diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-26 04:19:08 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-26 04:19:08 +0300 |
| commit | 9b73e76f3cf63379dcf45fcd4f112f5812418d0a (patch) | |
| tree | 4e6bef87cd0cd6d848fc39a5ae25b981dbbe035b /drivers/scsi | |
| parent | 50d9a126240f9961cfdd063336bbeb91f77a7dce (diff) | |
| parent | 23c3e290fb9ce38cabc2822b47583fc8702411bf (diff) | |
| download | linux-9b73e76f3cf63379dcf45fcd4f112f5812418d0a.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (200 commits)
[SCSI] usbstorage: use last_sector_bug flag universally
[SCSI] libsas: abstract STP task status into a function
[SCSI] ultrastor: clean up inline asm warnings
[SCSI] aic7xxx: fix firmware build
[SCSI] aacraid: fib context lock for management ioctls
[SCSI] ch: remove forward declarations
[SCSI] ch: fix device minor number management bug
[SCSI] ch: handle class_device_create failure properly
[SCSI] NCR5380: fix section mismatch
[SCSI] sg: fix /proc/scsi/sg/devices when no SCSI devices
[SCSI] IB/iSER: add logical unit reset support
[SCSI] don't use __GFP_DMA for sense buffers if not required
[SCSI] use dynamically allocated sense buffer
[SCSI] scsi.h: add macro for enclosure bit of inquiry data
[SCSI] sd: add fix for devices with last sector access problems
[SCSI] fix pcmcia compile problem
[SCSI] aacraid: add Voodoo Lite class of cards.
[SCSI] aacraid: add new driver features flags
[SCSI] qla2xxx: Update version number to 8.02.00-k7.
[SCSI] qla2xxx: Issue correct MBC_INITIALIZE_FIRMWARE command.
...
Diffstat (limited to 'drivers/scsi')
155 files changed, 9359 insertions, 8524 deletions
diff --git a/drivers/scsi/.gitignore b/drivers/scsi/.gitignore index b385af314356..c89ae9a04399 100644 --- a/drivers/scsi/.gitignore +++ b/drivers/scsi/.gitignore @@ -1,3 +1 @@ 53c700_d.h -53c7xx_d.h -53c7xx_u.h diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index afb262b4be15..1c244832c6c8 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -2010,6 +2010,7 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id } pci_set_master(pdev); + pci_try_set_mwi(pdev); if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) || pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 71ff3fbfce12..f4c4fe90240a 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -608,7 +608,8 @@ NCR_700_scsi_done(struct NCR_700_Host_Parameters *hostdata, scsi_print_sense("53c700", SCp); #endif - dma_unmap_single(hostdata->dev, slot->dma_handle, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); + dma_unmap_single(hostdata->dev, slot->dma_handle, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); /* restore the old result if the request sense was * successful */ if (result == 0) @@ -1010,7 +1011,7 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, cmnd[1] = (SCp->device->lun & 0x7) << 5; cmnd[2] = 0; cmnd[3] = 0; - cmnd[4] = sizeof(SCp->sense_buffer); + cmnd[4] = SCSI_SENSE_BUFFERSIZE; cmnd[5] = 0; /* Here's a quiet hack: the * REQUEST_SENSE command is six bytes, @@ -1024,14 +1025,14 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp, SCp->cmd_len = 6; /* command length for * REQUEST_SENSE */ slot->pCmd = dma_map_single(hostdata->dev, cmnd, MAX_COMMAND_SIZE, DMA_TO_DEVICE); - slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); - slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | sizeof(SCp->sense_buffer)); + slot->dma_handle = dma_map_single(hostdata->dev, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + slot->SG[0].ins = bS_to_host(SCRIPT_MOVE_DATA_IN | SCSI_SENSE_BUFFERSIZE); slot->SG[0].pAddr = bS_to_host(slot->dma_handle); slot->SG[1].ins = bS_to_host(SCRIPT_RETURN); slot->SG[1].pAddr = 0; slot->resume_offset = hostdata->pScript; dma_cache_sync(hostdata->dev, slot->SG, sizeof(slot->SG[0])*2, DMA_TO_DEVICE); - dma_cache_sync(hostdata->dev, SCp->sense_buffer, sizeof(SCp->sense_buffer), DMA_FROM_DEVICE); + dma_cache_sync(hostdata->dev, SCp->sense_buffer, SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); /* queue the command for reissue */ slot->state = NCR_700_SLOT_QUEUED; diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index 49e1ffa4b2ff..ead47c143ce0 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -2947,7 +2947,7 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou } } memcpy(CCB->CDB, CDB, CDB_Length); - CCB->SenseDataLength = sizeof(Command->sense_buffer); + CCB->SenseDataLength = SCSI_SENSE_BUFFERSIZE; CCB->SenseDataPointer = pci_map_single(HostAdapter->PCI_Device, Command->sense_buffer, CCB->SenseDataLength, PCI_DMA_FROMDEVICE); CCB->Command = Command; Command->scsi_done = CompletionRoutine; diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 184c7ae78519..3e161cd66463 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -341,7 +341,7 @@ config ISCSI_TCP The userspace component needed to initialize the driver, documentation, and sample configuration files can be found here: - http://linux-iscsi.sf.net + http://open-iscsi.org config SGIWD93_SCSI tristate "SGI WD93C93 SCSI Driver" @@ -573,10 +573,10 @@ config SCSI_ARCMSR_AER source "drivers/scsi/megaraid/Kconfig.megaraid" config SCSI_HPTIOP - tristate "HighPoint RocketRAID 3xxx Controller support" + tristate "HighPoint RocketRAID 3xxx/4xxx Controller support" depends on SCSI && PCI help - This option enables support for HighPoint RocketRAID 3xxx + This option enables support for HighPoint RocketRAID 3xxx/4xxx controllers. To compile this driver as a module, choose M here; the module @@ -1288,17 +1288,6 @@ config SCSI_PAS16 To compile this driver as a module, choose M here: the module will be called pas16. -config SCSI_PSI240I - tristate "PSI240i support" - depends on ISA && SCSI - help - This is support for the PSI240i EIDE interface card which acts as a - SCSI host adapter. Please read the SCSI-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here: the - module will be called psi240i. - config SCSI_QLOGIC_FAS tristate "Qlogic FAS SCSI support" depends on ISA && SCSI @@ -1359,21 +1348,6 @@ config SCSI_LPFC This lpfc driver supports the Emulex LightPulse Family of Fibre Channel PCI host adapters. -config SCSI_SEAGATE - tristate "Seagate ST-02 and Future Domain TMC-8xx SCSI support" - depends on X86 && ISA && SCSI - select CHECK_SIGNATURE - ---help--- - These are 8-bit SCSI controllers; the ST-01 is also supported by - this driver. It is explained in section 3.9 of the SCSI-HOWTO, - available from <http://www.tldp.org/docs.html#howto>. If it - doesn't work out of the box, you may have to change some macros at - compiletime, which are described in <file:drivers/scsi/seagate.c>. - - To compile this driver as a module, choose M here: the - module will be called seagate. - -# definitely looks not 64bit safe: config SCSI_SIM710 tristate "Simple 53c710 SCSI support (Compaq, NCR machines)" depends on (EISA || MCA) && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 2e6129f13d38..93e1428d03fc 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -16,9 +16,8 @@ CFLAGS_aha152x.o = -DAHA152X_STAT -DAUTOCONF CFLAGS_gdth.o = # -DDEBUG_GDTH=2 -D__SERIAL__ -D__COM2__ -DGDTH_STATISTICS -CFLAGS_seagate.o = -DARBITRATE -DPARITY -DSEAGATE_USE_ASM -subdir-$(CONFIG_PCMCIA) += pcmcia +obj-$(CONFIG_PCMCIA) += pcmcia/ obj-$(CONFIG_SCSI) += scsi_mod.o obj-$(CONFIG_SCSI_TGT) += scsi_tgt.o @@ -59,7 +58,6 @@ obj-$(CONFIG_MVME16x_SCSI) += 53c700.o mvme16x_scsi.o obj-$(CONFIG_BVME6000_SCSI) += 53c700.o bvme6000_scsi.o obj-$(CONFIG_SCSI_SIM710) += 53c700.o sim710.o obj-$(CONFIG_SCSI_ADVANSYS) += advansys.o -obj-$(CONFIG_SCSI_PSI240I) += psi240i.o obj-$(CONFIG_SCSI_BUSLOGIC) += BusLogic.o obj-$(CONFIG_SCSI_DPT_I2O) += dpt_i2o.o obj-$(CONFIG_SCSI_U14_34F) += u14-34f.o @@ -90,7 +88,6 @@ obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx/ obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx/ obj-$(CONFIG_SCSI_LPFC) += lpfc/ obj-$(CONFIG_SCSI_PAS16) += pas16.o -obj-$(CONFIG_SCSI_SEAGATE) += seagate.o obj-$(CONFIG_SCSI_T128) += t128.o obj-$(CONFIG_SCSI_DMX3191D) += dmx3191d.o obj-$(CONFIG_SCSI_DTC3280) += dtc.o diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 2597209183d0..eeddbd19eba5 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -295,16 +295,16 @@ static __inline__ void initialize_SCp(Scsi_Cmnd * cmd) * various queues are valid. */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *) cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } } @@ -932,7 +932,7 @@ static int __devinit NCR5380_init(struct Scsi_Host *instance, int flags) * @instance: adapter to remove */ -static void __devexit NCR5380_exit(struct Scsi_Host *instance) +static void NCR5380_exit(struct Scsi_Host *instance) { struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata; @@ -975,14 +975,14 @@ static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingw++; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingr++; break; } @@ -1157,16 +1157,17 @@ static void NCR5380_main(struct work_struct *work) * Locks: takes the needed instance locks */ -static irqreturn_t NCR5380_intr(int irq, void *dev_id) +static irqreturn_t NCR5380_intr(int dummy, void *dev_id) { NCR5380_local_declare(); - struct Scsi_Host *instance = (struct Scsi_Host *)dev_id; + struct Scsi_Host *instance = dev_id; struct NCR5380_hostdata *hostdata = (struct NCR5380_hostdata *) instance->hostdata; int done; unsigned char basr; unsigned long flags; - dprintk(NDEBUG_INTR, ("scsi : NCR5380 irq %d triggered\n", irq)); + dprintk(NDEBUG_INTR, ("scsi : NCR5380 irq %d triggered\n", + instance->irq)); do { done = 1; diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c index b7c5385e2efe..23f27c9c9895 100644 --- a/drivers/scsi/a2091.c +++ b/drivers/scsi/a2091.c @@ -73,18 +73,9 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) } if (!dir_in) { - /* copy to bounce buffer for a write */ - if (cmd->use_sg) -#if 0 - panic ("scsi%ddma: incomplete s/g support", - instance->host_no); -#else + /* copy to bounce buffer for a write */ memcpy (HDATA(instance)->dma_bounce_buffer, cmd->SCp.ptr, cmd->SCp.this_residual); -#endif - else - memcpy (HDATA(instance)->dma_bounce_buffer, - cmd->request_buffer, cmd->request_bufflen); } } @@ -144,30 +135,13 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, /* copy from a bounce buffer, if necessary */ if (status && HDATA(instance)->dma_bounce_buffer) { - if (SCpnt && SCpnt->use_sg) { -#if 0 - panic ("scsi%d: incomplete s/g support", - instance->host_no); -#else - if( HDATA(instance)->dma_dir ) + if( HDATA(instance)->dma_dir ) memcpy (SCpnt->SCp.ptr, HDATA(instance)->dma_bounce_buffer, SCpnt->SCp.this_residual); - kfree (HDATA(instance)->dma_bounce_buffer); - HDATA(instance)->dma_bounce_buffer = NULL; - HDATA(instance)->dma_bounce_len = 0; - -#endif - } else { - if (HDATA(instance)->dma_dir && SCpnt) - memcpy (SCpnt->request_buffer, - HDATA(instance)->dma_bounce_buffer, - SCpnt->request_bufflen); - - kfree (HDATA(instance)->dma_bounce_buffer); - HDATA(instance)->dma_bounce_buffer = NULL; - HDATA(instance)->dma_bounce_len = 0; - } + kfree (HDATA(instance)->dma_bounce_buffer); + HDATA(instance)->dma_bounce_buffer = NULL; + HDATA(instance)->dma_bounce_len = 0; } } diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c index 796f1c4d772e..d7255c8bf281 100644 --- a/drivers/scsi/a3000.c +++ b/drivers/scsi/a3000.c @@ -70,12 +70,8 @@ static int dma_setup(struct scsi_cmnd *cmd, int dir_in) if (!dir_in) { /* copy to bounce buffer for a write */ - if (cmd->use_sg) { - memcpy (HDATA(a3000_host)->dma_bounce_buffer, - cmd->SCp.ptr, cmd->SCp.this_residual); - } else - memcpy (HDATA(a3000_host)->dma_bounce_buffer, - cmd->request_buffer, cmd->request_bufflen); + memcpy (HDATA(a3000_host)->dma_bounce_buffer, + cmd->SCp.ptr, cmd->SCp.this_residual); } addr = virt_to_bus(HDATA(a3000_host)->dma_bounce_buffer); @@ -146,7 +142,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, /* copy from a bounce buffer, if necessary */ if (status && HDATA(instance)->dma_bounce_buffer) { - if (SCpnt && SCpnt->use_sg) { + if (SCpnt) { if (HDATA(instance)->dma_dir && SCpnt) memcpy (SCpnt->SCp.ptr, HDATA(instance)->dma_bounce_buffer, @@ -155,11 +151,6 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt, HDATA(instance)->dma_bounce_buffer = NULL; HDATA(instance)->dma_bounce_len = 0; } else { - if (HDATA(instance)->dma_dir && SCpnt) - memcpy (SCpnt->request_buffer, - HDATA(instance)->dma_bounce_buffer, - SCpnt->request_bufflen); - kfree (HDATA(instance)->dma_bounce_buffer); HDATA(instance)->dma_bounce_buffer = NULL; HDATA(instance)->dma_bounce_len = 0; diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index a77ab8d693d4..d7235f42cf5f 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -31,9 +31,9 @@ #include <linux/slab.h> #include <linux/completion.h> #include <linux/blkdev.h> -#include <linux/dma-mapping.h> #include <asm/semaphore.h> #include <asm/uaccess.h> +#include <linux/highmem.h> /* For flush_kernel_dcache_page */ #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -56,54 +56,54 @@ /* * Sense codes */ - -#define SENCODE_NO_SENSE 0x00 -#define SENCODE_END_OF_DATA 0x00 -#define SENCODE_BECOMING_READY 0x04 -#define SENCODE_INIT_CMD_REQUIRED 0x04 -#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A -#define SENCODE_INVALID_COMMAND 0x20 -#define SENCODE_LBA_OUT_OF_RANGE 0x21 -#define SENCODE_INVALID_CDB_FIELD 0x24 -#define SENCODE_LUN_NOT_SUPPORTED 0x25 -#define SENCODE_INVALID_PARAM_FIELD 0x26 -#define SENCODE_PARAM_NOT_SUPPORTED 0x26 -#define SENCODE_PARAM_VALUE_INVALID 0x26 -#define SENCODE_RESET_OCCURRED 0x29 -#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E -#define SENCODE_INQUIRY_DATA_CHANGED 0x3F -#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 -#define SENCODE_DIAGNOSTIC_FAILURE 0x40 -#define SENCODE_INTERNAL_TARGET_FAILURE 0x44 -#define SENCODE_INVALID_MESSAGE_ERROR 0x49 -#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c -#define SENCODE_OVERLAPPED_COMMAND 0x4E + +#define SENCODE_NO_SENSE 0x00 +#define SENCODE_END_OF_DATA 0x00 +#define SENCODE_BECOMING_READY 0x04 +#define SENCODE_INIT_CMD_REQUIRED 0x04 +#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A +#define SENCODE_INVALID_COMMAND 0x20 +#define SENCODE_LBA_OUT_OF_RANGE 0x21 +#define SENCODE_INVALID_CDB_FIELD 0x24 +#define SENCODE_LUN_NOT_SUPPORTED 0x25 +#define SENCODE_INVALID_PARAM_FIELD 0x26 +#define SENCODE_PARAM_NOT_SUPPORTED 0x26 +#define SENCODE_PARAM_VALUE_INVALID 0x26 +#define SENCODE_RESET_OCCURRED 0x29 +#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E +#define SENCODE_INQUIRY_DATA_CHANGED 0x3F +#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 +#define SENCODE_DIAGNOSTIC_FAILURE 0x40 +#define SENCODE_INTERNAL_TARGET_FAILURE 0x44 +#define SENCODE_INVALID_MESSAGE_ERROR 0x49 +#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c +#define SENCODE_OVERLAPPED_COMMAND 0x4E /* * Additional sense codes */ - -#define ASENCODE_NO_SENSE 0x00 -#define ASENCODE_END_OF_DATA 0x05 -#define ASENCODE_BECOMING_READY 0x01 -#define ASENCODE_INIT_CMD_REQUIRED 0x02 -#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 -#define ASENCODE_INVALID_COMMAND 0x00 -#define ASENCODE_LBA_OUT_OF_RANGE 0x00 -#define ASENCODE_INVALID_CDB_FIELD 0x00 -#define ASENCODE_LUN_NOT_SUPPORTED 0x00 -#define ASENCODE_INVALID_PARAM_FIELD 0x00 -#define ASENCODE_PARAM_NOT_SUPPORTED 0x01 -#define ASENCODE_PARAM_VALUE_INVALID 0x02 -#define ASENCODE_RESET_OCCURRED 0x00 -#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 -#define ASENCODE_INQUIRY_DATA_CHANGED 0x03 -#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 -#define ASENCODE_DIAGNOSTIC_FAILURE 0x80 -#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 -#define ASENCODE_INVALID_MESSAGE_ERROR 0x00 -#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 -#define ASENCODE_OVERLAPPED_COMMAND 0x00 + +#define ASENCODE_NO_SENSE 0x00 +#define ASENCODE_END_OF_DATA 0x05 +#define ASENCODE_BECOMING_READY 0x01 +#define ASENCODE_INIT_CMD_REQUIRED 0x02 +#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 +#define ASENCODE_INVALID_COMMAND 0x00 +#define ASENCODE_LBA_OUT_OF_RANGE 0x00 +#define ASENCODE_INVALID_CDB_FIELD 0x00 +#define ASENCODE_LUN_NOT_SUPPORTED 0x00 +#define ASENCODE_INVALID_PARAM_FIELD 0x00 +#define ASENCODE_PARAM_NOT_SUPPORTED 0x01 +#define ASENCODE_PARAM_VALUE_INVALID 0x02 +#define ASENCODE_RESET_OCCURRED 0x00 +#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 +#define ASENCODE_INQUIRY_DATA_CHANGED 0x03 +#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 +#define ASENCODE_DIAGNOSTIC_FAILURE 0x80 +#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 +#define ASENCODE_INVALID_MESSAGE_ERROR 0x00 +#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 +#define ASENCODE_OVERLAPPED_COMMAND 0x00 #define BYTE0(x) (unsigned char)(x) #define BYTE1(x) (unsigned char)((x) >> 8) @@ -115,8 +115,8 @@ *----------------------------------------------------------------------------*/ /* SCSI inquiry data */ struct inquiry_data { - u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ - u8 inqd_dtq; /* RMB | Device Type Qualifier */ + u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ + u8 inqd_dtq; /* RMB | Device Type Qualifier */ u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ u8 inqd_len; /* Additional length (n-4) */ @@ -130,7 +130,7 @@ struct inquiry_data { /* * M O D U L E G L O B A L S */ - + static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); @@ -141,9 +141,10 @@ static char *aac_get_status_string(u32 status); /* * Non dasd selection is handled entirely in aachba now - */ - + */ + static int nondasd = -1; +static int aac_cache = 0; static int dacmode = -1; int aac_commit = -1; @@ -152,6 +153,8 @@ int aif_timeout = 120; module_param(nondasd, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); +module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n\tbit 0 - Disable FUA in WRITE SCSI commands\n\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n\tbit 2 - Disable only if Battery not protecting Cache"); module_param(dacmode, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); @@ -179,7 +182,7 @@ MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health che int aac_check_reset = 1; module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter."); +MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter. a value of -1 forces the reset to adapters programmed to ignore it."); int expose_physicals = -1; module_param(expose_physicals, int, S_IRUGO|S_IWUSR); @@ -193,12 +196,12 @@ static inline int aac_valid_context(struct scsi_cmnd *scsicmd, struct fib *fibptr) { struct scsi_device *device; - if (unlikely(!scsicmd || !scsicmd->scsi_done )) { + if (unlikely(!scsicmd || !scsicmd->scsi_done)) { dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n")); - aac_fib_complete(fibptr); - aac_fib_free(fibptr); - return 0; - } + aac_fib_complete(fibptr); + aac_fib_free(fibptr); + return 0; + } scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; device = scsicmd->device; if (unlikely(!device || !scsi_device_online(device))) { @@ -240,7 +243,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) FsaNormal, 1, 1, NULL, NULL); - if (status < 0 ) { + if (status < 0) { printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); } else { struct aac_get_config_status_resp *reply @@ -264,10 +267,10 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) struct aac_commit_config * dinfo; aac_fib_init(fibptr); dinfo = (struct aac_commit_config *) fib_data(fibptr); - + dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); - + status = aac_fib_send(ContainerCommand, fibptr, sizeof (struct aac_commit_config), @@ -293,7 +296,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) int aac_get_containers(struct aac_dev *dev) { struct fsa_dev_info *fsa_dev_ptr; - u32 index; + u32 index; int status = 0; struct fib * fibptr; struct aac_get_container_count *dinfo; @@ -363,6 +366,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne if (buf && transfer_len > 0) memcpy(buf + offset, data, transfer_len); + flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset)); kunmap_atomic(buf - sg->offset, KM_IRQ0); } @@ -395,7 +399,7 @@ static void get_container_name_callback(void *context, struct fib * fibptr) do { *dp++ = (*sp) ? *sp++ : ' '; } while (--count > 0); - aac_internal_transfer(scsicmd, d, + aac_internal_transfer(scsicmd, d, offsetof(struct inquiry_data, inqd_pid), sizeof(d)); } } @@ -431,13 +435,13 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); status = aac_fib_send(ContainerCommand, - cmd_fibcontext, + cmd_fibcontext, sizeof (struct aac_get_name), - FsaNormal, - 0, 1, - (fib_callback) get_container_name_callback, + FsaNormal, + 0, 1, + (fib_callback)get_container_name_callback, (void *) scsicmd); - + /* * Check that the command queued to the controller */ @@ -445,7 +449,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; return 0; } - + printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(cmd_fibcontext); aac_fib_free(cmd_fibcontext); @@ -652,42 +656,47 @@ struct scsi_inq { * @a: string to copy from * @b: string to copy to * - * Copy a String from one location to another + * Copy a String from one location to another * without copying \0 */ static void inqstrcpy(char *a, char *b) { - while(*a != (char)0) + while (*a != (char)0) *b++ = *a++; } static char *container_types[] = { - "None", - "Volume", - "Mirror", - "Stripe", - "RAID5", - "SSRW", - "SSRO", - "Morph", - "Legacy", - "RAID4", - "RAID10", - "RAID00", - "V-MIRRORS", - "PSEUDO R4", + "None", + "Volume", + "Mirror", + "Stripe", + "RAID5", + "SSRW", + "SSRO", + "Morph", + "Legacy", + "RAID4", + "RAID10", + "RAID00", + "V-MIRRORS", + "PSEUDO R4", "RAID50", "RAID5D", "RAID5D0", "RAID1E", "RAID6", "RAID60", - "Unknown" + "Unknown" }; - +char * get_container_type(unsigned tindex) +{ + if (tindex >= ARRAY_SIZE(container_types)) + tindex = ARRAY_SIZE(container_types) - 1; + return container_types[tindex]; +} /* Function: setinqstr * @@ -707,16 +716,21 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex) if (dev->supplement_adapter_info.AdapterTypeText[0]) { char * cp = dev->supplement_adapter_info.AdapterTypeText; - int c = sizeof(str->vid); - while (*cp && *cp != ' ' && --c) - ++cp; - c = *cp; - *cp = '\0'; - inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, - str->vid); - *cp = c; - while (*cp && *cp != ' ') - ++cp; + int c; + if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C')) + inqstrcpy("SMC", str->vid); + else { + c = sizeof(str->vid); + while (*cp && *cp != ' ' && --c) + ++cp; + c = *cp; + *cp = '\0'; + inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, + str->vid); + *cp = c; + while (*cp && *cp != ' ') + ++cp; + } while (*cp == ' ') ++cp; /* last six chars reserved for vol type */ @@ -898,9 +912,8 @@ static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer)) - ? sizeof(cmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); cmd->scsi_done(cmd); return 1; } @@ -981,7 +994,7 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 aac_fib_init(fib); readcmd = (struct aac_read *) fib_data(fib); readcmd->command = cpu_to_le32(VM_CtBlockRead); - readcmd->cid = cpu_to_le16(scmd_id(cmd)); + readcmd->cid = cpu_to_le32(scmd_id(cmd)); readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); readcmd->count = cpu_to_le32(count * 512); @@ -1013,7 +1026,8 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); writecmd->count = cpu_to_le32(count<<9); writecmd->cid = cpu_to_le16(scmd_id(cmd)); - writecmd->flags = fua ? + writecmd->flags = (fua && ((aac_cache & 5) != 1) && + (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ? cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) : cpu_to_le16(IO_TYPE_WRITE); writecmd->bpTotal = 0; @@ -1072,7 +1086,7 @@ static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3 aac_fib_init(fib); writecmd = (struct aac_write *) fib_data(fib); writecmd->command = cpu_to_le32(VM_CtBlockWrite); - writecmd->cid = cpu_to_le16(scmd_id(cmd)); + writecmd->cid = cpu_to_le32(scmd_id(cmd)); writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); writecmd->count = cpu_to_le32(count * 512); writecmd->sg.count = cpu_to_le32(1); @@ -1190,6 +1204,15 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) (fib_callback) aac_srb_callback, (void *) cmd); } +static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) +{ + if ((sizeof(dma_addr_t) > 4) && + (num_physpages > (0xFFFFFFFFULL >> PAGE_SHIFT)) && + (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) + return FAILED; + return aac_scsi_32(fib, cmd); +} + int aac_get_adapter_info(struct aac_dev* dev) { struct fib* fibptr; @@ -1207,11 +1230,11 @@ int aac_get_adapter_info(struct aac_dev* dev) memset(info,0,sizeof(*info)); rcode = aac_fib_send(RequestAdapterInfo, - fibptr, + fibptr, sizeof(*info), - FsaNormal, + FsaNormal, -1, 1, /* First `interrupt' command uses special wait */ - NULL, + NULL, NULL); if (rcode < 0) { @@ -1222,29 +1245,29 @@ int aac_get_adapter_info(struct aac_dev* dev) memcpy(&dev->adapter_info, info, sizeof(*info)); if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { - struct aac_supplement_adapter_info * info; + struct aac_supplement_adapter_info * sinfo; aac_fib_init(fibptr); - info = (struct aac_supplement_adapter_info *) fib_data(fibptr); + sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr); - memset(info,0,sizeof(*info)); + memset(sinfo,0,sizeof(*sinfo)); rcode = aac_fib_send(RequestSupplementAdapterInfo, fibptr, - sizeof(*info), + sizeof(*sinfo), FsaNormal, 1, 1, NULL, NULL); if (rcode >= 0) - memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); + memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo)); } - /* - * GetBusInfo + /* + * GetBusInfo */ aac_fib_init(fibptr); @@ -1267,6 +1290,8 @@ int aac_get_adapter_info(struct aac_dev* dev) 1, 1, NULL, NULL); + /* reasoned default */ + dev->maximum_num_physicals = 16; if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); @@ -1276,7 +1301,7 @@ int aac_get_adapter_info(struct aac_dev* dev) char buffer[16]; tmp = le32_to_cpu(dev->adapter_info.kernelrev); printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", - dev->name, + dev->name, dev->id, tmp>>24, (tmp>>16)&0xff, @@ -1305,19 +1330,21 @@ int aac_get_adapter_info(struct aac_dev* dev) (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid), dev->supplement_adapter_info.VpdInfo.Tsid); } - if (!aac_check_reset || + if (!aac_check_reset || ((aac_check_reset != 1) && (dev->supplement_adapter_info.SupportedOptions2 & - le32_to_cpu(AAC_OPTION_IGNORE_RESET))) { + AAC_OPTION_IGNORE_RESET))) { printk(KERN_INFO "%s%d: Reset Adapter Ignored\n", dev->name, dev->id); } } + dev->cache_protected = 0; + dev->jbod = ((dev->supplement_adapter_info.FeatureBits & + AAC_FEATURE_JBOD) != 0); dev->nondasd_support = 0; dev->raid_scsi_mode = 0; - if(dev->adapter_info.options & AAC_OPT_NONDASD){ + if(dev->adapter_info.options & AAC_OPT_NONDASD) dev->nondasd_support = 1; - } /* * If the firmware supports ROMB RAID/SCSI mode and we are currently @@ -1338,11 +1365,10 @@ int aac_get_adapter_info(struct aac_dev* dev) if (dev->raid_scsi_mode != 0) printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", dev->name, dev->id); - - if(nondasd != -1) { + + if (nondasd != -1) dev->nondasd_support = (nondasd!=0); - } - if(dev->nondasd_support != 0){ + if(dev->nondasd_support != 0) { printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); } @@ -1371,12 +1397,14 @@ int aac_get_adapter_info(struct aac_dev* dev) rcode = -ENOMEM; } } - /* + /* * Deal with configuring for the individualized limits of each packet * interface. */ dev->a_ops.adapter_scsi = (dev->dac_support) - ? aac_scsi_64 + ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32) + ? aac_scsi_32_64 + : aac_scsi_64) : aac_scsi_32; if (dev->raw_io_interface) { dev->a_ops.adapter_bounds = (dev->raw_io_64) @@ -1393,8 +1421,8 @@ int aac_get_adapter_info(struct aac_dev* dev) if (dev->dac_support) { dev->a_ops.adapter_read = aac_read_block64; dev->a_ops.adapter_write = aac_write_block64; - /* - * 38 scatter gather elements + /* + * 38 scatter gather elements */ dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - @@ -1498,9 +1526,8 @@ static void io_callback(void *context, struct fib * fibptr) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } aac_fib_complete(fibptr); aac_fib_free(fibptr); @@ -1524,7 +1551,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) case READ_6: dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd))); - lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | + lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; count = scsicmd->cmnd[4]; @@ -1534,32 +1561,32 @@ static int aac_read(struct scsi_cmnd * scsicmd) case READ_16: dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 56) | - ((u64)scsicmd->cmnd[3] << 48) | + lba = ((u64)scsicmd->cmnd[2] << 56) | + ((u64)scsicmd->cmnd[3] << 48) | ((u64)scsicmd->cmnd[4] << 40) | ((u64)scsicmd->cmnd[5] << 32) | - ((u64)scsicmd->cmnd[6] << 24) | + ((u64)scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; - count = (scsicmd->cmnd[10] << 24) | + count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; break; case READ_12: dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 24) | + lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | - (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; - count = (scsicmd->cmnd[6] << 24) | + (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; + count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | - (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; + (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; break; default: dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 24) | - (scsicmd->cmnd[3] << 16) | + lba = ((u64)scsicmd->cmnd[2] << 24) | + (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; break; @@ -1584,7 +1611,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; return 0; } - + printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); /* * For some reason, the Fib didn't queue, return QUEUE_FULL @@ -1619,11 +1646,11 @@ static int aac_write(struct scsi_cmnd * scsicmd) } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */ dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 56) | + lba = ((u64)scsicmd->cmnd[2] << 56) | ((u64)scsicmd->cmnd[3] << 48) | ((u64)scsicmd->cmnd[4] << 40) | ((u64)scsicmd->cmnd[5] << 32) | - ((u64)scsicmd->cmnd[6] << 24) | + ((u64)scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | @@ -1712,8 +1739,8 @@ static void synchronize_callback(void *context, struct fib *fibptr) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - min(sizeof(dev->fsa_dev[cid].sense_data), - sizeof(cmd->sense_buffer))); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } aac_fib_complete(fibptr); @@ -1798,7 +1825,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) if (active) return SCSI_MLQUEUE_DEVICE_BUSY; - aac = (struct aac_dev *)scsicmd->device->host->hostdata; + aac = (struct aac_dev *)sdev->host->hostdata; if (aac->in_reset) return SCSI_MLQUEUE_HOST_BUSY; @@ -1850,14 +1877,14 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) * Emulate a SCSI command and queue the required request for the * aacraid firmware. */ - + int aac_scsi_cmd(struct scsi_cmnd * scsicmd) { u32 cid; struct Scsi_Host *host = scsicmd->device->host; struct aac_dev *dev = (struct aac_dev *)host->hostdata; struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; - + if (fsa_dev_ptr == NULL) return -1; /* @@ -1898,7 +1925,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) } } } else { /* check for physical non-dasd devices */ - if ((dev->nondasd_support == 1) || expose_physicals) { + if (dev->nondasd_support || expose_physicals || + dev->jbod) { if (dev->in_reset) return -1; return aac_send_srb_fib(scsicmd); @@ -1913,7 +1941,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) * else Command for the controller itself */ else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ - (scsicmd->cmnd[0] != TEST_UNIT_READY)) + (scsicmd->cmnd[0] != TEST_UNIT_READY)) { dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; @@ -1922,9 +1950,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) SENCODE_INVALID_COMMAND, ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); scsicmd->scsi_done(scsicmd); return 0; } @@ -1939,7 +1966,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); memset(&inq_data, 0, sizeof (struct inquiry_data)); - if (scsicmd->cmnd[1] & 0x1 ) { + if (scsicmd->cmnd[1] & 0x1) { char *arr = (char *)&inq_data; /* EVPD bit set */ @@ -1974,10 +2001,9 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) ASENCODE_NO_SENSE, 0, 7, 2, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > - sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, + sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } scsicmd->scsi_done(scsicmd); return 0; @@ -2092,7 +2118,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected bit 4: 0/1 = FUA enabled */ - if (dev->raw_io_interface) + if (dev->raw_io_interface && ((aac_cache & 5) != 1)) mode_buf[2] = 0x10; mode_buf[3] = 0; /* Block descriptor length */ if (((scsicmd->cmnd[2] & 0x3f) == 8) || @@ -2100,7 +2126,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[0] = 6; mode_buf[4] = 8; mode_buf[5] = 1; - mode_buf[6] = 0x04; /* WCE */ + mode_buf[6] = ((aac_cache & 6) == 2) + ? 0 : 0x04; /* WCE */ mode_buf_length = 7; if (mode_buf_length > scsicmd->cmnd[4]) mode_buf_length = scsicmd->cmnd[4]; @@ -2123,7 +2150,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected bit 4: 0/1 = FUA enabled */ - if (dev->raw_io_interface) + if (dev->raw_io_interface && ((aac_cache & 5) != 1)) mode_buf[3] = 0x10; mode_buf[4] = 0; /* reserved */ mode_buf[5] = 0; /* reserved */ @@ -2134,7 +2161,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[1] = 9; mode_buf[8] = 8; mode_buf[9] = 1; - mode_buf[10] = 0x04; /* WCE */ + mode_buf[10] = ((aac_cache & 6) == 2) + ? 0 : 0x04; /* WCE */ mode_buf_length = 11; if (mode_buf_length > scsicmd->cmnd[8]) mode_buf_length = scsicmd->cmnd[8]; @@ -2179,7 +2207,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return 0; } - switch (scsicmd->cmnd[0]) + switch (scsicmd->cmnd[0]) { case READ_6: case READ_10: @@ -2192,11 +2220,11 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) * corresponds to a container. Needed to convert * containers to /dev/sd device names */ - + if (scsicmd->request->rq_disk) strlcpy(fsa_dev_ptr[cid].devname, scsicmd->request->rq_disk->disk_name, - min(sizeof(fsa_dev_ptr[cid].devname), + min(sizeof(fsa_dev_ptr[cid].devname), sizeof(scsicmd->request->rq_disk->disk_name) + 1)); return aac_read(scsicmd); @@ -2210,9 +2238,16 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return aac_write(scsicmd); case SYNCHRONIZE_CACHE: + if (((aac_cache & 6) == 6) && dev->cache_protected) { + scsicmd->result = DID_OK << 16 | + COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + scsicmd->scsi_done(scsicmd); + return 0; + } /* Issue FIB to tell Firmware to flush it's cache */ - return aac_synchronize(scsicmd); - + if ((aac_cache & 6) != 2) + return aac_synchronize(scsicmd); + /* FALLTHRU */ default: /* * Unhandled commands @@ -2223,9 +2258,9 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, + sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); scsicmd->scsi_done(scsicmd); return 0; } @@ -2243,7 +2278,7 @@ static int query_disk(struct aac_dev *dev, void __user *arg) return -EFAULT; if (qd.cnum == -1) qd.cnum = qd.id; - else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) + else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) { if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) return -EINVAL; @@ -2370,7 +2405,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ /* - * Calculate resid for sg + * Calculate resid for sg */ scsi_set_resid(scsicmd, scsi_bufflen(scsicmd) @@ -2385,10 +2420,8 @@ static void aac_srb_callback(void *context, struct fib * fibptr) if (le32_to_cpu(srbreply->status) != ST_OK){ int len; printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); - len = (le32_to_cpu(srbreply->sense_data_size) > - sizeof(scsicmd->sense_buffer)) ? - sizeof(scsicmd->sense_buffer) : - le32_to_cpu(srbreply->sense_data_size); + len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), + SCSI_SENSE_BUFFERSIZE); scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); } @@ -2412,7 +2445,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) case WRITE_12: case READ_16: case WRITE_16: - if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { + if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) { printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); } else { printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); @@ -2481,26 +2514,23 @@ static void aac_srb_callback(void *context, struct fib * fibptr) printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", le32_to_cpu(srbreply->srb_status) & 0x3F, aac_get_status_string( - le32_to_cpu(srbreply->srb_status) & 0x3F), - scsicmd->cmnd[0], + le32_to_cpu(srbreply->srb_status) & 0x3F), + scsicmd->cmnd[0], le32_to_cpu(srbreply->scsi_status)); #endif scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; break; } - if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition + if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) { int len; scsicmd->result |= SAM_STAT_CHECK_CONDITION; - len = (le32_to_cpu(srbreply->sense_data_size) > - sizeof(scsicmd->sense_buffer)) ? - sizeof(scsicmd->sense_buffer) : - le32_to_cpu(srbreply->sense_data_size); + len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), + SCSI_SENSE_BUFFERSIZE); #ifdef AAC_DETAILED_STATUS_INFO printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", le32_to_cpu(srbreply->status), len); #endif memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); - } /* * OR in the scsi status (already shifted up a bit) @@ -2517,7 +2547,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) * aac_send_scb_fib * @scsicmd: the scsi command block * - * This routine will form a FIB and fill in the aac_srb from the + * This routine will form a FIB and fill in the aac_srb from the * scsicmd passed in. */ @@ -2731,7 +2761,7 @@ static struct aac_srb_status_info srb_status_info[] = { { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, { SRB_STATUS_NOT_STARTED, "Not Started"}, { SRB_STATUS_NOT_IN_USE, "Not In Use"}, - { SRB_STATUS_FORCE_ABORT, "Force Abort"}, + { SRB_STATUS_FORCE_ABORT, "Force Abort"}, { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, { 0xff, "Unknown Error"} }; diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 9abba8b90f70..3195d29f2177 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -1,4 +1,4 @@ -#if (!defined(dprintk)) +#ifndef dprintk # define dprintk(x) #endif /* eg: if (nblank(dprintk(x))) */ @@ -12,7 +12,7 @@ *----------------------------------------------------------------------------*/ #ifndef AAC_DRIVER_BUILD -# define AAC_DRIVER_BUILD 2449 +# define AAC_DRIVER_BUILD 2455 # define AAC_DRIVER_BRANCH "-ms" #endif #define MAXIMUM_NUM_CONTAINERS 32 @@ -50,9 +50,9 @@ struct diskparm /* * Firmware constants */ - + #define CT_NONE 0 -#define CT_OK 218 +#define CT_OK 218 #define FT_FILESYS 8 /* ADAPTEC's "FSA"(tm) filesystem */ #define FT_DRIVE 9 /* physical disk - addressable in scsi by bus/id/lun */ @@ -107,12 +107,12 @@ struct user_sgentryraw { struct sgmap { __le32 count; - struct sgentry sg[1]; + struct sgentry sg[1]; }; struct user_sgmap { u32 count; - struct user_sgentry sg[1]; + struct user_sgentry sg[1]; }; struct sgmap64 { @@ -137,18 +137,18 @@ struct user_sgmapraw { struct creation_info { - u8 buildnum; /* e.g., 588 */ - u8 usec; /* e.g., 588 */ - u8 via; /* e.g., 1 = FSU, - * 2 = API + u8 buildnum; /* e.g., 588 */ + u8 usec; /* e.g., 588 */ + u8 via; /* e.g., 1 = FSU, + * 2 = API */ - u8 year; /* e.g., 1997 = 97 */ + u8 year; /* e.g., 1997 = 97 */ __le32 date; /* - * unsigned Month :4; // 1 - 12 - * unsigned Day :6; // 1 - 32 - * unsigned Hour :6; // 0 - 23 - * unsigned Minute :6; // 0 - 60 - * unsigned Second :6; // 0 - 60 + * unsigned Month :4; // 1 - 12 + * unsigned Day :6; // 1 - 32 + * unsigned Hour :6; // 0 - 23 + * unsigned Minute :6; // 0 - 60 + * unsigned Second :6; // 0 - 60 */ __le32 serial[2]; /* e.g., 0x1DEADB0BFAFAF001 */ }; @@ -184,7 +184,7 @@ struct creation_info /* * Set the queues on a 16 byte alignment */ - + #define QUEUE_ALIGNMENT 16 /* @@ -203,9 +203,9 @@ struct aac_entry { * The adapter assumes the ProducerIndex and ConsumerIndex are grouped * adjacently and in that order. */ - + struct aac_qhdr { - __le64 header_addr;/* Address to hand the adapter to access + __le64 header_addr;/* Address to hand the adapter to access to this queue head */ __le32 *producer; /* The producer index for this queue (host address) */ __le32 *consumer; /* The consumer index for this queue (host address) */ @@ -215,7 +215,7 @@ struct aac_qhdr { * Define all the events which the adapter would like to notify * the host of. */ - + #define HostNormCmdQue 1 /* Change in host normal priority command queue */ #define HostHighCmdQue 2 /* Change in host high priority command queue */ #define HostNormRespQue 3 /* Change in host normal priority response queue */ @@ -286,17 +286,17 @@ struct aac_fibhdr { u8 StructType; /* Type FIB */ u8 Flags; /* Flags for FIB */ __le16 Size; /* Size of this FIB in bytes */ - __le16 SenderSize; /* Size of the FIB in the sender + __le16 SenderSize; /* Size of the FIB in the sender (for response sizing) */ __le32 SenderFibAddress; /* Host defined data in the FIB */ - __le32 ReceiverFibAddress;/* Logical address of this FIB for + __le32 ReceiverFibAddress;/* Logical address of this FIB for the adapter */ u32 SenderData; /* Place holder for the sender to store data */ union { struct { - __le32 _ReceiverTimeStart; /* Timestamp for + __le32 _ReceiverTimeStart; /* Timestamp for receipt of fib */ - __le32 _ReceiverTimeDone; /* Timestamp for + __le32 _ReceiverTimeDone; /* Timestamp for completion of fib */ } _s; } _u; @@ -311,7 +311,7 @@ struct hw_fib { * FIB commands */ -#define TestCommandResponse 1 +#define TestCommandResponse 1 #define TestAdapterCommand 2 /* * Lowlevel and comm commands @@ -350,10 +350,6 @@ struct hw_fib { #define ContainerCommand64 501 #define ContainerRawIo 502 /* - * Cluster Commands - */ -#define ClusterCommand 550 -/* * Scsi Port commands (scsi passthrough) */ #define ScsiPortCommand 600 @@ -375,19 +371,19 @@ struct hw_fib { */ enum fib_xfer_state { - HostOwned = (1<<0), - AdapterOwned = (1<<1), - FibInitialized = (1<<2), - FibEmpty = (1<<3), - AllocatedFromPool = (1<<4), - SentFromHost = (1<<5), - SentFromAdapter = (1<<6), - ResponseExpected = (1<<7), - NoResponseExpected = (1<<8), - AdapterProcessed = (1<<9), - HostProcessed = (1<<10), - HighPriority = (1<<11), - NormalPriority = (1<<12), + HostOwned = (1<<0), + AdapterOwned = (1<<1), + FibInitialized = (1<<2), + FibEmpty = (1<<3), + AllocatedFromPool = (1<<4), + SentFromHost = (1<<5), + SentFromAdapter = (1<<6), + ResponseExpected = (1<<7), + NoResponseExpected = (1<<8), + AdapterProcessed = (1<<9), + HostProcessed = (1<<10), + HighPriority = (1<<11), + NormalPriority = (1<<12), Async = (1<<13), AsyncIo = (1<<13), // rpbfix: remove with new regime PageFileIo = (1<<14), // rpbfix: remove with new regime @@ -420,7 +416,7 @@ struct aac_init __le32 AdapterFibAlign; __le32 printfbuf; __le32 printfbufsiz; - __le32 HostPhysMemPages; /* number of 4k pages of host + __le32 HostPhysMemPages; /* number of 4k pages of host physical memory */ __le32 HostElapsedSeconds; /* number of seconds since 1970. */ /* @@ -481,7 +477,7 @@ struct adapter_ops struct aac_driver_ident { - int (*init)(struct aac_dev *dev); + int (*init)(struct aac_dev *dev); char * name; char * vname; char * model; @@ -489,7 +485,7 @@ struct aac_driver_ident int quirks; }; /* - * Some adapter firmware needs communication memory + * Some adapter firmware needs communication memory * below 2gig. This tells the init function to set the * dma mask such that fib memory will be allocated where the * adapter firmware can get to it. @@ -521,33 +517,39 @@ struct aac_driver_ident #define AAC_QUIRK_17SG 0x0010 /* + * Some adapter firmware does not support 64 bit scsi passthrough + * commands. + */ +#define AAC_QUIRK_SCSI_32 0x0020 + +/* * The adapter interface specs all queues to be located in the same * physically contigous block. The host structure that defines the * commuication queues will assume they are each a separate physically * contigous memory region that will support them all being one big - * contigous block. + * contigous block. * There is a command and response queue for each level and direction of * commuication. These regions are accessed by both the host and adapter. */ - + struct aac_queue { - u64 logical; /*address we give the adapter */ + u64 logical; /*address we give the adapter */ struct aac_entry *base; /*system virtual address */ - struct aac_qhdr headers; /*producer,consumer q headers*/ - u32 entries; /*Number of queue entries */ + struct aac_qhdr headers; /*producer,consumer q headers*/ + u32 entries; /*Number of queue entries */ wait_queue_head_t qfull; /*Event to wait on if q full */ wait_queue_head_t cmdready; /*Cmd ready from the adapter */ - /* This is only valid for adapter to host command queues. */ - spinlock_t *lock; /* Spinlock for this queue must take this lock before accessing the lock */ + /* This is only valid for adapter to host command queues. */ + spinlock_t *lock; /* Spinlock for this queue must take this lock before accessing the lock */ spinlock_t lockdata; /* Actual lock (used only on one side of the lock) */ - struct list_head cmdq; /* A queue of FIBs which need to be prcessed by the FS thread. This is */ - /* only valid for command queues which receive entries from the adapter. */ + struct list_head cmdq; /* A queue of FIBs which need to be prcessed by the FS thread. This is */ + /* only valid for command queues which receive entries from the adapter. */ u32 numpending; /* Number of entries on outstanding queue. */ struct aac_dev * dev; /* Back pointer to adapter structure */ }; /* - * Message queues. The order here is important, see also the + * Message queues. The order here is important, see also the * queue type ordering */ @@ -559,12 +561,12 @@ struct aac_queue_block /* * SaP1 Message Unit Registers */ - + struct sa_drawbridge_CSR { - /* Offset | Name */ + /* Offset | Name */ __le32 reserved[10]; /* 00h-27h | Reserved */ u8 LUT_Offset; /* 28h | Lookup Table Offset */ - u8 reserved1[3]; /* 29h-2bh | Reserved */ + u8 reserved1[3]; /* 29h-2bh | Reserved */ __le32 LUT_Data; /* 2ch | Looup Table Data */ __le32 reserved2[26]; /* 30h-97h | Reserved */ __le16 PRICLEARIRQ; /* 98h | Primary Clear Irq */ @@ -583,8 +585,8 @@ struct sa_drawbridge_CSR { __le32 MAILBOX5; /* bch | Scratchpad 5 */ __le32 MAILBOX6; /* c0h | Scratchpad 6 */ __le32 MAILBOX7; /* c4h | Scratchpad 7 */ - __le32 ROM_Setup_Data; /* c8h | Rom Setup and Data */ - __le32 ROM_Control_Addr;/* cch | Rom Control and Address */ + __le32 ROM_Setup_Data; /* c8h | Rom Setup and Data */ + __le32 ROM_Control_Addr;/* cch | Rom Control and Address */ __le32 reserved3[12]; /* d0h-ffh | reserved */ __le32 LUT[64]; /* 100h-1ffh | Lookup Table Entries */ }; @@ -597,7 +599,7 @@ struct sa_drawbridge_CSR { #define Mailbox5 SaDbCSR.MAILBOX5 #define Mailbox6 SaDbCSR.MAILBOX6 #define Mailbox7 SaDbCSR.MAILBOX7 - + #define DoorbellReg_p SaDbCSR.PRISETIRQ #define DoorbellReg_s SaDbCSR.SECSETIRQ #define DoorbellClrReg_p SaDbCSR.PRICLEARIRQ @@ -611,19 +613,19 @@ struct sa_drawbridge_CSR { #define DOORBELL_5 0x0020 #define DOORBELL_6 0x0040 - + #define PrintfReady DOORBELL_5 #define PrintfDone DOORBELL_5 - + struct sa_registers { struct sa_drawbridge_CSR SaDbCSR; /* 98h - c4h */ }; - + #define Sa_MINIPORT_REVISION 1 #define sa_readw(AEP, CSR) readl(&((AEP)->regs.sa->CSR)) -#define sa_readl(AEP, CSR) readl(&((AEP)->regs.sa->CSR)) +#define sa_readl(AEP, CSR) readl(&((AEP)->regs.sa->CSR)) #define sa_writew(AEP, CSR, value) writew(value, &((AEP)->regs.sa->CSR)) #define sa_writel(AEP, CSR, value) writel(value, &((AEP)->regs.sa->CSR)) @@ -640,21 +642,21 @@ struct rx_mu_registers { __le32 IMRx[2]; /* 1310h | 10h | Inbound Message Registers */ __le32 OMRx[2]; /* 1318h | 18h | Outbound Message Registers */ __le32 IDR; /* 1320h | 20h | Inbound Doorbell Register */ - __le32 IISR; /* 1324h | 24h | Inbound Interrupt + __le32 IISR; /* 1324h | 24h | Inbound Interrupt Status Register */ - __le32 IIMR; /* 1328h | 28h | Inbound Interrupt - Mask Register */ + __le32 IIMR; /* 1328h | 28h | Inbound Interrupt + Mask Register */ __le32 ODR; /* 132Ch | 2Ch | Outbound Doorbell Register */ - __le32 OISR; /* 1330h | 30h | Outbound Interrupt + __le32 OISR; /* 1330h | 30h | Outbound Interrupt Status Register */ - __le32 OIMR; /* 1334h | 34h | Outbound Interrupt + __le32 OIMR; /* 1334h | 34h | Outbound Interrupt Mask Register */ __le32 reserved2; /* 1338h | 38h | Reserved */ __le32 reserved3; /* 133Ch | 3Ch | Reserved */ __le32 InboundQueue;/* 1340h | 40h | Inbound Queue Port relative to firmware */ __le32 OutboundQueue;/*1344h | 44h | Outbound Queue Port relative to firmware */ - /* * Must access through ATU Inbound - Translation Window */ + /* * Must access through ATU Inbound + Translation Window */ }; struct rx_inbound { @@ -710,12 +712,12 @@ struct rkt_registers { typedef void (*fib_callback)(void *ctxt, struct fib *fibctx); struct aac_fib_context { - s16 type; // used for verification of structure - s16 size; + s16 type; // used for verification of structure + s16 size; u32 unique; // unique value representing this context ulong jiffies; // used for cleanup - dmb changed to ulong struct list_head next; // used to link context's into a linked list - struct semaphore wait_sem; // this is used to wait for the next fib to arrive. + struct semaphore wait_sem; // this is used to wait for the next fib to arrive. int wait; // Set to true when thread is in WaitForSingleObject unsigned long count; // total number of FIBs on FibList struct list_head fib_list; // this holds fibs and their attachd hw_fibs @@ -734,9 +736,9 @@ struct sense_data { u8 EOM:1; /* End Of Medium - reserved for random access devices */ u8 filemark:1; /* Filemark - reserved for random access devices */ - u8 information[4]; /* for direct-access devices, contains the unsigned - * logical block address or residue associated with - * the sense key + u8 information[4]; /* for direct-access devices, contains the unsigned + * logical block address or residue associated with + * the sense key */ u8 add_sense_len; /* number of additional sense bytes to follow this field */ u8 cmnd_info[4]; /* not used */ @@ -746,7 +748,7 @@ struct sense_data { u8 bit_ptr:3; /* indicates which byte of the CDB or parameter data * was in error */ - u8 BPV:1; /* bit pointer valid (BPV): 1- indicates that + u8 BPV:1; /* bit pointer valid (BPV): 1- indicates that * the bit_ptr field has valid value */ u8 reserved2:2; @@ -780,24 +782,24 @@ struct fib { /* * The Adapter that this I/O is destined for. */ - struct aac_dev *dev; + struct aac_dev *dev; /* * This is the event the sendfib routine will wait on if the * caller did not pass one and this is synch io. */ - struct semaphore event_wait; + struct semaphore event_wait; spinlock_t event_lock; u32 done; /* gets set to 1 when fib is complete */ - fib_callback callback; - void *callback_data; + fib_callback callback; + void *callback_data; u32 flags; // u32 dmb was ulong /* * And for the internal issue/reply queues (we may be able * to merge these two) */ struct list_head fiblink; - void *data; + void *data; struct hw_fib *hw_fib_va; /* Actual shared object */ dma_addr_t hw_fib_pa; /* physical address of hw_fib*/ }; @@ -807,7 +809,7 @@ struct fib { * * This is returned by the RequestAdapterInfo block */ - + struct aac_adapter_info { __le32 platform; @@ -826,7 +828,7 @@ struct aac_adapter_info __le32 biosrev; __le32 biosbuild; __le32 cluster; - __le32 clusterchannelmask; + __le32 clusterchannelmask; __le32 serial[2]; __le32 battery; __le32 options; @@ -863,9 +865,10 @@ struct aac_supplement_adapter_info __le32 SupportedOptions2; __le32 ReservedGrowth[1]; }; -#define AAC_FEATURE_FALCON 0x00000010 -#define AAC_OPTION_MU_RESET 0x00000001 -#define AAC_OPTION_IGNORE_RESET 0x00000002 +#define AAC_FEATURE_FALCON cpu_to_le32(0x00000010) +#define AAC_FEATURE_JBOD cpu_to_le32(0x08000000) +#define AAC_OPTION_MU_RESET cpu_to_le32(0x00000001) +#define AAC_OPTION_IGNORE_RESET cpu_to_le32(0x00000002) #define AAC_SIS_VERSION_V3 3 #define AAC_SIS_SLOT_UNKNOWN 0xFF @@ -916,13 +919,13 @@ struct aac_bus_info_response { #define AAC_OPT_HOST_TIME_FIB cpu_to_le32(1<<4) #define AAC_OPT_RAID50 cpu_to_le32(1<<5) #define AAC_OPT_4GB_WINDOW cpu_to_le32(1<<6) -#define AAC_OPT_SCSI_UPGRADEABLE cpu_to_le32(1<<7) +#define AAC_OPT_SCSI_UPGRADEABLE cpu_to_le32(1<<7) #define AAC_OPT_SOFT_ERR_REPORT cpu_to_le32(1<<8) -#define AAC_OPT_SUPPORTED_RECONDITION cpu_to_le32(1<<9) +#define AAC_OPT_SUPPORTED_RECONDITION cpu_to_le32(1<<9) #define AAC_OPT_SGMAP_HOST64 cpu_to_le32(1<<10) #define AAC_OPT_ALARM cpu_to_le32(1<<11) #define AAC_OPT_NONDASD cpu_to_le32(1<<12) -#define AAC_OPT_SCSI_MANAGED cpu_to_le32(1<<13) +#define AAC_OPT_SCSI_MANAGED cpu_to_le32(1<<13) #define AAC_OPT_RAID_SCSI_MODE cpu_to_le32(1<<14) #define AAC_OPT_SUPPLEMENT_ADAPTER_INFO cpu_to_le32(1<<16) #define AAC_OPT_NEW_COMM cpu_to_le32(1<<17) @@ -942,7 +945,7 @@ struct aac_dev /* * Map for 128 fib objects (64k) - */ + */ dma_addr_t hw_fib_pa; struct hw_fib *hw_fib_va; struct hw_fib *aif_base_va; @@ -953,24 +956,24 @@ struct aac_dev struct fib *free_fib; spinlock_t fib_lock; - + struct aac_queue_block *queues; /* * The user API will use an IOCTL to register itself to receive * FIBs from the adapter. The following list is used to keep * track of all the threads that have requested these FIBs. The - * mutex is used to synchronize access to all data associated + * mutex is used to synchronize access to all data associated * with the adapter fibs. */ struct list_head fib_list; struct adapter_ops a_ops; unsigned long fsrev; /* Main driver's revision number */ - + unsigned base_size; /* Size of mapped in region */ struct aac_init *init; /* Holds initialization info to communicate with adapter */ - dma_addr_t init_pa; /* Holds physical address of the init struct */ - + dma_addr_t init_pa; /* Holds physical address of the init struct */ + struct pci_dev *pdev; /* Our PCI interface */ void * printfbuf; /* pointer to buffer used for printf's from the adapter */ void * comm_addr; /* Base address of Comm area */ @@ -984,11 +987,11 @@ struct aac_dev struct fsa_dev_info *fsa_dev; struct task_struct *thread; int cardtype; - + /* * The following is the device specific extension. */ -#if (!defined(AAC_MIN_FOOTPRINT_SIZE)) +#ifndef AAC_MIN_FOOTPRINT_SIZE # define AAC_MIN_FOOTPRINT_SIZE 8192 #endif union @@ -1009,7 +1012,9 @@ struct aac_dev /* These are in adapter info but they are in the io flow so * lets break them out so we don't have to do an AND to check them */ - u8 nondasd_support; + u8 nondasd_support; + u8 jbod; + u8 cache_protected; u8 dac_support; u8 raid_scsi_mode; u8 comm_interface; @@ -1066,18 +1071,19 @@ struct aac_dev (dev)->a_ops.adapter_comm(dev, comm) #define FIB_CONTEXT_FLAG_TIMED_OUT (0x00000001) +#define FIB_CONTEXT_FLAG (0x00000002) /* * Define the command values */ - + #define Null 0 -#define GetAttributes 1 -#define SetAttributes 2 -#define Lookup 3 -#define ReadLink 4 -#define Read 5 -#define Write 6 +#define GetAttributes 1 +#define SetAttributes 2 +#define Lookup 3 +#define ReadLink 4 +#define Read 5 +#define Write 6 #define Create 7 #define MakeDirectory 8 #define SymbolicLink 9 @@ -1173,19 +1179,19 @@ struct aac_dev struct aac_read { - __le32 command; - __le32 cid; - __le32 block; - __le32 count; + __le32 command; + __le32 cid; + __le32 block; + __le32 count; struct sgmap sg; // Must be last in struct because it is variable }; struct aac_read64 { - __le32 command; - __le16 cid; - __le16 sector_count; - __le32 block; + __le32 command; + __le16 cid; + __le16 sector_count; + __le32 block; __le16 pad; __le16 flags; struct sgmap64 sg; // Must be last in struct because it is variable @@ -1193,26 +1199,26 @@ struct aac_read64 struct aac_read_reply { - __le32 status; - __le32 count; + __le32 status; + __le32 count; }; struct aac_write { __le32 command; - __le32 cid; - __le32 block; - __le32 count; - __le32 stable; // Not used + __le32 cid; + __le32 block; + __le32 count; + __le32 stable; // Not used struct sgmap sg; // Must be last in struct because it is variable }; struct aac_write64 { - __le32 command; - __le16 cid; - __le16 sector_count; - __le32 block; + __le32 command; + __le16 cid; + __le16 sector_count; + __le32 block; __le16 pad; __le16 flags; #define IO_TYPE_WRITE 0x00000000 @@ -1223,7 +1229,7 @@ struct aac_write64 struct aac_write_reply { __le32 status; - __le32 count; + __le32 count; __le32 committed; }; @@ -1326,10 +1332,10 @@ struct aac_srb_reply #define SRB_NoDataXfer 0x0000 #define SRB_DisableDisconnect 0x0004 #define SRB_DisableSynchTransfer 0x0008 -#define SRB_BypassFrozenQueue 0x0010 +#define SRB_BypassFrozenQueue 0x0010 #define SRB_DisableAutosense 0x0020 #define SRB_DataIn 0x0040 -#define SRB_DataOut 0x0080 +#define SRB_DataOut 0x0080 /* * SRB Functions - set in aac_srb->function @@ -1352,7 +1358,7 @@ struct aac_srb_reply #define SRBF_RemoveDevice 0x0016 #define SRBF_DomainValidation 0x0017 -/* +/* * SRB SCSI Status - set in aac_srb->scsi_status */ #define SRB_STATUS_PENDING 0x00 @@ -1511,17 +1517,17 @@ struct aac_get_container_count_resp { */ struct aac_mntent { - __le32 oid; + __le32 oid; u8 name[16]; /* if applicable */ struct creation_info create_info; /* if applicable */ __le32 capacity; - __le32 vol; /* substrate structure */ - __le32 obj; /* FT_FILESYS, etc. */ - __le32 state; /* unready for mounting, + __le32 vol; /* substrate structure */ + __le32 obj; /* FT_FILESYS, etc. */ + __le32 state; /* unready for mounting, readonly, etc. */ - union aac_contentinfo fileinfo; /* Info specific to content + union aac_contentinfo fileinfo; /* Info specific to content manager (eg, filesystem) */ - __le32 altoid; /* != oid <==> snapshot or + __le32 altoid; /* != oid <==> snapshot or broken mirror exists */ __le32 capacityhigh; }; @@ -1538,7 +1544,7 @@ struct aac_query_mount { struct aac_mount { __le32 status; - __le32 type; /* should be same as that requested */ + __le32 type; /* should be same as that requested */ __le32 count; struct aac_mntent mnt[1]; }; @@ -1608,7 +1614,7 @@ struct aac_delete_disk { u32 disknum; u32 cnum; }; - + struct fib_ioctl { u32 fibctx; @@ -1622,10 +1628,10 @@ struct revision __le32 version; __le32 build; }; - + /* - * Ugly - non Linux like ioctl coding for back compat. + * Ugly - non Linux like ioctl coding for back compat. */ #define CTL_CODE(function, method) ( \ @@ -1633,7 +1639,7 @@ struct revision ) /* - * Define the method codes for how buffers are passed for I/O and FS + * Define the method codes for how buffers are passed for I/O and FS * controls */ @@ -1644,15 +1650,15 @@ struct revision * Filesystem ioctls */ -#define FSACTL_SENDFIB CTL_CODE(2050, METHOD_BUFFERED) -#define FSACTL_SEND_RAW_SRB CTL_CODE(2067, METHOD_BUFFERED) +#define FSACTL_SENDFIB CTL_CODE(2050, METHOD_BUFFERED) +#define FSACTL_SEND_RAW_SRB CTL_CODE(2067, METHOD_BUFFERED) #define FSACTL_DELETE_DISK 0x163 #define FSACTL_QUERY_DISK 0x173 #define FSACTL_OPEN_GET_ADAPTER_FIB CTL_CODE(2100, METHOD_BUFFERED) #define FSACTL_GET_NEXT_ADAPTER_FIB CTL_CODE(2101, METHOD_BUFFERED) #define FSACTL_CLOSE_GET_ADAPTER_FIB CTL_CODE(2102, METHOD_BUFFERED) #define FSACTL_MINIPORT_REV_CHECK CTL_CODE(2107, METHOD_BUFFERED) -#define FSACTL_GET_PCI_INFO CTL_CODE(2119, METHOD_BUFFERED) +#define FSACTL_GET_PCI_INFO CTL_CODE(2119, METHOD_BUFFERED) #define FSACTL_FORCE_DELETE_DISK CTL_CODE(2120, METHOD_NEITHER) #define FSACTL_GET_CONTAINERS 2131 #define FSACTL_SEND_LARGE_FIB CTL_CODE(2138, METHOD_BUFFERED) @@ -1661,7 +1667,7 @@ struct revision struct aac_common { /* - * If this value is set to 1 then interrupt moderation will occur + * If this value is set to 1 then interrupt moderation will occur * in the base commuication support. */ u32 irq_mod; @@ -1690,11 +1696,11 @@ extern struct aac_common aac_config; * The following macro is used when sending and receiving FIBs. It is * only used for debugging. */ - + #ifdef DBG #define FIB_COUNTER_INCREMENT(counter) (counter)++ #else -#define FIB_COUNTER_INCREMENT(counter) +#define FIB_COUNTER_INCREMENT(counter) #endif /* @@ -1726,17 +1732,17 @@ extern struct aac_common aac_config; * * The adapter reports is present state through the phase. Only * a single phase should be ever be set. Each phase can have multiple - * phase status bits to provide more detailed information about the - * state of the board. Care should be taken to ensure that any phase + * phase status bits to provide more detailed information about the + * state of the board. Care should be taken to ensure that any phase * status bits that are set when changing the phase are also valid * for the new phase or be cleared out. Adapter software (monitor, - * iflash, kernel) is responsible for properly maintining the phase + * iflash, kernel) is responsible for properly maintining the phase * status mailbox when it is running. - * - * MONKER_API Phases * - * Phases are bit oriented. It is NOT valid to have multiple bits set - */ + * MONKER_API Phases + * + * Phases are bit oriented. It is NOT valid to have multiple bits set + */ #define SELF_TEST_FAILED 0x00000004 #define MONITOR_PANIC 0x00000020 @@ -1759,16 +1765,22 @@ extern struct aac_common aac_config; * For FIB communication, we need all of the following things * to send back to the user. */ - -#define AifCmdEventNotify 1 /* Notify of event */ + +#define AifCmdEventNotify 1 /* Notify of event */ #define AifEnConfigChange 3 /* Adapter configuration change */ #define AifEnContainerChange 4 /* Container configuration change */ #define AifEnDeviceFailure 5 /* SCSI device failed */ +#define AifEnEnclosureManagement 13 /* EM_DRIVE_* */ +#define EM_DRIVE_INSERTION 31 +#define EM_DRIVE_REMOVAL 32 +#define AifEnBatteryEvent 14 /* Change in Battery State */ #define AifEnAddContainer 15 /* A new array was created */ #define AifEnDeleteContainer 16 /* A container was deleted */ #define AifEnExpEvent 23 /* Firmware Event Log */ #define AifExeFirmwarePanic 3 /* Firmware Event Panic */ #define AifHighPriority 3 /* Highest Priority Event */ +#define AifEnAddJBOD 30 /* JBOD created */ +#define AifEnDeleteJBOD 31 /* JBOD deleted */ #define AifCmdJobProgress 2 /* Progress report */ #define AifJobCtrZero 101 /* Array Zero progress */ @@ -1780,11 +1792,11 @@ extern struct aac_common aac_config; #define AifDenVolumeExtendComplete 201 /* A volume extend completed */ #define AifReqJobList 100 /* Gets back complete job list */ #define AifReqJobsForCtr 101 /* Gets back jobs for specific container */ -#define AifReqJobsForScsi 102 /* Gets back jobs for specific SCSI device */ -#define AifReqJobReport 103 /* Gets back a specific job report or list of them */ +#define AifReqJobsForScsi 102 /* Gets back jobs for specific SCSI device */ +#define AifReqJobReport 103 /* Gets back a specific job report or list of them */ #define AifReqTerminateJob 104 /* Terminates job */ #define AifReqSuspendJob 105 /* Suspends a job */ -#define AifReqResumeJob 106 /* Resumes a job */ +#define AifReqResumeJob 106 /* Resumes a job */ #define AifReqSendAPIReport 107 /* API generic report requests */ #define AifReqAPIJobStart 108 /* Start a job from the API */ #define AifReqAPIJobUpdate 109 /* Update a job report from the API */ @@ -1803,8 +1815,8 @@ struct aac_aifcmd { }; /** - * Convert capacity to cylinders - * accounting for the fact capacity could be a 64 bit value + * Convert capacity to cylinders + * accounting for the fact capacity could be a 64 bit value * */ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor) @@ -1861,6 +1873,7 @@ int aac_probe_container(struct aac_dev *dev, int cid); int _aac_rx_init(struct aac_dev *dev); int aac_rx_select_comm(struct aac_dev *dev, int comm); int aac_rx_deliver_producer(struct fib * fib); +char * get_container_type(unsigned type); extern int numacb; extern int acbsize; extern char aac_driver_version[]; diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c index 1e6d7a9c75bf..851a7e599c50 100644 --- a/drivers/scsi/aacraid/commctrl.c +++ b/drivers/scsi/aacraid/commctrl.c @@ -48,13 +48,13 @@ * ioctl_send_fib - send a FIB from userspace * @dev: adapter is being processed * @arg: arguments to the ioctl call - * + * * This routine sends a fib to the adapter on behalf of a user level * program. */ # define AAC_DEBUG_PREAMBLE KERN_INFO # define AAC_DEBUG_POSTAMBLE - + static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) { struct hw_fib * kfib; @@ -71,7 +71,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) if(fibptr == NULL) { return -ENOMEM; } - + kfib = fibptr->hw_fib_va; /* * First copy in the header so that we can check the size field. @@ -109,7 +109,7 @@ static int ioctl_send_fib(struct aac_dev * dev, void __user *arg) if (kfib->header.Command == cpu_to_le16(TakeABreakPt)) { aac_adapter_interrupt(dev); /* - * Since we didn't really send a fib, zero out the state to allow + * Since we didn't really send a fib, zero out the state to allow * cleanup code not to assert. */ kfib->header.XferState = 0; @@ -169,7 +169,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) fibctx->type = FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT; fibctx->size = sizeof(struct aac_fib_context); - /* + /* * Yes yes, I know this could be an index, but we have a * better guarantee of uniqueness for the locked loop below. * Without the aid of a persistent history, this also helps @@ -189,7 +189,7 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) INIT_LIST_HEAD(&fibctx->fib_list); fibctx->jiffies = jiffies/HZ; /* - * Now add this context onto the adapter's + * Now add this context onto the adapter's * AdapterFibContext list. */ spin_lock_irqsave(&dev->fib_lock, flags); @@ -207,12 +207,12 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) } list_add_tail(&fibctx->next, &dev->fib_list); spin_unlock_irqrestore(&dev->fib_lock, flags); - if (copy_to_user(arg, &fibctx->unique, + if (copy_to_user(arg, &fibctx->unique, sizeof(fibctx->unique))) { status = -EFAULT; } else { status = 0; - } + } } return status; } @@ -221,8 +221,8 @@ static int open_getadapter_fib(struct aac_dev * dev, void __user *arg) * next_getadapter_fib - get the next fib * @dev: adapter to use * @arg: ioctl argument - * - * This routine will get the next Fib, if available, from the AdapterFibContext + * + * This routine will get the next Fib, if available, from the AdapterFibContext * passed in from the user. */ @@ -234,7 +234,7 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) int status; struct list_head * entry; unsigned long flags; - + if(copy_from_user((void *)&f, arg, sizeof(struct fib_ioctl))) return -EFAULT; /* @@ -243,6 +243,7 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) * Search the list of AdapterFibContext addresses on the adapter * to be sure this is a valid address */ + spin_lock_irqsave(&dev->fib_lock, flags); entry = dev->fib_list.next; fibctx = NULL; @@ -251,37 +252,37 @@ static int next_getadapter_fib(struct aac_dev * dev, void __user *arg) /* * Extract the AdapterFibContext from the Input parameters. */ - if (fibctx->unique == f.fibctx) { /* We found a winner */ + if (fibctx->unique == f.fibctx) { /* We found a winner */ break; } entry = entry->next; fibctx = NULL; } if (!fibctx) { + spin_unlock_irqrestore(&dev->fib_lock, flags); dprintk ((KERN_INFO "Fib Context not found\n")); return -EINVAL; } if((fibctx->type != FSAFS_NTC_GET_ADAPTER_FIB_CONTEXT) || (fibctx->size != sizeof(struct aac_fib_context))) { + spin_unlock_irqrestore(&dev->fib_lock, flags); dprintk ((KERN_INFO "Fib Context corrupt?\n")); return -EINVAL; } status = 0; - spin_lock_irqsave(&dev->fib_lock, flags); /* * If there are no fibs to send back, then either wait or return * -EAGAIN */ return_fib: if (!list_empty(&fibctx->fib_list)) { - struct list_head * entry; /* * Pull the next fib from the fibs */ entry = fibctx->fib_list.next; list_del(entry); - + fib = list_entry(entry, struct fib, fiblink); fibctx->count--; spin_unlock_irqrestore(&dev->fib_lock, flags); @@ -289,7 +290,7 @@ return_fib: kfree(fib->hw_fib_va); kfree(fib); return -EFAULT; - } + } /* * Free the space occupied by this copy of the fib. */ @@ -318,7 +319,7 @@ return_fib: } } else { status = -EAGAIN; - } + } } fibctx->jiffies = jiffies/HZ; return status; @@ -327,7 +328,9 @@ return_fib: int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) { struct fib *fib; + unsigned long flags; + spin_lock_irqsave(&dev->fib_lock, flags); /* * First free any FIBs that have not been consumed. */ @@ -350,6 +353,7 @@ int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) * Remove the Context from the AdapterFibContext List */ list_del(&fibctx->next); + spin_unlock_irqrestore(&dev->fib_lock, flags); /* * Invalidate context */ @@ -368,7 +372,7 @@ int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context * fibctx) * * This routine will close down the fibctx passed in from the user. */ - + static int close_getadapter_fib(struct aac_dev * dev, void __user *arg) { struct aac_fib_context *fibctx; @@ -415,8 +419,8 @@ static int close_getadapter_fib(struct aac_dev * dev, void __user *arg) * @arg: ioctl arguments * * This routine returns the driver version. - * Under Linux, there have been no version incompatibilities, so this is - * simple! + * Under Linux, there have been no version incompatibilities, so this is + * simple! */ static int check_revision(struct aac_dev *dev, void __user *arg) @@ -426,12 +430,12 @@ static int check_revision(struct aac_dev *dev, void __user *arg) u32 version; response.compat = 1; - version = (simple_strtol(driver_version, + version = (simple_strtol(driver_version, &driver_version, 10) << 24) | 0x00000400; version += simple_strtol(driver_version + 1, &driver_version, 10) << 16; version += simple_strtol(driver_version + 1, NULL, 10); response.version = cpu_to_le32(version); -# if (defined(AAC_DRIVER_BUILD)) +# ifdef AAC_DRIVER_BUILD response.build = cpu_to_le32(AAC_DRIVER_BUILD); # else response.build = cpu_to_le32(9999); @@ -464,7 +468,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) u32 data_dir; void __user *sg_user[32]; void *sg_list[32]; - u32 sg_indx = 0; + u32 sg_indx = 0; u32 byte_count = 0; u32 actual_fibsize64, actual_fibsize = 0; int i; @@ -475,7 +479,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) return -EBUSY; } if (!capable(CAP_SYS_ADMIN)){ - dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n")); + dprintk((KERN_DEBUG"aacraid: No permission to send raw srb\n")); return -EPERM; } /* @@ -490,7 +494,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) memset(sg_list, 0, sizeof(sg_list)); /* cleanup may take issue */ if(copy_from_user(&fibsize, &user_srb->count,sizeof(u32))){ - dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n")); + dprintk((KERN_DEBUG"aacraid: Could not copy data size from user\n")); rcode = -EFAULT; goto cleanup; } @@ -507,7 +511,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) goto cleanup; } if(copy_from_user(user_srbcmd, user_srb,fibsize)){ - dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); + dprintk((KERN_DEBUG"aacraid: Could not copy srb from user\n")); rcode = -EFAULT; goto cleanup; } @@ -518,15 +522,15 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) // Fix up srb for endian and force some values srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); // Force this - srbcmd->channel = cpu_to_le32(user_srbcmd->channel); + srbcmd->channel = cpu_to_le32(user_srbcmd->channel); srbcmd->id = cpu_to_le32(user_srbcmd->id); - srbcmd->lun = cpu_to_le32(user_srbcmd->lun); - srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout); - srbcmd->flags = cpu_to_le32(flags); + srbcmd->lun = cpu_to_le32(user_srbcmd->lun); + srbcmd->timeout = cpu_to_le32(user_srbcmd->timeout); + srbcmd->flags = cpu_to_le32(flags); srbcmd->retry_limit = 0; // Obsolete parameter srbcmd->cdb_size = cpu_to_le32(user_srbcmd->cdb_size); memcpy(srbcmd->cdb, user_srbcmd->cdb, sizeof(srbcmd->cdb)); - + switch (flags & (SRB_DataIn | SRB_DataOut)) { case SRB_DataOut: data_dir = DMA_TO_DEVICE; @@ -582,7 +586,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* Does this really need to be GFP_DMA? */ p = kmalloc(upsg->sg[i].count,GFP_KERNEL|__GFP_DMA); - if(p == 0) { + if(!p) { dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", upsg->sg[i].count,i,upsg->count)); rcode = -ENOMEM; @@ -594,7 +598,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) sg_list[i] = p; // save so we can clean up later sg_indx = i; - if( flags & SRB_DataOut ){ + if (flags & SRB_DataOut) { if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){ dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); rcode = -EFAULT; @@ -626,7 +630,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* Does this really need to be GFP_DMA? */ p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA); - if(p == 0) { + if(!p) { kfree (usg); dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", usg->sg[i].count,i,usg->count)); @@ -637,7 +641,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) sg_list[i] = p; // save so we can clean up later sg_indx = i; - if( flags & SRB_DataOut ){ + if (flags & SRB_DataOut) { if(copy_from_user(p,sg_user[i],upsg->sg[i].count)){ kfree (usg); dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); @@ -668,7 +672,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) void* p; /* Does this really need to be GFP_DMA? */ p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA); - if(p == 0) { + if(!p) { dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", usg->sg[i].count,i,usg->count)); rcode = -ENOMEM; @@ -680,7 +684,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) sg_list[i] = p; // save so we can clean up later sg_indx = i; - if( flags & SRB_DataOut ){ + if (flags & SRB_DataOut) { if(copy_from_user(p,sg_user[i],usg->sg[i].count)){ dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); rcode = -EFAULT; @@ -698,7 +702,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) dma_addr_t addr; void* p; p = kmalloc(upsg->sg[i].count, GFP_KERNEL); - if(p == 0) { + if (!p) { dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n", upsg->sg[i].count, i, upsg->count)); rcode = -ENOMEM; @@ -708,7 +712,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) sg_list[i] = p; // save so we can clean up later sg_indx = i; - if( flags & SRB_DataOut ){ + if (flags & SRB_DataOut) { if(copy_from_user(p, sg_user[i], upsg->sg[i].count)) { dprintk((KERN_DEBUG"aacraid: Could not copy sg data from user\n")); @@ -734,19 +738,19 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) } if (status != 0){ - dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n")); + dprintk((KERN_DEBUG"aacraid: Could not send raw srb fib to hba\n")); rcode = -ENXIO; goto cleanup; } - if( flags & SRB_DataIn ) { + if (flags & SRB_DataIn) { for(i = 0 ; i <= sg_indx; i++){ byte_count = le32_to_cpu( (dev->adapter_info.options & AAC_OPT_SGMAP_HOST64) ? ((struct sgmap64*)&srbcmd->sg)->sg[i].count : srbcmd->sg.sg[i].count); if(copy_to_user(sg_user[i], sg_list[i], byte_count)){ - dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n")); + dprintk((KERN_DEBUG"aacraid: Could not copy sg data to user\n")); rcode = -EFAULT; goto cleanup; @@ -756,7 +760,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg) reply = (struct aac_srb_reply *) fib_data(srbfib); if(copy_to_user(user_reply,reply,sizeof(struct aac_srb_reply))){ - dprintk((KERN_DEBUG"aacraid: Could not copy reply to user\n")); + dprintk((KERN_DEBUG"aacraid: Could not copy reply to user\n")); rcode = -EFAULT; goto cleanup; } @@ -775,34 +779,34 @@ cleanup: } struct aac_pci_info { - u32 bus; - u32 slot; + u32 bus; + u32 slot; }; static int aac_get_pci_info(struct aac_dev* dev, void __user *arg) { - struct aac_pci_info pci_info; + struct aac_pci_info pci_info; pci_info.bus = dev->pdev->bus->number; pci_info.slot = PCI_SLOT(dev->pdev->devfn); - if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) { - dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n")); - return -EFAULT; + if (copy_to_user(arg, &pci_info, sizeof(struct aac_pci_info))) { + dprintk((KERN_DEBUG "aacraid: Could not copy pci info\n")); + return -EFAULT; } - return 0; + return 0; } - + int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) { int status; - + /* * HBA gets first crack */ - + status = aac_dev_ioctl(dev, cmd, arg); if(status != -ENOTTY) return status; @@ -832,7 +836,7 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg) break; default: status = -ENOTTY; - break; + break; } return status; } diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 8736813a0296..89cc8b7b42a2 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -301,10 +301,10 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES, 0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) && (status[0] == 0x00000001)) { - if (status[1] & AAC_OPT_NEW_COMM_64) + if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64)) dev->raw_io_64 = 1; if (dev->a_ops.adapter_comm && - (status[1] & AAC_OPT_NEW_COMM)) + (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM))) dev->comm_interface = AAC_COMM_MESSAGE; if ((dev->comm_interface == AAC_COMM_MESSAGE) && (status[2] > dev->base_size)) { diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index abce48ccc85b..81b36923e0ef 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -56,7 +56,7 @@ * Allocate and map the shared PCI space for the FIB blocks used to * talk to the Adaptec firmware. */ - + static int fib_map_alloc(struct aac_dev *dev) { dprintk((KERN_INFO @@ -109,14 +109,16 @@ int aac_fib_setup(struct aac_dev * dev) } if (i<0) return -ENOMEM; - + hw_fib = dev->hw_fib_va; hw_fib_pa = dev->hw_fib_pa; memset(hw_fib, 0, dev->max_fib_size * (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB)); /* * Initialise the fibs */ - for (i = 0, fibptr = &dev->fibs[i]; i < (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++, fibptr++) + for (i = 0, fibptr = &dev->fibs[i]; + i < (dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); + i++, fibptr++) { fibptr->dev = dev; fibptr->hw_fib_va = hw_fib; @@ -148,13 +150,13 @@ int aac_fib_setup(struct aac_dev * dev) * Allocate a fib from the adapter fib pool. If the pool is empty we * return NULL. */ - + struct fib *aac_fib_alloc(struct aac_dev *dev) { struct fib * fibptr; unsigned long flags; spin_lock_irqsave(&dev->fib_lock, flags); - fibptr = dev->free_fib; + fibptr = dev->free_fib; if(!fibptr){ spin_unlock_irqrestore(&dev->fib_lock, flags); return fibptr; @@ -171,6 +173,7 @@ struct fib *aac_fib_alloc(struct aac_dev *dev) * each I/O */ fibptr->hw_fib_va->header.XferState = 0; + fibptr->flags = 0; fibptr->callback = NULL; fibptr->callback_data = NULL; @@ -183,7 +186,7 @@ struct fib *aac_fib_alloc(struct aac_dev *dev) * * Frees up a fib and places it on the appropriate queue */ - + void aac_fib_free(struct fib *fibptr) { unsigned long flags; @@ -204,10 +207,10 @@ void aac_fib_free(struct fib *fibptr) /** * aac_fib_init - initialise a fib * @fibptr: The fib to initialize - * + * * Set up the generic fib fields ready for use */ - + void aac_fib_init(struct fib *fibptr) { struct hw_fib *hw_fib = fibptr->hw_fib_va; @@ -227,12 +230,12 @@ void aac_fib_init(struct fib *fibptr) * Will deallocate and return to the free pool the FIB pointed to by the * caller. */ - + static void fib_dealloc(struct fib * fibptr) { struct hw_fib *hw_fib = fibptr->hw_fib_va; BUG_ON(hw_fib->header.StructType != FIB_MAGIC); - hw_fib->header.XferState = 0; + hw_fib->header.XferState = 0; } /* @@ -241,7 +244,7 @@ static void fib_dealloc(struct fib * fibptr) * these routines and are the only routines which have a knowledge of the * how these queues are implemented. */ - + /** * aac_get_entry - get a queue entry * @dev: Adapter @@ -254,7 +257,7 @@ static void fib_dealloc(struct fib * fibptr) * is full(no free entries) than no entry is returned and the function returns 0 otherwise 1 is * returned. */ - + static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entry, u32 * index, unsigned long *nonotify) { struct aac_queue * q; @@ -279,26 +282,27 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr idx = ADAP_NORM_RESP_ENTRIES; } if (idx != le32_to_cpu(*(q->headers.consumer))) - *nonotify = 1; + *nonotify = 1; } if (qid == AdapNormCmdQueue) { - if (*index >= ADAP_NORM_CMD_ENTRIES) + if (*index >= ADAP_NORM_CMD_ENTRIES) *index = 0; /* Wrap to front of the Producer Queue. */ } else { - if (*index >= ADAP_NORM_RESP_ENTRIES) + if (*index >= ADAP_NORM_RESP_ENTRIES) *index = 0; /* Wrap to front of the Producer Queue. */ } - if ((*index + 1) == le32_to_cpu(*(q->headers.consumer))) { /* Queue is full */ + /* Queue is full */ + if ((*index + 1) == le32_to_cpu(*(q->headers.consumer))) { printk(KERN_WARNING "Queue %d full, %u outstanding.\n", qid, q->numpending); return 0; } else { - *entry = q->base + *index; + *entry = q->base + *index; return 1; } -} +} /** * aac_queue_get - get the next free QE @@ -320,31 +324,29 @@ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw { struct aac_entry * entry = NULL; int map = 0; - + if (qid == AdapNormCmdQueue) { /* if no entries wait for some if caller wants to */ - while (!aac_get_entry(dev, qid, &entry, index, nonotify)) - { + while (!aac_get_entry(dev, qid, &entry, index, nonotify)) { printk(KERN_ERR "GetEntries failed\n"); } - /* - * Setup queue entry with a command, status and fib mapped - */ - entry->size = cpu_to_le32(le16_to_cpu(hw_fib->header.Size)); - map = 1; + /* + * Setup queue entry with a command, status and fib mapped + */ + entry->size = cpu_to_le32(le16_to_cpu(hw_fib->header.Size)); + map = 1; } else { - while(!aac_get_entry(dev, qid, &entry, index, nonotify)) - { + while (!aac_get_entry(dev, qid, &entry, index, nonotify)) { /* if no entries wait for some if caller wants to */ } - /* - * Setup queue entry with command, status and fib mapped - */ - entry->size = cpu_to_le32(le16_to_cpu(hw_fib->header.Size)); - entry->addr = hw_fib->header.SenderFibAddress; - /* Restore adapters pointer to the FIB */ + /* + * Setup queue entry with command, status and fib mapped + */ + entry->size = cpu_to_le32(le16_to_cpu(hw_fib->header.Size)); + entry->addr = hw_fib->header.SenderFibAddress; + /* Restore adapters pointer to the FIB */ hw_fib->header.ReceiverFibAddress = hw_fib->header.SenderFibAddress; /* Let the adapter now where to find its data */ - map = 0; + map = 0; } /* * If MapFib is true than we need to map the Fib and put pointers @@ -356,8 +358,8 @@ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw } /* - * Define the highest level of host to adapter communication routines. - * These routines will support host to adapter FS commuication. These + * Define the highest level of host to adapter communication routines. + * These routines will support host to adapter FS commuication. These * routines have no knowledge of the commuication method used. This level * sends and receives FIBs. This level has no knowledge of how these FIBs * get passed back and forth. @@ -379,7 +381,7 @@ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw * an event to wait on must be supplied. This event will be set when a * response FIB is received from the adapter. */ - + int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, int priority, int wait, int reply, fib_callback callback, void *callback_data) @@ -392,16 +394,17 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, if (!(hw_fib->header.XferState & cpu_to_le32(HostOwned))) return -EBUSY; /* - * There are 5 cases with the wait and reponse requested flags. + * There are 5 cases with the wait and reponse requested flags. * The only invalid cases are if the caller requests to wait and * does not request a response and if the caller does not want a * response and the Fib is not allocated from pool. If a response * is not requesed the Fib will just be deallocaed by the DPC * routine when the response comes back from the adapter. No - * further processing will be done besides deleting the Fib. We + * further processing will be done besides deleting the Fib. We * will have a debug mode where the adapter can notify the host * it had a problem and the host can log that fact. */ + fibptr->flags = 0; if (wait && !reply) { return -EINVAL; } else if (!wait && reply) { @@ -413,7 +416,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } else if (wait && reply) { hw_fib->header.XferState |= cpu_to_le32(ResponseExpected); FIB_COUNTER_INCREMENT(aac_config.NormalSent); - } + } /* * Map the fib into 32bits by using the fib number */ @@ -436,7 +439,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, hw_fib->header.Size = cpu_to_le16(sizeof(struct aac_fibhdr) + size); if (le16_to_cpu(hw_fib->header.Size) > le16_to_cpu(hw_fib->header.SenderSize)) { return -EMSGSIZE; - } + } /* * Get a queue entry connect the FIB to it and send an notify * the adapter a command is ready. @@ -450,10 +453,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, if (!wait) { fibptr->callback = callback; fibptr->callback_data = callback_data; + fibptr->flags = FIB_CONTEXT_FLAG; } fibptr->done = 0; - fibptr->flags = 0; FIB_COUNTER_INCREMENT(aac_config.FibsSent); @@ -473,9 +476,9 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, aac_adapter_deliver(fibptr); /* - * If the caller wanted us to wait for response wait now. + * If the caller wanted us to wait for response wait now. */ - + if (wait) { spin_unlock_irqrestore(&fibptr->event_lock, flags); /* Only set for first known interruptable command */ @@ -522,7 +525,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, } spin_unlock_irqrestore(&fibptr->event_lock, flags); BUG_ON(fibptr->done == 0); - + if(unlikely(fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) return -ETIMEDOUT; return 0; @@ -537,15 +540,15 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, return 0; } -/** +/** * aac_consumer_get - get the top of the queue * @dev: Adapter * @q: Queue * @entry: Return entry * * Will return a pointer to the entry on the top of the queue requested that - * we are a consumer of, and return the address of the queue entry. It does - * not change the state of the queue. + * we are a consumer of, and return the address of the queue entry. It does + * not change the state of the queue. */ int aac_consumer_get(struct aac_dev * dev, struct aac_queue * q, struct aac_entry **entry) @@ -560,10 +563,10 @@ int aac_consumer_get(struct aac_dev * dev, struct aac_queue * q, struct aac_entr * the end of the queue, else we just use the entry * pointed to by the header index */ - if (le32_to_cpu(*q->headers.consumer) >= q->entries) - index = 0; + if (le32_to_cpu(*q->headers.consumer) >= q->entries) + index = 0; else - index = le32_to_cpu(*q->headers.consumer); + index = le32_to_cpu(*q->headers.consumer); *entry = q->base + index; status = 1; } @@ -587,12 +590,12 @@ void aac_consumer_free(struct aac_dev * dev, struct aac_queue *q, u32 qid) if ((le32_to_cpu(*q->headers.producer)+1) == le32_to_cpu(*q->headers.consumer)) wasfull = 1; - + if (le32_to_cpu(*q->headers.consumer) >= q->entries) *q->headers.consumer = cpu_to_le32(1); else *q->headers.consumer = cpu_to_le32(le32_to_cpu(*q->headers.consumer)+1); - + if (wasfull) { switch (qid) { @@ -608,7 +611,7 @@ void aac_consumer_free(struct aac_dev * dev, struct aac_queue *q, u32 qid) } aac_adapter_notify(dev, notify); } -} +} /** * aac_fib_adapter_complete - complete adapter issued fib @@ -630,32 +633,32 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size) if (hw_fib->header.XferState == 0) { if (dev->comm_interface == AAC_COMM_MESSAGE) kfree (hw_fib); - return 0; + return 0; } /* * If we plan to do anything check the structure type first. - */ - if ( hw_fib->header.StructType != FIB_MAGIC ) { + */ + if (hw_fib->header.StructType != FIB_MAGIC) { if (dev->comm_interface == AAC_COMM_MESSAGE) kfree (hw_fib); - return -EINVAL; + return -EINVAL; } /* * This block handles the case where the adapter had sent us a * command and we have finished processing the command. We - * call completeFib when we are done processing the command - * and want to send a response back to the adapter. This will + * call completeFib when we are done processing the command + * and want to send a response back to the adapter. This will * send the completed cdb to the adapter. */ if (hw_fib->header.XferState & cpu_to_le32(SentFromAdapter)) { if (dev->comm_interface == AAC_COMM_MESSAGE) { kfree (hw_fib); } else { - u32 index; - hw_fib->header.XferState |= cpu_to_le32(HostProcessed); + u32 index; + hw_fib->header.XferState |= cpu_to_le32(HostProcessed); if (size) { size += sizeof(struct aac_fibhdr); - if (size > le16_to_cpu(hw_fib->header.SenderSize)) + if (size > le16_to_cpu(hw_fib->header.SenderSize)) return -EMSGSIZE; hw_fib->header.Size = cpu_to_le16(size); } @@ -667,12 +670,11 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size) if (!(nointr & (int)aac_config.irq_mod)) aac_adapter_notify(dev, AdapNormRespQueue); } + } else { + printk(KERN_WARNING "aac_fib_adapter_complete: " + "Unknown xferstate detected.\n"); + BUG(); } - else - { - printk(KERN_WARNING "aac_fib_adapter_complete: Unknown xferstate detected.\n"); - BUG(); - } return 0; } @@ -682,7 +684,7 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size) * * Will do all necessary work to complete a FIB. */ - + int aac_fib_complete(struct fib *fibptr) { struct hw_fib * hw_fib = fibptr->hw_fib_va; @@ -692,15 +694,15 @@ int aac_fib_complete(struct fib *fibptr) */ if (hw_fib->header.XferState == 0) - return 0; + return 0; /* * If we plan to do anything check the structure type first. - */ + */ if (hw_fib->header.StructType != FIB_MAGIC) - return -EINVAL; + return -EINVAL; /* - * This block completes a cdb which orginated on the host and we + * This block completes a cdb which orginated on the host and we * just need to deallocate the cdb or reinit it. At this point the * command is complete that we had sent to the adapter and this * cdb could be reused. @@ -721,7 +723,7 @@ int aac_fib_complete(struct fib *fibptr) fib_dealloc(fibptr); } else { BUG(); - } + } return 0; } @@ -741,7 +743,7 @@ void aac_printf(struct aac_dev *dev, u32 val) { int length = val & 0xffff; int level = (val >> 16) & 0xffff; - + /* * The size of the printfbuf is set in port.c * There is no variable or define for it @@ -755,7 +757,7 @@ void aac_printf(struct aac_dev *dev, u32 val) else printk(KERN_INFO "%s:%s", dev->name, cp); } - memset(cp, 0, 256); + memset(cp, 0, 256); } @@ -773,20 +775,20 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) { struct hw_fib * hw_fib = fibptr->hw_fib_va; struct aac_aifcmd * aifcmd = (struct aac_aifcmd *)hw_fib->data; - u32 container; + u32 channel, id, lun, container; struct scsi_device *device; enum { NOTHING, DELETE, ADD, CHANGE - } device_config_needed; + } device_config_needed = NOTHING; /* Sniff for container changes */ if (!dev || !dev->fsa_dev) return; - container = (u32)-1; + container = channel = id = lun = (u32)-1; /* * We have set this up to try and minimize the number of @@ -796,13 +798,13 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) */ switch (le32_to_cpu(aifcmd->command)) { case AifCmdDriverNotify: - switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) { + switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) { /* * Morph or Expand complete */ case AifDenMorphComplete: case AifDenVolumeExtendComplete: - container = le32_to_cpu(((u32 *)aifcmd->data)[1]); + container = le32_to_cpu(((__le32 *)aifcmd->data)[1]); if (container >= dev->maximum_num_containers) break; @@ -814,9 +816,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) */ if ((dev != NULL) && (dev->scsi_host_ptr != NULL)) { - device = scsi_device_lookup(dev->scsi_host_ptr, - CONTAINER_TO_CHANNEL(container), - CONTAINER_TO_ID(container), + device = scsi_device_lookup(dev->scsi_host_ptr, + CONTAINER_TO_CHANNEL(container), + CONTAINER_TO_ID(container), CONTAINER_TO_LUN(container)); if (device) { dev->fsa_dev[container].config_needed = CHANGE; @@ -835,25 +837,29 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) if (container >= dev->maximum_num_containers) break; if ((dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) && + le32_to_cpu(*(__le32 *)aifcmd->data)) && time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } else for (container = 0; container < dev->maximum_num_containers; ++container) { if ((dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) && + le32_to_cpu(*(__le32 *)aifcmd->data)) && time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } break; case AifCmdEventNotify: - switch (le32_to_cpu(((u32 *)aifcmd->data)[0])) { + switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) { + case AifEnBatteryEvent: + dev->cache_protected = + (((__le32 *)aifcmd->data)[1] == cpu_to_le32(3)); + break; /* * Add an Array. */ case AifEnAddContainer: - container = le32_to_cpu(((u32 *)aifcmd->data)[1]); + container = le32_to_cpu(((__le32 *)aifcmd->data)[1]); if (container >= dev->maximum_num_containers) break; dev->fsa_dev[container].config_needed = ADD; @@ -866,7 +872,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) * Delete an Array. */ case AifEnDeleteContainer: - container = le32_to_cpu(((u32 *)aifcmd->data)[1]); + container = le32_to_cpu(((__le32 *)aifcmd->data)[1]); if (container >= dev->maximum_num_containers) break; dev->fsa_dev[container].config_needed = DELETE; @@ -880,7 +886,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) * waiting on something else, setup to wait on a Config Change. */ case AifEnContainerChange: - container = le32_to_cpu(((u32 *)aifcmd->data)[1]); + container = le32_to_cpu(((__le32 *)aifcmd->data)[1]); if (container >= dev->maximum_num_containers) break; if (dev->fsa_dev[container].config_waiting_on && @@ -895,6 +901,60 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) case AifEnConfigChange: break; + case AifEnAddJBOD: + case AifEnDeleteJBOD: + container = le32_to_cpu(((__le32 *)aifcmd->data)[1]); + if ((container >> 28)) + break; + channel = (container >> 24) & 0xF; + if (channel >= dev->maximum_num_channels) + break; + id = container & 0xFFFF; + if (id >= dev->maximum_num_physicals) + break; + lun = (container >> 16) & 0xFF; + channel = aac_phys_to_logical(channel); + device_config_needed = + (((__le32 *)aifcmd->data)[0] == + cpu_to_le32(AifEnAddJBOD)) ? ADD : DELETE; + break; + + case AifEnEnclosureManagement: + /* + * If in JBOD mode, automatic exposure of new + * physical target to be suppressed until configured. + */ + if (dev->jbod) + break; + switch (le32_to_cpu(((__le32 *)aifcmd->data)[3])) { + case EM_DRIVE_INSERTION: + case EM_DRIVE_REMOVAL: + container = le32_to_cpu( + ((__le32 *)aifcmd->data)[2]); + if ((container >> 28)) + break; + channel = (container >> 24) & 0xF; + if (channel >= dev->maximum_num_channels) + break; + id = container & 0xFFFF; + lun = (container >> 16) & 0xFF; + if (id >= dev->maximum_num_physicals) { + /* legacy dev_t ? */ + if ((0x2000 <= id) || lun || channel || + ((channel = (id >> 7) & 0x3F) >= + dev->maximum_num_channels)) + break; + lun = (id >> 4) & 7; + id &= 0xF; + } + channel = aac_phys_to_logical(channel); + device_config_needed = + (((__le32 *)aifcmd->data)[3] + == cpu_to_le32(EM_DRIVE_INSERTION)) ? + ADD : DELETE; + break; + } + break; } /* @@ -905,13 +965,13 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) if (container >= dev->maximum_num_containers) break; if ((dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) && + le32_to_cpu(*(__le32 *)aifcmd->data)) && time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } else for (container = 0; container < dev->maximum_num_containers; ++container) { if ((dev->fsa_dev[container].config_waiting_on == - le32_to_cpu(*(u32 *)aifcmd->data)) && + le32_to_cpu(*(__le32 *)aifcmd->data)) && time_before(jiffies, dev->fsa_dev[container].config_waiting_stamp + AIF_SNIFF_TIMEOUT)) dev->fsa_dev[container].config_waiting_on = 0; } @@ -926,9 +986,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) * wait for a container change. */ - if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero)) - && ((((u32 *)aifcmd->data)[6] == ((u32 *)aifcmd->data)[5]) - || (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess)))) { + if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) && + (((__le32 *)aifcmd->data)[6] == ((__le32 *)aifcmd->data)[5] || + ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsSuccess))) { for (container = 0; container < dev->maximum_num_containers; ++container) { @@ -943,9 +1003,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) jiffies; } } - if ((((u32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero)) - && (((u32 *)aifcmd->data)[6] == 0) - && (((u32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning))) { + if (((__le32 *)aifcmd->data)[1] == cpu_to_le32(AifJobCtrZero) && + ((__le32 *)aifcmd->data)[6] == 0 && + ((__le32 *)aifcmd->data)[4] == cpu_to_le32(AifJobStsRunning)) { for (container = 0; container < dev->maximum_num_containers; ++container) { @@ -963,7 +1023,7 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) break; } - device_config_needed = NOTHING; + if (device_config_needed == NOTHING) for (container = 0; container < dev->maximum_num_containers; ++container) { if ((dev->fsa_dev[container].config_waiting_on == 0) && @@ -972,6 +1032,9 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) device_config_needed = dev->fsa_dev[container].config_needed; dev->fsa_dev[container].config_needed = NOTHING; + channel = CONTAINER_TO_CHANNEL(container); + id = CONTAINER_TO_ID(container); + lun = CONTAINER_TO_LUN(container); break; } } @@ -995,34 +1058,56 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr) /* * force reload of disk info via aac_probe_container */ - if ((device_config_needed == CHANGE) - && (dev->fsa_dev[container].valid == 1)) - dev->fsa_dev[container].valid = 2; - if ((device_config_needed == CHANGE) || - (device_config_needed == ADD)) + if ((channel == CONTAINER_CHANNEL) && + (device_config_needed != NOTHING)) { + if (dev->fsa_dev[container].valid == 1) + dev->fsa_dev[container].valid = 2; aac_probe_container(dev, container); - device = scsi_device_lookup(dev->scsi_host_ptr, - CONTAINER_TO_CHANNEL(container), - CONTAINER_TO_ID(container), - CONTAINER_TO_LUN(container)); + } + device = scsi_device_lookup(dev->scsi_host_ptr, channel, id, lun); if (device) { switch (device_config_needed) { case DELETE: + if (scsi_device_online(device)) { + scsi_device_set_state(device, SDEV_OFFLINE); + sdev_printk(KERN_INFO, device, + "Device offlined - %s\n", + (channel == CONTAINER_CHANNEL) ? + "array deleted" : + "enclosure services event"); + } + break; + case ADD: + if (!scsi_device_online(device)) { + sdev_printk(KERN_INFO, device, + "Device online - %s\n", + (channel == CONTAINER_CHANNEL) ? + "array created" : + "enclosure services event"); + scsi_device_set_state(device, SDEV_RUNNING); + } + /* FALLTHRU */ case CHANGE: + if ((channel == CONTAINER_CHANNEL) + && (!dev->fsa_dev[container].valid)) { + if (!scsi_device_online(device)) + break; + scsi_device_set_state(device, SDEV_OFFLINE); + sdev_printk(KERN_INFO, device, + "Device offlined - %s\n", + "array failed"); + break; + } scsi_rescan_device(&device->sdev_gendev); default: break; } scsi_device_put(device); + device_config_needed = NOTHING; } - if (device_config_needed == ADD) { - scsi_add_device(dev->scsi_host_ptr, - CONTAINER_TO_CHANNEL(container), - CONTAINER_TO_ID(container), - CONTAINER_TO_LUN(container)); - } - + if (device_config_needed == ADD) + scsi_add_device(dev->scsi_host_ptr, channel, id, lun); } static int _aac_reset_adapter(struct aac_dev *aac, int forced) @@ -1099,7 +1184,8 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) free_irq(aac->pdev->irq, aac); kfree(aac->fsa_dev); aac->fsa_dev = NULL; - if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT) { + quirks = aac_get_driver_ident(index)->quirks; + if (quirks & AAC_QUIRK_31BIT) { if (((retval = pci_set_dma_mask(aac->pdev, DMA_31BIT_MASK))) || ((retval = pci_set_consistent_dma_mask(aac->pdev, DMA_31BIT_MASK)))) goto out; @@ -1110,7 +1196,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) } if ((retval = (*(aac_get_driver_ident(index)->init))(aac))) goto out; - if (aac_get_driver_ident(index)->quirks & AAC_QUIRK_31BIT) + if (quirks & AAC_QUIRK_31BIT) if ((retval = pci_set_dma_mask(aac->pdev, DMA_32BIT_MASK))) goto out; if (jafo) { @@ -1121,15 +1207,14 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) } } (void)aac_get_adapter_info(aac); - quirks = aac_get_driver_ident(index)->quirks; if ((quirks & AAC_QUIRK_34SG) && (host->sg_tablesize > 34)) { - host->sg_tablesize = 34; - host->max_sectors = (host->sg_tablesize * 8) + 112; - } - if ((quirks & AAC_QUIRK_17SG) && (host->sg_tablesize > 17)) { - host->sg_tablesize = 17; - host->max_sectors = (host->sg_tablesize * 8) + 112; - } + host->sg_tablesize = 34; + host->max_sectors = (host->sg_tablesize * 8) + 112; + } + if ((quirks & AAC_QUIRK_17SG) && (host->sg_tablesize > 17)) { + host->sg_tablesize = 17; + host->max_sectors = (host->sg_tablesize * 8) + 112; + } aac_get_config_status(aac, 1); aac_get_containers(aac); /* @@ -1217,12 +1302,13 @@ int aac_reset_adapter(struct aac_dev * aac, int forced) } /* Quiesce build, flush cache, write through mode */ - aac_send_shutdown(aac); + if (forced < 2) + aac_send_shutdown(aac); spin_lock_irqsave(host->host_lock, flagv); - retval = _aac_reset_adapter(aac, forced); + retval = _aac_reset_adapter(aac, forced ? forced : ((aac_check_reset != 0) && (aac_check_reset != 1))); spin_unlock_irqrestore(host->host_lock, flagv); - if (retval == -ENODEV) { + if ((forced < 2) && (retval == -ENODEV)) { /* Unwind aac_send_shutdown() IOP_RESET unsupported/disabled */ struct fib * fibctx = aac_fib_alloc(aac); if (fibctx) { @@ -1338,11 +1424,11 @@ int aac_check_health(struct aac_dev * aac) fib->data = hw_fib->data; aif = (struct aac_aifcmd *)hw_fib->data; aif->command = cpu_to_le32(AifCmdEventNotify); - aif->seqnum = cpu_to_le32(0xFFFFFFFF); - aif->data[0] = AifEnExpEvent; - aif->data[1] = AifExeFirmwarePanic; - aif->data[2] = AifHighPriority; - aif->data[3] = BlinkLED; + aif->seqnum = cpu_to_le32(0xFFFFFFFF); + ((__le32 *)aif->data)[0] = cpu_to_le32(AifEnExpEvent); + ((__le32 *)aif->data)[1] = cpu_to_le32(AifExeFirmwarePanic); + ((__le32 *)aif->data)[2] = cpu_to_le32(AifHighPriority); + ((__le32 *)aif->data)[3] = cpu_to_le32(BlinkLED); /* * Put the FIB onto the @@ -1372,14 +1458,14 @@ int aac_check_health(struct aac_dev * aac) printk(KERN_ERR "%s: Host adapter BLINK LED 0x%x\n", aac->name, BlinkLED); - if (!aac_check_reset || + if (!aac_check_reset || ((aac_check_reset != 1) && (aac->supplement_adapter_info.SupportedOptions2 & - le32_to_cpu(AAC_OPTION_IGNORE_RESET))) + AAC_OPTION_IGNORE_RESET))) goto out; host = aac->scsi_host_ptr; if (aac->thread->pid != current->pid) spin_lock_irqsave(host->host_lock, flagv); - BlinkLED = _aac_reset_adapter(aac, 0); + BlinkLED = _aac_reset_adapter(aac, aac_check_reset != 1); if (aac->thread->pid != current->pid) spin_unlock_irqrestore(host->host_lock, flagv); return BlinkLED; @@ -1399,7 +1485,7 @@ out: * until the queue is empty. When the queue is empty it will wait for * more FIBs. */ - + int aac_command_thread(void *data) { struct aac_dev *dev = data; @@ -1425,30 +1511,29 @@ int aac_command_thread(void *data) add_wait_queue(&dev->queues->queue[HostNormCmdQueue].cmdready, &wait); set_current_state(TASK_INTERRUPTIBLE); dprintk ((KERN_INFO "aac_command_thread start\n")); - while(1) - { + while (1) { spin_lock_irqsave(dev->queues->queue[HostNormCmdQueue].lock, flags); while(!list_empty(&(dev->queues->queue[HostNormCmdQueue].cmdq))) { struct list_head *entry; struct aac_aifcmd * aifcmd; set_current_state(TASK_RUNNING); - + entry = dev->queues->queue[HostNormCmdQueue].cmdq.next; list_del(entry); - + spin_unlock_irqrestore(dev->queues->queue[HostNormCmdQueue].lock, flags); fib = list_entry(entry, struct fib, fiblink); /* - * We will process the FIB here or pass it to a - * worker thread that is TBD. We Really can't + * We will process the FIB here or pass it to a + * worker thread that is TBD. We Really can't * do anything at this point since we don't have * anything defined for this thread to do. */ hw_fib = fib->hw_fib_va; memset(fib, 0, sizeof(struct fib)); fib->type = FSAFS_NTC_FIB_CONTEXT; - fib->size = sizeof( struct fib ); + fib->size = sizeof(struct fib); fib->hw_fib_va = hw_fib; fib->data = hw_fib->data; fib->dev = dev; @@ -1462,20 +1547,19 @@ int aac_command_thread(void *data) *(__le32 *)hw_fib->data = cpu_to_le32(ST_OK); aac_fib_adapter_complete(fib, (u16)sizeof(u32)); } else { - struct list_head *entry; /* The u32 here is important and intended. We are using 32bit wrapping time to fit the adapter field */ - + u32 time_now, time_last; unsigned long flagv; unsigned num; struct hw_fib ** hw_fib_pool, ** hw_fib_p; struct fib ** fib_pool, ** fib_p; - + /* Sniff events */ - if ((aifcmd->command == + if ((aifcmd->command == cpu_to_le32(AifCmdEventNotify)) || - (aifcmd->command == + (aifcmd->command == cpu_to_le32(AifCmdJobProgress))) { aac_handle_aif(dev, fib); } @@ -1527,7 +1611,7 @@ int aac_command_thread(void *data) spin_lock_irqsave(&dev->fib_lock, flagv); entry = dev->fib_list.next; /* - * For each Context that is on the + * For each Context that is on the * fibctxList, make a copy of the * fib, and then set the event to wake up the * thread that is waiting for it. @@ -1552,7 +1636,7 @@ int aac_command_thread(void *data) */ time_last = fibctx->jiffies; /* - * Has it been > 2 minutes + * Has it been > 2 minutes * since the last read off * the queue? */ @@ -1583,7 +1667,7 @@ int aac_command_thread(void *data) */ list_add_tail(&newfib->fiblink, &fibctx->fib_list); fibctx->count++; - /* + /* * Set the event to wake up the * thread that is waiting. */ @@ -1655,11 +1739,11 @@ int aac_command_thread(void *data) struct fib *fibptr; if ((fibptr = aac_fib_alloc(dev))) { - u32 * info; + __le32 *info; aac_fib_init(fibptr); - info = (u32 *) fib_data(fibptr); + info = (__le32 *) fib_data(fibptr); if (now.tv_usec > 500000) ++now.tv_sec; diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c index e6032ffc66a6..d1163ded132b 100644 --- a/drivers/scsi/aacraid/dpcsup.c +++ b/drivers/scsi/aacraid/dpcsup.c @@ -120,6 +120,7 @@ unsigned int aac_response_normal(struct aac_queue * q) * NOTE: we cannot touch the fib after this * call, because it may have been deallocated. */ + fib->flags = 0; fib->callback(fib->callback_data, fib); } else { unsigned long flagv; @@ -229,11 +230,9 @@ unsigned int aac_command_normal(struct aac_queue *q) * all QE there are and wake up all the waiters before exiting. */ -unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index) +unsigned int aac_intr_normal(struct aac_dev * dev, u32 index) { - u32 index = le32_to_cpu(Index); - - dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, Index)); + dprintk((KERN_INFO "aac_intr_normal(%p,%x)\n", dev, index)); if ((index & 0x00000002L)) { struct hw_fib * hw_fib; struct fib * fib; @@ -301,7 +300,7 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index) if (hwfib->header.Command == cpu_to_le16(NuFileSystem)) { - u32 *pstatus = (u32 *)hwfib->data; + __le32 *pstatus = (__le32 *)hwfib->data; if (*pstatus & cpu_to_le32(0xffff0000)) *pstatus = cpu_to_le32(ST_OK); } @@ -315,6 +314,7 @@ unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index) * NOTE: we cannot touch the fib after this * call, because it may have been deallocated. */ + fib->flags = 0; fib->callback(fib->callback_data, fib); } else { unsigned long flagv; diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 9dd331bc29b0..61be22774e99 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -159,27 +159,27 @@ static struct pci_device_id aac_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, aac_pci_tbl); /* - * dmb - For now we add the number of channels to this structure. + * dmb - For now we add the number of channels to this structure. * In the future we should add a fib that reports the number of channels * for the card. At that time we can remove the channels from here */ static struct aac_driver_ident aac_drivers[] = { - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ - { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ - { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ - { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ - { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ - { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ - { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ - { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ - { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ + { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ + { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ + { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ + { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */ + { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */ + { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ + { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ + { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ @@ -224,8 +224,8 @@ static struct aac_driver_ident aac_drivers[] = { { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ - { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ - { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ + { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ + { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */ @@ -239,7 +239,7 @@ static struct aac_driver_ident aac_drivers[] = { * Queues a command for execution by the associated Host Adapter. * * TODO: unify with aac_scsi_cmd(). - */ + */ static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { @@ -258,7 +258,7 @@ static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd } cmd->SCp.phase = AAC_OWNER_LOWLEVEL; return (aac_scsi_cmd(cmd) ? FAILED : 0); -} +} /** * aac_info - Returns the host adapter name @@ -292,21 +292,21 @@ struct aac_driver_ident* aac_get_driver_ident(int devtype) * @capacity: the sector capacity of the disk * @geom: geometry block to fill in * - * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. - * The default disk geometry is 64 heads, 32 sectors, and the appropriate - * number of cylinders so as not to exceed drive capacity. In order for + * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. + * The default disk geometry is 64 heads, 32 sectors, and the appropriate + * number of cylinders so as not to exceed drive capacity. In order for * disks equal to or larger than 1 GB to be addressable by the BIOS - * without exceeding the BIOS limitation of 1024 cylinders, Extended - * Translation should be enabled. With Extended Translation enabled, - * drives between 1 GB inclusive and 2 GB exclusive are given a disk - * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive - * are given a disk geometry of 255 heads and 63 sectors. However, if - * the BIOS detects that the Extended Translation setting does not match - * the geometry in the partition table, then the translation inferred - * from the partition table will be used by the BIOS, and a warning may + * without exceeding the BIOS limitation of 1024 cylinders, Extended + * Translation should be enabled. With Extended Translation enabled, + * drives between 1 GB inclusive and 2 GB exclusive are given a disk + * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive + * are given a disk geometry of 255 heads and 63 sectors. However, if + * the BIOS detects that the Extended Translation setting does not match + * the geometry in the partition table, then the translation inferred + * from the partition table will be used by the BIOS, and a warning may * be displayed. */ - + static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *geom) { @@ -333,10 +333,10 @@ static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); - /* + /* * Read the first 1024 bytes from the disk device, if the boot * sector partition table is valid, search for a partition table - * entry whose end_head matches one of the standard geometry + * entry whose end_head matches one of the standard geometry * translations ( 64/32, 128/32, 255/63 ). */ buf = scsi_bios_ptable(bdev); @@ -401,30 +401,44 @@ static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, static int aac_slave_configure(struct scsi_device *sdev) { + struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; if ((sdev->type == TYPE_DISK) && - (sdev_channel(sdev) != CONTAINER_CHANNEL)) { + (sdev_channel(sdev) != CONTAINER_CHANNEL) && + (!aac->jbod || sdev->inq_periph_qual) && + (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { if (expose_physicals == 0) return -ENXIO; - if (expose_physicals < 0) { - struct aac_dev *aac = - (struct aac_dev *)sdev->host->hostdata; - if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) - sdev->no_uld_attach = 1; - } + if (expose_physicals < 0) + sdev->no_uld_attach = 1; } if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && - (sdev_channel(sdev) == CONTAINER_CHANNEL)) { + (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && + !sdev->no_uld_attach) { struct scsi_device * dev; struct Scsi_Host *host = sdev->host; unsigned num_lsu = 0; unsigned num_one = 0; unsigned depth; + unsigned cid; + /* + * Firmware has an individual device recovery time typically + * of 35 seconds, give us a margin. + */ + if (sdev->timeout < (45 * HZ)) + sdev->timeout = 45 * HZ; + for (cid = 0; cid < aac->maximum_num_containers; ++cid) + if (aac->fsa_dev[cid].valid) + ++num_lsu; __shost_for_each_device(dev, host) { if (dev->tagged_supported && (dev->type == TYPE_DISK) && - (sdev_channel(dev) == CONTAINER_CHANNEL)) - ++num_lsu; - else + (!aac->raid_scsi_mode || + (sdev_channel(sdev) != 2)) && + !dev->no_uld_attach) { + if ((sdev_channel(dev) != CONTAINER_CHANNEL) + || !aac->fsa_dev[sdev_id(dev)].valid) + ++num_lsu; + } else ++num_one; } if (num_lsu == 0) @@ -481,9 +495,35 @@ static int aac_change_queue_depth(struct scsi_device *sdev, int depth) return sdev->queue_depth; } +static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct scsi_device * sdev = to_scsi_device(dev); + if (sdev_channel(sdev) != CONTAINER_CHANNEL) + return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach + ? "Hidden\n" : "JBOD"); + return snprintf(buf, PAGE_SIZE, "%s\n", + get_container_type(((struct aac_dev *)(sdev->host->hostdata)) + ->fsa_dev[sdev_id(sdev)].type)); +} + +static struct device_attribute aac_raid_level_attr = { + .attr = { + .name = "level", + .mode = S_IRUGO, + }, + .show = aac_show_raid_level +}; + +static struct device_attribute *aac_dev_attrs[] = { + &aac_raid_level_attr, + NULL, +}; + static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) { struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; + if (!capable(CAP_SYS_RAWIO)) + return -EPERM; return aac_do_ioctl(dev, cmd, arg); } @@ -506,17 +546,33 @@ static int aac_eh_abort(struct scsi_cmnd* cmd) break; case INQUIRY: case READ_CAPACITY: - case TEST_UNIT_READY: /* Mark associated FIB to not complete, eh handler does this */ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { struct fib * fib = &aac->fibs[count]; if (fib->hw_fib_va->header.XferState && + (fib->flags & FIB_CONTEXT_FLAG) && (fib->callback_data == cmd)) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; ret = SUCCESS; } } + break; + case TEST_UNIT_READY: + /* Mark associated FIB to not complete, eh handler does this */ + for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { + struct scsi_cmnd * command; + struct fib * fib = &aac->fibs[count]; + if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && + (fib->flags & FIB_CONTEXT_FLAG) && + ((command = fib->callback_data)) && + (command->device == cmd->device)) { + fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; + command->SCp.phase = AAC_OWNER_ERROR_HANDLER; + if (command == cmd) + ret = SUCCESS; + } + } } return ret; } @@ -539,12 +595,13 @@ static int aac_eh_reset(struct scsi_cmnd* cmd) for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { struct fib * fib = &aac->fibs[count]; if (fib->hw_fib_va->header.XferState && + (fib->flags & FIB_CONTEXT_FLAG) && (fib->callback_data == cmd)) { fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; } } - printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", + printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); if ((count = aac_check_health(aac))) @@ -584,8 +641,11 @@ static int aac_eh_reset(struct scsi_cmnd* cmd) * support a register, instead of a commanded, reset. */ if ((aac->supplement_adapter_info.SupportedOptions2 & - le32_to_cpu(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) == - le32_to_cpu(AAC_OPTION_MU_RESET)) + AAC_OPTION_MU_RESET) && + aac_check_reset && + ((aac_check_reset != 1) || + (aac->supplement_adapter_info.SupportedOptions2 & + AAC_OPTION_IGNORE_RESET))) aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ } @@ -632,8 +692,8 @@ static int aac_cfg_open(struct inode *inode, struct file *file) * Bugs: Needs locking against parallel ioctls lower down * Bugs: Needs to handle hot plugging */ - -static int aac_cfg_ioctl(struct inode *inode, struct file *file, + +static int aac_cfg_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { if (!capable(CAP_SYS_RAWIO)) @@ -646,7 +706,7 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long { long ret; lock_kernel(); - switch (cmd) { + switch (cmd) { case FSACTL_MINIPORT_REV_CHECK: case FSACTL_SENDFIB: case FSACTL_OPEN_GET_ADAPTER_FIB: @@ -656,14 +716,14 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long case FSACTL_QUERY_DISK: case FSACTL_DELETE_DISK: case FSACTL_FORCE_DELETE_DISK: - case FSACTL_GET_CONTAINERS: + case FSACTL_GET_CONTAINERS: case FSACTL_SEND_LARGE_FIB: ret = aac_do_ioctl(dev, cmd, (void __user *)arg); break; case FSACTL_GET_NEXT_ADAPTER_FIB: { struct fib_ioctl __user *f; - + f = compat_alloc_user_space(sizeof(*f)); ret = 0; if (clear_user(f, sizeof(*f))) @@ -676,9 +736,9 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long } default: - ret = -ENOIOCTLCMD; + ret = -ENOIOCTLCMD; break; - } + } unlock_kernel(); return ret; } @@ -735,6 +795,25 @@ static ssize_t aac_show_vendor(struct class_device *class_dev, return len; } +static ssize_t aac_show_flags(struct class_device *class_dev, char *buf) +{ + int len = 0; + struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; + + if (nblank(dprintk(x))) + len = snprintf(buf, PAGE_SIZE, "dprintk\n"); +#ifdef AAC_DETAILED_STATUS_INFO + len += snprintf(buf + len, PAGE_SIZE - len, + "AAC_DETAILED_STATUS_INFO\n"); +#endif + if (dev->raw_io_interface && dev->raw_io_64) + len += snprintf(buf + len, PAGE_SIZE - len, + "SAI_READ_CAPACITY_16\n"); + if (dev->jbod) + len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); + return len; +} + static ssize_t aac_show_kernel_version(struct class_device *class_dev, char *buf) { @@ -742,7 +821,7 @@ static ssize_t aac_show_kernel_version(struct class_device *class_dev, int len, tmp; tmp = le32_to_cpu(dev->adapter_info.kernelrev); - len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", + len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, le32_to_cpu(dev->adapter_info.kernelbuild)); return len; @@ -755,7 +834,7 @@ static ssize_t aac_show_monitor_version(struct class_device *class_dev, int len, tmp; tmp = le32_to_cpu(dev->adapter_info.monitorrev); - len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", + len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, le32_to_cpu(dev->adapter_info.monitorbuild)); return len; @@ -768,7 +847,7 @@ static ssize_t aac_show_bios_version(struct class_device *class_dev, int len, tmp; tmp = le32_to_cpu(dev->adapter_info.biosrev); - len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", + len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, le32_to_cpu(dev->adapter_info.biosbuild)); return len; @@ -844,6 +923,13 @@ static struct class_device_attribute aac_vendor = { }, .show = aac_show_vendor, }; +static struct class_device_attribute aac_flags = { + .attr = { + .name = "flags", + .mode = S_IRUGO, + }, + .show = aac_show_flags, +}; static struct class_device_attribute aac_kernel_version = { .attr = { .name = "hba_kernel_version", @@ -898,6 +984,7 @@ static struct class_device_attribute aac_reset = { static struct class_device_attribute *aac_attrs[] = { &aac_model, &aac_vendor, + &aac_flags, &aac_kernel_version, &aac_monitor_version, &aac_bios_version, @@ -928,21 +1015,22 @@ static struct scsi_host_template aac_driver_template = { .compat_ioctl = aac_compat_ioctl, #endif .queuecommand = aac_queuecommand, - .bios_param = aac_biosparm, + .bios_param = aac_biosparm, .shost_attrs = aac_attrs, .slave_configure = aac_slave_configure, .change_queue_depth = aac_change_queue_depth, + .sdev_attrs = aac_dev_attrs, .eh_abort_handler = aac_eh_abort, .eh_host_reset_handler = aac_eh_reset, - .can_queue = AAC_NUM_IO_FIB, + .can_queue = AAC_NUM_IO_FIB, .this_id = MAXIMUM_NUM_CONTAINERS, .sg_tablesize = 16, .max_sectors = 128, #if (AAC_NUM_IO_FIB > 256) .cmd_per_lun = 256, -#else - .cmd_per_lun = AAC_NUM_IO_FIB, -#endif +#else + .cmd_per_lun = AAC_NUM_IO_FIB, +#endif .use_clustering = ENABLE_CLUSTERING, .use_sg_chaining = ENABLE_SG_CHAINING, .emulated = 1, @@ -979,18 +1067,18 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, goto out; error = -ENODEV; - if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) goto out_disable_pdev; /* * If the quirk31 bit is set, the adapter needs adapter * to driver communication memory to be allocated below 2gig */ - if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) + if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) goto out_disable_pdev; - + pci_set_master(pdev); shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); @@ -1003,7 +1091,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, shost->max_cmd_len = 16; aac = (struct aac_dev *)shost->hostdata; - aac->scsi_host_ptr = shost; + aac->scsi_host_ptr = shost; aac->pdev = pdev; aac->name = aac_driver_template.name; aac->id = shost->unique_id; @@ -1040,7 +1128,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) goto out_deinit; - + aac->maximum_num_channels = aac_drivers[index].channels; error = aac_get_adapter_info(aac); if (error < 0) @@ -1049,7 +1137,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, /* * Lets override negotiations and drop the maximum SG limit to 34 */ - if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && + if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && (aac->scsi_host_ptr->sg_tablesize > 34)) { aac->scsi_host_ptr->sg_tablesize = 34; aac->scsi_host_ptr->max_sectors @@ -1066,17 +1154,17 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, /* * Firware printf works only with older firmware. */ - if (aac_drivers[index].quirks & AAC_QUIRK_34SG) + if (aac_drivers[index].quirks & AAC_QUIRK_34SG) aac->printf_enabled = 1; else aac->printf_enabled = 0; - + /* * max channel will be the physical channels plus 1 virtual channel * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) * physical channels are address by their actual physical number+1 */ - if ((aac->nondasd_support == 1) || expose_physicals) + if (aac->nondasd_support || expose_physicals || aac->jbod) shost->max_channel = aac->maximum_num_channels; else shost->max_channel = 0; @@ -1148,10 +1236,10 @@ static void __devexit aac_remove_one(struct pci_dev *pdev) kfree(aac->queues); aac_adapter_ioremap(aac, 0); - + kfree(aac->fibs); kfree(aac->fsa_dev); - + list_del(&aac->entry); scsi_host_put(shost); pci_disable_device(pdev); @@ -1172,7 +1260,7 @@ static struct pci_driver aac_pci_driver = { static int __init aac_init(void) { int error; - + printk(KERN_INFO "Adaptec %s driver %s\n", AAC_DRIVERNAME, aac_driver_version); diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index 73eef3dc5dc6..a08bbf1fd76c 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -465,7 +465,7 @@ static int aac_rx_restart_adapter(struct aac_dev *dev, int bled) u32 var; if (!(dev->supplement_adapter_info.SupportedOptions2 & - le32_to_cpu(AAC_OPTION_MU_RESET)) || (bled >= 0) || (bled == -2)) { + AAC_OPTION_MU_RESET) || (bled >= 0) || (bled == -2)) { if (bled) printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n", dev->name, dev->id, bled); @@ -549,7 +549,9 @@ int _aac_rx_init(struct aac_dev *dev) dev->OIMR = status = rx_readb (dev, MUnit.OIMR); if ((((status & 0x0c) != 0x0c) || aac_reset_devices || reset_devices) && !aac_rx_restart_adapter(dev, 0)) - ++restart; + /* Make sure the Hardware FIFO is empty */ + while ((++restart < 512) && + (rx_readl(dev, MUnit.OutboundQueue) != 0xFFFFFFFFL)); /* * Check to see if the board panic'd while booting. */ diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 38a1ee2eacd8..374ed025dc5a 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -8233,7 +8233,7 @@ static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) { ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n"); ASC_DBG_PRT_SENSE(2, scp->sense_buffer, - sizeof(scp->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); /* * Note: The 'status_byte()' macro used by * target drivers defined in scsi.h shifts the @@ -9136,7 +9136,7 @@ static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) BUG_ON(asc_dvc_varp != &boardp->dvc_var.asc_dvc_var); dma_unmap_single(boardp->dev, scp->SCp.dma_handle, - sizeof(scp->sense_buffer), DMA_FROM_DEVICE); + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); /* * 'qdonep' contains the command's ending status. */ @@ -9166,7 +9166,7 @@ static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep) if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) { ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n"); ASC_DBG_PRT_SENSE(2, scp->sense_buffer, - sizeof(scp->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); /* * Note: The 'status_byte()' macro used by * target drivers defined in scsi.h shifts the @@ -9881,9 +9881,9 @@ static __le32 advansys_get_sense_buffer_dma(struct scsi_cmnd *scp) { struct asc_board *board = shost_priv(scp->device->host); scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer, - sizeof(scp->sense_buffer), DMA_FROM_DEVICE); + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); dma_cache_sync(board->dev, scp->sense_buffer, - sizeof(scp->sense_buffer), DMA_FROM_DEVICE); + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); return cpu_to_le32(scp->SCp.dma_handle); } @@ -9914,7 +9914,7 @@ static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, asc_scsi_q->q2.target_ix = ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun); asc_scsi_q->q1.sense_addr = advansys_get_sense_buffer_dma(scp); - asc_scsi_q->q1.sense_len = sizeof(scp->sense_buffer); + asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE; /* * If there are any outstanding requests for the current target, @@ -10173,7 +10173,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, scsiqp->target_lun = scp->device->lun; scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0])); - scsiqp->sense_len = sizeof(scp->sense_buffer); + scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; /* Build ADV_SCSI_REQ_Q */ diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index ea8c69947644..6ccdc96cc480 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -260,6 +260,7 @@ #include <scsi/scsi_dbg.h> #include <scsi/scsi_host.h> #include <scsi/scsi_transport_spi.h> +#include <scsi/scsi_eh.h> #include "aha152x.h" static LIST_HEAD(aha152x_host_list); @@ -558,9 +559,7 @@ struct aha152x_hostdata { struct aha152x_scdata { Scsi_Cmnd *next; /* next sc in queue */ struct completion *done;/* semaphore to block on */ - unsigned char aha_orig_cmd_len; - unsigned char aha_orig_cmnd[MAX_COMMAND_SIZE]; - int aha_orig_resid; + struct scsi_eh_save ses; }; /* access macros for hostdata */ @@ -1017,16 +1016,10 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete, SCp.buffers_residual : left buffers in list SCp.phase : current state of the command */ - if ((phase & (check_condition|resetting)) || !scsi_sglist(SCpnt)) { - if (phase & check_condition) { - SCpnt->SCp.ptr = SCpnt->sense_buffer; - SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer); - scsi_set_resid(SCpnt, sizeof(SCpnt->sense_buffer)); - } else { - SCpnt->SCp.ptr = NULL; - SCpnt->SCp.this_residual = 0; - scsi_set_resid(SCpnt, 0); - } + if ((phase & resetting) || !scsi_sglist(SCpnt)) { + SCpnt->SCp.ptr = NULL; + SCpnt->SCp.this_residual = 0; + scsi_set_resid(SCpnt, 0); SCpnt->SCp.buffer = NULL; SCpnt->SCp.buffers_residual = 0; } else { @@ -1561,10 +1554,7 @@ static void busfree_run(struct Scsi_Host *shpnt) } #endif - /* restore old command */ - memcpy(cmd->cmnd, sc->aha_orig_cmnd, sizeof(cmd->cmnd)); - cmd->cmd_len = sc->aha_orig_cmd_len; - scsi_set_resid(cmd, sc->aha_orig_resid); + scsi_eh_restore_cmnd(cmd, &sc->ses); cmd->SCp.Status = SAM_STAT_CHECK_CONDITION; @@ -1587,22 +1577,10 @@ static void busfree_run(struct Scsi_Host *shpnt) DPRINTK(debug_eh, ERR_LEAD "requesting sense\n", CMDINFO(ptr)); #endif - /* save old command */ sc = SCDATA(ptr); /* It was allocated in aha152x_internal_queue? */ BUG_ON(!sc); - memcpy(sc->aha_orig_cmnd, ptr->cmnd, - sizeof(ptr->cmnd)); - sc->aha_orig_cmd_len = ptr->cmd_len; - sc->aha_orig_resid = scsi_get_resid(ptr); - - ptr->cmnd[0] = REQUEST_SENSE; - ptr->cmnd[1] = 0; - ptr->cmnd[2] = 0; - ptr->cmnd[3] = 0; - ptr->cmnd[4] = sizeof(ptr->sense_buffer); - ptr->cmnd[5] = 0; - ptr->cmd_len = 6; + scsi_eh_prep_cmnd(ptr, &sc->ses, NULL, 0, ~0); DO_UNLOCK(flags); aha152x_internal_queue(ptr, NULL, check_condition, ptr->scsi_done); diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index bbcc2c52d79f..190568ebea3c 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -51,15 +51,6 @@ #define SCSI_BUF_PA(address) isa_virt_to_bus(address) #define SCSI_SG_PA(sgent) (isa_page_to_bus(sg_page((sgent))) + (sgent)->offset) -static void BAD_DMA(void *address, unsigned int length) -{ - printk(KERN_CRIT "buf vaddress %p paddress 0x%lx length %d\n", - address, - SCSI_BUF_PA(address), - length); - panic("Buffer at physical address > 16Mb used for aha1542"); -} - static void BAD_SG_DMA(Scsi_Cmnd * SCpnt, struct scatterlist *sgp, int nseg, @@ -545,7 +536,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost, void *dev_id) we will still have it in the cdb when we come back */ if (ccb[mbo].tarstat == 2) memcpy(SCtmp->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen], - sizeof(SCtmp->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); /* is there mail :-) */ @@ -597,8 +588,7 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) unchar target = SCpnt->device->id; unchar lun = SCpnt->device->lun; unsigned long flags; - void *buff = SCpnt->request_buffer; - int bufflen = SCpnt->request_bufflen; + int bufflen = scsi_bufflen(SCpnt); int mbo; struct mailbox *mb; struct ccb *ccb; @@ -619,7 +609,7 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) #if 0 /* scsi_request_sense() provides a buffer of size 256, so there is no reason to expect equality */ - if (bufflen != sizeof(SCpnt->sense_buffer)) + if (bufflen != SCSI_SENSE_BUFFERSIZE) printk(KERN_CRIT "aha1542: Wrong buffer length supplied " "for request sense (%d)\n", bufflen); #endif @@ -689,42 +679,29 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) memcpy(ccb[mbo].cdb, cmd, ccb[mbo].cdblen); - if (SCpnt->use_sg) { + if (bufflen) { struct scatterlist *sg; struct chain *cptr; #ifdef DEBUG unsigned char *ptr; #endif - int i; + int i, sg_count = scsi_sg_count(SCpnt); ccb[mbo].op = 2; /* SCSI Initiator Command w/scatter-gather */ - SCpnt->host_scribble = kmalloc(512, GFP_KERNEL | GFP_DMA); + SCpnt->host_scribble = kmalloc(sizeof(*cptr)*sg_count, + GFP_KERNEL | GFP_DMA); cptr = (struct chain *) SCpnt->host_scribble; if (cptr == NULL) { /* free the claimed mailbox slot */ HOSTDATA(SCpnt->device->host)->SCint[mbo] = NULL; return SCSI_MLQUEUE_HOST_BUSY; } - scsi_for_each_sg(SCpnt, sg, SCpnt->use_sg, i) { - if (sg->length == 0 || SCpnt->use_sg > 16 || - (((int) sg->offset) & 1) || (sg->length & 1)) { - unsigned char *ptr; - printk(KERN_CRIT "Bad segment list supplied to aha1542.c (%d, %d)\n", SCpnt->use_sg, i); - scsi_for_each_sg(SCpnt, sg, SCpnt->use_sg, i) { - printk(KERN_CRIT "%d: %p %d\n", i, - sg_virt(sg), sg->length); - }; - printk(KERN_CRIT "cptr %x: ", (unsigned int) cptr); - ptr = (unsigned char *) &cptr[i]; - for (i = 0; i < 18; i++) - printk("%02x ", ptr[i]); - panic("Foooooooood fight!"); - }; + scsi_for_each_sg(SCpnt, sg, sg_count, i) { any2scsi(cptr[i].dataptr, SCSI_SG_PA(sg)); if (SCSI_SG_PA(sg) + sg->length - 1 > ISA_DMA_THRESHOLD) - BAD_SG_DMA(SCpnt, sg, SCpnt->use_sg, i); + BAD_SG_DMA(SCpnt, scsi_sglist(SCpnt), sg_count, i); any2scsi(cptr[i].datalen, sg->length); }; - any2scsi(ccb[mbo].datalen, SCpnt->use_sg * sizeof(struct chain)); + any2scsi(ccb[mbo].datalen, sg_count * sizeof(struct chain)); any2scsi(ccb[mbo].dataptr, SCSI_BUF_PA(cptr)); #ifdef DEBUG printk("cptr %x: ", cptr); @@ -735,10 +712,8 @@ static int aha1542_queuecommand(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) } else { ccb[mbo].op = 0; /* SCSI Initiator Command */ SCpnt->host_scribble = NULL; - any2scsi(ccb[mbo].datalen, bufflen); - if (buff && SCSI_BUF_PA(buff + bufflen - 1) > ISA_DMA_THRESHOLD) - BAD_DMA(buff, bufflen); - any2scsi(ccb[mbo].dataptr, SCSI_BUF_PA(buff)); + any2scsi(ccb[mbo].datalen, 0); + any2scsi(ccb[mbo].dataptr, 0); }; ccb[mbo].idlun = (target & 7) << 5 | direction | (lun & 7); /*SCSI Target Id */ ccb[mbo].rsalen = 16; diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index f6722fd46008..be58a0b097c7 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -286,7 +286,7 @@ static irqreturn_t aha1740_intr_handle(int irq, void *dev_id) cdb when we come back */ if ( (adapstat & G2INTST_MASK) == G2INTST_CCBERROR ) { memcpy(SCtmp->sense_buffer, ecbptr->sense, - sizeof(SCtmp->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); errstatus = aha1740_makecode(ecbptr->sense,ecbptr->status); } else errstatus = 0; diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile index 9a6ce19a4030..e4f70c563bc2 100644 --- a/drivers/scsi/aic7xxx/Makefile +++ b/drivers/scsi/aic7xxx/Makefile @@ -33,11 +33,10 @@ aic79xx-y += aic79xx_osm.o \ aic79xx_proc.o \ aic79xx_osm_pci.o -EXTRA_CFLAGS += -Idrivers/scsi +ccflags-y += -Idrivers/scsi ifdef WARNINGS_BECOME_ERRORS -EXTRA_CFLAGS += -Werror +ccflags-y += -Werror endif -#EXTRA_CFLAGS += -g # Files generated that shall be removed upon make clean clean-files := aic7xxx_seq.h aic7xxx_reg.h aic7xxx_reg_print.c @@ -46,53 +45,45 @@ clean-files += aic79xx_seq.h aic79xx_reg.h aic79xx_reg_print.c # Dependencies for generated files need to be listed explicitly $(obj)/aic7xxx_core.o: $(obj)/aic7xxx_seq.h +$(obj)/aic7xxx_core.o: $(obj)/aic7xxx_reg.h $(obj)/aic79xx_core.o: $(obj)/aic79xx_seq.h -$(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped -$(obj)/aic7xxx_reg_print.c: $(src)/aic7xxx_reg_print.c_shipped +$(obj)/aic79xx_core.o: $(obj)/aic79xx_reg.h -$(addprefix $(obj)/,$(aic7xxx-y)): $(obj)/aic7xxx_reg.h -$(addprefix $(obj)/,$(aic79xx-y)): $(obj)/aic79xx_reg.h +$(addprefix $(obj)/,$(aic7xxx-y)): $(obj)/aic7xxx_seq.h +$(addprefix $(obj)/,$(aic79xx-y)): $(obj)/aic79xx_seq.h -aic7xxx-gen-$(CONFIG_AIC7XXX_BUILD_FIRMWARE) := $(obj)/aic7xxx_seq.h \ - $(obj)/aic7xxx_reg.h +aic7xxx-gen-$(CONFIG_AIC7XXX_BUILD_FIRMWARE) := $(obj)/aic7xxx_reg.h aic7xxx-gen-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT) += $(obj)/aic7xxx_reg_print.c aicasm-7xxx-opts-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT) := \ -p $(obj)/aic7xxx_reg_print.c -i aic7xxx_osm.h ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y) -# Create a dependency chain in generated files -# to avoid concurrent invocations of the single -# rule that builds them all. -aic7xxx_seq.h: aic7xxx_reg.h -ifeq ($(CONFIG_AIC7XXX_REG_PRETTY_PRINT),y) -aic7xxx_reg.h: aic7xxx_reg_print.c -endif -$(aic7xxx-gen-y): $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm +$(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic7xxx_reg.h \ $(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \ $(src)/aic7xxx.seq + +$(aic7xxx-gen-y): $(obj)/aic7xxx_seq.h +else +$(obj)/aic7xxx_reg_print.c: $(src)/aic7xxx_reg_print.c_shipped endif -aic79xx-gen-$(CONFIG_AIC79XX_BUILD_FIRMWARE) := $(obj)/aic79xx_seq.h \ - $(obj)/aic79xx_reg.h +aic79xx-gen-$(CONFIG_AIC79XX_BUILD_FIRMWARE) := $(obj)/aic79xx_reg.h aic79xx-gen-$(CONFIG_AIC79XX_REG_PRETTY_PRINT) += $(obj)/aic79xx_reg_print.c aicasm-79xx-opts-$(CONFIG_AIC79XX_REG_PRETTY_PRINT) := \ -p $(obj)/aic79xx_reg_print.c -i aic79xx_osm.h ifeq ($(CONFIG_AIC79XX_BUILD_FIRMWARE),y) -# Create a dependency chain in generated files -# to avoid concurrent invocations of the single -# rule that builds them all. -aic79xx_seq.h: aic79xx_reg.h -ifeq ($(CONFIG_AIC79XX_REG_PRETTY_PRINT),y) -aic79xx_reg.h: aic79xx_reg_print.c -endif -$(aic79xx-gen-y): $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm +$(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic79xx_reg.h \ $(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \ $(src)/aic79xx.seq + +$(aic79xx-gen-y): $(obj)/aic79xx_seq.h +else +$(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped endif $(obj)/aicasm/aicasm: $(src)/aicasm/*.[chyl] diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 2d020405480c..0e4708fd43c8 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -1784,7 +1784,7 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd, if (scb->flags & SCB_SENSE) { sense_size = min(sizeof(struct scsi_sense_data) - ahd_get_sense_residual(scb), - (u_long)sizeof(cmd->sense_buffer)); + (u_long)SCSI_SENSE_BUFFERSIZE); sense_offset = 0; } else { /* @@ -1795,11 +1795,11 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd, scb->sense_data; sense_size = min_t(size_t, scsi_4btoul(siu->sense_length), - sizeof(cmd->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); sense_offset = SIU_SENSE_OFFSET(siu); } - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); memcpy(cmd->sense_buffer, ahd_get_sense_buf(ahd, scb) + sense_offset, sense_size); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 390b0fc991c5..e310e414067f 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -1801,12 +1801,12 @@ ahc_linux_handle_scsi_status(struct ahc_softc *ahc, sense_size = min(sizeof(struct scsi_sense_data) - ahc_get_sense_residual(scb), - (u_long)sizeof(cmd->sense_buffer)); + (u_long)SCSI_SENSE_BUFFERSIZE); memcpy(cmd->sense_buffer, ahc_get_sense_buf(ahc, scb), sense_size); - if (sense_size < sizeof(cmd->sense_buffer)) + if (sense_size < SCSI_SENSE_BUFFERSIZE) memset(&cmd->sense_buffer[sense_size], 0, - sizeof(cmd->sense_buffer) - sense_size); + SCSI_SENSE_BUFFERSIZE - sense_size); cmd->result |= (DRIVER_SENSE << 24); #ifdef AHC_DEBUG if (ahc_debug & AHC_SHOW_SENSE) { diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c index 8f8db5f0aef7..bcb0b870320c 100644 --- a/drivers/scsi/aic7xxx_old.c +++ b/drivers/scsi/aic7xxx_old.c @@ -2696,7 +2696,7 @@ aic7xxx_done(struct aic7xxx_host *p, struct aic7xxx_scb *scb) { pci_unmap_single(p->pdev, le32_to_cpu(scb->sg_list[0].address), - sizeof(cmd->sense_buffer), + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE); } if (scb->flags & SCB_RECOVERY_SCB) @@ -4267,13 +4267,13 @@ aic7xxx_handle_seqint(struct aic7xxx_host *p, unsigned char intstat) sizeof(generic_sense)); scb->sense_cmd[1] = (cmd->device->lun << 5); - scb->sense_cmd[4] = sizeof(cmd->sense_buffer); + scb->sense_cmd[4] = SCSI_SENSE_BUFFERSIZE; scb->sg_list[0].length = - cpu_to_le32(sizeof(cmd->sense_buffer)); + cpu_to_le32(SCSI_SENSE_BUFFERSIZE); scb->sg_list[0].address = cpu_to_le32(pci_map_single(p->pdev, cmd->sense_buffer, - sizeof(cmd->sense_buffer), + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE)); /* @@ -4296,7 +4296,7 @@ aic7xxx_handle_seqint(struct aic7xxx_host *p, unsigned char intstat) hscb->residual_data_count[2] = 0; scb->sg_count = hscb->SG_segment_count = 1; - scb->sg_length = sizeof(cmd->sense_buffer); + scb->sg_length = SCSI_SENSE_BUFFERSIZE; scb->tag_action = 0; scb->flags |= SCB_SENSE; /* @@ -10293,7 +10293,6 @@ static int aic7xxx_queue(struct scsi_cmnd *cmd, void (*fn)(struct scsi_cmnd *)) aic7xxx_position(cmd) = scb->hscb->tag; cmd->scsi_done = fn; cmd->result = DID_OK; - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); aic7xxx_error(cmd) = DID_OK; aic7xxx_status(cmd) = 0; cmd->host_scribble = NULL; diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c index 3dce618bf414..72042cae7768 100644 --- a/drivers/scsi/aic94xx/aic94xx_dev.c +++ b/drivers/scsi/aic94xx/aic94xx_dev.c @@ -165,7 +165,7 @@ static int asd_init_target_ddb(struct domain_device *dev) if (dev->port->oob_mode != SATA_OOB_MODE) { flags |= OPEN_REQUIRED; if ((dev->dev_type == SATA_DEV) || - (dev->tproto & SAS_PROTO_STP)) { + (dev->tproto & SAS_PROTOCOL_STP)) { struct smp_resp *rps_resp = &dev->sata_dev.rps_resp; if (rps_resp->frame_type == SMP_RESPONSE && rps_resp->function == SMP_REPORT_PHY_SATA && @@ -193,7 +193,7 @@ static int asd_init_target_ddb(struct domain_device *dev) asd_ddbsite_write_byte(asd_ha, ddb, DDB_TARG_FLAGS, flags); flags = 0; - if (dev->tproto & SAS_PROTO_STP) + if (dev->tproto & SAS_PROTOCOL_STP) flags |= STP_CL_POL_NO_TX; asd_ddbsite_write_byte(asd_ha, ddb, DDB_TARG_FLAGS2, flags); @@ -201,7 +201,7 @@ static int asd_init_target_ddb(struct domain_device *dev) asd_ddbsite_write_word(asd_ha, ddb, SEND_QUEUE_TAIL, 0xFFFF); asd_ddbsite_write_word(asd_ha, ddb, SISTER_DDB, 0xFFFF); - if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTO_STP)) { + if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { i = asd_init_sata(dev); if (i < 0) { asd_free_ddb(asd_ha, ddb); diff --git a/drivers/scsi/aic94xx/aic94xx_dump.c b/drivers/scsi/aic94xx/aic94xx_dump.c index 6bd8e3059d27..3d8c4ff1f2ef 100644 --- a/drivers/scsi/aic94xx/aic94xx_dump.c +++ b/drivers/scsi/aic94xx/aic94xx_dump.c @@ -903,11 +903,11 @@ void asd_dump_frame_rcvd(struct asd_phy *phy, int i; switch ((dl->status_block[1] & 0x70) >> 3) { - case SAS_PROTO_STP: + case SAS_PROTOCOL_STP: ASD_DPRINTK("STP proto device-to-host FIS:\n"); break; default: - case SAS_PROTO_SSP: + case SAS_PROTOCOL_SSP: ASD_DPRINTK("SAS proto IDENTIFY:\n"); break; } diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c index 0cd7eed9196c..098b5f39cd31 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.c +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c @@ -91,7 +91,7 @@ static int asd_init_phy(struct asd_phy *phy) sas_phy->enabled = 1; sas_phy->class = SAS; - sas_phy->iproto = SAS_PROTO_ALL; + sas_phy->iproto = SAS_PROTOCOL_ALL; sas_phy->tproto = 0; sas_phy->type = PHY_TYPE_PHYSICAL; sas_phy->role = PHY_ROLE_INITIATOR; diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.h b/drivers/scsi/aic94xx/aic94xx_hwi.h index 491e5d8a98bc..150f6706d23f 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.h +++ b/drivers/scsi/aic94xx/aic94xx_hwi.h @@ -72,6 +72,7 @@ struct flash_struct { u8 manuf; u8 dev_id; u8 sec_prot; + u8 method; u32 dir_offs; }; @@ -216,6 +217,8 @@ struct asd_ha_struct { struct dma_pool *scb_pool; struct asd_seq_data seq; /* sequencer related */ + u32 bios_status; + const struct firmware *bios_image; }; /* ---------- Common macros ---------- */ diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index b70d6e7f96e9..5d761eb67442 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -29,6 +29,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/delay.h> +#include <linux/firmware.h> #include <scsi/scsi_host.h> @@ -36,6 +37,7 @@ #include "aic94xx_reg.h" #include "aic94xx_hwi.h" #include "aic94xx_seq.h" +#include "aic94xx_sds.h" /* The format is "version.release.patchlevel" */ #define ASD_DRIVER_VERSION "1.0.3" @@ -134,7 +136,7 @@ Err: return err; } -static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha) +static void asd_unmap_memio(struct asd_ha_struct *asd_ha) { struct asd_ha_addrspace *io_handle; @@ -171,7 +173,7 @@ static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha) return err; } -static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha) +static void asd_unmap_ioport(struct asd_ha_struct *asd_ha) { pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET); } @@ -208,7 +210,7 @@ Err: return err; } -static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha) +static void asd_unmap_ha(struct asd_ha_struct *asd_ha) { if (asd_ha->iospace) asd_unmap_ioport(asd_ha); @@ -313,6 +315,181 @@ static ssize_t asd_show_dev_pcba_sn(struct device *dev, } static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); +#define FLASH_CMD_NONE 0x00 +#define FLASH_CMD_UPDATE 0x01 +#define FLASH_CMD_VERIFY 0x02 + +struct flash_command { + u8 command[8]; + int code; +}; + +static struct flash_command flash_command_table[] = +{ + {"verify", FLASH_CMD_VERIFY}, + {"update", FLASH_CMD_UPDATE}, + {"", FLASH_CMD_NONE} /* Last entry should be NULL. */ +}; + +struct error_bios { + char *reason; + int err_code; +}; + +static struct error_bios flash_error_table[] = +{ + {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE}, + {"PCI ID mismatch", FAIL_CHECK_PCI_ID}, + {"Checksum mismatch", FAIL_CHECK_SUM}, + {"Unknown Error", FAIL_UNKNOWN}, + {"Failed to verify.", FAIL_VERIFY}, + {"Failed to reset flash chip.", FAIL_RESET_FLASH}, + {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID}, + {"Failed to erash flash chip.", FAIL_ERASE_FLASH}, + {"Failed to program flash chip.", FAIL_WRITE_FLASH}, + {"Flash in progress", FLASH_IN_PROGRESS}, + {"Image file size Error", FAIL_FILE_SIZE}, + {"Input parameter error", FAIL_PARAMETERS}, + {"Out of memory", FAIL_OUT_MEMORY}, + {"OK", 0} /* Last entry err_code = 0. */ +}; + +static ssize_t asd_store_update_bios(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); + char *cmd_ptr, *filename_ptr; + struct bios_file_header header, *hdr_ptr; + int res, i; + u32 csum = 0; + int flash_command = FLASH_CMD_NONE; + int err = 0; + + cmd_ptr = kzalloc(count*2, GFP_KERNEL); + + if (!cmd_ptr) { + err = FAIL_OUT_MEMORY; + goto out; + } + + filename_ptr = cmd_ptr + count; + res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr); + if (res != 2) { + err = FAIL_PARAMETERS; + goto out1; + } + + for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) { + if (!memcmp(flash_command_table[i].command, + cmd_ptr, strlen(cmd_ptr))) { + flash_command = flash_command_table[i].code; + break; + } + } + if (flash_command == FLASH_CMD_NONE) { + err = FAIL_PARAMETERS; + goto out1; + } + + if (asd_ha->bios_status == FLASH_IN_PROGRESS) { + err = FLASH_IN_PROGRESS; + goto out1; + } + err = request_firmware(&asd_ha->bios_image, + filename_ptr, + &asd_ha->pcidev->dev); + if (err) { + asd_printk("Failed to load bios image file %s, error %d\n", + filename_ptr, err); + err = FAIL_OPEN_BIOS_FILE; + goto out1; + } + + hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data; + + if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor || + hdr_ptr->contrl_id.device != asd_ha->pcidev->device) && + (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor || + hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) { + + ASD_DPRINTK("The PCI vendor or device id does not match\n"); + ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x" + " pci vendor=%x pci dev=%x\n", + hdr_ptr->contrl_id.vendor, + hdr_ptr->contrl_id.device, + hdr_ptr->contrl_id.sub_vendor, + hdr_ptr->contrl_id.sub_device, + asd_ha->pcidev->vendor, + asd_ha->pcidev->device); + err = FAIL_CHECK_PCI_ID; + goto out2; + } + + if (hdr_ptr->filelen != asd_ha->bios_image->size) { + err = FAIL_FILE_SIZE; + goto out2; + } + + /* calculate checksum */ + for (i = 0; i < hdr_ptr->filelen; i++) + csum += asd_ha->bios_image->data[i]; + + if ((csum & 0x0000ffff) != hdr_ptr->checksum) { + ASD_DPRINTK("BIOS file checksum mismatch\n"); + err = FAIL_CHECK_SUM; + goto out2; + } + if (flash_command == FLASH_CMD_UPDATE) { + asd_ha->bios_status = FLASH_IN_PROGRESS; + err = asd_write_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(*hdr_ptr)], + 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); + if (!err) + err = asd_verify_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(*hdr_ptr)], + 0, hdr_ptr->filelen-sizeof(*hdr_ptr)); + } else { + asd_ha->bios_status = FLASH_IN_PROGRESS; + err = asd_verify_flash_seg(asd_ha, + &asd_ha->bios_image->data[sizeof(header)], + 0, hdr_ptr->filelen-sizeof(header)); + } + +out2: + release_firmware(asd_ha->bios_image); +out1: + kfree(cmd_ptr); +out: + asd_ha->bios_status = err; + + if (!err) + return count; + else + return -err; +} + +static ssize_t asd_show_update_bios(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int i; + struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); + + for (i = 0; flash_error_table[i].err_code != 0; i++) { + if (flash_error_table[i].err_code == asd_ha->bios_status) + break; + } + if (asd_ha->bios_status != FLASH_IN_PROGRESS) + asd_ha->bios_status = FLASH_OK; + + return snprintf(buf, PAGE_SIZE, "status=%x %s\n", + flash_error_table[i].err_code, + flash_error_table[i].reason); +} + +static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUGO, + asd_show_update_bios, asd_store_update_bios); + static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) { int err; @@ -328,9 +505,14 @@ static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); if (err) goto err_biosb; + err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); + if (err) + goto err_update_bios; return 0; +err_update_bios: + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); err_biosb: device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); err_rev: @@ -343,6 +525,7 @@ static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); + device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios); } /* The first entry, 0, is used for dynamic ids, the rest for devices @@ -589,6 +772,7 @@ static int __devinit asd_pci_probe(struct pci_dev *dev, asd_ha->sas_ha.dev = &asd_ha->pcidev->dev; asd_ha->sas_ha.lldd_ha = asd_ha; + asd_ha->bios_status = FLASH_OK; asd_ha->name = asd_dev->name; asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index db6ab1a3b81e..0febad4dd75f 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -788,12 +788,12 @@ void asd_build_control_phy(struct asd_ascb *ascb, int phy_id, u8 subfunc) /* initiator port settings are in the hi nibble */ if (phy->sas_phy.role == PHY_ROLE_INITIATOR) - control_phy->port_type = SAS_PROTO_ALL << 4; + control_phy->port_type = SAS_PROTOCOL_ALL << 4; else if (phy->sas_phy.role == PHY_ROLE_TARGET) - control_phy->port_type = SAS_PROTO_ALL; + control_phy->port_type = SAS_PROTOCOL_ALL; else control_phy->port_type = - (SAS_PROTO_ALL << 4) | SAS_PROTO_ALL; + (SAS_PROTOCOL_ALL << 4) | SAS_PROTOCOL_ALL; /* link reset retries, this should be nominal */ control_phy->link_reset_retries = 10; diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index 06509bff71f7..2a4c933eb89c 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c @@ -30,6 +30,7 @@ #include "aic94xx.h" #include "aic94xx_reg.h" +#include "aic94xx_sds.h" /* ---------- OCM stuff ---------- */ @@ -1083,3 +1084,391 @@ out: kfree(flash_dir); return err; } + +/** + * asd_verify_flash_seg - verify data with flash memory + * @asd_ha: pointer to the host adapter structure + * @src: pointer to the source data to be verified + * @dest_offset: offset from flash memory + * @bytes_to_verify: total bytes to verify + */ +int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, + void *src, u32 dest_offset, u32 bytes_to_verify) +{ + u8 *src_buf; + u8 flash_char; + int err; + u32 nv_offset, reg, i; + + reg = asd_ha->hw_prof.flash.bar; + src_buf = NULL; + + err = FLASH_OK; + nv_offset = dest_offset; + src_buf = (u8 *)src; + for (i = 0; i < bytes_to_verify; i++) { + flash_char = asd_read_reg_byte(asd_ha, reg + nv_offset + i); + if (flash_char != src_buf[i]) { + err = FAIL_VERIFY; + break; + } + } + return err; +} + +/** + * asd_write_flash_seg - write data into flash memory + * @asd_ha: pointer to the host adapter structure + * @src: pointer to the source data to be written + * @dest_offset: offset from flash memory + * @bytes_to_write: total bytes to write + */ +int asd_write_flash_seg(struct asd_ha_struct *asd_ha, + void *src, u32 dest_offset, u32 bytes_to_write) +{ + u8 *src_buf; + u32 nv_offset, reg, i; + int err; + + reg = asd_ha->hw_prof.flash.bar; + src_buf = NULL; + + err = asd_check_flash_type(asd_ha); + if (err) { + ASD_DPRINTK("couldn't find the type of flash. err=%d\n", err); + return err; + } + + nv_offset = dest_offset; + err = asd_erase_nv_sector(asd_ha, nv_offset, bytes_to_write); + if (err) { + ASD_DPRINTK("Erase failed at offset:0x%x\n", + nv_offset); + return err; + } + + err = asd_reset_flash(asd_ha); + if (err) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + + src_buf = (u8 *)src; + for (i = 0; i < bytes_to_write; i++) { + /* Setup program command sequence */ + switch (asd_ha->hw_prof.flash.method) { + case FLASH_METHOD_A: + { + asd_write_reg_byte(asd_ha, + (reg + 0xAAA), 0xAA); + asd_write_reg_byte(asd_ha, + (reg + 0x555), 0x55); + asd_write_reg_byte(asd_ha, + (reg + 0xAAA), 0xA0); + asd_write_reg_byte(asd_ha, + (reg + nv_offset + i), + (*(src_buf + i))); + break; + } + case FLASH_METHOD_B: + { + asd_write_reg_byte(asd_ha, + (reg + 0x555), 0xAA); + asd_write_reg_byte(asd_ha, + (reg + 0x2AA), 0x55); + asd_write_reg_byte(asd_ha, + (reg + 0x555), 0xA0); + asd_write_reg_byte(asd_ha, + (reg + nv_offset + i), + (*(src_buf + i))); + break; + } + default: + break; + } + if (asd_chk_write_status(asd_ha, + (nv_offset + i), 0) != 0) { + ASD_DPRINTK("aicx: Write failed at offset:0x%x\n", + reg + nv_offset + i); + return FAIL_WRITE_FLASH; + } + } + + err = asd_reset_flash(asd_ha); + if (err) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + return 0; +} + +int asd_chk_write_status(struct asd_ha_struct *asd_ha, + u32 sector_addr, u8 erase_flag) +{ + u32 reg; + u32 loop_cnt; + u8 nv_data1, nv_data2; + u8 toggle_bit1; + + /* + * Read from DQ2 requires sector address + * while it's dont care for DQ6 + */ + reg = asd_ha->hw_prof.flash.bar; + + for (loop_cnt = 0; loop_cnt < 50000; loop_cnt++) { + nv_data1 = asd_read_reg_byte(asd_ha, reg); + nv_data2 = asd_read_reg_byte(asd_ha, reg); + + toggle_bit1 = ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6) + ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6)); + + if (toggle_bit1 == 0) { + return 0; + } else { + if (nv_data2 & FLASH_STATUS_BIT_MASK_DQ5) { + nv_data1 = asd_read_reg_byte(asd_ha, + reg); + nv_data2 = asd_read_reg_byte(asd_ha, + reg); + toggle_bit1 = + ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6) + ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6)); + + if (toggle_bit1 == 0) + return 0; + } + } + + /* + * ERASE is a sector-by-sector operation and requires + * more time to finish while WRITE is byte-byte-byte + * operation and takes lesser time to finish. + * + * For some strange reason a reduced ERASE delay gives different + * behaviour across different spirit boards. Hence we set + * a optimum balance of 50mus for ERASE which works well + * across all boards. + */ + if (erase_flag) { + udelay(FLASH_STATUS_ERASE_DELAY_COUNT); + } else { + udelay(FLASH_STATUS_WRITE_DELAY_COUNT); + } + } + return -1; +} + +/** + * asd_hwi_erase_nv_sector - Erase the flash memory sectors. + * @asd_ha: pointer to the host adapter structure + * @flash_addr: pointer to offset from flash memory + * @size: total bytes to erase. + */ +int asd_erase_nv_sector(struct asd_ha_struct *asd_ha, u32 flash_addr, u32 size) +{ + u32 reg; + u32 sector_addr; + + reg = asd_ha->hw_prof.flash.bar; + + /* sector staring address */ + sector_addr = flash_addr & FLASH_SECTOR_SIZE_MASK; + + /* + * Erasing an flash sector needs to be done in six consecutive + * write cyles. + */ + while (sector_addr < flash_addr+size) { + switch (asd_ha->hw_prof.flash.method) { + case FLASH_METHOD_A: + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA); + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55); + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0x80); + asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA); + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55); + asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30); + break; + case FLASH_METHOD_B: + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA); + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55); + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x80); + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA); + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55); + asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30); + break; + default: + break; + } + + if (asd_chk_write_status(asd_ha, sector_addr, 1) != 0) + return FAIL_ERASE_FLASH; + + sector_addr += FLASH_SECTOR_SIZE; + } + + return 0; +} + +int asd_check_flash_type(struct asd_ha_struct *asd_ha) +{ + u8 manuf_id; + u8 dev_id; + u8 sec_prot; + u32 inc; + u32 reg; + int err; + + /* get Flash memory base address */ + reg = asd_ha->hw_prof.flash.bar; + + /* Determine flash info */ + err = asd_reset_flash(asd_ha); + if (err) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + + asd_ha->hw_prof.flash.method = FLASH_METHOD_UNKNOWN; + asd_ha->hw_prof.flash.manuf = FLASH_MANUF_ID_UNKNOWN; + asd_ha->hw_prof.flash.dev_id = FLASH_DEV_ID_UNKNOWN; + + /* Get flash info. This would most likely be AMD Am29LV family flash. + * First try the sequence for word mode. It is the same as for + * 008B (byte mode only), 160B (word mode) and 800D (word mode). + */ + inc = asd_ha->hw_prof.flash.wide ? 2 : 1; + asd_write_reg_byte(asd_ha, reg + 0xAAA, 0xAA); + asd_write_reg_byte(asd_ha, reg + 0x555, 0x55); + asd_write_reg_byte(asd_ha, reg + 0xAAA, 0x90); + manuf_id = asd_read_reg_byte(asd_ha, reg); + dev_id = asd_read_reg_byte(asd_ha, reg + inc); + sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc); + /* Get out of autoselect mode. */ + err = asd_reset_flash(asd_ha); + if (err) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + ASD_DPRINTK("Flash MethodA manuf_id(0x%x) dev_id(0x%x) " + "sec_prot(0x%x)\n", manuf_id, dev_id, sec_prot); + err = asd_reset_flash(asd_ha); + if (err != 0) + return err; + + switch (manuf_id) { + case FLASH_MANUF_ID_AMD: + switch (sec_prot) { + case FLASH_DEV_ID_AM29LV800DT: + case FLASH_DEV_ID_AM29LV640MT: + case FLASH_DEV_ID_AM29F800B: + asd_ha->hw_prof.flash.method = FLASH_METHOD_A; + break; + default: + break; + } + break; + case FLASH_MANUF_ID_ST: + switch (sec_prot) { + case FLASH_DEV_ID_STM29W800DT: + case FLASH_DEV_ID_STM29LV640: + asd_ha->hw_prof.flash.method = FLASH_METHOD_A; + break; + default: + break; + } + break; + case FLASH_MANUF_ID_FUJITSU: + switch (sec_prot) { + case FLASH_DEV_ID_MBM29LV800TE: + case FLASH_DEV_ID_MBM29DL800TA: + asd_ha->hw_prof.flash.method = FLASH_METHOD_A; + break; + } + break; + case FLASH_MANUF_ID_MACRONIX: + switch (sec_prot) { + case FLASH_DEV_ID_MX29LV800BT: + asd_ha->hw_prof.flash.method = FLASH_METHOD_A; + break; + } + break; + } + + if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN) { + err = asd_reset_flash(asd_ha); + if (err) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + + /* Issue Unlock sequence for AM29LV008BT */ + asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA); + asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55); + asd_write_reg_byte(asd_ha, (reg + 0x555), 0x90); + manuf_id = asd_read_reg_byte(asd_ha, reg); + dev_id = asd_read_reg_byte(asd_ha, reg + inc); + sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc); + + ASD_DPRINTK("Flash MethodB manuf_id(0x%x) dev_id(0x%x) sec_prot" + "(0x%x)\n", manuf_id, dev_id, sec_prot); + + err = asd_reset_flash(asd_ha); + if (err != 0) { + ASD_DPRINTK("couldn't reset flash. err=%d\n", err); + return err; + } + + switch (manuf_id) { + case FLASH_MANUF_ID_AMD: + switch (dev_id) { + case FLASH_DEV_ID_AM29LV008BT: + asd_ha->hw_prof.flash.method = FLASH_METHOD_B; + break; + default: + break; + } + break; + case FLASH_MANUF_ID_ST: + switch (dev_id) { + case FLASH_DEV_ID_STM29008: + asd_ha->hw_prof.flash.method = FLASH_METHOD_B; + break; + default: + break; + } + break; + case FLASH_MANUF_ID_FUJITSU: + switch (dev_id) { + case FLASH_DEV_ID_MBM29LV008TA: + asd_ha->hw_prof.flash.method = FLASH_METHOD_B; + break; + } + break; + case FLASH_MANUF_ID_INTEL: + switch (dev_id) { + case FLASH_DEV_ID_I28LV00TAT: + asd_ha->hw_prof.flash.method = FLASH_METHOD_B; + break; + } + break; + case FLASH_MANUF_ID_MACRONIX: + switch (dev_id) { + case FLASH_DEV_ID_I28LV00TAT: + asd_ha->hw_prof.flash.method = FLASH_METHOD_B; + break; + } + break; + default: + return FAIL_FIND_FLASH_ID; + } + } + + if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN) + return FAIL_FIND_FLASH_ID; + + asd_ha->hw_prof.flash.manuf = manuf_id; + asd_ha->hw_prof.flash.dev_id = dev_id; + asd_ha->hw_prof.flash.sec_prot = sec_prot; + return 0; +} diff --git a/drivers/scsi/aic94xx/aic94xx_sds.h b/drivers/scsi/aic94xx/aic94xx_sds.h new file mode 100644 index 000000000000..bb9795a04dc3 --- /dev/null +++ b/drivers/scsi/aic94xx/aic94xx_sds.h @@ -0,0 +1,121 @@ +/* + * Aic94xx SAS/SATA driver hardware interface header file. + * + * Copyright (C) 2005 Adaptec, Inc. All rights reserved. + * Copyright (C) 2005 Gilbert Wu <gilbert_wu@adaptec.com> + * + * This file is licensed under GPLv2. + * + * This file is part of the aic94xx driver. + * + * The aic94xx driver is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of the + * License. + * + * The aic94xx driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with the aic94xx driver; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ +#ifndef _AIC94XX_SDS_H_ +#define _AIC94XX_SDS_H_ + +enum { + FLASH_METHOD_UNKNOWN, + FLASH_METHOD_A, + FLASH_METHOD_B +}; + +#define FLASH_MANUF_ID_AMD 0x01 +#define FLASH_MANUF_ID_ST 0x20 +#define FLASH_MANUF_ID_FUJITSU 0x04 +#define FLASH_MANUF_ID_MACRONIX 0xC2 +#define FLASH_MANUF_ID_INTEL 0x89 +#define FLASH_MANUF_ID_UNKNOWN 0xFF + +#define FLASH_DEV_ID_AM29LV008BT 0x3E +#define FLASH_DEV_ID_AM29LV800DT 0xDA +#define FLASH_DEV_ID_STM29W800DT 0xD7 +#define FLASH_DEV_ID_STM29LV640 0xDE +#define FLASH_DEV_ID_STM29008 0xEA +#define FLASH_DEV_ID_MBM29LV800TE 0xDA +#define FLASH_DEV_ID_MBM29DL800TA 0x4A +#define FLASH_DEV_ID_MBM29LV008TA 0x3E +#define FLASH_DEV_ID_AM29LV640MT 0x7E +#define FLASH_DEV_ID_AM29F800B 0xD6 +#define FLASH_DEV_ID_MX29LV800BT 0xDA +#define FLASH_DEV_ID_MX29LV008CT 0xDA +#define FLASH_DEV_ID_I28LV00TAT 0x3E +#define FLASH_DEV_ID_UNKNOWN 0xFF + +/* status bit mask values */ +#define FLASH_STATUS_BIT_MASK_DQ6 0x40 +#define FLASH_STATUS_BIT_MASK_DQ5 0x20 +#define FLASH_STATUS_BIT_MASK_DQ2 0x04 + +/* minimum value in micro seconds needed for checking status */ +#define FLASH_STATUS_ERASE_DELAY_COUNT 50 +#define FLASH_STATUS_WRITE_DELAY_COUNT 25 + +#define FLASH_SECTOR_SIZE 0x010000 +#define FLASH_SECTOR_SIZE_MASK 0xffff0000 + +#define FLASH_OK 0x000000 +#define FAIL_OPEN_BIOS_FILE 0x000100 +#define FAIL_CHECK_PCI_ID 0x000200 +#define FAIL_CHECK_SUM 0x000300 +#define FAIL_UNKNOWN 0x000400 +#define FAIL_VERIFY 0x000500 +#define FAIL_RESET_FLASH 0x000600 +#define FAIL_FIND_FLASH_ID 0x000700 +#define FAIL_ERASE_FLASH 0x000800 +#define FAIL_WRITE_FLASH 0x000900 +#define FAIL_FILE_SIZE 0x000a00 +#define FAIL_PARAMETERS 0x000b00 +#define FAIL_OUT_MEMORY 0x000c00 +#define FLASH_IN_PROGRESS 0x001000 + +struct controller_id { + u32 vendor; /* PCI Vendor ID */ + u32 device; /* PCI Device ID */ + u32 sub_vendor; /* PCI Subvendor ID */ + u32 sub_device; /* PCI Subdevice ID */ +}; + +struct image_info { + u32 ImageId; /* Identifies the image */ + u32 ImageOffset; /* Offset the beginning of the file */ + u32 ImageLength; /* length of the image */ + u32 ImageChecksum; /* Image checksum */ + u32 ImageVersion; /* Version of the image, could be build number */ +}; + +struct bios_file_header { + u8 signature[32]; /* Signature/Cookie to identify the file */ + u32 checksum; /*Entire file checksum with this field zero */ + u32 antidote; /* Entire file checksum with this field 0xFFFFFFFF */ + struct controller_id contrl_id; /*PCI id to identify the controller */ + u32 filelen; /*Length of the entire file*/ + u32 chunk_num; /*The chunk/part number for multiple Image files */ + u32 total_chunks; /*Total number of chunks/parts in the image file */ + u32 num_images; /* Number of images in the file */ + u32 build_num; /* Build number of this image */ + struct image_info image_header; +}; + +int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, + void *src, u32 dest_offset, u32 bytes_to_verify); +int asd_write_flash_seg(struct asd_ha_struct *asd_ha, + void *src, u32 dest_offset, u32 bytes_to_write); +int asd_chk_write_status(struct asd_ha_struct *asd_ha, + u32 sector_addr, u8 erase_flag); +int asd_check_flash_type(struct asd_ha_struct *asd_ha); +int asd_erase_nv_sector(struct asd_ha_struct *asd_ha, + u32 flash_addr, u32 size); +#endif diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c index ee0a98bffcd4..965d4bb999d9 100644 --- a/drivers/scsi/aic94xx/aic94xx_task.c +++ b/drivers/scsi/aic94xx/aic94xx_task.c @@ -187,29 +187,13 @@ static void asd_get_response_tasklet(struct asd_ascb *ascb, ts->buf_valid_size = 0; edb = asd_ha->seq.edb_arr[edb_id + escb->edb_index]; r = edb->vaddr; - if (task->task_proto == SAS_PROTO_SSP) { + if (task->task_proto == SAS_PROTOCOL_SSP) { struct ssp_response_iu *iu = r + 16 + sizeof(struct ssp_frame_hdr); ts->residual = le32_to_cpu(*(__le32 *)r); - ts->resp = SAS_TASK_COMPLETE; - if (iu->datapres == 0) - ts->stat = iu->status; - else if (iu->datapres == 1) - ts->stat = iu->resp_data[3]; - else if (iu->datapres == 2) { - ts->stat = SAM_CHECK_COND; - ts->buf_valid_size = min((u32) SAS_STATUS_BUF_SIZE, - be32_to_cpu(iu->sense_data_len)); - memcpy(ts->buf, iu->sense_data, ts->buf_valid_size); - if (iu->status != SAM_CHECK_COND) { - ASD_DPRINTK("device %llx sent sense data, but " - "stat(0x%x) is not CHECK_CONDITION" - "\n", - SAS_ADDR(task->dev->sas_addr), - iu->status); - } - } + + sas_ssp_task_response(&asd_ha->pcidev->dev, task, iu); } else { struct ata_task_resp *resp = (void *) &ts->buf[0]; @@ -341,14 +325,14 @@ Again: } switch (task->task_proto) { - case SATA_PROTO: - case SAS_PROTO_STP: + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: asd_unbuild_ata_ascb(ascb); break; - case SAS_PROTO_SMP: + case SAS_PROTOCOL_SMP: asd_unbuild_smp_ascb(ascb); break; - case SAS_PROTO_SSP: + case SAS_PROTOCOL_SSP: asd_unbuild_ssp_ascb(ascb); default: break; @@ -586,17 +570,17 @@ int asd_execute_task(struct sas_task *task, const int num, list_for_each_entry(a, &alist, list) { t = a->uldd_task; a->uldd_timer = 1; - if (t->task_proto & SAS_PROTO_STP) - t->task_proto = SAS_PROTO_STP; + if (t->task_proto & SAS_PROTOCOL_STP) + t->task_proto = SAS_PROTOCOL_STP; switch (t->task_proto) { - case SATA_PROTO: - case SAS_PROTO_STP: + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: res = asd_build_ata_ascb(a, t, gfp_flags); break; - case SAS_PROTO_SMP: + case SAS_PROTOCOL_SMP: res = asd_build_smp_ascb(a, t, gfp_flags); break; - case SAS_PROTO_SSP: + case SAS_PROTOCOL_SSP: res = asd_build_ssp_ascb(a, t, gfp_flags); break; default: @@ -633,14 +617,14 @@ out_err_unmap: t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; spin_unlock_irqrestore(&t->task_state_lock, flags); switch (t->task_proto) { - case SATA_PROTO: - case SAS_PROTO_STP: + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: asd_unbuild_ata_ascb(a); break; - case SAS_PROTO_SMP: + case SAS_PROTOCOL_SMP: asd_unbuild_smp_ascb(a); break; - case SAS_PROTO_SSP: + case SAS_PROTOCOL_SSP: asd_unbuild_ssp_ascb(a); default: break; diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index c0d0b7d7a8ce..87b2f6e6adfe 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -372,21 +372,21 @@ int asd_abort_task(struct sas_task *task) scb->header.opcode = ABORT_TASK; switch (task->task_proto) { - case SATA_PROTO: - case SAS_PROTO_STP: + case SAS_PROTOCOL_SATA: + case SAS_PROTOCOL_STP: scb->abort_task.proto_conn_rate = (1 << 5); /* STP */ break; - case SAS_PROTO_SSP: + case SAS_PROTOCOL_SSP: scb->abort_task.proto_conn_rate = (1 << 4); /* SSP */ scb->abort_task.proto_conn_rate |= task->dev->linkrate; break; - case SAS_PROTO_SMP: + case SAS_PROTOCOL_SMP: break; default: break; } - if (task->task_proto == SAS_PROTO_SSP) { + if (task->task_proto == SAS_PROTOCOL_SSP) { scb->abort_task.ssp_frame.frame_type = SSP_TASK; memcpy(scb->abort_task.ssp_frame.hashed_dest_addr, task->dev->hashed_sas_addr, HASHED_SAS_ADDR_SIZE); @@ -512,7 +512,7 @@ static int asd_initiate_ssp_tmf(struct domain_device *dev, u8 *lun, int res = 1; struct scb *scb; - if (!(dev->tproto & SAS_PROTO_SSP)) + if (!(dev->tproto & SAS_PROTOCOL_SSP)) return TMF_RESP_FUNC_ESUPP; ascb = asd_ascb_alloc_list(asd_ha, &res, GFP_KERNEL); diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index d466a2dac1db..d80dba913a75 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -634,9 +634,9 @@ static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) pcmd->result = DID_OK << 16; if (sensebuffer) { int sense_data_length = - sizeof(struct SENSE_DATA) < sizeof(pcmd->sense_buffer) - ? sizeof(struct SENSE_DATA) : sizeof(pcmd->sense_buffer); - memset(sensebuffer, 0, sizeof(pcmd->sense_buffer)); + sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE + ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; + memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; sensebuffer->Valid = 1; diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c index a9680b5e8ac6..93b61f148653 100644 --- a/drivers/scsi/atari_NCR5380.c +++ b/drivers/scsi/atari_NCR5380.c @@ -511,9 +511,9 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd) * various queues are valid. */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *)cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; /* ++roman: Try to merge some scatter-buffers if they are at @@ -523,8 +523,8 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd) } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *)cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } } @@ -936,21 +936,21 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *)) } # endif # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { case WRITE: case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingw++; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingr++; break; } @@ -1352,21 +1352,21 @@ static irqreturn_t NCR5380_intr(int irq, void *dev_id) static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd *cmd) { # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { case WRITE: case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingw--; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingr--; break; } @@ -1868,7 +1868,7 @@ static int do_abort(struct Scsi_Host *host) * the target sees, so we just handshake. */ - while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ) + while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ)) ; NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp)); diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index fec58cc47f1c..db6de5e6afb3 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -471,18 +471,8 @@ go_42: /* * Complete the command */ - if (workreq->use_sg) { - pci_unmap_sg(dev->pdev, - (struct scatterlist *)workreq->request_buffer, - workreq->use_sg, - workreq->sc_data_direction); - } else if (workreq->request_bufflen && - workreq->sc_data_direction != DMA_NONE) { - pci_unmap_single(dev->pdev, - workreq->SCp.dma_handle, - workreq->request_bufflen, - workreq->sc_data_direction); - } + scsi_dma_unmap(workreq); + spin_lock_irqsave(dev->host->host_lock, flags); (*workreq->scsi_done) (workreq); #ifdef ED_DBGP @@ -624,7 +614,7 @@ static int atp870u_queuecommand(struct scsi_cmnd * req_p, c = scmd_channel(req_p); req_p->sense_buffer[0]=0; - req_p->resid = 0; + scsi_set_resid(req_p, 0); if (scmd_channel(req_p) > 1) { req_p->result = 0x00040000; done(req_p); @@ -722,7 +712,6 @@ static void send_s870(struct atp_unit *dev,unsigned char c) unsigned short int tmpcip, w; unsigned long l, bttl = 0; unsigned int workport; - struct scatterlist *sgpnt; unsigned long sg_count; if (dev->in_snd[c] != 0) { @@ -793,6 +782,8 @@ oktosend: } printk("\n"); #endif + l = scsi_bufflen(workreq); + if (dev->dev_id == ATP885_DEVID) { j = inb(dev->baseport + 0x29) & 0xfe; outb(j, dev->baseport + 0x29); @@ -800,12 +791,11 @@ oktosend: } if (workreq->cmnd[0] == READ_CAPACITY) { - if (workreq->request_bufflen > 8) { - workreq->request_bufflen = 0x08; - } + if (l > 8) + l = 8; } if (workreq->cmnd[0] == 0x00) { - workreq->request_bufflen = 0; + l = 0; } tmport = workport + 0x1b; @@ -852,40 +842,8 @@ oktosend: #ifdef ED_DBGP printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,dev->id[c][target_id].devsp); #endif - /* - * Figure out the transfer size - */ - if (workreq->use_sg) { -#ifdef ED_DBGP - printk("Using SGL\n"); -#endif - l = 0; - - sgpnt = (struct scatterlist *) workreq->request_buffer; - sg_count = pci_map_sg(dev->pdev, sgpnt, workreq->use_sg, - workreq->sc_data_direction); - - for (i = 0; i < workreq->use_sg; i++) { - if (sgpnt[i].length == 0 || workreq->use_sg > ATP870U_SCATTER) { - panic("Foooooooood fight!"); - } - l += sgpnt[i].length; - } -#ifdef ED_DBGP - printk( "send_s870: workreq->use_sg %d, sg_count %d l %8ld\n", workreq->use_sg, sg_count, l); -#endif - } else if(workreq->request_bufflen && workreq->sc_data_direction != PCI_DMA_NONE) { -#ifdef ED_DBGP - printk("Not using SGL\n"); -#endif - workreq->SCp.dma_handle = pci_map_single(dev->pdev, workreq->request_buffer, - workreq->request_bufflen, - workreq->sc_data_direction); - l = workreq->request_bufflen; -#ifdef ED_DBGP - printk( "send_s870: workreq->use_sg %d, l %8ld\n", workreq->use_sg, l); -#endif - } else l = 0; + + sg_count = scsi_dma_map(workreq); /* * Write transfer size */ @@ -938,16 +896,16 @@ oktosend: * a linear chain. */ - if (workreq->use_sg) { - sgpnt = (struct scatterlist *) workreq->request_buffer; + if (l) { + struct scatterlist *sgpnt; i = 0; - for (j = 0; j < workreq->use_sg; j++) { - bttl = sg_dma_address(&sgpnt[j]); - l=sg_dma_len(&sgpnt[j]); + scsi_for_each_sg(workreq, sgpnt, sg_count, j) { + bttl = sg_dma_address(sgpnt); + l=sg_dma_len(sgpnt); #ifdef ED_DBGP - printk("1. bttl %x, l %x\n",bttl, l); + printk("1. bttl %x, l %x\n",bttl, l); #endif - while (l > 0x10000) { + while (l > 0x10000) { (((u16 *) (prd))[i + 3]) = 0x0000; (((u16 *) (prd))[i + 2]) = 0x0000; (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); @@ -965,32 +923,6 @@ oktosend: printk("prd %4x %4x %4x %4x\n",(((unsigned short int *)prd)[0]),(((unsigned short int *)prd)[1]),(((unsigned short int *)prd)[2]),(((unsigned short int *)prd)[3])); printk("2. bttl %x, l %x\n",bttl, l); #endif - } else { - /* - * For a linear request write a chain of blocks - */ - bttl = workreq->SCp.dma_handle; - l = workreq->request_bufflen; - i = 0; -#ifdef ED_DBGP - printk("3. bttl %x, l %x\n",bttl, l); -#endif - while (l > 0x10000) { - (((u16 *) (prd))[i + 3]) = 0x0000; - (((u16 *) (prd))[i + 2]) = 0x0000; - (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); - l -= 0x10000; - bttl += 0x10000; - i += 0x04; - } - (((u16 *) (prd))[i + 3]) = cpu_to_le16(0x8000); - (((u16 *) (prd))[i + 2]) = cpu_to_le16(l); - (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); -#ifdef ED_DBGP - printk("prd %4x %4x %4x %4x\n",(((unsigned short int *)prd)[0]),(((unsigned short int *)prd)[1]),(((unsigned short int *)prd)[2]),(((unsigned short int *)prd)[3])); - printk("4. bttl %x, l %x\n",bttl, l); -#endif - } tmpcip += 4; #ifdef ED_DBGP diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 2311019304c0..7aad15436d24 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -21,6 +21,7 @@ #include <linux/compat.h> #include <linux/chio.h> /* here are all the ioctls */ #include <linux/mutex.h> +#include <linux/idr.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -33,6 +34,7 @@ #define CH_DT_MAX 16 #define CH_TYPES 8 +#define CH_MAX_DEVS 128 MODULE_DESCRIPTION("device driver for scsi media changer devices"); MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org>"); @@ -88,17 +90,6 @@ static const char * vendor_labels[CH_TYPES-4] = { #define MAX_RETRIES 1 -static int ch_probe(struct device *); -static int ch_remove(struct device *); -static int ch_open(struct inode * inode, struct file * filp); -static int ch_release(struct inode * inode, struct file * filp); -static int ch_ioctl(struct inode * inode, struct file * filp, - unsigned int cmd, unsigned long arg); -#ifdef CONFIG_COMPAT -static long ch_ioctl_compat(struct file * filp, - unsigned int cmd, unsigned long arg); -#endif - static struct class * ch_sysfs_class; typedef struct { @@ -114,30 +105,8 @@ typedef struct { struct mutex lock; } scsi_changer; -static LIST_HEAD(ch_devlist); -static DEFINE_SPINLOCK(ch_devlist_lock); -static int ch_devcount; - -static struct scsi_driver ch_template = -{ - .owner = THIS_MODULE, - .gendrv = { - .name = "ch", - .probe = ch_probe, - .remove = ch_remove, - }, -}; - -static const struct file_operations changer_fops = -{ - .owner = THIS_MODULE, - .open = ch_open, - .release = ch_release, - .ioctl = ch_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = ch_ioctl_compat, -#endif -}; +static DEFINE_IDR(ch_index_idr); +static DEFINE_SPINLOCK(ch_index_lock); static const struct { unsigned char sense; @@ -207,7 +176,7 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd, { int errno, retries = 0, timeout, result; struct scsi_sense_hdr sshdr; - + timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS) ? timeout_init : timeout_move; @@ -245,7 +214,7 @@ static int ch_elem_to_typecode(scsi_changer *ch, u_int elem) { int i; - + for (i = 0; i < CH_TYPES; i++) { if (elem >= ch->firsts[i] && elem < ch->firsts[i] + @@ -261,15 +230,15 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data) u_char cmd[12]; u_char *buffer; int result; - + buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); if(!buffer) return -ENOMEM; - + retry: memset(cmd,0,sizeof(cmd)); cmd[0] = READ_ELEMENT_STATUS; - cmd[1] = (ch->device->lun << 5) | + cmd[1] = (ch->device->lun << 5) | (ch->voltags ? 0x10 : 0) | ch_elem_to_typecode(ch,elem); cmd[2] = (elem >> 8) & 0xff; @@ -296,7 +265,7 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data) return result; } -static int +static int ch_init_elem(scsi_changer *ch) { int err; @@ -322,7 +291,7 @@ ch_readconfig(scsi_changer *ch) buffer = kzalloc(512, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; - + memset(cmd,0,sizeof(cmd)); cmd[0] = MODE_SENSE; cmd[1] = ch->device->lun << 5; @@ -365,7 +334,7 @@ ch_readconfig(scsi_changer *ch) } else { vprintk("reading element address assigment page failed!\n"); } - + /* vendor specific element types */ for (i = 0; i < 4; i++) { if (0 == vendor_counts[i]) @@ -443,7 +412,7 @@ static int ch_position(scsi_changer *ch, u_int trans, u_int elem, int rotate) { u_char cmd[10]; - + dprintk("position: 0x%x\n",elem); if (0 == trans) trans = ch->firsts[CHET_MT]; @@ -462,7 +431,7 @@ static int ch_move(scsi_changer *ch, u_int trans, u_int src, u_int dest, int rotate) { u_char cmd[12]; - + dprintk("move: 0x%x => 0x%x\n",src,dest); if (0 == trans) trans = ch->firsts[CHET_MT]; @@ -484,7 +453,7 @@ ch_exchange(scsi_changer *ch, u_int trans, u_int src, u_int dest1, u_int dest2, int rotate1, int rotate2) { u_char cmd[12]; - + dprintk("exchange: 0x%x => 0x%x => 0x%x\n", src,dest1,dest2); if (0 == trans) @@ -501,7 +470,7 @@ ch_exchange(scsi_changer *ch, u_int trans, u_int src, cmd[8] = (dest2 >> 8) & 0xff; cmd[9] = dest2 & 0xff; cmd[10] = (rotate1 ? 1 : 0) | (rotate2 ? 2 : 0); - + return ch_do_scsi(ch, cmd, NULL,0, DMA_NONE); } @@ -539,14 +508,14 @@ ch_set_voltag(scsi_changer *ch, u_int elem, elem, tag); memset(cmd,0,sizeof(cmd)); cmd[0] = SEND_VOLUME_TAG; - cmd[1] = (ch->device->lun << 5) | + cmd[1] = (ch->device->lun << 5) | ch_elem_to_typecode(ch,elem); cmd[2] = (elem >> 8) & 0xff; cmd[3] = elem & 0xff; cmd[5] = clear ? (alternate ? 0x0d : 0x0c) : (alternate ? 0x0b : 0x0a); - + cmd[9] = 255; memcpy(buffer,tag,32); @@ -562,7 +531,7 @@ static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest) int retval = 0; u_char data[16]; unsigned int i; - + mutex_lock(&ch->lock); for (i = 0; i < ch->counts[type]; i++) { if (0 != ch_read_element_status @@ -599,20 +568,17 @@ ch_release(struct inode *inode, struct file *file) static int ch_open(struct inode *inode, struct file *file) { - scsi_changer *tmp, *ch; + scsi_changer *ch; int minor = iminor(inode); - spin_lock(&ch_devlist_lock); - ch = NULL; - list_for_each_entry(tmp,&ch_devlist,list) { - if (tmp->minor == minor) - ch = tmp; - } + spin_lock(&ch_index_lock); + ch = idr_find(&ch_index_idr, minor); + if (NULL == ch || scsi_device_get(ch->device)) { - spin_unlock(&ch_devlist_lock); + spin_unlock(&ch_index_lock); return -ENXIO; } - spin_unlock(&ch_devlist_lock); + spin_unlock(&ch_index_lock); file->private_data = ch; return 0; @@ -626,24 +592,24 @@ ch_checkrange(scsi_changer *ch, unsigned int type, unsigned int unit) return 0; } -static int ch_ioctl(struct inode * inode, struct file * file, +static long ch_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { scsi_changer *ch = file->private_data; int retval; void __user *argp = (void __user *)arg; - + switch (cmd) { case CHIOGPARAMS: { struct changer_params params; - + params.cp_curpicker = 0; params.cp_npickers = ch->counts[CHET_MT]; params.cp_nslots = ch->counts[CHET_ST]; params.cp_nportals = ch->counts[CHET_IE]; params.cp_ndrives = ch->counts[CHET_DT]; - + if (copy_to_user(argp, ¶ms, sizeof(params))) return -EFAULT; return 0; @@ -673,11 +639,11 @@ static int ch_ioctl(struct inode * inode, struct file * file, return -EFAULT; return 0; } - + case CHIOPOSITION: { struct changer_position pos; - + if (copy_from_user(&pos, argp, sizeof (pos))) return -EFAULT; @@ -692,7 +658,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, mutex_unlock(&ch->lock); return retval; } - + case CHIOMOVE: { struct changer_move mv; @@ -705,7 +671,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, dprintk("CHIOMOVE: invalid parameter\n"); return -EBADSLT; } - + mutex_lock(&ch->lock); retval = ch_move(ch,0, ch->firsts[mv.cm_fromtype] + mv.cm_fromunit, @@ -718,7 +684,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, case CHIOEXCHANGE: { struct changer_exchange mv; - + if (copy_from_user(&mv, argp, sizeof (mv))) return -EFAULT; @@ -728,7 +694,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, dprintk("CHIOEXCHANGE: invalid parameter\n"); return -EBADSLT; } - + mutex_lock(&ch->lock); retval = ch_exchange (ch,0, @@ -743,7 +709,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, case CHIOGSTATUS: { struct changer_element_status ces; - + if (copy_from_user(&ces, argp, sizeof (ces))) return -EFAULT; if (ces.ces_type < 0 || ces.ces_type >= CH_TYPES) @@ -759,19 +725,19 @@ static int ch_ioctl(struct inode * inode, struct file * file, u_char *buffer; unsigned int elem; int result,i; - + if (copy_from_user(&cge, argp, sizeof (cge))) return -EFAULT; if (0 != ch_checkrange(ch, cge.cge_type, cge.cge_unit)) return -EINVAL; elem = ch->firsts[cge.cge_type] + cge.cge_unit; - + buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); if (!buffer) return -ENOMEM; mutex_lock(&ch->lock); - + voltag_retry: memset(cmd,0,sizeof(cmd)); cmd[0] = READ_ELEMENT_STATUS; @@ -782,7 +748,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, cmd[3] = elem & 0xff; cmd[5] = 1; cmd[9] = 255; - + if (0 == (result = ch_do_scsi(ch, cmd, buffer, 256, DMA_FROM_DEVICE))) { cge.cge_status = buffer[18]; cge.cge_flags = 0; @@ -822,7 +788,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, } kfree(buffer); mutex_unlock(&ch->lock); - + if (copy_to_user(argp, &cge, sizeof (cge))) return -EFAULT; return result; @@ -835,7 +801,7 @@ static int ch_ioctl(struct inode * inode, struct file * file, mutex_unlock(&ch->lock); return retval; } - + case CHIOSVOLTAG: { struct changer_set_voltag csv; @@ -876,7 +842,7 @@ static long ch_ioctl_compat(struct file * file, unsigned int cmd, unsigned long arg) { scsi_changer *ch = file->private_data; - + switch (cmd) { case CHIOGPARAMS: case CHIOGVPARAMS: @@ -887,13 +853,12 @@ static long ch_ioctl_compat(struct file * file, case CHIOINITELEM: case CHIOSVOLTAG: /* compatible */ - return ch_ioctl(NULL /* inode, unused */, - file, cmd, arg); + return ch_ioctl(file, cmd, arg); case CHIOGSTATUS32: { struct changer_element_status32 ces32; unsigned char __user *data; - + if (copy_from_user(&ces32, (void __user *)arg, sizeof (ces32))) return -EFAULT; if (ces32.ces_type < 0 || ces32.ces_type >= CH_TYPES) @@ -915,63 +880,100 @@ static long ch_ioctl_compat(struct file * file, static int ch_probe(struct device *dev) { struct scsi_device *sd = to_scsi_device(dev); + struct class_device *class_dev; + int minor, ret = -ENOMEM; scsi_changer *ch; - + if (sd->type != TYPE_MEDIUM_CHANGER) return -ENODEV; - + ch = kzalloc(sizeof(*ch), GFP_KERNEL); if (NULL == ch) return -ENOMEM; - ch->minor = ch_devcount; + if (!idr_pre_get(&ch_index_idr, GFP_KERNEL)) + goto free_ch; + + spin_lock(&ch_index_lock); + ret = idr_get_new(&ch_index_idr, ch, &minor); + spin_unlock(&ch_index_lock); + + if (ret) + goto free_ch; + + if (minor > CH_MAX_DEVS) { + ret = -ENODEV; + goto remove_idr; + } + + ch->minor = minor; sprintf(ch->name,"ch%d",ch->minor); + + class_dev = class_device_create(ch_sysfs_class, NULL, + MKDEV(SCSI_CHANGER_MAJOR, ch->minor), + dev, "s%s", ch->name); + if (IS_ERR(class_dev)) { + printk(KERN_WARNING "ch%d: class_device_create failed\n", + ch->minor); + ret = PTR_ERR(class_dev); + goto remove_idr; + } + mutex_init(&ch->lock); ch->device = sd; ch_readconfig(ch); if (init) ch_init_elem(ch); - class_device_create(ch_sysfs_class, NULL, - MKDEV(SCSI_CHANGER_MAJOR,ch->minor), - dev, "s%s", ch->name); - + dev_set_drvdata(dev, ch); sdev_printk(KERN_INFO, sd, "Attached scsi changer %s\n", ch->name); - - spin_lock(&ch_devlist_lock); - list_add_tail(&ch->list,&ch_devlist); - ch_devcount++; - spin_unlock(&ch_devlist_lock); + return 0; +remove_idr: + idr_remove(&ch_index_idr, minor); +free_ch: + kfree(ch); + return ret; } static int ch_remove(struct device *dev) { - struct scsi_device *sd = to_scsi_device(dev); - scsi_changer *tmp, *ch; + scsi_changer *ch = dev_get_drvdata(dev); - spin_lock(&ch_devlist_lock); - ch = NULL; - list_for_each_entry(tmp,&ch_devlist,list) { - if (tmp->device == sd) - ch = tmp; - } - BUG_ON(NULL == ch); - list_del(&ch->list); - spin_unlock(&ch_devlist_lock); + spin_lock(&ch_index_lock); + idr_remove(&ch_index_idr, ch->minor); + spin_unlock(&ch_index_lock); class_device_destroy(ch_sysfs_class, MKDEV(SCSI_CHANGER_MAJOR,ch->minor)); kfree(ch->dt); kfree(ch); - ch_devcount--; return 0; } +static struct scsi_driver ch_template = { + .owner = THIS_MODULE, + .gendrv = { + .name = "ch", + .probe = ch_probe, + .remove = ch_remove, + }, +}; + +static const struct file_operations changer_fops = { + .owner = THIS_MODULE, + .open = ch_open, + .release = ch_release, + .unlocked_ioctl = ch_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = ch_ioctl_compat, +#endif +}; + static int __init init_ch_module(void) { int rc; - + printk(KERN_INFO "SCSI Media Changer driver v" VERSION " \n"); ch_sysfs_class = class_create(THIS_MODULE, "scsi_changer"); if (IS_ERR(ch_sysfs_class)) { @@ -996,11 +998,12 @@ static int __init init_ch_module(void) return rc; } -static void __exit exit_ch_module(void) +static void __exit exit_ch_module(void) { scsi_unregister_driver(&ch_template.gendrv); unregister_chrdev(SCSI_CHANGER_MAJOR, "ch"); class_destroy(ch_sysfs_class); + idr_destroy(&ch_index_idr); } module_init(init_ch_module); diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index 024553f9c247..403a7f2d8f9b 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -362,7 +362,6 @@ void scsi_print_command(struct scsi_cmnd *cmd) EXPORT_SYMBOL(scsi_print_command); /** - * * scsi_print_status - print scsi status description * @scsi_status: scsi status value * @@ -1369,7 +1368,7 @@ EXPORT_SYMBOL(scsi_print_sense); static const char * const hostbyte_table[]={ "DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET", "DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR", -"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY"}; +"DID_PASSTHROUGH", "DID_SOFT_ERROR", "DID_IMM_RETRY", "DID_REQUEUE"}; #define NUM_HOSTBYTE_STRS ARRAY_SIZE(hostbyte_table) static const char * const driverbyte_table[]={ diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index a9def6e1d30e..f93c73c0ba53 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -1629,8 +1629,7 @@ static u8 start_scsi(struct AdapterCtlBlk* acb, struct DeviceCtlBlk* dcb, DC395x_write8(acb, TRM_S1040_SCSI_FIFO, (dcb->target_lun << 5)); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); - DC395x_write8(acb, TRM_S1040_SCSI_FIFO, - sizeof(srb->cmd->sense_buffer)); + DC395x_write8(acb, TRM_S1040_SCSI_FIFO, SCSI_SENSE_BUFFERSIZE); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); } else { ptr = (u8 *)srb->cmd->cmnd; @@ -1915,8 +1914,7 @@ static void command_phase1(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb, DC395x_write8(acb, TRM_S1040_SCSI_FIFO, (dcb->target_lun << 5)); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); - DC395x_write8(acb, TRM_S1040_SCSI_FIFO, - sizeof(srb->cmd->sense_buffer)); + DC395x_write8(acb, TRM_S1040_SCSI_FIFO, SCSI_SENSE_BUFFERSIZE); DC395x_write8(acb, TRM_S1040_SCSI_FIFO, 0); } srb->state |= SRB_COMMAND; @@ -3685,7 +3683,7 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb, srb->target_status = 0; /* KG: Can this prevent crap sense data ? */ - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); /* Save some data */ srb->segment_x[DC395x_MAX_SG_LISTENTRY - 1].address = @@ -3694,15 +3692,15 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb, srb->segment_x[0].length; srb->xferred = srb->total_xfer_length; /* srb->segment_x : a one entry of S/G list table */ - srb->total_xfer_length = sizeof(cmd->sense_buffer); - srb->segment_x[0].length = sizeof(cmd->sense_buffer); + srb->total_xfer_length = SCSI_SENSE_BUFFERSIZE; + srb->segment_x[0].length = SCSI_SENSE_BUFFERSIZE; /* Map sense buffer */ srb->segment_x[0].address = pci_map_single(acb->dev, cmd->sense_buffer, - sizeof(cmd->sense_buffer), PCI_DMA_FROMDEVICE); + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE); dprintkdbg(DBG_SG, "request_sense: map buffer %p->%08x(%05x)\n", cmd->sense_buffer, srb->segment_x[0].address, - sizeof(cmd->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); srb->sg_count = 1; srb->sg_index = 0; diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index b31d1c95c9fb..19cce125124c 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -2296,9 +2296,8 @@ static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd) // copy over the request sense data if it was a check // condition status - if(dev_status == 0x02 /*CHECK_CONDITION*/) { - u32 len = sizeof(cmd->sense_buffer); - len = (len > 40) ? 40 : len; + if (dev_status == SAM_STAT_CHECK_CONDITION) { + u32 len = min(SCSI_SENSE_BUFFERSIZE, 40); // Copy over the sense data memcpy_fromio(cmd->sense_buffer, (reply+28) , len); if(cmd->sense_buffer[0] == 0x70 /* class 7 */ && diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c index 7ead5210de96..05163cefec12 100644 --- a/drivers/scsi/eata.c +++ b/drivers/scsi/eata.c @@ -1623,9 +1623,9 @@ static void map_dma(unsigned int i, struct hostdata *ha) if (SCpnt->sense_buffer) cpp->sense_addr = H2DEV(pci_map_single(ha->pdev, SCpnt->sense_buffer, - sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE)); + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE)); - cpp->sense_len = sizeof SCpnt->sense_buffer; + cpp->sense_len = SCSI_SENSE_BUFFERSIZE; count = scsi_dma_map(SCpnt); BUG_ON(count < 0); diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c index 982c5092be11..b5a60926e556 100644 --- a/drivers/scsi/eata_pio.c +++ b/drivers/scsi/eata_pio.c @@ -369,7 +369,6 @@ static int eata_pio_queue(struct scsi_cmnd *cmd, cp = &hd->ccb[y]; memset(cp, 0, sizeof(struct eata_ccb)); - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); cp->status = USED; /* claim free slot */ @@ -385,7 +384,7 @@ static int eata_pio_queue(struct scsi_cmnd *cmd, cp->DataIn = 0; /* Input mode */ cp->Interpret = (cmd->device->id == hd->hostid); - cp->cp_datalen = cpu_to_be32(cmd->request_bufflen); + cp->cp_datalen = cpu_to_be32(scsi_bufflen(cmd)); cp->Auto_Req_Sen = 0; cp->cp_reqDMA = 0; cp->reqlen = 0; @@ -402,14 +401,14 @@ static int eata_pio_queue(struct scsi_cmnd *cmd, cp->cmd = cmd; cmd->host_scribble = (char *) &hd->ccb[y]; - if (cmd->use_sg == 0) { + if (!scsi_bufflen(cmd)) { cmd->SCp.buffers_residual = 1; - cmd->SCp.ptr = cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; cmd->SCp.buffer = NULL; } else { - cmd->SCp.buffer = cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg; + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd); cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index 8335b608e571..85bd54c77b50 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -1017,24 +1017,6 @@ static irqreturn_t fd_mcs_intr(int irq, void *dev_id) printk(" ** IN DONE %d ** ", current_SC->SCp.have_data_in); #endif -#if ERRORS_ONLY - if (current_SC->cmnd[0] == REQUEST_SENSE && !current_SC->SCp.Status) { - if ((unsigned char) (*((char *) current_SC->request_buffer + 2)) & 0x0f) { - unsigned char key; - unsigned char code; - unsigned char qualifier; - - key = (unsigned char) (*((char *) current_SC->request_buffer + 2)) & 0x0f; - code = (unsigned char) (*((char *) current_SC->request_buffer + 12)); - qualifier = (unsigned char) (*((char *) current_SC->request_buffer + 13)); - - if (key != UNIT_ATTENTION && !(key == NOT_READY && code == 0x04 && (!qualifier || qualifier == 0x02 || qualifier == 0x01)) - && !(key == ILLEGAL_REQUEST && (code == 0x25 || code == 0x24 || !code))) - - printk("fd_mcs: REQUEST SENSE " "Key = %x, Code = %x, Qualifier = %x\n", key, code, qualifier); - } - } -#endif #if EVERY_ACCESS printk("BEFORE MY_DONE. . ."); #endif @@ -1097,7 +1079,9 @@ static int fd_mcs_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) panic("fd_mcs: fd_mcs_queue() NOT REENTRANT!\n"); } #if EVERY_ACCESS - printk("queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n", SCpnt->target, *(unsigned char *) SCpnt->cmnd, SCpnt->use_sg, SCpnt->request_bufflen); + printk("queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n", + SCpnt->target, *(unsigned char *) SCpnt->cmnd, + scsi_sg_count(SCpnt), scsi_bufflen(SCpnt)); #endif fd_mcs_make_bus_idle(shpnt); @@ -1107,14 +1091,14 @@ static int fd_mcs_queue(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *)) /* Initialize static data */ - if (current_SC->use_sg) { - current_SC->SCp.buffer = (struct scatterlist *) current_SC->request_buffer; + if (scsi_bufflen(current_SC)) { + current_SC->SCp.buffer = scsi_sglist(current_SC); current_SC->SCp.ptr = sg_virt(current_SC->SCp.buffer); current_SC->SCp.this_residual = current_SC->SCp.buffer->length; - current_SC->SCp.buffers_residual = current_SC->use_sg - 1; + current_SC->SCp.buffers_residual = scsi_sg_count(current_SC) - 1; } else { - current_SC->SCp.ptr = (char *) current_SC->request_buffer; - current_SC->SCp.this_residual = current_SC->request_bufflen; + current_SC->SCp.ptr = NULL; + current_SC->SCp.this_residual = 0; current_SC->SCp.buffer = NULL; current_SC->SCp.buffers_residual = 0; } @@ -1166,7 +1150,9 @@ static void fd_mcs_print_info(Scsi_Cmnd * SCpnt) break; } - printk("(%d), target = %d cmnd = 0x%02x pieces = %d size = %u\n", SCpnt->SCp.phase, SCpnt->device->id, *(unsigned char *) SCpnt->cmnd, SCpnt->use_sg, SCpnt->request_bufflen); + printk("(%d), target = %d cmnd = 0x%02x pieces = %d size = %u\n", + SCpnt->SCp.phase, SCpnt->device->id, *(unsigned char *) SCpnt->cmnd, + scsi_sg_count(SCpnt), scsi_bufflen(SCpnt)); printk("sent_command = %d, have_data_in = %d, timeout = %d\n", SCpnt->SCp.sent_command, SCpnt->SCp.have_data_in, SCpnt->timeout); #if DEBUG_RACE printk("in_interrupt_flag = %d\n", in_interrupt_flag); diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index b253b8c718d3..c82523908c2e 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -141,7 +141,7 @@ static void gdth_delay(int milliseconds); static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs); static irqreturn_t gdth_interrupt(int irq, void *dev_id); -static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int gdth_from_wait, int* pIndex); static int gdth_sync_event(gdth_ha_str *ha, int service, unchar index, Scsi_Cmnd *scp); @@ -165,7 +165,6 @@ static int gdth_internal_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp); static int gdth_fill_cache_cmd(gdth_ha_str *ha, Scsi_Cmnd *scp, ushort hdrive); static void gdth_enable_int(gdth_ha_str *ha); -static unchar gdth_get_status(gdth_ha_str *ha, int irq); static int gdth_test_busy(gdth_ha_str *ha); static int gdth_get_cmd_index(gdth_ha_str *ha); static void gdth_release_event(gdth_ha_str *ha); @@ -1334,14 +1333,12 @@ static void __init gdth_enable_int(gdth_ha_str *ha) } /* return IStatus if interrupt was from this card else 0 */ -static unchar gdth_get_status(gdth_ha_str *ha, int irq) +static unchar gdth_get_status(gdth_ha_str *ha) { unchar IStatus = 0; - TRACE(("gdth_get_status() irq %d ctr_count %d\n", irq, gdth_ctr_count)); + TRACE(("gdth_get_status() irq %d ctr_count %d\n", ha->irq, gdth_ctr_count)); - if (ha->irq != (unchar)irq) /* check IRQ */ - return false; if (ha->type == GDT_EISA) IStatus = inb((ushort)ha->bmic + EDOORREG); else if (ha->type == GDT_ISA) @@ -1523,7 +1520,7 @@ static int gdth_wait(gdth_ha_str *ha, int index, ulong32 time) return 1; /* no wait required */ do { - __gdth_interrupt(ha, (int)ha->irq, true, &wait_index); + __gdth_interrupt(ha, true, &wait_index); if (wait_index == index) { answer_found = TRUE; break; @@ -3036,7 +3033,7 @@ static void gdth_clear_events(void) /* SCSI interface functions */ -static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, +static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int gdth_from_wait, int* pIndex) { gdt6m_dpram_str __iomem *dp6m_ptr = NULL; @@ -3054,7 +3051,7 @@ static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, int act_int_coal = 0; #endif - TRACE(("gdth_interrupt() IRQ %d\n",irq)); + TRACE(("gdth_interrupt() IRQ %d\n", ha->irq)); /* if polling and not from gdth_wait() -> return */ if (gdth_polling) { @@ -3067,7 +3064,8 @@ static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, spin_lock_irqsave(&ha->smp_lock, flags); /* search controller */ - if (0 == (IStatus = gdth_get_status(ha, irq))) { + IStatus = gdth_get_status(ha); + if (IStatus == 0) { /* spurious interrupt */ if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); @@ -3294,9 +3292,9 @@ static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int irq, static irqreturn_t gdth_interrupt(int irq, void *dev_id) { - gdth_ha_str *ha = (gdth_ha_str *)dev_id; + gdth_ha_str *ha = dev_id; - return __gdth_interrupt(ha, irq, false, NULL); + return __gdth_interrupt(ha, false, NULL); } static int gdth_sync_event(gdth_ha_str *ha, int service, unchar index, diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 6325115e5b3d..5ea1f986220c 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -54,8 +54,7 @@ static struct class shost_class = { }; /** - * scsi_host_set_state - Take the given host through the host - * state model. + * scsi_host_set_state - Take the given host through the host state model. * @shost: scsi host to change the state of. * @state: state to change to. * @@ -440,7 +439,6 @@ static int __scsi_host_match(struct class_device *cdev, void *data) /** * scsi_host_lookup - get a reference to a Scsi_Host by host no - * * @hostnum: host number to locate * * Return value: diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c index 0844331abb87..e7b2f3575ce9 100644 --- a/drivers/scsi/hptiop.c +++ b/drivers/scsi/hptiop.c @@ -1,5 +1,5 @@ /* - * HighPoint RR3xxx controller driver for Linux + * HighPoint RR3xxx/4xxx controller driver for Linux * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify @@ -38,80 +38,84 @@ #include "hptiop.h" MODULE_AUTHOR("HighPoint Technologies, Inc."); -MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx SATA Controller Driver"); +MODULE_DESCRIPTION("HighPoint RocketRAID 3xxx/4xxx Controller Driver"); static char driver_name[] = "hptiop"; -static const char driver_name_long[] = "RocketRAID 3xxx SATA Controller driver"; -static const char driver_ver[] = "v1.2 (070830)"; - -static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 tag); -static void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag); +static const char driver_name_long[] = "RocketRAID 3xxx/4xxx Controller driver"; +static const char driver_ver[] = "v1.3 (071203)"; + +static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec); +static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, + struct hpt_iop_request_scsi_command *req); +static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 tag); +static void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag); static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg); -static inline void hptiop_pci_posting_flush(struct hpt_iopmu __iomem *iop) -{ - readl(&iop->outbound_intstatus); -} - -static int iop_wait_ready(struct hpt_iopmu __iomem *iop, u32 millisec) +static int iop_wait_ready_itl(struct hptiop_hba *hba, u32 millisec) { u32 req = 0; int i; for (i = 0; i < millisec; i++) { - req = readl(&iop->inbound_queue); + req = readl(&hba->u.itl.iop->inbound_queue); if (req != IOPMU_QUEUE_EMPTY) break; msleep(1); } if (req != IOPMU_QUEUE_EMPTY) { - writel(req, &iop->outbound_queue); - hptiop_pci_posting_flush(iop); + writel(req, &hba->u.itl.iop->outbound_queue); + readl(&hba->u.itl.iop->outbound_intstatus); return 0; } return -1; } -static void hptiop_request_callback(struct hptiop_hba *hba, u32 tag) +static int iop_wait_ready_mv(struct hptiop_hba *hba, u32 millisec) +{ + return iop_send_sync_msg(hba, IOPMU_INBOUND_MSG0_NOP, millisec); +} + +static void hptiop_request_callback_itl(struct hptiop_hba *hba, u32 tag) { if (tag & IOPMU_QUEUE_ADDR_HOST_BIT) - return hptiop_host_request_callback(hba, + hptiop_host_request_callback_itl(hba, tag & ~IOPMU_QUEUE_ADDR_HOST_BIT); else - return hptiop_iop_request_callback(hba, tag); + hptiop_iop_request_callback_itl(hba, tag); } -static inline void hptiop_drain_outbound_queue(struct hptiop_hba *hba) +static void hptiop_drain_outbound_queue_itl(struct hptiop_hba *hba) { u32 req; - while ((req = readl(&hba->iop->outbound_queue)) != IOPMU_QUEUE_EMPTY) { + while ((req = readl(&hba->u.itl.iop->outbound_queue)) != + IOPMU_QUEUE_EMPTY) { if (req & IOPMU_QUEUE_MASK_HOST_BITS) - hptiop_request_callback(hba, req); + hptiop_request_callback_itl(hba, req); else { struct hpt_iop_request_header __iomem * p; p = (struct hpt_iop_request_header __iomem *) - ((char __iomem *)hba->iop + req); + ((char __iomem *)hba->u.itl.iop + req); if (readl(&p->flags) & IOP_REQUEST_FLAG_SYNC_REQUEST) { if (readl(&p->context)) - hptiop_request_callback(hba, req); + hptiop_request_callback_itl(hba, req); else writel(1, &p->context); } else - hptiop_request_callback(hba, req); + hptiop_request_callback_itl(hba, req); } } } -static int __iop_intr(struct hptiop_hba *hba) +static int iop_intr_itl(struct hptiop_hba *hba) { - struct hpt_iopmu __iomem *iop = hba->iop; + struct hpt_iopmu_itl __iomem *iop = hba->u.itl.iop; u32 status; int ret = 0; @@ -119,6 +123,7 @@ static int __iop_intr(struct hptiop_hba *hba) if (status & IOPMU_OUTBOUND_INT_MSG0) { u32 msg = readl(&iop->outbound_msgaddr0); + dprintk("received outbound msg %x\n", msg); writel(IOPMU_OUTBOUND_INT_MSG0, &iop->outbound_intstatus); hptiop_message_callback(hba, msg); @@ -126,31 +131,115 @@ static int __iop_intr(struct hptiop_hba *hba) } if (status & IOPMU_OUTBOUND_INT_POSTQUEUE) { - hptiop_drain_outbound_queue(hba); + hptiop_drain_outbound_queue_itl(hba); + ret = 1; + } + + return ret; +} + +static u64 mv_outbound_read(struct hpt_iopmu_mv __iomem *mu) +{ + u32 outbound_tail = readl(&mu->outbound_tail); + u32 outbound_head = readl(&mu->outbound_head); + + if (outbound_tail != outbound_head) { + u64 p; + + memcpy_fromio(&p, &mu->outbound_q[mu->outbound_tail], 8); + outbound_tail++; + + if (outbound_tail == MVIOP_QUEUE_LEN) + outbound_tail = 0; + writel(outbound_tail, &mu->outbound_tail); + return p; + } else + return 0; +} + +static void mv_inbound_write(u64 p, struct hptiop_hba *hba) +{ + u32 inbound_head = readl(&hba->u.mv.mu->inbound_head); + u32 head = inbound_head + 1; + + if (head == MVIOP_QUEUE_LEN) + head = 0; + + memcpy_toio(&hba->u.mv.mu->inbound_q[inbound_head], &p, 8); + writel(head, &hba->u.mv.mu->inbound_head); + writel(MVIOP_MU_INBOUND_INT_POSTQUEUE, + &hba->u.mv.regs->inbound_doorbell); +} + +static void hptiop_request_callback_mv(struct hptiop_hba *hba, u64 tag) +{ + u32 req_type = (tag >> 5) & 0x7; + struct hpt_iop_request_scsi_command *req; + + dprintk("hptiop_request_callback_mv: tag=%llx\n", tag); + + BUG_ON((tag & MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT) == 0); + + switch (req_type) { + case IOP_REQUEST_TYPE_GET_CONFIG: + case IOP_REQUEST_TYPE_SET_CONFIG: + hba->msg_done = 1; + break; + + case IOP_REQUEST_TYPE_SCSI_COMMAND: + req = hba->reqs[tag >> 8].req_virt; + if (likely(tag & MVIOP_MU_QUEUE_REQUEST_RESULT_BIT)) + req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); + + hptiop_finish_scsi_req(hba, tag>>8, req); + break; + + default: + break; + } +} + +static int iop_intr_mv(struct hptiop_hba *hba) +{ + u32 status; + int ret = 0; + + status = readl(&hba->u.mv.regs->outbound_doorbell); + writel(~status, &hba->u.mv.regs->outbound_doorbell); + + if (status & MVIOP_MU_OUTBOUND_INT_MSG) { + u32 msg; + msg = readl(&hba->u.mv.mu->outbound_msg); + dprintk("received outbound msg %x\n", msg); + hptiop_message_callback(hba, msg); + ret = 1; + } + + if (status & MVIOP_MU_OUTBOUND_INT_POSTQUEUE) { + u64 tag; + + while ((tag = mv_outbound_read(hba->u.mv.mu))) + hptiop_request_callback_mv(hba, tag); ret = 1; } return ret; } -static int iop_send_sync_request(struct hptiop_hba *hba, +static int iop_send_sync_request_itl(struct hptiop_hba *hba, void __iomem *_req, u32 millisec) { struct hpt_iop_request_header __iomem *req = _req; u32 i; - writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, - &req->flags); - + writel(readl(&req->flags) | IOP_REQUEST_FLAG_SYNC_REQUEST, &req->flags); writel(0, &req->context); - - writel((unsigned long)req - (unsigned long)hba->iop, - &hba->iop->inbound_queue); - - hptiop_pci_posting_flush(hba->iop); + writel((unsigned long)req - (unsigned long)hba->u.itl.iop, + &hba->u.itl.iop->inbound_queue); + readl(&hba->u.itl.iop->outbound_intstatus); for (i = 0; i < millisec; i++) { - __iop_intr(hba); + iop_intr_itl(hba); if (readl(&req->context)) return 0; msleep(1); @@ -159,19 +248,49 @@ static int iop_send_sync_request(struct hptiop_hba *hba, return -1; } -static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) +static int iop_send_sync_request_mv(struct hptiop_hba *hba, + u32 size_bits, u32 millisec) { + struct hpt_iop_request_header *reqhdr = hba->u.mv.internal_req; u32 i; hba->msg_done = 0; + reqhdr->flags |= cpu_to_le32(IOP_REQUEST_FLAG_SYNC_REQUEST); + mv_inbound_write(hba->u.mv.internal_req_phy | + MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bits, hba); + + for (i = 0; i < millisec; i++) { + iop_intr_mv(hba); + if (hba->msg_done) + return 0; + msleep(1); + } + return -1; +} + +static void hptiop_post_msg_itl(struct hptiop_hba *hba, u32 msg) +{ + writel(msg, &hba->u.itl.iop->inbound_msgaddr0); + readl(&hba->u.itl.iop->outbound_intstatus); +} + +static void hptiop_post_msg_mv(struct hptiop_hba *hba, u32 msg) +{ + writel(msg, &hba->u.mv.mu->inbound_msg); + writel(MVIOP_MU_INBOUND_INT_MSG, &hba->u.mv.regs->inbound_doorbell); + readl(&hba->u.mv.regs->inbound_doorbell); +} - writel(msg, &hba->iop->inbound_msgaddr0); +static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) +{ + u32 i; - hptiop_pci_posting_flush(hba->iop); + hba->msg_done = 0; + hba->ops->post_msg(hba, msg); for (i = 0; i < millisec; i++) { spin_lock_irq(hba->host->host_lock); - __iop_intr(hba); + hba->ops->iop_intr(hba); spin_unlock_irq(hba->host->host_lock); if (hba->msg_done) break; @@ -181,46 +300,67 @@ static int iop_send_sync_msg(struct hptiop_hba *hba, u32 msg, u32 millisec) return hba->msg_done? 0 : -1; } -static int iop_get_config(struct hptiop_hba *hba, +static int iop_get_config_itl(struct hptiop_hba *hba, struct hpt_iop_request_get_config *config) { u32 req32; struct hpt_iop_request_get_config __iomem *req; - req32 = readl(&hba->iop->inbound_queue); + req32 = readl(&hba->u.itl.iop->inbound_queue); if (req32 == IOPMU_QUEUE_EMPTY) return -1; req = (struct hpt_iop_request_get_config __iomem *) - ((unsigned long)hba->iop + req32); + ((unsigned long)hba->u.itl.iop + req32); writel(0, &req->header.flags); writel(IOP_REQUEST_TYPE_GET_CONFIG, &req->header.type); writel(sizeof(struct hpt_iop_request_get_config), &req->header.size); writel(IOP_RESULT_PENDING, &req->header.result); - if (iop_send_sync_request(hba, req, 20000)) { + if (iop_send_sync_request_itl(hba, req, 20000)) { dprintk("Get config send cmd failed\n"); return -1; } memcpy_fromio(config, req, sizeof(*config)); - writel(req32, &hba->iop->outbound_queue); + writel(req32, &hba->u.itl.iop->outbound_queue); + return 0; +} + +static int iop_get_config_mv(struct hptiop_hba *hba, + struct hpt_iop_request_get_config *config) +{ + struct hpt_iop_request_get_config *req = hba->u.mv.internal_req; + + req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); + req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_GET_CONFIG); + req->header.size = + cpu_to_le32(sizeof(struct hpt_iop_request_get_config)); + req->header.result = cpu_to_le32(IOP_RESULT_PENDING); + req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_GET_CONFIG<<5); + + if (iop_send_sync_request_mv(hba, 0, 20000)) { + dprintk("Get config send cmd failed\n"); + return -1; + } + + memcpy(config, req, sizeof(struct hpt_iop_request_get_config)); return 0; } -static int iop_set_config(struct hptiop_hba *hba, +static int iop_set_config_itl(struct hptiop_hba *hba, struct hpt_iop_request_set_config *config) { u32 req32; struct hpt_iop_request_set_config __iomem *req; - req32 = readl(&hba->iop->inbound_queue); + req32 = readl(&hba->u.itl.iop->inbound_queue); if (req32 == IOPMU_QUEUE_EMPTY) return -1; req = (struct hpt_iop_request_set_config __iomem *) - ((unsigned long)hba->iop + req32); + ((unsigned long)hba->u.itl.iop + req32); memcpy_toio((u8 __iomem *)req + sizeof(struct hpt_iop_request_header), (u8 *)config + sizeof(struct hpt_iop_request_header), @@ -232,22 +372,52 @@ static int iop_set_config(struct hptiop_hba *hba, writel(sizeof(struct hpt_iop_request_set_config), &req->header.size); writel(IOP_RESULT_PENDING, &req->header.result); - if (iop_send_sync_request(hba, req, 20000)) { + if (iop_send_sync_request_itl(hba, req, 20000)) { dprintk("Set config send cmd failed\n"); return -1; } - writel(req32, &hba->iop->outbound_queue); + writel(req32, &hba->u.itl.iop->outbound_queue); return 0; } -static int hptiop_initialize_iop(struct hptiop_hba *hba) +static int iop_set_config_mv(struct hptiop_hba *hba, + struct hpt_iop_request_set_config *config) { - struct hpt_iopmu __iomem *iop = hba->iop; + struct hpt_iop_request_set_config *req = hba->u.mv.internal_req; - /* enable interrupts */ + memcpy(req, config, sizeof(struct hpt_iop_request_set_config)); + req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); + req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SET_CONFIG); + req->header.size = + cpu_to_le32(sizeof(struct hpt_iop_request_set_config)); + req->header.result = cpu_to_le32(IOP_RESULT_PENDING); + req->header.context = cpu_to_le64(IOP_REQUEST_TYPE_SET_CONFIG<<5); + + if (iop_send_sync_request_mv(hba, 0, 20000)) { + dprintk("Set config send cmd failed\n"); + return -1; + } + + return 0; +} + +static void hptiop_enable_intr_itl(struct hptiop_hba *hba) +{ writel(~(IOPMU_OUTBOUND_INT_POSTQUEUE | IOPMU_OUTBOUND_INT_MSG0), - &iop->outbound_intmask); + &hba->u.itl.iop->outbound_intmask); +} + +static void hptiop_enable_intr_mv(struct hptiop_hba *hba) +{ + writel(MVIOP_MU_OUTBOUND_INT_POSTQUEUE | MVIOP_MU_OUTBOUND_INT_MSG, + &hba->u.mv.regs->outbound_intmask); +} + +static int hptiop_initialize_iop(struct hptiop_hba *hba) +{ + /* enable interrupts */ + hba->ops->enable_intr(hba); hba->initialized = 1; @@ -261,37 +431,74 @@ static int hptiop_initialize_iop(struct hptiop_hba *hba) return 0; } -static int hptiop_map_pci_bar(struct hptiop_hba *hba) +static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index) { u32 mem_base_phy, length; void __iomem *mem_base_virt; + struct pci_dev *pcidev = hba->pcidev; - if (!(pci_resource_flags(pcidev, 0) & IORESOURCE_MEM)) { + + if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) { printk(KERN_ERR "scsi%d: pci resource invalid\n", hba->host->host_no); - return -1; + return 0; } - mem_base_phy = pci_resource_start(pcidev, 0); - length = pci_resource_len(pcidev, 0); + mem_base_phy = pci_resource_start(pcidev, index); + length = pci_resource_len(pcidev, index); mem_base_virt = ioremap(mem_base_phy, length); if (!mem_base_virt) { printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n", hba->host->host_no); + return 0; + } + return mem_base_virt; +} + +static int hptiop_map_pci_bar_itl(struct hptiop_hba *hba) +{ + hba->u.itl.iop = hptiop_map_pci_bar(hba, 0); + if (hba->u.itl.iop) + return 0; + else + return -1; +} + +static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba) +{ + iounmap(hba->u.itl.iop); +} + +static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba) +{ + hba->u.mv.regs = hptiop_map_pci_bar(hba, 0); + if (hba->u.mv.regs == 0) + return -1; + + hba->u.mv.mu = hptiop_map_pci_bar(hba, 2); + if (hba->u.mv.mu == 0) { + iounmap(hba->u.mv.regs); return -1; } - hba->iop = mem_base_virt; - dprintk("hptiop_map_pci_bar: iop=%p\n", hba->iop); return 0; } +static void hptiop_unmap_pci_bar_mv(struct hptiop_hba *hba) +{ + iounmap(hba->u.mv.regs); + iounmap(hba->u.mv.mu); +} + static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg) { dprintk("iop message 0x%x\n", msg); + if (msg == IOPMU_INBOUND_MSG0_NOP) + hba->msg_done = 1; + if (!hba->initialized) return; @@ -303,7 +510,7 @@ static void hptiop_message_callback(struct hptiop_hba *hba, u32 msg) hba->msg_done = 1; } -static inline struct hptiop_request *get_req(struct hptiop_hba *hba) +static struct hptiop_request *get_req(struct hptiop_hba *hba) { struct hptiop_request *ret; @@ -316,30 +523,19 @@ static inline struct hptiop_request *get_req(struct hptiop_hba *hba) return ret; } -static inline void free_req(struct hptiop_hba *hba, struct hptiop_request *req) +static void free_req(struct hptiop_hba *hba, struct hptiop_request *req) { dprintk("free_req(%d, %p)\n", req->index, req); req->next = hba->req_list; hba->req_list = req; } -static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag) +static void hptiop_finish_scsi_req(struct hptiop_hba *hba, u32 tag, + struct hpt_iop_request_scsi_command *req) { - struct hpt_iop_request_scsi_command *req; struct scsi_cmnd *scp; - u32 tag; - - if (hba->iopintf_v2) { - tag = _tag & ~ IOPMU_QUEUE_REQUEST_RESULT_BIT; - req = hba->reqs[tag].req_virt; - if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT)) - req->header.result = IOP_RESULT_SUCCESS; - } else { - tag = _tag; - req = hba->reqs[tag].req_virt; - } - dprintk("hptiop_host_request_callback: req=%p, type=%d, " + dprintk("hptiop_finish_scsi_req: req=%p, type=%d, " "result=%d, context=0x%x tag=%d\n", req, req->header.type, req->header.result, req->header.context, tag); @@ -354,6 +550,8 @@ static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag) switch (le32_to_cpu(req->header.result)) { case IOP_RESULT_SUCCESS: + scsi_set_resid(scp, + scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); scp->result = (DID_OK<<16); break; case IOP_RESULT_BAD_TARGET: @@ -371,12 +569,12 @@ static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag) case IOP_RESULT_INVALID_REQUEST: scp->result = (DID_ABORT<<16); break; - case IOP_RESULT_MODE_SENSE_CHECK_CONDITION: + case IOP_RESULT_CHECK_CONDITION: + scsi_set_resid(scp, + scsi_bufflen(scp) - le32_to_cpu(req->dataxfer_length)); scp->result = SAM_STAT_CHECK_CONDITION; - memset(&scp->sense_buffer, - 0, sizeof(scp->sense_buffer)); memcpy(&scp->sense_buffer, &req->sg_list, - min(sizeof(scp->sense_buffer), + min_t(size_t, SCSI_SENSE_BUFFERSIZE, le32_to_cpu(req->dataxfer_length))); break; @@ -391,15 +589,33 @@ static void hptiop_host_request_callback(struct hptiop_hba *hba, u32 _tag) free_req(hba, &hba->reqs[tag]); } -void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag) +static void hptiop_host_request_callback_itl(struct hptiop_hba *hba, u32 _tag) +{ + struct hpt_iop_request_scsi_command *req; + u32 tag; + + if (hba->iopintf_v2) { + tag = _tag & ~IOPMU_QUEUE_REQUEST_RESULT_BIT; + req = hba->reqs[tag].req_virt; + if (likely(_tag & IOPMU_QUEUE_REQUEST_RESULT_BIT)) + req->header.result = cpu_to_le32(IOP_RESULT_SUCCESS); + } else { + tag = _tag; + req = hba->reqs[tag].req_virt; + } + + hptiop_finish_scsi_req(hba, tag, req); +} + +void hptiop_iop_request_callback_itl(struct hptiop_hba *hba, u32 tag) { struct hpt_iop_request_header __iomem *req; struct hpt_iop_request_ioctl_command __iomem *p; struct hpt_ioctl_k *arg; req = (struct hpt_iop_request_header __iomem *) - ((unsigned long)hba->iop + tag); - dprintk("hptiop_iop_request_callback: req=%p, type=%d, " + ((unsigned long)hba->u.itl.iop + tag); + dprintk("hptiop_iop_request_callback_itl: req=%p, type=%d, " "result=%d, context=0x%x tag=%d\n", req, readl(&req->type), readl(&req->result), readl(&req->context), tag); @@ -427,7 +643,7 @@ void hptiop_iop_request_callback(struct hptiop_hba *hba, u32 tag) arg->result = HPT_IOCTL_RESULT_FAILED; arg->done(arg); - writel(tag, &hba->iop->outbound_queue); + writel(tag, &hba->u.itl.iop->outbound_queue); } static irqreturn_t hptiop_intr(int irq, void *dev_id) @@ -437,7 +653,7 @@ static irqreturn_t hptiop_intr(int irq, void *dev_id) unsigned long flags; spin_lock_irqsave(hba->host->host_lock, flags); - handled = __iop_intr(hba); + handled = hba->ops->iop_intr(hba); spin_unlock_irqrestore(hba->host->host_lock, flags); return handled; @@ -469,6 +685,57 @@ static int hptiop_buildsgl(struct scsi_cmnd *scp, struct hpt_iopsg *psg) return HPT_SCP(scp)->sgcnt; } +static void hptiop_post_req_itl(struct hptiop_hba *hba, + struct hptiop_request *_req) +{ + struct hpt_iop_request_header *reqhdr = _req->req_virt; + + reqhdr->context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT | + (u32)_req->index); + reqhdr->context_hi32 = 0; + + if (hba->iopintf_v2) { + u32 size, size_bits; + + size = le32_to_cpu(reqhdr->size); + if (size < 256) + size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT; + else if (size < 512) + size_bits = IOPMU_QUEUE_ADDR_HOST_BIT; + else + size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT | + IOPMU_QUEUE_ADDR_HOST_BIT; + writel(_req->req_shifted_phy | size_bits, + &hba->u.itl.iop->inbound_queue); + } else + writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT, + &hba->u.itl.iop->inbound_queue); +} + +static void hptiop_post_req_mv(struct hptiop_hba *hba, + struct hptiop_request *_req) +{ + struct hpt_iop_request_header *reqhdr = _req->req_virt; + u32 size, size_bit; + + reqhdr->context = cpu_to_le32(_req->index<<8 | + IOP_REQUEST_TYPE_SCSI_COMMAND<<5); + reqhdr->context_hi32 = 0; + size = le32_to_cpu(reqhdr->size); + + if (size <= 256) + size_bit = 0; + else if (size <= 256*2) + size_bit = 1; + else if (size <= 256*3) + size_bit = 2; + else + size_bit = 3; + + mv_inbound_write((_req->req_shifted_phy << 5) | + MVIOP_MU_QUEUE_ADDR_HOST_BIT | size_bit, hba); +} + static int hptiop_queuecommand(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { @@ -518,9 +785,6 @@ static int hptiop_queuecommand(struct scsi_cmnd *scp, req->header.flags = cpu_to_le32(IOP_REQUEST_FLAG_OUTPUT_CONTEXT); req->header.type = cpu_to_le32(IOP_REQUEST_TYPE_SCSI_COMMAND); req->header.result = cpu_to_le32(IOP_RESULT_PENDING); - req->header.context = cpu_to_le32(IOPMU_QUEUE_ADDR_HOST_BIT | - (u32)_req->index); - req->header.context_hi32 = 0; req->dataxfer_length = cpu_to_le32(scsi_bufflen(scp)); req->channel = scp->device->channel; req->target = scp->device->id; @@ -531,21 +795,7 @@ static int hptiop_queuecommand(struct scsi_cmnd *scp, + sg_count * sizeof(struct hpt_iopsg)); memcpy(req->cdb, scp->cmnd, sizeof(req->cdb)); - - if (hba->iopintf_v2) { - u32 size_bits; - if (req->header.size < 256) - size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT; - else if (req->header.size < 512) - size_bits = IOPMU_QUEUE_ADDR_HOST_BIT; - else - size_bits = IOPMU_QUEUE_REQUEST_SIZE_BIT | - IOPMU_QUEUE_ADDR_HOST_BIT; - writel(_req->req_shifted_phy | size_bits, &hba->iop->inbound_queue); - } else - writel(_req->req_shifted_phy | IOPMU_QUEUE_ADDR_HOST_BIT, - &hba->iop->inbound_queue); - + hba->ops->post_req(hba, _req); return 0; cmd_done: @@ -563,9 +813,7 @@ static int hptiop_reset_hba(struct hptiop_hba *hba) { if (atomic_xchg(&hba->resetting, 1) == 0) { atomic_inc(&hba->reset_count); - writel(IOPMU_INBOUND_MSG0_RESET, - &hba->iop->inbound_msgaddr0); - hptiop_pci_posting_flush(hba->iop); + hba->ops->post_msg(hba, IOPMU_INBOUND_MSG0_RESET); } wait_event_timeout(hba->reset_wq, @@ -601,8 +849,10 @@ static int hptiop_reset(struct scsi_cmnd *scp) static int hptiop_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) { - if(queue_depth > 256) - queue_depth = 256; + struct hptiop_hba *hba = (struct hptiop_hba *)sdev->host->hostdata; + + if (queue_depth > hba->max_requests) + queue_depth = hba->max_requests; scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth); return queue_depth; } @@ -663,6 +913,26 @@ static struct scsi_host_template driver_template = { .change_queue_depth = hptiop_adjust_disk_queue_depth, }; +static int hptiop_internal_memalloc_mv(struct hptiop_hba *hba) +{ + hba->u.mv.internal_req = dma_alloc_coherent(&hba->pcidev->dev, + 0x800, &hba->u.mv.internal_req_phy, GFP_KERNEL); + if (hba->u.mv.internal_req) + return 0; + else + return -1; +} + +static int hptiop_internal_memfree_mv(struct hptiop_hba *hba) +{ + if (hba->u.mv.internal_req) { + dma_free_coherent(&hba->pcidev->dev, 0x800, + hba->u.mv.internal_req, hba->u.mv.internal_req_phy); + return 0; + } else + return -1; +} + static int __devinit hptiop_probe(struct pci_dev *pcidev, const struct pci_device_id *id) { @@ -708,6 +978,7 @@ static int __devinit hptiop_probe(struct pci_dev *pcidev, hba = (struct hptiop_hba *)host->hostdata; + hba->ops = (struct hptiop_adapter_ops *)id->driver_data; hba->pcidev = pcidev; hba->host = host; hba->initialized = 0; @@ -725,16 +996,24 @@ static int __devinit hptiop_probe(struct pci_dev *pcidev, host->n_io_port = 0; host->irq = pcidev->irq; - if (hptiop_map_pci_bar(hba)) + if (hba->ops->map_pci_bar(hba)) goto free_scsi_host; - if (iop_wait_ready(hba->iop, 20000)) { + if (hba->ops->iop_wait_ready(hba, 20000)) { printk(KERN_ERR "scsi%d: firmware not ready\n", hba->host->host_no); goto unmap_pci_bar; } - if (iop_get_config(hba, &iop_config)) { + if (hba->ops->internal_memalloc) { + if (hba->ops->internal_memalloc(hba)) { + printk(KERN_ERR "scsi%d: internal_memalloc failed\n", + hba->host->host_no); + goto unmap_pci_bar; + } + } + + if (hba->ops->get_config(hba, &iop_config)) { printk(KERN_ERR "scsi%d: get config failed\n", hba->host->host_no); goto unmap_pci_bar; @@ -770,7 +1049,7 @@ static int __devinit hptiop_probe(struct pci_dev *pcidev, set_config.vbus_id = cpu_to_le16(host->host_no); set_config.max_host_request_size = cpu_to_le16(req_size); - if (iop_set_config(hba, &set_config)) { + if (hba->ops->set_config(hba, &set_config)) { printk(KERN_ERR "scsi%d: set config failed\n", hba->host->host_no); goto unmap_pci_bar; @@ -839,21 +1118,24 @@ static int __devinit hptiop_probe(struct pci_dev *pcidev, free_request_mem: dma_free_coherent(&hba->pcidev->dev, - hba->req_size*hba->max_requests + 0x20, + hba->req_size * hba->max_requests + 0x20, hba->dma_coherent, hba->dma_coherent_handle); free_request_irq: free_irq(hba->pcidev->irq, hba); unmap_pci_bar: - iounmap(hba->iop); + if (hba->ops->internal_memfree) + hba->ops->internal_memfree(hba); -free_pci_regions: - pci_release_regions(pcidev) ; + hba->ops->unmap_pci_bar(hba); free_scsi_host: scsi_host_put(host); +free_pci_regions: + pci_release_regions(pcidev); + disable_pci_device: pci_disable_device(pcidev); @@ -865,8 +1147,6 @@ static void hptiop_shutdown(struct pci_dev *pcidev) { struct Scsi_Host *host = pci_get_drvdata(pcidev); struct hptiop_hba *hba = (struct hptiop_hba *)host->hostdata; - struct hpt_iopmu __iomem *iop = hba->iop; - u32 int_mask; dprintk("hptiop_shutdown(%p)\n", hba); @@ -876,11 +1156,24 @@ static void hptiop_shutdown(struct pci_dev *pcidev) hba->host->host_no); /* disable all outbound interrupts */ - int_mask = readl(&iop->outbound_intmask); + hba->ops->disable_intr(hba); +} + +static void hptiop_disable_intr_itl(struct hptiop_hba *hba) +{ + u32 int_mask; + + int_mask = readl(&hba->u.itl.iop->outbound_intmask); writel(int_mask | IOPMU_OUTBOUND_INT_MSG0 | IOPMU_OUTBOUND_INT_POSTQUEUE, - &iop->outbound_intmask); - hptiop_pci_posting_flush(iop); + &hba->u.itl.iop->outbound_intmask); + readl(&hba->u.itl.iop->outbound_intmask); +} + +static void hptiop_disable_intr_mv(struct hptiop_hba *hba) +{ + writel(0, &hba->u.mv.regs->outbound_intmask); + readl(&hba->u.mv.regs->outbound_intmask); } static void hptiop_remove(struct pci_dev *pcidev) @@ -901,7 +1194,10 @@ static void hptiop_remove(struct pci_dev *pcidev) hba->dma_coherent, hba->dma_coherent_handle); - iounmap(hba->iop); + if (hba->ops->internal_memfree) + hba->ops->internal_memfree(hba); + + hba->ops->unmap_pci_bar(hba); pci_release_regions(hba->pcidev); pci_set_drvdata(hba->pcidev, NULL); @@ -910,11 +1206,50 @@ static void hptiop_remove(struct pci_dev *pcidev) scsi_host_put(host); } +static struct hptiop_adapter_ops hptiop_itl_ops = { + .iop_wait_ready = iop_wait_ready_itl, + .internal_memalloc = 0, + .internal_memfree = 0, + .map_pci_bar = hptiop_map_pci_bar_itl, + .unmap_pci_bar = hptiop_unmap_pci_bar_itl, + .enable_intr = hptiop_enable_intr_itl, + .disable_intr = hptiop_disable_intr_itl, + .get_config = iop_get_config_itl, + .set_config = iop_set_config_itl, + .iop_intr = iop_intr_itl, + .post_msg = hptiop_post_msg_itl, + .post_req = hptiop_post_req_itl, +}; + +static struct hptiop_adapter_ops hptiop_mv_ops = { + .iop_wait_ready = iop_wait_ready_mv, + .internal_memalloc = hptiop_internal_memalloc_mv, + .internal_memfree = hptiop_internal_memfree_mv, + .map_pci_bar = hptiop_map_pci_bar_mv, + .unmap_pci_bar = hptiop_unmap_pci_bar_mv, + .enable_intr = hptiop_enable_intr_mv, + .disable_intr = hptiop_disable_intr_mv, + .get_config = iop_get_config_mv, + .set_config = iop_set_config_mv, + .iop_intr = iop_intr_mv, + .post_msg = hptiop_post_msg_mv, + .post_req = hptiop_post_req_mv, +}; + static struct pci_device_id hptiop_id_table[] = { - { PCI_VDEVICE(TTI, 0x3220) }, - { PCI_VDEVICE(TTI, 0x3320) }, - { PCI_VDEVICE(TTI, 0x3520) }, - { PCI_VDEVICE(TTI, 0x4320) }, + { PCI_VDEVICE(TTI, 0x3220), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3320), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3520), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x4320), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3510), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3511), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3521), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3522), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3410), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3540), (kernel_ulong_t)&hptiop_itl_ops }, + { PCI_VDEVICE(TTI, 0x3120), (kernel_ulong_t)&hptiop_mv_ops }, + { PCI_VDEVICE(TTI, 0x3122), (kernel_ulong_t)&hptiop_mv_ops }, + { PCI_VDEVICE(TTI, 0x3020), (kernel_ulong_t)&hptiop_mv_ops }, {}, }; diff --git a/drivers/scsi/hptiop.h b/drivers/scsi/hptiop.h index 2a5e46e001cb..a0289f219752 100644 --- a/drivers/scsi/hptiop.h +++ b/drivers/scsi/hptiop.h @@ -1,5 +1,5 @@ /* - * HighPoint RR3xxx controller driver for Linux + * HighPoint RR3xxx/4xxx controller driver for Linux * Copyright (C) 2006-2007 HighPoint Technologies, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify @@ -18,8 +18,7 @@ #ifndef _HPTIOP_H_ #define _HPTIOP_H_ -struct hpt_iopmu -{ +struct hpt_iopmu_itl { __le32 resrved0[4]; __le32 inbound_msgaddr0; __le32 inbound_msgaddr1; @@ -54,6 +53,40 @@ struct hpt_iopmu #define IOPMU_INBOUND_INT_ERROR 8 #define IOPMU_INBOUND_INT_POSTQUEUE 0x10 +#define MVIOP_QUEUE_LEN 512 + +struct hpt_iopmu_mv { + __le32 inbound_head; + __le32 inbound_tail; + __le32 outbound_head; + __le32 outbound_tail; + __le32 inbound_msg; + __le32 outbound_msg; + __le32 reserve[10]; + __le64 inbound_q[MVIOP_QUEUE_LEN]; + __le64 outbound_q[MVIOP_QUEUE_LEN]; +}; + +struct hpt_iopmv_regs { + __le32 reserved[0x20400 / 4]; + __le32 inbound_doorbell; + __le32 inbound_intmask; + __le32 outbound_doorbell; + __le32 outbound_intmask; +}; + +#define MVIOP_MU_QUEUE_ADDR_HOST_MASK (~(0x1full)) +#define MVIOP_MU_QUEUE_ADDR_HOST_BIT 4 + +#define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32 0xffffffff +#define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT 1 +#define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2 + +#define MVIOP_MU_INBOUND_INT_MSG 1 +#define MVIOP_MU_INBOUND_INT_POSTQUEUE 2 +#define MVIOP_MU_OUTBOUND_INT_MSG 1 +#define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2 + enum hpt_iopmu_message { /* host-to-iop messages */ IOPMU_INBOUND_MSG0_NOP = 0, @@ -72,8 +105,7 @@ enum hpt_iopmu_message { IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff, }; -struct hpt_iop_request_header -{ +struct hpt_iop_request_header { __le32 size; __le32 type; __le32 flags; @@ -104,11 +136,10 @@ enum hpt_iop_result_type { IOP_RESULT_RESET, IOP_RESULT_INVALID_REQUEST, IOP_RESULT_BAD_TARGET, - IOP_RESULT_MODE_SENSE_CHECK_CONDITION, + IOP_RESULT_CHECK_CONDITION, }; -struct hpt_iop_request_get_config -{ +struct hpt_iop_request_get_config { struct hpt_iop_request_header header; __le32 interface_version; __le32 firmware_version; @@ -121,8 +152,7 @@ struct hpt_iop_request_get_config __le32 sdram_size; }; -struct hpt_iop_request_set_config -{ +struct hpt_iop_request_set_config { struct hpt_iop_request_header header; __le32 iop_id; __le16 vbus_id; @@ -130,15 +160,13 @@ struct hpt_iop_request_set_config __le32 reserve[6]; }; -struct hpt_iopsg -{ +struct hpt_iopsg { __le32 size; __le32 eot; /* non-zero: end of table */ __le64 pci_address; }; -struct hpt_iop_request_block_command -{ +struct hpt_iop_request_block_command { struct hpt_iop_request_header header; u8 channel; u8 target; @@ -156,8 +184,7 @@ struct hpt_iop_request_block_command #define IOP_BLOCK_COMMAND_FLUSH 4 #define IOP_BLOCK_COMMAND_SHUTDOWN 5 -struct hpt_iop_request_scsi_command -{ +struct hpt_iop_request_scsi_command { struct hpt_iop_request_header header; u8 channel; u8 target; @@ -168,8 +195,7 @@ struct hpt_iop_request_scsi_command struct hpt_iopsg sg_list[1]; }; -struct hpt_iop_request_ioctl_command -{ +struct hpt_iop_request_ioctl_command { struct hpt_iop_request_header header; __le32 ioctl_code; __le32 inbuf_size; @@ -182,11 +208,11 @@ struct hpt_iop_request_ioctl_command #define HPTIOP_MAX_REQUESTS 256u struct hptiop_request { - struct hptiop_request * next; - void * req_virt; - u32 req_shifted_phy; - struct scsi_cmnd * scp; - int index; + struct hptiop_request *next; + void *req_virt; + u32 req_shifted_phy; + struct scsi_cmnd *scp; + int index; }; struct hpt_scsi_pointer { @@ -198,9 +224,21 @@ struct hpt_scsi_pointer { #define HPT_SCP(scp) ((struct hpt_scsi_pointer *)&(scp)->SCp) struct hptiop_hba { - struct hpt_iopmu __iomem * iop; - struct Scsi_Host * host; - struct pci_dev * pcidev; + struct hptiop_adapter_ops *ops; + union { + struct { + struct hpt_iopmu_itl __iomem *iop; + } itl; + struct { + struct hpt_iopmv_regs *regs; + struct hpt_iopmu_mv __iomem *mu; + void *internal_req; + dma_addr_t internal_req_phy; + } mv; + } u; + + struct Scsi_Host *host; + struct pci_dev *pcidev; /* IOP config info */ u32 interface_version; @@ -213,15 +251,15 @@ struct hptiop_hba { u32 req_size; /* host-allocated request buffer size */ - int iopintf_v2: 1; - int initialized: 1; - int msg_done: 1; + u32 iopintf_v2: 1; + u32 initialized: 1; + u32 msg_done: 1; struct hptiop_request * req_list; struct hptiop_request reqs[HPTIOP_MAX_REQUESTS]; /* used to free allocated dma area */ - void * dma_coherent; + void *dma_coherent; dma_addr_t dma_coherent_handle; atomic_t reset_count; @@ -231,19 +269,35 @@ struct hptiop_hba { wait_queue_head_t ioctl_wq; }; -struct hpt_ioctl_k -{ +struct hpt_ioctl_k { struct hptiop_hba * hba; u32 ioctl_code; u32 inbuf_size; u32 outbuf_size; - void * inbuf; - void * outbuf; - u32 * bytes_returned; + void *inbuf; + void *outbuf; + u32 *bytes_returned; void (*done)(struct hpt_ioctl_k *); int result; /* HPT_IOCTL_RESULT_ */ }; +struct hptiop_adapter_ops { + int (*iop_wait_ready)(struct hptiop_hba *hba, u32 millisec); + int (*internal_memalloc)(struct hptiop_hba *hba); + int (*internal_memfree)(struct hptiop_hba *hba); + int (*map_pci_bar)(struct hptiop_hba *hba); + void (*unmap_pci_bar)(struct hptiop_hba *hba); + void (*enable_intr)(struct hptiop_hba *hba); + void (*disable_intr)(struct hptiop_hba *hba); + int (*get_config)(struct hptiop_hba *hba, + struct hpt_iop_request_get_config *config); + int (*set_config)(struct hptiop_hba *hba, + struct hpt_iop_request_set_config *config); + int (*iop_intr)(struct hptiop_hba *hba); + void (*post_msg)(struct hptiop_hba *hba, u32 msg); + void (*post_req)(struct hptiop_hba *hba, struct hptiop_request *_req); +}; + #define HPT_IOCTL_RESULT_OK 0 #define HPT_IOCTL_RESULT_FAILED (-1) diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 5f2396c03958..30819012898f 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -629,6 +629,16 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct, list_del(&evt_struct->list); del_timer(&evt_struct->timer); + /* If send_crq returns H_CLOSED, return SCSI_MLQUEUE_HOST_BUSY. + * Firmware will send a CRQ with a transport event (0xFF) to + * tell this client what has happened to the transport. This + * will be handled in ibmvscsi_handle_crq() + */ + if (rc == H_CLOSED) { + dev_warn(hostdata->dev, "send warning. " + "Receive queue closed, will retry.\n"); + goto send_busy; + } dev_err(hostdata->dev, "send error %d\n", rc); atomic_inc(&hostdata->request_limit); goto send_error; @@ -976,58 +986,74 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd) int rsp_rc; unsigned long flags; u16 lun = lun_from_dev(cmd->device); + unsigned long wait_switch = 0; /* First, find this command in our sent list so we can figure * out the correct tag */ spin_lock_irqsave(hostdata->host->host_lock, flags); - found_evt = NULL; - list_for_each_entry(tmp_evt, &hostdata->sent, list) { - if (tmp_evt->cmnd == cmd) { - found_evt = tmp_evt; - break; + wait_switch = jiffies + (init_timeout * HZ); + do { + found_evt = NULL; + list_for_each_entry(tmp_evt, &hostdata->sent, list) { + if (tmp_evt->cmnd == cmd) { + found_evt = tmp_evt; + break; + } } - } - if (!found_evt) { - spin_unlock_irqrestore(hostdata->host->host_lock, flags); - return SUCCESS; - } + if (!found_evt) { + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + return SUCCESS; + } - evt = get_event_struct(&hostdata->pool); - if (evt == NULL) { - spin_unlock_irqrestore(hostdata->host->host_lock, flags); - sdev_printk(KERN_ERR, cmd->device, "failed to allocate abort event\n"); - return FAILED; - } + evt = get_event_struct(&hostdata->pool); + if (evt == NULL) { + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + sdev_printk(KERN_ERR, cmd->device, + "failed to allocate abort event\n"); + return FAILED; + } - init_event_struct(evt, - sync_completion, - VIOSRP_SRP_FORMAT, - init_timeout); + init_event_struct(evt, + sync_completion, + VIOSRP_SRP_FORMAT, + init_timeout); - tsk_mgmt = &evt->iu.srp.tsk_mgmt; + tsk_mgmt = &evt->iu.srp.tsk_mgmt; - /* Set up an abort SRP command */ - memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt)); - tsk_mgmt->opcode = SRP_TSK_MGMT; - tsk_mgmt->lun = ((u64) lun) << 48; - tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK; - tsk_mgmt->task_tag = (u64) found_evt; - - sdev_printk(KERN_INFO, cmd->device, "aborting command. lun 0x%lx, tag 0x%lx\n", - tsk_mgmt->lun, tsk_mgmt->task_tag); - - evt->sync_srp = &srp_rsp; - init_completion(&evt->comp); - rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2); + /* Set up an abort SRP command */ + memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt)); + tsk_mgmt->opcode = SRP_TSK_MGMT; + tsk_mgmt->lun = ((u64) lun) << 48; + tsk_mgmt->tsk_mgmt_func = SRP_TSK_ABORT_TASK; + tsk_mgmt->task_tag = (u64) found_evt; + + evt->sync_srp = &srp_rsp; + + init_completion(&evt->comp); + rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2); + + if (rsp_rc != SCSI_MLQUEUE_HOST_BUSY) + break; + + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + msleep(10); + spin_lock_irqsave(hostdata->host->host_lock, flags); + } while (time_before(jiffies, wait_switch)); + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + if (rsp_rc != 0) { sdev_printk(KERN_ERR, cmd->device, "failed to send abort() event. rc=%d\n", rsp_rc); return FAILED; } + sdev_printk(KERN_INFO, cmd->device, + "aborting command. lun 0x%lx, tag 0x%lx\n", + (((u64) lun) << 48), (u64) found_evt); + wait_for_completion(&evt->comp); /* make sure we got a good response */ @@ -1099,41 +1125,56 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd) int rsp_rc; unsigned long flags; u16 lun = lun_from_dev(cmd->device); + unsigned long wait_switch = 0; spin_lock_irqsave(hostdata->host->host_lock, flags); - evt = get_event_struct(&hostdata->pool); - if (evt == NULL) { - spin_unlock_irqrestore(hostdata->host->host_lock, flags); - sdev_printk(KERN_ERR, cmd->device, "failed to allocate reset event\n"); - return FAILED; - } + wait_switch = jiffies + (init_timeout * HZ); + do { + evt = get_event_struct(&hostdata->pool); + if (evt == NULL) { + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + sdev_printk(KERN_ERR, cmd->device, + "failed to allocate reset event\n"); + return FAILED; + } - init_event_struct(evt, - sync_completion, - VIOSRP_SRP_FORMAT, - init_timeout); + init_event_struct(evt, + sync_completion, + VIOSRP_SRP_FORMAT, + init_timeout); - tsk_mgmt = &evt->iu.srp.tsk_mgmt; + tsk_mgmt = &evt->iu.srp.tsk_mgmt; - /* Set up a lun reset SRP command */ - memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt)); - tsk_mgmt->opcode = SRP_TSK_MGMT; - tsk_mgmt->lun = ((u64) lun) << 48; - tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET; + /* Set up a lun reset SRP command */ + memset(tsk_mgmt, 0x00, sizeof(*tsk_mgmt)); + tsk_mgmt->opcode = SRP_TSK_MGMT; + tsk_mgmt->lun = ((u64) lun) << 48; + tsk_mgmt->tsk_mgmt_func = SRP_TSK_LUN_RESET; - sdev_printk(KERN_INFO, cmd->device, "resetting device. lun 0x%lx\n", - tsk_mgmt->lun); + evt->sync_srp = &srp_rsp; + + init_completion(&evt->comp); + rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2); + + if (rsp_rc != SCSI_MLQUEUE_HOST_BUSY) + break; + + spin_unlock_irqrestore(hostdata->host->host_lock, flags); + msleep(10); + spin_lock_irqsave(hostdata->host->host_lock, flags); + } while (time_before(jiffies, wait_switch)); - evt->sync_srp = &srp_rsp; - init_completion(&evt->comp); - rsp_rc = ibmvscsi_send_srp_event(evt, hostdata, init_timeout * 2); spin_unlock_irqrestore(hostdata->host->host_lock, flags); + if (rsp_rc != 0) { sdev_printk(KERN_ERR, cmd->device, "failed to send reset event. rc=%d\n", rsp_rc); return FAILED; } + sdev_printk(KERN_INFO, cmd->device, "resetting device. lun 0x%lx\n", + (((u64) lun) << 48)); + wait_for_completion(&evt->comp); /* make sure we got a good response */ @@ -1386,8 +1427,10 @@ static int ibmvscsi_slave_configure(struct scsi_device *sdev) unsigned long lock_flags = 0; spin_lock_irqsave(shost->host_lock, lock_flags); - if (sdev->type == TYPE_DISK) + if (sdev->type == TYPE_DISK) { sdev->allow_restart = 1; + sdev->timeout = 60 * HZ; + } scsi_adjust_queue_depth(sdev, 0, shost->cmd_per_lun); spin_unlock_irqrestore(shost->host_lock, lock_flags); return 0; diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c index 82bcab688b44..d63f11e95abf 100644 --- a/drivers/scsi/ibmvscsi/ibmvstgt.c +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -292,7 +292,7 @@ static int ibmvstgt_cmd_done(struct scsi_cmnd *sc, dprintk("%p %p %x %u\n", iue, target, vio_iu(iue)->srp.cmd.cdb[0], cmd->usg_sg); - if (sc->use_sg) + if (scsi_sg_count(sc)) err = srp_transfer_data(sc, &vio_iu(iue)->srp.cmd, ibmvstgt_rdma, 1, 1); spin_lock_irqsave(&target->lock, flags); diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index a3d0c6b14958..f97d172844be 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -837,19 +837,16 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd) /* Phase 4 - Setup scatter/gather buffers */ case 4: - if (cmd->use_sg) { - /* if many buffers are available, start filling the first */ - cmd->SCp.buffer = - (struct scatterlist *) cmd->request_buffer; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); cmd->SCp.this_residual = cmd->SCp.buffer->length; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } else { - /* else fill the only available buffer */ cmd->SCp.buffer = NULL; - cmd->SCp.this_residual = cmd->request_bufflen; - cmd->SCp.ptr = cmd->request_buffer; + cmd->SCp.this_residual = 0; + cmd->SCp.ptr = NULL; } - cmd->SCp.buffers_residual = cmd->use_sg - 1; + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.phase++; if (cmd->SCp.this_residual & 0x01) cmd->SCp.this_residual++; diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index c8b452f2878c..8053b1e86ccb 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -369,16 +369,16 @@ static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *)) * - SCp.phase records this command's SRCID_ER bit setting */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *) cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } cmd->SCp.have_data_in = 0; diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index aa0df0a4b22a..73270ff892d9 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -84,7 +84,7 @@ /* * Global Data */ -static struct list_head ipr_ioa_head = LIST_HEAD_INIT(ipr_ioa_head); +static LIST_HEAD(ipr_ioa_head); static unsigned int ipr_log_level = IPR_DEFAULT_LOG_LEVEL; static unsigned int ipr_max_speed = 1; static int ipr_testmode = 0; diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 5c5a9b2628fc..7505cca8e68e 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -389,17 +389,17 @@ static struct pci_device_id ips_pci_table[] = { MODULE_DEVICE_TABLE( pci, ips_pci_table ); static char ips_hot_plug_name[] = "ips"; - + static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent); static void __devexit ips_remove_device(struct pci_dev *pci_dev); - + static struct pci_driver ips_pci_driver = { .name = ips_hot_plug_name, .id_table = ips_pci_table, .probe = ips_insert_device, .remove = __devexit_p(ips_remove_device), }; - + /* * Necessary forward function protoypes @@ -587,7 +587,7 @@ static void ips_setup_funclist(ips_ha_t * ha) { - /* + /* * Setup Functions */ if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) { @@ -702,12 +702,8 @@ ips_release(struct Scsi_Host *sh) /* free extra memory */ ips_free(ha); - /* Free I/O Region */ - if (ha->io_addr) - release_region(ha->io_addr, ha->io_len); - /* free IRQ */ - free_irq(ha->irq, ha); + free_irq(ha->pcidev->irq, ha); scsi_host_put(sh); @@ -1637,7 +1633,7 @@ ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr) return (IPS_FAILURE); } - if (ha->device_id == IPS_DEVICEID_COPPERHEAD && + if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD && pt->CoppCP.cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW) { ret = ips_flash_copperhead(ha, pt, scb); @@ -2021,7 +2017,7 @@ ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb) pt->ExtendedStatus = scb->extended_status; pt->AdapterType = ha->ad_type; - if (ha->device_id == IPS_DEVICEID_COPPERHEAD && + if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD && (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD || scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW)) ips_free_flash_copperhead(ha); @@ -2075,13 +2071,13 @@ ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len) ha->mem_ptr); } - copy_info(&info, "\tIRQ number : %d\n", ha->irq); + copy_info(&info, "\tIRQ number : %d\n", ha->pcidev->irq); /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */ /* That keeps everything happy for "text" operations on the proc file. */ if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) { - if (ha->nvram->bios_low[3] == 0) { + if (ha->nvram->bios_low[3] == 0) { copy_info(&info, "\tBIOS Version : %c%c%c%c%c%c%c\n", ha->nvram->bios_high[0], ha->nvram->bios_high[1], @@ -2232,31 +2228,31 @@ ips_identify_controller(ips_ha_t * ha) { METHOD_TRACE("ips_identify_controller", 1); - switch (ha->device_id) { + switch (ha->pcidev->device) { case IPS_DEVICEID_COPPERHEAD: - if (ha->revision_id <= IPS_REVID_SERVERAID) { + if (ha->pcidev->revision <= IPS_REVID_SERVERAID) { ha->ad_type = IPS_ADTYPE_SERVERAID; - } else if (ha->revision_id == IPS_REVID_SERVERAID2) { + } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) { ha->ad_type = IPS_ADTYPE_SERVERAID2; - } else if (ha->revision_id == IPS_REVID_NAVAJO) { + } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) { ha->ad_type = IPS_ADTYPE_NAVAJO; - } else if ((ha->revision_id == IPS_REVID_SERVERAID2) + } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2) && (ha->slot_num == 0)) { ha->ad_type = IPS_ADTYPE_KIOWA; - } else if ((ha->revision_id >= IPS_REVID_CLARINETP1) && - (ha->revision_id <= IPS_REVID_CLARINETP3)) { + } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) && + (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) { if (ha->enq->ucMaxPhysicalDevices == 15) ha->ad_type = IPS_ADTYPE_SERVERAID3L; else ha->ad_type = IPS_ADTYPE_SERVERAID3; - } else if ((ha->revision_id >= IPS_REVID_TROMBONE32) && - (ha->revision_id <= IPS_REVID_TROMBONE64)) { + } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) && + (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) { ha->ad_type = IPS_ADTYPE_SERVERAID4H; } break; case IPS_DEVICEID_MORPHEUS: - switch (ha->subdevice_id) { + switch (ha->pcidev->subsystem_device) { case IPS_SUBDEVICEID_4L: ha->ad_type = IPS_ADTYPE_SERVERAID4L; break; @@ -2285,7 +2281,7 @@ ips_identify_controller(ips_ha_t * ha) break; case IPS_DEVICEID_MARCO: - switch (ha->subdevice_id) { + switch (ha->pcidev->subsystem_device) { case IPS_SUBDEVICEID_6M: ha->ad_type = IPS_ADTYPE_SERVERAID6M; break; @@ -2332,20 +2328,20 @@ ips_get_bios_version(ips_ha_t * ha, int intr) strncpy(ha->bios_version, " ?", 8); - if (ha->device_id == IPS_DEVICEID_COPPERHEAD) { + if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) { if (IPS_USE_MEMIO(ha)) { /* Memory Mapped I/O */ /* test 1st byte */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) return; writel(1, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) @@ -2353,20 +2349,20 @@ ips_get_bios_version(ips_ha_t * ha, int intr) /* Get Major version */ writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ major = readb(ha->mem_ptr + IPS_REG_FLDP); /* Get Minor version */ writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ minor = readb(ha->mem_ptr + IPS_REG_FLDP); /* Get SubMinor version */ writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ subminor = readb(ha->mem_ptr + IPS_REG_FLDP); @@ -2375,14 +2371,14 @@ ips_get_bios_version(ips_ha_t * ha, int intr) /* test 1st byte */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) return; outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) @@ -2390,21 +2386,21 @@ ips_get_bios_version(ips_ha_t * ha, int intr) /* Get Major version */ outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ major = inb(ha->io_addr + IPS_REG_FLDP); /* Get Minor version */ outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ minor = inb(ha->io_addr + IPS_REG_FLDP); /* Get SubMinor version */ outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ subminor = inb(ha->io_addr + IPS_REG_FLDP); @@ -2740,8 +2736,6 @@ ips_next(ips_ha_t * ha, int intr) SC->result = DID_OK; SC->host_scribble = NULL; - memset(SC->sense_buffer, 0, sizeof (SC->sense_buffer)); - scb->target_id = SC->device->id; scb->lun = SC->device->lun; scb->bus = SC->device->channel; @@ -2780,10 +2774,11 @@ ips_next(ips_ha_t * ha, int intr) scb->dcdb.cmd_attribute = ips_command_direction[scb->scsi_cmd->cmnd[0]]; - /* Allow a WRITE BUFFER Command to Have no Data */ - /* This is Used by Tape Flash Utilites */ - if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && (scb->data_len == 0)) - scb->dcdb.cmd_attribute = 0; + /* Allow a WRITE BUFFER Command to Have no Data */ + /* This is Used by Tape Flash Utilites */ + if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && + (scb->data_len == 0)) + scb->dcdb.cmd_attribute = 0; if (!(scb->dcdb.cmd_attribute & 0x3)) scb->dcdb.transfer_length = 0; @@ -3404,7 +3399,7 @@ ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp) /* Restrict access to physical DASD */ if (scb->scsi_cmd->cmnd[0] == INQUIRY) { - ips_scmd_buf_read(scb->scsi_cmd, + ips_scmd_buf_read(scb->scsi_cmd, &inquiryData, sizeof (inquiryData)); if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) { errcode = DID_TIME_OUT; @@ -3438,13 +3433,11 @@ ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp) (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; memcpy(scb->scsi_cmd->sense_buffer, tapeDCDB->sense_info, - sizeof (scb->scsi_cmd-> - sense_buffer)); + SCSI_SENSE_BUFFERSIZE); } else { memcpy(scb->scsi_cmd->sense_buffer, scb->dcdb.sense_info, - sizeof (scb->scsi_cmd-> - sense_buffer)); + SCSI_SENSE_BUFFERSIZE); } device_error = 2; /* check condition */ } @@ -3824,7 +3817,6 @@ ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb) /* attempted, a Check Condition occurred, and Sense */ /* Data indicating an Invalid CDB OpCode is returned. */ sp = (char *) scb->scsi_cmd->sense_buffer; - memset(sp, 0, sizeof (scb->scsi_cmd->sense_buffer)); sp[0] = 0x70; /* Error Code */ sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */ @@ -4090,10 +4082,10 @@ ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus) scb->scsi_cmd->result = errcode << 16; } else { /* bus == 0 */ /* restrict access to physical drives */ - if (scb->scsi_cmd->cmnd[0] == INQUIRY) { - ips_scmd_buf_read(scb->scsi_cmd, + if (scb->scsi_cmd->cmnd[0] == INQUIRY) { + ips_scmd_buf_read(scb->scsi_cmd, &inquiryData, sizeof (inquiryData)); - if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) + if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) scb->scsi_cmd->result = DID_TIME_OUT << 16; } } /* else */ @@ -4393,8 +4385,6 @@ ips_free(ips_ha_t * ha) ha->mem_ptr = NULL; } - if (ha->mem_addr) - release_mem_region(ha->mem_addr, ha->mem_len); ha->mem_addr = 0; } @@ -4661,8 +4651,8 @@ ips_isinit_morpheus(ips_ha_t * ha) uint32_t bits; METHOD_TRACE("ips_is_init_morpheus", 1); - - if (ips_isintr_morpheus(ha)) + + if (ips_isintr_morpheus(ha)) ips_flush_and_reset(ha); post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); @@ -4686,7 +4676,7 @@ ips_isinit_morpheus(ips_ha_t * ha) /* state ( was trying to INIT and an interrupt was already pending ) ... */ /* */ /****************************************************************************/ -static void +static void ips_flush_and_reset(ips_ha_t *ha) { ips_scb_t *scb; @@ -4718,9 +4708,9 @@ ips_flush_and_reset(ips_ha_t *ha) if (ret == IPS_SUCCESS) { time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */ done = 0; - + while ((time > 0) && (!done)) { - done = ips_poll_for_flush_complete(ha); + done = ips_poll_for_flush_complete(ha); /* This may look evil, but it's only done during extremely rare start-up conditions ! */ udelay(1000); time--; @@ -4749,17 +4739,17 @@ static int ips_poll_for_flush_complete(ips_ha_t * ha) { IPS_STATUS cstatus; - + while (TRUE) { cstatus.value = (*ha->func.statupd) (ha); if (cstatus.value == 0xffffffff) /* If No Interrupt to process */ break; - + /* Success is when we see the Flush Command ID */ - if (cstatus.fields.command_id == IPS_MAX_CMDS ) + if (cstatus.fields.command_id == IPS_MAX_CMDS) return 1; - } + } return 0; } @@ -4903,7 +4893,7 @@ ips_init_copperhead(ips_ha_t * ha) /* Enable busmastering */ outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) /* fix for anaconda64 */ outl(0, ha->io_addr + IPS_REG_NDAE); @@ -4997,7 +4987,7 @@ ips_init_copperhead_memio(ips_ha_t * ha) /* Enable busmastering */ writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) /* fix for anaconda64 */ writel(0, ha->mem_ptr + IPS_REG_NDAE); @@ -5142,7 +5132,7 @@ ips_reset_copperhead(ips_ha_t * ha) METHOD_TRACE("ips_reset_copperhead", 1); DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d", - ips_name, ha->host_num, ha->io_addr, ha->irq); + ips_name, ha->host_num, ha->io_addr, ha->pcidev->irq); reset_counter = 0; @@ -5187,7 +5177,7 @@ ips_reset_copperhead_memio(ips_ha_t * ha) METHOD_TRACE("ips_reset_copperhead_memio", 1); DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d", - ips_name, ha->host_num, ha->mem_addr, ha->irq); + ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq); reset_counter = 0; @@ -5233,7 +5223,7 @@ ips_reset_morpheus(ips_ha_t * ha) METHOD_TRACE("ips_reset_morpheus", 1); DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d", - ips_name, ha->host_num, ha->mem_addr, ha->irq); + ips_name, ha->host_num, ha->mem_addr, ha->pcidev->irq); reset_counter = 0; @@ -5920,7 +5910,7 @@ ips_read_config(ips_ha_t * ha, int intr) return (0); } - + memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf)); return (1); } @@ -5959,7 +5949,7 @@ ips_readwrite_page5(ips_ha_t * ha, int write, int intr) scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr; if (write) memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram)); - + /* issue the command */ if (((ret = ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) @@ -6196,32 +6186,32 @@ ips_erase_bios(ips_ha_t * ha) /* Clear the status register */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(0x50, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Setup */ outb(0x20, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Confirm */ outb(0xD0, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Status */ outb(0x70, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ timeout = 80000; /* 80 seconds */ while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { outl(0, ha->io_addr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6241,13 +6231,13 @@ ips_erase_bios(ips_ha_t * ha) /* try to suspend the erase */ outb(0xB0, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* wait for 10 seconds */ timeout = 10000; while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { outl(0, ha->io_addr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6277,12 +6267,12 @@ ips_erase_bios(ips_ha_t * ha) /* Otherwise, we were successful */ /* clear status */ outb(0x50, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* enable reads */ outb(0xFF, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (0); @@ -6308,32 +6298,32 @@ ips_erase_bios_memio(ips_ha_t * ha) /* Clear the status register */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Setup */ writeb(0x20, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Confirm */ writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* Erase Status */ writeb(0x70, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ timeout = 80000; /* 80 seconds */ while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { writel(0, ha->mem_ptr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6353,13 +6343,13 @@ ips_erase_bios_memio(ips_ha_t * ha) /* try to suspend the erase */ writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* wait for 10 seconds */ timeout = 10000; while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { writel(0, ha->mem_ptr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6389,12 +6379,12 @@ ips_erase_bios_memio(ips_ha_t * ha) /* Otherwise, we were successful */ /* clear status */ writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* enable reads */ writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (0); @@ -6423,21 +6413,21 @@ ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, for (i = 0; i < buffersize; i++) { /* write a byte */ outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(0x40, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(buffer[i], ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* wait up to one second */ timeout = 1000; while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { outl(0, ha->io_addr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6454,11 +6444,11 @@ ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, if (timeout == 0) { /* timeout error */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(0xFF, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (1); @@ -6468,11 +6458,11 @@ ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, if (status & 0x18) { /* programming error */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(0xFF, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (1); @@ -6481,11 +6471,11 @@ ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, /* Enable reading */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ outb(0xFF, ha->io_addr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (0); @@ -6514,21 +6504,21 @@ ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, for (i = 0; i < buffersize; i++) { /* write a byte */ writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(0x40, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ /* wait up to one second */ timeout = 1000; while (timeout > 0) { - if (ha->revision_id == IPS_REVID_TROMBONE64) { + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) { writel(0, ha->mem_ptr + IPS_REG_FLAP); udelay(25); /* 25 us */ } @@ -6545,11 +6535,11 @@ ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, if (timeout == 0) { /* timeout error */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (1); @@ -6559,11 +6549,11 @@ ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, if (status & 0x18) { /* programming error */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (1); @@ -6572,11 +6562,11 @@ ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, /* Enable reading */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ return (0); @@ -6601,14 +6591,14 @@ ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, /* test 1st byte */ outl(0, ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) return (1); outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) return (1); @@ -6617,7 +6607,7 @@ ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, for (i = 2; i < buffersize; i++) { outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP); @@ -6650,14 +6640,14 @@ ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, /* test 1st byte */ writel(0, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) return (1); writel(1, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) return (1); @@ -6666,7 +6656,7 @@ ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, for (i = 2; i < buffersize; i++) { writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); - if (ha->revision_id == IPS_REVID_TROMBONE64) + if (ha->pcidev->revision == IPS_REVID_TROMBONE64) udelay(25); /* 25 us */ checksum = @@ -6837,24 +6827,18 @@ ips_register_scsi(int index) } ha = IPS_HA(sh); memcpy(ha, oldha, sizeof (ips_ha_t)); - free_irq(oldha->irq, oldha); + free_irq(oldha->pcidev->irq, oldha); /* Install the interrupt handler with the new ha */ - if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { + if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "Unable to install interrupt handler\n"); - scsi_host_put(sh); - return -1; + goto err_out_sh; } kfree(oldha); - ips_sh[index] = sh; - ips_ha[index] = ha; /* Store away needed values for later use */ - sh->io_port = ha->io_addr; - sh->n_io_port = ha->io_addr ? 255 : 0; sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr; - sh->irq = ha->irq; sh->sg_tablesize = sh->hostt->sg_tablesize; sh->can_queue = sh->hostt->can_queue; sh->cmd_per_lun = sh->hostt->cmd_per_lun; @@ -6867,10 +6851,21 @@ ips_register_scsi(int index) sh->max_channel = ha->nbus - 1; sh->can_queue = ha->max_cmds - 1; - scsi_add_host(sh, NULL); + if (scsi_add_host(sh, &ha->pcidev->dev)) + goto err_out; + + ips_sh[index] = sh; + ips_ha[index] = ha; + scsi_scan_host(sh); return 0; + +err_out: + free_irq(ha->pcidev->irq, ha); +err_out_sh: + scsi_host_put(sh); + return -1; } /*---------------------------------------------------------------------------*/ @@ -6882,20 +6877,14 @@ ips_register_scsi(int index) static void __devexit ips_remove_device(struct pci_dev *pci_dev) { - int i; - struct Scsi_Host *sh; - ips_ha_t *ha; + struct Scsi_Host *sh = pci_get_drvdata(pci_dev); - for (i = 0; i < IPS_MAX_ADAPTERS; i++) { - ha = ips_ha[i]; - if (ha) { - if ((pci_dev->bus->number == ha->pcidev->bus->number) && - (pci_dev->devfn == ha->pcidev->devfn)) { - sh = ips_sh[i]; - ips_release(sh); - } - } - } + pci_set_drvdata(pci_dev, NULL); + + ips_release(sh); + + pci_release_regions(pci_dev); + pci_disable_device(pci_dev); } /****************************************************************************/ @@ -6949,12 +6938,17 @@ module_exit(ips_module_exit); static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) { - int uninitialized_var(index); + int index = -1; int rc; METHOD_TRACE("ips_insert_device", 1); - if (pci_enable_device(pci_dev)) - return -1; + rc = pci_enable_device(pci_dev); + if (rc) + return rc; + + rc = pci_request_regions(pci_dev, "ips"); + if (rc) + goto err_out; rc = ips_init_phase1(pci_dev, &index); if (rc == SUCCESS) @@ -6970,6 +6964,19 @@ ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) ips_num_controllers++; ips_next_controller = ips_num_controllers; + + if (rc < 0) { + rc = -ENODEV; + goto err_out_regions; + } + + pci_set_drvdata(pci_dev, ips_sh[index]); + return 0; + +err_out_regions: + pci_release_regions(pci_dev); +err_out: + pci_disable_device(pci_dev); return rc; } @@ -6992,8 +6999,6 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) uint32_t mem_len; uint8_t bus; uint8_t func; - uint8_t irq; - uint16_t subdevice_id; int j; int index; dma_addr_t dma_address; @@ -7004,7 +7009,7 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) METHOD_TRACE("ips_init_phase1", 1); index = IPS_MAX_ADAPTERS; for (j = 0; j < IPS_MAX_ADAPTERS; j++) { - if (ips_ha[j] == 0) { + if (ips_ha[j] == NULL) { index = j; break; } @@ -7014,7 +7019,6 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) return -1; /* stuff that we get in dev */ - irq = pci_dev->irq; bus = pci_dev->bus->number; func = pci_dev->devfn; @@ -7042,34 +7046,17 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) uint32_t base; uint32_t offs; - if (!request_mem_region(mem_addr, mem_len, "ips")) { - IPS_PRINTK(KERN_WARNING, pci_dev, - "Couldn't allocate IO Memory space %x len %d.\n", - mem_addr, mem_len); - return -1; - } - base = mem_addr & PAGE_MASK; offs = mem_addr - base; ioremap_ptr = ioremap(base, PAGE_SIZE); + if (!ioremap_ptr) + return -1; mem_ptr = ioremap_ptr + offs; } else { ioremap_ptr = NULL; mem_ptr = NULL; } - /* setup I/O mapped area (if applicable) */ - if (io_addr) { - if (!request_region(io_addr, io_len, "ips")) { - IPS_PRINTK(KERN_WARNING, pci_dev, - "Couldn't allocate IO space %x len %d.\n", - io_addr, io_len); - return -1; - } - } - - subdevice_id = pci_dev->subsystem_device; - /* found a controller */ ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL); if (ha == NULL) { @@ -7078,13 +7065,11 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) return -1; } - ips_sh[index] = NULL; ips_ha[index] = ha; ha->active = 1; /* Store info in HA structure */ - ha->irq = irq; ha->io_addr = io_addr; ha->io_len = io_len; ha->mem_addr = mem_addr; @@ -7092,10 +7077,7 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) ha->mem_ptr = mem_ptr; ha->ioremap_ptr = ioremap_ptr; ha->host_num = (uint32_t) index; - ha->revision_id = pci_dev->revision; ha->slot_num = PCI_SLOT(pci_dev->devfn); - ha->device_id = pci_dev->device; - ha->subdevice_id = subdevice_id; ha->pcidev = pci_dev; /* @@ -7240,7 +7222,7 @@ ips_init_phase2(int index) } /* Install the interrupt handler */ - if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { + if (request_irq(ha->pcidev->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "Unable to install interrupt handler\n"); return ips_abort_init(ha, index); @@ -7253,14 +7235,14 @@ ips_init_phase2(int index) if (!ips_allocatescbs(ha)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "Unable to allocate a CCB\n"); - free_irq(ha->irq, ha); + free_irq(ha->pcidev->irq, ha); return ips_abort_init(ha, index); } if (!ips_hainit(ha)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "Unable to initialize controller\n"); - free_irq(ha->irq, ha); + free_irq(ha->pcidev->irq, ha); return ips_abort_init(ha, index); } /* Free the temporary SCB */ @@ -7270,7 +7252,7 @@ ips_init_phase2(int index) if (!ips_allocatescbs(ha)) { IPS_PRINTK(KERN_WARNING, ha->pcidev, "Unable to allocate CCBs\n"); - free_irq(ha->irq, ha); + free_irq(ha->pcidev->irq, ha); return ips_abort_init(ha, index); } diff --git a/drivers/scsi/ips.h b/drivers/scsi/ips.h index 3bcbd9ff056b..e0657b6f009c 100644 --- a/drivers/scsi/ips.h +++ b/drivers/scsi/ips.h @@ -60,14 +60,14 @@ */ #define IPS_HA(x) ((ips_ha_t *) x->hostdata) #define IPS_COMMAND_ID(ha, scb) (int) (scb - ha->scbs) - #define IPS_IS_TROMBONE(ha) (((ha->device_id == IPS_DEVICEID_COPPERHEAD) && \ - (ha->revision_id >= IPS_REVID_TROMBONE32) && \ - (ha->revision_id <= IPS_REVID_TROMBONE64)) ? 1 : 0) - #define IPS_IS_CLARINET(ha) (((ha->device_id == IPS_DEVICEID_COPPERHEAD) && \ - (ha->revision_id >= IPS_REVID_CLARINETP1) && \ - (ha->revision_id <= IPS_REVID_CLARINETP3)) ? 1 : 0) - #define IPS_IS_MORPHEUS(ha) (ha->device_id == IPS_DEVICEID_MORPHEUS) - #define IPS_IS_MARCO(ha) (ha->device_id == IPS_DEVICEID_MARCO) + #define IPS_IS_TROMBONE(ha) (((ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) && \ + (ha->pcidev->revision >= IPS_REVID_TROMBONE32) && \ + (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) ? 1 : 0) + #define IPS_IS_CLARINET(ha) (((ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) && \ + (ha->pcidev->revision >= IPS_REVID_CLARINETP1) && \ + (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) ? 1 : 0) + #define IPS_IS_MORPHEUS(ha) (ha->pcidev->device == IPS_DEVICEID_MORPHEUS) + #define IPS_IS_MARCO(ha) (ha->pcidev->device == IPS_DEVICEID_MARCO) #define IPS_USE_I2O_DELIVER(ha) ((IPS_IS_MORPHEUS(ha) || \ (IPS_IS_TROMBONE(ha) && \ (ips_force_i2o))) ? 1 : 0) @@ -92,7 +92,7 @@ #ifndef min #define min(x,y) ((x) < (y) ? x : y) #endif - + #ifndef __iomem /* For clean compiles in earlier kernels without __iomem annotations */ #define __iomem #endif @@ -171,7 +171,7 @@ #define IPS_CMD_DOWNLOAD 0x20 #define IPS_CMD_RW_BIOSFW 0x22 #define IPS_CMD_GET_VERSION_INFO 0xC6 - #define IPS_CMD_RESET_CHANNEL 0x1A + #define IPS_CMD_RESET_CHANNEL 0x1A /* * Adapter Equates @@ -458,7 +458,7 @@ typedef struct { uint32_t reserved3; uint32_t buffer_addr; uint32_t reserved4; -} IPS_IOCTL_CMD, *PIPS_IOCTL_CMD; +} IPS_IOCTL_CMD, *PIPS_IOCTL_CMD; typedef struct { uint8_t op_code; @@ -552,7 +552,7 @@ typedef struct { uint32_t cccr; } IPS_NVRAM_CMD, *PIPS_NVRAM_CMD; -typedef struct +typedef struct { uint8_t op_code; uint8_t command_id; @@ -650,7 +650,7 @@ typedef struct { uint8_t device_address; uint8_t cmd_attribute; uint8_t cdb_length; - uint8_t reserved_for_LUN; + uint8_t reserved_for_LUN; uint32_t transfer_length; uint32_t buffer_pointer; uint16_t sg_count; @@ -790,7 +790,7 @@ typedef struct { /* SubSystem Parameter[4] */ #define IPS_GET_VERSION_SUPPORT 0x00018000 /* Mask for Versioning Support */ -typedef struct +typedef struct { uint32_t revision; uint8_t bootBlkVersion[32]; @@ -1034,7 +1034,6 @@ typedef struct ips_ha { uint8_t ha_id[IPS_MAX_CHANNELS+1]; uint32_t dcdb_active[IPS_MAX_CHANNELS]; uint32_t io_addr; /* Base I/O address */ - uint8_t irq; /* IRQ for adapter */ uint8_t ntargets; /* Number of targets */ uint8_t nbus; /* Number of buses */ uint8_t nlun; /* Number of Luns */ @@ -1066,10 +1065,7 @@ typedef struct ips_ha { int ioctl_reset; /* IOCTL Requested Reset Flag */ uint16_t reset_count; /* number of resets */ time_t last_ffdc; /* last time we sent ffdc info*/ - uint8_t revision_id; /* Revision level */ - uint16_t device_id; /* PCI device ID */ uint8_t slot_num; /* PCI Slot Number */ - uint16_t subdevice_id; /* Subsystem device ID */ int ioctl_len; /* size of ioctl buffer */ dma_addr_t ioctl_busaddr; /* dma address of ioctl buffer*/ uint8_t bios_version[8]; /* BIOS Revision */ diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 57ce2251abc8..e5be5fd4ef58 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -48,7 +48,7 @@ MODULE_AUTHOR("Dmitry Yusupov <dmitry_yus@yahoo.com>, " "Alex Aizman <itn780@yahoo.com>"); MODULE_DESCRIPTION("iSCSI/TCP data-path"); MODULE_LICENSE("GPL"); -/* #define DEBUG_TCP */ +#undef DEBUG_TCP #define DEBUG_ASSERT #ifdef DEBUG_TCP @@ -67,115 +67,429 @@ MODULE_LICENSE("GPL"); static unsigned int iscsi_max_lun = 512; module_param_named(max_lun, iscsi_max_lun, uint, S_IRUGO); +static int iscsi_tcp_hdr_recv_done(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment); + +/* + * Scatterlist handling: inside the iscsi_segment, we + * remember an index into the scatterlist, and set data/size + * to the current scatterlist entry. For highmem pages, we + * kmap as needed. + * + * Note that the page is unmapped when we return from + * TCP's data_ready handler, so we may end up mapping and + * unmapping the same page repeatedly. The whole reason + * for this is that we shouldn't keep the page mapped + * outside the softirq. + */ + +/** + * iscsi_tcp_segment_init_sg - init indicated scatterlist entry + * @segment: the buffer object + * @sg: scatterlist + * @offset: byte offset into that sg entry + * + * This function sets up the segment so that subsequent + * data is copied to the indicated sg entry, at the given + * offset. + */ static inline void -iscsi_buf_init_iov(struct iscsi_buf *ibuf, char *vbuf, int size) +iscsi_tcp_segment_init_sg(struct iscsi_segment *segment, + struct scatterlist *sg, unsigned int offset) { - sg_init_one(&ibuf->sg, vbuf, size); - ibuf->sent = 0; - ibuf->use_sendmsg = 1; + segment->sg = sg; + segment->sg_offset = offset; + segment->size = min(sg->length - offset, + segment->total_size - segment->total_copied); + segment->data = NULL; } +/** + * iscsi_tcp_segment_map - map the current S/G page + * @segment: iscsi_segment + * @recv: 1 if called from recv path + * + * We only need to possibly kmap data if scatter lists are being used, + * because the iscsi passthrough and internal IO paths will never use high + * mem pages. + */ static inline void -iscsi_buf_init_sg(struct iscsi_buf *ibuf, struct scatterlist *sg) +iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv) { - sg_init_table(&ibuf->sg, 1); - sg_set_page(&ibuf->sg, sg_page(sg), sg->length, sg->offset); + struct scatterlist *sg; + + if (segment->data != NULL || !segment->sg) + return; + + sg = segment->sg; + BUG_ON(segment->sg_mapped); + BUG_ON(sg->length == 0); + /* - * Fastpath: sg element fits into single page + * If the page count is greater than one it is ok to send + * to the network layer's zero copy send path. If not we + * have to go the slow sendmsg path. We always map for the + * recv path. */ - if (sg->length + sg->offset <= PAGE_SIZE && !PageSlab(sg_page(sg))) - ibuf->use_sendmsg = 0; - else - ibuf->use_sendmsg = 1; - ibuf->sent = 0; + if (page_count(sg_page(sg)) >= 1 && !recv) + return; + + debug_tcp("iscsi_tcp_segment_map %s %p\n", recv ? "recv" : "xmit", + segment); + segment->sg_mapped = kmap_atomic(sg_page(sg), KM_SOFTIRQ0); + segment->data = segment->sg_mapped + sg->offset + segment->sg_offset; } -static inline int -iscsi_buf_left(struct iscsi_buf *ibuf) +static inline void +iscsi_tcp_segment_unmap(struct iscsi_segment *segment) { - int rc; + debug_tcp("iscsi_tcp_segment_unmap %p\n", segment); - rc = ibuf->sg.length - ibuf->sent; - BUG_ON(rc < 0); - return rc; + if (segment->sg_mapped) { + debug_tcp("iscsi_tcp_segment_unmap valid\n"); + kunmap_atomic(segment->sg_mapped, KM_SOFTIRQ0); + segment->sg_mapped = NULL; + segment->data = NULL; + } } +/* + * Splice the digest buffer into the buffer + */ static inline void -iscsi_hdr_digest(struct iscsi_conn *conn, struct iscsi_buf *buf, - u8* crc) +iscsi_tcp_segment_splice_digest(struct iscsi_segment *segment, void *digest) { - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - - crypto_hash_digest(&tcp_conn->tx_hash, &buf->sg, buf->sg.length, crc); - buf->sg.length += sizeof(u32); + segment->data = digest; + segment->digest_len = ISCSI_DIGEST_SIZE; + segment->total_size += ISCSI_DIGEST_SIZE; + segment->size = ISCSI_DIGEST_SIZE; + segment->copied = 0; + segment->sg = NULL; + segment->hash = NULL; } +/** + * iscsi_tcp_segment_done - check whether the segment is complete + * @segment: iscsi segment to check + * @recv: set to one of this is called from the recv path + * @copied: number of bytes copied + * + * Check if we're done receiving this segment. If the receive + * buffer is full but we expect more data, move on to the + * next entry in the scatterlist. + * + * If the amount of data we received isn't a multiple of 4, + * we will transparently receive the pad bytes, too. + * + * This function must be re-entrant. + */ static inline int -iscsi_hdr_extract(struct iscsi_tcp_conn *tcp_conn) +iscsi_tcp_segment_done(struct iscsi_segment *segment, int recv, unsigned copied) { - struct sk_buff *skb = tcp_conn->in.skb; - - tcp_conn->in.zero_copy_hdr = 0; + static unsigned char padbuf[ISCSI_PAD_LEN]; + struct scatterlist sg; + unsigned int pad; - if (tcp_conn->in.copy >= tcp_conn->hdr_size && - tcp_conn->in_progress == IN_PROGRESS_WAIT_HEADER) { + debug_tcp("copied %u %u size %u %s\n", segment->copied, copied, + segment->size, recv ? "recv" : "xmit"); + if (segment->hash && copied) { /* - * Zero-copy PDU Header: using connection context - * to store header pointer. + * If a segment is kmapd we must unmap it before sending + * to the crypto layer since that will try to kmap it again. */ - if (skb_shinfo(skb)->frag_list == NULL && - !skb_shinfo(skb)->nr_frags) { - tcp_conn->in.hdr = (struct iscsi_hdr *) - ((char*)skb->data + tcp_conn->in.offset); - tcp_conn->in.zero_copy_hdr = 1; + iscsi_tcp_segment_unmap(segment); + + if (!segment->data) { + sg_init_table(&sg, 1); + sg_set_page(&sg, sg_page(segment->sg), copied, + segment->copied + segment->sg_offset + + segment->sg->offset); + } else + sg_init_one(&sg, segment->data + segment->copied, + copied); + crypto_hash_update(segment->hash, &sg, copied); + } + + segment->copied += copied; + if (segment->copied < segment->size) { + iscsi_tcp_segment_map(segment, recv); + return 0; + } + + segment->total_copied += segment->copied; + segment->copied = 0; + segment->size = 0; + + /* Unmap the current scatterlist page, if there is one. */ + iscsi_tcp_segment_unmap(segment); + + /* Do we have more scatterlist entries? */ + debug_tcp("total copied %u total size %u\n", segment->total_copied, + segment->total_size); + if (segment->total_copied < segment->total_size) { + /* Proceed to the next entry in the scatterlist. */ + iscsi_tcp_segment_init_sg(segment, sg_next(segment->sg), + 0); + iscsi_tcp_segment_map(segment, recv); + BUG_ON(segment->size == 0); + return 0; + } + + /* Do we need to handle padding? */ + pad = iscsi_padding(segment->total_copied); + if (pad != 0) { + debug_tcp("consume %d pad bytes\n", pad); + segment->total_size += pad; + segment->size = pad; + segment->data = padbuf; + return 0; + } + + /* + * Set us up for transferring the data digest. hdr digest + * is completely handled in hdr done function. + */ + if (segment->hash) { + crypto_hash_final(segment->hash, segment->digest); + iscsi_tcp_segment_splice_digest(segment, + recv ? segment->recv_digest : segment->digest); + return 0; + } + + return 1; +} + +/** + * iscsi_tcp_xmit_segment - transmit segment + * @tcp_conn: the iSCSI TCP connection + * @segment: the buffer to transmnit + * + * This function transmits as much of the buffer as + * the network layer will accept, and returns the number of + * bytes transmitted. + * + * If CRC hashing is enabled, the function will compute the + * hash as it goes. When the entire segment has been transmitted, + * it will retrieve the hash value and send it as well. + */ +static int +iscsi_tcp_xmit_segment(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) +{ + struct socket *sk = tcp_conn->sock; + unsigned int copied = 0; + int r = 0; + + while (!iscsi_tcp_segment_done(segment, 0, r)) { + struct scatterlist *sg; + unsigned int offset, copy; + int flags = 0; + + r = 0; + offset = segment->copied; + copy = segment->size - offset; + + if (segment->total_copied + segment->size < segment->total_size) + flags |= MSG_MORE; + + /* Use sendpage if we can; else fall back to sendmsg */ + if (!segment->data) { + sg = segment->sg; + offset += segment->sg_offset + sg->offset; + r = tcp_conn->sendpage(sk, sg_page(sg), offset, copy, + flags); } else { - /* ignoring return code since we checked - * in.copy before */ - skb_copy_bits(skb, tcp_conn->in.offset, - &tcp_conn->hdr, tcp_conn->hdr_size); - tcp_conn->in.hdr = &tcp_conn->hdr; + struct msghdr msg = { .msg_flags = flags }; + struct kvec iov = { + .iov_base = segment->data + offset, + .iov_len = copy + }; + + r = kernel_sendmsg(sk, &msg, &iov, 1, copy); } - tcp_conn->in.offset += tcp_conn->hdr_size; - tcp_conn->in.copy -= tcp_conn->hdr_size; - } else { - int hdr_remains; - int copylen; - /* - * PDU header scattered across SKB's, - * copying it... This'll happen quite rarely. - */ + if (r < 0) { + iscsi_tcp_segment_unmap(segment); + if (copied || r == -EAGAIN) + break; + return r; + } + copied += r; + } + return copied; +} + +/** + * iscsi_tcp_segment_recv - copy data to segment + * @tcp_conn: the iSCSI TCP connection + * @segment: the buffer to copy to + * @ptr: data pointer + * @len: amount of data available + * + * This function copies up to @len bytes to the + * given buffer, and returns the number of bytes + * consumed, which can actually be less than @len. + * + * If hash digest is enabled, the function will update the + * hash while copying. + * Combining these two operations doesn't buy us a lot (yet), + * but in the future we could implement combined copy+crc, + * just way we do for network layer checksums. + */ +static int +iscsi_tcp_segment_recv(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment, const void *ptr, + unsigned int len) +{ + unsigned int copy = 0, copied = 0; + + while (!iscsi_tcp_segment_done(segment, 1, copy)) { + if (copied == len) { + debug_tcp("iscsi_tcp_segment_recv copied %d bytes\n", + len); + break; + } + + copy = min(len - copied, segment->size - segment->copied); + debug_tcp("iscsi_tcp_segment_recv copying %d\n", copy); + memcpy(segment->data + segment->copied, ptr + copied, copy); + copied += copy; + } + return copied; +} - if (tcp_conn->in_progress == IN_PROGRESS_WAIT_HEADER) - tcp_conn->in.hdr_offset = 0; +static inline void +iscsi_tcp_dgst_header(struct hash_desc *hash, const void *hdr, size_t hdrlen, + unsigned char digest[ISCSI_DIGEST_SIZE]) +{ + struct scatterlist sg; - hdr_remains = tcp_conn->hdr_size - tcp_conn->in.hdr_offset; - BUG_ON(hdr_remains <= 0); + sg_init_one(&sg, hdr, hdrlen); + crypto_hash_digest(hash, &sg, hdrlen, digest); +} - copylen = min(tcp_conn->in.copy, hdr_remains); - skb_copy_bits(skb, tcp_conn->in.offset, - (char*)&tcp_conn->hdr + tcp_conn->in.hdr_offset, - copylen); +static inline int +iscsi_tcp_dgst_verify(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) +{ + if (!segment->digest_len) + return 1; - debug_tcp("PDU gather offset %d bytes %d in.offset %d " - "in.copy %d\n", tcp_conn->in.hdr_offset, copylen, - tcp_conn->in.offset, tcp_conn->in.copy); + if (memcmp(segment->recv_digest, segment->digest, + segment->digest_len)) { + debug_scsi("digest mismatch\n"); + return 0; + } - tcp_conn->in.offset += copylen; - tcp_conn->in.copy -= copylen; - if (copylen < hdr_remains) { - tcp_conn->in_progress = IN_PROGRESS_HEADER_GATHER; - tcp_conn->in.hdr_offset += copylen; - return -EAGAIN; + return 1; +} + +/* + * Helper function to set up segment buffer + */ +static inline void +__iscsi_segment_init(struct iscsi_segment *segment, size_t size, + iscsi_segment_done_fn_t *done, struct hash_desc *hash) +{ + memset(segment, 0, sizeof(*segment)); + segment->total_size = size; + segment->done = done; + + if (hash) { + segment->hash = hash; + crypto_hash_init(hash); + } +} + +static inline void +iscsi_segment_init_linear(struct iscsi_segment *segment, void *data, + size_t size, iscsi_segment_done_fn_t *done, + struct hash_desc *hash) +{ + __iscsi_segment_init(segment, size, done, hash); + segment->data = data; + segment->size = size; +} + +static inline int +iscsi_segment_seek_sg(struct iscsi_segment *segment, + struct scatterlist *sg_list, unsigned int sg_count, + unsigned int offset, size_t size, + iscsi_segment_done_fn_t *done, struct hash_desc *hash) +{ + struct scatterlist *sg; + unsigned int i; + + debug_scsi("iscsi_segment_seek_sg offset %u size %llu\n", + offset, size); + __iscsi_segment_init(segment, size, done, hash); + for_each_sg(sg_list, sg, sg_count, i) { + debug_scsi("sg %d, len %u offset %u\n", i, sg->length, + sg->offset); + if (offset < sg->length) { + iscsi_tcp_segment_init_sg(segment, sg, offset); + return 0; } - tcp_conn->in.hdr = &tcp_conn->hdr; - tcp_conn->discontiguous_hdr_cnt++; - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; + offset -= sg->length; } + return ISCSI_ERR_DATA_OFFSET; +} + +/** + * iscsi_tcp_hdr_recv_prep - prep segment for hdr reception + * @tcp_conn: iscsi connection to prep for + * + * This function always passes NULL for the hash argument, because when this + * function is called we do not yet know the final size of the header and want + * to delay the digest processing until we know that. + */ +static void +iscsi_tcp_hdr_recv_prep(struct iscsi_tcp_conn *tcp_conn) +{ + debug_tcp("iscsi_tcp_hdr_recv_prep(%p%s)\n", tcp_conn, + tcp_conn->iscsi_conn->hdrdgst_en ? ", digest enabled" : ""); + iscsi_segment_init_linear(&tcp_conn->in.segment, + tcp_conn->in.hdr_buf, sizeof(struct iscsi_hdr), + iscsi_tcp_hdr_recv_done, NULL); +} + +/* + * Handle incoming reply to any other type of command + */ +static int +iscsi_tcp_data_recv_done(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) +{ + struct iscsi_conn *conn = tcp_conn->iscsi_conn; + int rc = 0; + + if (!iscsi_tcp_dgst_verify(tcp_conn, segment)) + return ISCSI_ERR_DATA_DGST; + + rc = iscsi_complete_pdu(conn, tcp_conn->in.hdr, + conn->data, tcp_conn->in.datalen); + if (rc) + return rc; + + iscsi_tcp_hdr_recv_prep(tcp_conn); return 0; } +static void +iscsi_tcp_data_recv_prep(struct iscsi_tcp_conn *tcp_conn) +{ + struct iscsi_conn *conn = tcp_conn->iscsi_conn; + struct hash_desc *rx_hash = NULL; + + if (conn->datadgst_en) + rx_hash = &tcp_conn->rx_hash; + + iscsi_segment_init_linear(&tcp_conn->in.segment, + conn->data, tcp_conn->in.datalen, + iscsi_tcp_data_recv_done, rx_hash); +} + /* * must be called with session lock */ @@ -184,7 +498,6 @@ iscsi_tcp_cleanup_ctask(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) { struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; struct iscsi_r2t_info *r2t; - struct scsi_cmnd *sc; /* flush ctask's r2t queues */ while (__kfifo_get(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*))) { @@ -193,12 +506,12 @@ iscsi_tcp_cleanup_ctask(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) debug_scsi("iscsi_tcp_cleanup_ctask pending r2t dropped\n"); } - sc = ctask->sc; - if (unlikely(!sc)) - return; - - tcp_ctask->xmstate = XMSTATE_VALUE_IDLE; - tcp_ctask->r2t = NULL; + r2t = tcp_ctask->r2t; + if (r2t != NULL) { + __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, + sizeof(void*)); + tcp_ctask->r2t = NULL; + } } /** @@ -217,11 +530,6 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) int datasn = be32_to_cpu(rhdr->datasn); iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr); - /* - * setup Data-In byte counter (gets decremented..) - */ - ctask->data_count = tcp_conn->in.datalen; - if (tcp_conn->in.datalen == 0) return 0; @@ -242,22 +550,20 @@ iscsi_data_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) } if (rhdr->flags & ISCSI_FLAG_DATA_STATUS) { + sc->result = (DID_OK << 16) | rhdr->cmd_status; conn->exp_statsn = be32_to_cpu(rhdr->statsn) + 1; - if (rhdr->flags & ISCSI_FLAG_DATA_UNDERFLOW) { + if (rhdr->flags & (ISCSI_FLAG_DATA_UNDERFLOW | + ISCSI_FLAG_DATA_OVERFLOW)) { int res_count = be32_to_cpu(rhdr->residual_count); if (res_count > 0 && - res_count <= scsi_bufflen(sc)) { + (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW || + res_count <= scsi_bufflen(sc))) scsi_set_resid(sc, res_count); - sc->result = (DID_OK << 16) | rhdr->cmd_status; - } else + else sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; - } else if (rhdr->flags & ISCSI_FLAG_DATA_OVERFLOW) { - scsi_set_resid(sc, be32_to_cpu(rhdr->residual_count)); - sc->result = (DID_OK << 16) | rhdr->cmd_status; - } else - sc->result = (DID_OK << 16) | rhdr->cmd_status; + } } conn->datain_pdus_cnt++; @@ -281,9 +587,6 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, struct iscsi_r2t_info *r2t) { struct iscsi_data *hdr; - struct scsi_cmnd *sc = ctask->sc; - int i, sg_count = 0; - struct scatterlist *sg; hdr = &r2t->dtask.hdr; memset(hdr, 0, sizeof(struct iscsi_data)); @@ -307,34 +610,6 @@ iscsi_solicit_data_init(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, conn->dataout_pdus_cnt++; r2t->sent = 0; - - iscsi_buf_init_iov(&r2t->headbuf, (char*)hdr, - sizeof(struct iscsi_hdr)); - - sg = scsi_sglist(sc); - r2t->sg = NULL; - for (i = 0; i < scsi_sg_count(sc); i++, sg += 1) { - /* FIXME: prefetch ? */ - if (sg_count + sg->length > r2t->data_offset) { - int page_offset; - - /* sg page found! */ - - /* offset within this page */ - page_offset = r2t->data_offset - sg_count; - - /* fill in this buffer */ - iscsi_buf_init_sg(&r2t->sendbuf, sg); - r2t->sendbuf.sg.offset += page_offset; - r2t->sendbuf.sg.length -= page_offset; - - /* xmit logic will continue with next one */ - r2t->sg = sg + 1; - break; - } - sg_count += sg->length; - } - BUG_ON(r2t->sg == NULL); } /** @@ -366,14 +641,11 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) } /* fill-in new R2T associated with the task */ - spin_lock(&session->lock); iscsi_update_cmdsn(session, (struct iscsi_nopin*)rhdr); - if (!ctask->sc || ctask->mtask || - session->state != ISCSI_STATE_LOGGED_IN) { + if (!ctask->sc || session->state != ISCSI_STATE_LOGGED_IN) { printk(KERN_INFO "iscsi_tcp: dropping R2T itt %d in " "recovery...\n", ctask->itt); - spin_unlock(&session->lock); return 0; } @@ -384,7 +656,8 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) r2t->data_length = be32_to_cpu(rhdr->data_length); if (r2t->data_length == 0) { printk(KERN_ERR "iscsi_tcp: invalid R2T with zero data len\n"); - spin_unlock(&session->lock); + __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, + sizeof(void*)); return ISCSI_ERR_DATALEN; } @@ -395,10 +668,11 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) r2t->data_offset = be32_to_cpu(rhdr->data_offset); if (r2t->data_offset + r2t->data_length > scsi_bufflen(ctask->sc)) { - spin_unlock(&session->lock); printk(KERN_ERR "iscsi_tcp: invalid R2T with data len %u at " "offset %u and total length %d\n", r2t->data_length, r2t->data_offset, scsi_bufflen(ctask->sc)); + __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, + sizeof(void*)); return ISCSI_ERR_DATALEN; } @@ -409,26 +683,55 @@ iscsi_r2t_rsp(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) tcp_ctask->exp_datasn = r2tsn + 1; __kfifo_put(tcp_ctask->r2tqueue, (void*)&r2t, sizeof(void*)); - set_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate); - list_move_tail(&ctask->running, &conn->xmitqueue); - - scsi_queue_work(session->host, &conn->xmitwork); conn->r2t_pdus_cnt++; - spin_unlock(&session->lock); + iscsi_requeue_ctask(ctask); return 0; } +/* + * Handle incoming reply to DataIn command + */ static int -iscsi_tcp_hdr_recv(struct iscsi_conn *conn) +iscsi_tcp_process_data_in(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) +{ + struct iscsi_conn *conn = tcp_conn->iscsi_conn; + struct iscsi_hdr *hdr = tcp_conn->in.hdr; + int rc; + + if (!iscsi_tcp_dgst_verify(tcp_conn, segment)) + return ISCSI_ERR_DATA_DGST; + + /* check for non-exceptional status */ + if (hdr->flags & ISCSI_FLAG_DATA_STATUS) { + rc = iscsi_complete_pdu(conn, tcp_conn->in.hdr, NULL, 0); + if (rc) + return rc; + } + + iscsi_tcp_hdr_recv_prep(tcp_conn); + return 0; +} + +/** + * iscsi_tcp_hdr_dissect - process PDU header + * @conn: iSCSI connection + * @hdr: PDU header + * + * This function analyzes the header of the PDU received, + * and performs several sanity checks. If the PDU is accompanied + * by data, the receive buffer is set up to copy the incoming data + * to the correct location. + */ +static int +iscsi_tcp_hdr_dissect(struct iscsi_conn *conn, struct iscsi_hdr *hdr) { int rc = 0, opcode, ahslen; - struct iscsi_hdr *hdr; struct iscsi_session *session = conn->session; struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - uint32_t cdgst, rdgst = 0, itt; - - hdr = tcp_conn->in.hdr; + struct iscsi_cmd_task *ctask; + uint32_t itt; /* verify PDU length */ tcp_conn->in.datalen = ntoh24(hdr->dlength); @@ -437,78 +740,73 @@ iscsi_tcp_hdr_recv(struct iscsi_conn *conn) tcp_conn->in.datalen, conn->max_recv_dlength); return ISCSI_ERR_DATALEN; } - tcp_conn->data_copied = 0; - /* read AHS */ + /* Additional header segments. So far, we don't + * process additional headers. + */ ahslen = hdr->hlength << 2; - tcp_conn->in.offset += ahslen; - tcp_conn->in.copy -= ahslen; - if (tcp_conn->in.copy < 0) { - printk(KERN_ERR "iscsi_tcp: can't handle AHS with length " - "%d bytes\n", ahslen); - return ISCSI_ERR_AHSLEN; - } - - /* calculate read padding */ - tcp_conn->in.padding = tcp_conn->in.datalen & (ISCSI_PAD_LEN-1); - if (tcp_conn->in.padding) { - tcp_conn->in.padding = ISCSI_PAD_LEN - tcp_conn->in.padding; - debug_scsi("read padding %d bytes\n", tcp_conn->in.padding); - } - - if (conn->hdrdgst_en) { - struct scatterlist sg; - - sg_init_one(&sg, (u8 *)hdr, - sizeof(struct iscsi_hdr) + ahslen); - crypto_hash_digest(&tcp_conn->rx_hash, &sg, sg.length, - (u8 *)&cdgst); - rdgst = *(uint32_t*)((char*)hdr + sizeof(struct iscsi_hdr) + - ahslen); - if (cdgst != rdgst) { - printk(KERN_ERR "iscsi_tcp: hdrdgst error " - "recv 0x%x calc 0x%x\n", rdgst, cdgst); - return ISCSI_ERR_HDR_DGST; - } - } opcode = hdr->opcode & ISCSI_OPCODE_MASK; /* verify itt (itt encoding: age+cid+itt) */ rc = iscsi_verify_itt(conn, hdr, &itt); - if (rc == ISCSI_ERR_NO_SCSI_CMD) { - tcp_conn->in.datalen = 0; /* force drop */ - return 0; - } else if (rc) + if (rc) return rc; - debug_tcp("opcode 0x%x offset %d copy %d ahslen %d datalen %d\n", - opcode, tcp_conn->in.offset, tcp_conn->in.copy, - ahslen, tcp_conn->in.datalen); + debug_tcp("opcode 0x%x ahslen %d datalen %d\n", + opcode, ahslen, tcp_conn->in.datalen); switch(opcode) { case ISCSI_OP_SCSI_DATA_IN: - tcp_conn->in.ctask = session->cmds[itt]; - rc = iscsi_data_rsp(conn, tcp_conn->in.ctask); + ctask = session->cmds[itt]; + spin_lock(&conn->session->lock); + rc = iscsi_data_rsp(conn, ctask); + spin_unlock(&conn->session->lock); if (rc) return rc; + if (tcp_conn->in.datalen) { + struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; + struct hash_desc *rx_hash = NULL; + + /* + * Setup copy of Data-In into the Scsi_Cmnd + * Scatterlist case: + * We set up the iscsi_segment to point to the next + * scatterlist entry to copy to. As we go along, + * we move on to the next scatterlist entry and + * update the digest per-entry. + */ + if (conn->datadgst_en) + rx_hash = &tcp_conn->rx_hash; + + debug_tcp("iscsi_tcp_begin_data_in(%p, offset=%d, " + "datalen=%d)\n", tcp_conn, + tcp_ctask->data_offset, + tcp_conn->in.datalen); + return iscsi_segment_seek_sg(&tcp_conn->in.segment, + scsi_sglist(ctask->sc), + scsi_sg_count(ctask->sc), + tcp_ctask->data_offset, + tcp_conn->in.datalen, + iscsi_tcp_process_data_in, + rx_hash); + } /* fall through */ case ISCSI_OP_SCSI_CMD_RSP: - tcp_conn->in.ctask = session->cmds[itt]; - if (tcp_conn->in.datalen) - goto copy_hdr; - - spin_lock(&session->lock); - rc = __iscsi_complete_pdu(conn, hdr, NULL, 0); - spin_unlock(&session->lock); + if (tcp_conn->in.datalen) { + iscsi_tcp_data_recv_prep(tcp_conn); + return 0; + } + rc = iscsi_complete_pdu(conn, hdr, NULL, 0); break; case ISCSI_OP_R2T: - tcp_conn->in.ctask = session->cmds[itt]; + ctask = session->cmds[itt]; if (ahslen) rc = ISCSI_ERR_AHSLEN; - else if (tcp_conn->in.ctask->sc->sc_data_direction == - DMA_TO_DEVICE) - rc = iscsi_r2t_rsp(conn, tcp_conn->in.ctask); - else + else if (ctask->sc->sc_data_direction == DMA_TO_DEVICE) { + spin_lock(&session->lock); + rc = iscsi_r2t_rsp(conn, ctask); + spin_unlock(&session->lock); + } else rc = ISCSI_ERR_PROTO; break; case ISCSI_OP_LOGIN_RSP: @@ -520,8 +818,7 @@ iscsi_tcp_hdr_recv(struct iscsi_conn *conn) * than 8K, but there are no targets that currently do this. * For now we fail until we find a vendor that needs it */ - if (ISCSI_DEF_MAX_RECV_SEG_LEN < - tcp_conn->in.datalen) { + if (ISCSI_DEF_MAX_RECV_SEG_LEN < tcp_conn->in.datalen) { printk(KERN_ERR "iscsi_tcp: received buffer of len %u " "but conn buffer is only %u (opcode %0x)\n", tcp_conn->in.datalen, @@ -530,8 +827,13 @@ iscsi_tcp_hdr_recv(struct iscsi_conn *conn) break; } - if (tcp_conn->in.datalen) - goto copy_hdr; + /* If there's data coming in with the response, + * receive it to the connection's buffer. + */ + if (tcp_conn->in.datalen) { + iscsi_tcp_data_recv_prep(tcp_conn); + return 0; + } /* fall through */ case ISCSI_OP_LOGOUT_RSP: case ISCSI_OP_NOOP_IN: @@ -543,461 +845,161 @@ iscsi_tcp_hdr_recv(struct iscsi_conn *conn) break; } - return rc; - -copy_hdr: - /* - * if we did zero copy for the header but we will need multiple - * skbs to complete the command then we have to copy the header - * for later use - */ - if (tcp_conn->in.zero_copy_hdr && tcp_conn->in.copy <= - (tcp_conn->in.datalen + tcp_conn->in.padding + - (conn->datadgst_en ? 4 : 0))) { - debug_tcp("Copying header for later use. in.copy %d in.datalen" - " %d\n", tcp_conn->in.copy, tcp_conn->in.datalen); - memcpy(&tcp_conn->hdr, tcp_conn->in.hdr, - sizeof(struct iscsi_hdr)); - tcp_conn->in.hdr = &tcp_conn->hdr; - tcp_conn->in.zero_copy_hdr = 0; - } - return 0; -} - -/** - * iscsi_ctask_copy - copy skb bits to the destanation cmd task - * @conn: iscsi tcp connection - * @ctask: scsi command task - * @buf: buffer to copy to - * @buf_size: size of buffer - * @offset: offset within the buffer - * - * Notes: - * The function calls skb_copy_bits() and updates per-connection and - * per-cmd byte counters. - * - * Read counters (in bytes): - * - * conn->in.offset offset within in progress SKB - * conn->in.copy left to copy from in progress SKB - * including padding - * conn->in.copied copied already from in progress SKB - * conn->data_copied copied already from in progress buffer - * ctask->sent total bytes sent up to the MidLayer - * ctask->data_count left to copy from in progress Data-In - * buf_left left to copy from in progress buffer - **/ -static inline int -iscsi_ctask_copy(struct iscsi_tcp_conn *tcp_conn, struct iscsi_cmd_task *ctask, - void *buf, int buf_size, int offset) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - int buf_left = buf_size - (tcp_conn->data_copied + offset); - unsigned size = min(tcp_conn->in.copy, buf_left); - int rc; - - size = min(size, ctask->data_count); - - debug_tcp("ctask_copy %d bytes at offset %d copied %d\n", - size, tcp_conn->in.offset, tcp_conn->in.copied); - - BUG_ON(size <= 0); - BUG_ON(tcp_ctask->sent + size > scsi_bufflen(ctask->sc)); - - rc = skb_copy_bits(tcp_conn->in.skb, tcp_conn->in.offset, - (char*)buf + (offset + tcp_conn->data_copied), size); - /* must fit into skb->len */ - BUG_ON(rc); - - tcp_conn->in.offset += size; - tcp_conn->in.copy -= size; - tcp_conn->in.copied += size; - tcp_conn->data_copied += size; - tcp_ctask->sent += size; - ctask->data_count -= size; - - BUG_ON(tcp_conn->in.copy < 0); - BUG_ON(ctask->data_count < 0); - - if (buf_size != (tcp_conn->data_copied + offset)) { - if (!ctask->data_count) { - BUG_ON(buf_size - tcp_conn->data_copied < 0); - /* done with this PDU */ - return buf_size - tcp_conn->data_copied; - } - return -EAGAIN; + if (rc == 0) { + /* Anything that comes with data should have + * been handled above. */ + if (tcp_conn->in.datalen) + return ISCSI_ERR_PROTO; + iscsi_tcp_hdr_recv_prep(tcp_conn); } - /* done with this buffer or with both - PDU and buffer */ - tcp_conn->data_copied = 0; - return 0; + return rc; } /** - * iscsi_tcp_copy - copy skb bits to the destanation buffer - * @conn: iscsi tcp connection + * iscsi_tcp_hdr_recv_done - process PDU header * - * Notes: - * The function calls skb_copy_bits() and updates per-connection - * byte counters. - **/ -static inline int -iscsi_tcp_copy(struct iscsi_conn *conn, int buf_size) -{ - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - int buf_left = buf_size - tcp_conn->data_copied; - int size = min(tcp_conn->in.copy, buf_left); - int rc; - - debug_tcp("tcp_copy %d bytes at offset %d copied %d\n", - size, tcp_conn->in.offset, tcp_conn->data_copied); - BUG_ON(size <= 0); - - rc = skb_copy_bits(tcp_conn->in.skb, tcp_conn->in.offset, - (char*)conn->data + tcp_conn->data_copied, size); - BUG_ON(rc); - - tcp_conn->in.offset += size; - tcp_conn->in.copy -= size; - tcp_conn->in.copied += size; - tcp_conn->data_copied += size; - - if (buf_size != tcp_conn->data_copied) - return -EAGAIN; - - return 0; -} - -static inline void -partial_sg_digest_update(struct hash_desc *desc, struct scatterlist *sg, - int offset, int length) -{ - struct scatterlist temp; - - sg_init_table(&temp, 1); - sg_set_page(&temp, sg_page(sg), length, offset); - crypto_hash_update(desc, &temp, length); -} - -static void -iscsi_recv_digest_update(struct iscsi_tcp_conn *tcp_conn, char* buf, int len) -{ - struct scatterlist tmp; - - sg_init_one(&tmp, buf, len); - crypto_hash_update(&tcp_conn->rx_hash, &tmp, len); -} - -static int iscsi_scsi_data_in(struct iscsi_conn *conn) + * This is the callback invoked when the PDU header has + * been received. If the header is followed by additional + * header segments, we go back for more data. + */ +static int +iscsi_tcp_hdr_recv_done(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) { - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - struct iscsi_cmd_task *ctask = tcp_conn->in.ctask; - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - struct scsi_cmnd *sc = ctask->sc; - struct scatterlist *sg; - int i, offset, rc = 0; - - BUG_ON((void*)ctask != sc->SCp.ptr); - - offset = tcp_ctask->data_offset; - sg = scsi_sglist(sc); - - if (tcp_ctask->data_offset) - for (i = 0; i < tcp_ctask->sg_count; i++) - offset -= sg[i].length; - /* we've passed through partial sg*/ - if (offset < 0) - offset = 0; - - for (i = tcp_ctask->sg_count; i < scsi_sg_count(sc); i++) { - char *dest; - - dest = kmap_atomic(sg_page(&sg[i]), KM_SOFTIRQ0); - rc = iscsi_ctask_copy(tcp_conn, ctask, dest + sg[i].offset, - sg[i].length, offset); - kunmap_atomic(dest, KM_SOFTIRQ0); - if (rc == -EAGAIN) - /* continue with the next SKB/PDU */ - return rc; - if (!rc) { - if (conn->datadgst_en) { - if (!offset) - crypto_hash_update( - &tcp_conn->rx_hash, - &sg[i], sg[i].length); - else - partial_sg_digest_update( - &tcp_conn->rx_hash, - &sg[i], - sg[i].offset + offset, - sg[i].length - offset); - } - offset = 0; - tcp_ctask->sg_count++; - } - - if (!ctask->data_count) { - if (rc && conn->datadgst_en) - /* - * data-in is complete, but buffer not... - */ - partial_sg_digest_update(&tcp_conn->rx_hash, - &sg[i], - sg[i].offset, - sg[i].length-rc); - rc = 0; - break; - } - - if (!tcp_conn->in.copy) - return -EAGAIN; - } - BUG_ON(ctask->data_count); + struct iscsi_conn *conn = tcp_conn->iscsi_conn; + struct iscsi_hdr *hdr; - /* check for non-exceptional status */ - if (tcp_conn->in.hdr->flags & ISCSI_FLAG_DATA_STATUS) { - debug_scsi("done [sc %lx res %d itt 0x%x flags 0x%x]\n", - (long)sc, sc->result, ctask->itt, - tcp_conn->in.hdr->flags); - spin_lock(&conn->session->lock); - __iscsi_complete_pdu(conn, tcp_conn->in.hdr, NULL, 0); - spin_unlock(&conn->session->lock); + /* Check if there are additional header segments + * *prior* to computing the digest, because we + * may need to go back to the caller for more. + */ + hdr = (struct iscsi_hdr *) tcp_conn->in.hdr_buf; + if (segment->copied == sizeof(struct iscsi_hdr) && hdr->hlength) { + /* Bump the header length - the caller will + * just loop around and get the AHS for us, and + * call again. */ + unsigned int ahslen = hdr->hlength << 2; + + /* Make sure we don't overflow */ + if (sizeof(*hdr) + ahslen > sizeof(tcp_conn->in.hdr_buf)) + return ISCSI_ERR_AHSLEN; + + segment->total_size += ahslen; + segment->size += ahslen; + return 0; } - return rc; -} - -static int -iscsi_data_recv(struct iscsi_conn *conn) -{ - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - int rc = 0, opcode; - - opcode = tcp_conn->in.hdr->opcode & ISCSI_OPCODE_MASK; - switch (opcode) { - case ISCSI_OP_SCSI_DATA_IN: - rc = iscsi_scsi_data_in(conn); - break; - case ISCSI_OP_SCSI_CMD_RSP: - case ISCSI_OP_TEXT_RSP: - case ISCSI_OP_LOGIN_RSP: - case ISCSI_OP_ASYNC_EVENT: - case ISCSI_OP_REJECT: - /* - * Collect data segment to the connection's data - * placeholder - */ - if (iscsi_tcp_copy(conn, tcp_conn->in.datalen)) { - rc = -EAGAIN; - goto exit; + /* We're done processing the header. See if we're doing + * header digests; if so, set up the recv_digest buffer + * and go back for more. */ + if (conn->hdrdgst_en) { + if (segment->digest_len == 0) { + iscsi_tcp_segment_splice_digest(segment, + segment->recv_digest); + return 0; } + iscsi_tcp_dgst_header(&tcp_conn->rx_hash, hdr, + segment->total_copied - ISCSI_DIGEST_SIZE, + segment->digest); - rc = iscsi_complete_pdu(conn, tcp_conn->in.hdr, conn->data, - tcp_conn->in.datalen); - if (!rc && conn->datadgst_en && opcode != ISCSI_OP_LOGIN_RSP) - iscsi_recv_digest_update(tcp_conn, conn->data, - tcp_conn->in.datalen); - break; - default: - BUG_ON(1); + if (!iscsi_tcp_dgst_verify(tcp_conn, segment)) + return ISCSI_ERR_HDR_DGST; } -exit: - return rc; + + tcp_conn->in.hdr = hdr; + return iscsi_tcp_hdr_dissect(conn, hdr); } /** - * iscsi_tcp_data_recv - TCP receive in sendfile fashion + * iscsi_tcp_recv - TCP receive in sendfile fashion * @rd_desc: read descriptor * @skb: socket buffer * @offset: offset in skb * @len: skb->len - offset **/ static int -iscsi_tcp_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, - unsigned int offset, size_t len) +iscsi_tcp_recv(read_descriptor_t *rd_desc, struct sk_buff *skb, + unsigned int offset, size_t len) { - int rc; struct iscsi_conn *conn = rd_desc->arg.data; struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - int processed; - char pad[ISCSI_PAD_LEN]; - struct scatterlist sg; - - /* - * Save current SKB and its offset in the corresponding - * connection context. - */ - tcp_conn->in.copy = skb->len - offset; - tcp_conn->in.offset = offset; - tcp_conn->in.skb = skb; - tcp_conn->in.len = tcp_conn->in.copy; - BUG_ON(tcp_conn->in.copy <= 0); - debug_tcp("in %d bytes\n", tcp_conn->in.copy); + struct iscsi_segment *segment = &tcp_conn->in.segment; + struct skb_seq_state seq; + unsigned int consumed = 0; + int rc = 0; -more: - tcp_conn->in.copied = 0; - rc = 0; + debug_tcp("in %d bytes\n", skb->len - offset); if (unlikely(conn->suspend_rx)) { debug_tcp("conn %d Rx suspended!\n", conn->id); return 0; } - if (tcp_conn->in_progress == IN_PROGRESS_WAIT_HEADER || - tcp_conn->in_progress == IN_PROGRESS_HEADER_GATHER) { - rc = iscsi_hdr_extract(tcp_conn); - if (rc) { - if (rc == -EAGAIN) - goto nomore; - else { - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - return 0; - } - } + skb_prepare_seq_read(skb, offset, skb->len, &seq); + while (1) { + unsigned int avail; + const u8 *ptr; - /* - * Verify and process incoming PDU header. - */ - rc = iscsi_tcp_hdr_recv(conn); - if (!rc && tcp_conn->in.datalen) { - if (conn->datadgst_en) - crypto_hash_init(&tcp_conn->rx_hash); - tcp_conn->in_progress = IN_PROGRESS_DATA_RECV; - } else if (rc) { - iscsi_conn_failure(conn, rc); - return 0; + avail = skb_seq_read(consumed, &ptr, &seq); + if (avail == 0) { + debug_tcp("no more data avail. Consumed %d\n", + consumed); + break; } - } - - if (tcp_conn->in_progress == IN_PROGRESS_DDIGEST_RECV && - tcp_conn->in.copy) { - uint32_t recv_digest; - - debug_tcp("extra data_recv offset %d copy %d\n", - tcp_conn->in.offset, tcp_conn->in.copy); - - if (!tcp_conn->data_copied) { - if (tcp_conn->in.padding) { - debug_tcp("padding -> %d\n", - tcp_conn->in.padding); - memset(pad, 0, tcp_conn->in.padding); - sg_init_one(&sg, pad, tcp_conn->in.padding); - crypto_hash_update(&tcp_conn->rx_hash, - &sg, sg.length); + BUG_ON(segment->copied >= segment->size); + + debug_tcp("skb %p ptr=%p avail=%u\n", skb, ptr, avail); + rc = iscsi_tcp_segment_recv(tcp_conn, segment, ptr, avail); + BUG_ON(rc == 0); + consumed += rc; + + if (segment->total_copied >= segment->total_size) { + debug_tcp("segment done\n"); + rc = segment->done(tcp_conn, segment); + if (rc != 0) { + skb_abort_seq_read(&seq); + goto error; } - crypto_hash_final(&tcp_conn->rx_hash, - (u8 *) &tcp_conn->in.datadgst); - debug_tcp("rx digest 0x%x\n", tcp_conn->in.datadgst); - } - rc = iscsi_tcp_copy(conn, sizeof(uint32_t)); - if (rc) { - if (rc == -EAGAIN) - goto again; - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - return 0; - } - - memcpy(&recv_digest, conn->data, sizeof(uint32_t)); - if (recv_digest != tcp_conn->in.datadgst) { - debug_tcp("iscsi_tcp: data digest error!" - "0x%x != 0x%x\n", recv_digest, - tcp_conn->in.datadgst); - iscsi_conn_failure(conn, ISCSI_ERR_DATA_DGST); - return 0; - } else { - debug_tcp("iscsi_tcp: data digest match!" - "0x%x == 0x%x\n", recv_digest, - tcp_conn->in.datadgst); - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; + /* The done() functions sets up the + * next segment. */ } } + skb_abort_seq_read(&seq); + conn->rxdata_octets += consumed; + return consumed; - if (tcp_conn->in_progress == IN_PROGRESS_DATA_RECV && - tcp_conn->in.copy) { - debug_tcp("data_recv offset %d copy %d\n", - tcp_conn->in.offset, tcp_conn->in.copy); - - rc = iscsi_data_recv(conn); - if (rc) { - if (rc == -EAGAIN) - goto again; - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - return 0; - } - - if (tcp_conn->in.padding) - tcp_conn->in_progress = IN_PROGRESS_PAD_RECV; - else if (conn->datadgst_en) - tcp_conn->in_progress = IN_PROGRESS_DDIGEST_RECV; - else - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; - tcp_conn->data_copied = 0; - } - - if (tcp_conn->in_progress == IN_PROGRESS_PAD_RECV && - tcp_conn->in.copy) { - int copylen = min(tcp_conn->in.padding - tcp_conn->data_copied, - tcp_conn->in.copy); - - tcp_conn->in.copy -= copylen; - tcp_conn->in.offset += copylen; - tcp_conn->data_copied += copylen; - - if (tcp_conn->data_copied != tcp_conn->in.padding) - tcp_conn->in_progress = IN_PROGRESS_PAD_RECV; - else if (conn->datadgst_en) - tcp_conn->in_progress = IN_PROGRESS_DDIGEST_RECV; - else - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; - tcp_conn->data_copied = 0; - } - - debug_tcp("f, processed %d from out of %d padding %d\n", - tcp_conn->in.offset - offset, (int)len, tcp_conn->in.padding); - BUG_ON(tcp_conn->in.offset - offset > len); - - if (tcp_conn->in.offset - offset != len) { - debug_tcp("continue to process %d bytes\n", - (int)len - (tcp_conn->in.offset - offset)); - goto more; - } - -nomore: - processed = tcp_conn->in.offset - offset; - BUG_ON(processed == 0); - return processed; - -again: - processed = tcp_conn->in.offset - offset; - debug_tcp("c, processed %d from out of %d rd_desc_cnt %d\n", - processed, (int)len, (int)rd_desc->count); - BUG_ON(processed == 0); - BUG_ON(processed > len); - - conn->rxdata_octets += processed; - return processed; +error: + debug_tcp("Error receiving PDU, errno=%d\n", rc); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + return 0; } static void iscsi_tcp_data_ready(struct sock *sk, int flag) { struct iscsi_conn *conn = sk->sk_user_data; + struct iscsi_tcp_conn *tcp_conn = conn->dd_data; read_descriptor_t rd_desc; read_lock(&sk->sk_callback_lock); /* - * Use rd_desc to pass 'conn' to iscsi_tcp_data_recv. + * Use rd_desc to pass 'conn' to iscsi_tcp_recv. * We set count to 1 because we want the network layer to - * hand us all the skbs that are available. iscsi_tcp_data_recv + * hand us all the skbs that are available. iscsi_tcp_recv * handled pdus that cross buffers or pdus that still need data. */ rd_desc.arg.data = conn; rd_desc.count = 1; - tcp_read_sock(sk, &rd_desc, iscsi_tcp_data_recv); + tcp_read_sock(sk, &rd_desc, iscsi_tcp_recv); read_unlock(&sk->sk_callback_lock); + + /* If we had to (atomically) map a highmem page, + * unmap it now. */ + iscsi_tcp_segment_unmap(&tcp_conn->in.segment); } static void @@ -1077,121 +1079,173 @@ iscsi_conn_restore_callbacks(struct iscsi_tcp_conn *tcp_conn) } /** - * iscsi_send - generic send routine - * @sk: kernel's socket - * @buf: buffer to write from - * @size: actual size to write - * @flags: socket's flags - */ -static inline int -iscsi_send(struct iscsi_conn *conn, struct iscsi_buf *buf, int size, int flags) + * iscsi_xmit - TCP transmit + **/ +static int +iscsi_xmit(struct iscsi_conn *conn) { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - struct socket *sk = tcp_conn->sock; - int offset = buf->sg.offset + buf->sent, res; + struct iscsi_segment *segment = &tcp_conn->out.segment; + unsigned int consumed = 0; + int rc = 0; - /* - * if we got use_sg=0 or are sending something we kmallocd - * then we did not have to do kmap (kmap returns page_address) - * - * if we got use_sg > 0, but had to drop down, we do not - * set clustering so this should only happen for that - * slab case. - */ - if (buf->use_sendmsg) - res = sock_no_sendpage(sk, sg_page(&buf->sg), offset, size, flags); - else - res = tcp_conn->sendpage(sk, sg_page(&buf->sg), offset, size, flags); - - if (res >= 0) { - conn->txdata_octets += res; - buf->sent += res; - return res; + while (1) { + rc = iscsi_tcp_xmit_segment(tcp_conn, segment); + if (rc < 0) + goto error; + if (rc == 0) + break; + + consumed += rc; + + if (segment->total_copied >= segment->total_size) { + if (segment->done != NULL) { + rc = segment->done(tcp_conn, segment); + if (rc < 0) + goto error; + } + } } - tcp_conn->sendpage_failures_cnt++; - if (res == -EAGAIN) - res = -ENOBUFS; - else - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - return res; + debug_tcp("xmit %d bytes\n", consumed); + + conn->txdata_octets += consumed; + return consumed; + +error: + /* Transmit error. We could initiate error recovery + * here. */ + debug_tcp("Error sending PDU, errno=%d\n", rc); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + return rc; } /** - * iscsi_sendhdr - send PDU Header via tcp_sendpage() - * @conn: iscsi connection - * @buf: buffer to write from - * @datalen: lenght of data to be sent after the header - * - * Notes: - * (Tx, Fast Path) - **/ + * iscsi_tcp_xmit_qlen - return the number of bytes queued for xmit + */ static inline int -iscsi_sendhdr(struct iscsi_conn *conn, struct iscsi_buf *buf, int datalen) +iscsi_tcp_xmit_qlen(struct iscsi_conn *conn) { - int flags = 0; /* MSG_DONTWAIT; */ - int res, size; - - size = buf->sg.length - buf->sent; - BUG_ON(buf->sent + size > buf->sg.length); - if (buf->sent + size != buf->sg.length || datalen) - flags |= MSG_MORE; - - res = iscsi_send(conn, buf, size, flags); - debug_tcp("sendhdr %d bytes, sent %d res %d\n", size, buf->sent, res); - if (res >= 0) { - if (size != res) - return -EAGAIN; - return 0; - } + struct iscsi_tcp_conn *tcp_conn = conn->dd_data; + struct iscsi_segment *segment = &tcp_conn->out.segment; - return res; + return segment->total_copied - segment->total_size; } -/** - * iscsi_sendpage - send one page of iSCSI Data-Out. - * @conn: iscsi connection - * @buf: buffer to write from - * @count: remaining data - * @sent: number of bytes sent - * - * Notes: - * (Tx, Fast Path) - **/ static inline int -iscsi_sendpage(struct iscsi_conn *conn, struct iscsi_buf *buf, - int *count, int *sent) +iscsi_tcp_flush(struct iscsi_conn *conn) { - int flags = 0; /* MSG_DONTWAIT; */ - int res, size; - - size = buf->sg.length - buf->sent; - BUG_ON(buf->sent + size > buf->sg.length); - if (size > *count) - size = *count; - if (buf->sent + size != buf->sg.length || *count != size) - flags |= MSG_MORE; - - res = iscsi_send(conn, buf, size, flags); - debug_tcp("sendpage: %d bytes, sent %d left %d sent %d res %d\n", - size, buf->sent, *count, *sent, res); - if (res >= 0) { - *count -= res; - *sent += res; - if (size != res) + int rc; + + while (iscsi_tcp_xmit_qlen(conn)) { + rc = iscsi_xmit(conn); + if (rc == 0) return -EAGAIN; - return 0; + if (rc < 0) + return rc; } - return res; + return 0; } -static inline void -iscsi_data_digest_init(struct iscsi_tcp_conn *tcp_conn, - struct iscsi_tcp_cmd_task *tcp_ctask) +/* + * This is called when we're done sending the header. + * Simply copy the data_segment to the send segment, and return. + */ +static int +iscsi_tcp_send_hdr_done(struct iscsi_tcp_conn *tcp_conn, + struct iscsi_segment *segment) +{ + tcp_conn->out.segment = tcp_conn->out.data_segment; + debug_tcp("Header done. Next segment size %u total_size %u\n", + tcp_conn->out.segment.size, tcp_conn->out.segment.total_size); + return 0; +} + +static void +iscsi_tcp_send_hdr_prep(struct iscsi_conn *conn, void *hdr, size_t hdrlen) { - crypto_hash_init(&tcp_conn->tx_hash); - tcp_ctask->digest_count = 4; + struct iscsi_tcp_conn *tcp_conn = conn->dd_data; + + debug_tcp("%s(%p%s)\n", __FUNCTION__, tcp_conn, + conn->hdrdgst_en? ", digest enabled" : ""); + + /* Clear the data segment - needs to be filled in by the + * caller using iscsi_tcp_send_data_prep() */ + memset(&tcp_conn->out.data_segment, 0, sizeof(struct iscsi_segment)); + + /* If header digest is enabled, compute the CRC and + * place the digest into the same buffer. We make + * sure that both iscsi_tcp_ctask and mtask have + * sufficient room. + */ + if (conn->hdrdgst_en) { + iscsi_tcp_dgst_header(&tcp_conn->tx_hash, hdr, hdrlen, + hdr + hdrlen); + hdrlen += ISCSI_DIGEST_SIZE; + } + + /* Remember header pointer for later, when we need + * to decide whether there's a payload to go along + * with the header. */ + tcp_conn->out.hdr = hdr; + + iscsi_segment_init_linear(&tcp_conn->out.segment, hdr, hdrlen, + iscsi_tcp_send_hdr_done, NULL); +} + +/* + * Prepare the send buffer for the payload data. + * Padding and checksumming will all be taken care + * of by the iscsi_segment routines. + */ +static int +iscsi_tcp_send_data_prep(struct iscsi_conn *conn, struct scatterlist *sg, + unsigned int count, unsigned int offset, + unsigned int len) +{ + struct iscsi_tcp_conn *tcp_conn = conn->dd_data; + struct hash_desc *tx_hash = NULL; + unsigned int hdr_spec_len; + + debug_tcp("%s(%p, offset=%d, datalen=%d%s)\n", __FUNCTION__, + tcp_conn, offset, len, + conn->datadgst_en? ", digest enabled" : ""); + + /* Make sure the datalen matches what the caller + said he would send. */ + hdr_spec_len = ntoh24(tcp_conn->out.hdr->dlength); + WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); + + if (conn->datadgst_en) + tx_hash = &tcp_conn->tx_hash; + + return iscsi_segment_seek_sg(&tcp_conn->out.data_segment, + sg, count, offset, len, + NULL, tx_hash); +} + +static void +iscsi_tcp_send_linear_data_prepare(struct iscsi_conn *conn, void *data, + size_t len) +{ + struct iscsi_tcp_conn *tcp_conn = conn->dd_data; + struct hash_desc *tx_hash = NULL; + unsigned int hdr_spec_len; + + debug_tcp("%s(%p, datalen=%d%s)\n", __FUNCTION__, tcp_conn, len, + conn->datadgst_en? ", digest enabled" : ""); + + /* Make sure the datalen matches what the caller + said he would send. */ + hdr_spec_len = ntoh24(tcp_conn->out.hdr->dlength); + WARN_ON(iscsi_padded(len) != iscsi_padded(hdr_spec_len)); + + if (conn->datadgst_en) + tx_hash = &tcp_conn->tx_hash; + + iscsi_segment_init_linear(&tcp_conn->out.data_segment, + data, len, NULL, tx_hash); } /** @@ -1207,12 +1261,17 @@ iscsi_data_digest_init(struct iscsi_tcp_conn *tcp_conn, * * Called under connection lock. **/ -static void +static int iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, - struct iscsi_r2t_info *r2t, int left) + struct iscsi_r2t_info *r2t) { struct iscsi_data *hdr; - int new_offset; + int new_offset, left; + + BUG_ON(r2t->data_length - r2t->sent < 0); + left = r2t->data_length - r2t->sent; + if (left == 0) + return 0; hdr = &r2t->dtask.hdr; memset(hdr, 0, sizeof(struct iscsi_data)); @@ -1233,43 +1292,46 @@ iscsi_solicit_data_cont(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, r2t->data_count = left; hdr->flags = ISCSI_FLAG_CMD_FINAL; } - conn->dataout_pdus_cnt++; - - iscsi_buf_init_iov(&r2t->headbuf, (char*)hdr, - sizeof(struct iscsi_hdr)); - - if (iscsi_buf_left(&r2t->sendbuf)) - return; - - iscsi_buf_init_sg(&r2t->sendbuf, r2t->sg); - r2t->sg += 1; -} -static void iscsi_set_padding(struct iscsi_tcp_cmd_task *tcp_ctask, - unsigned long len) -{ - tcp_ctask->pad_count = len & (ISCSI_PAD_LEN - 1); - if (!tcp_ctask->pad_count) - return; - - tcp_ctask->pad_count = ISCSI_PAD_LEN - tcp_ctask->pad_count; - debug_scsi("write padding %d bytes\n", tcp_ctask->pad_count); - set_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate); + conn->dataout_pdus_cnt++; + return 1; } /** - * iscsi_tcp_cmd_init - Initialize iSCSI SCSI_READ or SCSI_WRITE commands + * iscsi_tcp_ctask - Initialize iSCSI SCSI_READ or SCSI_WRITE commands * @conn: iscsi connection * @ctask: scsi command task * @sc: scsi command **/ -static void -iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask) +static int +iscsi_tcp_ctask_init(struct iscsi_cmd_task *ctask) { struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; + struct iscsi_conn *conn = ctask->conn; + struct scsi_cmnd *sc = ctask->sc; + int err; BUG_ON(__kfifo_len(tcp_ctask->r2tqueue)); - tcp_ctask->xmstate = 1 << XMSTATE_BIT_CMD_HDR_INIT; + tcp_ctask->sent = 0; + tcp_ctask->exp_datasn = 0; + + /* Prepare PDU, optionally w/ immediate data */ + debug_scsi("ctask deq [cid %d itt 0x%x imm %d unsol %d]\n", + conn->id, ctask->itt, ctask->imm_count, + ctask->unsol_count); + iscsi_tcp_send_hdr_prep(conn, ctask->hdr, ctask->hdr_len); + + if (!ctask->imm_count) + return 0; + + /* If we have immediate data, attach a payload */ + err = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc), scsi_sg_count(sc), + 0, ctask->imm_count); + if (err) + return err; + tcp_ctask->sent += ctask->imm_count; + ctask->imm_count = 0; + return 0; } /** @@ -1281,484 +1343,130 @@ iscsi_tcp_cmd_init(struct iscsi_cmd_task *ctask) * The function can return -EAGAIN in which case caller must * call it again later, or recover. '0' return code means successful * xmit. - * - * Management xmit state machine consists of these states: - * XMSTATE_BIT_IMM_HDR_INIT - calculate digest of PDU Header - * XMSTATE_BIT_IMM_HDR - PDU Header xmit in progress - * XMSTATE_BIT_IMM_DATA - PDU Data xmit in progress - * XMSTATE_VALUE_IDLE - management PDU is done **/ static int iscsi_tcp_mtask_xmit(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask) { - struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data; int rc; - debug_scsi("mtask deq [cid %d state %x itt 0x%x]\n", - conn->id, tcp_mtask->xmstate, mtask->itt); - - if (test_bit(XMSTATE_BIT_IMM_HDR_INIT, &tcp_mtask->xmstate)) { - iscsi_buf_init_iov(&tcp_mtask->headbuf, (char*)mtask->hdr, - sizeof(struct iscsi_hdr)); - - if (mtask->data_count) { - set_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate); - iscsi_buf_init_iov(&tcp_mtask->sendbuf, - (char*)mtask->data, - mtask->data_count); - } - - if (conn->c_stage != ISCSI_CONN_INITIAL_STAGE && - conn->stop_stage != STOP_CONN_RECOVER && - conn->hdrdgst_en) - iscsi_hdr_digest(conn, &tcp_mtask->headbuf, - (u8*)tcp_mtask->hdrext); - - tcp_mtask->sent = 0; - clear_bit(XMSTATE_BIT_IMM_HDR_INIT, &tcp_mtask->xmstate); - set_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate); - } - - if (test_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate)) { - rc = iscsi_sendhdr(conn, &tcp_mtask->headbuf, - mtask->data_count); - if (rc) - return rc; - clear_bit(XMSTATE_BIT_IMM_HDR, &tcp_mtask->xmstate); - } - - if (test_and_clear_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate)) { - BUG_ON(!mtask->data_count); - /* FIXME: implement. - * Virtual buffer could be spreaded across multiple pages... - */ - do { - int rc; - - rc = iscsi_sendpage(conn, &tcp_mtask->sendbuf, - &mtask->data_count, &tcp_mtask->sent); - if (rc) { - set_bit(XMSTATE_BIT_IMM_DATA, &tcp_mtask->xmstate); - return rc; - } - } while (mtask->data_count); - } + /* Flush any pending data first. */ + rc = iscsi_tcp_flush(conn); + if (rc < 0) + return rc; - BUG_ON(tcp_mtask->xmstate != XMSTATE_VALUE_IDLE); if (mtask->hdr->itt == RESERVED_ITT) { struct iscsi_session *session = conn->session; spin_lock_bh(&session->lock); - list_del(&conn->mtask->running); - __kfifo_put(session->mgmtpool.queue, (void*)&conn->mtask, - sizeof(void*)); + iscsi_free_mgmt_task(conn, mtask); spin_unlock_bh(&session->lock); } + return 0; } +/* + * iscsi_tcp_ctask_xmit - xmit normal PDU task + * @conn: iscsi connection + * @ctask: iscsi command task + * + * We're expected to return 0 when everything was transmitted succesfully, + * -EAGAIN if there's still data in the queue, or != 0 for any other kind + * of error. + */ static int -iscsi_send_cmd_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) +iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) { - struct scsi_cmnd *sc = ctask->sc; struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; + struct scsi_cmnd *sc = ctask->sc; int rc = 0; - if (test_bit(XMSTATE_BIT_CMD_HDR_INIT, &tcp_ctask->xmstate)) { - tcp_ctask->sent = 0; - tcp_ctask->sg_count = 0; - tcp_ctask->exp_datasn = 0; - - if (sc->sc_data_direction == DMA_TO_DEVICE) { - struct scatterlist *sg = scsi_sglist(sc); - - iscsi_buf_init_sg(&tcp_ctask->sendbuf, sg); - tcp_ctask->sg = sg + 1; - tcp_ctask->bad_sg = sg + scsi_sg_count(sc); - - debug_scsi("cmd [itt 0x%x total %d imm_data %d " - "unsol count %d, unsol offset %d]\n", - ctask->itt, scsi_bufflen(sc), - ctask->imm_count, ctask->unsol_count, - ctask->unsol_offset); - } - - iscsi_buf_init_iov(&tcp_ctask->headbuf, (char*)ctask->hdr, - sizeof(struct iscsi_hdr)); - - if (conn->hdrdgst_en) - iscsi_hdr_digest(conn, &tcp_ctask->headbuf, - (u8*)tcp_ctask->hdrext); - clear_bit(XMSTATE_BIT_CMD_HDR_INIT, &tcp_ctask->xmstate); - set_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate); - } - - if (test_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate)) { - rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->imm_count); - if (rc) - return rc; - clear_bit(XMSTATE_BIT_CMD_HDR_XMIT, &tcp_ctask->xmstate); - - if (sc->sc_data_direction != DMA_TO_DEVICE) - return 0; - - if (ctask->imm_count) { - set_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate); - iscsi_set_padding(tcp_ctask, ctask->imm_count); - - if (ctask->conn->datadgst_en) { - iscsi_data_digest_init(ctask->conn->dd_data, - tcp_ctask); - tcp_ctask->immdigest = 0; - } - } - - if (ctask->unsol_count) { - set_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate); - set_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate); - } - } - return rc; -} - -static int -iscsi_send_padding(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - int sent = 0, rc; - - if (test_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate)) { - iscsi_buf_init_iov(&tcp_ctask->sendbuf, (char*)&tcp_ctask->pad, - tcp_ctask->pad_count); - if (conn->datadgst_en) - crypto_hash_update(&tcp_conn->tx_hash, - &tcp_ctask->sendbuf.sg, - tcp_ctask->sendbuf.sg.length); - } else if (!test_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate)) - return 0; - - clear_bit(XMSTATE_BIT_W_PAD, &tcp_ctask->xmstate); - clear_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate); - debug_scsi("sending %d pad bytes for itt 0x%x\n", - tcp_ctask->pad_count, ctask->itt); - rc = iscsi_sendpage(conn, &tcp_ctask->sendbuf, &tcp_ctask->pad_count, - &sent); - if (rc) { - debug_scsi("padding send failed %d\n", rc); - set_bit(XMSTATE_BIT_W_RESEND_PAD, &tcp_ctask->xmstate); - } - return rc; -} - -static int -iscsi_send_digest(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, - struct iscsi_buf *buf, uint32_t *digest) -{ - struct iscsi_tcp_cmd_task *tcp_ctask; - struct iscsi_tcp_conn *tcp_conn; - int rc, sent = 0; - - if (!conn->datadgst_en) - return 0; - - tcp_ctask = ctask->dd_data; - tcp_conn = conn->dd_data; - - if (!test_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate)) { - crypto_hash_final(&tcp_conn->tx_hash, (u8*)digest); - iscsi_buf_init_iov(buf, (char*)digest, 4); - } - clear_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate); - - rc = iscsi_sendpage(conn, buf, &tcp_ctask->digest_count, &sent); - if (!rc) - debug_scsi("sent digest 0x%x for itt 0x%x\n", *digest, - ctask->itt); - else { - debug_scsi("sending digest 0x%x failed for itt 0x%x!\n", - *digest, ctask->itt); - set_bit(XMSTATE_BIT_W_RESEND_DATA_DIGEST, &tcp_ctask->xmstate); - } - return rc; -} - -static int -iscsi_send_data(struct iscsi_cmd_task *ctask, struct iscsi_buf *sendbuf, - struct scatterlist **sg, int *sent, int *count, - struct iscsi_buf *digestbuf, uint32_t *digest) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - struct iscsi_conn *conn = ctask->conn; - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; - int rc, buf_sent, offset; - - while (*count) { - buf_sent = 0; - offset = sendbuf->sent; - - rc = iscsi_sendpage(conn, sendbuf, count, &buf_sent); - *sent = *sent + buf_sent; - if (buf_sent && conn->datadgst_en) - partial_sg_digest_update(&tcp_conn->tx_hash, - &sendbuf->sg, sendbuf->sg.offset + offset, - buf_sent); - if (!iscsi_buf_left(sendbuf) && *sg != tcp_ctask->bad_sg) { - iscsi_buf_init_sg(sendbuf, *sg); - *sg = *sg + 1; - } - - if (rc) - return rc; - } - - rc = iscsi_send_padding(conn, ctask); - if (rc) +flush: + /* Flush any pending data first. */ + rc = iscsi_tcp_flush(conn); + if (rc < 0) return rc; - return iscsi_send_digest(conn, ctask, digestbuf, digest); -} - -static int -iscsi_send_unsol_hdr(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - struct iscsi_data_task *dtask; - int rc; - - set_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate); - if (test_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate)) { - dtask = &tcp_ctask->unsol_dtask; - - iscsi_prep_unsolicit_data_pdu(ctask, &dtask->hdr); - iscsi_buf_init_iov(&tcp_ctask->headbuf, (char*)&dtask->hdr, - sizeof(struct iscsi_hdr)); - if (conn->hdrdgst_en) - iscsi_hdr_digest(conn, &tcp_ctask->headbuf, - (u8*)dtask->hdrext); - - clear_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate); - iscsi_set_padding(tcp_ctask, ctask->data_count); - } - - rc = iscsi_sendhdr(conn, &tcp_ctask->headbuf, ctask->data_count); - if (rc) { - clear_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate); - set_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate); - return rc; - } + /* Are we done already? */ + if (sc->sc_data_direction != DMA_TO_DEVICE) + return 0; - if (conn->datadgst_en) { - dtask = &tcp_ctask->unsol_dtask; - iscsi_data_digest_init(ctask->conn->dd_data, tcp_ctask); - dtask->digest = 0; - } + if (ctask->unsol_count != 0) { + struct iscsi_data *hdr = &tcp_ctask->unsol_dtask.hdr; - debug_scsi("uns dout [itt 0x%x dlen %d sent %d]\n", - ctask->itt, ctask->unsol_count, tcp_ctask->sent); - return 0; -} + /* Prepare a header for the unsolicited PDU. + * The amount of data we want to send will be + * in ctask->data_count. + * FIXME: return the data count instead. + */ + iscsi_prep_unsolicit_data_pdu(ctask, hdr); -static int -iscsi_send_unsol_pdu(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - int rc; + debug_tcp("unsol dout [itt 0x%x doff %d dlen %d]\n", + ctask->itt, tcp_ctask->sent, ctask->data_count); - if (test_and_clear_bit(XMSTATE_BIT_UNS_HDR, &tcp_ctask->xmstate)) { - BUG_ON(!ctask->unsol_count); -send_hdr: - rc = iscsi_send_unsol_hdr(conn, ctask); + iscsi_tcp_send_hdr_prep(conn, hdr, sizeof(*hdr)); + rc = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc), + scsi_sg_count(sc), + tcp_ctask->sent, + ctask->data_count); if (rc) - return rc; - } - - if (test_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate)) { - struct iscsi_data_task *dtask = &tcp_ctask->unsol_dtask; - int start = tcp_ctask->sent; + goto fail; + tcp_ctask->sent += ctask->data_count; + ctask->unsol_count -= ctask->data_count; + goto flush; + } else { + struct iscsi_session *session = conn->session; + struct iscsi_r2t_info *r2t; - rc = iscsi_send_data(ctask, &tcp_ctask->sendbuf, &tcp_ctask->sg, - &tcp_ctask->sent, &ctask->data_count, - &dtask->digestbuf, &dtask->digest); - ctask->unsol_count -= tcp_ctask->sent - start; - if (rc) - return rc; - clear_bit(XMSTATE_BIT_UNS_DATA, &tcp_ctask->xmstate); - /* - * Done with the Data-Out. Next, check if we need - * to send another unsolicited Data-Out. + /* All unsolicited PDUs sent. Check for solicited PDUs. */ - if (ctask->unsol_count) { - debug_scsi("sending more uns\n"); - set_bit(XMSTATE_BIT_UNS_INIT, &tcp_ctask->xmstate); - goto send_hdr; + spin_lock_bh(&session->lock); + r2t = tcp_ctask->r2t; + if (r2t != NULL) { + /* Continue with this R2T? */ + if (!iscsi_solicit_data_cont(conn, ctask, r2t)) { + debug_scsi(" done with r2t %p\n", r2t); + + __kfifo_put(tcp_ctask->r2tpool.queue, + (void*)&r2t, sizeof(void*)); + tcp_ctask->r2t = r2t = NULL; + } } - } - return 0; -} - -static int iscsi_send_sol_pdu(struct iscsi_conn *conn, - struct iscsi_cmd_task *ctask) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - struct iscsi_session *session = conn->session; - struct iscsi_r2t_info *r2t; - struct iscsi_data_task *dtask; - int left, rc; - if (test_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate)) { - if (!tcp_ctask->r2t) { - spin_lock_bh(&session->lock); + if (r2t == NULL) { __kfifo_get(tcp_ctask->r2tqueue, (void*)&tcp_ctask->r2t, sizeof(void*)); - spin_unlock_bh(&session->lock); + r2t = tcp_ctask->r2t; } -send_hdr: - r2t = tcp_ctask->r2t; - dtask = &r2t->dtask; - - if (conn->hdrdgst_en) - iscsi_hdr_digest(conn, &r2t->headbuf, - (u8*)dtask->hdrext); - clear_bit(XMSTATE_BIT_SOL_HDR_INIT, &tcp_ctask->xmstate); - set_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate); - } - - if (test_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate)) { - r2t = tcp_ctask->r2t; - dtask = &r2t->dtask; - - rc = iscsi_sendhdr(conn, &r2t->headbuf, r2t->data_count); - if (rc) - return rc; - clear_bit(XMSTATE_BIT_SOL_HDR, &tcp_ctask->xmstate); - set_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate); + spin_unlock_bh(&session->lock); - if (conn->datadgst_en) { - iscsi_data_digest_init(conn->dd_data, tcp_ctask); - dtask->digest = 0; + /* Waiting for more R2Ts to arrive. */ + if (r2t == NULL) { + debug_tcp("no R2Ts yet\n"); + return 0; } - iscsi_set_padding(tcp_ctask, r2t->data_count); - debug_scsi("sol dout [dsn %d itt 0x%x dlen %d sent %d]\n", - r2t->solicit_datasn - 1, ctask->itt, r2t->data_count, - r2t->sent); - } + debug_scsi("sol dout %p [dsn %d itt 0x%x doff %d dlen %d]\n", + r2t, r2t->solicit_datasn - 1, ctask->itt, + r2t->data_offset + r2t->sent, r2t->data_count); - if (test_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate)) { - r2t = tcp_ctask->r2t; - dtask = &r2t->dtask; + iscsi_tcp_send_hdr_prep(conn, &r2t->dtask.hdr, + sizeof(struct iscsi_hdr)); - rc = iscsi_send_data(ctask, &r2t->sendbuf, &r2t->sg, - &r2t->sent, &r2t->data_count, - &dtask->digestbuf, &dtask->digest); + rc = iscsi_tcp_send_data_prep(conn, scsi_sglist(sc), + scsi_sg_count(sc), + r2t->data_offset + r2t->sent, + r2t->data_count); if (rc) - return rc; - clear_bit(XMSTATE_BIT_SOL_DATA, &tcp_ctask->xmstate); - - /* - * Done with this Data-Out. Next, check if we have - * to send another Data-Out for this R2T. - */ - BUG_ON(r2t->data_length - r2t->sent < 0); - left = r2t->data_length - r2t->sent; - if (left) { - iscsi_solicit_data_cont(conn, ctask, r2t, left); - goto send_hdr; - } - - /* - * Done with this R2T. Check if there are more - * outstanding R2Ts ready to be processed. - */ - spin_lock_bh(&session->lock); - tcp_ctask->r2t = NULL; - __kfifo_put(tcp_ctask->r2tpool.queue, (void*)&r2t, - sizeof(void*)); - if (__kfifo_get(tcp_ctask->r2tqueue, (void*)&r2t, - sizeof(void*))) { - tcp_ctask->r2t = r2t; - spin_unlock_bh(&session->lock); - goto send_hdr; - } - spin_unlock_bh(&session->lock); + goto fail; + tcp_ctask->sent += r2t->data_count; + r2t->sent += r2t->data_count; + goto flush; } return 0; -} - -/** - * iscsi_tcp_ctask_xmit - xmit normal PDU task - * @conn: iscsi connection - * @ctask: iscsi command task - * - * Notes: - * The function can return -EAGAIN in which case caller must - * call it again later, or recover. '0' return code means successful - * xmit. - * The function is devided to logical helpers (above) for the different - * xmit stages. - * - *iscsi_send_cmd_hdr() - * XMSTATE_BIT_CMD_HDR_INIT - prepare Header and Data buffers Calculate - * Header Digest - * XMSTATE_BIT_CMD_HDR_XMIT - Transmit header in progress - * - *iscsi_send_padding - * XMSTATE_BIT_W_PAD - Prepare and send pading - * XMSTATE_BIT_W_RESEND_PAD - retry send pading - * - *iscsi_send_digest - * XMSTATE_BIT_W_RESEND_DATA_DIGEST - Finalize and send Data Digest - * XMSTATE_BIT_W_RESEND_DATA_DIGEST - retry sending digest - * - *iscsi_send_unsol_hdr - * XMSTATE_BIT_UNS_INIT - prepare un-solicit data header and digest - * XMSTATE_BIT_UNS_HDR - send un-solicit header - * - *iscsi_send_unsol_pdu - * XMSTATE_BIT_UNS_DATA - send un-solicit data in progress - * - *iscsi_send_sol_pdu - * XMSTATE_BIT_SOL_HDR_INIT - solicit data header and digest initialize - * XMSTATE_BIT_SOL_HDR - send solicit header - * XMSTATE_BIT_SOL_DATA - send solicit data - * - *iscsi_tcp_ctask_xmit - * XMSTATE_BIT_IMM_DATA - xmit managment data (??) - **/ -static int -iscsi_tcp_ctask_xmit(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask) -{ - struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - int rc = 0; - - debug_scsi("ctask deq [cid %d xmstate %x itt 0x%x]\n", - conn->id, tcp_ctask->xmstate, ctask->itt); - - rc = iscsi_send_cmd_hdr(conn, ctask); - if (rc) - return rc; - if (ctask->sc->sc_data_direction != DMA_TO_DEVICE) - return 0; - - if (test_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate)) { - rc = iscsi_send_data(ctask, &tcp_ctask->sendbuf, &tcp_ctask->sg, - &tcp_ctask->sent, &ctask->imm_count, - &tcp_ctask->immbuf, &tcp_ctask->immdigest); - if (rc) - return rc; - clear_bit(XMSTATE_BIT_IMM_DATA, &tcp_ctask->xmstate); - } - - rc = iscsi_send_unsol_pdu(conn, ctask); - if (rc) - return rc; - - rc = iscsi_send_sol_pdu(conn, ctask); - if (rc) - return rc; - - return rc; +fail: + iscsi_conn_failure(conn, rc); + return -EIO; } static struct iscsi_cls_conn * @@ -1784,9 +1492,6 @@ iscsi_tcp_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx) conn->dd_data = tcp_conn; tcp_conn->iscsi_conn = conn; - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; - /* initial operational parameters */ - tcp_conn->hdr_size = sizeof(struct iscsi_hdr); tcp_conn->tx_hash.tfm = crypto_alloc_hash("crc32c", 0, CRYPTO_ALG_ASYNC); @@ -1863,11 +1568,9 @@ static void iscsi_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag) { struct iscsi_conn *conn = cls_conn->dd_data; - struct iscsi_tcp_conn *tcp_conn = conn->dd_data; iscsi_conn_stop(cls_conn, flag); iscsi_tcp_release_conn(conn); - tcp_conn->hdr_size = sizeof(struct iscsi_hdr); } static int iscsi_tcp_get_addr(struct iscsi_conn *conn, struct socket *sock, @@ -1967,7 +1670,7 @@ iscsi_tcp_conn_bind(struct iscsi_cls_session *cls_session, /* * set receive state machine into initial state */ - tcp_conn->in_progress = IN_PROGRESS_WAIT_HEADER; + iscsi_tcp_hdr_recv_prep(tcp_conn); return 0; free_socket: @@ -1977,10 +1680,17 @@ free_socket: /* called with host lock */ static void -iscsi_tcp_mgmt_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask) +iscsi_tcp_mtask_init(struct iscsi_conn *conn, struct iscsi_mgmt_task *mtask) { - struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data; - tcp_mtask->xmstate = 1 << XMSTATE_BIT_IMM_HDR_INIT; + debug_scsi("mtask deq [cid %d itt 0x%x]\n", conn->id, mtask->itt); + + /* Prepare PDU, optionally w/ immediate data */ + iscsi_tcp_send_hdr_prep(conn, mtask->hdr, sizeof(*mtask->hdr)); + + /* If we have immediate data, attach a payload */ + if (mtask->data_count) + iscsi_tcp_send_linear_data_prepare(conn, mtask->data, + mtask->data_count); } static int @@ -2003,8 +1713,7 @@ iscsi_r2tpool_alloc(struct iscsi_session *session) */ /* R2T pool */ - if (iscsi_pool_init(&tcp_ctask->r2tpool, session->max_r2t * 4, - (void***)&tcp_ctask->r2ts, + if (iscsi_pool_init(&tcp_ctask->r2tpool, session->max_r2t * 4, NULL, sizeof(struct iscsi_r2t_info))) { goto r2t_alloc_fail; } @@ -2013,8 +1722,7 @@ iscsi_r2tpool_alloc(struct iscsi_session *session) tcp_ctask->r2tqueue = kfifo_alloc( session->max_r2t * 4 * sizeof(void*), GFP_KERNEL, NULL); if (tcp_ctask->r2tqueue == ERR_PTR(-ENOMEM)) { - iscsi_pool_free(&tcp_ctask->r2tpool, - (void**)tcp_ctask->r2ts); + iscsi_pool_free(&tcp_ctask->r2tpool); goto r2t_alloc_fail; } } @@ -2027,8 +1735,7 @@ r2t_alloc_fail: struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; kfifo_free(tcp_ctask->r2tqueue); - iscsi_pool_free(&tcp_ctask->r2tpool, - (void**)tcp_ctask->r2ts); + iscsi_pool_free(&tcp_ctask->r2tpool); } return -ENOMEM; } @@ -2043,8 +1750,7 @@ iscsi_r2tpool_free(struct iscsi_session *session) struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; kfifo_free(tcp_ctask->r2tqueue); - iscsi_pool_free(&tcp_ctask->r2tpool, - (void**)tcp_ctask->r2ts); + iscsi_pool_free(&tcp_ctask->r2tpool); } } @@ -2060,9 +1766,6 @@ iscsi_conn_set_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, switch(param) { case ISCSI_PARAM_HDRDGST_EN: iscsi_set_param(cls_conn, param, buf, buflen); - tcp_conn->hdr_size = sizeof(struct iscsi_hdr); - if (conn->hdrdgst_en) - tcp_conn->hdr_size += sizeof(__u32); break; case ISCSI_PARAM_DATADGST_EN: iscsi_set_param(cls_conn, param, buf, buflen); @@ -2071,12 +1774,12 @@ iscsi_conn_set_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, break; case ISCSI_PARAM_MAX_R2T: sscanf(buf, "%d", &value); - if (session->max_r2t == roundup_pow_of_two(value)) + if (value <= 0 || !is_power_of_2(value)) + return -EINVAL; + if (session->max_r2t == value) break; iscsi_r2tpool_free(session); iscsi_set_param(cls_conn, param, buf, buflen); - if (session->max_r2t & (session->max_r2t - 1)) - session->max_r2t = roundup_pow_of_two(session->max_r2t); if (iscsi_r2tpool_alloc(session)) return -ENOMEM; break; @@ -2183,14 +1886,15 @@ iscsi_tcp_session_create(struct iscsi_transport *iscsit, struct iscsi_cmd_task *ctask = session->cmds[cmd_i]; struct iscsi_tcp_cmd_task *tcp_ctask = ctask->dd_data; - ctask->hdr = &tcp_ctask->hdr; + ctask->hdr = &tcp_ctask->hdr.cmd_hdr; + ctask->hdr_max = sizeof(tcp_ctask->hdr) - ISCSI_DIGEST_SIZE; } for (cmd_i = 0; cmd_i < session->mgmtpool_max; cmd_i++) { struct iscsi_mgmt_task *mtask = session->mgmt_cmds[cmd_i]; struct iscsi_tcp_mgmt_task *tcp_mtask = mtask->dd_data; - mtask->hdr = &tcp_mtask->hdr; + mtask->hdr = (struct iscsi_hdr *) &tcp_mtask->hdr; } if (iscsi_r2tpool_alloc(class_to_transport_session(cls_session))) @@ -2222,12 +1926,14 @@ static struct scsi_host_template iscsi_sht = { .queuecommand = iscsi_queuecommand, .change_queue_depth = iscsi_change_queue_depth, .can_queue = ISCSI_DEF_XMIT_CMDS_MAX - 1, - .sg_tablesize = ISCSI_SG_TABLESIZE, + .sg_tablesize = 4096, .max_sectors = 0xFFFF, .cmd_per_lun = ISCSI_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, + .eh_device_reset_handler= iscsi_eh_device_reset, .eh_host_reset_handler = iscsi_eh_host_reset, .use_clustering = DISABLE_CLUSTERING, + .use_sg_chaining = ENABLE_SG_CHAINING, .slave_configure = iscsi_tcp_slave_configure, .proc_name = "iscsi_tcp", .this_id = -1, @@ -2257,14 +1963,17 @@ static struct iscsi_transport iscsi_tcp_transport = { ISCSI_PERSISTENT_ADDRESS | ISCSI_TARGET_NAME | ISCSI_TPGT | ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN, + ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | + ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | + ISCSI_LU_RESET_TMO | + ISCSI_PING_TMO | ISCSI_RECV_TMO, .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | ISCSI_HOST_INITIATOR_NAME | ISCSI_HOST_NETDEV_NAME, .host_template = &iscsi_sht, .conndata_size = sizeof(struct iscsi_conn), .max_conn = 1, - .max_cmd_len = ISCSI_TCP_MAX_CMD_LEN, + .max_cmd_len = 16, /* session management */ .create_session = iscsi_tcp_session_create, .destroy_session = iscsi_tcp_session_destroy, @@ -2283,8 +1992,8 @@ static struct iscsi_transport iscsi_tcp_transport = { /* IO */ .send_pdu = iscsi_conn_send_pdu, .get_stats = iscsi_conn_get_stats, - .init_cmd_task = iscsi_tcp_cmd_init, - .init_mgmt_task = iscsi_tcp_mgmt_init, + .init_cmd_task = iscsi_tcp_ctask_init, + .init_mgmt_task = iscsi_tcp_mtask_init, .xmit_cmd_task = iscsi_tcp_ctask_xmit, .xmit_mgmt_task = iscsi_tcp_mtask_xmit, .cleanup_cmd_task = iscsi_tcp_cleanup_ctask, diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h index 68c36cc8997e..ed0b991d1e72 100644 --- a/drivers/scsi/iscsi_tcp.h +++ b/drivers/scsi/iscsi_tcp.h @@ -24,71 +24,61 @@ #include <scsi/libiscsi.h> -/* Socket's Receive state machine */ -#define IN_PROGRESS_WAIT_HEADER 0x0 -#define IN_PROGRESS_HEADER_GATHER 0x1 -#define IN_PROGRESS_DATA_RECV 0x2 -#define IN_PROGRESS_DDIGEST_RECV 0x3 -#define IN_PROGRESS_PAD_RECV 0x4 - -/* xmit state machine */ -#define XMSTATE_VALUE_IDLE 0 -#define XMSTATE_BIT_CMD_HDR_INIT 0 -#define XMSTATE_BIT_CMD_HDR_XMIT 1 -#define XMSTATE_BIT_IMM_HDR 2 -#define XMSTATE_BIT_IMM_DATA 3 -#define XMSTATE_BIT_UNS_INIT 4 -#define XMSTATE_BIT_UNS_HDR 5 -#define XMSTATE_BIT_UNS_DATA 6 -#define XMSTATE_BIT_SOL_HDR 7 -#define XMSTATE_BIT_SOL_DATA 8 -#define XMSTATE_BIT_W_PAD 9 -#define XMSTATE_BIT_W_RESEND_PAD 10 -#define XMSTATE_BIT_W_RESEND_DATA_DIGEST 11 -#define XMSTATE_BIT_IMM_HDR_INIT 12 -#define XMSTATE_BIT_SOL_HDR_INIT 13 - -#define ISCSI_PAD_LEN 4 -#define ISCSI_SG_TABLESIZE SG_ALL -#define ISCSI_TCP_MAX_CMD_LEN 16 - struct crypto_hash; struct socket; +struct iscsi_tcp_conn; +struct iscsi_segment; + +typedef int iscsi_segment_done_fn_t(struct iscsi_tcp_conn *, + struct iscsi_segment *); + +struct iscsi_segment { + unsigned char *data; + unsigned int size; + unsigned int copied; + unsigned int total_size; + unsigned int total_copied; + + struct hash_desc *hash; + unsigned char recv_digest[ISCSI_DIGEST_SIZE]; + unsigned char digest[ISCSI_DIGEST_SIZE]; + unsigned int digest_len; + + struct scatterlist *sg; + void *sg_mapped; + unsigned int sg_offset; + + iscsi_segment_done_fn_t *done; +}; /* Socket connection recieve helper */ struct iscsi_tcp_recv { struct iscsi_hdr *hdr; - struct sk_buff *skb; - int offset; - int len; - int hdr_offset; - int copy; - int copied; - int padding; - struct iscsi_cmd_task *ctask; /* current cmd in progress */ + struct iscsi_segment segment; + + /* Allocate buffer for BHS + AHS */ + uint32_t hdr_buf[64]; /* copied and flipped values */ int datalen; - int datadgst; - char zero_copy_hdr; +}; + +/* Socket connection send helper */ +struct iscsi_tcp_send { + struct iscsi_hdr *hdr; + struct iscsi_segment segment; + struct iscsi_segment data_segment; }; struct iscsi_tcp_conn { struct iscsi_conn *iscsi_conn; struct socket *sock; - struct iscsi_hdr hdr; /* header placeholder */ - char hdrext[4*sizeof(__u16) + - sizeof(__u32)]; - int data_copied; int stop_stage; /* conn_stop() flag: * * stop to recover, * * stop to terminate */ - /* iSCSI connection-wide sequencing */ - int hdr_size; /* PDU header size */ - /* control data */ struct iscsi_tcp_recv in; /* TCP receive context */ - int in_progress; /* connection state machine */ + struct iscsi_tcp_send out; /* TCP send context */ /* old values for socket callbacks */ void (*old_data_ready)(struct sock *, int); @@ -103,29 +93,19 @@ struct iscsi_tcp_conn { uint32_t sendpage_failures_cnt; uint32_t discontiguous_hdr_cnt; - ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int); -}; + int error; -struct iscsi_buf { - struct scatterlist sg; - unsigned int sent; - char use_sendmsg; + ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int); }; struct iscsi_data_task { struct iscsi_data hdr; /* PDU */ - char hdrext[sizeof(__u32)]; /* Header-Digest */ - struct iscsi_buf digestbuf; /* digest buffer */ - uint32_t digest; /* data digest */ + char hdrext[ISCSI_DIGEST_SIZE];/* Header-Digest */ }; struct iscsi_tcp_mgmt_task { struct iscsi_hdr hdr; - char hdrext[sizeof(__u32)]; /* Header-Digest */ - unsigned long xmstate; /* mgmt xmit progress */ - struct iscsi_buf headbuf; /* header buffer */ - struct iscsi_buf sendbuf; /* in progress buffer */ - int sent; + char hdrext[ISCSI_DIGEST_SIZE]; /* Header-Digest */ }; struct iscsi_r2t_info { @@ -133,38 +113,26 @@ struct iscsi_r2t_info { __be32 exp_statsn; /* copied from R2T */ uint32_t data_length; /* copied from R2T */ uint32_t data_offset; /* copied from R2T */ - struct iscsi_buf headbuf; /* Data-Out Header Buffer */ - struct iscsi_buf sendbuf; /* Data-Out in progress buffer*/ int sent; /* R2T sequence progress */ int data_count; /* DATA-Out payload progress */ - struct scatterlist *sg; /* per-R2T SG list */ int solicit_datasn; - struct iscsi_data_task dtask; /* which data task */ + struct iscsi_data_task dtask; /* Data-Out header buf */ }; struct iscsi_tcp_cmd_task { - struct iscsi_cmd hdr; - char hdrext[4*sizeof(__u16)+ /* AHS */ - sizeof(__u32)]; /* HeaderDigest */ - char pad[ISCSI_PAD_LEN]; - int pad_count; /* padded bytes */ - struct iscsi_buf headbuf; /* header buf (xmit) */ - struct iscsi_buf sendbuf; /* in progress buffer*/ - unsigned long xmstate; /* xmit xtate machine */ + struct iscsi_hdr_buff { + struct iscsi_cmd cmd_hdr; + char hdrextbuf[ISCSI_MAX_AHS_SIZE + + ISCSI_DIGEST_SIZE]; + } hdr; + int sent; - struct scatterlist *sg; /* per-cmd SG list */ - struct scatterlist *bad_sg; /* assert statement */ - int sg_count; /* SG's to process */ - uint32_t exp_datasn; /* expected target's R2TSN/DataSN */ + uint32_t exp_datasn; /* expected target's R2TSN/DataSN */ int data_offset; - struct iscsi_r2t_info *r2t; /* in progress R2T */ - struct iscsi_queue r2tpool; + struct iscsi_r2t_info *r2t; /* in progress R2T */ + struct iscsi_pool r2tpool; struct kfifo *r2tqueue; - struct iscsi_r2t_info **r2ts; - int digest_count; - uint32_t immdigest; /* for imm data */ - struct iscsi_buf immbuf; /* for imm data digest */ - struct iscsi_data_task unsol_dtask; /* unsol data task */ + struct iscsi_data_task unsol_dtask; /* Data-Out header buf */ }; #endif /* ISCSI_H */ diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 8b57af5baaec..553168ae44f1 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -24,6 +24,7 @@ #include <linux/types.h> #include <linux/kfifo.h> #include <linux/delay.h> +#include <linux/log2.h> #include <asm/unaligned.h> #include <net/tcp.h> #include <scsi/scsi_cmnd.h> @@ -86,7 +87,7 @@ iscsi_update_cmdsn(struct iscsi_session *session, struct iscsi_nopin *hdr) * xmit thread */ if (!list_empty(&session->leadconn->xmitqueue) || - __kfifo_len(session->leadconn->mgmtqueue)) + !list_empty(&session->leadconn->mgmtqueue)) scsi_queue_work(session->host, &session->leadconn->xmitwork); } @@ -122,6 +123,20 @@ void iscsi_prep_unsolicit_data_pdu(struct iscsi_cmd_task *ctask, } EXPORT_SYMBOL_GPL(iscsi_prep_unsolicit_data_pdu); +static int iscsi_add_hdr(struct iscsi_cmd_task *ctask, unsigned len) +{ + unsigned exp_len = ctask->hdr_len + len; + + if (exp_len > ctask->hdr_max) { + WARN_ON(1); + return -EINVAL; + } + + WARN_ON(len & (ISCSI_PAD_LEN - 1)); /* caller must pad the AHS */ + ctask->hdr_len = exp_len; + return 0; +} + /** * iscsi_prep_scsi_cmd_pdu - prep iscsi scsi cmd pdu * @ctask: iscsi cmd task @@ -129,27 +144,32 @@ EXPORT_SYMBOL_GPL(iscsi_prep_unsolicit_data_pdu); * Prep basic iSCSI PDU fields for a scsi cmd pdu. The LLD should set * fields like dlength or final based on how much data it sends */ -static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) +static int iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) { struct iscsi_conn *conn = ctask->conn; struct iscsi_session *session = conn->session; struct iscsi_cmd *hdr = ctask->hdr; struct scsi_cmnd *sc = ctask->sc; + unsigned hdrlength; + int rc; - hdr->opcode = ISCSI_OP_SCSI_CMD; - hdr->flags = ISCSI_ATTR_SIMPLE; - int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); - hdr->itt = build_itt(ctask->itt, conn->id, session->age); - hdr->data_length = cpu_to_be32(scsi_bufflen(sc)); - hdr->cmdsn = cpu_to_be32(session->cmdsn); - session->cmdsn++; - hdr->exp_statsn = cpu_to_be32(conn->exp_statsn); - memcpy(hdr->cdb, sc->cmnd, sc->cmd_len); + ctask->hdr_len = 0; + rc = iscsi_add_hdr(ctask, sizeof(*hdr)); + if (rc) + return rc; + hdr->opcode = ISCSI_OP_SCSI_CMD; + hdr->flags = ISCSI_ATTR_SIMPLE; + int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); + hdr->itt = build_itt(ctask->itt, conn->id, session->age); + hdr->data_length = cpu_to_be32(scsi_bufflen(sc)); + hdr->cmdsn = cpu_to_be32(session->cmdsn); + session->cmdsn++; + hdr->exp_statsn = cpu_to_be32(conn->exp_statsn); + memcpy(hdr->cdb, sc->cmnd, sc->cmd_len); if (sc->cmd_len < MAX_COMMAND_SIZE) memset(&hdr->cdb[sc->cmd_len], 0, MAX_COMMAND_SIZE - sc->cmd_len); - ctask->data_count = 0; ctask->imm_count = 0; if (sc->sc_data_direction == DMA_TO_DEVICE) { hdr->flags |= ISCSI_FLAG_CMD_WRITE; @@ -178,9 +198,9 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) else ctask->imm_count = min(scsi_bufflen(sc), conn->max_xmit_dlength); - hton24(ctask->hdr->dlength, ctask->imm_count); + hton24(hdr->dlength, ctask->imm_count); } else - zero_data(ctask->hdr->dlength); + zero_data(hdr->dlength); if (!session->initial_r2t_en) { ctask->unsol_count = min((session->first_burst), @@ -190,7 +210,7 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) if (!ctask->unsol_count) /* No unsolicit Data-Out's */ - ctask->hdr->flags |= ISCSI_FLAG_CMD_FINAL; + hdr->flags |= ISCSI_FLAG_CMD_FINAL; } else { hdr->flags |= ISCSI_FLAG_CMD_FINAL; zero_data(hdr->dlength); @@ -199,13 +219,25 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) hdr->flags |= ISCSI_FLAG_CMD_READ; } - conn->scsicmd_pdus_cnt++; + /* calculate size of additional header segments (AHSs) */ + hdrlength = ctask->hdr_len - sizeof(*hdr); + + WARN_ON(hdrlength & (ISCSI_PAD_LEN-1)); + hdrlength /= ISCSI_PAD_LEN; + + WARN_ON(hdrlength >= 256); + hdr->hlength = hdrlength & 0xFF; + + if (conn->session->tt->init_cmd_task(conn->ctask)) + return EIO; - debug_scsi("iscsi prep [%s cid %d sc %p cdb 0x%x itt 0x%x len %d " + conn->scsicmd_pdus_cnt++; + debug_scsi("iscsi prep [%s cid %d sc %p cdb 0x%x itt 0x%x len %d " "cmdsn %d win %d]\n", - sc->sc_data_direction == DMA_TO_DEVICE ? "write" : "read", + sc->sc_data_direction == DMA_TO_DEVICE ? "write" : "read", conn->id, sc, sc->cmnd[0], ctask->itt, scsi_bufflen(sc), - session->cmdsn, session->max_cmdsn - session->exp_cmdsn + 1); + session->cmdsn, session->max_cmdsn - session->exp_cmdsn + 1); + return 0; } /** @@ -218,13 +250,16 @@ static void iscsi_prep_scsi_cmd_pdu(struct iscsi_cmd_task *ctask) */ static void iscsi_complete_command(struct iscsi_cmd_task *ctask) { - struct iscsi_session *session = ctask->conn->session; + struct iscsi_conn *conn = ctask->conn; + struct iscsi_session *session = conn->session; struct scsi_cmnd *sc = ctask->sc; ctask->state = ISCSI_TASK_COMPLETED; ctask->sc = NULL; /* SCSI eh reuses commands to verify us */ sc->SCp.ptr = NULL; + if (conn->ctask == ctask) + conn->ctask = NULL; list_del_init(&ctask->running); __kfifo_put(session->cmdpool.queue, (void*)&ctask, sizeof(void*)); sc->scsi_done(sc); @@ -241,6 +276,112 @@ static void __iscsi_put_ctask(struct iscsi_cmd_task *ctask) iscsi_complete_command(ctask); } +/* + * session lock must be held + */ +static void fail_command(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, + int err) +{ + struct scsi_cmnd *sc; + + sc = ctask->sc; + if (!sc) + return; + + if (ctask->state == ISCSI_TASK_PENDING) + /* + * cmd never made it to the xmit thread, so we should not count + * the cmd in the sequencing + */ + conn->session->queued_cmdsn--; + else + conn->session->tt->cleanup_cmd_task(conn, ctask); + + sc->result = err; + scsi_set_resid(sc, scsi_bufflen(sc)); + if (conn->ctask == ctask) + conn->ctask = NULL; + /* release ref from queuecommand */ + __iscsi_put_ctask(ctask); +} + +/** + * iscsi_free_mgmt_task - return mgmt task back to pool + * @conn: iscsi connection + * @mtask: mtask + * + * Must be called with session lock. + */ +void iscsi_free_mgmt_task(struct iscsi_conn *conn, + struct iscsi_mgmt_task *mtask) +{ + list_del_init(&mtask->running); + if (conn->login_mtask == mtask) + return; + + if (conn->ping_mtask == mtask) + conn->ping_mtask = NULL; + __kfifo_put(conn->session->mgmtpool.queue, + (void*)&mtask, sizeof(void*)); +} +EXPORT_SYMBOL_GPL(iscsi_free_mgmt_task); + +static struct iscsi_mgmt_task * +__iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, + char *data, uint32_t data_size) +{ + struct iscsi_session *session = conn->session; + struct iscsi_mgmt_task *mtask; + + if (session->state == ISCSI_STATE_TERMINATE) + return NULL; + + if (hdr->opcode == (ISCSI_OP_LOGIN | ISCSI_OP_IMMEDIATE) || + hdr->opcode == (ISCSI_OP_TEXT | ISCSI_OP_IMMEDIATE)) + /* + * Login and Text are sent serially, in + * request-followed-by-response sequence. + * Same mtask can be used. Same ITT must be used. + * Note that login_mtask is preallocated at conn_create(). + */ + mtask = conn->login_mtask; + else { + BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE); + BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED); + + if (!__kfifo_get(session->mgmtpool.queue, + (void*)&mtask, sizeof(void*))) + return NULL; + } + + if (data_size) { + memcpy(mtask->data, data, data_size); + mtask->data_count = data_size; + } else + mtask->data_count = 0; + + memcpy(mtask->hdr, hdr, sizeof(struct iscsi_hdr)); + INIT_LIST_HEAD(&mtask->running); + list_add_tail(&mtask->running, &conn->mgmtqueue); + return mtask; +} + +int iscsi_conn_send_pdu(struct iscsi_cls_conn *cls_conn, struct iscsi_hdr *hdr, + char *data, uint32_t data_size) +{ + struct iscsi_conn *conn = cls_conn->dd_data; + struct iscsi_session *session = conn->session; + int err = 0; + + spin_lock_bh(&session->lock); + if (!__iscsi_conn_send_pdu(conn, hdr, data, data_size)) + err = -EPERM; + spin_unlock_bh(&session->lock); + scsi_queue_work(session->host, &conn->xmitwork); + return err; +} +EXPORT_SYMBOL_GPL(iscsi_conn_send_pdu); + /** * iscsi_cmd_rsp - SCSI Command Response processing * @conn: iscsi connection @@ -291,17 +432,19 @@ invalid_datalen: min_t(uint16_t, senselen, SCSI_SENSE_BUFFERSIZE)); } - if (rhdr->flags & ISCSI_FLAG_CMD_UNDERFLOW) { + if (rhdr->flags & (ISCSI_FLAG_CMD_UNDERFLOW | + ISCSI_FLAG_CMD_OVERFLOW)) { int res_count = be32_to_cpu(rhdr->residual_count); - if (res_count > 0 && res_count <= scsi_bufflen(sc)) + if (res_count > 0 && + (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW || + res_count <= scsi_bufflen(sc))) scsi_set_resid(sc, res_count); else sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; - } else if (rhdr->flags & ISCSI_FLAG_CMD_BIDI_UNDERFLOW) + } else if (rhdr->flags & (ISCSI_FLAG_CMD_BIDI_UNDERFLOW | + ISCSI_FLAG_CMD_BIDI_OVERFLOW)) sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; - else if (rhdr->flags & ISCSI_FLAG_CMD_OVERFLOW) - scsi_set_resid(sc, be32_to_cpu(rhdr->residual_count)); out: debug_scsi("done [sc %lx res %d itt 0x%x]\n", @@ -318,18 +461,51 @@ static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1; conn->tmfrsp_pdus_cnt++; - if (conn->tmabort_state != TMABORT_INITIAL) + if (conn->tmf_state != TMF_QUEUED) return; if (tmf->response == ISCSI_TMF_RSP_COMPLETE) - conn->tmabort_state = TMABORT_SUCCESS; + conn->tmf_state = TMF_SUCCESS; else if (tmf->response == ISCSI_TMF_RSP_NO_TASK) - conn->tmabort_state = TMABORT_NOT_FOUND; + conn->tmf_state = TMF_NOT_FOUND; else - conn->tmabort_state = TMABORT_FAILED; + conn->tmf_state = TMF_FAILED; wake_up(&conn->ehwait); } +static void iscsi_send_nopout(struct iscsi_conn *conn, struct iscsi_nopin *rhdr) +{ + struct iscsi_nopout hdr; + struct iscsi_mgmt_task *mtask; + + if (!rhdr && conn->ping_mtask) + return; + + memset(&hdr, 0, sizeof(struct iscsi_nopout)); + hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE; + hdr.flags = ISCSI_FLAG_CMD_FINAL; + + if (rhdr) { + memcpy(hdr.lun, rhdr->lun, 8); + hdr.ttt = rhdr->ttt; + hdr.itt = RESERVED_ITT; + } else + hdr.ttt = RESERVED_ITT; + + mtask = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0); + if (!mtask) { + printk(KERN_ERR "Could not send nopout\n"); + return; + } + + /* only track our nops */ + if (!rhdr) { + conn->ping_mtask = mtask; + conn->last_ping = jiffies; + } + scsi_queue_work(conn->session->host, &conn->xmitwork); +} + static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr, char *data, int datalen) { @@ -374,6 +550,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, struct iscsi_mgmt_task *mtask; uint32_t itt; + conn->last_recv = jiffies; if (hdr->itt != RESERVED_ITT) itt = get_itt(hdr->itt); else @@ -429,10 +606,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, */ if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen)) rc = ISCSI_ERR_CONN_FAILED; - list_del(&mtask->running); - if (conn->login_mtask != mtask) - __kfifo_put(session->mgmtpool.queue, - (void*)&mtask, sizeof(void*)); + iscsi_free_mgmt_task(conn, mtask); break; case ISCSI_OP_SCSI_TMFUNC_RSP: if (datalen) { @@ -441,20 +615,26 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, } iscsi_tmf_rsp(conn, hdr); + iscsi_free_mgmt_task(conn, mtask); break; case ISCSI_OP_NOOP_IN: - if (hdr->ttt != cpu_to_be32(ISCSI_RESERVED_TAG) || datalen) { + if (hdr->ttt != cpu_to_be32(ISCSI_RESERVED_TAG) || + datalen) { rc = ISCSI_ERR_PROTO; break; } conn->exp_statsn = be32_to_cpu(hdr->statsn) + 1; - if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen)) - rc = ISCSI_ERR_CONN_FAILED; - list_del(&mtask->running); - if (conn->login_mtask != mtask) - __kfifo_put(session->mgmtpool.queue, - (void*)&mtask, sizeof(void*)); + if (conn->ping_mtask != mtask) { + /* + * If this is not in response to one of our + * nops then it must be from userspace. + */ + if (iscsi_recv_pdu(conn->cls_conn, hdr, data, + datalen)) + rc = ISCSI_ERR_CONN_FAILED; + } + iscsi_free_mgmt_task(conn, mtask); break; default: rc = ISCSI_ERR_BAD_OPCODE; @@ -473,8 +653,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, if (hdr->ttt == cpu_to_be32(ISCSI_RESERVED_TAG)) break; - if (iscsi_recv_pdu(conn->cls_conn, hdr, NULL, 0)) - rc = ISCSI_ERR_CONN_FAILED; + iscsi_send_nopout(conn, (struct iscsi_nopin*)hdr); break; case ISCSI_OP_REJECT: rc = iscsi_handle_reject(conn, hdr, data, datalen); @@ -609,20 +788,19 @@ static void iscsi_prep_mtask(struct iscsi_conn *conn, session->tt->init_mgmt_task(conn, mtask); debug_scsi("mgmtpdu [op 0x%x hdr->itt 0x%x datalen %d]\n", - hdr->opcode, hdr->itt, mtask->data_count); + hdr->opcode & ISCSI_OPCODE_MASK, hdr->itt, + mtask->data_count); } static int iscsi_xmit_mtask(struct iscsi_conn *conn) { struct iscsi_hdr *hdr = conn->mtask->hdr; - int rc, was_logout = 0; + int rc; + if ((hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGOUT) + conn->session->state = ISCSI_STATE_LOGGING_OUT; spin_unlock_bh(&conn->session->lock); - if ((hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGOUT) { - conn->session->state = ISCSI_STATE_IN_RECOVERY; - iscsi_block_session(session_to_cls(conn->session)); - was_logout = 1; - } + rc = conn->session->tt->xmit_mgmt_task(conn, conn->mtask); spin_lock_bh(&conn->session->lock); if (rc) @@ -630,11 +808,6 @@ static int iscsi_xmit_mtask(struct iscsi_conn *conn) /* done with this in-progress mtask */ conn->mtask = NULL; - - if (was_logout) { - set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); - return -ENODATA; - } return 0; } @@ -658,21 +831,13 @@ static int iscsi_check_cmdsn_window_closed(struct iscsi_conn *conn) static int iscsi_xmit_ctask(struct iscsi_conn *conn) { struct iscsi_cmd_task *ctask = conn->ctask; - int rc = 0; - - /* - * serialize with TMF AbortTask - */ - if (ctask->state == ISCSI_TASK_ABORTING) - goto done; + int rc; __iscsi_get_ctask(ctask); spin_unlock_bh(&conn->session->lock); rc = conn->session->tt->xmit_cmd_task(conn, ctask); spin_lock_bh(&conn->session->lock); __iscsi_put_ctask(ctask); - -done: if (!rc) /* done with this ctask */ conn->ctask = NULL; @@ -680,6 +845,22 @@ done: } /** + * iscsi_requeue_ctask - requeue ctask to run from session workqueue + * @ctask: ctask to requeue + * + * LLDs that need to run a ctask from the session workqueue should call + * this. The session lock must be held. + */ +void iscsi_requeue_ctask(struct iscsi_cmd_task *ctask) +{ + struct iscsi_conn *conn = ctask->conn; + + list_move_tail(&ctask->running, &conn->requeue); + scsi_queue_work(conn->session->host, &conn->xmitwork); +} +EXPORT_SYMBOL_GPL(iscsi_requeue_ctask); + +/** * iscsi_data_xmit - xmit any command into the scheduled connection * @conn: iscsi connection * @@ -717,36 +898,40 @@ static int iscsi_data_xmit(struct iscsi_conn *conn) * overflow us with nop-ins */ check_mgmt: - while (__kfifo_get(conn->mgmtqueue, (void*)&conn->mtask, - sizeof(void*))) { + while (!list_empty(&conn->mgmtqueue)) { + conn->mtask = list_entry(conn->mgmtqueue.next, + struct iscsi_mgmt_task, running); + if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { + iscsi_free_mgmt_task(conn, conn->mtask); + conn->mtask = NULL; + continue; + } + iscsi_prep_mtask(conn, conn->mtask); - list_add_tail(&conn->mtask->running, &conn->mgmt_run_list); + list_move_tail(conn->mgmtqueue.next, &conn->mgmt_run_list); rc = iscsi_xmit_mtask(conn); if (rc) goto again; } - /* process command queue */ + /* process pending command queue */ while (!list_empty(&conn->xmitqueue)) { - /* - * iscsi tcp may readd the task to the xmitqueue to send - * write data - */ + if (conn->tmf_state == TMF_QUEUED) + break; + conn->ctask = list_entry(conn->xmitqueue.next, struct iscsi_cmd_task, running); - switch (conn->ctask->state) { - case ISCSI_TASK_ABORTING: - break; - case ISCSI_TASK_PENDING: - iscsi_prep_scsi_cmd_pdu(conn->ctask); - conn->session->tt->init_cmd_task(conn->ctask); - /* fall through */ - default: - conn->ctask->state = ISCSI_TASK_RUNNING; - break; + if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { + fail_command(conn, conn->ctask, DID_IMM_RETRY << 16); + continue; + } + if (iscsi_prep_scsi_cmd_pdu(conn->ctask)) { + fail_command(conn, conn->ctask, DID_ABORT << 16); + continue; } - list_move_tail(conn->xmitqueue.next, &conn->run_list); + conn->ctask->state = ISCSI_TASK_RUNNING; + list_move_tail(conn->xmitqueue.next, &conn->run_list); rc = iscsi_xmit_ctask(conn); if (rc) goto again; @@ -755,7 +940,28 @@ check_mgmt: * we need to check the mgmt queue for nops that need to * be sent to aviod starvation */ - if (__kfifo_len(conn->mgmtqueue)) + if (!list_empty(&conn->mgmtqueue)) + goto check_mgmt; + } + + while (!list_empty(&conn->requeue)) { + if (conn->session->fast_abort && conn->tmf_state != TMF_INITIAL) + break; + + /* + * we always do fastlogout - conn stop code will clean up. + */ + if (conn->session->state == ISCSI_STATE_LOGGING_OUT) + break; + + conn->ctask = list_entry(conn->requeue.next, + struct iscsi_cmd_task, running); + conn->ctask->state = ISCSI_TASK_RUNNING; + list_move_tail(conn->requeue.next, &conn->run_list); + rc = iscsi_xmit_ctask(conn); + if (rc) + goto again; + if (!list_empty(&conn->mgmtqueue)) goto check_mgmt; } spin_unlock_bh(&conn->session->lock); @@ -790,6 +996,7 @@ enum { FAILURE_SESSION_TERMINATE, FAILURE_SESSION_IN_RECOVERY, FAILURE_SESSION_RECOVERY_TIMEOUT, + FAILURE_SESSION_LOGGING_OUT, }; int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) @@ -805,8 +1012,9 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) sc->SCp.ptr = NULL; host = sc->device->host; - session = iscsi_hostdata(host->hostdata); + spin_unlock(host->host_lock); + session = iscsi_hostdata(host->hostdata); spin_lock(&session->lock); /* @@ -822,17 +1030,22 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) * be entering our queuecommand while a block is starting * up because the block code is not locked) */ - if (session->state == ISCSI_STATE_IN_RECOVERY) { + switch (session->state) { + case ISCSI_STATE_IN_RECOVERY: reason = FAILURE_SESSION_IN_RECOVERY; goto reject; - } - - if (session->state == ISCSI_STATE_RECOVERY_FAILED) + case ISCSI_STATE_LOGGING_OUT: + reason = FAILURE_SESSION_LOGGING_OUT; + goto reject; + case ISCSI_STATE_RECOVERY_FAILED: reason = FAILURE_SESSION_RECOVERY_TIMEOUT; - else if (session->state == ISCSI_STATE_TERMINATE) + break; + case ISCSI_STATE_TERMINATE: reason = FAILURE_SESSION_TERMINATE; - else + break; + default: reason = FAILURE_SESSION_FREED; + } goto fault; } @@ -859,7 +1072,6 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) atomic_set(&ctask->refcount, 1); ctask->state = ISCSI_TASK_PENDING; - ctask->mtask = NULL; ctask->conn = conn; ctask->sc = sc; INIT_LIST_HEAD(&ctask->running); @@ -868,11 +1080,13 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) spin_unlock(&session->lock); scsi_queue_work(host, &conn->xmitwork); + spin_lock(host->host_lock); return 0; reject: spin_unlock(&session->lock); debug_scsi("cmd 0x%x rejected (%d)\n", sc->cmnd[0], reason); + spin_lock(host->host_lock); return SCSI_MLQUEUE_HOST_BUSY; fault: @@ -882,6 +1096,7 @@ fault: sc->result = (DID_NO_CONNECT << 16); scsi_set_resid(sc, scsi_bufflen(sc)); sc->scsi_done(sc); + spin_lock(host->host_lock); return 0; } EXPORT_SYMBOL_GPL(iscsi_queuecommand); @@ -895,72 +1110,15 @@ int iscsi_change_queue_depth(struct scsi_device *sdev, int depth) } EXPORT_SYMBOL_GPL(iscsi_change_queue_depth); -static struct iscsi_mgmt_task * -__iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, - char *data, uint32_t data_size) -{ - struct iscsi_session *session = conn->session; - struct iscsi_mgmt_task *mtask; - - if (session->state == ISCSI_STATE_TERMINATE) - return NULL; - - if (hdr->opcode == (ISCSI_OP_LOGIN | ISCSI_OP_IMMEDIATE) || - hdr->opcode == (ISCSI_OP_TEXT | ISCSI_OP_IMMEDIATE)) - /* - * Login and Text are sent serially, in - * request-followed-by-response sequence. - * Same mtask can be used. Same ITT must be used. - * Note that login_mtask is preallocated at conn_create(). - */ - mtask = conn->login_mtask; - else { - BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE); - BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED); - - if (!__kfifo_get(session->mgmtpool.queue, - (void*)&mtask, sizeof(void*))) - return NULL; - } - - if (data_size) { - memcpy(mtask->data, data, data_size); - mtask->data_count = data_size; - } else - mtask->data_count = 0; - - INIT_LIST_HEAD(&mtask->running); - memcpy(mtask->hdr, hdr, sizeof(struct iscsi_hdr)); - __kfifo_put(conn->mgmtqueue, (void*)&mtask, sizeof(void*)); - return mtask; -} - -int iscsi_conn_send_pdu(struct iscsi_cls_conn *cls_conn, struct iscsi_hdr *hdr, - char *data, uint32_t data_size) -{ - struct iscsi_conn *conn = cls_conn->dd_data; - struct iscsi_session *session = conn->session; - int err = 0; - - spin_lock_bh(&session->lock); - if (!__iscsi_conn_send_pdu(conn, hdr, data, data_size)) - err = -EPERM; - spin_unlock_bh(&session->lock); - scsi_queue_work(session->host, &conn->xmitwork); - return err; -} -EXPORT_SYMBOL_GPL(iscsi_conn_send_pdu); - void iscsi_session_recovery_timedout(struct iscsi_cls_session *cls_session) { struct iscsi_session *session = class_to_transport_session(cls_session); - struct iscsi_conn *conn = session->leadconn; spin_lock_bh(&session->lock); if (session->state != ISCSI_STATE_LOGGED_IN) { session->state = ISCSI_STATE_RECOVERY_FAILED; - if (conn) - wake_up(&conn->ehwait); + if (session->leadconn) + wake_up(&session->leadconn->ehwait); } spin_unlock_bh(&session->lock); } @@ -971,30 +1129,25 @@ int iscsi_eh_host_reset(struct scsi_cmnd *sc) struct Scsi_Host *host = sc->device->host; struct iscsi_session *session = iscsi_hostdata(host->hostdata); struct iscsi_conn *conn = session->leadconn; - int fail_session = 0; + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); if (session->state == ISCSI_STATE_TERMINATE) { failed: debug_scsi("failing host reset: session terminated " "[CID %d age %d]\n", conn->id, session->age); spin_unlock_bh(&session->lock); + mutex_unlock(&session->eh_mutex); return FAILED; } - if (sc->SCp.phase == session->age) { - debug_scsi("failing connection CID %d due to SCSI host reset\n", - conn->id); - fail_session = 1; - } spin_unlock_bh(&session->lock); - + mutex_unlock(&session->eh_mutex); /* * we drop the lock here but the leadconn cannot be destoyed while * we are in the scsi eh */ - if (fail_session) - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); debug_scsi("iscsi_eh_host_reset wait for relogin\n"); wait_event_interruptible(conn->ehwait, @@ -1004,73 +1157,56 @@ failed: if (signal_pending(current)) flush_signals(current); + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); if (session->state == ISCSI_STATE_LOGGED_IN) printk(KERN_INFO "iscsi: host reset succeeded\n"); else goto failed; spin_unlock_bh(&session->lock); - + mutex_unlock(&session->eh_mutex); return SUCCESS; } EXPORT_SYMBOL_GPL(iscsi_eh_host_reset); -static void iscsi_tmabort_timedout(unsigned long data) +static void iscsi_tmf_timedout(unsigned long data) { - struct iscsi_cmd_task *ctask = (struct iscsi_cmd_task *)data; - struct iscsi_conn *conn = ctask->conn; + struct iscsi_conn *conn = (struct iscsi_conn *)data; struct iscsi_session *session = conn->session; spin_lock(&session->lock); - if (conn->tmabort_state == TMABORT_INITIAL) { - conn->tmabort_state = TMABORT_TIMEDOUT; - debug_scsi("tmabort timedout [sc %p itt 0x%x]\n", - ctask->sc, ctask->itt); + if (conn->tmf_state == TMF_QUEUED) { + conn->tmf_state = TMF_TIMEDOUT; + debug_scsi("tmf timedout\n"); /* unblock eh_abort() */ wake_up(&conn->ehwait); } spin_unlock(&session->lock); } -static int iscsi_exec_abort_task(struct scsi_cmnd *sc, - struct iscsi_cmd_task *ctask) +static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, + struct iscsi_tm *hdr, int age, + int timeout) { - struct iscsi_conn *conn = ctask->conn; struct iscsi_session *session = conn->session; - struct iscsi_tm *hdr = &conn->tmhdr; - - /* - * ctask timed out but session is OK requests must be serialized. - */ - memset(hdr, 0, sizeof(struct iscsi_tm)); - hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; - hdr->flags = ISCSI_TM_FUNC_ABORT_TASK; - hdr->flags |= ISCSI_FLAG_CMD_FINAL; - memcpy(hdr->lun, ctask->hdr->lun, sizeof(hdr->lun)); - hdr->rtt = ctask->hdr->itt; - hdr->refcmdsn = ctask->hdr->cmdsn; + struct iscsi_mgmt_task *mtask; - ctask->mtask = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)hdr, - NULL, 0); - if (!ctask->mtask) { + mtask = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)hdr, + NULL, 0); + if (!mtask) { spin_unlock_bh(&session->lock); iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - spin_lock_bh(&session->lock) - debug_scsi("abort sent failure [itt 0x%x]\n", ctask->itt); + spin_lock_bh(&session->lock); + debug_scsi("tmf exec failure\n"); return -EPERM; } - ctask->state = ISCSI_TASK_ABORTING; + conn->tmfcmd_pdus_cnt++; + conn->tmf_timer.expires = timeout * HZ + jiffies; + conn->tmf_timer.function = iscsi_tmf_timedout; + conn->tmf_timer.data = (unsigned long)conn; + add_timer(&conn->tmf_timer); + debug_scsi("tmf set timeout\n"); - debug_scsi("abort sent [itt 0x%x]\n", ctask->itt); - - if (conn->tmabort_state == TMABORT_INITIAL) { - conn->tmfcmd_pdus_cnt++; - conn->tmabort_timer.expires = 20*HZ + jiffies; - conn->tmabort_timer.function = iscsi_tmabort_timedout; - conn->tmabort_timer.data = (unsigned long)ctask; - add_timer(&conn->tmabort_timer); - debug_scsi("abort set timeout [itt 0x%x]\n", ctask->itt); - } spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); scsi_queue_work(session->host, &conn->xmitwork); @@ -1078,113 +1214,197 @@ static int iscsi_exec_abort_task(struct scsi_cmnd *sc, /* * block eh thread until: * - * 1) abort response - * 2) abort timeout + * 1) tmf response + * 2) tmf timeout * 3) session is terminated or restarted or userspace has * given up on recovery */ - wait_event_interruptible(conn->ehwait, - sc->SCp.phase != session->age || + wait_event_interruptible(conn->ehwait, age != session->age || session->state != ISCSI_STATE_LOGGED_IN || - conn->tmabort_state != TMABORT_INITIAL); + conn->tmf_state != TMF_QUEUED); if (signal_pending(current)) flush_signals(current); - del_timer_sync(&conn->tmabort_timer); + del_timer_sync(&conn->tmf_timer); + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); + /* if the session drops it will clean up the mtask */ + if (age != session->age || + session->state != ISCSI_STATE_LOGGED_IN) + return -ENOTCONN; return 0; } /* - * session lock must be held + * Fail commands. session lock held and recv side suspended and xmit + * thread flushed */ -static struct iscsi_mgmt_task * -iscsi_remove_mgmt_task(struct kfifo *fifo, uint32_t itt) +static void fail_all_commands(struct iscsi_conn *conn, unsigned lun) { - int i, nr_tasks = __kfifo_len(fifo) / sizeof(void*); - struct iscsi_mgmt_task *task; + struct iscsi_cmd_task *ctask, *tmp; - debug_scsi("searching %d tasks\n", nr_tasks); + if (conn->ctask && (conn->ctask->sc->device->lun == lun || lun == -1)) + conn->ctask = NULL; - for (i = 0; i < nr_tasks; i++) { - __kfifo_get(fifo, (void*)&task, sizeof(void*)); - debug_scsi("check task %u\n", task->itt); + /* flush pending */ + list_for_each_entry_safe(ctask, tmp, &conn->xmitqueue, running) { + if (lun == ctask->sc->device->lun || lun == -1) { + debug_scsi("failing pending sc %p itt 0x%x\n", + ctask->sc, ctask->itt); + fail_command(conn, ctask, DID_BUS_BUSY << 16); + } + } - if (task->itt == itt) { - debug_scsi("matched task\n"); - return task; + list_for_each_entry_safe(ctask, tmp, &conn->requeue, running) { + if (lun == ctask->sc->device->lun || lun == -1) { + debug_scsi("failing requeued sc %p itt 0x%x\n", + ctask->sc, ctask->itt); + fail_command(conn, ctask, DID_BUS_BUSY << 16); } + } - __kfifo_put(fifo, (void*)&task, sizeof(void*)); + /* fail all other running */ + list_for_each_entry_safe(ctask, tmp, &conn->run_list, running) { + if (lun == ctask->sc->device->lun || lun == -1) { + debug_scsi("failing in progress sc %p itt 0x%x\n", + ctask->sc, ctask->itt); + fail_command(conn, ctask, DID_BUS_BUSY << 16); + } } - return NULL; } -static int iscsi_ctask_mtask_cleanup(struct iscsi_cmd_task *ctask) +static void iscsi_suspend_tx(struct iscsi_conn *conn) { - struct iscsi_conn *conn = ctask->conn; - struct iscsi_session *session = conn->session; - - if (!ctask->mtask) - return -EINVAL; + set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); + scsi_flush_work(conn->session->host); +} - if (!iscsi_remove_mgmt_task(conn->mgmtqueue, ctask->mtask->itt)) - list_del(&ctask->mtask->running); - __kfifo_put(session->mgmtpool.queue, (void*)&ctask->mtask, - sizeof(void*)); - ctask->mtask = NULL; - return 0; +static void iscsi_start_tx(struct iscsi_conn *conn) +{ + clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); + scsi_queue_work(conn->session->host, &conn->xmitwork); } -/* - * session lock must be held - */ -static void fail_command(struct iscsi_conn *conn, struct iscsi_cmd_task *ctask, - int err) +static enum scsi_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *scmd) { - struct scsi_cmnd *sc; + struct iscsi_cls_session *cls_session; + struct iscsi_session *session; + struct iscsi_conn *conn; + enum scsi_eh_timer_return rc = EH_NOT_HANDLED; - sc = ctask->sc; - if (!sc) - return; + cls_session = starget_to_session(scsi_target(scmd->device)); + session = class_to_transport_session(cls_session); - if (ctask->state == ISCSI_TASK_PENDING) + debug_scsi("scsi cmd %p timedout\n", scmd); + + spin_lock(&session->lock); + if (session->state != ISCSI_STATE_LOGGED_IN) { /* - * cmd never made it to the xmit thread, so we should not count - * the cmd in the sequencing + * We are probably in the middle of iscsi recovery so let + * that complete and handle the error. */ - conn->session->queued_cmdsn--; - else - conn->session->tt->cleanup_cmd_task(conn, ctask); - iscsi_ctask_mtask_cleanup(ctask); + rc = EH_RESET_TIMER; + goto done; + } - sc->result = err; - scsi_set_resid(sc, scsi_bufflen(sc)); - if (conn->ctask == ctask) - conn->ctask = NULL; - /* release ref from queuecommand */ - __iscsi_put_ctask(ctask); + conn = session->leadconn; + if (!conn) { + /* In the middle of shuting down */ + rc = EH_RESET_TIMER; + goto done; + } + + if (!conn->recv_timeout && !conn->ping_timeout) + goto done; + /* + * if the ping timedout then we are in the middle of cleaning up + * and can let the iscsi eh handle it + */ + if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) + + (conn->ping_timeout * HZ), jiffies)) + rc = EH_RESET_TIMER; + /* + * if we are about to check the transport then give the command + * more time + */ + if (time_before_eq(conn->last_recv + (conn->recv_timeout * HZ), + jiffies)) + rc = EH_RESET_TIMER; + /* if in the middle of checking the transport then give us more time */ + if (conn->ping_mtask) + rc = EH_RESET_TIMER; +done: + spin_unlock(&session->lock); + debug_scsi("return %s\n", rc == EH_RESET_TIMER ? "timer reset" : "nh"); + return rc; } -static void iscsi_suspend_tx(struct iscsi_conn *conn) +static void iscsi_check_transport_timeouts(unsigned long data) { - set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); - scsi_flush_work(conn->session->host); + struct iscsi_conn *conn = (struct iscsi_conn *)data; + struct iscsi_session *session = conn->session; + unsigned long timeout, next_timeout = 0, last_recv; + + spin_lock(&session->lock); + if (session->state != ISCSI_STATE_LOGGED_IN) + goto done; + + timeout = conn->recv_timeout; + if (!timeout) + goto done; + + timeout *= HZ; + last_recv = conn->last_recv; + if (time_before_eq(last_recv + timeout + (conn->ping_timeout * HZ), + jiffies)) { + printk(KERN_ERR "ping timeout of %d secs expired, " + "last rx %lu, last ping %lu, now %lu\n", + conn->ping_timeout, last_recv, + conn->last_ping, jiffies); + spin_unlock(&session->lock); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + return; + } + + if (time_before_eq(last_recv + timeout, jiffies)) { + if (time_before_eq(conn->last_ping, last_recv)) { + /* send a ping to try to provoke some traffic */ + debug_scsi("Sending nopout as ping on conn %p\n", conn); + iscsi_send_nopout(conn, NULL); + } + next_timeout = last_recv + timeout + (conn->ping_timeout * HZ); + } else { + next_timeout = last_recv + timeout; + } + + if (next_timeout) { + debug_scsi("Setting next tmo %lu\n", next_timeout); + mod_timer(&conn->transport_timer, next_timeout); + } +done: + spin_unlock(&session->lock); } -static void iscsi_start_tx(struct iscsi_conn *conn) +static void iscsi_prep_abort_task_pdu(struct iscsi_cmd_task *ctask, + struct iscsi_tm *hdr) { - clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); - scsi_queue_work(conn->session->host, &conn->xmitwork); + memset(hdr, 0, sizeof(*hdr)); + hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; + hdr->flags = ISCSI_TM_FUNC_ABORT_TASK & ISCSI_FLAG_TM_FUNC_MASK; + hdr->flags |= ISCSI_FLAG_CMD_FINAL; + memcpy(hdr->lun, ctask->hdr->lun, sizeof(hdr->lun)); + hdr->rtt = ctask->hdr->itt; + hdr->refcmdsn = ctask->hdr->cmdsn; } int iscsi_eh_abort(struct scsi_cmnd *sc) { struct Scsi_Host *host = sc->device->host; struct iscsi_session *session = iscsi_hostdata(host->hostdata); - struct iscsi_cmd_task *ctask; struct iscsi_conn *conn; - int rc; + struct iscsi_cmd_task *ctask; + struct iscsi_tm *hdr; + int rc, age; mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); @@ -1199,19 +1419,23 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) return SUCCESS; } - ctask = (struct iscsi_cmd_task *)sc->SCp.ptr; - conn = ctask->conn; - - conn->eh_abort_cnt++; - debug_scsi("aborting [sc %p itt 0x%x]\n", sc, ctask->itt); - /* * If we are not logged in or we have started a new session * then let the host reset code handle this */ - if (session->state != ISCSI_STATE_LOGGED_IN || - sc->SCp.phase != session->age) - goto failed; + if (!session->leadconn || session->state != ISCSI_STATE_LOGGED_IN || + sc->SCp.phase != session->age) { + spin_unlock_bh(&session->lock); + mutex_unlock(&session->eh_mutex); + return FAILED; + } + + conn = session->leadconn; + conn->eh_abort_cnt++; + age = session->age; + + ctask = (struct iscsi_cmd_task *)sc->SCp.ptr; + debug_scsi("aborting [sc %p itt 0x%x]\n", sc, ctask->itt); /* ctask completed before time out */ if (!ctask->sc) { @@ -1219,27 +1443,26 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) goto success; } - /* what should we do here ? */ - if (conn->ctask == ctask) { - printk(KERN_INFO "iscsi: sc %p itt 0x%x partially sent. " - "Failing abort\n", sc, ctask->itt); - goto failed; - } - if (ctask->state == ISCSI_TASK_PENDING) { fail_command(conn, ctask, DID_ABORT << 16); goto success; } - conn->tmabort_state = TMABORT_INITIAL; - rc = iscsi_exec_abort_task(sc, ctask); - if (rc || sc->SCp.phase != session->age || - session->state != ISCSI_STATE_LOGGED_IN) + /* only have one tmf outstanding at a time */ + if (conn->tmf_state != TMF_INITIAL) + goto failed; + conn->tmf_state = TMF_QUEUED; + + hdr = &conn->tmhdr; + iscsi_prep_abort_task_pdu(ctask, hdr); + + if (iscsi_exec_task_mgmt_fn(conn, hdr, age, session->abort_timeout)) { + rc = FAILED; goto failed; - iscsi_ctask_mtask_cleanup(ctask); + } - switch (conn->tmabort_state) { - case TMABORT_SUCCESS: + switch (conn->tmf_state) { + case TMF_SUCCESS: spin_unlock_bh(&session->lock); iscsi_suspend_tx(conn); /* @@ -1248,22 +1471,26 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) write_lock_bh(conn->recv_lock); spin_lock(&session->lock); fail_command(conn, ctask, DID_ABORT << 16); + conn->tmf_state = TMF_INITIAL; spin_unlock(&session->lock); write_unlock_bh(conn->recv_lock); iscsi_start_tx(conn); goto success_unlocked; - case TMABORT_NOT_FOUND: - if (!ctask->sc) { + case TMF_TIMEDOUT: + spin_unlock_bh(&session->lock); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + goto failed_unlocked; + case TMF_NOT_FOUND: + if (!sc->SCp.ptr) { + conn->tmf_state = TMF_INITIAL; /* ctask completed before tmf abort response */ debug_scsi("sc completed while abort in progress\n"); goto success; } /* fall through */ default: - /* timedout or failed */ - spin_unlock_bh(&session->lock); - iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); - goto failed_unlocked; + conn->tmf_state = TMF_INITIAL; + goto failed; } success: @@ -1276,65 +1503,152 @@ success_unlocked: failed: spin_unlock_bh(&session->lock); failed_unlocked: - debug_scsi("abort failed [sc %lx itt 0x%x]\n", (long)sc, ctask->itt); + debug_scsi("abort failed [sc %p itt 0x%x]\n", sc, + ctask ? ctask->itt : 0); mutex_unlock(&session->eh_mutex); return FAILED; } EXPORT_SYMBOL_GPL(iscsi_eh_abort); +static void iscsi_prep_lun_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) +{ + memset(hdr, 0, sizeof(*hdr)); + hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; + hdr->flags = ISCSI_TM_FUNC_LOGICAL_UNIT_RESET & ISCSI_FLAG_TM_FUNC_MASK; + hdr->flags |= ISCSI_FLAG_CMD_FINAL; + int_to_scsilun(sc->device->lun, (struct scsi_lun *)hdr->lun); + hdr->rtt = RESERVED_ITT; +} + +int iscsi_eh_device_reset(struct scsi_cmnd *sc) +{ + struct Scsi_Host *host = sc->device->host; + struct iscsi_session *session = iscsi_hostdata(host->hostdata); + struct iscsi_conn *conn; + struct iscsi_tm *hdr; + int rc = FAILED; + + debug_scsi("LU Reset [sc %p lun %u]\n", sc, sc->device->lun); + + mutex_lock(&session->eh_mutex); + spin_lock_bh(&session->lock); + /* + * Just check if we are not logged in. We cannot check for + * the phase because the reset could come from a ioctl. + */ + if (!session->leadconn || session->state != ISCSI_STATE_LOGGED_IN) + goto unlock; + conn = session->leadconn; + + /* only have one tmf outstanding at a time */ + if (conn->tmf_state != TMF_INITIAL) + goto unlock; + conn->tmf_state = TMF_QUEUED; + + hdr = &conn->tmhdr; + iscsi_prep_lun_reset_pdu(sc, hdr); + + if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age, + session->lu_reset_timeout)) { + rc = FAILED; + goto unlock; + } + + switch (conn->tmf_state) { + case TMF_SUCCESS: + break; + case TMF_TIMEDOUT: + spin_unlock_bh(&session->lock); + iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); + goto done; + default: + conn->tmf_state = TMF_INITIAL; + goto unlock; + } + + rc = SUCCESS; + spin_unlock_bh(&session->lock); + + iscsi_suspend_tx(conn); + /* need to grab the recv lock then session lock */ + write_lock_bh(conn->recv_lock); + spin_lock(&session->lock); + fail_all_commands(conn, sc->device->lun); + conn->tmf_state = TMF_INITIAL; + spin_unlock(&session->lock); + write_unlock_bh(conn->recv_lock); + + iscsi_start_tx(conn); + goto done; + +unlock: + spin_unlock_bh(&session->lock); +done: + debug_scsi("iscsi_eh_device_reset %s\n", + rc == SUCCESS ? "SUCCESS" : "FAILED"); + mutex_unlock(&session->eh_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(iscsi_eh_device_reset); + +/* + * Pre-allocate a pool of @max items of @item_size. By default, the pool + * should be accessed via kfifo_{get,put} on q->queue. + * Optionally, the caller can obtain the array of object pointers + * by passing in a non-NULL @items pointer + */ int -iscsi_pool_init(struct iscsi_queue *q, int max, void ***items, int item_size) +iscsi_pool_init(struct iscsi_pool *q, int max, void ***items, int item_size) { - int i; + int i, num_arrays = 1; - *items = kmalloc(max * sizeof(void*), GFP_KERNEL); - if (*items == NULL) - return -ENOMEM; + memset(q, 0, sizeof(*q)); q->max = max; - q->pool = kmalloc(max * sizeof(void*), GFP_KERNEL); - if (q->pool == NULL) { - kfree(*items); - return -ENOMEM; - } + + /* If the user passed an items pointer, he wants a copy of + * the array. */ + if (items) + num_arrays++; + q->pool = kzalloc(num_arrays * max * sizeof(void*), GFP_KERNEL); + if (q->pool == NULL) + goto enomem; q->queue = kfifo_init((void*)q->pool, max * sizeof(void*), GFP_KERNEL, NULL); - if (q->queue == ERR_PTR(-ENOMEM)) { - kfree(q->pool); - kfree(*items); - return -ENOMEM; - } + if (q->queue == ERR_PTR(-ENOMEM)) + goto enomem; for (i = 0; i < max; i++) { - q->pool[i] = kmalloc(item_size, GFP_KERNEL); + q->pool[i] = kzalloc(item_size, GFP_KERNEL); if (q->pool[i] == NULL) { - int j; - - for (j = 0; j < i; j++) - kfree(q->pool[j]); - - kfifo_free(q->queue); - kfree(q->pool); - kfree(*items); - return -ENOMEM; + q->max = i; + goto enomem; } - memset(q->pool[i], 0, item_size); - (*items)[i] = q->pool[i]; __kfifo_put(q->queue, (void*)&q->pool[i], sizeof(void*)); } + + if (items) { + *items = q->pool + max; + memcpy(*items, q->pool, max * sizeof(void *)); + } + return 0; + +enomem: + iscsi_pool_free(q); + return -ENOMEM; } EXPORT_SYMBOL_GPL(iscsi_pool_init); -void iscsi_pool_free(struct iscsi_queue *q, void **items) +void iscsi_pool_free(struct iscsi_pool *q) { int i; for (i = 0; i < q->max; i++) - kfree(items[i]); - kfree(q->pool); - kfree(items); + kfree(q->pool[i]); + if (q->pool) + kfree(q->pool); } EXPORT_SYMBOL_GPL(iscsi_pool_free); @@ -1387,7 +1701,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, qdepth = ISCSI_DEF_CMD_PER_LUN; } - if (cmds_max < 2 || (cmds_max & (cmds_max - 1)) || + if (!is_power_of_2(cmds_max) || cmds_max >= ISCSI_MGMT_ITT_OFFSET) { if (cmds_max != 0) printk(KERN_ERR "iscsi: invalid can_queue of %d. " @@ -1411,12 +1725,16 @@ iscsi_session_setup(struct iscsi_transport *iscsit, shost->max_cmd_len = iscsit->max_cmd_len; shost->transportt = scsit; shost->transportt->create_work_queue = 1; + shost->transportt->eh_timed_out = iscsi_eh_cmd_timed_out; *hostno = shost->host_no; session = iscsi_hostdata(shost->hostdata); memset(session, 0, sizeof(struct iscsi_session)); session->host = shost; session->state = ISCSI_STATE_FREE; + session->fast_abort = 1; + session->lu_reset_timeout = 15; + session->abort_timeout = 10; session->mgmtpool_max = ISCSI_MGMT_CMDS_MAX; session->cmds_max = cmds_max; session->queued_cmdsn = session->cmdsn = initial_cmdsn; @@ -1479,9 +1797,9 @@ module_put: cls_session_fail: scsi_remove_host(shost); add_host_fail: - iscsi_pool_free(&session->mgmtpool, (void**)session->mgmt_cmds); + iscsi_pool_free(&session->mgmtpool); mgmtpool_alloc_fail: - iscsi_pool_free(&session->cmdpool, (void**)session->cmds); + iscsi_pool_free(&session->cmdpool); cmdpool_alloc_fail: scsi_host_put(shost); return NULL; @@ -1501,11 +1819,11 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) struct iscsi_session *session = iscsi_hostdata(shost->hostdata); struct module *owner = cls_session->transport->owner; - iscsi_unblock_session(cls_session); + iscsi_remove_session(cls_session); scsi_remove_host(shost); - iscsi_pool_free(&session->mgmtpool, (void**)session->mgmt_cmds); - iscsi_pool_free(&session->cmdpool, (void**)session->cmds); + iscsi_pool_free(&session->mgmtpool); + iscsi_pool_free(&session->cmdpool); kfree(session->password); kfree(session->password_in); @@ -1516,7 +1834,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) kfree(session->hwaddress); kfree(session->initiatorname); - iscsi_destroy_session(cls_session); + iscsi_free_session(cls_session); scsi_host_put(shost); module_put(owner); } @@ -1546,17 +1864,17 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, uint32_t conn_idx) conn->c_stage = ISCSI_CONN_INITIAL_STAGE; conn->id = conn_idx; conn->exp_statsn = 0; - conn->tmabort_state = TMABORT_INITIAL; + conn->tmf_state = TMF_INITIAL; + + init_timer(&conn->transport_timer); + conn->transport_timer.data = (unsigned long)conn; + conn->transport_timer.function = iscsi_check_transport_timeouts; + INIT_LIST_HEAD(&conn->run_list); INIT_LIST_HEAD(&conn->mgmt_run_list); + INIT_LIST_HEAD(&conn->mgmtqueue); INIT_LIST_HEAD(&conn->xmitqueue); - - /* initialize general immediate & non-immediate PDU commands queue */ - conn->mgmtqueue = kfifo_alloc(session->mgmtpool_max * sizeof(void*), - GFP_KERNEL, NULL); - if (conn->mgmtqueue == ERR_PTR(-ENOMEM)) - goto mgmtqueue_alloc_fail; - + INIT_LIST_HEAD(&conn->requeue); INIT_WORK(&conn->xmitwork, iscsi_xmitworker); /* allocate login_mtask used for the login/text sequences */ @@ -1574,7 +1892,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, uint32_t conn_idx) goto login_mtask_data_alloc_fail; conn->login_mtask->data = conn->data = data; - init_timer(&conn->tmabort_timer); + init_timer(&conn->tmf_timer); init_waitqueue_head(&conn->ehwait); return cls_conn; @@ -1583,8 +1901,6 @@ login_mtask_data_alloc_fail: __kfifo_put(session->mgmtpool.queue, (void*)&conn->login_mtask, sizeof(void*)); login_mtask_alloc_fail: - kfifo_free(conn->mgmtqueue); -mgmtqueue_alloc_fail: iscsi_destroy_conn(cls_conn); return NULL; } @@ -1603,8 +1919,9 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) struct iscsi_session *session = conn->session; unsigned long flags; + del_timer_sync(&conn->transport_timer); + spin_lock_bh(&session->lock); - set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx); conn->c_stage = ISCSI_CONN_CLEANUP_WAIT; if (session->leadconn == conn) { /* @@ -1637,7 +1954,7 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) } /* flush queued up work because we free the connection below */ - scsi_flush_work(session->host); + iscsi_suspend_tx(conn); spin_lock_bh(&session->lock); kfree(conn->data); @@ -1648,8 +1965,6 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn) session->leadconn = NULL; spin_unlock_bh(&session->lock); - kfifo_free(conn->mgmtqueue); - iscsi_destroy_conn(cls_conn); } EXPORT_SYMBOL_GPL(iscsi_conn_teardown); @@ -1672,11 +1987,29 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn) return -EINVAL; } + if (conn->ping_timeout && !conn->recv_timeout) { + printk(KERN_ERR "iscsi: invalid recv timeout of zero " + "Using 5 seconds\n."); + conn->recv_timeout = 5; + } + + if (conn->recv_timeout && !conn->ping_timeout) { + printk(KERN_ERR "iscsi: invalid ping timeout of zero " + "Using 5 seconds.\n"); + conn->ping_timeout = 5; + } + spin_lock_bh(&session->lock); conn->c_stage = ISCSI_CONN_STARTED; session->state = ISCSI_STATE_LOGGED_IN; session->queued_cmdsn = session->cmdsn; + conn->last_recv = jiffies; + conn->last_ping = jiffies; + if (conn->recv_timeout && conn->ping_timeout) + mod_timer(&conn->transport_timer, + jiffies + (conn->recv_timeout * HZ)); + switch(conn->stop_stage) { case STOP_CONN_RECOVER: /* @@ -1684,7 +2017,7 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn) * commands after successful recovery */ conn->stop_stage = 0; - conn->tmabort_state = TMABORT_INITIAL; + conn->tmf_state = TMF_INITIAL; session->age++; spin_unlock_bh(&session->lock); @@ -1709,55 +2042,27 @@ flush_control_queues(struct iscsi_session *session, struct iscsi_conn *conn) struct iscsi_mgmt_task *mtask, *tmp; /* handle pending */ - while (__kfifo_get(conn->mgmtqueue, (void*)&mtask, sizeof(void*))) { - if (mtask == conn->login_mtask) - continue; + list_for_each_entry_safe(mtask, tmp, &conn->mgmtqueue, running) { debug_scsi("flushing pending mgmt task itt 0x%x\n", mtask->itt); - __kfifo_put(session->mgmtpool.queue, (void*)&mtask, - sizeof(void*)); + iscsi_free_mgmt_task(conn, mtask); } /* handle running */ list_for_each_entry_safe(mtask, tmp, &conn->mgmt_run_list, running) { debug_scsi("flushing running mgmt task itt 0x%x\n", mtask->itt); - list_del(&mtask->running); - - if (mtask == conn->login_mtask) - continue; - __kfifo_put(session->mgmtpool.queue, (void*)&mtask, - sizeof(void*)); + iscsi_free_mgmt_task(conn, mtask); } conn->mtask = NULL; } -/* Fail commands. Mutex and session lock held and recv side suspended */ -static void fail_all_commands(struct iscsi_conn *conn) -{ - struct iscsi_cmd_task *ctask, *tmp; - - /* flush pending */ - list_for_each_entry_safe(ctask, tmp, &conn->xmitqueue, running) { - debug_scsi("failing pending sc %p itt 0x%x\n", ctask->sc, - ctask->itt); - fail_command(conn, ctask, DID_BUS_BUSY << 16); - } - - /* fail all other running */ - list_for_each_entry_safe(ctask, tmp, &conn->run_list, running) { - debug_scsi("failing in progress sc %p itt 0x%x\n", - ctask->sc, ctask->itt); - fail_command(conn, ctask, DID_BUS_BUSY << 16); - } - - conn->ctask = NULL; -} - static void iscsi_start_session_recovery(struct iscsi_session *session, struct iscsi_conn *conn, int flag) { int old_stop_stage; + del_timer_sync(&conn->transport_timer); + mutex_lock(&session->eh_mutex); spin_lock_bh(&session->lock); if (conn->stop_stage == STOP_CONN_TERM) { @@ -1818,7 +2123,7 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, * flush queues. */ spin_lock_bh(&session->lock); - fail_all_commands(conn); + fail_all_commands(conn, -1); flush_control_queues(session, conn); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); @@ -1869,6 +2174,21 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn, uint32_t value; switch(param) { + case ISCSI_PARAM_FAST_ABORT: + sscanf(buf, "%d", &session->fast_abort); + break; + case ISCSI_PARAM_ABORT_TMO: + sscanf(buf, "%d", &session->abort_timeout); + break; + case ISCSI_PARAM_LU_RESET_TMO: + sscanf(buf, "%d", &session->lu_reset_timeout); + break; + case ISCSI_PARAM_PING_TMO: + sscanf(buf, "%d", &conn->ping_timeout); + break; + case ISCSI_PARAM_RECV_TMO: + sscanf(buf, "%d", &conn->recv_timeout); + break; case ISCSI_PARAM_MAX_RECV_DLENGTH: sscanf(buf, "%d", &conn->max_recv_dlength); break; @@ -1983,6 +2303,15 @@ int iscsi_session_get_param(struct iscsi_cls_session *cls_session, int len; switch(param) { + case ISCSI_PARAM_FAST_ABORT: + len = sprintf(buf, "%d\n", session->fast_abort); + break; + case ISCSI_PARAM_ABORT_TMO: + len = sprintf(buf, "%d\n", session->abort_timeout); + break; + case ISCSI_PARAM_LU_RESET_TMO: + len = sprintf(buf, "%d\n", session->lu_reset_timeout); + break; case ISCSI_PARAM_INITIAL_R2T_EN: len = sprintf(buf, "%d\n", session->initial_r2t_en); break; @@ -2040,6 +2369,12 @@ int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, int len; switch(param) { + case ISCSI_PARAM_PING_TMO: + len = sprintf(buf, "%u\n", conn->ping_timeout); + break; + case ISCSI_PARAM_RECV_TMO: + len = sprintf(buf, "%u\n", conn->recv_timeout); + break; case ISCSI_PARAM_MAX_RECV_DLENGTH: len = sprintf(buf, "%u\n", conn->max_recv_dlength); break; diff --git a/drivers/scsi/libsas/Kconfig b/drivers/scsi/libsas/Kconfig index c01a40d321d4..18f33cd54411 100644 --- a/drivers/scsi/libsas/Kconfig +++ b/drivers/scsi/libsas/Kconfig @@ -38,6 +38,15 @@ config SCSI_SAS_ATA Builds in ATA support into libsas. Will necessitate the loading of libata along with libsas. +config SCSI_SAS_HOST_SMP + bool "Support for SMP interpretation for SAS hosts" + default y + depends on SCSI_SAS_LIBSAS + help + Allows sas hosts to receive SMP frames. Selecting this + option builds an SMP interpreter into libsas. Say + N here if you want to save the few kb this consumes. + config SCSI_SAS_LIBSAS_DEBUG bool "Compile the SAS Domain Transport Attributes in debug mode" default y diff --git a/drivers/scsi/libsas/Makefile b/drivers/scsi/libsas/Makefile index fd387b91856e..1ad1323c60fa 100644 --- a/drivers/scsi/libsas/Makefile +++ b/drivers/scsi/libsas/Makefile @@ -33,5 +33,7 @@ libsas-y += sas_init.o \ sas_dump.o \ sas_discover.o \ sas_expander.o \ - sas_scsi_host.o + sas_scsi_host.o \ + sas_task.o libsas-$(CONFIG_SCSI_SAS_ATA) += sas_ata.o +libsas-$(CONFIG_SCSI_SAS_HOST_SMP) += sas_host_smp.o
\ No newline at end of file diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 827cfb132f21..0996f866f14c 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -498,7 +498,7 @@ static int sas_execute_task(struct sas_task *task, void *buffer, int size, goto ex_err; } wait_for_completion(&task->completion); - res = -ETASK; + res = -ECOMM; if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { int res2; SAS_DPRINTK("task aborted, flags:0x%x\n", diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 5f3a0d7b18de..31b9af224243 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -98,7 +98,7 @@ static int sas_get_port_device(struct asd_sas_port *port) dev->dev_type = SATA_PM; else dev->dev_type = SATA_DEV; - dev->tproto = SATA_PROTO; + dev->tproto = SAS_PROTOCOL_SATA; } else { struct sas_identify_frame *id = (struct sas_identify_frame *) dev->frame_rcvd; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 8727436b222d..aefd865a5788 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -96,7 +96,7 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, } wait_for_completion(&task->completion); - res = -ETASK; + res = -ECOMM; if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) { SAS_DPRINTK("smp task timed out or aborted\n"); i->dft->lldd_abort_task(task); @@ -109,6 +109,16 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, task->task_status.stat == SAM_GOOD) { res = 0; break; + } if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_UNDERRUN) { + /* no error, but return the number of bytes of + * underrun */ + res = task->task_status.residual; + break; + } if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_OVERRUN) { + res = -EMSGSIZE; + break; } else { SAS_DPRINTK("%s: task to dev %016llx response: 0x%x " "status 0x%x\n", __FUNCTION__, @@ -656,9 +666,9 @@ static struct domain_device *sas_ex_discover_end_dev( sas_ex_get_linkrate(parent, child, phy); #ifdef CONFIG_SCSI_SAS_ATA - if ((phy->attached_tproto & SAS_PROTO_STP) || phy->attached_sata_dev) { + if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) { child->dev_type = SATA_DEV; - if (phy->attached_tproto & SAS_PROTO_STP) + if (phy->attached_tproto & SAS_PROTOCOL_STP) child->tproto = phy->attached_tproto; if (phy->attached_sata_dev) child->tproto |= SATA_DEV; @@ -695,7 +705,7 @@ static struct domain_device *sas_ex_discover_end_dev( } } else #endif - if (phy->attached_tproto & SAS_PROTO_SSP) { + if (phy->attached_tproto & SAS_PROTOCOL_SSP) { child->dev_type = SAS_END_DEV; rphy = sas_end_device_alloc(phy->port); /* FIXME: error handling */ @@ -1896,11 +1906,9 @@ int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, } /* no rphy means no smp target support (ie aic94xx host) */ - if (!rphy) { - printk("%s: can we send a smp request to a host?\n", - __FUNCTION__); - return -EINVAL; - } + if (!rphy) + return sas_smp_host_handler(shost, req, rsp); + type = rphy->identify.device_type; if (type != SAS_EDGE_EXPANDER_DEVICE && @@ -1926,6 +1934,15 @@ int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, ret = smp_execute_task(dev, bio_data(req->bio), req->data_len, bio_data(rsp->bio), rsp->data_len); + if (ret > 0) { + /* positive number is the untransferred residual */ + rsp->data_len = ret; + req->data_len = 0; + ret = 0; + } else if (ret == 0) { + rsp->data_len = 0; + req->data_len = 0; + } return ret; } diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c new file mode 100644 index 000000000000..16f93123271e --- /dev/null +++ b/drivers/scsi/libsas/sas_host_smp.c @@ -0,0 +1,274 @@ +/* + * Serial Attached SCSI (SAS) Expander discovery and configuration + * + * Copyright (C) 2007 James E.J. Bottomley + * <James.Bottomley@HansenPartnership.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 only. + */ +#include <linux/scatterlist.h> +#include <linux/blkdev.h> + +#include "sas_internal.h" + +#include <scsi/scsi_transport.h> +#include <scsi/scsi_transport_sas.h> +#include "../scsi_sas_internal.h" + +static void sas_host_smp_discover(struct sas_ha_struct *sas_ha, u8 *resp_data, + u8 phy_id) +{ + struct sas_phy *phy; + struct sas_rphy *rphy; + + if (phy_id >= sas_ha->num_phys) { + resp_data[2] = SMP_RESP_NO_PHY; + return; + } + resp_data[2] = SMP_RESP_FUNC_ACC; + + phy = sas_ha->sas_phy[phy_id]->phy; + resp_data[9] = phy_id; + resp_data[13] = phy->negotiated_linkrate; + memcpy(resp_data + 16, sas_ha->sas_addr, SAS_ADDR_SIZE); + memcpy(resp_data + 24, sas_ha->sas_phy[phy_id]->attached_sas_addr, + SAS_ADDR_SIZE); + resp_data[40] = (phy->minimum_linkrate << 4) | + phy->minimum_linkrate_hw; + resp_data[41] = (phy->maximum_linkrate << 4) | + phy->maximum_linkrate_hw; + + if (!sas_ha->sas_phy[phy_id]->port || + !sas_ha->sas_phy[phy_id]->port->port_dev) + return; + + rphy = sas_ha->sas_phy[phy_id]->port->port_dev->rphy; + resp_data[12] = rphy->identify.device_type << 4; + resp_data[14] = rphy->identify.initiator_port_protocols; + resp_data[15] = rphy->identify.target_port_protocols; +} + +static void sas_report_phy_sata(struct sas_ha_struct *sas_ha, u8 *resp_data, + u8 phy_id) +{ + struct sas_rphy *rphy; + struct dev_to_host_fis *fis; + int i; + + if (phy_id >= sas_ha->num_phys) { + resp_data[2] = SMP_RESP_NO_PHY; + return; + } + + resp_data[2] = SMP_RESP_PHY_NO_SATA; + + if (!sas_ha->sas_phy[phy_id]->port) + return; + + rphy = sas_ha->sas_phy[phy_id]->port->port_dev->rphy; + fis = (struct dev_to_host_fis *) + sas_ha->sas_phy[phy_id]->port->port_dev->frame_rcvd; + if (rphy->identify.target_port_protocols != SAS_PROTOCOL_SATA) + return; + + resp_data[2] = SMP_RESP_FUNC_ACC; + resp_data[9] = phy_id; + memcpy(resp_data + 16, sas_ha->sas_phy[phy_id]->attached_sas_addr, + SAS_ADDR_SIZE); + + /* check to see if we have a valid d2h fis */ + if (fis->fis_type != 0x34) + return; + + /* the d2h fis is required by the standard to be in LE format */ + for (i = 0; i < 20; i += 4) { + u8 *dst = resp_data + 24 + i, *src = + &sas_ha->sas_phy[phy_id]->port->port_dev->frame_rcvd[i]; + dst[0] = src[3]; + dst[1] = src[2]; + dst[2] = src[1]; + dst[3] = src[0]; + } +} + +static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id, + u8 phy_op, enum sas_linkrate min, + enum sas_linkrate max, u8 *resp_data) +{ + struct sas_internal *i = + to_sas_internal(sas_ha->core.shost->transportt); + struct sas_phy_linkrates rates; + + if (phy_id >= sas_ha->num_phys) { + resp_data[2] = SMP_RESP_NO_PHY; + return; + } + switch (phy_op) { + case PHY_FUNC_NOP: + case PHY_FUNC_LINK_RESET: + case PHY_FUNC_HARD_RESET: + case PHY_FUNC_DISABLE: + case PHY_FUNC_CLEAR_ERROR_LOG: + case PHY_FUNC_CLEAR_AFFIL: + case PHY_FUNC_TX_SATA_PS_SIGNAL: + break; + + default: + resp_data[2] = SMP_RESP_PHY_UNK_OP; + return; + } + + rates.minimum_linkrate = min; + rates.maximum_linkrate = max; + + if (i->dft->lldd_control_phy(sas_ha->sas_phy[phy_id], phy_op, &rates)) + resp_data[2] = SMP_RESP_FUNC_FAILED; + else + resp_data[2] = SMP_RESP_FUNC_ACC; +} + +int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, + struct request *rsp) +{ + u8 *req_data = NULL, *resp_data = NULL, *buf; + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + int error = -EINVAL, resp_data_len = rsp->data_len; + + /* eight is the minimum size for request and response frames */ + if (req->data_len < 8 || rsp->data_len < 8) + goto out; + + if (bio_offset(req->bio) + req->data_len > PAGE_SIZE || + bio_offset(rsp->bio) + rsp->data_len > PAGE_SIZE) { + shost_printk(KERN_ERR, shost, + "SMP request/response frame crosses page boundary"); + goto out; + } + + req_data = kzalloc(req->data_len, GFP_KERNEL); + + /* make sure frame can always be built ... we copy + * back only the requested length */ + resp_data = kzalloc(max(rsp->data_len, 128U), GFP_KERNEL); + + if (!req_data || !resp_data) { + error = -ENOMEM; + goto out; + } + + local_irq_disable(); + buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio); + memcpy(req_data, buf, req->data_len); + kunmap_atomic(buf - bio_offset(req->bio), KM_USER0); + local_irq_enable(); + + if (req_data[0] != SMP_REQUEST) + goto out; + + /* always succeeds ... even if we can't process the request + * the result is in the response frame */ + error = 0; + + /* set up default don't know response */ + resp_data[0] = SMP_RESPONSE; + resp_data[1] = req_data[1]; + resp_data[2] = SMP_RESP_FUNC_UNK; + + switch (req_data[1]) { + case SMP_REPORT_GENERAL: + req->data_len -= 8; + resp_data_len -= 32; + resp_data[2] = SMP_RESP_FUNC_ACC; + resp_data[9] = sas_ha->num_phys; + break; + + case SMP_REPORT_MANUF_INFO: + req->data_len -= 8; + resp_data_len -= 64; + resp_data[2] = SMP_RESP_FUNC_ACC; + memcpy(resp_data + 12, shost->hostt->name, + SAS_EXPANDER_VENDOR_ID_LEN); + memcpy(resp_data + 20, "libsas virt phy", + SAS_EXPANDER_PRODUCT_ID_LEN); + break; + + case SMP_READ_GPIO_REG: + /* FIXME: need GPIO support in the transport class */ + break; + + case SMP_DISCOVER: + req->data_len =- 16; + if (req->data_len < 0) { + req->data_len = 0; + error = -EINVAL; + goto out; + } + resp_data_len -= 56; + sas_host_smp_discover(sas_ha, resp_data, req_data[9]); + break; + + case SMP_REPORT_PHY_ERR_LOG: + /* FIXME: could implement this with additional + * libsas callbacks providing the HW supports it */ + break; + + case SMP_REPORT_PHY_SATA: + req->data_len =- 16; + if (req->data_len < 0) { + req->data_len = 0; + error = -EINVAL; + goto out; + } + resp_data_len -= 60; + sas_report_phy_sata(sas_ha, resp_data, req_data[9]); + break; + + case SMP_REPORT_ROUTE_INFO: + /* Can't implement; hosts have no routes */ + break; + + case SMP_WRITE_GPIO_REG: + /* FIXME: need GPIO support in the transport class */ + break; + + case SMP_CONF_ROUTE_INFO: + /* Can't implement; hosts have no routes */ + break; + + case SMP_PHY_CONTROL: + req->data_len =- 44; + if (req->data_len < 0) { + req->data_len = 0; + error = -EINVAL; + goto out; + } + resp_data_len -= 8; + sas_phy_control(sas_ha, req_data[9], req_data[10], + req_data[32] >> 4, req_data[33] >> 4, + resp_data); + break; + + case SMP_PHY_TEST_FUNCTION: + /* FIXME: should this be implemented? */ + break; + + default: + /* probably a 2.0 function */ + break; + } + + local_irq_disable(); + buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio); + memcpy(buf, resp_data, rsp->data_len); + flush_kernel_dcache_page(bio_page(rsp->bio)); + kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0); + local_irq_enable(); + rsp->data_len = resp_data_len; + + out: + kfree(req_data); + kfree(resp_data); + return error; +} diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 2b8213b1832d..b4f9368f116a 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -45,7 +45,7 @@ void sas_scsi_recover_host(struct Scsi_Host *shost); int sas_show_class(enum sas_class class, char *buf); -int sas_show_proto(enum sas_proto proto, char *buf); +int sas_show_proto(enum sas_protocol proto, char *buf); int sas_show_linkrate(enum sas_linkrate linkrate, char *buf); int sas_show_oob_mode(enum sas_oob_mode oob_mode, char *buf); @@ -80,6 +80,20 @@ struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); void sas_hae_reset(struct work_struct *work); +#ifdef CONFIG_SCSI_SAS_HOST_SMP +extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, + struct request *rsp); +#else +static inline int sas_smp_host_handler(struct Scsi_Host *shost, + struct request *req, + struct request *rsp) +{ + shost_printk(KERN_ERR, shost, + "Cannot send SMP to a sas host (not enabled in CONFIG)\n"); + return -EINVAL; +} +#endif + static inline void sas_queue_event(int event, spinlock_t *lock, unsigned long *pending, struct work_struct *work, diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index a3fdc57e2673..f869fba86807 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -108,7 +108,7 @@ static void sas_scsi_task_done(struct sas_task *task) break; case SAM_CHECK_COND: memcpy(sc->sense_buffer, ts->buf, - max(SCSI_SENSE_BUFFERSIZE, ts->buf_valid_size)); + min(SCSI_SENSE_BUFFERSIZE, ts->buf_valid_size)); stat = SAM_CHECK_COND; break; default: @@ -148,7 +148,6 @@ static struct sas_task *sas_create_task(struct scsi_cmnd *cmd, if (!task) return NULL; - *(u32 *)cmd->sense_buffer = 0; task->uldd_task = cmd; ASSIGN_SAS_TASK(cmd, task); @@ -200,6 +199,10 @@ int sas_queue_up(struct sas_task *task) */ int sas_queuecommand(struct scsi_cmnd *cmd, void (*scsi_done)(struct scsi_cmnd *)) + __releases(host->host_lock) + __acquires(dev->sata_dev.ap->lock) + __releases(dev->sata_dev.ap->lock) + __acquires(host->host_lock) { int res = 0; struct domain_device *dev = cmd_to_domain_dev(cmd); @@ -410,7 +413,7 @@ static int sas_recover_I_T(struct domain_device *dev) } /* Find the sas_phy that's attached to this device */ -struct sas_phy *find_local_sas_phy(struct domain_device *dev) +static struct sas_phy *find_local_sas_phy(struct domain_device *dev) { struct domain_device *pdev = dev->parent; struct ex_phy *exphy = NULL; diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c new file mode 100644 index 000000000000..594524d5bfa1 --- /dev/null +++ b/drivers/scsi/libsas/sas_task.c @@ -0,0 +1,36 @@ +#include <linux/kernel.h> +#include <scsi/sas.h> +#include <scsi/libsas.h> + +/* fill task_status_struct based on SSP response frame */ +void sas_ssp_task_response(struct device *dev, struct sas_task *task, + struct ssp_response_iu *iu) +{ + struct task_status_struct *tstat = &task->task_status; + + tstat->resp = SAS_TASK_COMPLETE; + + if (iu->datapres == 0) + tstat->stat = iu->status; + else if (iu->datapres == 1) + tstat->stat = iu->resp_data[3]; + else if (iu->datapres == 2) { + tstat->stat = SAM_CHECK_COND; + tstat->buf_valid_size = + min_t(int, SAS_STATUS_BUF_SIZE, + be32_to_cpu(iu->sense_data_len)); + memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size); + + if (iu->status != SAM_CHECK_COND) + dev_printk(KERN_WARNING, dev, + "dev %llx sent sense data, but " + "stat(%x) is not CHECK CONDITION\n", + SAS_ADDR(task->dev->sas_addr), + iu->status); + } + else + /* when datapres contains corrupt/unknown value... */ + tstat->stat = SAM_CHECK_COND; +} +EXPORT_SYMBOL_GPL(sas_ssp_task_response); + diff --git a/drivers/scsi/libsrp.c b/drivers/scsi/libsrp.c index 2ad0a27dbaab..5cff0204227d 100644 --- a/drivers/scsi/libsrp.c +++ b/drivers/scsi/libsrp.c @@ -192,18 +192,18 @@ static int srp_direct_data(struct scsi_cmnd *sc, struct srp_direct_buf *md, if (dma_map) { iue = (struct iu_entry *) sc->SCp.ptr; - sg = sc->request_buffer; + sg = scsi_sglist(sc); - dprintk("%p %u %u %d\n", iue, sc->request_bufflen, - md->len, sc->use_sg); + dprintk("%p %u %u %d\n", iue, scsi_bufflen(sc), + md->len, scsi_sg_count(sc)); - nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, + nsg = dma_map_sg(iue->target->dev, sg, scsi_sg_count(sc), DMA_BIDIRECTIONAL); if (!nsg) { - printk("fail to map %p %d\n", iue, sc->use_sg); + printk("fail to map %p %d\n", iue, scsi_sg_count(sc)); return 0; } - len = min(sc->request_bufflen, md->len); + len = min(scsi_bufflen(sc), md->len); } else len = md->len; @@ -229,10 +229,10 @@ static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, if (dma_map || ext_desc) { iue = (struct iu_entry *) sc->SCp.ptr; - sg = sc->request_buffer; + sg = scsi_sglist(sc); dprintk("%p %u %u %d %d\n", - iue, sc->request_bufflen, id->len, + iue, scsi_bufflen(sc), id->len, cmd->data_in_desc_cnt, cmd->data_out_desc_cnt); } @@ -268,13 +268,14 @@ static int srp_indirect_data(struct scsi_cmnd *sc, struct srp_cmd *cmd, rdma: if (dma_map) { - nsg = dma_map_sg(iue->target->dev, sg, sc->use_sg, DMA_BIDIRECTIONAL); + nsg = dma_map_sg(iue->target->dev, sg, scsi_sg_count(sc), + DMA_BIDIRECTIONAL); if (!nsg) { - eprintk("fail to map %p %d\n", iue, sc->use_sg); + eprintk("fail to map %p %d\n", iue, scsi_sg_count(sc)); err = -EIO; goto free_mem; } - len = min(sc->request_bufflen, id->len); + len = min(scsi_bufflen(sc), id->len); } else len = id->len; diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index ba3ecab9baf3..f26b9538affe 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -29,7 +29,8 @@ struct lpfc_sli2_slim; #define LPFC_MAX_NS_RETRY 3 /* Number of retry attempts to contact the NameServer before giving up. */ #define LPFC_CMD_PER_LUN 3 /* max outstanding cmds per lun */ -#define LPFC_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ +#define LPFC_DEFAULT_SG_SEG_CNT 64 /* sg element count per scsi cmnd */ +#define LPFC_MAX_SG_SEG_CNT 256 /* sg element count per scsi cmnd */ #define LPFC_IOCB_LIST_CNT 2250 /* list of IOCBs for fast-path usage. */ #define LPFC_Q_RAMP_UP_INTERVAL 120 /* lun q_depth ramp up interval */ @@ -68,6 +69,7 @@ struct lpfc_dmabuf { struct list_head list; void *virt; /* virtual address ptr */ dma_addr_t phys; /* mapped address */ + uint32_t buffer_tag; /* used for tagged queue ring */ }; struct lpfc_dma_pool { @@ -272,10 +274,16 @@ struct lpfc_vport { #define FC_ABORT_DISCOVERY 0x8000 /* we want to abort discovery */ #define FC_NDISC_ACTIVE 0x10000 /* NPort discovery active */ #define FC_BYPASSED_MODE 0x20000 /* NPort is in bypassed mode */ -#define FC_RFF_NOT_SUPPORTED 0x40000 /* RFF_ID was rejected by switch */ #define FC_VPORT_NEEDS_REG_VPI 0x80000 /* Needs to have its vpi registered */ #define FC_RSCN_DEFERRED 0x100000 /* A deferred RSCN being processed */ + uint32_t ct_flags; +#define FC_CT_RFF_ID 0x1 /* RFF_ID accepted by switch */ +#define FC_CT_RNN_ID 0x2 /* RNN_ID accepted by switch */ +#define FC_CT_RSNN_NN 0x4 /* RSNN_NN accepted by switch */ +#define FC_CT_RSPN_ID 0x8 /* RSPN_ID accepted by switch */ +#define FC_CT_RFT_ID 0x10 /* RFT_ID accepted by switch */ + struct list_head fc_nodes; /* Keep counters for the number of entries in each list. */ @@ -344,6 +352,7 @@ struct lpfc_vport { uint32_t cfg_discovery_threads; uint32_t cfg_log_verbose; uint32_t cfg_max_luns; + uint32_t cfg_enable_da_id; uint32_t dev_loss_tmo_changed; @@ -360,6 +369,7 @@ struct lpfc_vport { struct hbq_s { uint16_t entry_count; /* Current number of HBQ slots */ + uint16_t buffer_count; /* Current number of buffers posted */ uint32_t next_hbqPutIdx; /* Index to next HBQ slot to use */ uint32_t hbqPutIdx; /* HBQ slot to use */ uint32_t local_hbqGetIdx; /* Local copy of Get index from Port */ @@ -377,6 +387,11 @@ struct hbq_s { #define LPFC_ELS_HBQ 0 #define LPFC_EXTRA_HBQ 1 +enum hba_temp_state { + HBA_NORMAL_TEMP, + HBA_OVER_TEMP +}; + struct lpfc_hba { struct lpfc_sli sli; uint32_t sli_rev; /* SLI2 or SLI3 */ @@ -457,7 +472,8 @@ struct lpfc_hba { uint64_t cfg_soft_wwnn; uint64_t cfg_soft_wwpn; uint32_t cfg_hba_queue_depth; - + uint32_t cfg_enable_hba_reset; + uint32_t cfg_enable_hba_heartbeat; lpfc_vpd_t vpd; /* vital product data */ @@ -544,8 +560,7 @@ struct lpfc_hba { struct list_head port_list; struct lpfc_vport *pport; /* physical lpfc_vport pointer */ uint16_t max_vpi; /* Maximum virtual nports */ -#define LPFC_MAX_VPI 100 /* Max number of VPI supported */ -#define LPFC_MAX_VPORTS (LPFC_MAX_VPI+1)/* Max number of VPorts supported */ +#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */ unsigned long *vpi_bmask; /* vpi allocation table */ /* Data structure used by fabric iocb scheduler */ @@ -563,16 +578,30 @@ struct lpfc_hba { struct dentry *hba_debugfs_root; atomic_t debugfs_vport_count; struct dentry *debug_hbqinfo; - struct dentry *debug_dumpslim; + struct dentry *debug_dumpHostSlim; + struct dentry *debug_dumpHBASlim; struct dentry *debug_slow_ring_trc; struct lpfc_debugfs_trc *slow_ring_trc; atomic_t slow_ring_trc_cnt; #endif + /* Used for deferred freeing of ELS data buffers */ + struct list_head elsbuf; + int elsbuf_cnt; + int elsbuf_prev_cnt; + + uint8_t temp_sensor_support; /* Fields used for heart beat. */ unsigned long last_completion_time; struct timer_list hb_tmofunc; uint8_t hb_outstanding; + /* + * Following bit will be set for all buffer tags which are not + * associated with any HBQ. + */ +#define QUE_BUFTAG_BIT (1<<31) + uint32_t buffer_tag_count; + enum hba_temp_state over_temp_state; }; static inline struct Scsi_Host * @@ -598,5 +627,15 @@ lpfc_is_link_up(struct lpfc_hba *phba) phba->link_state == LPFC_HBA_READY; } -#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ +#define FC_REG_DUMP_EVENT 0x10 /* Register for Dump events */ +#define FC_REG_TEMPERATURE_EVENT 0x20 /* Register for temperature + event */ +struct temp_event { + uint32_t event_type; + uint32_t event_code; + uint32_t data; +}; +#define LPFC_CRIT_TEMP 0x1 +#define LPFC_THRESHOLD_TEMP 0x2 +#define LPFC_NORMAL_TEMP 0x3 diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 80a11218b9bb..4bae4a2ed2f1 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2007 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -45,6 +45,10 @@ #define LPFC_MIN_DEVLOSS_TMO 1 #define LPFC_MAX_DEVLOSS_TMO 255 +#define LPFC_MAX_LINK_SPEED 8 +#define LPFC_LINK_SPEED_BITMAP 0x00000117 +#define LPFC_LINK_SPEED_STRING "0, 1, 2, 4, 8" + static void lpfc_jedec_to_ascii(int incr, char hdw[]) { @@ -86,6 +90,15 @@ lpfc_serialnum_show(struct class_device *cdev, char *buf) } static ssize_t +lpfc_temp_sensor_show(struct class_device *cdev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; + struct lpfc_hba *phba = vport->phba; + return snprintf(buf, PAGE_SIZE, "%d\n",phba->temp_sensor_support); +} + +static ssize_t lpfc_modeldesc_show(struct class_device *cdev, char *buf) { struct Scsi_Host *shost = class_to_shost(cdev); @@ -178,12 +191,9 @@ lpfc_state_show(struct class_device *cdev, char *buf) case LPFC_LINK_UP: case LPFC_CLEAR_LA: case LPFC_HBA_READY: - len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - \n"); + len += snprintf(buf + len, PAGE_SIZE-len, "Link Up - "); switch (vport->port_state) { - len += snprintf(buf + len, PAGE_SIZE-len, - "initializing\n"); - break; case LPFC_LOCAL_CFG_LINK: len += snprintf(buf + len, PAGE_SIZE-len, "Configuring Link\n"); @@ -252,8 +262,7 @@ lpfc_issue_lip(struct Scsi_Host *shost) int mbxstatus = MBXERR_ERROR; if ((vport->fc_flag & FC_OFFLINE_MODE) || - (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) || - (vport->port_state != LPFC_VPORT_READY)) + (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) return -EPERM; pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); @@ -305,12 +314,14 @@ lpfc_do_offline(struct lpfc_hba *phba, uint32_t type) psli = &phba->sli; + /* Wait a little for things to settle down, but not + * long enough for dev loss timeout to expire. + */ for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; - /* The linkdown event takes 30 seconds to timeout. */ while (pring->txcmplq_cnt) { msleep(10); - if (cnt++ > 3000) { + if (cnt++ > 500) { /* 5 secs */ lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0466 Outstanding IO when " @@ -336,6 +347,9 @@ lpfc_selective_reset(struct lpfc_hba *phba) struct completion online_compl; int status = 0; + if (!phba->cfg_enable_hba_reset) + return -EIO; + status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); if (status != 0) @@ -409,6 +423,8 @@ lpfc_board_mode_store(struct class_device *cdev, const char *buf, size_t count) struct completion online_compl; int status=0; + if (!phba->cfg_enable_hba_reset) + return -EACCES; init_completion(&online_compl); if(strncmp(buf, "online", sizeof("online") - 1) == 0) { @@ -908,6 +924,8 @@ static CLASS_DEVICE_ATTR(used_rpi, S_IRUGO, lpfc_used_rpi_show, NULL); static CLASS_DEVICE_ATTR(max_xri, S_IRUGO, lpfc_max_xri_show, NULL); static CLASS_DEVICE_ATTR(used_xri, S_IRUGO, lpfc_used_xri_show, NULL); static CLASS_DEVICE_ATTR(npiv_info, S_IRUGO, lpfc_npiv_info_show, NULL); +static CLASS_DEVICE_ATTR(lpfc_temp_sensor, S_IRUGO, lpfc_temp_sensor_show, + NULL); static char *lpfc_soft_wwn_key = "C99G71SL8032A"; @@ -971,6 +989,14 @@ lpfc_soft_wwpn_store(struct class_device *cdev, const char *buf, size_t count) unsigned int i, j, cnt=count; u8 wwpn[8]; + if (!phba->cfg_enable_hba_reset) + return -EACCES; + spin_lock_irq(&phba->hbalock); + if (phba->over_temp_state == HBA_OVER_TEMP) { + spin_unlock_irq(&phba->hbalock); + return -EACCES; + } + spin_unlock_irq(&phba->hbalock); /* count may include a LF at end of string */ if (buf[cnt-1] == '\n') cnt--; @@ -1102,7 +1128,13 @@ MODULE_PARM_DESC(lpfc_sli_mode, "SLI mode selector:" " 2 - select SLI-2 even on SLI-3 capable HBAs," " 3 - select SLI-3"); -LPFC_ATTR_R(enable_npiv, 0, 0, 1, "Enable NPIV functionality"); +int lpfc_enable_npiv = 0; +module_param(lpfc_enable_npiv, int, 0); +MODULE_PARM_DESC(lpfc_enable_npiv, "Enable NPIV functionality"); +lpfc_param_show(enable_npiv); +lpfc_param_init(enable_npiv, 0, 0, 1); +static CLASS_DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO, + lpfc_enable_npiv_show, NULL); /* # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear @@ -1248,6 +1280,13 @@ LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffff, "Verbose logging bit-mask"); /* +# lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters +# objects that have been registered with the nameserver after login. +*/ +LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, + "Deregister nameserver objects before LOGO"); + +/* # lun_queue_depth: This parameter is used to limit the number of outstanding # commands per FCP LUN. Value range is [1,128]. Default value is 30. */ @@ -1369,7 +1408,33 @@ LPFC_VPORT_ATTR_R(scan_down, 1, 0, 1, # Set loop mode if you want to run as an NL_Port. Value range is [0,0x6]. # Default value is 0. */ -LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); +static int +lpfc_topology_set(struct lpfc_hba *phba, int val) +{ + int err; + uint32_t prev_val; + if (val >= 0 && val <= 6) { + prev_val = phba->cfg_topology; + phba->cfg_topology = val; + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); + if (err) + phba->cfg_topology = prev_val; + return err; + } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0467 lpfc_topology attribute cannot be set to %d, " + "allowed range is [0, 6]\n", + phba->brd_no, val); + return -EINVAL; +} +static int lpfc_topology = 0; +module_param(lpfc_topology, int, 0); +MODULE_PARM_DESC(lpfc_topology, "Select Fibre Channel topology"); +lpfc_param_show(topology) +lpfc_param_init(topology, 0, 0, 6) +lpfc_param_store(topology) +static CLASS_DEVICE_ATTR(lpfc_topology, S_IRUGO | S_IWUSR, + lpfc_topology_show, lpfc_topology_store); /* # lpfc_link_speed: Link speed selection for initializing the Fibre Channel @@ -1381,7 +1446,59 @@ LPFC_ATTR_RW(topology, 0, 0, 6, "Select Fibre Channel topology"); # 8 = 8 Gigabaud # Value range is [0,8]. Default value is 0. */ -LPFC_ATTR_R(link_speed, 0, 0, 8, "Select link speed"); +static int +lpfc_link_speed_set(struct lpfc_hba *phba, int val) +{ + int err; + uint32_t prev_val; + + if (((val == LINK_SPEED_1G) && !(phba->lmt & LMT_1Gb)) || + ((val == LINK_SPEED_2G) && !(phba->lmt & LMT_2Gb)) || + ((val == LINK_SPEED_4G) && !(phba->lmt & LMT_4Gb)) || + ((val == LINK_SPEED_8G) && !(phba->lmt & LMT_8Gb)) || + ((val == LINK_SPEED_10G) && !(phba->lmt & LMT_10Gb))) + return -EINVAL; + + if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { + prev_val = phba->cfg_link_speed; + phba->cfg_link_speed = val; + err = lpfc_issue_lip(lpfc_shost_from_vport(phba->pport)); + if (err) + phba->cfg_link_speed = prev_val; + return err; + } + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "%d:0469 lpfc_link_speed attribute cannot be set to %d, " + "allowed range is [0, 8]\n", + phba->brd_no, val); + return -EINVAL; +} + +static int lpfc_link_speed = 0; +module_param(lpfc_link_speed, int, 0); +MODULE_PARM_DESC(lpfc_link_speed, "Select link speed"); +lpfc_param_show(link_speed) +static int +lpfc_link_speed_init(struct lpfc_hba *phba, int val) +{ + if ((val >= 0 && val <= LPFC_MAX_LINK_SPEED) + && (LPFC_LINK_SPEED_BITMAP & (1 << val))) { + phba->cfg_link_speed = val; + return 0; + } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0454 lpfc_link_speed attribute cannot " + "be set to %d, allowed values are " + "["LPFC_LINK_SPEED_STRING"]\n", val); + phba->cfg_link_speed = 0; + return -EINVAL; +} + +lpfc_param_store(link_speed) +static CLASS_DEVICE_ATTR(lpfc_link_speed, S_IRUGO | S_IWUSR, + lpfc_link_speed_show, lpfc_link_speed_store); /* # lpfc_fcp_class: Determines FC class to use for the FCP protocol. @@ -1479,7 +1596,30 @@ LPFC_ATTR_RW(poll_tmo, 10, 1, 255, */ LPFC_ATTR_R(use_msi, 0, 0, 1, "Use Message Signaled Interrupts, if possible"); +/* +# lpfc_enable_hba_reset: Allow or prevent HBA resets to the hardware. +# 0 = HBA resets disabled +# 1 = HBA resets enabled (default) +# Value range is [0,1]. Default value is 1. +*/ +LPFC_ATTR_R(enable_hba_reset, 1, 0, 1, "Enable HBA resets from the driver."); + +/* +# lpfc_enable_hba_heartbeat: Enable HBA heartbeat timer.. +# 0 = HBA Heartbeat disabled +# 1 = HBA Heartbeat enabled (default) +# Value range is [0,1]. Default value is 1. +*/ +LPFC_ATTR_R(enable_hba_heartbeat, 1, 0, 1, "Enable HBA Heartbeat."); +/* + * lpfc_sg_seg_cnt: Initial Maximum DMA Segment Count + * This value can be set to values between 64 and 256. The default value is + * 64, but may be increased to allow for larger Max I/O sizes. The scsi layer + * will be allowed to request I/Os of sizes up to (MAX_SEG_COUNT * SEG_SIZE). + */ +LPFC_ATTR_R(sg_seg_cnt, LPFC_DEFAULT_SG_SEG_CNT, LPFC_DEFAULT_SG_SEG_CNT, + LPFC_MAX_SG_SEG_CNT, "Max Scatter Gather Segment Count"); struct class_device_attribute *lpfc_hba_attrs[] = { &class_device_attr_info, @@ -1494,6 +1634,7 @@ struct class_device_attribute *lpfc_hba_attrs[] = { &class_device_attr_state, &class_device_attr_num_discovered_ports, &class_device_attr_lpfc_drvr_version, + &class_device_attr_lpfc_temp_sensor, &class_device_attr_lpfc_log_verbose, &class_device_attr_lpfc_lun_queue_depth, &class_device_attr_lpfc_hba_queue_depth, @@ -1530,6 +1671,9 @@ struct class_device_attribute *lpfc_hba_attrs[] = { &class_device_attr_lpfc_soft_wwnn, &class_device_attr_lpfc_soft_wwpn, &class_device_attr_lpfc_soft_wwn_enable, + &class_device_attr_lpfc_enable_hba_reset, + &class_device_attr_lpfc_enable_hba_heartbeat, + &class_device_attr_lpfc_sg_seg_cnt, NULL, }; @@ -1552,6 +1696,7 @@ struct class_device_attribute *lpfc_vport_attrs[] = { &class_device_attr_lpfc_max_luns, &class_device_attr_nport_evt_cnt, &class_device_attr_npiv_info, + &class_device_attr_lpfc_enable_da_id, NULL, }; @@ -1727,13 +1872,18 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, spin_lock_irq(&phba->hbalock); + if (phba->over_temp_state == HBA_OVER_TEMP) { + sysfs_mbox_idle(phba); + spin_unlock_irq(&phba->hbalock); + return -EACCES; + } + if (off == 0 && phba->sysfs_mbox.state == SMBOX_WRITING && phba->sysfs_mbox.offset >= 2 * sizeof(uint32_t)) { switch (phba->sysfs_mbox.mbox->mb.mbxCommand) { /* Offline only */ - case MBX_WRITE_NV: case MBX_INIT_LINK: case MBX_DOWN_LINK: case MBX_CONFIG_LINK: @@ -1744,9 +1894,7 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, case MBX_DUMP_CONTEXT: case MBX_RUN_DIAGS: case MBX_RESTART: - case MBX_FLASH_WR_ULA: case MBX_SET_MASK: - case MBX_SET_SLIM: case MBX_SET_DEBUG: if (!(vport->fc_flag & FC_OFFLINE_MODE)) { printk(KERN_WARNING "mbox_read:Command 0x%x " @@ -1756,6 +1904,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, spin_unlock_irq(&phba->hbalock); return -EPERM; } + case MBX_WRITE_NV: + case MBX_WRITE_VPARMS: case MBX_LOAD_SM: case MBX_READ_NV: case MBX_READ_CONFIG: @@ -1772,6 +1922,8 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, case MBX_LOAD_EXP_ROM: case MBX_BEACON: case MBX_DEL_LD_ENTRY: + case MBX_SET_VARIABLE: + case MBX_WRITE_WWN: break; case MBX_READ_SPARM64: case MBX_READ_LA: @@ -1793,6 +1945,17 @@ sysfs_mbox_read(struct kobject *kobj, struct bin_attribute *bin_attr, return -EPERM; } + /* If HBA encountered an error attention, allow only DUMP + * mailbox command until the HBA is restarted. + */ + if ((phba->pport->stopped) && + (phba->sysfs_mbox.mbox->mb.mbxCommand + != MBX_DUMP_MEMORY)) { + sysfs_mbox_idle(phba); + spin_unlock_irq(&phba->hbalock); + return -EPERM; + } + phba->sysfs_mbox.mbox->vport = vport; if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { @@ -1993,7 +2156,8 @@ lpfc_get_host_speed(struct Scsi_Host *shost) fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; break; } - } + } else + fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN; spin_unlock_irq(shost->host_lock); } @@ -2013,7 +2177,7 @@ lpfc_get_host_fabric_name (struct Scsi_Host *shost) node_name = wwn_to_u64(phba->fc_fabparam.nodeName.u.wwn); else /* fabric is local port if there is no F/FL_Port */ - node_name = wwn_to_u64(vport->fc_nodename.u.wwn); + node_name = 0; spin_unlock_irq(shost->host_lock); @@ -2337,8 +2501,6 @@ struct fc_function_template lpfc_transport_functions = { .dev_loss_tmo_callbk = lpfc_dev_loss_tmo_callbk, .terminate_rport_io = lpfc_terminate_rport_io, - .vport_create = lpfc_vport_create, - .vport_delete = lpfc_vport_delete, .dd_fcvport_size = sizeof(struct lpfc_vport *), }; @@ -2414,21 +2576,23 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_poll_tmo_init(phba, lpfc_poll_tmo); lpfc_enable_npiv_init(phba, lpfc_enable_npiv); lpfc_use_msi_init(phba, lpfc_use_msi); + lpfc_enable_hba_reset_init(phba, lpfc_enable_hba_reset); + lpfc_enable_hba_heartbeat_init(phba, lpfc_enable_hba_heartbeat); phba->cfg_poll = lpfc_poll; phba->cfg_soft_wwnn = 0L; phba->cfg_soft_wwpn = 0L; - /* - * The total number of segments is the configuration value plus 2 - * since the IOCB need a command and response bde. - */ - phba->cfg_sg_seg_cnt = LPFC_SG_SEG_CNT + 2; + lpfc_sg_seg_cnt_init(phba, lpfc_sg_seg_cnt); + /* Also reinitialize the host templates with new values. */ + lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; /* * Since the sg_tablesize is module parameter, the sg_dma_buf_size - * used to create the sg_dma_buf_pool must be dynamically calculated + * used to create the sg_dma_buf_pool must be dynamically calculated. + * 2 segments are added since the IOCB needs a command and response bde. */ phba->cfg_sg_dma_buf_size = sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - (phba->cfg_sg_seg_cnt * sizeof(struct ulp_bde64)); + ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct ulp_bde64)); lpfc_hba_queue_depth_init(phba, lpfc_hba_queue_depth); return; } @@ -2448,5 +2612,6 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport) lpfc_discovery_threads_init(vport, lpfc_discovery_threads); lpfc_max_luns_init(vport, lpfc_max_luns); lpfc_scan_down_init(vport, lpfc_scan_down); + lpfc_enable_da_id_init(vport, lpfc_enable_da_id); return; } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index a599e1510710..50fcb7c930bc 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -23,6 +23,8 @@ typedef int (*node_filter)(struct lpfc_nodelist *ndlp, void *param); struct fc_rport; void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t); void lpfc_read_nv(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_config_async(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); + void lpfc_heart_beat(struct lpfc_hba *, LPFC_MBOXQ_t *); int lpfc_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, struct lpfc_dmabuf *mp); @@ -43,9 +45,9 @@ void lpfc_init_link(struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t, uint32_t); struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t); void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove); int lpfc_linkdown(struct lpfc_hba *); +void lpfc_port_link_failure(struct lpfc_vport *); void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *); -void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -66,15 +68,15 @@ int lpfc_check_sli_ndlp(struct lpfc_hba *, struct lpfc_sli_ring *, void lpfc_nlp_init(struct lpfc_vport *, struct lpfc_nodelist *, uint32_t); struct lpfc_nodelist *lpfc_nlp_get(struct lpfc_nodelist *); int lpfc_nlp_put(struct lpfc_nodelist *); +int lpfc_nlp_not_used(struct lpfc_nodelist *ndlp); struct lpfc_nodelist *lpfc_setup_disc_node(struct lpfc_vport *, uint32_t); void lpfc_disc_list_loopmap(struct lpfc_vport *); void lpfc_disc_start(struct lpfc_vport *); -void lpfc_disc_flush_list(struct lpfc_vport *); void lpfc_cleanup_discovery_resources(struct lpfc_vport *); +void lpfc_cleanup(struct lpfc_vport *); void lpfc_disc_timeout(unsigned long); struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t); -struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t); void lpfc_worker_wake_up(struct lpfc_hba *); int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t); @@ -82,17 +84,17 @@ int lpfc_do_work(void *); int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *, uint32_t); -void lpfc_register_new_vport(struct lpfc_hba *, struct lpfc_vport *, - struct lpfc_nodelist *); void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *); int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *, struct serv_parm *, uint32_t); int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *); +void lpfc_more_plogi(struct lpfc_vport *); +void lpfc_more_adisc(struct lpfc_vport *); +void lpfc_end_rscn(struct lpfc_vport *); int lpfc_els_chk_latt(struct lpfc_vport *); int lpfc_els_abort_flogi(struct lpfc_hba *); int lpfc_initial_flogi(struct lpfc_vport *); int lpfc_initial_fdisc(struct lpfc_vport *); -int lpfc_issue_els_fdisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); int lpfc_issue_els_plogi(struct lpfc_vport *, uint32_t, uint8_t); int lpfc_issue_els_prli(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); int lpfc_issue_els_adisc(struct lpfc_vport *, struct lpfc_nodelist *, uint8_t); @@ -112,7 +114,6 @@ int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *, void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *); void lpfc_els_retry_delay(unsigned long); void lpfc_els_retry_delay_handler(struct lpfc_nodelist *); -void lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *); void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *); int lpfc_els_handle_rscn(struct lpfc_vport *); @@ -124,7 +125,6 @@ int lpfc_els_disc_adisc(struct lpfc_vport *); int lpfc_els_disc_plogi(struct lpfc_vport *); void lpfc_els_timeout(unsigned long); void lpfc_els_timeout_handler(struct lpfc_vport *); -void lpfc_hb_timeout(unsigned long); void lpfc_hb_timeout_handler(struct lpfc_hba *); void lpfc_ct_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, @@ -142,7 +142,6 @@ void lpfc_hba_init(struct lpfc_hba *, uint32_t *); int lpfc_post_buffer(struct lpfc_hba *, struct lpfc_sli_ring *, int, int); void lpfc_decode_firmware_rev(struct lpfc_hba *, char *, int); int lpfc_online(struct lpfc_hba *); -void lpfc_block_mgmt_io(struct lpfc_hba *); void lpfc_unblock_mgmt_io(struct lpfc_hba *); void lpfc_offline_prep(struct lpfc_hba *); void lpfc_offline(struct lpfc_hba *); @@ -165,7 +164,6 @@ int lpfc_mbox_tmo_val(struct lpfc_hba *, int); void lpfc_config_hbq(struct lpfc_hba *, uint32_t, struct lpfc_hbq_init *, uint32_t , LPFC_MBOXQ_t *); -struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *, uint32_t); struct hbq_dmabuf *lpfc_els_hbq_alloc(struct lpfc_hba *); void lpfc_els_hbq_free(struct lpfc_hba *, struct hbq_dmabuf *); @@ -178,7 +176,6 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba); void lpfc_sli_poll_fcp_ring(struct lpfc_hba * hba); struct lpfc_iocbq * lpfc_sli_get_iocbq(struct lpfc_hba *); void lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); -void __lpfc_sli_release_iocbq(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); uint16_t lpfc_sli_next_iotag(struct lpfc_hba * phba, struct lpfc_iocbq * iocb); void lpfc_reset_barrier(struct lpfc_hba * phba); @@ -204,11 +201,14 @@ int lpfc_sli_ringpostbuf_put(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_dmabuf *lpfc_sli_ringpostbuf_get(struct lpfc_hba *, struct lpfc_sli_ring *, dma_addr_t); + +uint32_t lpfc_sli_get_buffer_tag(struct lpfc_hba *); +struct lpfc_dmabuf * lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *, + struct lpfc_sli_ring *, uint32_t ); + int lpfc_sli_hbq_count(void); -int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *, uint32_t); int lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *, uint32_t); void lpfc_sli_hbqbuf_free_all(struct lpfc_hba *); -struct hbq_dmabuf *lpfc_sli_hbqbuf_find(struct lpfc_hba *, uint32_t); int lpfc_sli_hbq_size(void); int lpfc_sli_issue_abort_iotag(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *); @@ -219,9 +219,6 @@ int lpfc_sli_abort_iocb(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t, void lpfc_mbox_timeout(unsigned long); void lpfc_mbox_timeout_handler(struct lpfc_hba *); -struct lpfc_nodelist *__lpfc_find_node(struct lpfc_vport *, node_filter, - void *); -struct lpfc_nodelist *lpfc_find_node(struct lpfc_vport *, node_filter, void *); struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t); struct lpfc_nodelist *lpfc_findnode_wwpn(struct lpfc_vport *, struct lpfc_name *); @@ -260,6 +257,7 @@ extern struct scsi_host_template lpfc_vport_template; extern struct fc_function_template lpfc_transport_functions; extern struct fc_function_template lpfc_vport_transport_functions; extern int lpfc_sli_mode; +extern int lpfc_enable_npiv; int lpfc_vport_symbolic_node_name(struct lpfc_vport *, char *, size_t); void lpfc_terminate_rport_io(struct fc_rport *); @@ -281,11 +279,8 @@ extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t, extern struct lpfc_hbq_init *lpfc_hbq_defs[]; /* Interface exported by fabric iocb scheduler */ -int lpfc_issue_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *); -void lpfc_fabric_abort_vport(struct lpfc_vport *); void lpfc_fabric_abort_nport(struct lpfc_nodelist *); void lpfc_fabric_abort_hba(struct lpfc_hba *); -void lpfc_fabric_abort_flogi(struct lpfc_hba *); void lpfc_fabric_block_timeout(unsigned long); void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); void lpfc_adjust_queue_depth(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index c701e4d611a9..92441ce610ed 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -19,7 +19,7 @@ *******************************************************************/ /* - * Fibre Channel SCSI LAN Device Driver CT support + * Fibre Channel SCSI LAN Device Driver CT support: FC Generic Services FC-GS */ #include <linux/blkdev.h> @@ -57,45 +57,27 @@ static char *lpfc_release_version = LPFC_DRIVER_VERSION; -/* - * lpfc_ct_unsol_event - */ static void -lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, - struct lpfc_dmabuf *mp, uint32_t size) +lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, + struct lpfc_dmabuf *mp, uint32_t size) { if (!mp) { - printk(KERN_ERR "%s (%d): Unsolited CT, no buffer, " - "piocbq = %p, status = x%x, mp = %p, size = %d\n", - __FUNCTION__, __LINE__, - piocbq, piocbq->iocb.ulpStatus, mp, size); + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0146 Ignoring unsolicted CT No HBQ " + "status = x%x\n", + piocbq->iocb.ulpStatus); } - - printk(KERN_ERR "%s (%d): Ignoring unsolicted CT piocbq = %p, " - "buffer = %p, size = %d, status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, mp, size, - piocbq->iocb.ulpStatus); - + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, + "0145 Ignoring unsolicted CT HBQ Size:%d " + "status = x%x\n", + size, piocbq->iocb.ulpStatus); } static void -lpfc_ct_ignore_hbq_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, - struct lpfc_dmabuf *mp, uint32_t size) +lpfc_ct_unsol_buffer(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, + struct lpfc_dmabuf *mp, uint32_t size) { - if (!mp) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "HBQ buffer, piocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, piocbq->iocb.ulpStatus); - } else { - lpfc_ct_unsol_buffer(phba, piocbq, mp, size); - printk(KERN_ERR "%s (%d): Ignoring unsolicted CT " - "piocbq = %p, buffer = %p, size = %d, " - "status = x%x\n", - __FUNCTION__, __LINE__, - piocbq, mp, size, piocbq->iocb.ulpStatus); - } + lpfc_ct_ignore_hbq_buffer(phba, piocbq, mp, size); } void @@ -109,11 +91,8 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *iocbq; dma_addr_t paddr; uint32_t size; - struct lpfc_dmabuf *bdeBuf1 = piocbq->context2; - struct lpfc_dmabuf *bdeBuf2 = piocbq->context3; - - piocbq->context2 = NULL; - piocbq->context3 = NULL; + struct list_head head; + struct lpfc_dmabuf *bdeBuf; if (unlikely(icmd->ulpStatus == IOSTAT_NEED_BUFFER)) { lpfc_sli_hbqbuf_add_hbqs(phba, LPFC_ELS_HBQ); @@ -122,7 +101,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* Not enough posted buffers; Try posting more buffers */ phba->fc_stat.NoRcvBuf++; if (!(phba->sli3_options & LPFC_SLI3_HBQ_ENABLED)) - lpfc_post_buffer(phba, pring, 0, 1); + lpfc_post_buffer(phba, pring, 2, 1); return; } @@ -133,38 +112,34 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { - list_for_each_entry(iocbq, &piocbq->list, list) { + INIT_LIST_HEAD(&head); + list_add_tail(&head, &piocbq->list); + list_for_each_entry(iocbq, &head, list) { icmd = &iocbq->iocb; - if (icmd->ulpBdeCount == 0) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "BDE, iocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - iocbq, iocbq->iocb.ulpStatus); + if (icmd->ulpBdeCount == 0) continue; - } - + bdeBuf = iocbq->context2; + iocbq->context2 = NULL; size = icmd->un.cont64[0].tus.f.bdeSize; - lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf1, size); - lpfc_in_buf_free(phba, bdeBuf1); + lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, size); + lpfc_in_buf_free(phba, bdeBuf); if (icmd->ulpBdeCount == 2) { - lpfc_ct_ignore_hbq_buffer(phba, piocbq, bdeBuf2, - size); - lpfc_in_buf_free(phba, bdeBuf2); + bdeBuf = iocbq->context3; + iocbq->context3 = NULL; + size = icmd->unsli3.rcvsli3.bde2.tus.f.bdeSize; + lpfc_ct_unsol_buffer(phba, piocbq, bdeBuf, + size); + lpfc_in_buf_free(phba, bdeBuf); } } + list_del(&head); } else { struct lpfc_iocbq *next; list_for_each_entry_safe(iocbq, next, &piocbq->list, list) { icmd = &iocbq->iocb; - if (icmd->ulpBdeCount == 0) { - printk(KERN_ERR "%s (%d): Unsolited CT, no " - "BDE, iocbq = %p, status = x%x\n", - __FUNCTION__, __LINE__, - iocbq, iocbq->iocb.ulpStatus); - continue; - } - + if (icmd->ulpBdeCount == 0) + lpfc_ct_unsol_buffer(phba, piocbq, NULL, 0); for (i = 0; i < icmd->ulpBdeCount; i++) { paddr = getPaddr(icmd->un.cont64[i].addrHigh, icmd->un.cont64[i].addrLow); @@ -176,6 +151,7 @@ lpfc_ct_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } list_del(&iocbq->list); lpfc_sli_release_iocbq(phba, iocbq); + lpfc_post_buffer(phba, pring, i, 1); } } } @@ -203,7 +179,7 @@ lpfc_alloc_ct_rsp(struct lpfc_hba *phba, int cmdcode, struct ulp_bde64 *bpl, struct lpfc_dmabuf *mp; int cnt, i = 0; - /* We get chucks of FCELSSIZE */ + /* We get chunks of FCELSSIZE */ cnt = size > FCELSSIZE ? FCELSSIZE: size; while (size) { @@ -426,6 +402,7 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size) lpfc_set_disctmo(vport); vport->num_disc_nodes = 0; + vport->fc_ns_retry = 0; list_add_tail(&head, &mp->list); @@ -458,7 +435,7 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size) ((lpfc_find_vport_by_did(phba, Did) == NULL) || vport->cfg_peer_port_login)) { if ((vport->port_type != LPFC_NPIV_PORT) || - (vport->fc_flag & FC_RFF_NOT_SUPPORTED) || + (!(vport->ct_flags & FC_CT_RFF_ID)) || (!vport->cfg_restrict_login)) { ndlp = lpfc_setup_disc_node(vport, Did); if (ndlp) { @@ -506,7 +483,17 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size) Did, vport->fc_flag, vport->fc_rscn_id_cnt); - if (lpfc_ns_cmd(vport, + /* This NPortID was previously + * a FCP target, * Don't even + * bother to send GFF_ID. + */ + ndlp = lpfc_findnode_did(vport, + Did); + if (ndlp && (ndlp->nlp_type & + NLP_FCP_TARGET)) + lpfc_setup_disc_node + (vport, Did); + else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, 0, Did) == 0) vport->num_disc_nodes++; @@ -554,7 +541,7 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_dmabuf *outp; struct lpfc_sli_ct_request *CTrsp; struct lpfc_nodelist *ndlp; - int rc; + int rc, retry; /* First save ndlp, before we overwrite it */ ndlp = cmdiocb->context_un.ndlp; @@ -574,7 +561,6 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (vport->load_flag & FC_UNLOADING) goto out; - if (lpfc_els_chk_latt(vport) || lpfc_error_lost_link(irsp)) { lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, "0216 Link event during NS query\n"); @@ -585,14 +571,35 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (irsp->ulpStatus) { /* Check for retry */ if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) { - if ((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || - (irsp->un.ulpWord[4] != IOERR_NO_RESOURCES)) + retry = 1; + if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { + switch (irsp->un.ulpWord[4]) { + case IOERR_NO_RESOURCES: + /* We don't increment the retry + * count for this case. + */ + break; + case IOERR_LINK_DOWN: + case IOERR_SLI_ABORTED: + case IOERR_SLI_DOWN: + retry = 0; + break; + default: + vport->fc_ns_retry++; + } + } + else vport->fc_ns_retry++; - /* CT command is being retried */ - rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, + + if (retry) { + /* CT command is being retried */ + rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, vport->fc_ns_retry, 0); - if (rc == 0) - goto out; + if (rc == 0) { + /* success */ + goto out; + } + } } lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, @@ -698,7 +705,7 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *) cmdiocb->context1; struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *) cmdiocb->context2; struct lpfc_sli_ct_request *CTrsp; - int did; + int did, rc, retry; uint8_t fbits; struct lpfc_nodelist *ndlp; @@ -729,6 +736,39 @@ lpfc_cmpl_ct_cmd_gff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } } else { + /* Check for retry */ + if (cmdiocb->retry < LPFC_MAX_NS_RETRY) { + retry = 1; + if (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) { + switch (irsp->un.ulpWord[4]) { + case IOERR_NO_RESOURCES: + /* We don't increment the retry + * count for this case. + */ + break; + case IOERR_LINK_DOWN: + case IOERR_SLI_ABORTED: + case IOERR_SLI_DOWN: + retry = 0; + break; + default: + cmdiocb->retry++; + } + } + else + cmdiocb->retry++; + + if (retry) { + /* CT command is being retried */ + rc = lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID, + cmdiocb->retry, did); + if (rc == 0) { + /* success */ + lpfc_ct_free_iocb(phba, cmdiocb); + return; + } + } + } lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0267 NameServer GFF Rsp " "x%x Error (%d %d) Data: x%x x%x\n", @@ -778,8 +818,8 @@ out: static void -lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, - struct lpfc_iocbq *rspiocb) +lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) { struct lpfc_vport *vport = cmdiocb->vport; struct lpfc_dmabuf *inp; @@ -809,7 +849,7 @@ lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* RFT request completes status <ulpStatus> CmdRsp <CmdRsp> */ lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY, - "0209 RFT request completes, latt %d, " + "0209 CT Request completes, latt %d, " "ulpStatus x%x CmdRsp x%x, Context x%x, Tag x%x\n", latt, irsp->ulpStatus, CTrsp->CommandResponse.bits.CmdRsp, @@ -848,10 +888,44 @@ out: } static void +lpfc_cmpl_ct_cmd_rft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + IOCB_t *irsp = &rspiocb->iocb; + struct lpfc_vport *vport = cmdiocb->vport; + + if (irsp->ulpStatus == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) + vport->ct_flags |= FC_CT_RFT_ID; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); + return; +} + +static void lpfc_cmpl_ct_cmd_rnn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + IOCB_t *irsp = &rspiocb->iocb; + struct lpfc_vport *vport = cmdiocb->vport; + + if (irsp->ulpStatus == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) + vport->ct_flags |= FC_CT_RNN_ID; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } @@ -859,7 +933,20 @@ static void lpfc_cmpl_ct_cmd_rspn_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + IOCB_t *irsp = &rspiocb->iocb; + struct lpfc_vport *vport = cmdiocb->vport; + + if (irsp->ulpStatus == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) + vport->ct_flags |= FC_CT_RSPN_ID; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } @@ -867,7 +954,32 @@ static void lpfc_cmpl_ct_cmd_rsnn_nn(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) { - lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + IOCB_t *irsp = &rspiocb->iocb; + struct lpfc_vport *vport = cmdiocb->vport; + + if (irsp->ulpStatus == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; + + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) + vport->ct_flags |= FC_CT_RSNN_NN; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); + return; +} + +static void +lpfc_cmpl_ct_cmd_da_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_vport *vport = cmdiocb->vport; + + /* even if it fails we will act as though it succeeded. */ + vport->ct_flags = 0; + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } @@ -878,10 +990,17 @@ lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, IOCB_t *irsp = &rspiocb->iocb; struct lpfc_vport *vport = cmdiocb->vport; - if (irsp->ulpStatus != IOSTAT_SUCCESS) - vport->fc_flag |= FC_RFF_NOT_SUPPORTED; + if (irsp->ulpStatus == IOSTAT_SUCCESS) { + struct lpfc_dmabuf *outp; + struct lpfc_sli_ct_request *CTrsp; - lpfc_cmpl_ct_cmd_rft_id(phba, cmdiocb, rspiocb); + outp = (struct lpfc_dmabuf *) cmdiocb->context2; + CTrsp = (struct lpfc_sli_ct_request *) outp->virt; + if (CTrsp->CommandResponse.bits.CmdRsp == + be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) + vport->ct_flags |= FC_CT_RFF_ID; + } + lpfc_cmpl_ct(phba, cmdiocb, rspiocb); return; } @@ -1001,6 +1120,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, bpl->tus.f.bdeSize = RSPN_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RSNN_NN) bpl->tus.f.bdeSize = RSNN_REQUEST_SZ; + else if (cmdcode == SLI_CTNS_DA_ID) + bpl->tus.f.bdeSize = DA_ID_REQUEST_SZ; else if (cmdcode == SLI_CTNS_RFF_ID) bpl->tus.f.bdeSize = RFF_REQUEST_SZ; else @@ -1029,31 +1150,34 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, case SLI_CTNS_GFF_ID: CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_GFF_ID); - CtReq->un.gff.PortId = be32_to_cpu(context); + CtReq->un.gff.PortId = cpu_to_be32(context); cmpl = lpfc_cmpl_ct_cmd_gff_id; break; case SLI_CTNS_RFT_ID: + vport->ct_flags &= ~FC_CT_RFT_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RFT_ID); - CtReq->un.rft.PortId = be32_to_cpu(vport->fc_myDID); + CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID); CtReq->un.rft.fcpReg = 1; cmpl = lpfc_cmpl_ct_cmd_rft_id; break; case SLI_CTNS_RNN_ID: + vport->ct_flags &= ~FC_CT_RNN_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RNN_ID); - CtReq->un.rnn.PortId = be32_to_cpu(vport->fc_myDID); + CtReq->un.rnn.PortId = cpu_to_be32(vport->fc_myDID); memcpy(CtReq->un.rnn.wwnn, &vport->fc_nodename, sizeof (struct lpfc_name)); cmpl = lpfc_cmpl_ct_cmd_rnn_id; break; case SLI_CTNS_RSPN_ID: + vport->ct_flags &= ~FC_CT_RSPN_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RSPN_ID); - CtReq->un.rspn.PortId = be32_to_cpu(vport->fc_myDID); + CtReq->un.rspn.PortId = cpu_to_be32(vport->fc_myDID); size = sizeof(CtReq->un.rspn.symbname); CtReq->un.rspn.len = lpfc_vport_symbolic_port_name(vport, @@ -1061,6 +1185,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, cmpl = lpfc_cmpl_ct_cmd_rspn_id; break; case SLI_CTNS_RSNN_NN: + vport->ct_flags &= ~FC_CT_RSNN_NN; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RSNN_NN); memcpy(CtReq->un.rsnn.wwnn, &vport->fc_nodename, @@ -1071,11 +1196,18 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, CtReq->un.rsnn.symbname, size); cmpl = lpfc_cmpl_ct_cmd_rsnn_nn; break; + case SLI_CTNS_DA_ID: + /* Implement DA_ID Nameserver request */ + CtReq->CommandResponse.bits.CmdRsp = + be16_to_cpu(SLI_CTNS_DA_ID); + CtReq->un.da_id.port_id = cpu_to_be32(vport->fc_myDID); + cmpl = lpfc_cmpl_ct_cmd_da_id; + break; case SLI_CTNS_RFF_ID: - vport->fc_flag &= ~FC_RFF_NOT_SUPPORTED; + vport->ct_flags &= ~FC_CT_RFF_ID; CtReq->CommandResponse.bits.CmdRsp = be16_to_cpu(SLI_CTNS_RFF_ID); - CtReq->un.rff.PortId = be32_to_cpu(vport->fc_myDID);; + CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);; CtReq->un.rff.fbits = FC4_FEATURE_INIT; CtReq->un.rff.type_code = FC_FCP_DATA; cmpl = lpfc_cmpl_ct_cmd_rff_id; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index d6a98bc970ff..783d1eea13ef 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -43,6 +43,7 @@ #include "lpfc_crtn.h" #include "lpfc_vport.h" #include "lpfc_version.h" +#include "lpfc_compat.h" #include "lpfc_debugfs.h" #ifdef CONFIG_LPFC_DEBUG_FS @@ -75,18 +76,18 @@ module_param(lpfc_debugfs_enable, int, 0); MODULE_PARM_DESC(lpfc_debugfs_enable, "Enable debugfs services"); /* This MUST be a power of 2 */ -static int lpfc_debugfs_max_disc_trc = 0; +static int lpfc_debugfs_max_disc_trc; module_param(lpfc_debugfs_max_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_disc_trc, "Set debugfs discovery trace depth"); /* This MUST be a power of 2 */ -static int lpfc_debugfs_max_slow_ring_trc = 0; +static int lpfc_debugfs_max_slow_ring_trc; module_param(lpfc_debugfs_max_slow_ring_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_max_slow_ring_trc, "Set debugfs slow ring trace depth"); -static int lpfc_debugfs_mask_disc_trc = 0; +int lpfc_debugfs_mask_disc_trc; module_param(lpfc_debugfs_mask_disc_trc, int, 0); MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, "Set debugfs discovery trace mask"); @@ -100,8 +101,11 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, #define LPFC_NODELIST_SIZE 8192 #define LPFC_NODELIST_ENTRY_SIZE 120 -/* dumpslim output buffer size */ -#define LPFC_DUMPSLIM_SIZE 4096 +/* dumpHBASlim output buffer size */ +#define LPFC_DUMPHBASLIM_SIZE 4096 + +/* dumpHostSlim output buffer size */ +#define LPFC_DUMPHOSTSLIM_SIZE 4096 /* hbqinfo output buffer size */ #define LPFC_HBQINFO_SIZE 8192 @@ -243,16 +247,17 @@ lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) raw_index = phba->hbq_get[i]; getidx = le32_to_cpu(raw_index); len += snprintf(buf+len, size-len, - "entrys:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", - hbqs->entry_count, hbqs->hbqPutIdx, hbqs->next_hbqPutIdx, - hbqs->local_hbqGetIdx, getidx); + "entrys:%d bufcnt:%d Put:%d nPut:%d localGet:%d hbaGet:%d\n", + hbqs->entry_count, hbqs->buffer_count, hbqs->hbqPutIdx, + hbqs->next_hbqPutIdx, hbqs->local_hbqGetIdx, getidx); hbqe = (struct lpfc_hbq_entry *) phba->hbqs[i].hbq_virt; for (j=0; j<hbqs->entry_count; j++) { len += snprintf(buf+len, size-len, "%03d: %08x %04x %05x ", j, - hbqe->bde.addrLow, hbqe->bde.tus.w, hbqe->buffer_tag); - + le32_to_cpu(hbqe->bde.addrLow), + le32_to_cpu(hbqe->bde.tus.w), + le32_to_cpu(hbqe->buffer_tag)); i = 0; found = 0; @@ -276,7 +281,7 @@ lpfc_debugfs_hbqinfo_data(struct lpfc_hba *phba, char *buf, int size) list_for_each_entry(d_buf, &hbqs->hbq_buffer_list, list) { hbq_buf = container_of(d_buf, struct hbq_dmabuf, dbuf); phys = ((uint64_t)hbq_buf->dbuf.phys & 0xffffffff); - if (phys == hbqe->bde.addrLow) { + if (phys == le32_to_cpu(hbqe->bde.addrLow)) { len += snprintf(buf+len, size-len, "Buf%d: %p %06x\n", i, hbq_buf->dbuf.virt, hbq_buf->tag); @@ -297,18 +302,58 @@ skipit: return len; } +static int lpfc_debugfs_last_hba_slim_off; + +static int +lpfc_debugfs_dumpHBASlim_data(struct lpfc_hba *phba, char *buf, int size) +{ + int len = 0; + int i, off; + uint32_t *ptr; + char buffer[1024]; + + off = 0; + spin_lock_irq(&phba->hbalock); + + len += snprintf(buf+len, size-len, "HBA SLIM\n"); + lpfc_memcpy_from_slim(buffer, + ((uint8_t *)phba->MBslimaddr) + lpfc_debugfs_last_hba_slim_off, + 1024); + + ptr = (uint32_t *)&buffer[0]; + off = lpfc_debugfs_last_hba_slim_off; + + /* Set it up for the next time */ + lpfc_debugfs_last_hba_slim_off += 1024; + if (lpfc_debugfs_last_hba_slim_off >= 4096) + lpfc_debugfs_last_hba_slim_off = 0; + + i = 1024; + while (i > 0) { + len += snprintf(buf+len, size-len, + "%08x: %08x %08x %08x %08x %08x %08x %08x %08x\n", + off, *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), + *(ptr+5), *(ptr+6), *(ptr+7)); + ptr += 8; + i -= (8 * sizeof(uint32_t)); + off += (8 * sizeof(uint32_t)); + } + + spin_unlock_irq(&phba->hbalock); + return len; +} + static int -lpfc_debugfs_dumpslim_data(struct lpfc_hba *phba, char *buf, int size) +lpfc_debugfs_dumpHostSlim_data(struct lpfc_hba *phba, char *buf, int size) { int len = 0; - int cnt, i, off; + int i, off; uint32_t word0, word1, word2, word3; uint32_t *ptr; struct lpfc_pgp *pgpp; struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; - cnt = LPFC_DUMPSLIM_SIZE; off = 0; spin_lock_irq(&phba->hbalock); @@ -620,7 +665,34 @@ out: } static int -lpfc_debugfs_dumpslim_open(struct inode *inode, struct file *file) +lpfc_debugfs_dumpHBASlim_open(struct inode *inode, struct file *file) +{ + struct lpfc_hba *phba = inode->i_private; + struct lpfc_debug *debug; + int rc = -ENOMEM; + + debug = kmalloc(sizeof(*debug), GFP_KERNEL); + if (!debug) + goto out; + + /* Round to page boundry */ + debug->buffer = kmalloc(LPFC_DUMPHBASLIM_SIZE, GFP_KERNEL); + if (!debug->buffer) { + kfree(debug); + goto out; + } + + debug->len = lpfc_debugfs_dumpHBASlim_data(phba, debug->buffer, + LPFC_DUMPHBASLIM_SIZE); + file->private_data = debug; + + rc = 0; +out: + return rc; +} + +static int +lpfc_debugfs_dumpHostSlim_open(struct inode *inode, struct file *file) { struct lpfc_hba *phba = inode->i_private; struct lpfc_debug *debug; @@ -631,14 +703,14 @@ lpfc_debugfs_dumpslim_open(struct inode *inode, struct file *file) goto out; /* Round to page boundry */ - debug->buffer = kmalloc(LPFC_DUMPSLIM_SIZE, GFP_KERNEL); + debug->buffer = kmalloc(LPFC_DUMPHOSTSLIM_SIZE, GFP_KERNEL); if (!debug->buffer) { kfree(debug); goto out; } - debug->len = lpfc_debugfs_dumpslim_data(phba, debug->buffer, - LPFC_DUMPSLIM_SIZE); + debug->len = lpfc_debugfs_dumpHostSlim_data(phba, debug->buffer, + LPFC_DUMPHOSTSLIM_SIZE); file->private_data = debug; rc = 0; @@ -741,10 +813,19 @@ static struct file_operations lpfc_debugfs_op_hbqinfo = { .release = lpfc_debugfs_release, }; -#undef lpfc_debugfs_op_dumpslim -static struct file_operations lpfc_debugfs_op_dumpslim = { +#undef lpfc_debugfs_op_dumpHBASlim +static struct file_operations lpfc_debugfs_op_dumpHBASlim = { + .owner = THIS_MODULE, + .open = lpfc_debugfs_dumpHBASlim_open, + .llseek = lpfc_debugfs_lseek, + .read = lpfc_debugfs_read, + .release = lpfc_debugfs_release, +}; + +#undef lpfc_debugfs_op_dumpHostSlim +static struct file_operations lpfc_debugfs_op_dumpHostSlim = { .owner = THIS_MODULE, - .open = lpfc_debugfs_dumpslim_open, + .open = lpfc_debugfs_dumpHostSlim_open, .llseek = lpfc_debugfs_lseek, .read = lpfc_debugfs_read, .release = lpfc_debugfs_release, @@ -812,15 +893,27 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) goto debug_failed; } - /* Setup dumpslim */ - snprintf(name, sizeof(name), "dumpslim"); - phba->debug_dumpslim = + /* Setup dumpHBASlim */ + snprintf(name, sizeof(name), "dumpHBASlim"); + phba->debug_dumpHBASlim = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dumpHBASlim); + if (!phba->debug_dumpHBASlim) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0409 Cannot create debugfs dumpHBASlim\n"); + goto debug_failed; + } + + /* Setup dumpHostSlim */ + snprintf(name, sizeof(name), "dumpHostSlim"); + phba->debug_dumpHostSlim = debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, phba->hba_debugfs_root, - phba, &lpfc_debugfs_op_dumpslim); - if (!phba->debug_dumpslim) { + phba, &lpfc_debugfs_op_dumpHostSlim); + if (!phba->debug_dumpHostSlim) { lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, - "0409 Cannot create debugfs dumpslim\n"); + "0409 Cannot create debugfs dumpHostSlim\n"); goto debug_failed; } @@ -970,9 +1063,13 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) debugfs_remove(phba->debug_hbqinfo); /* hbqinfo */ phba->debug_hbqinfo = NULL; } - if (phba->debug_dumpslim) { - debugfs_remove(phba->debug_dumpslim); /* dumpslim */ - phba->debug_dumpslim = NULL; + if (phba->debug_dumpHBASlim) { + debugfs_remove(phba->debug_dumpHBASlim); /* HBASlim */ + phba->debug_dumpHBASlim = NULL; + } + if (phba->debug_dumpHostSlim) { + debugfs_remove(phba->debug_dumpHostSlim); /* HostSlim */ + phba->debug_dumpHostSlim = NULL; } if (phba->slow_ring_trc) { kfree(phba->slow_ring_trc); diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index aacac9ac5381..cfe81c50529a 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -36,7 +36,6 @@ enum lpfc_work_type { LPFC_EVT_WARM_START, LPFC_EVT_KILL, LPFC_EVT_ELS_RETRY, - LPFC_EVT_DEV_LOSS_DELAY, LPFC_EVT_DEV_LOSS, }; @@ -92,6 +91,7 @@ struct lpfc_nodelist { #define NLP_LOGO_SND 0x100 /* sent LOGO request for this entry */ #define NLP_RNID_SND 0x400 /* sent RNID request for this entry */ #define NLP_ELS_SND_MASK 0x7e0 /* sent ELS request for this entry */ +#define NLP_DEFER_RM 0x10000 /* Remove this ndlp if no longer used */ #define NLP_DELAY_TMO 0x20000 /* delay timeout is running for node */ #define NLP_NPR_2B_DISC 0x40000 /* node is included in num_disc_nodes */ #define NLP_RCV_PLOGI 0x80000 /* Rcv'ed PLOGI from remote system */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 8085900635d4..c6b739dc6bc3 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -18,7 +18,7 @@ * more details, a copy of which can be found in the file COPYING * * included with this package. * *******************************************************************/ - +/* See Fibre Channel protocol T11 FC-LS for details */ #include <linux/blkdev.h> #include <linux/pci.h> #include <linux/interrupt.h> @@ -42,6 +42,14 @@ static int lpfc_els_retry(struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); static void lpfc_cmpl_fabric_iocb(struct lpfc_hba *, struct lpfc_iocbq *, struct lpfc_iocbq *); +static void lpfc_fabric_abort_vport(struct lpfc_vport *vport); +static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, uint8_t retry); +static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, + struct lpfc_iocbq *iocb); +static void lpfc_register_new_vport(struct lpfc_hba *phba, + struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp); static int lpfc_max_els_tries = 3; @@ -109,14 +117,11 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, /* fill in BDEs for command */ /* Allocate buffer for command payload */ - if (((pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL)) == 0) || - ((pcmd->virt = lpfc_mbuf_alloc(phba, - MEM_PRI, &(pcmd->phys))) == 0)) { - kfree(pcmd); - - lpfc_sli_release_iocbq(phba, elsiocb); - return NULL; - } + pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + if (pcmd) + pcmd->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pcmd->phys); + if (!pcmd || !pcmd->virt) + goto els_iocb_free_pcmb_exit; INIT_LIST_HEAD(&pcmd->list); @@ -126,13 +131,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, if (prsp) prsp->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &prsp->phys); - if (prsp == 0 || prsp->virt == 0) { - kfree(prsp); - lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); - kfree(pcmd); - lpfc_sli_release_iocbq(phba, elsiocb); - return NULL; - } + if (!prsp || !prsp->virt) + goto els_iocb_free_prsp_exit; INIT_LIST_HEAD(&prsp->list); } else { prsp = NULL; @@ -143,15 +143,8 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, if (pbuflist) pbuflist->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &pbuflist->phys); - if (pbuflist == 0 || pbuflist->virt == 0) { - lpfc_sli_release_iocbq(phba, elsiocb); - lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); - lpfc_mbuf_free(phba, prsp->virt, prsp->phys); - kfree(pcmd); - kfree(prsp); - kfree(pbuflist); - return NULL; - } + if (!pbuflist || !pbuflist->virt) + goto els_iocb_free_pbuf_exit; INIT_LIST_HEAD(&pbuflist->list); @@ -196,7 +189,10 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, bpl->tus.w = le32_to_cpu(bpl->tus.w); } + /* prevent preparing iocb with NULL ndlp reference */ elsiocb->context1 = lpfc_nlp_get(ndlp); + if (!elsiocb->context1) + goto els_iocb_free_pbuf_exit; elsiocb->context2 = pcmd; elsiocb->context3 = pbuflist; elsiocb->retry = retry; @@ -222,8 +218,20 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp, cmdSize); } return elsiocb; -} +els_iocb_free_pbuf_exit: + lpfc_mbuf_free(phba, prsp->virt, prsp->phys); + kfree(pbuflist); + +els_iocb_free_prsp_exit: + lpfc_mbuf_free(phba, pcmd->virt, pcmd->phys); + kfree(prsp); + +els_iocb_free_pcmb_exit: + kfree(pcmd); + lpfc_sli_release_iocbq(phba, elsiocb); + return NULL; +} static int lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) @@ -234,40 +242,53 @@ lpfc_issue_fabric_reglogin(struct lpfc_vport *vport) struct lpfc_nodelist *ndlp; struct serv_parm *sp; int rc; + int err = 0; sp = &phba->fc_fabparam; ndlp = lpfc_findnode_did(vport, Fabric_DID); - if (!ndlp) + if (!ndlp) { + err = 1; goto fail; + } mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mbox) + if (!mbox) { + err = 2; goto fail; + } vport->port_state = LPFC_FABRIC_CFG_LINK; lpfc_config_link(phba, mbox); mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); - if (rc == MBX_NOT_FINISHED) + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + err = 3; goto fail_free_mbox; + } mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!mbox) + if (!mbox) { + err = 4; goto fail; + } rc = lpfc_reg_login(phba, vport->vpi, Fabric_DID, (uint8_t *)sp, mbox, 0); - if (rc) + if (rc) { + err = 5; goto fail_free_mbox; + } mbox->mbox_cmpl = lpfc_mbx_cmpl_fabric_reg_login; mbox->vport = vport; mbox->context2 = lpfc_nlp_get(ndlp); - rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT | MBX_STOP_IOCB); - if (rc == MBX_NOT_FINISHED) + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + err = 6; goto fail_issue_reg_login; + } return 0; @@ -282,7 +303,7 @@ fail_free_mbox: fail: lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0249 Cannot issue Register Fabric login\n"); + "0249 Cannot issue Register Fabric login: Err %d\n", err); return -ENXIO; } @@ -370,11 +391,12 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, } if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) { lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } } - ndlp->nlp_sid = irsp->un.ulpWord[4] & Mask_DID; lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED && @@ -429,8 +451,7 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, - MBX_NOWAIT | MBX_STOP_IOCB); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { mempool_free(mbox, phba->mbox_mem_pool); goto fail; @@ -463,6 +484,9 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_nlp_put(ndlp); } + /* If we are pt2pt with another NPort, force NPIV off! */ + phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED; + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_PT2PT; spin_unlock_irq(shost->host_lock); @@ -488,6 +512,9 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, /* Check to see if link went down during discovery */ if (lpfc_els_chk_latt(vport)) { + /* One additional decrement on node reference count to + * trigger the release of the node + */ lpfc_nlp_put(ndlp); goto out; } @@ -562,8 +589,13 @@ flogifail: /* Start discovery */ lpfc_disc_start(vport); + } else if (((irsp->ulpStatus != IOSTAT_LOCAL_REJECT) || + ((irsp->un.ulpWord[4] != IOERR_SLI_ABORTED) && + (irsp->un.ulpWord[4] != IOERR_SLI_DOWN))) && + (phba->link_state != LPFC_CLEAR_LA)) { + /* If FLOGI failed enable link interrupt. */ + lpfc_issue_clear_la(phba, vport); } - out: lpfc_els_free_iocb(phba, cmdiocb); } @@ -685,6 +717,9 @@ lpfc_initial_flogi(struct lpfc_vport *vport) struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp; + vport->port_state = LPFC_FLOGI; + lpfc_set_disctmo(vport); + /* First look for the Fabric ndlp */ ndlp = lpfc_findnode_did(vport, Fabric_DID); if (!ndlp) { @@ -696,7 +731,11 @@ lpfc_initial_flogi(struct lpfc_vport *vport) } else { lpfc_dequeue_node(vport, ndlp); } + if (lpfc_issue_els_flogi(vport, ndlp, 0)) { + /* This decrement of reference count to node shall kick off + * the release of the node. + */ lpfc_nlp_put(ndlp); } return 1; @@ -720,11 +759,16 @@ lpfc_initial_fdisc(struct lpfc_vport *vport) lpfc_dequeue_node(vport, ndlp); } if (lpfc_issue_els_fdisc(vport, ndlp, 0)) { + /* decrement node reference count to trigger the release of + * the node. + */ lpfc_nlp_put(ndlp); + return 0; } return 1; } -static void + +void lpfc_more_plogi(struct lpfc_vport *vport) { int sentplogi; @@ -752,6 +796,8 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, { struct lpfc_vport *vport = ndlp->vport; struct lpfc_nodelist *new_ndlp; + struct lpfc_rport_data *rdata; + struct fc_rport *rport; struct serv_parm *sp; uint8_t name[sizeof(struct lpfc_name)]; uint32_t rc; @@ -788,11 +834,34 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, lpfc_unreg_rpi(vport, new_ndlp); new_ndlp->nlp_DID = ndlp->nlp_DID; new_ndlp->nlp_prev_state = ndlp->nlp_prev_state; + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) + new_ndlp->nlp_flag |= NLP_NPR_2B_DISC; + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state); /* Move this back to NPR state */ - if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) + if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) { + /* The new_ndlp is replacing ndlp totally, so we need + * to put ndlp on UNUSED list and try to free it. + */ + + /* Fix up the rport accordingly */ + rport = ndlp->rport; + if (rport) { + rdata = rport->dd_data; + if (rdata->pnode == ndlp) { + lpfc_nlp_put(ndlp); + ndlp->rport = NULL; + rdata->pnode = lpfc_nlp_get(new_ndlp); + new_ndlp->rport = rport; + } + new_ndlp->nlp_type = ndlp->nlp_type; + } + lpfc_drop_node(vport, ndlp); + } else { lpfc_unreg_rpi(vport, ndlp); ndlp->nlp_DID = 0; /* Two ndlps cannot have the same did */ @@ -801,6 +870,27 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, return new_ndlp; } +void +lpfc_end_rscn(struct lpfc_vport *vport) +{ + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + + if (vport->fc_flag & FC_RSCN_MODE) { + /* + * Check to see if more RSCNs came in while we were + * processing this one. + */ + if (vport->fc_rscn_id_cnt || + (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) + lpfc_els_handle_rscn(vport); + else { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_RSCN_MODE; + spin_unlock_irq(shost->host_lock); + } + } +} + static void lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_iocbq *rspiocb) @@ -871,13 +961,6 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; } /* PLOGI failed */ - if (ndlp->nlp_DID == NameServer_DID) { - lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0250 Nameserver login error: " - "0x%x / 0x%x\n", - irsp->ulpStatus, irsp->un.ulpWord[4]); - } /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if (lpfc_error_lost_link(irsp)) { rc = NLP_STE_FREED_NODE; @@ -905,20 +988,7 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, spin_unlock_irq(shost->host_lock); lpfc_can_disctmo(vport); - if (vport->fc_flag & FC_RSCN_MODE) { - /* - * Check to see if more RSCNs came in while - * we were processing this one. - */ - if ((vport->fc_rscn_id_cnt == 0) && - (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); - } else { - lpfc_els_handle_rscn(vport); - } - } + lpfc_end_rscn(vport); } } @@ -933,6 +1003,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) struct lpfc_hba *phba = vport->phba; struct serv_parm *sp; IOCB_t *icmd; + struct lpfc_nodelist *ndlp; struct lpfc_iocbq *elsiocb; struct lpfc_sli_ring *pring; struct lpfc_sli *psli; @@ -943,8 +1014,11 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; /* ELS ring */ + ndlp = lpfc_findnode_did(vport, did); + /* If ndlp if not NULL, we will bump the reference count on it */ + cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); - elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, NULL, did, + elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, ELS_CMD_PLOGI); if (!elsiocb) return 1; @@ -1109,7 +1183,7 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return 0; } -static void +void lpfc_more_adisc(struct lpfc_vport *vport) { int sentadisc; @@ -1134,8 +1208,6 @@ lpfc_more_adisc(struct lpfc_vport *vport) static void lpfc_rscn_disc(struct lpfc_vport *vport) { - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - lpfc_can_disctmo(vport); /* RSCN discovery */ @@ -1144,19 +1216,7 @@ lpfc_rscn_disc(struct lpfc_vport *vport) if (lpfc_els_disc_plogi(vport)) return; - if (vport->fc_flag & FC_RSCN_MODE) { - /* Check to see if more RSCNs came in while we were - * processing this one. - */ - if ((vport->fc_rscn_id_cnt == 0) && - (!(vport->fc_flag & FC_RSCN_DISCOVERY))) { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); - } else { - lpfc_els_handle_rscn(vport); - } - } + lpfc_end_rscn(vport); } static void @@ -1413,6 +1473,13 @@ lpfc_issue_els_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, psli = &phba->sli; pring = &psli->ring[LPFC_ELS_RING]; + spin_lock_irq(shost->host_lock); + if (ndlp->nlp_flag & NLP_LOGO_SND) { + spin_unlock_irq(shost->host_lock); + return 0; + } + spin_unlock_irq(shost->host_lock); + cmdsize = (2 * sizeof(uint32_t)) + sizeof(struct lpfc_name); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_LOGO); @@ -1499,6 +1566,9 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) ndlp->nlp_DID, ELS_CMD_SCR); if (!elsiocb) { + /* This will trigger the release of the node just + * allocated + */ lpfc_nlp_put(ndlp); return 1; } @@ -1520,10 +1590,17 @@ lpfc_issue_els_scr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) phba->fc_stat.elsXmitSCR++; elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + /* The additional lpfc_nlp_put will cause the following + * lpfc_els_free_iocb routine to trigger the rlease of + * the node. + */ lpfc_nlp_put(ndlp); lpfc_els_free_iocb(phba, elsiocb); return 1; } + /* This will cause the callback-function lpfc_cmpl_els_cmd to + * trigger the release of node. + */ lpfc_nlp_put(ndlp); return 0; } @@ -1555,6 +1632,9 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_RNID); if (!elsiocb) { + /* This will trigger the release of the node just + * allocated + */ lpfc_nlp_put(ndlp); return 1; } @@ -1591,35 +1671,21 @@ lpfc_issue_els_farpr(struct lpfc_vport *vport, uint32_t nportid, uint8_t retry) phba->fc_stat.elsXmitFARPR++; elsiocb->iocb_cmpl = lpfc_cmpl_els_cmd; if (lpfc_sli_issue_iocb(phba, pring, elsiocb, 0) == IOCB_ERROR) { + /* The additional lpfc_nlp_put will cause the following + * lpfc_els_free_iocb routine to trigger the release of + * the node. + */ lpfc_nlp_put(ndlp); lpfc_els_free_iocb(phba, elsiocb); return 1; } + /* This will cause the callback-function lpfc_cmpl_els_cmd to + * trigger the release of the node. + */ lpfc_nlp_put(ndlp); return 0; } -static void -lpfc_end_rscn(struct lpfc_vport *vport) -{ - struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - - if (vport->fc_flag & FC_RSCN_MODE) { - /* - * Check to see if more RSCNs came in while we were - * processing this one. - */ - if (vport->fc_rscn_id_cnt || - (vport->fc_flag & FC_RSCN_DISCOVERY) != 0) - lpfc_els_handle_rscn(vport); - else { - spin_lock_irq(shost->host_lock); - vport->fc_flag &= ~FC_RSCN_MODE; - spin_unlock_irq(shost->host_lock); - } - } -} - void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) { @@ -1675,7 +1741,10 @@ lpfc_els_retry_delay(unsigned long ptr) return; } - evtp->evt_arg1 = ndlp; + /* We need to hold the node by incrementing the reference + * count until the queued work is done + */ + evtp->evt_arg1 = lpfc_nlp_get(ndlp); evtp->evt = LPFC_EVT_ELS_RETRY; list_add_tail(&evtp->evt_listp, &phba->work_list); if (phba->work_wait) @@ -1759,6 +1828,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, uint32_t *elscmd; struct ls_rjt stat; int retry = 0, maxretry = lpfc_max_els_tries, delay = 0; + int logerr = 0; uint32_t cmd = 0; uint32_t did; @@ -1815,6 +1885,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, break; case IOERR_NO_RESOURCES: + logerr = 1; /* HBA out of resources */ retry = 1; if (cmdiocb->retry > 100) delay = 100; @@ -1843,6 +1914,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, case IOSTAT_NPORT_BSY: case IOSTAT_FABRIC_BSY: + logerr = 1; /* Fabric / Remote NPort out of resources */ retry = 1; break; @@ -1923,6 +1995,15 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (did == FDMI_DID) retry = 1; + if ((cmd == ELS_CMD_FLOGI) && + (phba->fc_topology != TOPOLOGY_LOOP)) { + /* FLOGI retry policy */ + retry = 1; + maxretry = 48; + if (cmdiocb->retry >= 32) + delay = 1000; + } + if ((++cmdiocb->retry) >= maxretry) { phba->fc_stat.elsRetryExceeded++; retry = 0; @@ -2006,11 +2087,46 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } } /* No retry ELS command <elsCmd> to remote NPORT <did> */ - lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + if (logerr) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0137 No retry ELS command x%x to remote " + "NPORT x%x: Out of Resources: Error:x%x/%x\n", + cmd, did, irsp->ulpStatus, + irsp->un.ulpWord[4]); + } + else { + lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS, "0108 No retry ELS command x%x to remote " "NPORT x%x Retried:%d Error:x%x/%x\n", cmd, did, cmdiocb->retry, irsp->ulpStatus, irsp->un.ulpWord[4]); + } + return 0; +} + +static int +lpfc_els_free_data(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr1) +{ + struct lpfc_dmabuf *buf_ptr; + + /* Free the response before processing the command. */ + if (!list_empty(&buf_ptr1->list)) { + list_remove_head(&buf_ptr1->list, buf_ptr, + struct lpfc_dmabuf, + list); + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); + kfree(buf_ptr1); + return 0; +} + +static int +lpfc_els_free_bpl(struct lpfc_hba *phba, struct lpfc_dmabuf *buf_ptr) +{ + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); return 0; } @@ -2018,30 +2134,63 @@ int lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb) { struct lpfc_dmabuf *buf_ptr, *buf_ptr1; + struct lpfc_nodelist *ndlp; - if (elsiocb->context1) { - lpfc_nlp_put(elsiocb->context1); + ndlp = (struct lpfc_nodelist *)elsiocb->context1; + if (ndlp) { + if (ndlp->nlp_flag & NLP_DEFER_RM) { + lpfc_nlp_put(ndlp); + + /* If the ndlp is not being used by another discovery + * thread, free it. + */ + if (!lpfc_nlp_not_used(ndlp)) { + /* If ndlp is being used by another discovery + * thread, just clear NLP_DEFER_RM + */ + ndlp->nlp_flag &= ~NLP_DEFER_RM; + } + } + else + lpfc_nlp_put(ndlp); elsiocb->context1 = NULL; } /* context2 = cmd, context2->next = rsp, context3 = bpl */ if (elsiocb->context2) { - buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; - /* Free the response before processing the command. */ - if (!list_empty(&buf_ptr1->list)) { - list_remove_head(&buf_ptr1->list, buf_ptr, - struct lpfc_dmabuf, - list); - lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); - kfree(buf_ptr); + if (elsiocb->iocb_flag & LPFC_DELAY_MEM_FREE) { + /* Firmware could still be in progress of DMAing + * payload, so don't free data buffer till after + * a hbeat. + */ + elsiocb->iocb_flag &= ~LPFC_DELAY_MEM_FREE; + buf_ptr = elsiocb->context2; + elsiocb->context2 = NULL; + if (buf_ptr) { + buf_ptr1 = NULL; + spin_lock_irq(&phba->hbalock); + if (!list_empty(&buf_ptr->list)) { + list_remove_head(&buf_ptr->list, + buf_ptr1, struct lpfc_dmabuf, + list); + INIT_LIST_HEAD(&buf_ptr1->list); + list_add_tail(&buf_ptr1->list, + &phba->elsbuf); + phba->elsbuf_cnt++; + } + INIT_LIST_HEAD(&buf_ptr->list); + list_add_tail(&buf_ptr->list, &phba->elsbuf); + phba->elsbuf_cnt++; + spin_unlock_irq(&phba->hbalock); + } + } else { + buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2; + lpfc_els_free_data(phba, buf_ptr1); } - lpfc_mbuf_free(phba, buf_ptr1->virt, buf_ptr1->phys); - kfree(buf_ptr1); } if (elsiocb->context3) { buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3; - lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); - kfree(buf_ptr); + lpfc_els_free_bpl(phba, buf_ptr); } lpfc_sli_release_iocbq(phba, elsiocb); return 0; @@ -2065,15 +2214,20 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "Data: x%x x%x x%x\n", ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - switch (ndlp->nlp_state) { - case NLP_STE_UNUSED_NODE: /* node is just allocated */ - lpfc_drop_node(vport, ndlp); - break; - case NLP_STE_NPR_NODE: /* NPort Recovery mode */ - lpfc_unreg_rpi(vport, ndlp); - break; - default: - break; + + if (ndlp->nlp_state == NLP_STE_NPR_NODE) { + /* NPort Recovery mode or node is just allocated */ + if (!lpfc_nlp_not_used(ndlp)) { + /* If the ndlp is being used by another discovery + * thread, just unregister the RPI. + */ + lpfc_unreg_rpi(vport, ndlp); + } else { + /* Indicate the node has already released, should + * not reference to it from within lpfc_els_free_iocb. + */ + cmdiocb->context1 = NULL; + } } lpfc_els_free_iocb(phba, cmdiocb); return; @@ -2089,7 +2243,14 @@ lpfc_mbx_cmpl_dflt_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free(pmb, phba->mbox_mem_pool); - lpfc_nlp_put(ndlp); + if (ndlp) { + lpfc_nlp_put(ndlp); + /* This is the end of the default RPI cleanup logic for this + * ndlp. If no other discovery threads are using this ndlp. + * we should free all resources associated with it. + */ + lpfc_nlp_not_used(ndlp); + } return; } @@ -2100,15 +2261,29 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) cmdiocb->context1; struct lpfc_vport *vport = ndlp ? ndlp->vport : NULL; struct Scsi_Host *shost = vport ? lpfc_shost_from_vport(vport) : NULL; - IOCB_t *irsp; + IOCB_t *irsp; + uint8_t *pcmd; LPFC_MBOXQ_t *mbox = NULL; struct lpfc_dmabuf *mp = NULL; + uint32_t ls_rjt = 0; irsp = &rspiocb->iocb; if (cmdiocb->context_un.mbox) mbox = cmdiocb->context_un.mbox; + /* First determine if this is a LS_RJT cmpl. Note, this callback + * function can have cmdiocb->contest1 (ndlp) field set to NULL. + */ + pcmd = (uint8_t *) (((struct lpfc_dmabuf *) cmdiocb->context2)->virt); + if (ndlp && (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) { + /* A LS_RJT associated with Default RPI cleanup has its own + * seperate code path. + */ + if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI)) + ls_rjt = 1; + } + /* Check to see if link went down during discovery */ if (!ndlp || lpfc_els_chk_latt(vport)) { if (mbox) { @@ -2119,6 +2294,15 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } mempool_free(mbox, phba->mbox_mem_pool); } + if (ndlp && (ndlp->nlp_flag & NLP_RM_DFLT_RPI)) + if (lpfc_nlp_not_used(ndlp)) { + ndlp = NULL; + /* Indicate the node has already released, + * should not reference to it from within + * the routine lpfc_els_free_iocb. + */ + cmdiocb->context1 = NULL; + } goto out; } @@ -2150,20 +2334,39 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); } - if (lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)) + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) != MBX_NOT_FINISHED) { goto out; } - lpfc_nlp_put(ndlp); - /* NOTE: we should have messages for unsuccessful - reglogin */ + + /* ELS rsp: Cannot issue reg_login for <NPortid> */ + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0138 ELS rsp: Cannot issue reg_login for x%x " + "Data: x%x x%x x%x\n", + ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, + ndlp->nlp_rpi); + + if (lpfc_nlp_not_used(ndlp)) { + ndlp = NULL; + /* Indicate node has already been released, + * should not reference to it from within + * the routine lpfc_els_free_iocb. + */ + cmdiocb->context1 = NULL; + } } else { /* Do not drop node for lpfc_els_abort'ed ELS cmds */ if (!lpfc_error_lost_link(irsp) && ndlp->nlp_flag & NLP_ACC_REGLOGIN) { - lpfc_drop_node(vport, ndlp); - ndlp = NULL; + if (lpfc_nlp_not_used(ndlp)) { + ndlp = NULL; + /* Indicate node has already been + * released, should not reference + * to it from within the routine + * lpfc_els_free_iocb. + */ + cmdiocb->context1 = NULL; + } } } mp = (struct lpfc_dmabuf *) mbox->context1; @@ -2178,7 +2381,21 @@ out: spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~(NLP_ACC_REGLOGIN | NLP_RM_DFLT_RPI); spin_unlock_irq(shost->host_lock); + + /* If the node is not being used by another discovery thread, + * and we are sending a reject, we are done with it. + * Release driver reference count here and free associated + * resources. + */ + if (ls_rjt) + if (lpfc_nlp_not_used(ndlp)) + /* Indicate node has already been released, + * should not reference to it from within + * the routine lpfc_els_free_iocb. + */ + cmdiocb->context1 = NULL; } + lpfc_els_free_iocb(phba, cmdiocb); return; } @@ -2349,14 +2566,6 @@ lpfc_els_rsp_reject(struct lpfc_vport *vport, uint32_t rejectError, elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; rc = lpfc_sli_issue_iocb(phba, pring, elsiocb, 0); - /* If the node is in the UNUSED state, and we are sending - * a reject, we are done with it. Release driver reference - * count here. The outstanding els will release its reference on - * completion and the node can be freed then. - */ - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) - lpfc_nlp_put(ndlp); - if (rc == IOCB_ERROR) { lpfc_els_free_iocb(phba, elsiocb); return 1; @@ -2642,7 +2851,10 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport) } } } - if (sentplogi == 0) { + if (sentplogi) { + lpfc_set_disctmo(vport); + } + else { spin_lock_irq(shost->host_lock); vport->fc_flag &= ~FC_NLP_MORE; spin_unlock_irq(shost->host_lock); @@ -2830,10 +3042,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, "RCV RSCN defer: did:x%x/ste:x%x flg:x%x", ndlp->nlp_DID, vport->port_state, ndlp->nlp_flag); + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_RSCN_DEFERRED; if ((rscn_cnt < FC_MAX_HOLD_RSCN) && !(vport->fc_flag & FC_RSCN_DISCOVERY)) { - spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_RSCN_MODE; spin_unlock_irq(shost->host_lock); if (rscn_cnt) { @@ -2862,7 +3074,6 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, vport->fc_rscn_id_cnt, vport->fc_flag, vport->port_state); } else { - spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_RSCN_DISCOVERY; spin_unlock_irq(shost->host_lock); /* ReDiscovery RSCN */ @@ -2877,7 +3088,9 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, /* send RECOVERY event for ALL nodes that match RSCN payload */ lpfc_rscn_recovery_check(vport); + spin_lock_irq(shost->host_lock); vport->fc_flag &= ~FC_RSCN_DEFERRED; + spin_unlock_irq(shost->host_lock); return 0; } @@ -2929,6 +3142,8 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport) /* To process RSCN, first compare RSCN data with NameServer */ vport->fc_ns_retry = 0; + vport->num_disc_nodes = 0; + ndlp = lpfc_findnode_did(vport, NameServer_DID); if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) { /* Good ndlp, issue CT Request to NameServer */ @@ -3022,8 +3237,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, mbox->mb.un.varInitLnk.lipsr_AL_PA = 0; mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->vport = vport; - rc = lpfc_sli_issue_mbox - (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); lpfc_set_loopback_flag(phba); if (rc == MBX_NOT_FINISHED) { mempool_free(mbox, phba->mbox_mem_pool); @@ -3140,7 +3354,10 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize, lpfc_max_els_tries, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); + + /* Decrement the ndlp reference count from previous mbox command */ lpfc_nlp_put(ndlp); + if (!elsiocb) return; @@ -3160,13 +3377,13 @@ lpfc_els_rsp_rps_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) status |= 0x4; rps_rsp->rsvd1 = 0; - rps_rsp->portStatus = be16_to_cpu(status); - rps_rsp->linkFailureCnt = be32_to_cpu(mb->un.varRdLnk.linkFailureCnt); - rps_rsp->lossSyncCnt = be32_to_cpu(mb->un.varRdLnk.lossSyncCnt); - rps_rsp->lossSignalCnt = be32_to_cpu(mb->un.varRdLnk.lossSignalCnt); - rps_rsp->primSeqErrCnt = be32_to_cpu(mb->un.varRdLnk.primSeqErrCnt); - rps_rsp->invalidXmitWord = be32_to_cpu(mb->un.varRdLnk.invalidXmitWord); - rps_rsp->crcCnt = be32_to_cpu(mb->un.varRdLnk.crcCnt); + rps_rsp->portStatus = cpu_to_be16(status); + rps_rsp->linkFailureCnt = cpu_to_be32(mb->un.varRdLnk.linkFailureCnt); + rps_rsp->lossSyncCnt = cpu_to_be32(mb->un.varRdLnk.lossSyncCnt); + rps_rsp->lossSignalCnt = cpu_to_be32(mb->un.varRdLnk.lossSignalCnt); + rps_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt); + rps_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord); + rps_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt); /* Xmit ELS RPS ACC response tag <ulpIoTag> */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS, "0118 Xmit ELS RPS ACC response tag x%x xri x%x, " @@ -3223,11 +3440,13 @@ lpfc_els_rcv_rps(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, mbox->context2 = lpfc_nlp_get(ndlp); mbox->vport = vport; mbox->mbox_cmpl = lpfc_els_rsp_rps_acc; - if (lpfc_sli_issue_mbox (phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)) != MBX_NOT_FINISHED) + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) + != MBX_NOT_FINISHED) /* Mbox completion will send ELS Response */ return 0; - + /* Decrement reference count used for the failed mbox + * command. + */ lpfc_nlp_put(ndlp); mempool_free(mbox, phba->mbox_mem_pool); } @@ -3461,6 +3680,7 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * other NLP_FABRIC logins */ lpfc_drop_node(vport, ndlp); + } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { /* Fail outstanding I/O now since this * device is marked for PLOGI @@ -3469,8 +3689,6 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, } } - vport->port_state = LPFC_FLOGI; - lpfc_set_disctmo(vport); lpfc_initial_flogi(vport); return 0; } @@ -3711,6 +3929,7 @@ static void lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_vport *vport, struct lpfc_iocbq *elsiocb) { + struct Scsi_Host *shost; struct lpfc_nodelist *ndlp; struct ls_rjt stat; uint32_t *payload; @@ -3750,11 +3969,19 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, goto dropit; lpfc_nlp_init(vport, ndlp, did); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); newnode = 1; if ((did & Fabric_DID_MASK) == Fabric_DID_MASK) { ndlp->nlp_type |= NLP_FABRIC; } - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); + } + else { + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { + /* This is simular to the new node path */ + lpfc_nlp_get(ndlp); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); + newnode = 1; + } } phba->fc_stat.elsRcvFrame++; @@ -3783,6 +4010,12 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, rjt_err = LSRJT_UNABLE_TPC; break; } + + shost = lpfc_shost_from_vport(vport); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_TARGET_REMOVE; + spin_unlock_irq(shost->host_lock); + lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PLOGI); @@ -3795,7 +4028,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvFLOGI++; lpfc_els_rcv_flogi(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; case ELS_CMD_LOGO: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3825,7 +4058,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvRSCN++; lpfc_els_rcv_rscn(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; case ELS_CMD_ADISC: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3897,7 +4130,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvLIRR++; lpfc_els_rcv_lirr(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; case ELS_CMD_RPS: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3907,7 +4140,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvRPS++; lpfc_els_rcv_rps(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; case ELS_CMD_RPL: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3917,7 +4150,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvRPL++; lpfc_els_rcv_rpl(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; case ELS_CMD_RNID: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3927,7 +4160,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, phba->fc_stat.elsRcvRNID++; lpfc_els_rcv_rnid(vport, elsiocb, ndlp); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; default: lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL, @@ -3942,7 +4175,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, "0115 Unknown ELS command x%x " "received from NPORT x%x\n", cmd, did); if (newnode) - lpfc_drop_node(vport, ndlp); + lpfc_nlp_put(ndlp); break; } @@ -3958,10 +4191,11 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return; dropit: - lpfc_printf_log(phba, KERN_ERR, LOG_ELS, + if (vport && !(vport->load_flag & FC_UNLOADING)) + lpfc_printf_log(phba, KERN_ERR, LOG_ELS, "(%d):0111 Dropping received ELS cmd " "Data: x%x x%x x%x\n", - vport ? vport->vpi : 0xffff, icmd->ulpStatus, + vport->vpi, icmd->ulpStatus, icmd->un.ulpWord[4], icmd->ulpTimeout); phba->fc_stat.elsRcvDrop++; } @@ -4114,8 +4348,9 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) pmb->context2; MAILBOX_t *mb = &pmb->mb; + spin_lock_irq(shost->host_lock); vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; - lpfc_nlp_put(ndlp); + spin_unlock_irq(shost->host_lock); if (mb->mbxStatus) { lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, @@ -4135,7 +4370,9 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) default: /* Try to recover from this error */ lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); lpfc_initial_fdisc(vport); break; } @@ -4146,14 +4383,21 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) else lpfc_do_scr_ns_plogi(phba, vport); } + + /* Now, we decrement the ndlp reference count held for this + * callback function + */ + lpfc_nlp_put(ndlp); + mempool_free(pmb, phba->mbox_mem_pool); return; } -void +static void lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); LPFC_MBOXQ_t *mbox; mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); @@ -4162,25 +4406,31 @@ lpfc_register_new_vport(struct lpfc_hba *phba, struct lpfc_vport *vport, mbox->vport = vport; mbox->context2 = lpfc_nlp_get(ndlp); mbox->mbox_cmpl = lpfc_cmpl_reg_new_vport; - if (lpfc_sli_issue_mbox(phba, mbox, - MBX_NOWAIT | MBX_STOP_IOCB) + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) == MBX_NOT_FINISHED) { + /* mailbox command not success, decrement ndlp + * reference count for this command + */ + lpfc_nlp_put(ndlp); mempool_free(mbox, phba->mbox_mem_pool); - vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; - lpfc_vport_set_state(vport, FC_VPORT_FAILED); lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, "0253 Register VPI: Can't send mbox\n"); + goto mbox_err_exit; } } else { - lpfc_vport_set_state(vport, FC_VPORT_FAILED); - lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, "0254 Register VPI: no memory\n"); - - vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; - lpfc_nlp_put(ndlp); + goto mbox_err_exit; } + return; + +mbox_err_exit: + lpfc_vport_set_state(vport, FC_VPORT_FAILED); + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); + return; } static void @@ -4251,7 +4501,9 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_unreg_rpi(vport, np); } lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } if (vport->fc_flag & FC_VPORT_NEEDS_REG_VPI) @@ -4259,14 +4511,15 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, else lpfc_do_scr_ns_plogi(phba, vport); - lpfc_nlp_put(ndlp); /* Free Fabric ndlp for vports */ + /* Unconditionaly kick off releasing fabric node for vports */ + lpfc_nlp_put(ndlp); } out: lpfc_els_free_iocb(phba, cmdiocb); } -int +static int lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, uint8_t retry) { @@ -4539,7 +4792,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } } -int +static int lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) { unsigned long iflags; @@ -4583,7 +4836,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb) } -void lpfc_fabric_abort_vport(struct lpfc_vport *vport) +static void lpfc_fabric_abort_vport(struct lpfc_vport *vport) { LIST_HEAD(completions); struct lpfc_hba *phba = vport->phba; @@ -4663,6 +4916,7 @@ void lpfc_fabric_abort_hba(struct lpfc_hba *phba) } +#if 0 void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) { LIST_HEAD(completions); @@ -4693,5 +4947,6 @@ void lpfc_fabric_abort_flogi(struct lpfc_hba *phba) (piocb->iocb_cmpl) (phba, piocb, piocb); } } +#endif /* 0 */ diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index c81c2b3228d6..dc042bd97baa 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -57,6 +57,7 @@ static uint8_t lpfcAlpaArray[] = { }; static void lpfc_disc_timeout_handler(struct lpfc_vport *); +static void lpfc_disc_flush_list(struct lpfc_vport *vport); void lpfc_terminate_rport_io(struct fc_rport *rport) @@ -107,20 +108,14 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) struct lpfc_nodelist * ndlp; struct lpfc_vport *vport; struct lpfc_hba *phba; - struct completion devloss_compl; struct lpfc_work_evt *evtp; + int put_node; + int put_rport; rdata = rport->dd_data; ndlp = rdata->pnode; - - if (!ndlp) { - if (rport->scsi_target_id != -1) { - printk(KERN_ERR "Cannot find remote node" - " for rport in dev_loss_tmo_callbk x%x\n", - rport->port_id); - } + if (!ndlp) return; - } vport = ndlp->vport; phba = vport->phba; @@ -129,15 +124,35 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) "rport devlosscb: sid:x%x did:x%x flg:x%x", ndlp->nlp_sid, ndlp->nlp_DID, ndlp->nlp_flag); - init_completion(&devloss_compl); + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + return; + } + + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + return; + evtp = &ndlp->dev_loss_evt; if (!list_empty(&evtp->evt_listp)) return; spin_lock_irq(&phba->hbalock); - evtp->evt_arg1 = ndlp; - evtp->evt_arg2 = &devloss_compl; + /* We need to hold the node by incrementing the reference + * count until this queued work is done + */ + evtp->evt_arg1 = lpfc_nlp_get(ndlp); evtp->evt = LPFC_EVT_DEV_LOSS; list_add_tail(&evtp->evt_listp, &phba->work_list); if (phba->work_wait) @@ -145,8 +160,6 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) spin_unlock_irq(&phba->hbalock); - wait_for_completion(&devloss_compl); - return; } @@ -154,7 +167,7 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport) * This function is called from the worker thread when dev_loss_tmo * expire. */ -void +static void lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) { struct lpfc_rport_data *rdata; @@ -162,6 +175,8 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) struct lpfc_vport *vport; struct lpfc_hba *phba; uint8_t *name; + int put_node; + int put_rport; int warn_on = 0; rport = ndlp->rport; @@ -178,14 +193,32 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) "rport devlosstmo:did:x%x type:x%x id:x%x", ndlp->nlp_DID, ndlp->nlp_type, rport->scsi_target_id); - if (!(vport->load_flag & FC_UNLOADING) && - ndlp->nlp_state == NLP_STE_MAPPED_NODE) + /* Don't defer this if we are in the process of deleting the vport + * or unloading the driver. The unload will cleanup the node + * appropriately we just need to cleanup the ndlp rport info here. + */ + if (vport->load_flag & FC_UNLOADING) { + if (ndlp->nlp_sid != NLP_NO_SID) { + /* flush the target */ + lpfc_sli_abort_iocb(vport, + &phba->sli.ring[phba->sli.fcp_ring], + ndlp->nlp_sid, 0, LPFC_CTX_TGT); + } + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); return; + } - if (ndlp->nlp_type & NLP_FABRIC) { - int put_node; - int put_rport; + if (ndlp->nlp_state == NLP_STE_MAPPED_NODE) + return; + if (ndlp->nlp_type & NLP_FABRIC) { /* We will clean up these Nodes in linkup */ put_node = rdata->pnode != NULL; put_rport = ndlp->rport != NULL; @@ -227,23 +260,20 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) ndlp->nlp_state, ndlp->nlp_rpi); } + put_node = rdata->pnode != NULL; + put_rport = ndlp->rport != NULL; + rdata->pnode = NULL; + ndlp->rport = NULL; + if (put_node) + lpfc_nlp_put(ndlp); + if (put_rport) + put_device(&rport->dev); + if (!(vport->load_flag & FC_UNLOADING) && !(ndlp->nlp_flag & NLP_DELAY_TMO) && !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && - (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) + (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)) { lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); - else { - int put_node; - int put_rport; - - put_node = rdata->pnode != NULL; - put_rport = ndlp->rport != NULL; - rdata->pnode = NULL; - ndlp->rport = NULL; - if (put_node) - lpfc_nlp_put(ndlp); - if (put_rport) - put_device(&rport->dev); } } @@ -260,7 +290,6 @@ lpfc_work_list_done(struct lpfc_hba *phba) { struct lpfc_work_evt *evtp = NULL; struct lpfc_nodelist *ndlp; - struct lpfc_vport *vport; int free_evt; spin_lock_irq(&phba->hbalock); @@ -270,35 +299,22 @@ lpfc_work_list_done(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); free_evt = 1; switch (evtp->evt) { - case LPFC_EVT_DEV_LOSS_DELAY: - free_evt = 0; /* evt is part of ndlp */ - ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); - vport = ndlp->vport; - if (!vport) - break; - - lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT, - "rport devlossdly:did:x%x flg:x%x", - ndlp->nlp_DID, ndlp->nlp_flag, 0); - - if (!(vport->load_flag & FC_UNLOADING) && - !(ndlp->nlp_flag & NLP_DELAY_TMO) && - !(ndlp->nlp_flag & NLP_NPR_2B_DISC)) { - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RM); - } - break; case LPFC_EVT_ELS_RETRY: ndlp = (struct lpfc_nodelist *) (evtp->evt_arg1); lpfc_els_retry_delay_handler(ndlp); free_evt = 0; /* evt is part of ndlp */ + /* decrement the node reference count held + * for this queued work + */ + lpfc_nlp_put(ndlp); break; case LPFC_EVT_DEV_LOSS: ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1); - lpfc_nlp_get(ndlp); lpfc_dev_loss_tmo_handler(ndlp); free_evt = 0; - complete((struct completion *)(evtp->evt_arg2)); + /* decrement the node reference count held for + * this queued work + */ lpfc_nlp_put(ndlp); break; case LPFC_EVT_ONLINE: @@ -373,7 +389,7 @@ lpfc_work_done(struct lpfc_hba *phba) lpfc_handle_latt(phba); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS; i++) { + for(i = 0; i <= phba->max_vpi; i++) { /* * We could have no vports in array if unloading, so if * this happens then just use the pport @@ -405,14 +421,14 @@ lpfc_work_done(struct lpfc_hba *phba) vport->work_port_events &= ~work_port_events; spin_unlock_irq(&vport->work_port_lock); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); pring = &phba->sli.ring[LPFC_ELS_RING]; status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); status >>= (4*LPFC_ELS_RING); if ((status & HA_RXMASK) || (pring->flag & LPFC_DEFERRED_RING_EVENT)) { - if (pring->flag & LPFC_STOP_IOCB_MASK) { + if (pring->flag & LPFC_STOP_IOCB_EVENT) { pring->flag |= LPFC_DEFERRED_RING_EVENT; } else { lpfc_sli_handle_slow_ring_event(phba, pring, @@ -544,6 +560,7 @@ lpfc_workq_post_event(struct lpfc_hba *phba, void *arg1, void *arg2, void lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) { + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp, *next_ndlp; int rc; @@ -552,7 +569,9 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) continue; - if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) + if ((phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) || + ((vport->port_type == LPFC_NPIV_PORT) && + (ndlp->nlp_DID == NameServer_DID))) lpfc_unreg_rpi(vport, ndlp); /* Leave Fabric nodes alone on link down */ @@ -565,14 +584,30 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove) } if (phba->sli3_options & LPFC_SLI3_VPORT_TEARDOWN) { lpfc_mbx_unreg_vpi(vport); + spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; + spin_unlock_irq(shost->host_lock); } } +void +lpfc_port_link_failure(struct lpfc_vport *vport) +{ + /* Cleanup any outstanding RSCN activity */ + lpfc_els_flush_rscn(vport); + + /* Cleanup any outstanding ELS commands */ + lpfc_els_flush_cmd(vport); + + lpfc_cleanup_rpis(vport, 0); + + /* Turn off discovery timer if its running */ + lpfc_can_disctmo(vport); +} + static void lpfc_linkdown_port(struct lpfc_vport *vport) { - struct lpfc_nodelist *ndlp, *next_ndlp; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0); @@ -581,21 +616,8 @@ lpfc_linkdown_port(struct lpfc_vport *vport) "Link Down: state:x%x rtry:x%x flg:x%x", vport->port_state, vport->fc_ns_retry, vport->fc_flag); - /* Cleanup any outstanding RSCN activity */ - lpfc_els_flush_rscn(vport); - - /* Cleanup any outstanding ELS commands */ - lpfc_els_flush_cmd(vport); + lpfc_port_link_failure(vport); - lpfc_cleanup_rpis(vport, 0); - - /* free any ndlp's on unused list */ - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) - lpfc_drop_node(vport, ndlp); - - /* Turn off discovery timer if its running */ - lpfc_can_disctmo(vport); } int @@ -618,18 +640,18 @@ lpfc_linkdown(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { /* Issue a LINK DOWN event to all nodes */ lpfc_linkdown_port(vports[i]); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); /* Clean up any firmware default rpi's */ mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (mb) { lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb); mb->vport = vport; mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB)) + if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) == MBX_NOT_FINISHED) { mempool_free(mb, phba->mbox_mem_pool); } @@ -643,8 +665,7 @@ lpfc_linkdown(struct lpfc_hba *phba) lpfc_config_link(phba, mb); mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mb->vport = vport; - if (lpfc_sli_issue_mbox(phba, mb, - (MBX_NOWAIT | MBX_STOP_IOCB)) + if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT) == MBX_NOT_FINISHED) { mempool_free(mb, phba->mbox_mem_pool); } @@ -686,7 +707,6 @@ static void lpfc_linkup_port(struct lpfc_vport *vport) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - struct lpfc_nodelist *ndlp, *next_ndlp; struct lpfc_hba *phba = vport->phba; if ((vport->load_flag & FC_UNLOADING) != 0) @@ -713,11 +733,6 @@ lpfc_linkup_port(struct lpfc_vport *vport) if (vport->fc_flag & FC_LBIT) lpfc_linkup_cleanup_nodes(vport); - /* free any ndlp's in unused state */ - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, - nlp_listp) - if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) - lpfc_drop_node(vport, ndlp); } static int @@ -734,9 +749,9 @@ lpfc_linkup(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) lpfc_linkup_port(vports[i]); - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) lpfc_issue_clear_la(phba, phba->pport); @@ -749,7 +764,7 @@ lpfc_linkup(struct lpfc_hba *phba) * as the completion routine when the command is * handed off to the SLI layer. */ -void +static void lpfc_mbx_cmpl_clear_la(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) { struct lpfc_vport *vport = pmb->vport; @@ -852,8 +867,6 @@ lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) * LPFC_FLOGI while waiting for FLOGI cmpl */ if (vport->port_state != LPFC_FLOGI) { - vport->port_state = LPFC_FLOGI; - lpfc_set_disctmo(vport); lpfc_initial_flogi(vport); } return; @@ -1022,8 +1035,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) lpfc_read_sparam(phba, sparam_mbox, 0); sparam_mbox->vport = vport; sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam; - rc = lpfc_sli_issue_mbox(phba, sparam_mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { mp = (struct lpfc_dmabuf *) sparam_mbox->context1; lpfc_mbuf_free(phba, mp->virt, mp->phys); @@ -1040,8 +1052,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la) lpfc_config_link(phba, cfglink_mbox); cfglink_mbox->vport = vport; cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_local_config_link; - rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, cfglink_mbox, MBX_NOWAIT); if (rc != MBX_NOT_FINISHED) return; mempool_free(cfglink_mbox, phba->mbox_mem_pool); @@ -1174,6 +1185,9 @@ lpfc_mbx_cmpl_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free(pmb, phba->mbox_mem_pool); + /* decrement the node reference count held for this callback + * function. + */ lpfc_nlp_put(ndlp); return; @@ -1219,7 +1233,7 @@ lpfc_mbx_unreg_vpi(struct lpfc_vport *vport) lpfc_unreg_vpi(phba, vport->vpi, mbox); mbox->vport = vport; mbox->mbox_cmpl = lpfc_mbx_cmpl_unreg_vpi; - rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, "1800 Could not issue unreg_vpi\n"); @@ -1319,7 +1333,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; - i < LPFC_MAX_VPORTS && vports[i] != NULL; + i <= phba->max_vpi && vports[i] != NULL; i++) { if (vports[i]->port_type == LPFC_PHYSICAL_PORT) continue; @@ -1335,7 +1349,7 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) "Fabric support\n"); } } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); lpfc_do_scr_ns_plogi(phba, vport); } @@ -1361,11 +1375,16 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) if (mb->mbxStatus) { out: + /* decrement the node reference count held for this + * callback function. + */ lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); mempool_free(pmb, phba->mbox_mem_pool); - lpfc_drop_node(vport, ndlp); + + /* If no other thread is using the ndlp, free it */ + lpfc_nlp_not_used(ndlp); if (phba->fc_topology == TOPOLOGY_LOOP) { /* @@ -1410,6 +1429,9 @@ out: goto out; } + /* decrement the node reference count held for this + * callback function. + */ lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -1656,8 +1678,18 @@ lpfc_dequeue_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) void lpfc_drop_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { + /* + * Use of lpfc_drop_node and UNUSED list: lpfc_drop_node should + * be used if we wish to issue the "last" lpfc_nlp_put() to remove + * the ndlp from the vport. The ndlp marked as UNUSED on the list + * until ALL other outstanding threads have completed. We check + * that the ndlp not already in the UNUSED state before we proceed. + */ + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + return; lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); lpfc_nlp_put(ndlp); + return; } /* @@ -1868,8 +1900,7 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox); mbox->vport = vport; mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) mempool_free(mbox, phba->mbox_mem_pool); } @@ -1892,8 +1923,8 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport) lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox); mbox->vport = vport; mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + mbox->context1 = NULL; + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); if (rc == MBX_NOT_FINISHED) { mempool_free(mbox, phba->mbox_mem_pool); } @@ -1912,8 +1943,8 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport) lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox); mbox->vport = vport; mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + mbox->context1 = NULL; + rc = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); if (rc == MBX_NOT_FINISHED) { lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX | LOG_VPORT, "1815 Could not issue " @@ -1981,11 +2012,6 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) list_del_init(&ndlp->dev_loss_evt.evt_listp); - if (!list_empty(&ndlp->dev_loss_evt.evt_listp)) { - list_del_init(&ndlp->dev_loss_evt.evt_listp); - complete((struct completion *)(ndlp->dev_loss_evt.evt_arg2)); - } - lpfc_unreg_rpi(vport, ndlp); return 0; @@ -1999,12 +2025,39 @@ lpfc_cleanup_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) static void lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { + struct lpfc_hba *phba = vport->phba; struct lpfc_rport_data *rdata; + LPFC_MBOXQ_t *mbox; + int rc; if (ndlp->nlp_flag & NLP_DELAY_TMO) { lpfc_cancel_retry_delay_tmo(vport, ndlp); } + if (ndlp->nlp_flag & NLP_DEFER_RM && !ndlp->nlp_rpi) { + /* For this case we need to cleanup the default rpi + * allocated by the firmware. + */ + if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL)) + != NULL) { + rc = lpfc_reg_login(phba, vport->vpi, ndlp->nlp_DID, + (uint8_t *) &vport->fc_sparam, mbox, 0); + if (rc) { + mempool_free(mbox, phba->mbox_mem_pool); + } + else { + mbox->mbox_flag |= LPFC_MBX_IMED_UNREG; + mbox->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; + mbox->vport = vport; + mbox->context2 = NULL; + rc =lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mbox, phba->mbox_mem_pool); + } + } + } + } + lpfc_cleanup_node(vport, ndlp); /* @@ -2132,6 +2185,12 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) } if (vport->fc_flag & FC_RSCN_MODE) { if (lpfc_rscn_payload_check(vport, did)) { + /* If we've already recieved a PLOGI from this NPort + * we don't need to try to discover it again. + */ + if (ndlp->nlp_flag & NLP_RCV_PLOGI) + return NULL; + spin_lock_irq(shost->host_lock); ndlp->nlp_flag |= NLP_NPR_2B_DISC; spin_unlock_irq(shost->host_lock); @@ -2144,8 +2203,13 @@ lpfc_setup_disc_node(struct lpfc_vport *vport, uint32_t did) } else ndlp = NULL; } else { + /* If we've already recieved a PLOGI from this NPort, + * or we are already in the process of discovery on it, + * we don't need to try to discover it again. + */ if (ndlp->nlp_state == NLP_STE_ADISC_ISSUE || - ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) + ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || + ndlp->nlp_flag & NLP_RCV_PLOGI) return NULL; lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(shost->host_lock); @@ -2220,8 +2284,7 @@ lpfc_issue_clear_la(struct lpfc_hba *phba, struct lpfc_vport *vport) lpfc_clear_la(phba, mbox); mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la; mbox->vport = vport; - rc = lpfc_sli_issue_mbox(phba, mbox, (MBX_NOWAIT | - MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { mempool_free(mbox, phba->mbox_mem_pool); lpfc_disc_flush_list(vport); @@ -2244,8 +2307,7 @@ lpfc_issue_reg_vpi(struct lpfc_hba *phba, struct lpfc_vport *vport) lpfc_reg_vpi(phba, vport->vpi, vport->fc_myDID, regvpimbox); regvpimbox->mbox_cmpl = lpfc_mbx_cmpl_reg_vpi; regvpimbox->vport = vport; - if (lpfc_sli_issue_mbox(phba, regvpimbox, - (MBX_NOWAIT | MBX_STOP_IOCB)) + if (lpfc_sli_issue_mbox(phba, regvpimbox, MBX_NOWAIT) == MBX_NOT_FINISHED) { mempool_free(regvpimbox, phba->mbox_mem_pool); } @@ -2414,7 +2476,7 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) } } -void +static void lpfc_disc_flush_list(struct lpfc_vport *vport) { struct lpfc_nodelist *ndlp, *next_ndlp; @@ -2426,7 +2488,6 @@ lpfc_disc_flush_list(struct lpfc_vport *vport) if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE || ndlp->nlp_state == NLP_STE_ADISC_ISSUE) { lpfc_free_tx(phba, ndlp); - lpfc_nlp_put(ndlp); } } } @@ -2516,6 +2577,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) if (ndlp->nlp_type & NLP_FABRIC) { /* Clean up the ndlp on Fabric connections */ lpfc_drop_node(vport, ndlp); + } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { /* Fail outstanding IO now since device * is marked for PLOGI. @@ -2524,9 +2586,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) } } if (vport->port_state != LPFC_FLOGI) { - vport->port_state = LPFC_FLOGI; - lpfc_set_disctmo(vport); lpfc_initial_flogi(vport); + return; } break; @@ -2536,7 +2597,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) /* Initial FLOGI timeout */ lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0222 Initial %s timeout\n", - vport->vpi ? "FLOGI" : "FDISC"); + vport->vpi ? "FDISC" : "FLOGI"); /* Assume no Fabric and go on with discovery. * Check for outstanding ELS FLOGI to abort. @@ -2558,10 +2619,10 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) /* Next look for NameServer ndlp */ ndlp = lpfc_findnode_did(vport, NameServer_DID); if (ndlp) - lpfc_nlp_put(ndlp); - /* Start discovery */ - lpfc_disc_start(vport); - break; + lpfc_els_abort(phba, ndlp); + + /* ReStart discovery */ + goto restart_disc; case LPFC_NS_QRY: /* Check for wait for NameServer Rsp timeout */ @@ -2580,6 +2641,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) } vport->fc_ns_retry = 0; +restart_disc: /* * Discovery is over. * set port_state to PORT_READY if SLI2. @@ -2608,8 +2670,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0; initlinkmbox->vport = vport; initlinkmbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; - rc = lpfc_sli_issue_mbox(phba, initlinkmbox, - (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, initlinkmbox, MBX_NOWAIT); lpfc_set_loopback_flag(phba); if (rc == MBX_NOT_FINISHED) mempool_free(initlinkmbox, phba->mbox_mem_pool); @@ -2664,12 +2725,14 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport) clrlaerr = 1; break; + case LPFC_LINK_UP: + lpfc_issue_clear_la(phba, vport); + /* Drop thru */ case LPFC_LINK_UNKNOWN: case LPFC_WARM_START: case LPFC_INIT_START: case LPFC_INIT_MBX_CMDS: case LPFC_LINK_DOWN: - case LPFC_LINK_UP: case LPFC_HBA_ERROR: lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "0230 Unexpected timeout, hba link " @@ -2723,7 +2786,9 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) else mod_timer(&vport->fc_fdmitmo, jiffies + HZ * 60); - /* Mailbox took a reference to the node */ + /* decrement the node reference count held for this callback + * function. + */ lpfc_nlp_put(ndlp); lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); @@ -2747,19 +2812,19 @@ lpfc_filter_by_wwpn(struct lpfc_nodelist *ndlp, void *param) sizeof(ndlp->nlp_portname)) == 0; } -struct lpfc_nodelist * +static struct lpfc_nodelist * __lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) { struct lpfc_nodelist *ndlp; list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) { - if (ndlp->nlp_state != NLP_STE_UNUSED_NODE && - filter(ndlp, param)) + if (filter(ndlp, param)) return ndlp; } return NULL; } +#if 0 /* * Search node lists for a remote port matching filter criteria * Caller needs to hold host_lock before calling this routine. @@ -2775,6 +2840,7 @@ lpfc_find_node(struct lpfc_vport *vport, node_filter filter, void *param) spin_unlock_irq(shost->host_lock); return ndlp; } +#endif /* 0 */ /* * This routine looks up the ndlp lists for the given RPI. If rpi found it @@ -2786,6 +2852,7 @@ __lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) return __lpfc_find_node(vport, lpfc_filter_by_rpi, &rpi); } +#if 0 struct lpfc_nodelist * lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) { @@ -2797,6 +2864,7 @@ lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi) spin_unlock_irq(shost->host_lock); return ndlp; } +#endif /* 0 */ /* * This routine looks up the ndlp lists for the given WWPN. If WWPN found it @@ -2837,6 +2905,9 @@ lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return; } +/* This routine releases all resources associated with a specifc NPort's ndlp + * and mempool_free's the nodelist. + */ static void lpfc_nlp_release(struct kref *kref) { @@ -2851,16 +2922,57 @@ lpfc_nlp_release(struct kref *kref) mempool_free(ndlp, ndlp->vport->phba->nlp_mem_pool); } +/* This routine bumps the reference count for a ndlp structure to ensure + * that one discovery thread won't free a ndlp while another discovery thread + * is using it. + */ struct lpfc_nodelist * lpfc_nlp_get(struct lpfc_nodelist *ndlp) { - if (ndlp) + if (ndlp) { + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node get: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); kref_get(&ndlp->kref); + } return ndlp; } + +/* This routine decrements the reference count for a ndlp structure. If the + * count goes to 0, this indicates the the associated nodelist should be freed. + */ int lpfc_nlp_put(struct lpfc_nodelist *ndlp) { + if (ndlp) { + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node put: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); + } return ndlp ? kref_put(&ndlp->kref, lpfc_nlp_release) : 0; } + +/* This routine free's the specified nodelist if it is not in use + * by any other discovery thread. This routine returns 1 if the ndlp + * is not being used by anyone and has been freed. A return value of + * 0 indicates it is being used by another discovery thread and the + * refcount is left unchanged. + */ +int +lpfc_nlp_not_used(struct lpfc_nodelist *ndlp) +{ + lpfc_debugfs_disc_trc(ndlp->vport, LPFC_DISC_TRC_NODE, + "node not used: did:x%x flg:x%x refcnt:x%x", + ndlp->nlp_DID, ndlp->nlp_flag, + atomic_read(&ndlp->kref.refcount)); + + if (atomic_read(&ndlp->kref.refcount) == 1) { + lpfc_nlp_put(ndlp); + return 1; + } + return 0; +} + diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 451accd5564b..041f83e7634a 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -139,6 +139,9 @@ struct lpfc_sli_ct_request { uint8_t len; uint8_t symbname[255]; } rsnn; + struct da_id { /* For DA_ID requests */ + uint32_t port_id; + } da_id; struct rspn { /* For RSPN_ID requests */ uint32_t PortId; uint8_t len; @@ -150,11 +153,7 @@ struct lpfc_sli_ct_request { struct gff_acc { uint8_t fbits[128]; } gff_acc; -#ifdef __BIG_ENDIAN_BITFIELD #define FCP_TYPE_FEATURE_OFFSET 7 -#else /* __LITTLE_ENDIAN_BITFIELD */ -#define FCP_TYPE_FEATURE_OFFSET 4 -#endif struct rff { uint32_t PortId; uint8_t reserved[2]; @@ -177,6 +176,8 @@ struct lpfc_sli_ct_request { sizeof(struct rnn)) #define RSNN_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \ sizeof(struct rsnn)) +#define DA_ID_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \ + sizeof(struct da_id)) #define RSPN_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \ sizeof(struct rspn)) @@ -1228,7 +1229,8 @@ typedef struct { /* FireFly BIU registers */ #define HS_FFER3 0x20000000 /* Bit 29 */ #define HS_FFER2 0x40000000 /* Bit 30 */ #define HS_FFER1 0x80000000 /* Bit 31 */ -#define HS_FFERM 0xFF000000 /* Mask for error bits 31:24 */ +#define HS_CRIT_TEMP 0x00000100 /* Bit 8 */ +#define HS_FFERM 0xFF000100 /* Mask for error bits 31:24 and 8 */ /* Host Control Register */ @@ -1277,12 +1279,14 @@ typedef struct { /* FireFly BIU registers */ #define MBX_DEL_LD_ENTRY 0x1D #define MBX_RUN_PROGRAM 0x1E #define MBX_SET_MASK 0x20 -#define MBX_SET_SLIM 0x21 +#define MBX_SET_VARIABLE 0x21 #define MBX_UNREG_D_ID 0x23 #define MBX_KILL_BOARD 0x24 #define MBX_CONFIG_FARP 0x25 #define MBX_BEACON 0x2A #define MBX_HEARTBEAT 0x31 +#define MBX_WRITE_VPARMS 0x32 +#define MBX_ASYNCEVT_ENABLE 0x33 #define MBX_CONFIG_HBQ 0x7C #define MBX_LOAD_AREA 0x81 @@ -1297,7 +1301,7 @@ typedef struct { /* FireFly BIU registers */ #define MBX_REG_VNPID 0x96 #define MBX_UNREG_VNPID 0x97 -#define MBX_FLASH_WR_ULA 0x98 +#define MBX_WRITE_WWN 0x98 #define MBX_SET_DEBUG 0x99 #define MBX_LOAD_EXP_ROM 0x9C @@ -1344,6 +1348,7 @@ typedef struct { /* FireFly BIU registers */ /* SLI_2 IOCB Command Set */ +#define CMD_ASYNC_STATUS 0x7C #define CMD_RCV_SEQUENCE64_CX 0x81 #define CMD_XMIT_SEQUENCE64_CR 0x82 #define CMD_XMIT_SEQUENCE64_CX 0x83 @@ -1368,6 +1373,7 @@ typedef struct { /* FireFly BIU registers */ #define CMD_FCP_TRECEIVE64_CX 0xA1 #define CMD_FCP_TRSP64_CX 0xA3 +#define CMD_QUE_XRI64_CX 0xB3 #define CMD_IOCB_RCV_SEQ64_CX 0xB5 #define CMD_IOCB_RCV_ELS64_CX 0xB7 #define CMD_IOCB_RCV_CONT64_CX 0xBB @@ -1406,6 +1412,8 @@ typedef struct { /* FireFly BIU registers */ #define MBX_BUSY 0xffffff /* Attempted cmd to busy Mailbox */ #define MBX_TIMEOUT 0xfffffe /* time-out expired waiting for */ +#define TEMPERATURE_OFFSET 0xB0 /* Slim offset for critical temperature event */ + /* * Begin Structure Definitions for Mailbox Commands */ @@ -2606,6 +2614,18 @@ typedef struct { uint32_t IPAddress; } CONFIG_FARP_VAR; +/* Structure for MB Command MBX_ASYNCEVT_ENABLE (0x33) */ + +typedef struct { +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rsvd:30; + uint32_t ring:2; /* Ring for ASYNC_EVENT iocb Bits 0-1*/ +#else /* __LITTLE_ENDIAN */ + uint32_t ring:2; /* Ring for ASYNC_EVENT iocb Bits 0-1*/ + uint32_t rsvd:30; +#endif +} ASYNCEVT_ENABLE_VAR; + /* Union of all Mailbox Command types */ #define MAILBOX_CMD_WSIZE 32 #define MAILBOX_CMD_SIZE (MAILBOX_CMD_WSIZE * sizeof(uint32_t)) @@ -2645,6 +2665,7 @@ typedef union { CONFIG_PORT_VAR varCfgPort; /* cmd = 0x88 (CONFIG_PORT) */ REG_VPI_VAR varRegVpi; /* cmd = 0x96 (REG_VPI) */ UNREG_VPI_VAR varUnregVpi; /* cmd = 0x97 (UNREG_VPI) */ + ASYNCEVT_ENABLE_VAR varCfgAsyncEvent; /*cmd = x33 (CONFIG_ASYNC) */ } MAILVARIANTS; /* @@ -2973,6 +2994,34 @@ typedef struct { #endif } RCV_ELS_REQ64; +/* IOCB Command template for RCV_SEQ64 */ +struct rcv_seq64 { + struct ulp_bde64 elsReq; + uint32_t hbq_1; + uint32_t parmRo; +#ifdef __BIG_ENDIAN_BITFIELD + uint32_t rctl:8; + uint32_t type:8; + uint32_t dfctl:8; + uint32_t ls:1; + uint32_t fs:1; + uint32_t rsvd2:3; + uint32_t si:1; + uint32_t bc:1; + uint32_t rsvd3:1; +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint32_t rsvd3:1; + uint32_t bc:1; + uint32_t si:1; + uint32_t rsvd2:3; + uint32_t fs:1; + uint32_t ls:1; + uint32_t dfctl:8; + uint32_t type:8; + uint32_t rctl:8; +#endif +}; + /* IOCB Command template for all 64 bit FCP Initiator commands */ typedef struct { ULP_BDL bdl; @@ -2987,6 +3036,21 @@ typedef struct { uint32_t fcpt_Length; /* transfer ready for IWRITE */ } FCPT_FIELDS64; +/* IOCB Command template for Async Status iocb commands */ +typedef struct { + uint32_t rsvd[4]; + uint32_t param; +#ifdef __BIG_ENDIAN_BITFIELD + uint16_t evt_code; /* High order bits word 5 */ + uint16_t sub_ctxt_tag; /* Low order bits word 5 */ +#else /* __LITTLE_ENDIAN_BITFIELD */ + uint16_t sub_ctxt_tag; /* High order bits word 5 */ + uint16_t evt_code; /* Low order bits word 5 */ +#endif +} ASYNCSTAT_FIELDS; +#define ASYNC_TEMP_WARN 0x100 +#define ASYNC_TEMP_SAFE 0x101 + /* IOCB Command template for CMD_IOCB_RCV_ELS64_CX (0xB7) or CMD_IOCB_RCV_SEQ64_CX (0xB5) */ @@ -3004,7 +3068,26 @@ struct rcv_sli3 { struct ulp_bde64 bde2; }; +/* Structure used for a single HBQ entry */ +struct lpfc_hbq_entry { + struct ulp_bde64 bde; + uint32_t buffer_tag; +}; +/* IOCB Command template for QUE_XRI64_CX (0xB3) command */ +typedef struct { + struct lpfc_hbq_entry buff; + uint32_t rsvd; + uint32_t rsvd1; +} QUE_XRI64_CX_FIELDS; + +struct que_xri64cx_ext_fields { + uint32_t iotag64_low; + uint32_t iotag64_high; + uint32_t ebde_count; + uint32_t rsvd; + struct lpfc_hbq_entry buff[5]; +}; typedef struct _IOCB { /* IOCB structure */ union { @@ -3028,6 +3111,9 @@ typedef struct _IOCB { /* IOCB structure */ XMT_SEQ_FIELDS64 xseq64; /* XMIT / BCAST cmd */ FCPI_FIELDS64 fcpi64; /* FCP 64 bit Initiator template */ FCPT_FIELDS64 fcpt64; /* FCP 64 bit target template */ + ASYNCSTAT_FIELDS asyncstat; /* async_status iocb */ + QUE_XRI64_CX_FIELDS quexri64cx; /* que_xri64_cx fields */ + struct rcv_seq64 rcvseq64; /* RCV_SEQ64 and RCV_CONT64 */ uint32_t ulpWord[IOCB_WORD_SZ - 2]; /* generic 6 'words' */ } un; @@ -3085,6 +3171,10 @@ typedef struct _IOCB { /* IOCB structure */ union { struct rcv_sli3 rcvsli3; /* words 8 - 15 */ + + /* words 8-31 used for que_xri_cx iocb */ + struct que_xri64cx_ext_fields que_xri64cx_ext_words; + uint32_t sli3Words[24]; /* 96 extra bytes for SLI-3 */ } unsli3; @@ -3124,12 +3214,6 @@ typedef struct _IOCB { /* IOCB structure */ } IOCB_t; -/* Structure used for a single HBQ entry */ -struct lpfc_hbq_entry { - struct ulp_bde64 bde; - uint32_t buffer_tag; -}; - #define SLI1_SLIM_SIZE (4 * 1024) @@ -3172,6 +3256,8 @@ lpfc_is_LC_HBA(unsigned short device) (device == PCI_DEVICE_ID_BSMB) || (device == PCI_DEVICE_ID_ZMID) || (device == PCI_DEVICE_ID_ZSMB) || + (device == PCI_DEVICE_ID_SAT_MID) || + (device == PCI_DEVICE_ID_SAT_SMB) || (device == PCI_DEVICE_ID_RFLY)) return 1; else diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index ecebdfa00470..3205f7488d1c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -212,6 +212,18 @@ out_free_mbox: return 0; } +/* Completion handler for config async event mailbox command. */ +static void +lpfc_config_async_cmpl(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmboxq) +{ + if (pmboxq->mb.mbxStatus == MBX_SUCCESS) + phba->temp_sensor_support = 1; + else + phba->temp_sensor_support = 0; + mempool_free(pmboxq, phba->mbox_mem_pool); + return; +} + /************************************************************************/ /* */ /* lpfc_config_port_post */ @@ -234,6 +246,15 @@ lpfc_config_port_post(struct lpfc_hba *phba) int i, j; int rc; + spin_lock_irq(&phba->hbalock); + /* + * If the Config port completed correctly the HBA is not + * over heated any more. + */ + if (phba->over_temp_state == HBA_OVER_TEMP) + phba->over_temp_state = HBA_NORMAL_TEMP; + spin_unlock_irq(&phba->hbalock); + pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!pmb) { phba->link_state = LPFC_HBA_ERROR; @@ -343,7 +364,7 @@ lpfc_config_port_post(struct lpfc_hba *phba) phba->link_state = LPFC_LINK_DOWN; - /* Only process IOCBs on ring 0 till hba_state is READY */ + /* Only process IOCBs on ELS ring till hba_state is READY */ if (psli->ring[psli->extra_ring].cmdringaddr) psli->ring[psli->extra_ring].flag |= LPFC_STOP_IOCB_EVENT; if (psli->ring[psli->fcp_ring].cmdringaddr) @@ -409,7 +430,21 @@ lpfc_config_port_post(struct lpfc_hba *phba) return -EIO; } /* MBOX buffer will be freed in mbox compl */ + pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + lpfc_config_async(phba, pmb, LPFC_ELS_RING); + pmb->mbox_cmpl = lpfc_config_async_cmpl; + pmb->vport = phba->pport; + rc = lpfc_sli_issue_mbox(phba, pmb, MBX_NOWAIT); + if ((rc != MBX_BUSY) && (rc != MBX_SUCCESS)) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_INIT, + "0456 Adapter failed to issue " + "ASYNCEVT_ENABLE mbox status x%x \n.", + rc); + mempool_free(pmb, phba->mbox_mem_pool); + } return (0); } @@ -449,6 +484,9 @@ lpfc_hba_down_post(struct lpfc_hba *phba) struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; struct lpfc_dmabuf *mp, *next_mp; + struct lpfc_iocbq *iocb; + IOCB_t *cmd = NULL; + LIST_HEAD(completions); int i; if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) @@ -464,16 +502,42 @@ lpfc_hba_down_post(struct lpfc_hba *phba) } } + spin_lock_irq(&phba->hbalock); for (i = 0; i < psli->num_rings; i++) { pring = &psli->ring[i]; + + /* At this point in time the HBA is either reset or DOA. Either + * way, nothing should be on txcmplq as it will NEVER complete. + */ + list_splice_init(&pring->txcmplq, &completions); + pring->txcmplq_cnt = 0; + spin_unlock_irq(&phba->hbalock); + + while (!list_empty(&completions)) { + iocb = list_get_first(&completions, struct lpfc_iocbq, + list); + cmd = &iocb->iocb; + list_del_init(&iocb->list); + + if (!iocb->iocb_cmpl) + lpfc_sli_release_iocbq(phba, iocb); + else { + cmd->ulpStatus = IOSTAT_LOCAL_REJECT; + cmd->un.ulpWord[4] = IOERR_SLI_ABORTED; + (iocb->iocb_cmpl) (phba, iocb, iocb); + } + } + lpfc_sli_abort_iocb_ring(phba, pring); + spin_lock_irq(&phba->hbalock); } + spin_unlock_irq(&phba->hbalock); return 0; } /* HBA heart beat timeout handler */ -void +static void lpfc_hb_timeout(unsigned long ptr) { struct lpfc_hba *phba; @@ -512,8 +576,10 @@ void lpfc_hb_timeout_handler(struct lpfc_hba *phba) { LPFC_MBOXQ_t *pmboxq; + struct lpfc_dmabuf *buf_ptr; int retval; struct lpfc_sli *psli = &phba->sli; + LIST_HEAD(completions); if ((phba->link_state == LPFC_HBA_ERROR) || (phba->pport->load_flag & FC_UNLOADING) || @@ -540,49 +606,88 @@ lpfc_hb_timeout_handler(struct lpfc_hba *phba) } spin_unlock_irq(&phba->pport->work_port_lock); - /* If there is no heart beat outstanding, issue a heartbeat command */ - if (!phba->hb_outstanding) { - pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); - if (!pmboxq) { - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); - return; + if (phba->elsbuf_cnt && + (phba->elsbuf_cnt == phba->elsbuf_prev_cnt)) { + spin_lock_irq(&phba->hbalock); + list_splice_init(&phba->elsbuf, &completions); + phba->elsbuf_cnt = 0; + phba->elsbuf_prev_cnt = 0; + spin_unlock_irq(&phba->hbalock); + + while (!list_empty(&completions)) { + list_remove_head(&completions, buf_ptr, + struct lpfc_dmabuf, list); + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); } + } + phba->elsbuf_prev_cnt = phba->elsbuf_cnt; - lpfc_heart_beat(phba, pmboxq); - pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; - pmboxq->vport = phba->pport; - retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); + /* If there is no heart beat outstanding, issue a heartbeat command */ + if (phba->cfg_enable_hba_heartbeat) { + if (!phba->hb_outstanding) { + pmboxq = mempool_alloc(phba->mbox_mem_pool,GFP_KERNEL); + if (!pmboxq) { + mod_timer(&phba->hb_tmofunc, + jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + return; + } - if (retval != MBX_BUSY && retval != MBX_SUCCESS) { - mempool_free(pmboxq, phba->mbox_mem_pool); + lpfc_heart_beat(phba, pmboxq); + pmboxq->mbox_cmpl = lpfc_hb_mbox_cmpl; + pmboxq->vport = phba->pport; + retval = lpfc_sli_issue_mbox(phba, pmboxq, MBX_NOWAIT); + + if (retval != MBX_BUSY && retval != MBX_SUCCESS) { + mempool_free(pmboxq, phba->mbox_mem_pool); + mod_timer(&phba->hb_tmofunc, + jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + return; + } mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_INTERVAL); + jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); + phba->hb_outstanding = 1; return; + } else { + /* + * If heart beat timeout called with hb_outstanding set + * we need to take the HBA offline. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0459 Adapter heartbeat failure, " + "taking this port offline.\n"); + + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + + lpfc_offline_prep(phba); + lpfc_offline(phba); + lpfc_unblock_mgmt_io(phba); + phba->link_state = LPFC_HBA_ERROR; + lpfc_hba_down_post(phba); } - mod_timer(&phba->hb_tmofunc, - jiffies + HZ * LPFC_HB_MBOX_TIMEOUT); - phba->hb_outstanding = 1; - return; - } else { - /* - * If heart beat timeout called with hb_outstanding set we - * need to take the HBA offline. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "0459 Adapter heartbeat failure, taking " - "this port offline.\n"); + } +} - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); +static void +lpfc_offline_eratt(struct lpfc_hba *phba) +{ + struct lpfc_sli *psli = &phba->sli; - lpfc_offline_prep(phba); - lpfc_offline(phba); - lpfc_unblock_mgmt_io(phba); - phba->link_state = LPFC_HBA_ERROR; - lpfc_hba_down_post(phba); - } + spin_lock_irq(&phba->hbalock); + psli->sli_flag &= ~LPFC_SLI2_ACTIVE; + spin_unlock_irq(&phba->hbalock); + lpfc_offline_prep(phba); + + lpfc_offline(phba); + lpfc_reset_barrier(phba); + lpfc_sli_brdreset(phba); + lpfc_hba_down_post(phba); + lpfc_sli_brdready(phba, HS_MBRDY); + lpfc_unblock_mgmt_io(phba); + phba->link_state = LPFC_HBA_ERROR; + return; } /************************************************************************/ @@ -601,6 +706,8 @@ lpfc_handle_eratt(struct lpfc_hba *phba) struct lpfc_sli_ring *pring; struct lpfc_vport **vports; uint32_t event_data; + unsigned long temperature; + struct temp_event temp_event_data; struct Scsi_Host *shost; int i; @@ -608,6 +715,9 @@ lpfc_handle_eratt(struct lpfc_hba *phba) * since we cannot communicate with the pci card anyway. */ if (pci_channel_offline(phba->pcidev)) return; + /* If resets are disabled then leave the HBA alone and return */ + if (!phba->cfg_enable_hba_reset) + return; if (phba->work_hs & HS_FFER6 || phba->work_hs & HS_FFER5) { @@ -620,14 +730,14 @@ lpfc_handle_eratt(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for(i = 0; - i < LPFC_MAX_VPORTS && vports[i] != NULL; + i <= phba->max_vpi && vports[i] != NULL; i++){ shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->fc_flag |= FC_ESTABLISH_LINK; spin_unlock_irq(shost->host_lock); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); spin_lock_irq(&phba->hbalock); psli->sli_flag &= ~LPFC_SLI2_ACTIVE; spin_unlock_irq(&phba->hbalock); @@ -655,6 +765,31 @@ lpfc_handle_eratt(struct lpfc_hba *phba) return; } lpfc_unblock_mgmt_io(phba); + } else if (phba->work_hs & HS_CRIT_TEMP) { + temperature = readl(phba->MBslimaddr + TEMPERATURE_OFFSET); + temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; + temp_event_data.event_code = LPFC_CRIT_TEMP; + temp_event_data.data = (uint32_t)temperature; + + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0459 Adapter maximum temperature exceeded " + "(%ld), taking this port offline " + "Data: x%x x%x x%x\n", + temperature, phba->work_hs, + phba->work_status[0], phba->work_status[1]); + + shost = lpfc_shost_from_vport(phba->pport); + fc_host_post_vendor_event(shost, fc_get_event_number(), + sizeof(temp_event_data), + (char *) &temp_event_data, + SCSI_NL_VID_TYPE_PCI + | PCI_VENDOR_ID_EMULEX); + + spin_lock_irq(&phba->hbalock); + phba->over_temp_state = HBA_OVER_TEMP; + spin_unlock_irq(&phba->hbalock); + lpfc_offline_eratt(phba); + } else { /* The if clause above forces this code path when the status * failure is a value other than FFER6. Do not call the offline @@ -672,14 +807,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba) sizeof(event_data), (char *) &event_data, SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); - spin_lock_irq(&phba->hbalock); - psli->sli_flag &= ~LPFC_SLI2_ACTIVE; - spin_unlock_irq(&phba->hbalock); - lpfc_offline_prep(phba); - lpfc_offline(phba); - lpfc_unblock_mgmt_io(phba); - phba->link_state = LPFC_HBA_ERROR; - lpfc_hba_down_post(phba); + lpfc_offline_eratt(phba); } } @@ -699,21 +827,25 @@ lpfc_handle_latt(struct lpfc_hba *phba) LPFC_MBOXQ_t *pmb; volatile uint32_t control; struct lpfc_dmabuf *mp; - int rc = -ENOMEM; + int rc = 0; pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); - if (!pmb) + if (!pmb) { + rc = 1; goto lpfc_handle_latt_err_exit; + } mp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); - if (!mp) + if (!mp) { + rc = 2; goto lpfc_handle_latt_free_pmb; + } mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); - if (!mp->virt) + if (!mp->virt) { + rc = 3; goto lpfc_handle_latt_free_mp; - - rc = -EIO; + } /* Cleanup any outstanding ELS commands */ lpfc_els_flush_all_cmd(phba); @@ -722,9 +854,11 @@ lpfc_handle_latt(struct lpfc_hba *phba) lpfc_read_la(phba, pmb, mp); pmb->mbox_cmpl = lpfc_mbx_cmpl_read_la; pmb->vport = vport; - rc = lpfc_sli_issue_mbox (phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB)); - if (rc == MBX_NOT_FINISHED) + rc = lpfc_sli_issue_mbox (phba, pmb, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + rc = 4; goto lpfc_handle_latt_free_mbuf; + } /* Clear Link Attention in HA REG */ spin_lock_irq(&phba->hbalock); @@ -756,10 +890,8 @@ lpfc_handle_latt_err_exit: lpfc_linkdown(phba); phba->link_state = LPFC_HBA_ERROR; - /* The other case is an error from issue_mbox */ - if (rc == -ENOMEM) - lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, - "0300 READ_LA: no buffers\n"); + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX, + "0300 LATT: Cannot issue READ_LA: Data:%d\n", rc); return; } @@ -1088,9 +1220,8 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, /* Allocate buffer to post */ mp1 = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); if (mp1) - mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, - &mp1->phys); - if (mp1 == 0 || mp1->virt == 0) { + mp1->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp1->phys); + if (!mp1 || !mp1->virt) { kfree(mp1); lpfc_sli_release_iocbq(phba, iocb); pring->missbufcnt = cnt; @@ -1104,7 +1235,7 @@ lpfc_post_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, int cnt, if (mp2) mp2->virt = lpfc_mbuf_alloc(phba, MEM_PRI, &mp2->phys); - if (mp2 == 0 || mp2->virt == 0) { + if (!mp2 || !mp2->virt) { kfree(mp2); lpfc_mbuf_free(phba, mp1->virt, mp1->phys); kfree(mp1); @@ -1280,15 +1411,39 @@ lpfc_hba_init(struct lpfc_hba *phba, uint32_t *hbainit) kfree(HashWorking); } -static void +void lpfc_cleanup(struct lpfc_vport *vport) { + struct lpfc_hba *phba = vport->phba; struct lpfc_nodelist *ndlp, *next_ndlp; + int i = 0; - /* clean up phba - lpfc specific */ - lpfc_can_disctmo(vport); - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) - lpfc_nlp_put(ndlp); + if (phba->link_state > LPFC_LINK_DOWN) + lpfc_port_link_failure(vport); + + list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { + if (ndlp->nlp_type & NLP_FABRIC) + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RECOVERY); + lpfc_disc_state_machine(vport, ndlp, NULL, + NLP_EVT_DEVICE_RM); + } + + /* At this point, ALL ndlp's should be gone + * because of the previous NLP_EVT_DEVICE_RM. + * Lets wait for this to happen, if needed. + */ + while (!list_empty(&vport->fc_nodes)) { + + if (i++ > 3000) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0233 Nodelist not empty\n"); + break; + } + + /* Wait for any activity on ndlps to settle */ + msleep(10); + } return; } @@ -1307,14 +1462,14 @@ lpfc_establish_link_tmo(unsigned long ptr) phba->pport->fc_flag, phba->pport->port_state); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { struct Scsi_Host *shost; shost = lpfc_shost_from_vport(vports[i]); spin_lock_irqsave(shost->host_lock, iflag); vports[i]->fc_flag &= ~FC_ESTABLISH_LINK; spin_unlock_irqrestore(shost->host_lock, iflag); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); } void @@ -1339,6 +1494,16 @@ lpfc_stop_phba_timers(struct lpfc_hba *phba) return; } +static void +lpfc_block_mgmt_io(struct lpfc_hba * phba) +{ + unsigned long iflag; + + spin_lock_irqsave(&phba->hbalock, iflag); + phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; + spin_unlock_irqrestore(&phba->hbalock, iflag); +} + int lpfc_online(struct lpfc_hba *phba) { @@ -1369,7 +1534,7 @@ lpfc_online(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { struct Scsi_Host *shost; shost = lpfc_shost_from_vport(vports[i]); spin_lock_irq(shost->host_lock); @@ -1378,23 +1543,13 @@ lpfc_online(struct lpfc_hba *phba) vports[i]->fc_flag |= FC_VPORT_NEEDS_REG_VPI; spin_unlock_irq(shost->host_lock); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); lpfc_unblock_mgmt_io(phba); return 0; } void -lpfc_block_mgmt_io(struct lpfc_hba * phba) -{ - unsigned long iflag; - - spin_lock_irqsave(&phba->hbalock, iflag); - phba->sli.sli_flag |= LPFC_BLOCK_MGMT_IO; - spin_unlock_irqrestore(&phba->hbalock, iflag); -} - -void lpfc_unblock_mgmt_io(struct lpfc_hba * phba) { unsigned long iflag; @@ -1409,6 +1564,8 @@ lpfc_offline_prep(struct lpfc_hba * phba) { struct lpfc_vport *vport = phba->pport; struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_vport **vports; + int i; if (vport->fc_flag & FC_OFFLINE_MODE) return; @@ -1417,10 +1574,34 @@ lpfc_offline_prep(struct lpfc_hba * phba) lpfc_linkdown(phba); - /* Issue an unreg_login to all nodes */ - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) - if (ndlp->nlp_state != NLP_STE_UNUSED_NODE) - lpfc_unreg_rpi(vport, ndlp); + /* Issue an unreg_login to all nodes on all vports */ + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { + struct Scsi_Host *shost; + + if (vports[i]->load_flag & FC_UNLOADING) + continue; + shost = lpfc_shost_from_vport(vports[i]); + list_for_each_entry_safe(ndlp, next_ndlp, + &vports[i]->fc_nodes, + nlp_listp) { + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) + continue; + if (ndlp->nlp_type & NLP_FABRIC) { + lpfc_disc_state_machine(vports[i], ndlp, + NULL, NLP_EVT_DEVICE_RECOVERY); + lpfc_disc_state_machine(vports[i], ndlp, + NULL, NLP_EVT_DEVICE_RM); + } + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_ADISC; + spin_unlock_irq(shost->host_lock); + lpfc_unreg_rpi(vports[i], ndlp); + } + } + } + lpfc_destroy_vport_work_array(phba, vports); lpfc_sli_flush_mbox_queue(phba); } @@ -1439,9 +1620,9 @@ lpfc_offline(struct lpfc_hba *phba) lpfc_stop_phba_timers(phba); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) lpfc_stop_vport_timers(vports[i]); - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, "0460 Bring Adapter offline\n"); /* Bring down the SLI Layer and cleanup. The HBA is offline @@ -1452,15 +1633,14 @@ lpfc_offline(struct lpfc_hba *phba) spin_unlock_irq(&phba->hbalock); vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { shost = lpfc_shost_from_vport(vports[i]); - lpfc_cleanup(vports[i]); spin_lock_irq(shost->host_lock); vports[i]->work_port_events = 0; vports[i]->fc_flag |= FC_OFFLINE_MODE; spin_unlock_irq(shost->host_lock); } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); } /****************************************************************************** @@ -1674,6 +1854,8 @@ void lpfc_host_attrib_init(struct Scsi_Host *shost) fc_host_supported_speeds(shost) = 0; if (phba->lmt & LMT_10Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_10GBIT; + if (phba->lmt & LMT_8Gb) + fc_host_supported_speeds(shost) |= FC_PORTSPEED_8GBIT; if (phba->lmt & LMT_4Gb) fc_host_supported_speeds(shost) |= FC_PORTSPEED_4GBIT; if (phba->lmt & LMT_2Gb) @@ -1707,13 +1889,14 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) struct Scsi_Host *shost = NULL; void *ptr; unsigned long bar0map_len, bar2map_len; - int error = -ENODEV; + int error = -ENODEV, retval; int i, hbq_count; uint16_t iotag; + int bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device(pdev)) + if (pci_enable_device_bars(pdev, bars)) goto out; - if (pci_request_regions(pdev, LPFC_DRIVER_NAME)) + if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) goto out_disable_device; phba = kzalloc(sizeof (struct lpfc_hba), GFP_KERNEL); @@ -1823,9 +2006,11 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) lpfc_sli_setup(phba); lpfc_sli_queue_setup(phba); - error = lpfc_mem_alloc(phba); - if (error) + retval = lpfc_mem_alloc(phba); + if (retval) { + error = retval; goto out_free_hbqslimp; + } /* Initialize and populate the iocb list per host. */ INIT_LIST_HEAD(&phba->lpfc_iocb_list); @@ -1880,6 +2065,9 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) /* Initialize list of fabric iocbs */ INIT_LIST_HEAD(&phba->fabric_iocb_list); + /* Initialize list to save ELS buffers */ + INIT_LIST_HEAD(&phba->elsbuf); + vport = lpfc_create_port(phba, phba->brd_no, &phba->pcidev->dev); if (!vport) goto out_kthread_stop; @@ -1891,8 +2079,8 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) pci_set_drvdata(pdev, shost); if (phba->cfg_use_msi) { - error = pci_enable_msi(phba->pcidev); - if (!error) + retval = pci_enable_msi(phba->pcidev); + if (!retval) phba->using_msi = 1; else lpfc_printf_log(phba, KERN_INFO, LOG_INIT, @@ -1900,11 +2088,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) "with IRQ\n"); } - error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, + retval = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED, LPFC_DRIVER_NAME, phba); - if (error) { + if (retval) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0451 Enable interrupt handler failed\n"); + error = retval; goto out_disable_msi; } @@ -1914,11 +2103,15 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) phba->HSregaddr = phba->ctrl_regs_memmap_p + HS_REG_OFFSET; phba->HCregaddr = phba->ctrl_regs_memmap_p + HC_REG_OFFSET; - if (lpfc_alloc_sysfs_attr(vport)) + if (lpfc_alloc_sysfs_attr(vport)) { + error = -ENOMEM; goto out_free_irq; + } - if (lpfc_sli_hba_setup(phba)) + if (lpfc_sli_hba_setup(phba)) { + error = -ENODEV; goto out_remove_device; + } /* * hba setup may have changed the hba_queue_depth so we need to adjust @@ -1975,7 +2168,7 @@ out_idr_remove: out_free_phba: kfree(phba); out_release_regions: - pci_release_regions(pdev); + pci_release_selected_regions(pdev, bars); out_disable_device: pci_disable_device(pdev); out: @@ -1991,6 +2184,8 @@ lpfc_pci_remove_one(struct pci_dev *pdev) struct Scsi_Host *shost = pci_get_drvdata(pdev); struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata; struct lpfc_hba *phba = vport->phba; + int bars = pci_select_bars(pdev, IORESOURCE_MEM); + spin_lock_irq(&phba->hbalock); vport->load_flag |= FC_UNLOADING; spin_unlock_irq(&phba->hbalock); @@ -1998,8 +2193,12 @@ lpfc_pci_remove_one(struct pci_dev *pdev) kfree(vport->vname); lpfc_free_sysfs_attr(vport); + kthread_stop(phba->worker_thread); + fc_remove_host(shost); scsi_remove_host(shost); + lpfc_cleanup(vport); + /* * Bring down the SLI Layer. This step disable all interrupts, * clears the rings, discards all mailbox commands, and resets @@ -2014,9 +2213,6 @@ lpfc_pci_remove_one(struct pci_dev *pdev) spin_unlock_irq(&phba->hbalock); lpfc_debugfs_terminate(vport); - lpfc_cleanup(vport); - - kthread_stop(phba->worker_thread); /* Release the irq reservation */ free_irq(phba->pcidev->irq, phba); @@ -2048,7 +2244,7 @@ lpfc_pci_remove_one(struct pci_dev *pdev) kfree(phba); - pci_release_regions(pdev); + pci_release_selected_regions(pdev, bars); pci_disable_device(pdev); } @@ -2239,12 +2435,22 @@ lpfc_init(void) printk(LPFC_MODULE_DESC "\n"); printk(LPFC_COPYRIGHT "\n"); + if (lpfc_enable_npiv) { + lpfc_transport_functions.vport_create = lpfc_vport_create; + lpfc_transport_functions.vport_delete = lpfc_vport_delete; + } lpfc_transport_template = fc_attach_transport(&lpfc_transport_functions); - lpfc_vport_transport_template = - fc_attach_transport(&lpfc_vport_transport_functions); - if (!lpfc_transport_template || !lpfc_vport_transport_template) + if (lpfc_transport_template == NULL) return -ENOMEM; + if (lpfc_enable_npiv) { + lpfc_vport_transport_template = + fc_attach_transport(&lpfc_vport_transport_functions); + if (lpfc_vport_transport_template == NULL) { + fc_release_transport(lpfc_transport_template); + return -ENOMEM; + } + } error = pci_register_driver(&lpfc_driver); if (error) { fc_release_transport(lpfc_transport_template); @@ -2259,7 +2465,8 @@ lpfc_exit(void) { pci_unregister_driver(&lpfc_driver); fc_release_transport(lpfc_transport_template); - fc_release_transport(lpfc_vport_transport_template); + if (lpfc_enable_npiv) + fc_release_transport(lpfc_vport_transport_template); } module_init(lpfc_init); diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index 626e4d878725..c5841d7565f7 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -26,6 +26,7 @@ #define LOG_IP 0x20 /* IP traffic history */ #define LOG_FCP 0x40 /* FCP traffic history */ #define LOG_NODE 0x80 /* Node table events */ +#define LOG_TEMP 0x100 /* Temperature sensor events */ #define LOG_MISC 0x400 /* Miscellaneous events */ #define LOG_SLI 0x800 /* SLI events */ #define LOG_FCP_ERROR 0x1000 /* log errors, not underruns */ diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c index a592733664e9..dfc63f6ccd7b 100644 --- a/drivers/scsi/lpfc/lpfc_mbox.c +++ b/drivers/scsi/lpfc/lpfc_mbox.c @@ -82,6 +82,24 @@ lpfc_read_nv(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb) } /**********************************************/ +/* lpfc_config_async Issue a */ +/* MBX_ASYNC_EVT_ENABLE mailbox command */ +/**********************************************/ +void +lpfc_config_async(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb, + uint32_t ring) +{ + MAILBOX_t *mb; + + mb = &pmb->mb; + memset(pmb, 0, sizeof (LPFC_MBOXQ_t)); + mb->mbxCommand = MBX_ASYNCEVT_ENABLE; + mb->un.varCfgAsyncEvent.ring = ring; + mb->mbxOwner = OWN_HOST; + return; +} + +/**********************************************/ /* lpfc_heart_beat Issue a HEART_BEAT */ /* mailbox command */ /**********************************************/ @@ -270,8 +288,10 @@ lpfc_read_sparam(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb, int vpi) /* Get a buffer to hold the HBAs Service Parameters */ - if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == 0) || - ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) { + mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (mp) + mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); + if (!mp || !mp->virt) { kfree(mp); mb->mbxCommand = MBX_READ_SPARM64; /* READ_SPARAM: no buffers */ @@ -369,8 +389,10 @@ lpfc_reg_login(struct lpfc_hba *phba, uint16_t vpi, uint32_t did, mb->mbxOwner = OWN_HOST; /* Get a buffer to hold NPorts Service Parameters */ - if (((mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL)) == NULL) || - ((mp->virt = lpfc_mbuf_alloc(phba, 0, &(mp->phys))) == 0)) { + mp = kmalloc(sizeof (struct lpfc_dmabuf), GFP_KERNEL); + if (mp) + mp->virt = lpfc_mbuf_alloc(phba, 0, &mp->phys); + if (!mp || !mp->virt) { kfree(mp); mb->mbxCommand = MBX_REG_LOGIN64; /* REG_LOGIN: no buffers */ @@ -874,7 +896,7 @@ lpfc_mbox_tmo_val(struct lpfc_hba *phba, int cmd) case MBX_DOWN_LOAD: /* 0x1C */ case MBX_DEL_LD_ENTRY: /* 0x1D */ case MBX_LOAD_AREA: /* 0x81 */ - case MBX_FLASH_WR_ULA: /* 0x98 */ + case MBX_WRITE_WWN: /* 0x98 */ case MBX_LOAD_EXP_ROM: /* 0x9C */ return LPFC_MBOX_TMO_FLASH_CMD; } diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 43c3b8a0d76a..6dc5ab8d6716 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -98,6 +98,7 @@ lpfc_mem_alloc(struct lpfc_hba * phba) fail_free_hbq_pool: lpfc_sli_hbqbuf_free_all(phba); + pci_pool_destroy(phba->lpfc_hbq_pool); fail_free_nlp_mem_pool: mempool_destroy(phba->nlp_mem_pool); phba->nlp_mem_pool = NULL; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 880af0cd463d..4a0e3406e37a 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -287,6 +287,24 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; lp = (uint32_t *) pcmd->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (wwn_to_u64(sp->portName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0140 PLOGI Reject: invalid nname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_PNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } + if (wwn_to_u64(sp->nodeName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0141 PLOGI Reject: invalid pname\n"); + stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; + stat.un.b.lsRjtRsnCodeExp = LSEXP_INVALID_NNAME; + lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, + NULL); + return 0; + } if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3) == 0)) { /* Reject this request because invalid parameters */ stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; @@ -343,8 +361,7 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, lpfc_config_link(phba, mbox); mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl; mbox->vport = vport; - rc = lpfc_sli_issue_mbox - (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB)); + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { mempool_free(mbox, phba->mbox_mem_pool); goto out; @@ -407,6 +424,61 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp, mbox); return 1; } + + /* If the remote NPort logs into us, before we can initiate + * discovery to them, cleanup the NPort from discovery accordingly. + */ + if (ndlp->nlp_state == NLP_STE_NPR_NODE) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_DELAY_TMO; + spin_unlock_irq(shost->host_lock); + del_timer_sync(&ndlp->nlp_delayfunc); + ndlp->nlp_last_elscmd = 0; + + if (!list_empty(&ndlp->els_retry_evt.evt_listp)) + list_del_init(&ndlp->els_retry_evt.evt_listp); + + if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; + spin_unlock_irq(shost->host_lock); + + if ((ndlp->nlp_flag & NLP_ADISC_SND) && + (vport->num_disc_nodes)) { + /* Check to see if there are more + * ADISCs to be sent + */ + lpfc_more_adisc(vport); + + if ((vport->num_disc_nodes == 0) && + (vport->fc_npr_cnt)) + lpfc_els_disc_plogi(vport); + + if (vport->num_disc_nodes == 0) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + lpfc_end_rscn(vport); + } + } + else if (vport->num_disc_nodes) { + /* Check to see if there are more + * PLOGIs to be sent + */ + lpfc_more_plogi(vport); + + if (vport->num_disc_nodes == 0) { + spin_lock_irq(shost->host_lock); + vport->fc_flag &= ~FC_NDISC_ACTIVE; + spin_unlock_irq(shost->host_lock); + lpfc_can_disctmo(vport); + lpfc_end_rscn(vport); + } + } + } + } + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); return 1; @@ -501,12 +573,9 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_unlock_irq(shost->host_lock); ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; - ndlp->nlp_prev_state = ndlp->nlp_state; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); - } else { - ndlp->nlp_prev_state = ndlp->nlp_state; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); } + ndlp->nlp_prev_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; @@ -594,6 +663,25 @@ lpfc_disc_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, return ndlp->nlp_state; } +static uint32_t +lpfc_cmpl_plogi_illegal(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + /* This transition is only legal if we previously + * rcv'ed a PLOGI. Since we don't want 2 discovery threads + * working on the same NPortID, do nothing for this thread + * to stop it. + */ + if (!(ndlp->nlp_flag & NLP_RCV_PLOGI)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, + "0253 Illegal State Transition: node x%x " + "event x%x, state x%x Data: x%x x%x\n", + ndlp->nlp_DID, evt, ndlp->nlp_state, ndlp->nlp_rpi, + ndlp->nlp_flag); + } + return ndlp->nlp_state; +} + /* Start of Discovery State Machine routines */ static uint32_t @@ -605,11 +693,8 @@ lpfc_rcv_plogi_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, cmdiocb = (struct lpfc_iocbq *) arg; if (lpfc_rcv_plogi(vport, ndlp, cmdiocb)) { - ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } - lpfc_drop_node(vport, ndlp); return NLP_STE_FREED_NODE; } @@ -618,7 +703,6 @@ lpfc_rcv_els_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { lpfc_issue_els_logo(vport, ndlp, 0); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } @@ -633,7 +717,6 @@ lpfc_rcv_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, ndlp->nlp_flag |= NLP_LOGO_ACC; spin_unlock_irq(shost->host_lock); lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); return ndlp->nlp_state; } @@ -642,7 +725,6 @@ static uint32_t lpfc_cmpl_logo_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { - lpfc_drop_node(vport, ndlp); return NLP_STE_FREED_NODE; } @@ -650,7 +732,6 @@ static uint32_t lpfc_device_rm_unused_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { - lpfc_drop_node(vport, ndlp); return NLP_STE_FREED_NODE; } @@ -752,6 +833,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, uint32_t evt) { struct lpfc_hba *phba = vport->phba; + struct Scsi_Host *shost = lpfc_shost_from_vport(vport); struct lpfc_iocbq *cmdiocb, *rspiocb; struct lpfc_dmabuf *pcmd, *prsp, *mp; uint32_t *lp; @@ -778,6 +860,12 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, lp = (uint32_t *) prsp->virt; sp = (struct serv_parm *) ((uint8_t *) lp + sizeof (uint32_t)); + if (wwn_to_u64(sp->portName.u.wwn) == 0 || + wwn_to_u64(sp->nodeName.u.wwn) == 0) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, + "0142 PLOGI RSP: Invalid WWN.\n"); + goto out; + } if (!lpfc_check_sparm(vport, ndlp, sp, CLASS3)) goto out; /* PLOGI chkparm OK */ @@ -828,13 +916,15 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_vport *vport, } mbox->context2 = lpfc_nlp_get(ndlp); mbox->vport = vport; - if (lpfc_sli_issue_mbox(phba, mbox, - (MBX_NOWAIT | MBX_STOP_IOCB)) + if (lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT) != MBX_NOT_FINISHED) { lpfc_nlp_set_state(vport, ndlp, NLP_STE_REG_LOGIN_ISSUE); return ndlp->nlp_state; } + /* decrement node reference count to the failed mbox + * command + */ lpfc_nlp_put(ndlp); mp = (struct lpfc_dmabuf *) mbox->context1; lpfc_mbuf_free(phba, mp->virt, mp->phys); @@ -864,13 +954,27 @@ out: "0261 Cannot Register NameServer login\n"); } - /* Free this node since the driver cannot login or has the wrong - sparm */ - lpfc_drop_node(vport, ndlp); + spin_lock_irq(shost->host_lock); + ndlp->nlp_flag |= NLP_DEFER_RM; + spin_unlock_irq(shost->host_lock); return NLP_STE_FREED_NODE; } static uint32_t +lpfc_cmpl_logo_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, + void *arg, uint32_t evt) +{ + return ndlp->nlp_state; +} + +static uint32_t +lpfc_cmpl_reglogin_plogi_issue(struct lpfc_vport *vport, + struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) +{ + return ndlp->nlp_state; +} + +static uint32_t lpfc_device_rm_plogi_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, void *arg, uint32_t evt) { @@ -1137,7 +1241,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc_vport *vport, (ndlp == (struct lpfc_nodelist *) mb->context2)) { mp = (struct lpfc_dmabuf *) (mb->context1); if (mp) { - lpfc_mbuf_free(phba, mp->virt, mp->phys); + __lpfc_mbuf_free(phba, mp->virt, mp->phys); kfree(mp); } lpfc_nlp_put(ndlp); @@ -1197,8 +1301,8 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport, * retry discovery. */ if (mb->mbxStatus == MBXERR_RPI_FULL) { - ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); return ndlp->nlp_state; } @@ -1378,7 +1482,7 @@ out: lpfc_issue_els_logo(vport, ndlp, 0); ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; - lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNUSED_NODE); + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); return ndlp->nlp_state; } @@ -1753,7 +1857,7 @@ lpfc_cmpl_plogi_npr_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, irsp = &rspiocb->iocb; if (irsp->ulpStatus) { - lpfc_drop_node(vport, ndlp); + ndlp->nlp_flag |= NLP_DEFER_RM; return NLP_STE_FREED_NODE; } return ndlp->nlp_state; @@ -1942,9 +2046,9 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_els_plogi_issue, /* RCV_PRLO */ lpfc_cmpl_plogi_plogi_issue, /* CMPL_PLOGI */ lpfc_disc_illegal, /* CMPL_PRLI */ - lpfc_disc_illegal, /* CMPL_LOGO */ + lpfc_cmpl_logo_plogi_issue, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ - lpfc_disc_illegal, /* CMPL_REG_LOGIN */ + lpfc_cmpl_reglogin_plogi_issue,/* CMPL_REG_LOGIN */ lpfc_device_rm_plogi_issue, /* DEVICE_RM */ lpfc_device_recov_plogi_issue, /* DEVICE_RECOVERY */ @@ -1968,7 +2072,7 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_padisc_reglogin_issue, /* RCV_ADISC */ lpfc_rcv_padisc_reglogin_issue, /* RCV_PDISC */ lpfc_rcv_prlo_reglogin_issue, /* RCV_PRLO */ - lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ lpfc_disc_illegal, /* CMPL_PRLI */ lpfc_disc_illegal, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ @@ -1982,7 +2086,7 @@ static uint32_t (*lpfc_disc_action[NLP_STE_MAX_STATE * NLP_EVT_MAX_EVENT]) lpfc_rcv_padisc_prli_issue, /* RCV_ADISC */ lpfc_rcv_padisc_prli_issue, /* RCV_PDISC */ lpfc_rcv_prlo_prli_issue, /* RCV_PRLO */ - lpfc_disc_illegal, /* CMPL_PLOGI */ + lpfc_cmpl_plogi_illegal, /* CMPL_PLOGI */ lpfc_cmpl_prli_prli_issue, /* CMPL_PRLI */ lpfc_disc_illegal, /* CMPL_LOGO */ lpfc_disc_illegal, /* CMPL_ADISC */ diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 4e46045dea6d..6483c62730b3 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -130,7 +130,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { shost = lpfc_shost_from_vport(vports[i]); shost_for_each_device(sdev, shost) { new_queue_depth = @@ -151,7 +151,7 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) new_queue_depth); } } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); atomic_set(&phba->num_rsrc_err, 0); atomic_set(&phba->num_cmd_success, 0); } @@ -166,7 +166,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) vports = lpfc_create_vport_work_array(phba); if (vports != NULL) - for(i = 0; i < LPFC_MAX_VPORTS && vports[i] != NULL; i++) { + for(i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { shost = lpfc_shost_from_vport(vports[i]); shost_for_each_device(sdev, shost) { if (sdev->ordered_tags) @@ -179,7 +179,7 @@ lpfc_ramp_up_queue_handler(struct lpfc_hba *phba) sdev->queue_depth+1); } } - lpfc_destroy_vport_work_array(vports); + lpfc_destroy_vport_work_array(phba, vports); atomic_set(&phba->num_rsrc_err, 0); atomic_set(&phba->num_cmd_success, 0); } @@ -380,7 +380,7 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) (num_bde * sizeof (struct ulp_bde64)); iocb_cmd->ulpBdeCount = 1; iocb_cmd->ulpLe = 1; - fcp_cmnd->fcpDl = be32_to_cpu(scsi_bufflen(scsi_cmnd)); + fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd)); return 0; } @@ -542,6 +542,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, int result; struct scsi_device *sdev, *tmp_sdev; int depth = 0; + unsigned long flags; lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4]; lpfc_cmd->status = pIocbOut->iocb.ulpStatus; @@ -608,6 +609,15 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, cmd->scsi_done(cmd); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + /* + * If there is a thread waiting for command completion + * wake up the thread. + */ + spin_lock_irqsave(sdev->host->host_lock, flags); + lpfc_cmd->pCmd = NULL; + if (lpfc_cmd->waitq) + wake_up(lpfc_cmd->waitq); + spin_unlock_irqrestore(sdev->host->host_lock, flags); lpfc_release_scsi_buf(phba, lpfc_cmd); return; } @@ -669,6 +679,16 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, } } + /* + * If there is a thread waiting for command completion + * wake up the thread. + */ + spin_lock_irqsave(sdev->host->host_lock, flags); + lpfc_cmd->pCmd = NULL; + if (lpfc_cmd->waitq) + wake_up(lpfc_cmd->waitq); + spin_unlock_irqrestore(sdev->host->host_lock, flags); + lpfc_release_scsi_buf(phba, lpfc_cmd); } @@ -743,6 +763,8 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd, piocbq->iocb.ulpContext = pnode->nlp_rpi; if (pnode->nlp_fcp_info & NLP_FCP_2_DEVICE) piocbq->iocb.ulpFCP2Rcvy = 1; + else + piocbq->iocb.ulpFCP2Rcvy = 0; piocbq->iocb.ulpClass = (pnode->nlp_fcp_info & 0x0f); piocbq->context1 = lpfc_cmd; @@ -1018,8 +1040,8 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) struct lpfc_iocbq *abtsiocb; struct lpfc_scsi_buf *lpfc_cmd; IOCB_t *cmd, *icmd; - unsigned int loop_count = 0; int ret = SUCCESS; + DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq); lpfc_block_error_handler(cmnd); lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble; @@ -1074,17 +1096,15 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd) if (phba->cfg_poll & DISABLE_FCP_RING_INT) lpfc_sli_poll_fcp_ring (phba); + lpfc_cmd->waitq = &waitq; /* Wait for abort to complete */ - while (lpfc_cmd->pCmd == cmnd) - { - if (phba->cfg_poll & DISABLE_FCP_RING_INT) - lpfc_sli_poll_fcp_ring (phba); + wait_event_timeout(waitq, + (lpfc_cmd->pCmd != cmnd), + (2*vport->cfg_devloss_tmo*HZ)); - schedule_timeout_uninterruptible(LPFC_ABORT_WAIT * HZ); - if (++loop_count - > (2 * vport->cfg_devloss_tmo)/LPFC_ABORT_WAIT) - break; - } + spin_lock_irq(shost->host_lock); + lpfc_cmd->waitq = NULL; + spin_unlock_irq(shost->host_lock); if (lpfc_cmd->pCmd == cmnd) { ret = FAILED; @@ -1438,7 +1458,7 @@ struct scsi_host_template lpfc_template = { .slave_destroy = lpfc_slave_destroy, .scan_finished = lpfc_scan_finished, .this_id = -1, - .sg_tablesize = LPFC_SG_SEG_CNT, + .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT, .use_sg_chaining = ENABLE_SG_CHAINING, .cmd_per_lun = LPFC_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, @@ -1459,7 +1479,7 @@ struct scsi_host_template lpfc_vport_template = { .slave_destroy = lpfc_slave_destroy, .scan_finished = lpfc_scan_finished, .this_id = -1, - .sg_tablesize = LPFC_SG_SEG_CNT, + .sg_tablesize = LPFC_DEFAULT_SG_SEG_CNT, .cmd_per_lun = LPFC_CMD_PER_LUN, .use_clustering = ENABLE_CLUSTERING, .use_sg_chaining = ENABLE_SG_CHAINING, diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h index 31787bb6d53e..daba92374985 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.h +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -138,6 +138,7 @@ struct lpfc_scsi_buf { * Iotag is in here */ struct lpfc_iocbq cur_iocbq; + wait_queue_head_t *waitq; }; #define LPFC_SCSI_DMA_EXT_SIZE 264 diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index ce348c5c706c..fdd01e384e36 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -106,7 +106,7 @@ lpfc_sli_get_iocbq(struct lpfc_hba *phba) return iocbq; } -void +static void __lpfc_sli_release_iocbq(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq) { size_t start_clean = offsetof(struct lpfc_iocbq, iocb); @@ -199,6 +199,7 @@ lpfc_sli_iocb_cmd_type(uint8_t iocb_cmnd) case CMD_RCV_ELS_REQ_CX: case CMD_RCV_SEQUENCE64_CX: case CMD_RCV_ELS_REQ64_CX: + case CMD_ASYNC_STATUS: case CMD_IOCB_RCV_SEQ64_CX: case CMD_IOCB_RCV_ELS64_CX: case CMD_IOCB_RCV_CONT64_CX: @@ -473,8 +474,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) if (pring->txq_cnt && lpfc_is_link_up(phba) && (pring->ringno != phba->sli.fcp_ring || - phba->sli.sli_flag & LPFC_PROCESS_LA) && - !(pring->flag & LPFC_STOP_IOCB_MBX)) { + phba->sli.sli_flag & LPFC_PROCESS_LA)) { while ((iocb = lpfc_sli_next_iocb_slot(phba, pring)) && (nextiocb = lpfc_sli_ringtx_get(phba, pring))) @@ -489,32 +489,7 @@ lpfc_sli_resume_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) return; } -/* lpfc_sli_turn_on_ring is only called by lpfc_sli_handle_mb_event below */ -static void -lpfc_sli_turn_on_ring(struct lpfc_hba *phba, int ringno) -{ - struct lpfc_pgp *pgp = (phba->sli_rev == 3) ? - &phba->slim2p->mbx.us.s3_pgp.port[ringno] : - &phba->slim2p->mbx.us.s2.port[ringno]; - unsigned long iflags; - - /* If the ring is active, flag it */ - spin_lock_irqsave(&phba->hbalock, iflags); - if (phba->sli.ring[ringno].cmdringaddr) { - if (phba->sli.ring[ringno].flag & LPFC_STOP_IOCB_MBX) { - phba->sli.ring[ringno].flag &= ~LPFC_STOP_IOCB_MBX; - /* - * Force update of the local copy of cmdGetInx - */ - phba->sli.ring[ringno].local_getidx - = le32_to_cpu(pgp->cmdGetInx); - lpfc_sli_resume_iocb(phba, &phba->sli.ring[ringno]); - } - } - spin_unlock_irqrestore(&phba->hbalock, iflags); -} - -struct lpfc_hbq_entry * +static struct lpfc_hbq_entry * lpfc_sli_next_hbq_slot(struct lpfc_hba *phba, uint32_t hbqno) { struct hbq_s *hbqp = &phba->hbqs[hbqno]; @@ -565,6 +540,7 @@ lpfc_sli_hbqbuf_free_all(struct lpfc_hba *phba) list_del(&hbq_buf->dbuf.list); (phba->hbqs[i].hbq_free_buffer)(phba, hbq_buf); } + phba->hbqs[i].buffer_count = 0; } } @@ -633,8 +609,8 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) return 0; } - start = lpfc_hbq_defs[hbqno]->buffer_count; - end = count + lpfc_hbq_defs[hbqno]->buffer_count; + start = phba->hbqs[hbqno].buffer_count; + end = count + start; if (end > lpfc_hbq_defs[hbqno]->entry_count) { end = lpfc_hbq_defs[hbqno]->entry_count; } @@ -646,7 +622,7 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count) return 1; hbq_buffer->tag = (i | (hbqno << 16)); if (lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer)) - lpfc_hbq_defs[hbqno]->buffer_count++; + phba->hbqs[hbqno].buffer_count++; else (phba->hbqs[hbqno].hbq_free_buffer)(phba, hbq_buffer); } @@ -660,14 +636,14 @@ lpfc_sli_hbqbuf_add_hbqs(struct lpfc_hba *phba, uint32_t qno) lpfc_hbq_defs[qno]->add_count)); } -int +static int lpfc_sli_hbqbuf_init_hbqs(struct lpfc_hba *phba, uint32_t qno) { return(lpfc_sli_hbqbuf_fill_hbqs(phba, qno, lpfc_hbq_defs[qno]->init_count)); } -struct hbq_dmabuf * +static struct hbq_dmabuf * lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) { struct lpfc_dmabuf *d_buf; @@ -686,7 +662,7 @@ lpfc_sli_hbqbuf_find(struct lpfc_hba *phba, uint32_t tag) } lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_VPORT, "1803 Bad hbq tag. Data: x%x x%x\n", - tag, lpfc_hbq_defs[tag >> 16]->buffer_count); + tag, phba->hbqs[tag >> 16].buffer_count); return NULL; } @@ -712,6 +688,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_LOAD_SM: case MBX_READ_NV: case MBX_WRITE_NV: + case MBX_WRITE_VPARMS: case MBX_RUN_BIU_DIAG: case MBX_INIT_LINK: case MBX_DOWN_LINK: @@ -739,7 +716,7 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_DEL_LD_ENTRY: case MBX_RUN_PROGRAM: case MBX_SET_MASK: - case MBX_SET_SLIM: + case MBX_SET_VARIABLE: case MBX_UNREG_D_ID: case MBX_KILL_BOARD: case MBX_CONFIG_FARP: @@ -751,9 +728,10 @@ lpfc_sli_chk_mbx_command(uint8_t mbxCommand) case MBX_READ_RPI64: case MBX_REG_LOGIN64: case MBX_READ_LA64: - case MBX_FLASH_WR_ULA: + case MBX_WRITE_WWN: case MBX_SET_DEBUG: case MBX_LOAD_EXP_ROM: + case MBX_ASYNCEVT_ENABLE: case MBX_REG_VPI: case MBX_UNREG_VPI: case MBX_HEARTBEAT: @@ -953,6 +931,17 @@ lpfc_sli_replace_hbqbuff(struct lpfc_hba *phba, uint32_t tag) return &new_hbq_entry->dbuf; } +static struct lpfc_dmabuf * +lpfc_sli_get_buff(struct lpfc_hba *phba, + struct lpfc_sli_ring *pring, + uint32_t tag) +{ + if (tag & QUE_BUFTAG_BIT) + return lpfc_sli_ring_taggedbuf_get(phba, pring, tag); + else + return lpfc_sli_replace_hbqbuff(phba, tag); +} + static int lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *saveq) @@ -961,19 +950,112 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, WORD5 * w5p; uint32_t Rctl, Type; uint32_t match, i; + struct lpfc_iocbq *iocbq; match = 0; irsp = &(saveq->iocb); - if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) - || (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) - || (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX) - || (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX)) { + + if (irsp->ulpStatus == IOSTAT_NEED_BUFFER) + return 1; + if (irsp->ulpCommand == CMD_ASYNC_STATUS) { + if (pring->lpfc_sli_rcv_async_status) + pring->lpfc_sli_rcv_async_status(phba, pring, saveq); + else + lpfc_printf_log(phba, + KERN_WARNING, + LOG_SLI, + "0316 Ring %d handler: unexpected " + "ASYNC_STATUS iocb received evt_code " + "0x%x\n", + pring->ringno, + irsp->un.asyncstat.evt_code); + return 1; + } + + if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { + if (irsp->ulpBdeCount != 0) { + saveq->context2 = lpfc_sli_get_buff(phba, pring, + irsp->un.ulpWord[3]); + if (!saveq->context2) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0341 Ring %d Cannot find buffer for " + "an unsolicited iocb. tag 0x%x\n", + pring->ringno, + irsp->un.ulpWord[3]); + } + if (irsp->ulpBdeCount == 2) { + saveq->context3 = lpfc_sli_get_buff(phba, pring, + irsp->unsli3.sli3Words[7]); + if (!saveq->context3) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0342 Ring %d Cannot find buffer for an" + " unsolicited iocb. tag 0x%x\n", + pring->ringno, + irsp->unsli3.sli3Words[7]); + } + list_for_each_entry(iocbq, &saveq->list, list) { + irsp = &(iocbq->iocb); + if (irsp->ulpBdeCount != 0) { + iocbq->context2 = lpfc_sli_get_buff(phba, pring, + irsp->un.ulpWord[3]); + if (!iocbq->context2) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0343 Ring %d Cannot find " + "buffer for an unsolicited iocb" + ". tag 0x%x\n", pring->ringno, + irsp->un.ulpWord[3]); + } + if (irsp->ulpBdeCount == 2) { + iocbq->context3 = lpfc_sli_get_buff(phba, pring, + irsp->unsli3.sli3Words[7]); + if (!iocbq->context3) + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0344 Ring %d Cannot find " + "buffer for an unsolicited " + "iocb. tag 0x%x\n", + pring->ringno, + irsp->unsli3.sli3Words[7]); + } + } + } + if (irsp->ulpBdeCount != 0 && + (irsp->ulpCommand == CMD_IOCB_RCV_CONT64_CX || + irsp->ulpStatus == IOSTAT_INTERMED_RSP)) { + int found = 0; + + /* search continue save q for same XRI */ + list_for_each_entry(iocbq, &pring->iocb_continue_saveq, clist) { + if (iocbq->iocb.ulpContext == saveq->iocb.ulpContext) { + list_add_tail(&saveq->list, &iocbq->list); + found = 1; + break; + } + } + if (!found) + list_add_tail(&saveq->clist, + &pring->iocb_continue_saveq); + if (saveq->iocb.ulpStatus != IOSTAT_INTERMED_RSP) { + list_del_init(&iocbq->clist); + saveq = iocbq; + irsp = &(saveq->iocb); + } else + return 0; + } + if ((irsp->ulpCommand == CMD_RCV_ELS_REQ64_CX) || + (irsp->ulpCommand == CMD_RCV_ELS_REQ_CX) || + (irsp->ulpCommand == CMD_IOCB_RCV_ELS64_CX)) { Rctl = FC_ELS_REQ; Type = FC_ELS_DATA; } else { - w5p = - (WORD5 *) & (saveq->iocb.un. - ulpWord[5]); + w5p = (WORD5 *)&(saveq->iocb.un.ulpWord[5]); Rctl = w5p->hcsw.Rctl; Type = w5p->hcsw.Type; @@ -988,15 +1070,6 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } } - if (phba->sli3_options & LPFC_SLI3_HBQ_ENABLED) { - if (irsp->ulpBdeCount != 0) - saveq->context2 = lpfc_sli_replace_hbqbuff(phba, - irsp->un.ulpWord[3]); - if (irsp->ulpBdeCount == 2) - saveq->context3 = lpfc_sli_replace_hbqbuff(phba, - irsp->unsli3.sli3Words[7]); - } - /* unSolicited Responses */ if (pring->prt[0].profile) { if (pring->prt[0].lpfc_sli_rcv_unsol_event) @@ -1006,12 +1079,9 @@ lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, } else { /* We must search, based on rctl / type for the right routine */ - for (i = 0; i < pring->num_mask; - i++) { - if ((pring->prt[i].rctl == - Rctl) - && (pring->prt[i]. - type == Type)) { + for (i = 0; i < pring->num_mask; i++) { + if ((pring->prt[i].rctl == Rctl) + && (pring->prt[i].type == Type)) { if (pring->prt[i].lpfc_sli_rcv_unsol_event) (pring->prt[i].lpfc_sli_rcv_unsol_event) (phba, pring, saveq); @@ -1084,6 +1154,12 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, IOSTAT_LOCAL_REJECT; saveq->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; + + /* Firmware could still be in progress + * of DMAing payload, so don't free data + * buffer till after a hbeat. + */ + saveq->iocb_flag |= LPFC_DELAY_MEM_FREE; } } (cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq); @@ -1572,12 +1648,7 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, writel(pring->rspidx, &phba->host_gp[pring->ringno].rspGetInx); - if (list_empty(&(pring->iocb_continueq))) { - list_add(&rspiocbp->list, &(pring->iocb_continueq)); - } else { - list_add_tail(&rspiocbp->list, - &(pring->iocb_continueq)); - } + list_add_tail(&rspiocbp->list, &(pring->iocb_continueq)); pring->iocb_continueq_cnt++; if (irsp->ulpLe) { @@ -1642,17 +1713,17 @@ lpfc_sli_handle_slow_ring_event(struct lpfc_hba *phba, iocb_cmd_type = irsp->ulpCommand & CMD_IOCB_MASK; type = lpfc_sli_iocb_cmd_type(iocb_cmd_type); if (type == LPFC_SOL_IOCB) { - spin_unlock_irqrestore(&phba->hbalock, - iflag); + spin_unlock_irqrestore(&phba->hbalock, iflag); rc = lpfc_sli_process_sol_iocb(phba, pring, saveq); spin_lock_irqsave(&phba->hbalock, iflag); } else if (type == LPFC_UNSOL_IOCB) { - spin_unlock_irqrestore(&phba->hbalock, - iflag); + spin_unlock_irqrestore(&phba->hbalock, iflag); rc = lpfc_sli_process_unsol_iocb(phba, pring, saveq); spin_lock_irqsave(&phba->hbalock, iflag); + if (!rc) + free_saveq = 0; } else if (type == LPFC_ABORT_IOCB) { if ((irsp->ulpCommand != CMD_XRI_ABORTED_CX) && ((cmdiocbp = @@ -1921,8 +1992,8 @@ lpfc_sli_brdkill(struct lpfc_hba *phba) "0329 Kill HBA Data: x%x x%x\n", phba->pport->port_state, psli->sli_flag); - if ((pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, - GFP_KERNEL)) == 0) + pmb = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!pmb) return 1; /* Disable the error attention */ @@ -2113,7 +2184,10 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) <status> */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0436 Adapter failed to init, " - "timeout, status reg x%x\n", status); + "timeout, status reg x%x, " + "FW Data: A8 x%x AC x%x\n", status, + readl(phba->MBslimaddr + 0xa8), + readl(phba->MBslimaddr + 0xac)); phba->link_state = LPFC_HBA_ERROR; return -ETIMEDOUT; } @@ -2125,7 +2199,10 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) <status> */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0437 Adapter failed to init, " - "chipset, status reg x%x\n", status); + "chipset, status reg x%x, " + "FW Data: A8 x%x AC x%x\n", status, + readl(phba->MBslimaddr + 0xa8), + readl(phba->MBslimaddr + 0xac)); phba->link_state = LPFC_HBA_ERROR; return -EIO; } @@ -2153,7 +2230,10 @@ lpfc_sli_chipset_init(struct lpfc_hba *phba) /* Adapter failed to init, chipset, status reg <status> */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0438 Adapter failed to init, chipset, " - "status reg x%x\n", status); + "status reg x%x, " + "FW Data: A8 x%x AC x%x\n", status, + readl(phba->MBslimaddr + 0xa8), + readl(phba->MBslimaddr + 0xac)); phba->link_state = LPFC_HBA_ERROR; return -EIO; } @@ -2485,11 +2565,16 @@ lpfc_mbox_timeout_handler(struct lpfc_hba *phba) lpfc_sli_abort_iocb_ring(phba, pring); lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, - "0316 Resetting board due to mailbox timeout\n"); + "0345 Resetting board due to mailbox timeout\n"); /* * lpfc_offline calls lpfc_sli_hba_down which will clean up * on oustanding mailbox commands. */ + /* If resets are disabled then set error state and return. */ + if (!phba->cfg_enable_hba_reset) { + phba->link_state = LPFC_HBA_ERROR; + return; + } lpfc_offline_prep(phba); lpfc_offline(phba); lpfc_sli_brdrestart(phba); @@ -2507,6 +2592,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) uint32_t status, evtctr; uint32_t ha_copy; int i; + unsigned long timeout; unsigned long drvr_flag = 0; volatile uint32_t word0, ldata; void __iomem *to_slim; @@ -2519,7 +2605,7 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) "1806 Mbox x%x failed. No vport\n", pmbox->mb.mbxCommand); dump_stack(); - return MBXERR_ERROR; + return MBX_NOT_FINISHED; } } @@ -2571,21 +2657,6 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) return MBX_NOT_FINISHED; } - /* Handle STOP IOCB processing flag. This is only meaningful - * if we are not polling for mbox completion. - */ - if (flag & MBX_STOP_IOCB) { - flag &= ~MBX_STOP_IOCB; - /* Now flag each ring */ - for (i = 0; i < psli->num_rings; i++) { - /* If the ring is active, flag it */ - if (psli->ring[i].cmdringaddr) { - psli->ring[i].flag |= - LPFC_STOP_IOCB_MBX; - } - } - } - /* Another mailbox command is still being processed, queue this * command to be processed later. */ @@ -2620,23 +2691,6 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) return MBX_BUSY; } - /* Handle STOP IOCB processing flag. This is only meaningful - * if we are not polling for mbox completion. - */ - if (flag & MBX_STOP_IOCB) { - flag &= ~MBX_STOP_IOCB; - if (flag == MBX_NOWAIT) { - /* Now flag each ring */ - for (i = 0; i < psli->num_rings; i++) { - /* If the ring is active, flag it */ - if (psli->ring[i].cmdringaddr) { - psli->ring[i].flag |= - LPFC_STOP_IOCB_MBX; - } - } - } - } - psli->sli_flag |= LPFC_SLI_MBOX_ACTIVE; /* If we are not polling, we MUST be in SLI2 mode */ @@ -2714,18 +2768,24 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) } wmb(); - /* interrupt board to doit right away */ - writel(CA_MBATT, phba->CAregaddr); - readl(phba->CAregaddr); /* flush */ switch (flag) { case MBX_NOWAIT: - /* Don't wait for it to finish, just return */ + /* Set up reference to mailbox command */ psli->mbox_active = pmbox; + /* Interrupt board to do it */ + writel(CA_MBATT, phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + /* Don't wait for it to finish, just return */ break; case MBX_POLL: + /* Set up null reference to mailbox command */ psli->mbox_active = NULL; + /* Interrupt board to do it */ + writel(CA_MBATT, phba->CAregaddr); + readl(phba->CAregaddr); /* flush */ + if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* First read mbox status word */ word0 = *((volatile uint32_t *)&phba->slim2p->mbx); @@ -2737,15 +2797,15 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) /* Read the HBA Host Attention Register */ ha_copy = readl(phba->HAregaddr); - - i = lpfc_mbox_tmo_val(phba, mb->mbxCommand); - i *= 1000; /* Convert to ms */ - + timeout = msecs_to_jiffies(lpfc_mbox_tmo_val(phba, + mb->mbxCommand) * + 1000) + jiffies; + i = 0; /* Wait for command to complete */ while (((word0 & OWN_CHIP) == OWN_CHIP) || (!(ha_copy & HA_MBATT) && (phba->link_state > LPFC_WARM_START))) { - if (i-- <= 0) { + if (time_after(jiffies, timeout)) { psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; spin_unlock_irqrestore(&phba->hbalock, drvr_flag); @@ -2758,12 +2818,12 @@ lpfc_sli_issue_mbox(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmbox, uint32_t flag) && (evtctr != psli->slistat.mbox_event)) break; - spin_unlock_irqrestore(&phba->hbalock, - drvr_flag); - - msleep(1); - - spin_lock_irqsave(&phba->hbalock, drvr_flag); + if (i++ > 10) { + spin_unlock_irqrestore(&phba->hbalock, + drvr_flag); + msleep(1); + spin_lock_irqsave(&phba->hbalock, drvr_flag); + } if (psli->sli_flag & LPFC_SLI2_ACTIVE) { /* First copy command data */ @@ -2848,7 +2908,7 @@ lpfc_sli_next_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* * Lockless version of lpfc_sli_issue_iocb. */ -int +static int __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb, uint32_t flag) { @@ -2879,9 +2939,9 @@ __lpfc_sli_issue_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, /* * Check to see if we are blocking IOCB processing because of a - * outstanding mbox command. + * outstanding event. */ - if (unlikely(pring->flag & LPFC_STOP_IOCB_MBX)) + if (unlikely(pring->flag & LPFC_STOP_IOCB_EVENT)) goto iocb_busy; if (unlikely(phba->link_state == LPFC_LINK_DOWN)) { @@ -2993,6 +3053,61 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba) return 0; } +static void +lpfc_sli_async_event_handler(struct lpfc_hba * phba, + struct lpfc_sli_ring * pring, struct lpfc_iocbq * iocbq) +{ + IOCB_t *icmd; + uint16_t evt_code; + uint16_t temp; + struct temp_event temp_event_data; + struct Scsi_Host *shost; + + icmd = &iocbq->iocb; + evt_code = icmd->un.asyncstat.evt_code; + temp = icmd->ulpContext; + + if ((evt_code != ASYNC_TEMP_WARN) && + (evt_code != ASYNC_TEMP_SAFE)) { + lpfc_printf_log(phba, + KERN_ERR, + LOG_SLI, + "0346 Ring %d handler: unexpected ASYNC_STATUS" + " evt_code 0x%x\n", + pring->ringno, + icmd->un.asyncstat.evt_code); + return; + } + temp_event_data.data = (uint32_t)temp; + temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT; + if (evt_code == ASYNC_TEMP_WARN) { + temp_event_data.event_code = LPFC_THRESHOLD_TEMP; + lpfc_printf_log(phba, + KERN_ERR, + LOG_TEMP, + "0347 Adapter is very hot, please take " + "corrective action. temperature : %d Celsius\n", + temp); + } + if (evt_code == ASYNC_TEMP_SAFE) { + temp_event_data.event_code = LPFC_NORMAL_TEMP; + lpfc_printf_log(phba, + KERN_ERR, + LOG_TEMP, + "0340 Adapter temperature is OK now. " + "temperature : %d Celsius\n", + temp); + } + + /* Send temperature change event to applications */ + shost = lpfc_shost_from_vport(phba->pport); + fc_host_post_vendor_event(shost, fc_get_event_number(), + sizeof(temp_event_data), (char *) &temp_event_data, + SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX); + +} + + int lpfc_sli_setup(struct lpfc_hba *phba) { @@ -3059,6 +3174,8 @@ lpfc_sli_setup(struct lpfc_hba *phba) pring->fast_iotag = 0; pring->iotag_ctr = 0; pring->iotag_max = 4096; + pring->lpfc_sli_rcv_async_status = + lpfc_sli_async_event_handler; pring->num_mask = 4; pring->prt[0].profile = 0; /* Mask 0 */ pring->prt[0].rctl = FC_ELS_REQ; @@ -3123,6 +3240,7 @@ lpfc_sli_queue_setup(struct lpfc_hba *phba) INIT_LIST_HEAD(&pring->txq); INIT_LIST_HEAD(&pring->txcmplq); INIT_LIST_HEAD(&pring->iocb_continueq); + INIT_LIST_HEAD(&pring->iocb_continue_saveq); INIT_LIST_HEAD(&pring->postbufq); } spin_unlock_irq(&phba->hbalock); @@ -3193,6 +3311,7 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) LIST_HEAD(completions); struct lpfc_sli *psli = &phba->sli; struct lpfc_sli_ring *pring; + struct lpfc_dmabuf *buf_ptr; LPFC_MBOXQ_t *pmb; struct lpfc_iocbq *iocb; IOCB_t *cmd = NULL; @@ -3232,6 +3351,19 @@ lpfc_sli_hba_down(struct lpfc_hba *phba) } } + spin_lock_irqsave(&phba->hbalock, flags); + list_splice_init(&phba->elsbuf, &completions); + phba->elsbuf_cnt = 0; + phba->elsbuf_prev_cnt = 0; + spin_unlock_irqrestore(&phba->hbalock, flags); + + while (!list_empty(&completions)) { + list_remove_head(&completions, buf_ptr, + struct lpfc_dmabuf, list); + lpfc_mbuf_free(phba, buf_ptr->virt, buf_ptr->phys); + kfree(buf_ptr); + } + /* Return any active mbox cmds */ del_timer_sync(&psli->mbox_tmo); spin_lock_irqsave(&phba->hbalock, flags); @@ -3294,6 +3426,47 @@ lpfc_sli_ringpostbuf_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, return 0; } +uint32_t +lpfc_sli_get_buffer_tag(struct lpfc_hba *phba) +{ + spin_lock_irq(&phba->hbalock); + phba->buffer_tag_count++; + /* + * Always set the QUE_BUFTAG_BIT to distiguish between + * a tag assigned by HBQ. + */ + phba->buffer_tag_count |= QUE_BUFTAG_BIT; + spin_unlock_irq(&phba->hbalock); + return phba->buffer_tag_count; +} + +struct lpfc_dmabuf * +lpfc_sli_ring_taggedbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, + uint32_t tag) +{ + struct lpfc_dmabuf *mp, *next_mp; + struct list_head *slp = &pring->postbufq; + + /* Search postbufq, from the begining, looking for a match on tag */ + spin_lock_irq(&phba->hbalock); + list_for_each_entry_safe(mp, next_mp, &pring->postbufq, list) { + if (mp->buffer_tag == tag) { + list_del_init(&mp->list); + pring->postbufq_cnt--; + spin_unlock_irq(&phba->hbalock); + return mp; + } + } + + spin_unlock_irq(&phba->hbalock); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "0410 Cannot find virtual addr for buffer tag on " + "ring %d Data x%lx x%p x%p x%x\n", + pring->ringno, (unsigned long) tag, + slp->next, slp->prev, pring->postbufq_cnt); + + return NULL; +} struct lpfc_dmabuf * lpfc_sli_ringpostbuf_get(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, @@ -3361,6 +3534,12 @@ lpfc_sli_abort_els_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, pring->txcmplq_cnt--; spin_unlock_irq(&phba->hbalock); + /* Firmware could still be in progress of DMAing + * payload, so don't free data buffer till after + * a hbeat. + */ + abort_iocb->iocb_flag |= LPFC_DELAY_MEM_FREE; + abort_iocb->iocb_flag &= ~LPFC_DRIVER_ABORTED; abort_iocb->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; abort_iocb->iocb.un.ulpWord[4] = IOERR_SLI_ABORTED; @@ -3699,7 +3878,7 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq, unsigned long flag; /* The caller must leave context1 empty. */ - if (pmboxq->context1 != 0) + if (pmboxq->context1) return MBX_NOT_FINISHED; /* setup wake call as IOCB callback */ @@ -3771,7 +3950,6 @@ lpfc_intr_handler(int irq, void *dev_id) uint32_t ha_copy; uint32_t work_ha_copy; unsigned long status; - int i; uint32_t control; MAILBOX_t *mbox, *pmbox; @@ -3888,7 +4066,6 @@ lpfc_intr_handler(int irq, void *dev_id) } if (work_ha_copy & HA_ERATT) { - phba->link_state = LPFC_HBA_ERROR; /* * There was a link/board error. Read the * status register to retrieve the error event @@ -3920,7 +4097,7 @@ lpfc_intr_handler(int irq, void *dev_id) * Stray Mailbox Interrupt, mbxCommand <cmd> * mbxStatus <status> */ - lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX | + lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI, "(%d):0304 Stray Mailbox " "Interrupt mbxCommand x%x " @@ -3928,51 +4105,60 @@ lpfc_intr_handler(int irq, void *dev_id) (vport ? vport->vpi : 0), pmbox->mbxCommand, pmbox->mbxStatus); - } - phba->last_completion_time = jiffies; - del_timer_sync(&phba->sli.mbox_tmo); - - phba->sli.mbox_active = NULL; - if (pmb->mbox_cmpl) { - lpfc_sli_pcimem_bcopy(mbox, pmbox, - MAILBOX_CMD_SIZE); - } - if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { - pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; + /* clear mailbox attention bit */ + work_ha_copy &= ~HA_MBATT; + } else { + phba->last_completion_time = jiffies; + del_timer(&phba->sli.mbox_tmo); - lpfc_debugfs_disc_trc(vport, - LPFC_DISC_TRC_MBOX_VPORT, - "MBOX dflt rpi: : status:x%x rpi:x%x", - (uint32_t)pmbox->mbxStatus, - pmbox->un.varWords[0], 0); - - if ( !pmbox->mbxStatus) { - mp = (struct lpfc_dmabuf *) - (pmb->context1); - ndlp = (struct lpfc_nodelist *) - pmb->context2; - - /* Reg_LOGIN of dflt RPI was successful. - * new lets get rid of the RPI using the - * same mbox buffer. - */ - lpfc_unreg_login(phba, vport->vpi, - pmbox->un.varWords[0], pmb); - pmb->mbox_cmpl = lpfc_mbx_cmpl_dflt_rpi; - pmb->context1 = mp; - pmb->context2 = ndlp; - pmb->vport = vport; - spin_lock(&phba->hbalock); - phba->sli.sli_flag &= - ~LPFC_SLI_MBOX_ACTIVE; - spin_unlock(&phba->hbalock); - goto send_current_mbox; + phba->sli.mbox_active = NULL; + if (pmb->mbox_cmpl) { + lpfc_sli_pcimem_bcopy(mbox, pmbox, + MAILBOX_CMD_SIZE); + } + if (pmb->mbox_flag & LPFC_MBX_IMED_UNREG) { + pmb->mbox_flag &= ~LPFC_MBX_IMED_UNREG; + + lpfc_debugfs_disc_trc(vport, + LPFC_DISC_TRC_MBOX_VPORT, + "MBOX dflt rpi: : " + "status:x%x rpi:x%x", + (uint32_t)pmbox->mbxStatus, + pmbox->un.varWords[0], 0); + + if (!pmbox->mbxStatus) { + mp = (struct lpfc_dmabuf *) + (pmb->context1); + ndlp = (struct lpfc_nodelist *) + pmb->context2; + + /* Reg_LOGIN of dflt RPI was + * successful. new lets get + * rid of the RPI using the + * same mbox buffer. + */ + lpfc_unreg_login(phba, + vport->vpi, + pmbox->un.varWords[0], + pmb); + pmb->mbox_cmpl = + lpfc_mbx_cmpl_dflt_rpi; + pmb->context1 = mp; + pmb->context2 = ndlp; + pmb->vport = vport; + spin_lock(&phba->hbalock); + phba->sli.sli_flag &= + ~LPFC_SLI_MBOX_ACTIVE; + spin_unlock(&phba->hbalock); + goto send_current_mbox; + } } + spin_lock(&phba->pport->work_port_lock); + phba->pport->work_port_events &= + ~WORKER_MBOX_TMO; + spin_unlock(&phba->pport->work_port_lock); + lpfc_mbox_cmpl_put(phba, pmb); } - spin_lock(&phba->pport->work_port_lock); - phba->pport->work_port_events &= ~WORKER_MBOX_TMO; - spin_unlock(&phba->pport->work_port_lock); - lpfc_mbox_cmpl_put(phba, pmb); } if ((work_ha_copy & HA_MBATT) && (phba->sli.mbox_active == NULL)) { @@ -3990,10 +4176,6 @@ send_current_mbox: lpfc_mbox_cmpl_put(phba, pmb); goto send_next_mbox; } - } else { - /* Turn on IOCB processing */ - for (i = 0; i < phba->sli.num_rings; i++) - lpfc_sli_turn_on_ring(phba, i); } } diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 51b2b6b949be..7249fd252cbb 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -33,6 +33,7 @@ typedef enum _lpfc_ctx_cmd { struct lpfc_iocbq { /* lpfc_iocbqs are used in double linked lists */ struct list_head list; + struct list_head clist; uint16_t iotag; /* pre-assigned IO tag */ uint16_t rsvd1; @@ -44,6 +45,7 @@ struct lpfc_iocbq { #define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */ #define LPFC_DRIVER_ABORTED 8 /* driver aborted this request */ #define LPFC_IO_FABRIC 0x10 /* Iocb send using fabric scheduler */ +#define LPFC_DELAY_MEM_FREE 0x20 /* Defer free'ing of FC data */ uint8_t abort_count; uint8_t rsvd2; @@ -92,8 +94,6 @@ typedef struct lpfcMboxq { #define MBX_POLL 1 /* poll mailbox till command done, then return */ #define MBX_NOWAIT 2 /* issue command then return immediately */ -#define MBX_STOP_IOCB 4 /* Stop iocb processing till mbox cmds - complete */ #define LPFC_MAX_RING_MASK 4 /* max num of rctl/type masks allowed per ring */ @@ -129,9 +129,7 @@ struct lpfc_sli_ring { uint16_t flag; /* ring flags */ #define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */ #define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */ -#define LPFC_STOP_IOCB_MBX 0x010 /* Stop processing IOCB cmds mbox */ #define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */ -#define LPFC_STOP_IOCB_MASK 0x030 /* Stop processing IOCB cmds mask */ uint16_t abtsiotag; /* tracks next iotag to use for ABTS */ uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */ @@ -163,9 +161,12 @@ struct lpfc_sli_ring { struct list_head iocb_continueq; uint16_t iocb_continueq_cnt; /* current length of queue */ uint16_t iocb_continueq_max; /* max length */ + struct list_head iocb_continue_saveq; struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK]; uint32_t num_mask; /* number of mask entries in prt array */ + void (*lpfc_sli_rcv_async_status) (struct lpfc_hba *, + struct lpfc_sli_ring *, struct lpfc_iocbq *); struct lpfc_sli_ring_stat stats; /* SLI statistical info */ @@ -199,9 +200,6 @@ struct lpfc_hbq_init { uint32_t add_count; /* number to allocate when starved */ } ; -#define LPFC_MAX_HBQ 16 - - /* Structure used to hold SLI statistical counters and info */ struct lpfc_sli_stat { uint64_t mbox_stat_err; /* Mbox cmds completed status error */ diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 0081f49286bc..4b633d39a82a 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2007 Emulex. All rights reserved. * + * Copyright (C) 2004-2008 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,10 +18,10 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.2.2" +#define LPFC_DRIVER_VERSION "8.2.4" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_MODULE_DESC "Emulex LightPulse Fibre Channel SCSI driver " \ LPFC_DRIVER_VERSION -#define LPFC_COPYRIGHT "Copyright(c) 2004-2007 Emulex. All rights reserved." +#define LPFC_COPYRIGHT "Copyright(c) 2004-2008 Emulex. All rights reserved." diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c index dcb415e717c3..9fad7663c117 100644 --- a/drivers/scsi/lpfc/lpfc_vport.c +++ b/drivers/scsi/lpfc/lpfc_vport.c @@ -125,15 +125,26 @@ lpfc_vport_sparm(struct lpfc_hba *phba, struct lpfc_vport *vport) pmb->vport = vport; rc = lpfc_sli_issue_mbox_wait(phba, pmb, phba->fc_ratov * 2); if (rc != MBX_SUCCESS) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT, - "1818 VPort failed init, mbxCmd x%x " - "READ_SPARM mbxStatus x%x, rc = x%x\n", - mb->mbxCommand, mb->mbxStatus, rc); - lpfc_mbuf_free(phba, mp->virt, mp->phys); - kfree(mp); - if (rc != MBX_TIMEOUT) - mempool_free(pmb, phba->mbox_mem_pool); - return -EIO; + if (signal_pending(current)) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT, + "1830 Signal aborted mbxCmd x%x\n", + mb->mbxCommand); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + if (rc != MBX_TIMEOUT) + mempool_free(pmb, phba->mbox_mem_pool); + return -EINTR; + } else { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT | LOG_VPORT, + "1818 VPort failed init, mbxCmd x%x " + "READ_SPARM mbxStatus x%x, rc = x%x\n", + mb->mbxCommand, mb->mbxStatus, rc); + lpfc_mbuf_free(phba, mp->virt, mp->phys); + kfree(mp); + if (rc != MBX_TIMEOUT) + mempool_free(pmb, phba->mbox_mem_pool); + return -EIO; + } } memcpy(&vport->fc_sparam, mp->virt, sizeof (struct serv_parm)); @@ -204,6 +215,7 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable) int instance; int vpi; int rc = VPORT_ERROR; + int status; if ((phba->sli_rev < 3) || !(phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)) { @@ -248,13 +260,19 @@ lpfc_vport_create(struct fc_vport *fc_vport, bool disable) vport->vpi = vpi; lpfc_debugfs_initialize(vport); - if (lpfc_vport_sparm(phba, vport)) { - lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT, - "1813 Create VPORT failed. " - "Cannot get sparam\n"); + if ((status = lpfc_vport_sparm(phba, vport))) { + if (status == -EINTR) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT, + "1831 Create VPORT Interrupted.\n"); + rc = VPORT_ERROR; + } else { + lpfc_printf_vlog(vport, KERN_ERR, LOG_VPORT, + "1813 Create VPORT failed. " + "Cannot get sparam\n"); + rc = VPORT_NORESOURCES; + } lpfc_free_vpi(phba, vpi); destroy_port(vport); - rc = VPORT_NORESOURCES; goto error_out; } @@ -427,7 +445,6 @@ int lpfc_vport_delete(struct fc_vport *fc_vport) { struct lpfc_nodelist *ndlp = NULL; - struct lpfc_nodelist *next_ndlp; struct Scsi_Host *shost = (struct Scsi_Host *) fc_vport->shost; struct lpfc_vport *vport = *(struct lpfc_vport **)fc_vport->dd_data; struct lpfc_hba *phba = vport->phba; @@ -482,8 +499,18 @@ lpfc_vport_delete(struct fc_vport *fc_vport) ndlp = lpfc_findnode_did(phba->pport, Fabric_DID); if (ndlp && ndlp->nlp_state == NLP_STE_UNMAPPED_NODE && - phba->link_state >= LPFC_LINK_UP) { - + phba->link_state >= LPFC_LINK_UP) { + if (vport->cfg_enable_da_id) { + timeout = msecs_to_jiffies(phba->fc_ratov * 2000); + if (!lpfc_ns_cmd(vport, SLI_CTNS_DA_ID, 0, 0)) + while (vport->ct_flags && timeout) + timeout = schedule_timeout(timeout); + else + lpfc_printf_log(vport->phba, KERN_WARNING, + LOG_VPORT, + "1829 CT command failed to " + "delete objects on fabric. \n"); + } /* First look for the Fabric ndlp */ ndlp = lpfc_findnode_did(vport, Fabric_DID); if (!ndlp) { @@ -503,23 +530,20 @@ lpfc_vport_delete(struct fc_vport *fc_vport) } skip_logo: + lpfc_cleanup(vport); lpfc_sli_host_down(vport); - list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes, nlp_listp) { - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RECOVERY); - lpfc_disc_state_machine(vport, ndlp, NULL, - NLP_EVT_DEVICE_RM); - } - lpfc_stop_vport_timers(vport); lpfc_unreg_all_rpis(vport); - lpfc_unreg_default_rpis(vport); - /* - * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) does the - * scsi_host_put() to release the vport. - */ - lpfc_mbx_unreg_vpi(vport); + + if (!(phba->pport->load_flag & FC_UNLOADING)) { + lpfc_unreg_default_rpis(vport); + /* + * Completion of unreg_vpi (lpfc_mbx_cmpl_unreg_vpi) + * does the scsi_host_put() to release the vport. + */ + lpfc_mbx_unreg_vpi(vport); + } lpfc_free_vpi(phba, vport->vpi); vport->work_port_events = 0; @@ -532,16 +556,13 @@ skip_logo: return VPORT_OK; } -EXPORT_SYMBOL(lpfc_vport_create); -EXPORT_SYMBOL(lpfc_vport_delete); - struct lpfc_vport ** lpfc_create_vport_work_array(struct lpfc_hba *phba) { struct lpfc_vport *port_iterator; struct lpfc_vport **vports; int index = 0; - vports = kzalloc(LPFC_MAX_VPORTS * sizeof(struct lpfc_vport *), + vports = kzalloc((phba->max_vpi + 1) * sizeof(struct lpfc_vport *), GFP_KERNEL); if (vports == NULL) return NULL; @@ -560,12 +581,12 @@ lpfc_create_vport_work_array(struct lpfc_hba *phba) } void -lpfc_destroy_vport_work_array(struct lpfc_vport **vports) +lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports) { int i; if (vports == NULL) return; - for (i=0; vports[i] != NULL && i < LPFC_MAX_VPORTS; i++) + for (i=0; vports[i] != NULL && i <= phba->max_vpi; i++) scsi_host_put(lpfc_shost_from_vport(vports[i])); kfree(vports); } diff --git a/drivers/scsi/lpfc/lpfc_vport.h b/drivers/scsi/lpfc/lpfc_vport.h index 91da17751a37..96c445333b69 100644 --- a/drivers/scsi/lpfc/lpfc_vport.h +++ b/drivers/scsi/lpfc/lpfc_vport.h @@ -89,7 +89,7 @@ int lpfc_vport_delete(struct fc_vport *); int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *); int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint); struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *); -void lpfc_destroy_vport_work_array(struct lpfc_vport **); +void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **); /* * queuecommand VPORT-specific return codes. Specified in the host byte code. diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 66c652035730..765c24d2bc38 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -4889,7 +4889,7 @@ __megaraid_shutdown(adapter_t *adapter) mdelay(1000); } -static void +static void __devexit megaraid_remove_one(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index c8923108183a..24e32e446e76 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -300,7 +300,7 @@ static struct pci_device_id pci_id_table_g[] = { MODULE_DEVICE_TABLE(pci, pci_id_table_g); -static struct pci_driver megaraid_pci_driver_g = { +static struct pci_driver megaraid_pci_driver = { .name = "megaraid", .id_table = pci_id_table_g, .probe = megaraid_probe_one, @@ -394,7 +394,7 @@ megaraid_init(void) // register as a PCI hot-plug driver module - rval = pci_register_driver(&megaraid_pci_driver_g); + rval = pci_register_driver(&megaraid_pci_driver); if (rval < 0) { con_log(CL_ANN, (KERN_WARNING "megaraid: could not register hotplug support.\n")); @@ -415,7 +415,7 @@ megaraid_exit(void) con_log(CL_DLEVEL1, (KERN_NOTICE "megaraid: unloading framework\n")); // unregister as PCI hotplug driver - pci_unregister_driver(&megaraid_pci_driver_g); + pci_unregister_driver(&megaraid_pci_driver); return; } diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index e3c5c5282203..d7ec921865c4 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -2,7 +2,7 @@ * * Linux MegaRAID driver for SAS based RAID controllers * - * Copyright (c) 2003-2005 LSI Logic Corporation. + * Copyright (c) 2003-2005 LSI Corporation. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -10,7 +10,7 @@ * 2 of the License, or (at your option) any later version. * * FILE : megaraid_sas.c - * Version : v00.00.03.10-rc5 + * Version : v00.00.03.16-rc1 * * Authors: * (email-id : megaraidlinux@lsi.com) @@ -31,6 +31,7 @@ #include <linux/moduleparam.h> #include <linux/module.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/uio.h> @@ -46,10 +47,18 @@ #include <scsi/scsi_host.h> #include "megaraid_sas.h" +/* + * poll_mode_io:1- schedule complete completion from q cmd + */ +static unsigned int poll_mode_io; +module_param_named(poll_mode_io, poll_mode_io, int, 0); +MODULE_PARM_DESC(poll_mode_io, + "Complete cmds from IO path, (default=0)"); + MODULE_LICENSE("GPL"); MODULE_VERSION(MEGASAS_VERSION); MODULE_AUTHOR("megaraidlinux@lsi.com"); -MODULE_DESCRIPTION("LSI Logic MegaRAID SAS Driver"); +MODULE_DESCRIPTION("LSI MegaRAID SAS Driver"); /* * PCI ID table for all supported controllers @@ -76,6 +85,10 @@ static DEFINE_MUTEX(megasas_async_queue_mutex); static u32 megasas_dbg_lvl; +static void +megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, + u8 alt_status); + /** * megasas_get_cmd - Get a command from the free pool * @instance: Adapter soft state @@ -855,6 +868,12 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *)) atomic_inc(&instance->fw_outstanding); instance->instancet->fire_cmd(cmd->frame_phys_addr ,cmd->frame_count-1,instance->reg_set); + /* + * Check if we have pend cmds to be completed + */ + if (poll_mode_io && atomic_read(&instance->fw_outstanding)) + tasklet_schedule(&instance->isr_tasklet); + return 0; @@ -886,6 +905,64 @@ static int megasas_slave_configure(struct scsi_device *sdev) } /** + * megasas_complete_cmd_dpc - Returns FW's controller structure + * @instance_addr: Address of adapter soft state + * + * Tasklet to complete cmds + */ +static void megasas_complete_cmd_dpc(unsigned long instance_addr) +{ + u32 producer; + u32 consumer; + u32 context; + struct megasas_cmd *cmd; + struct megasas_instance *instance = + (struct megasas_instance *)instance_addr; + unsigned long flags; + + /* If we have already declared adapter dead, donot complete cmds */ + if (instance->hw_crit_error) + return; + + spin_lock_irqsave(&instance->completion_lock, flags); + + producer = *instance->producer; + consumer = *instance->consumer; + + while (consumer != producer) { + context = instance->reply_queue[consumer]; + + cmd = instance->cmd_list[context]; + + megasas_complete_cmd(instance, cmd, DID_OK); + + consumer++; + if (consumer == (instance->max_fw_cmds + 1)) { + consumer = 0; + } + } + + *instance->consumer = producer; + + spin_unlock_irqrestore(&instance->completion_lock, flags); + + /* + * Check if we can restore can_queue + */ + if (instance->flag & MEGASAS_FW_BUSY + && time_after(jiffies, instance->last_time + 5 * HZ) + && atomic_read(&instance->fw_outstanding) < 17) { + + spin_lock_irqsave(instance->host->host_lock, flags); + instance->flag &= ~MEGASAS_FW_BUSY; + instance->host->can_queue = + instance->max_fw_cmds - MEGASAS_INT_CMDS; + + spin_unlock_irqrestore(instance->host->host_lock, flags); + } +} + +/** * megasas_wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state * @@ -908,6 +985,11 @@ static int megasas_wait_for_outstanding(struct megasas_instance *instance) if (!(i % MEGASAS_RESET_NOTICE_INTERVAL)) { printk(KERN_NOTICE "megasas: [%2d]waiting for %d " "commands to complete\n",i,outstanding); + /* + * Call cmd completion routine. Cmd to be + * be completed directly without depending on isr. + */ + megasas_complete_cmd_dpc((unsigned long)instance); } msleep(1000); @@ -1100,7 +1182,7 @@ megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) static struct scsi_host_template megasas_template = { .module = THIS_MODULE, - .name = "LSI Logic SAS based MegaRAID driver", + .name = "LSI SAS based MegaRAID driver", .proc_name = "megaraid_sas", .slave_configure = megasas_slave_configure, .queuecommand = megasas_queue_command, @@ -1749,57 +1831,119 @@ megasas_get_ctrl_info(struct megasas_instance *instance, } /** - * megasas_complete_cmd_dpc - Returns FW's controller structure - * @instance_addr: Address of adapter soft state + * megasas_issue_init_mfi - Initializes the FW + * @instance: Adapter soft state * - * Tasklet to complete cmds + * Issues the INIT MFI cmd */ -static void megasas_complete_cmd_dpc(unsigned long instance_addr) +static int +megasas_issue_init_mfi(struct megasas_instance *instance) { - u32 producer; - u32 consumer; u32 context; + struct megasas_cmd *cmd; - struct megasas_instance *instance = (struct megasas_instance *)instance_addr; - unsigned long flags; - /* If we have already declared adapter dead, donot complete cmds */ - if (instance->hw_crit_error) - return; + struct megasas_init_frame *init_frame; + struct megasas_init_queue_info *initq_info; + dma_addr_t init_frame_h; + dma_addr_t initq_info_h; - producer = *instance->producer; - consumer = *instance->consumer; + /* + * Prepare a init frame. Note the init frame points to queue info + * structure. Each frame has SGL allocated after first 64 bytes. For + * this frame - since we don't need any SGL - we use SGL's space as + * queue info structure + * + * We will not get a NULL command below. We just created the pool. + */ + cmd = megasas_get_cmd(instance); - while (consumer != producer) { - context = instance->reply_queue[consumer]; + init_frame = (struct megasas_init_frame *)cmd->frame; + initq_info = (struct megasas_init_queue_info *) + ((unsigned long)init_frame + 64); - cmd = instance->cmd_list[context]; + init_frame_h = cmd->frame_phys_addr; + initq_info_h = init_frame_h + 64; - megasas_complete_cmd(instance, cmd, DID_OK); + context = init_frame->context; + memset(init_frame, 0, MEGAMFI_FRAME_SIZE); + memset(initq_info, 0, sizeof(struct megasas_init_queue_info)); + init_frame->context = context; - consumer++; - if (consumer == (instance->max_fw_cmds + 1)) { - consumer = 0; - } - } + initq_info->reply_queue_entries = instance->max_fw_cmds + 1; + initq_info->reply_queue_start_phys_addr_lo = instance->reply_queue_h; - *instance->consumer = producer; + initq_info->producer_index_phys_addr_lo = instance->producer_h; + initq_info->consumer_index_phys_addr_lo = instance->consumer_h; + + init_frame->cmd = MFI_CMD_INIT; + init_frame->cmd_status = 0xFF; + init_frame->queue_info_new_phys_addr_lo = initq_info_h; + + init_frame->data_xfer_len = sizeof(struct megasas_init_queue_info); /* - * Check if we can restore can_queue + * disable the intr before firing the init frame to FW */ - if (instance->flag & MEGASAS_FW_BUSY - && time_after(jiffies, instance->last_time + 5 * HZ) - && atomic_read(&instance->fw_outstanding) < 17) { + instance->instancet->disable_intr(instance->reg_set); - spin_lock_irqsave(instance->host->host_lock, flags); - instance->flag &= ~MEGASAS_FW_BUSY; - instance->host->can_queue = - instance->max_fw_cmds - MEGASAS_INT_CMDS; + /* + * Issue the init frame in polled mode + */ - spin_unlock_irqrestore(instance->host->host_lock, flags); + if (megasas_issue_polled(instance, cmd)) { + printk(KERN_ERR "megasas: Failed to init firmware\n"); + megasas_return_cmd(instance, cmd); + goto fail_fw_init; } + megasas_return_cmd(instance, cmd); + + return 0; + +fail_fw_init: + return -EINVAL; +} + +/** + * megasas_start_timer - Initializes a timer object + * @instance: Adapter soft state + * @timer: timer object to be initialized + * @fn: timer function + * @interval: time interval between timer function call + */ +static inline void +megasas_start_timer(struct megasas_instance *instance, + struct timer_list *timer, + void *fn, unsigned long interval) +{ + init_timer(timer); + timer->expires = jiffies + interval; + timer->data = (unsigned long)instance; + timer->function = fn; + add_timer(timer); +} + +/** + * megasas_io_completion_timer - Timer fn + * @instance_addr: Address of adapter soft state + * + * Schedules tasklet for cmd completion + * if poll_mode_io is set + */ +static void +megasas_io_completion_timer(unsigned long instance_addr) +{ + struct megasas_instance *instance = + (struct megasas_instance *)instance_addr; + + if (atomic_read(&instance->fw_outstanding)) + tasklet_schedule(&instance->isr_tasklet); + + /* Restart timer */ + if (poll_mode_io) + mod_timer(&instance->io_completion_timer, + jiffies + MEGASAS_COMPLETION_TIMER_INTERVAL); } /** @@ -1814,22 +1958,15 @@ static int megasas_init_mfi(struct megasas_instance *instance) u32 reply_q_sz; u32 max_sectors_1; u32 max_sectors_2; + u32 tmp_sectors; struct megasas_register_set __iomem *reg_set; - - struct megasas_cmd *cmd; struct megasas_ctrl_info *ctrl_info; - - struct megasas_init_frame *init_frame; - struct megasas_init_queue_info *initq_info; - dma_addr_t init_frame_h; - dma_addr_t initq_info_h; - /* * Map the message registers */ instance->base_addr = pci_resource_start(instance->pdev, 0); - if (pci_request_regions(instance->pdev, "megasas: LSI Logic")) { + if (pci_request_regions(instance->pdev, "megasas: LSI")) { printk(KERN_DEBUG "megasas: IO memory region busy!\n"); return -EBUSY; } @@ -1900,52 +2037,8 @@ static int megasas_init_mfi(struct megasas_instance *instance) goto fail_reply_queue; } - /* - * Prepare a init frame. Note the init frame points to queue info - * structure. Each frame has SGL allocated after first 64 bytes. For - * this frame - since we don't need any SGL - we use SGL's space as - * queue info structure - * - * We will not get a NULL command below. We just created the pool. - */ - cmd = megasas_get_cmd(instance); - - init_frame = (struct megasas_init_frame *)cmd->frame; - initq_info = (struct megasas_init_queue_info *) - ((unsigned long)init_frame + 64); - - init_frame_h = cmd->frame_phys_addr; - initq_info_h = init_frame_h + 64; - - memset(init_frame, 0, MEGAMFI_FRAME_SIZE); - memset(initq_info, 0, sizeof(struct megasas_init_queue_info)); - - initq_info->reply_queue_entries = instance->max_fw_cmds + 1; - initq_info->reply_queue_start_phys_addr_lo = instance->reply_queue_h; - - initq_info->producer_index_phys_addr_lo = instance->producer_h; - initq_info->consumer_index_phys_addr_lo = instance->consumer_h; - - init_frame->cmd = MFI_CMD_INIT; - init_frame->cmd_status = 0xFF; - init_frame->queue_info_new_phys_addr_lo = initq_info_h; - - init_frame->data_xfer_len = sizeof(struct megasas_init_queue_info); - - /* - * disable the intr before firing the init frame to FW - */ - instance->instancet->disable_intr(instance->reg_set); - - /* - * Issue the init frame in polled mode - */ - if (megasas_issue_polled(instance, cmd)) { - printk(KERN_DEBUG "megasas: Failed to init firmware\n"); + if (megasas_issue_init_mfi(instance)) goto fail_fw_init; - } - - megasas_return_cmd(instance, cmd); ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL); @@ -1958,17 +2051,20 @@ static int megasas_init_mfi(struct megasas_instance *instance) * Note that older firmwares ( < FW ver 30) didn't report information * to calculate max_sectors_1. So the number ended up as zero always. */ + tmp_sectors = 0; if (ctrl_info && !megasas_get_ctrl_info(instance, ctrl_info)) { max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) * ctrl_info->max_strips_per_io; max_sectors_2 = ctrl_info->max_request_size; - instance->max_sectors_per_req = (max_sectors_1 < max_sectors_2) - ? max_sectors_1 : max_sectors_2; - } else - instance->max_sectors_per_req = instance->max_num_sge * - PAGE_SIZE / 512; + tmp_sectors = min_t(u32, max_sectors_1 , max_sectors_2); + } + + instance->max_sectors_per_req = instance->max_num_sge * + PAGE_SIZE / 512; + if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors)) + instance->max_sectors_per_req = tmp_sectors; kfree(ctrl_info); @@ -1976,12 +2072,17 @@ static int megasas_init_mfi(struct megasas_instance *instance) * Setup tasklet for cmd completion */ - tasklet_init(&instance->isr_tasklet, megasas_complete_cmd_dpc, - (unsigned long)instance); + tasklet_init(&instance->isr_tasklet, megasas_complete_cmd_dpc, + (unsigned long)instance); + + /* Initialize the cmd completion timer */ + if (poll_mode_io) + megasas_start_timer(instance, &instance->io_completion_timer, + megasas_io_completion_timer, + MEGASAS_COMPLETION_TIMER_INTERVAL); return 0; fail_fw_init: - megasas_return_cmd(instance, cmd); pci_free_consistent(instance->pdev, reply_q_sz, instance->reply_queue, instance->reply_queue_h); @@ -2263,6 +2364,28 @@ static int megasas_io_attach(struct megasas_instance *instance) return 0; } +static int +megasas_set_dma_mask(struct pci_dev *pdev) +{ + /* + * All our contollers are capable of performing 64-bit DMA + */ + if (IS_DMA64) { + if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) != 0) { + + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) + goto fail_set_dma_mask; + } + } else { + if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) + goto fail_set_dma_mask; + } + return 0; + +fail_set_dma_mask: + return 1; +} + /** * megasas_probe_one - PCI hotplug entry point * @pdev: PCI device structure @@ -2296,19 +2419,8 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); - /* - * All our contollers are capable of performing 64-bit DMA - */ - if (IS_DMA64) { - if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) != 0) { - - if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) - goto fail_set_dma_mask; - } - } else { - if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) - goto fail_set_dma_mask; - } + if (megasas_set_dma_mask(pdev)) + goto fail_set_dma_mask; host = scsi_host_alloc(&megasas_template, sizeof(struct megasas_instance)); @@ -2357,8 +2469,9 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) init_waitqueue_head(&instance->abort_cmd_wait_q); spin_lock_init(&instance->cmd_pool_lock); + spin_lock_init(&instance->completion_lock); - sema_init(&instance->aen_mutex, 1); + mutex_init(&instance->aen_mutex); sema_init(&instance->ioctl_sem, MEGASAS_INT_CMDS); /* @@ -2490,8 +2603,10 @@ static void megasas_flush_cache(struct megasas_instance *instance) /** * megasas_shutdown_controller - Instructs FW to shutdown the controller * @instance: Adapter soft state + * @opcode: Shutdown/Hibernate */ -static void megasas_shutdown_controller(struct megasas_instance *instance) +static void megasas_shutdown_controller(struct megasas_instance *instance, + u32 opcode) { struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; @@ -2514,7 +2629,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance) dcmd->flags = MFI_FRAME_DIR_NONE; dcmd->timeout = 0; dcmd->data_xfer_len = 0; - dcmd->opcode = MR_DCMD_CTRL_SHUTDOWN; + dcmd->opcode = opcode; megasas_issue_blocked_cmd(instance, cmd); @@ -2524,6 +2639,139 @@ static void megasas_shutdown_controller(struct megasas_instance *instance) } /** + * megasas_suspend - driver suspend entry point + * @pdev: PCI device structure + * @state: PCI power state to suspend routine + */ +static int __devinit +megasas_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct Scsi_Host *host; + struct megasas_instance *instance; + + instance = pci_get_drvdata(pdev); + host = instance->host; + + if (poll_mode_io) + del_timer_sync(&instance->io_completion_timer); + + megasas_flush_cache(instance); + megasas_shutdown_controller(instance, MR_DCMD_HIBERNATE_SHUTDOWN); + tasklet_kill(&instance->isr_tasklet); + + pci_set_drvdata(instance->pdev, instance); + instance->instancet->disable_intr(instance->reg_set); + free_irq(instance->pdev->irq, instance); + + pci_save_state(pdev); + pci_disable_device(pdev); + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +/** + * megasas_resume- driver resume entry point + * @pdev: PCI device structure + */ +static int __devinit +megasas_resume(struct pci_dev *pdev) +{ + int rval; + struct Scsi_Host *host; + struct megasas_instance *instance; + + instance = pci_get_drvdata(pdev); + host = instance->host; + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); + pci_restore_state(pdev); + + /* + * PCI prepping: enable device set bus mastering and dma mask + */ + rval = pci_enable_device(pdev); + + if (rval) { + printk(KERN_ERR "megasas: Enable device failed\n"); + return rval; + } + + pci_set_master(pdev); + + if (megasas_set_dma_mask(pdev)) + goto fail_set_dma_mask; + + /* + * Initialize MFI Firmware + */ + + *instance->producer = 0; + *instance->consumer = 0; + + atomic_set(&instance->fw_outstanding, 0); + + /* + * We expect the FW state to be READY + */ + if (megasas_transition_to_ready(instance)) + goto fail_ready_state; + + if (megasas_issue_init_mfi(instance)) + goto fail_init_mfi; + + tasklet_init(&instance->isr_tasklet, megasas_complete_cmd_dpc, + (unsigned long)instance); + + /* + * Register IRQ + */ + if (request_irq(pdev->irq, megasas_isr, IRQF_SHARED, + "megasas", instance)) { + printk(KERN_ERR "megasas: Failed to register IRQ\n"); + goto fail_irq; + } + + instance->instancet->enable_intr(instance->reg_set); + + /* + * Initiate AEN (Asynchronous Event Notification) + */ + if (megasas_start_aen(instance)) + printk(KERN_ERR "megasas: Start AEN failed\n"); + + /* Initialize the cmd completion timer */ + if (poll_mode_io) + megasas_start_timer(instance, &instance->io_completion_timer, + megasas_io_completion_timer, + MEGASAS_COMPLETION_TIMER_INTERVAL); + return 0; + +fail_irq: +fail_init_mfi: + if (instance->evt_detail) + pci_free_consistent(pdev, sizeof(struct megasas_evt_detail), + instance->evt_detail, + instance->evt_detail_h); + + if (instance->producer) + pci_free_consistent(pdev, sizeof(u32), instance->producer, + instance->producer_h); + if (instance->consumer) + pci_free_consistent(pdev, sizeof(u32), instance->consumer, + instance->consumer_h); + scsi_host_put(host); + +fail_set_dma_mask: +fail_ready_state: + + pci_disable_device(pdev); + + return -ENODEV; +} + +/** * megasas_detach_one - PCI hot"un"plug entry point * @pdev: PCI device structure */ @@ -2536,9 +2784,12 @@ static void megasas_detach_one(struct pci_dev *pdev) instance = pci_get_drvdata(pdev); host = instance->host; + if (poll_mode_io) + del_timer_sync(&instance->io_completion_timer); + scsi_remove_host(instance->host); megasas_flush_cache(instance); - megasas_shutdown_controller(instance); + megasas_shutdown_controller(instance, MR_DCMD_CTRL_SHUTDOWN); tasklet_kill(&instance->isr_tasklet); /* @@ -2660,6 +2911,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, void *sense = NULL; dma_addr_t sense_handle; u32 *sense_ptr; + unsigned long *sense_buff; memset(kbuff_arr, 0, sizeof(kbuff_arr)); @@ -2764,14 +3016,16 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, */ if (ioc->sense_len) { /* - * sense_ptr points to the location that has the user + * sense_buff points to the location that has the user * sense buffer address */ - sense_ptr = (u32 *) ((unsigned long)ioc->frame.raw + - ioc->sense_off); + sense_buff = (unsigned long *) ((unsigned long)ioc->frame.raw + + ioc->sense_off); - if (copy_to_user((void __user *)((unsigned long)(*sense_ptr)), - sense, ioc->sense_len)) { + if (copy_to_user((void __user *)(unsigned long)(*sense_buff), + sense, ioc->sense_len)) { + printk(KERN_ERR "megasas: Failed to copy out to user " + "sense data\n"); error = -EFAULT; goto out; } @@ -2874,10 +3128,10 @@ static int megasas_mgmt_ioctl_aen(struct file *file, unsigned long arg) if (!instance) return -ENODEV; - down(&instance->aen_mutex); + mutex_lock(&instance->aen_mutex); error = megasas_register_aen(instance, aen.seq_num, aen.class_locale_word); - up(&instance->aen_mutex); + mutex_unlock(&instance->aen_mutex); return error; } @@ -2977,6 +3231,8 @@ static struct pci_driver megasas_pci_driver = { .id_table = megasas_pci_table, .probe = megasas_probe_one, .remove = __devexit_p(megasas_detach_one), + .suspend = megasas_suspend, + .resume = megasas_resume, .shutdown = megasas_shutdown, }; @@ -3004,7 +3260,7 @@ static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date, static ssize_t megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) { - return sprintf(buf,"%u",megasas_dbg_lvl); + return sprintf(buf, "%u\n", megasas_dbg_lvl); } static ssize_t @@ -3019,7 +3275,65 @@ megasas_sysfs_set_dbg_lvl(struct device_driver *dd, const char *buf, size_t coun } static DRIVER_ATTR(dbg_lvl, S_IRUGO|S_IWUGO, megasas_sysfs_show_dbg_lvl, - megasas_sysfs_set_dbg_lvl); + megasas_sysfs_set_dbg_lvl); + +static ssize_t +megasas_sysfs_show_poll_mode_io(struct device_driver *dd, char *buf) +{ + return sprintf(buf, "%u\n", poll_mode_io); +} + +static ssize_t +megasas_sysfs_set_poll_mode_io(struct device_driver *dd, + const char *buf, size_t count) +{ + int retval = count; + int tmp = poll_mode_io; + int i; + struct megasas_instance *instance; + + if (sscanf(buf, "%u", &poll_mode_io) < 1) { + printk(KERN_ERR "megasas: could not set poll_mode_io\n"); + retval = -EINVAL; + } + + /* + * Check if poll_mode_io is already set or is same as previous value + */ + if ((tmp && poll_mode_io) || (tmp == poll_mode_io)) + goto out; + + if (poll_mode_io) { + /* + * Start timers for all adapters + */ + for (i = 0; i < megasas_mgmt_info.max_index; i++) { + instance = megasas_mgmt_info.instance[i]; + if (instance) { + megasas_start_timer(instance, + &instance->io_completion_timer, + megasas_io_completion_timer, + MEGASAS_COMPLETION_TIMER_INTERVAL); + } + } + } else { + /* + * Delete timers for all adapters + */ + for (i = 0; i < megasas_mgmt_info.max_index; i++) { + instance = megasas_mgmt_info.instance[i]; + if (instance) + del_timer_sync(&instance->io_completion_timer); + } + } + +out: + return retval; +} + +static DRIVER_ATTR(poll_mode_io, S_IRUGO|S_IWUGO, + megasas_sysfs_show_poll_mode_io, + megasas_sysfs_set_poll_mode_io); /** * megasas_init - Driver load entry point @@ -3070,8 +3384,16 @@ static int __init megasas_init(void) &driver_attr_dbg_lvl); if (rval) goto err_dcf_dbg_lvl; + rval = driver_create_file(&megasas_pci_driver.driver, + &driver_attr_poll_mode_io); + if (rval) + goto err_dcf_poll_mode_io; return rval; + +err_dcf_poll_mode_io: + driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_dbg_lvl); err_dcf_dbg_lvl: driver_remove_file(&megasas_pci_driver.driver, &driver_attr_release_date); @@ -3090,6 +3412,8 @@ err_pcidrv: static void __exit megasas_exit(void) { driver_remove_file(&megasas_pci_driver.driver, + &driver_attr_poll_mode_io); + driver_remove_file(&megasas_pci_driver.driver, &driver_attr_dbg_lvl); driver_remove_file(&megasas_pci_driver.driver, &driver_attr_release_date); diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index 4dffc918a414..6466bdf548c2 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2,7 +2,7 @@ * * Linux MegaRAID driver for SAS based RAID controllers * - * Copyright (c) 2003-2005 LSI Logic Corporation. + * Copyright (c) 2003-2005 LSI Corporation. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -18,9 +18,9 @@ /* * MegaRAID SAS Driver meta data */ -#define MEGASAS_VERSION "00.00.03.10-rc5" -#define MEGASAS_RELDATE "May 17, 2007" -#define MEGASAS_EXT_VERSION "Thu May 17 10:09:32 PDT 2007" +#define MEGASAS_VERSION "00.00.03.16-rc1" +#define MEGASAS_RELDATE "Nov. 07, 2007" +#define MEGASAS_EXT_VERSION "Thu. Nov. 07 10:09:32 PDT 2007" /* * Device IDs @@ -117,6 +117,7 @@ #define MR_FLUSH_DISK_CACHE 0x02 #define MR_DCMD_CTRL_SHUTDOWN 0x01050000 +#define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000 #define MR_ENABLE_DRIVE_SPINDOWN 0x01 #define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100 @@ -570,7 +571,8 @@ struct megasas_ctrl_info { #define IS_DMA64 (sizeof(dma_addr_t) == 8) #define MFI_OB_INTR_STATUS_MASK 0x00000002 -#define MFI_POLL_TIMEOUT_SECS 10 +#define MFI_POLL_TIMEOUT_SECS 60 +#define MEGASAS_COMPLETION_TIMER_INTERVAL (HZ/10) #define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000 @@ -1083,13 +1085,15 @@ struct megasas_instance { struct megasas_cmd **cmd_list; struct list_head cmd_pool; spinlock_t cmd_pool_lock; + /* used to synch producer, consumer ptrs in dpc */ + spinlock_t completion_lock; struct dma_pool *frame_dma_pool; struct dma_pool *sense_dma_pool; struct megasas_evt_detail *evt_detail; dma_addr_t evt_detail_h; struct megasas_cmd *aen_cmd; - struct semaphore aen_mutex; + struct mutex aen_mutex; struct semaphore ioctl_sem; struct Scsi_Host *host; @@ -1108,6 +1112,8 @@ struct megasas_instance { u8 flag; unsigned long last_time; + + struct timer_list io_completion_timer; }; #define MEGASAS_IS_LOGICAL(scp) \ diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 016c462bc771..c02771aa6c9b 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -4963,7 +4963,8 @@ void ncr_complete (struct ncb *np, struct ccb *cp) ** Copy back sense data to caller's buffer. */ memcpy(cmd->sense_buffer, cp->sense_buf, - min(sizeof(cmd->sense_buffer), sizeof(cp->sense_buf))); + min_t(size_t, SCSI_SENSE_BUFFERSIZE, + sizeof(cp->sense_buf))); if (DEBUG_FLAGS & (DEBUG_RESULT|DEBUG_TINY)) { u_char * p = (u_char*) & cmd->sense_buffer; diff --git a/drivers/scsi/pcmcia/Kconfig b/drivers/scsi/pcmcia/Kconfig index fa481b515ead..53857c6b6d4d 100644 --- a/drivers/scsi/pcmcia/Kconfig +++ b/drivers/scsi/pcmcia/Kconfig @@ -6,7 +6,8 @@ menuconfig SCSI_LOWLEVEL_PCMCIA bool "PCMCIA SCSI adapter support" depends on SCSI!=n && PCMCIA!=n -if SCSI_LOWLEVEL_PCMCIA && SCSI && PCMCIA +# drivers have problems when build in, so require modules +if SCSI_LOWLEVEL_PCMCIA && SCSI && PCMCIA && m config PCMCIA_AHA152X tristate "Adaptec AHA152X PCMCIA support" diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index a45d89b14147..5082ca3c6876 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -135,6 +135,11 @@ static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ #define NSP_DEBUG_BUF_LEN 150 +static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc) +{ + scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc); +} + static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) { va_list args; @@ -192,8 +197,10 @@ static int nsp_queuecommand(struct scsi_cmnd *SCpnt, #endif nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; - nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "SCpnt=0x%p target=%d lun=%d buff=0x%p bufflen=%d use_sg=%d", - SCpnt, target, SCpnt->device->lun, SCpnt->request_buffer, SCpnt->request_bufflen, SCpnt->use_sg); + nsp_dbg(NSP_DEBUG_QUEUECOMMAND, + "SCpnt=0x%p target=%d lun=%d sglist=0x%p bufflen=%d sg_count=%d", + SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt), + scsi_bufflen(SCpnt), scsi_sg_count(SCpnt)); //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); SCpnt->scsi_done = done; @@ -225,7 +232,7 @@ static int nsp_queuecommand(struct scsi_cmnd *SCpnt, SCpnt->SCp.have_data_in = IO_UNKNOWN; SCpnt->SCp.sent_command = 0; SCpnt->SCp.phase = PH_UNDETERMINED; - SCpnt->resid = SCpnt->request_bufflen; + scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); /* setup scratch area SCp.ptr : buffer pointer @@ -233,14 +240,14 @@ static int nsp_queuecommand(struct scsi_cmnd *SCpnt, SCp.buffer : next buffer SCp.buffers_residual : left buffers in list SCp.phase : current state of the command */ - if (SCpnt->use_sg) { - SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer; + if (scsi_bufflen(SCpnt)) { + SCpnt->SCp.buffer = scsi_sglist(SCpnt); SCpnt->SCp.ptr = BUFFER_ADDR; SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; - SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1; + SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; } else { - SCpnt->SCp.ptr = (char *) SCpnt->request_buffer; - SCpnt->SCp.this_residual = SCpnt->request_bufflen; + SCpnt->SCp.ptr = NULL; + SCpnt->SCp.this_residual = 0; SCpnt->SCp.buffer = NULL; SCpnt->SCp.buffers_residual = 0; } @@ -721,7 +728,9 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) ocount = data->FifoCount; nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", - SCpnt, SCpnt->resid, ocount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual); + SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr, + SCpnt->SCp.this_residual, SCpnt->SCp.buffer, + SCpnt->SCp.buffers_residual); time_out = 1000; @@ -771,7 +780,7 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) return; } - SCpnt->resid -= res; + nsp_inc_resid(SCpnt, -res); SCpnt->SCp.ptr += res; SCpnt->SCp.this_residual -= res; ocount += res; @@ -795,10 +804,12 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt) if (time_out == 0) { nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", - SCpnt->resid, SCpnt->SCp.this_residual, SCpnt->SCp.buffers_residual); + scsi_get_resid(SCpnt), SCpnt->SCp.this_residual, + SCpnt->SCp.buffers_residual); } nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); - nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); + nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, + scsi_get_resid(SCpnt)); } /* @@ -816,7 +827,9 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) ocount = data->FifoCount; nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", - data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, SCpnt->resid); + data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, + SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, + scsi_get_resid(SCpnt)); time_out = 1000; @@ -830,7 +843,7 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); /* Put back pointer */ - SCpnt->resid += res; + nsp_inc_resid(SCpnt, res); SCpnt->SCp.ptr -= res; SCpnt->SCp.this_residual += res; ocount -= res; @@ -866,7 +879,7 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) break; } - SCpnt->resid -= res; + nsp_inc_resid(SCpnt, -res); SCpnt->SCp.ptr += res; SCpnt->SCp.this_residual -= res; ocount += res; @@ -886,10 +899,12 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt) data->FifoCount = ocount; if (time_out == 0) { - nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", SCpnt->resid); + nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", + scsi_get_resid(SCpnt)); } nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); - nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); + nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, + scsi_get_resid(SCpnt)); } #undef RFIFO_CRIT #undef WFIFO_CRIT @@ -911,9 +926,8 @@ static int nsp_nexus(struct scsi_cmnd *SCpnt) nsp_index_write(base, SYNCREG, sync->SyncRegister); nsp_index_write(base, ACKWIDTH, sync->AckWidth); - if (SCpnt->use_sg == 0 || - SCpnt->resid % 4 != 0 || - SCpnt->resid <= PAGE_SIZE ) { + if (scsi_get_resid(SCpnt) % 4 != 0 || + scsi_get_resid(SCpnt) <= PAGE_SIZE ) { data->TransferMode = MODE_IO8; } else if (nsp_burst_mode == BURST_MEM32) { data->TransferMode = MODE_MEM32; diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 67ee51a3d7e1..f655ae320b48 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -750,18 +750,16 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd) cmd->SCp.phase++; case 4: /* Phase 4 - Setup scatter/gather buffers */ - if (cmd->use_sg) { - /* if many buffers are available, start filling the first */ - cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); cmd->SCp.this_residual = cmd->SCp.buffer->length; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); } else { - /* else fill the only available buffer */ cmd->SCp.buffer = NULL; - cmd->SCp.this_residual = cmd->request_bufflen; - cmd->SCp.ptr = cmd->request_buffer; + cmd->SCp.this_residual = 0; + cmd->SCp.ptr = NULL; } - cmd->SCp.buffers_residual = cmd->use_sg - 1; + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.phase++; case 5: /* Phase 5 - Data transfer stage */ diff --git a/drivers/scsi/psi240i.c b/drivers/scsi/psi240i.c deleted file mode 100644 index 899e89d6fe67..000000000000 --- a/drivers/scsi/psi240i.c +++ /dev/null @@ -1,689 +0,0 @@ -/*+M************************************************************************* - * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux. - * - * Copyright (c) 1997 Perceptive Solutions, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - * File Name: psi240i.c - * - * Description: SCSI driver for the PSI240I EIDE interface card. - * - *-M*************************************************************************/ - -#include <linux/module.h> - -#include <linux/blkdev.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/proc_fs.h> -#include <linux/spinlock.h> -#include <linux/stat.h> - -#include <asm/dma.h> -#include <asm/system.h> -#include <asm/io.h> -#include "scsi.h" -#include <scsi/scsi_host.h> - -#include "psi240i.h" -#include "psi_chip.h" - -//#define DEBUG 1 - -#ifdef DEBUG -#define DEB(x) x -#else -#define DEB(x) -#endif - -#define MAXBOARDS 6 /* Increase this and the sizes of the arrays below, if you need more. */ - -#define PORT_DATA 0 -#define PORT_ERROR 1 -#define PORT_SECTOR_COUNT 2 -#define PORT_LBA_0 3 -#define PORT_LBA_8 4 -#define PORT_LBA_16 5 -#define PORT_LBA_24 6 -#define PORT_STAT_CMD 7 -#define PORT_SEL_FAIL 8 -#define PORT_IRQ_STATUS 9 -#define PORT_ADDRESS 10 -#define PORT_FAIL 11 -#define PORT_ALT_STAT 12 - -typedef struct - { - UCHAR device; // device code - UCHAR byte6; // device select register image - UCHAR spigot; // spigot number - UCHAR expectingIRQ; // flag for expecting and interrupt - USHORT sectors; // number of sectors per track - USHORT heads; // number of heads - USHORT cylinders; // number of cylinders for this device - USHORT spareword; // placeholder - ULONG blocks; // number of blocks on device - } OUR_DEVICE, *POUR_DEVICE; - -typedef struct - { - USHORT ports[13]; - OUR_DEVICE device[8]; - struct scsi_cmnd *pSCmnd; - IDE_STRUCT ide; - ULONG startSector; - USHORT sectorCount; - struct scsi_cmnd *SCpnt; - VOID *buffer; - USHORT expectingIRQ; - } ADAPTER240I, *PADAPTER240I; - -#define HOSTDATA(host) ((PADAPTER240I)&host->hostdata) - -static struct Scsi_Host *PsiHost[6] = {NULL,}; /* One for each IRQ level (10-15) */ -static IDENTIFY_DATA identifyData; -static SETUP ChipSetup; - -static USHORT portAddr[6] = {CHIP_ADRS_0, CHIP_ADRS_1, CHIP_ADRS_2, CHIP_ADRS_3, CHIP_ADRS_4, CHIP_ADRS_5}; - -/**************************************************************** - * Name: WriteData :LOCAL - * - * Description: Write data to device. - * - * Parameters: padapter - Pointer adapter data structure. - * - * Returns: TRUE if drive does not assert DRQ in time. - * - ****************************************************************/ -static int WriteData (PADAPTER240I padapter) - { - ULONG timer; - USHORT *pports = padapter->ports; - - timer = jiffies + TIMEOUT_DRQ; // calculate the timeout value - do { - if ( inb_p (pports[PORT_STAT_CMD]) & IDE_STATUS_DRQ ) - { - outsw (pports[PORT_DATA], padapter->buffer, (USHORT)padapter->ide.ide.ide[2] * 256); - return 0; - } - } while ( time_after(timer, jiffies) ); // test for timeout - - padapter->ide.ide.ides.cmd = 0; // null out the command byte - return 1; - } -/**************************************************************** - * Name: IdeCmd :LOCAL - * - * Description: Process a queued command from the SCSI manager. - * - * Parameters: padapter - Pointer adapter data structure. - * - * Returns: Zero if no error or status register contents on error. - * - ****************************************************************/ -static UCHAR IdeCmd (PADAPTER240I padapter) - { - ULONG timer; - USHORT *pports = padapter->ports; - UCHAR status; - - outb_p (padapter->ide.ide.ides.spigot, pports[PORT_SEL_FAIL]); // select the spigot - outb_p (padapter->ide.ide.ide[6], pports[PORT_LBA_24]); // select the drive - timer = jiffies + TIMEOUT_READY; // calculate the timeout value - do { - status = inb_p (padapter->ports[PORT_STAT_CMD]); - if ( status & IDE_STATUS_DRDY ) - { - outb_p (padapter->ide.ide.ide[2], pports[PORT_SECTOR_COUNT]); - outb_p (padapter->ide.ide.ide[3], pports[PORT_LBA_0]); - outb_p (padapter->ide.ide.ide[4], pports[PORT_LBA_8]); - outb_p (padapter->ide.ide.ide[5], pports[PORT_LBA_16]); - padapter->expectingIRQ = 1; - outb_p (padapter->ide.ide.ide[7], pports[PORT_STAT_CMD]); - - if ( padapter->ide.ide.ides.cmd == IDE_CMD_WRITE_MULTIPLE ) - return (WriteData (padapter)); - - return 0; - } - } while ( time_after(timer, jiffies) ); // test for timeout - - padapter->ide.ide.ides.cmd = 0; // null out the command byte - return status; - } -/**************************************************************** - * Name: SetupTransfer :LOCAL - * - * Description: Setup a data transfer command. - * - * Parameters: padapter - Pointer adapter data structure. - * drive - Drive/head register upper nibble only. - * - * Returns: TRUE if no data to transfer. - * - ****************************************************************/ -static int SetupTransfer (PADAPTER240I padapter, UCHAR drive) - { - if ( padapter->sectorCount ) - { - *(ULONG *)padapter->ide.ide.ides.lba = padapter->startSector; - padapter->ide.ide.ide[6] |= drive; - padapter->ide.ide.ides.sectors = ( padapter->sectorCount > SECTORSXFER ) ? SECTORSXFER : padapter->sectorCount; - padapter->sectorCount -= padapter->ide.ide.ides.sectors; // bump the start and count for next xfer - padapter->startSector += padapter->ide.ide.ides.sectors; - return 0; - } - else - { - padapter->ide.ide.ides.cmd = 0; // null out the command byte - padapter->SCpnt = NULL; - return 1; - } - } -/**************************************************************** - * Name: DecodeError :LOCAL - * - * Description: Decode and process device errors. - * - * Parameters: pshost - Pointer to host data block. - * status - Status register code. - * - * Returns: The driver status code. - * - ****************************************************************/ -static ULONG DecodeError (struct Scsi_Host *pshost, UCHAR status) - { - PADAPTER240I padapter = HOSTDATA(pshost); - UCHAR error; - - padapter->expectingIRQ = 0; - padapter->SCpnt = NULL; - if ( status & IDE_STATUS_WRITE_FAULT ) - { - return DID_PARITY << 16; - } - if ( status & IDE_STATUS_BUSY ) - return DID_BUS_BUSY << 16; - - error = inb_p (padapter->ports[PORT_ERROR]); - DEB(printk ("\npsi240i error register: %x", error)); - switch ( error ) - { - case IDE_ERROR_AMNF: - case IDE_ERROR_TKONF: - case IDE_ERROR_ABRT: - case IDE_ERROR_IDFN: - case IDE_ERROR_UNC: - case IDE_ERROR_BBK: - default: - return DID_ERROR << 16; - } - return DID_ERROR << 16; - } -/**************************************************************** - * Name: Irq_Handler :LOCAL - * - * Description: Interrupt handler. - * - * Parameters: irq - Hardware IRQ number. - * dev_id - - * - * Returns: TRUE if drive is not ready in time. - * - ****************************************************************/ -static void Irq_Handler (int irq, void *dev_id) - { - struct Scsi_Host *shost; // Pointer to host data block - PADAPTER240I padapter; // Pointer to adapter control structure - USHORT *pports; // I/O port array - struct scsi_cmnd *SCpnt; - UCHAR status; - int z; - - DEB(printk ("\npsi240i received interrupt\n")); - - shost = PsiHost[irq - 10]; - if ( !shost ) - panic ("Splunge!"); - - padapter = HOSTDATA(shost); - pports = padapter->ports; - SCpnt = padapter->SCpnt; - - if ( !padapter->expectingIRQ ) - { - DEB(printk ("\npsi240i Unsolicited interrupt\n")); - return; - } - padapter->expectingIRQ = 0; - - status = inb_p (padapter->ports[PORT_STAT_CMD]); // read the device status - if ( status & (IDE_STATUS_ERROR | IDE_STATUS_WRITE_FAULT) ) - goto irqerror; - - DEB(printk ("\npsi240i processing interrupt")); - switch ( padapter->ide.ide.ides.cmd ) // decide how to handle the interrupt - { - case IDE_CMD_READ_MULTIPLE: - if ( status & IDE_STATUS_DRQ ) - { - insw (pports[PORT_DATA], padapter->buffer, (USHORT)padapter->ide.ide.ides.sectors * 256); - padapter->buffer += padapter->ide.ide.ides.sectors * 512; - if ( SetupTransfer (padapter, padapter->ide.ide.ide[6] & 0xF0) ) - { - SCpnt->result = DID_OK << 16; - padapter->SCpnt = NULL; - SCpnt->scsi_done (SCpnt); - return; - } - if ( !(status = IdeCmd (padapter)) ) - return; - } - break; - - case IDE_CMD_WRITE_MULTIPLE: - padapter->buffer += padapter->ide.ide.ides.sectors * 512; - if ( SetupTransfer (padapter, padapter->ide.ide.ide[6] & 0xF0) ) - { - SCpnt->result = DID_OK << 16; - padapter->SCpnt = NULL; - SCpnt->scsi_done (SCpnt); - return; - } - if ( !(status = IdeCmd (padapter)) ) - return; - break; - - case IDE_COMMAND_IDENTIFY: - { - PINQUIRYDATA pinquiryData = SCpnt->request_buffer; - - if ( status & IDE_STATUS_DRQ ) - { - insw (pports[PORT_DATA], &identifyData, sizeof (identifyData) >> 1); - - memset (pinquiryData, 0, SCpnt->request_bufflen); // Zero INQUIRY data structure. - pinquiryData->DeviceType = 0; - pinquiryData->Versions = 2; - pinquiryData->AdditionalLength = 35 - 4; - - // Fill in vendor identification fields. - for ( z = 0; z < 8; z += 2 ) - { - pinquiryData->VendorId[z] = ((UCHAR *)identifyData.ModelNumber)[z + 1]; - pinquiryData->VendorId[z + 1] = ((UCHAR *)identifyData.ModelNumber)[z]; - } - - // Initialize unused portion of product id. - for ( z = 0; z < 4; z++ ) - pinquiryData->ProductId[12 + z] = ' '; - - // Move firmware revision from IDENTIFY data to - // product revision in INQUIRY data. - for ( z = 0; z < 4; z += 2 ) - { - pinquiryData->ProductRevisionLevel[z] = ((UCHAR *)identifyData.FirmwareRevision)[z + 1]; - pinquiryData->ProductRevisionLevel[z + 1] = ((UCHAR *)identifyData.FirmwareRevision)[z]; - } - - SCpnt->result = DID_OK << 16; - padapter->SCpnt = NULL; - SCpnt->scsi_done (SCpnt); - return; - } - break; - } - - default: - SCpnt->result = DID_OK << 16; - padapter->SCpnt = NULL; - SCpnt->scsi_done (SCpnt); - return; - } - -irqerror:; - DEB(printk ("\npsi240i error Device Status: %X\n", status)); - SCpnt->result = DecodeError (shost, status); - SCpnt->scsi_done (SCpnt); - } - -static irqreturn_t do_Irq_Handler (int irq, void *dev_id) -{ - unsigned long flags; - struct Scsi_Host *dev = dev_id; - - spin_lock_irqsave(dev->host_lock, flags); - Irq_Handler(irq, dev_id); - spin_unlock_irqrestore(dev->host_lock, flags); - return IRQ_HANDLED; -} - -/**************************************************************** - * Name: Psi240i_QueueCommand - * - * Description: Process a queued command from the SCSI manager. - * - * Parameters: SCpnt - Pointer to SCSI command structure. - * done - Pointer to done function to call. - * - * Returns: Status code. - * - ****************************************************************/ -static int Psi240i_QueueCommand(struct scsi_cmnd *SCpnt, - void (*done)(struct scsi_cmnd *)) - { - UCHAR *cdb = (UCHAR *)SCpnt->cmnd; - // Pointer to SCSI CDB - PADAPTER240I padapter = HOSTDATA (SCpnt->device->host); - // Pointer to adapter control structure - POUR_DEVICE pdev = &padapter->device [SCpnt->device->id]; - // Pointer to device information - UCHAR rc; - // command return code - - SCpnt->scsi_done = done; - padapter->ide.ide.ides.spigot = pdev->spigot; - padapter->buffer = SCpnt->request_buffer; - if (done) - { - if ( !pdev->device ) - { - SCpnt->result = DID_BAD_TARGET << 16; - done (SCpnt); - return 0; - } - } - else - { - printk("psi240i_queuecommand: %02X: done can't be NULL\n", *cdb); - return 0; - } - - switch ( *cdb ) - { - case SCSIOP_INQUIRY: // inquiry CDB - { - padapter->ide.ide.ide[6] = pdev->byte6; - padapter->ide.ide.ides.cmd = IDE_COMMAND_IDENTIFY; - break; - } - - case SCSIOP_TEST_UNIT_READY: // test unit ready CDB - SCpnt->result = DID_OK << 16; - done (SCpnt); - return 0; - - case SCSIOP_READ_CAPACITY: // read capctiy CDB - { - PREAD_CAPACITY_DATA pdata = (PREAD_CAPACITY_DATA)SCpnt->request_buffer; - - pdata->blksiz = 0x20000; - XANY2SCSI ((UCHAR *)&pdata->blks, pdev->blocks); - SCpnt->result = DID_OK << 16; - done (SCpnt); - return 0; - } - - case SCSIOP_VERIFY: // verify CDB - *(ULONG *)padapter->ide.ide.ides.lba = XSCSI2LONG (&cdb[2]); - padapter->ide.ide.ide[6] |= pdev->byte6; - padapter->ide.ide.ide[2] = (UCHAR)((USHORT)cdb[8] | ((USHORT)cdb[7] << 8)); - padapter->ide.ide.ides.cmd = IDE_COMMAND_VERIFY; - break; - - case SCSIOP_READ: // read10 CDB - padapter->startSector = XSCSI2LONG (&cdb[2]); - padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8); - SetupTransfer (padapter, pdev->byte6); - padapter->ide.ide.ides.cmd = IDE_CMD_READ_MULTIPLE; - break; - - case SCSIOP_READ6: // read6 CDB - padapter->startSector = SCSI2LONG (&cdb[1]); - padapter->sectorCount = cdb[4]; - SetupTransfer (padapter, pdev->byte6); - padapter->ide.ide.ides.cmd = IDE_CMD_READ_MULTIPLE; - break; - - case SCSIOP_WRITE: // write10 CDB - padapter->startSector = XSCSI2LONG (&cdb[2]); - padapter->sectorCount = (USHORT)cdb[8] | ((USHORT)cdb[7] << 8); - SetupTransfer (padapter, pdev->byte6); - padapter->ide.ide.ides.cmd = IDE_CMD_WRITE_MULTIPLE; - break; - case SCSIOP_WRITE6: // write6 CDB - padapter->startSector = SCSI2LONG (&cdb[1]); - padapter->sectorCount = cdb[4]; - SetupTransfer (padapter, pdev->byte6); - padapter->ide.ide.ides.cmd = IDE_CMD_WRITE_MULTIPLE; - break; - - default: - DEB (printk ("psi240i_queuecommand: Unsupported command %02X\n", *cdb)); - SCpnt->result = DID_ERROR << 16; - done (SCpnt); - return 0; - } - - padapter->SCpnt = SCpnt; // Save this command data - - rc = IdeCmd (padapter); - if ( rc ) - { - padapter->expectingIRQ = 0; - DEB (printk ("psi240i_queuecommand: %02X, %02X: Device failed to respond for command\n", *cdb, padapter->ide.ide.ides.cmd)); - SCpnt->result = DID_ERROR << 16; - done (SCpnt); - return 0; - } - DEB (printk("psi240i_queuecommand: %02X, %02X now waiting for interrupt ", *cdb, padapter->ide.ide.ides.cmd)); - return 0; - } - -/*************************************************************************** - * Name: ReadChipMemory - * - * Description: Read information from controller memory. - * - * Parameters: psetup - Pointer to memory image of setup information. - * base - base address of memory. - * length - lenght of data space in bytes. - * port - I/O address of data port. - * - * Returns: Nothing. - * - **************************************************************************/ -static void ReadChipMemory (void *pdata, USHORT base, USHORT length, USHORT port) - { - USHORT z, zz; - UCHAR *pd = (UCHAR *)pdata; - outb_p (SEL_NONE, port + REG_SEL_FAIL); // setup data port - zz = 0; - while ( zz < length ) - { - outw_p (base, port + REG_ADDRESS); // setup address - - for ( z = 0; z < 8; z++ ) - { - if ( (zz + z) < length ) - *pd++ = inb_p (port + z); // read data byte - } - zz += 8; - base += 8; - } - } -/**************************************************************** - * Name: Psi240i_Detect - * - * Description: Detect and initialize our boards. - * - * Parameters: tpnt - Pointer to SCSI host template structure. - * - * Returns: Number of adapters found. - * - ****************************************************************/ -static int Psi240i_Detect (struct scsi_host_template *tpnt) - { - int board; - int count = 0; - int unit; - int z; - USHORT port, port_range = 16; - CHIP_CONFIG_N chipConfig; - CHIP_DEVICE_N chipDevice[8]; - struct Scsi_Host *pshost; - - for ( board = 0; board < MAXBOARDS; board++ ) // scan for I/O ports - { - pshost = NULL; - port = portAddr[board]; // get base address to test - if ( !request_region (port, port_range, "psi240i") ) - continue; - if ( inb_p (port + REG_FAIL) != CHIP_ID ) // do the first test for likley hood that it is us - goto host_init_failure; - outb_p (SEL_NONE, port + REG_SEL_FAIL); // setup EEPROM/RAM access - outw (0, port + REG_ADDRESS); // setup EEPROM address zero - if ( inb_p (port) != 0x55 ) // test 1st byte - goto host_init_failure; // nope - if ( inb_p (port + 1) != 0xAA ) // test 2nd byte - goto host_init_failure; // nope - - // at this point our board is found and can be accessed. Now we need to initialize - // our informatation and register with the kernel. - - - ReadChipMemory (&chipConfig, CHIP_CONFIG, sizeof (chipConfig), port); - ReadChipMemory (&chipDevice, CHIP_DEVICE, sizeof (chipDevice), port); - ReadChipMemory (&ChipSetup, CHIP_EEPROM_DATA, sizeof (ChipSetup), port); - - if ( !chipConfig.numDrives ) // if no devices on this board - goto host_init_failure; - - pshost = scsi_register (tpnt, sizeof(ADAPTER240I)); - if(pshost == NULL) - goto host_init_failure; - - PsiHost[chipConfig.irq - 10] = pshost; - pshost->unique_id = port; - pshost->io_port = port; - pshost->n_io_port = 16; /* Number of bytes of I/O space used */ - pshost->irq = chipConfig.irq; - - for ( z = 0; z < 11; z++ ) // build regester address array - HOSTDATA(pshost)->ports[z] = port + z; - HOSTDATA(pshost)->ports[11] = port + REG_FAIL; - HOSTDATA(pshost)->ports[12] = port + REG_ALT_STAT; - DEB (printk ("\nPorts =")); - DEB (for (z=0;z<13;z++) printk(" %#04X",HOSTDATA(pshost)->ports[z]);); - - for ( z = 0; z < chipConfig.numDrives; ++z ) - { - unit = chipDevice[z].channel & 0x0F; - HOSTDATA(pshost)->device[unit].device = ChipSetup.setupDevice[unit].device; - HOSTDATA(pshost)->device[unit].byte6 = (UCHAR)(((unit & 1) << 4) | 0xE0); - HOSTDATA(pshost)->device[unit].spigot = (UCHAR)(1 << (unit >> 1)); - HOSTDATA(pshost)->device[unit].sectors = ChipSetup.setupDevice[unit].sectors; - HOSTDATA(pshost)->device[unit].heads = ChipSetup.setupDevice[unit].heads; - HOSTDATA(pshost)->device[unit].cylinders = ChipSetup.setupDevice[unit].cylinders; - HOSTDATA(pshost)->device[unit].blocks = ChipSetup.setupDevice[unit].blocks; - DEB (printk ("\nHOSTDATA->device = %X", HOSTDATA(pshost)->device[unit].device)); - DEB (printk ("\n byte6 = %X", HOSTDATA(pshost)->device[unit].byte6)); - DEB (printk ("\n spigot = %X", HOSTDATA(pshost)->device[unit].spigot)); - DEB (printk ("\n sectors = %X", HOSTDATA(pshost)->device[unit].sectors)); - DEB (printk ("\n heads = %X", HOSTDATA(pshost)->device[unit].heads)); - DEB (printk ("\n cylinders = %X", HOSTDATA(pshost)->device[unit].cylinders)); - DEB (printk ("\n blocks = %lX", HOSTDATA(pshost)->device[unit].blocks)); - } - - if ( request_irq (chipConfig.irq, do_Irq_Handler, 0, "psi240i", pshost) == 0 ) - { - printk("\nPSI-240I EIDE CONTROLLER: at I/O = %x IRQ = %d\n", port, chipConfig.irq); - printk("(C) 1997 Perceptive Solutions, Inc. All rights reserved\n\n"); - count++; - continue; - } - - printk ("Unable to allocate IRQ for PSI-240I controller.\n"); - -host_init_failure: - - release_region (port, port_range); - if (pshost) - scsi_unregister (pshost); - - } - return count; - } - -static int Psi240i_Release(struct Scsi_Host *shost) -{ - if (shost->irq) - free_irq(shost->irq, NULL); - if (shost->io_port && shost->n_io_port) - release_region(shost->io_port, shost->n_io_port); - scsi_unregister(shost); - return 0; -} - -/**************************************************************** - * Name: Psi240i_BiosParam - * - * Description: Process the biosparam request from the SCSI manager to - * return C/H/S data. - * - * Parameters: disk - Pointer to SCSI disk structure. - * dev - Major/minor number from kernel. - * geom - Pointer to integer array to place geometry data. - * - * Returns: zero. - * - ****************************************************************/ -static int Psi240i_BiosParam (struct scsi_device *sdev, struct block_device *dev, - sector_t capacity, int geom[]) - { - POUR_DEVICE pdev; - - pdev = &(HOSTDATA(sdev->host)->device[sdev_id(sdev)]); - - geom[0] = pdev->heads; - geom[1] = pdev->sectors; - geom[2] = pdev->cylinders; - return 0; - } - -MODULE_LICENSE("GPL"); - -static struct scsi_host_template driver_template = { - .proc_name = "psi240i", - .name = "PSI-240I EIDE Disk Controller", - .detect = Psi240i_Detect, - .release = Psi240i_Release, - .queuecommand = Psi240i_QueueCommand, - .bios_param = Psi240i_BiosParam, - .can_queue = 1, - .this_id = -1, - .sg_tablesize = SG_NONE, - .cmd_per_lun = 1, - .use_clustering = DISABLE_CLUSTERING, -}; -#include "scsi_module.c" diff --git a/drivers/scsi/psi240i.h b/drivers/scsi/psi240i.h deleted file mode 100644 index 21ebb9214004..000000000000 --- a/drivers/scsi/psi240i.h +++ /dev/null @@ -1,315 +0,0 @@ -/*+M************************************************************************* - * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux. - * - * Copyright (c) 1997 Perceptive Solutions, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - * File Name: psi240i.h - * - * Description: Header file for the SCSI driver for the PSI240I - * EIDE interface card. - * - *-M*************************************************************************/ -#ifndef _PSI240I_H -#define _PSI240I_H - -#include <linux/types.h> - -#ifndef PSI_EIDE_SCSIOP -#define PSI_EIDE_SCSIOP 1 - -/************************************************/ -/* Some defines that we like */ -/************************************************/ -#define CHAR char -#define UCHAR unsigned char -#define SHORT short -#define USHORT unsigned short -#define BOOL unsigned short -#define LONG long -#define ULONG unsigned long -#define VOID void - -/************************************************/ -/* Timeout konstants */ -/************************************************/ -#define TIMEOUT_READY 10 // 100 mSec -#define TIMEOUT_DRQ 40 // 400 mSec - -/************************************************/ -/* Misc. macros */ -/************************************************/ -#define ANY2SCSI(up, p) \ -((UCHAR *)up)[0] = (((ULONG)(p)) >> 8); \ -((UCHAR *)up)[1] = ((ULONG)(p)); - -#define SCSI2LONG(up) \ -( (((long)*(((UCHAR *)up))) << 16) \ -+ (((long)(((UCHAR *)up)[1])) << 8) \ -+ ((long)(((UCHAR *)up)[2])) ) - -#define XANY2SCSI(up, p) \ -((UCHAR *)up)[0] = ((long)(p)) >> 24; \ -((UCHAR *)up)[1] = ((long)(p)) >> 16; \ -((UCHAR *)up)[2] = ((long)(p)) >> 8; \ -((UCHAR *)up)[3] = ((long)(p)); - -#define XSCSI2LONG(up) \ -( (((long)(((UCHAR *)up)[0])) << 24) \ -+ (((long)(((UCHAR *)up)[1])) << 16) \ -+ (((long)(((UCHAR *)up)[2])) << 8) \ -+ ((long)(((UCHAR *)up)[3])) ) - -/************************************************/ -/* SCSI CDB operation codes */ -/************************************************/ -#define SCSIOP_TEST_UNIT_READY 0x00 -#define SCSIOP_REZERO_UNIT 0x01 -#define SCSIOP_REWIND 0x01 -#define SCSIOP_REQUEST_BLOCK_ADDR 0x02 -#define SCSIOP_REQUEST_SENSE 0x03 -#define SCSIOP_FORMAT_UNIT 0x04 -#define SCSIOP_READ_BLOCK_LIMITS 0x05 -#define SCSIOP_REASSIGN_BLOCKS 0x07 -#define SCSIOP_READ6 0x08 -#define SCSIOP_RECEIVE 0x08 -#define SCSIOP_WRITE6 0x0A -#define SCSIOP_PRINT 0x0A -#define SCSIOP_SEND 0x0A -#define SCSIOP_SEEK6 0x0B -#define SCSIOP_TRACK_SELECT 0x0B -#define SCSIOP_SLEW_PRINT 0x0B -#define SCSIOP_SEEK_BLOCK 0x0C -#define SCSIOP_PARTITION 0x0D -#define SCSIOP_READ_REVERSE 0x0F -#define SCSIOP_WRITE_FILEMARKS 0x10 -#define SCSIOP_FLUSH_BUFFER 0x10 -#define SCSIOP_SPACE 0x11 -#define SCSIOP_INQUIRY 0x12 -#define SCSIOP_VERIFY6 0x13 -#define SCSIOP_RECOVER_BUF_DATA 0x14 -#define SCSIOP_MODE_SELECT 0x15 -#define SCSIOP_RESERVE_UNIT 0x16 -#define SCSIOP_RELEASE_UNIT 0x17 -#define SCSIOP_COPY 0x18 -#define SCSIOP_ERASE 0x19 -#define SCSIOP_MODE_SENSE 0x1A -#define SCSIOP_START_STOP_UNIT 0x1B -#define SCSIOP_STOP_PRINT 0x1B -#define SCSIOP_LOAD_UNLOAD 0x1B -#define SCSIOP_RECEIVE_DIAGNOSTIC 0x1C -#define SCSIOP_SEND_DIAGNOSTIC 0x1D -#define SCSIOP_MEDIUM_REMOVAL 0x1E -#define SCSIOP_READ_CAPACITY 0x25 -#define SCSIOP_READ 0x28 -#define SCSIOP_WRITE 0x2A -#define SCSIOP_SEEK 0x2B -#define SCSIOP_LOCATE 0x2B -#define SCSIOP_WRITE_VERIFY 0x2E -#define SCSIOP_VERIFY 0x2F -#define SCSIOP_SEARCH_DATA_HIGH 0x30 -#define SCSIOP_SEARCH_DATA_EQUAL 0x31 -#define SCSIOP_SEARCH_DATA_LOW 0x32 -#define SCSIOP_SET_LIMITS 0x33 -#define SCSIOP_READ_POSITION 0x34 -#define SCSIOP_SYNCHRONIZE_CACHE 0x35 -#define SCSIOP_COMPARE 0x39 -#define SCSIOP_COPY_COMPARE 0x3A -#define SCSIOP_WRITE_DATA_BUFF 0x3B -#define SCSIOP_READ_DATA_BUFF 0x3C -#define SCSIOP_CHANGE_DEFINITION 0x40 -#define SCSIOP_READ_SUB_CHANNEL 0x42 -#define SCSIOP_READ_TOC 0x43 -#define SCSIOP_READ_HEADER 0x44 -#define SCSIOP_PLAY_AUDIO 0x45 -#define SCSIOP_PLAY_AUDIO_MSF 0x47 -#define SCSIOP_PLAY_TRACK_INDEX 0x48 -#define SCSIOP_PLAY_TRACK_RELATIVE 0x49 -#define SCSIOP_PAUSE_RESUME 0x4B -#define SCSIOP_LOG_SELECT 0x4C -#define SCSIOP_LOG_SENSE 0x4D -#define SCSIOP_MODE_SELECT10 0x55 -#define SCSIOP_MODE_SENSE10 0x5A -#define SCSIOP_LOAD_UNLOAD_SLOT 0xA6 -#define SCSIOP_MECHANISM_STATUS 0xBD -#define SCSIOP_READ_CD 0xBE - -// IDE command definitions -#define IDE_COMMAND_ATAPI_RESET 0x08 -#define IDE_COMMAND_READ 0x20 -#define IDE_COMMAND_WRITE 0x30 -#define IDE_COMMAND_RECALIBRATE 0x10 -#define IDE_COMMAND_SEEK 0x70 -#define IDE_COMMAND_SET_PARAMETERS 0x91 -#define IDE_COMMAND_VERIFY 0x40 -#define IDE_COMMAND_ATAPI_PACKET 0xA0 -#define IDE_COMMAND_ATAPI_IDENTIFY 0xA1 -#define IDE_CMD_READ_MULTIPLE 0xC4 -#define IDE_CMD_WRITE_MULTIPLE 0xC5 -#define IDE_CMD_SET_MULTIPLE 0xC6 -#define IDE_COMMAND_WRITE_DMA 0xCA -#define IDE_COMMAND_READ_DMA 0xC8 -#define IDE_COMMAND_IDENTIFY 0xEC - -// IDE status definitions -#define IDE_STATUS_ERROR 0x01 -#define IDE_STATUS_INDEX 0x02 -#define IDE_STATUS_CORRECTED_ERROR 0x04 -#define IDE_STATUS_DRQ 0x08 -#define IDE_STATUS_DSC 0x10 -#define IDE_STATUS_WRITE_FAULT 0x20 -#define IDE_STATUS_DRDY 0x40 -#define IDE_STATUS_BUSY 0x80 - -// IDE error definitions -#define IDE_ERROR_AMNF 0x01 -#define IDE_ERROR_TKONF 0x02 -#define IDE_ERROR_ABRT 0x04 -#define IDE_ERROR_MCR 0x08 -#define IDE_ERROR_IDFN 0x10 -#define IDE_ERROR_MC 0x20 -#define IDE_ERROR_UNC 0x40 -#define IDE_ERROR_BBK 0x80 - -// IDE interface structure -typedef struct _IDE_STRUCT - { - union - { - UCHAR ide[9]; - struct - { - USHORT data; - UCHAR sectors; - UCHAR lba[4]; - UCHAR cmd; - UCHAR spigot; - } ides; - } ide; - } IDE_STRUCT; - -// SCSI read capacity structure -typedef struct _READ_CAPACITY_DATA - { - ULONG blks; /* total blocks (converted to little endian) */ - ULONG blksiz; /* size of each (converted to little endian) */ - } READ_CAPACITY_DATA, *PREAD_CAPACITY_DATA; - -// SCSI inquiry data -#ifndef HOSTS_C - -typedef struct _INQUIRYDATA - { - UCHAR DeviceType :5; - UCHAR DeviceTypeQualifier :3; - UCHAR DeviceTypeModifier :7; - UCHAR RemovableMedia :1; - UCHAR Versions; - UCHAR ResponseDataFormat; - UCHAR AdditionalLength; - UCHAR Reserved[2]; - UCHAR SoftReset :1; - UCHAR CommandQueue :1; - UCHAR Reserved2 :1; - UCHAR LinkedCommands :1; - UCHAR Synchronous :1; - UCHAR Wide16Bit :1; - UCHAR Wide32Bit :1; - UCHAR RelativeAddressing :1; - UCHAR VendorId[8]; - UCHAR ProductId[16]; - UCHAR ProductRevisionLevel[4]; - UCHAR VendorSpecific[20]; - UCHAR Reserved3[40]; - } INQUIRYDATA, *PINQUIRYDATA; -#endif - -// IDE IDENTIFY data -typedef struct _IDENTIFY_DATA - { - USHORT GeneralConfiguration; // 00 - USHORT NumberOfCylinders; // 02 - USHORT Reserved1; // 04 - USHORT NumberOfHeads; // 06 - USHORT UnformattedBytesPerTrack; // 08 - USHORT UnformattedBytesPerSector; // 0A - USHORT SectorsPerTrack; // 0C - USHORT VendorUnique1[3]; // 0E - USHORT SerialNumber[10]; // 14 - USHORT BufferType; // 28 - USHORT BufferSectorSize; // 2A - USHORT NumberOfEccBytes; // 2C - USHORT FirmwareRevision[4]; // 2E - USHORT ModelNumber[20]; // 36 - UCHAR MaximumBlockTransfer; // 5E - UCHAR VendorUnique2; // 5F - USHORT DoubleWordIo; // 60 - USHORT Capabilities; // 62 - USHORT Reserved2; // 64 - UCHAR VendorUnique3; // 66 - UCHAR PioCycleTimingMode; // 67 - UCHAR VendorUnique4; // 68 - UCHAR DmaCycleTimingMode; // 69 - USHORT TranslationFieldsValid:1; // 6A - USHORT Reserved3:15; - USHORT NumberOfCurrentCylinders; // 6C - USHORT NumberOfCurrentHeads; // 6E - USHORT CurrentSectorsPerTrack; // 70 - ULONG CurrentSectorCapacity; // 72 - USHORT Reserved4[197]; // 76 - } IDENTIFY_DATA, *PIDENTIFY_DATA; - -// Identify data without the Reserved4. -typedef struct _IDENTIFY_DATA2 { - USHORT GeneralConfiguration; // 00 - USHORT NumberOfCylinders; // 02 - USHORT Reserved1; // 04 - USHORT NumberOfHeads; // 06 - USHORT UnformattedBytesPerTrack; // 08 - USHORT UnformattedBytesPerSector; // 0A - USHORT SectorsPerTrack; // 0C - USHORT VendorUnique1[3]; // 0E - USHORT SerialNumber[10]; // 14 - USHORT BufferType; // 28 - USHORT BufferSectorSize; // 2A - USHORT NumberOfEccBytes; // 2C - USHORT FirmwareRevision[4]; // 2E - USHORT ModelNumber[20]; // 36 - UCHAR MaximumBlockTransfer; // 5E - UCHAR VendorUnique2; // 5F - USHORT DoubleWordIo; // 60 - USHORT Capabilities; // 62 - USHORT Reserved2; // 64 - UCHAR VendorUnique3; // 66 - UCHAR PioCycleTimingMode; // 67 - UCHAR VendorUnique4; // 68 - UCHAR DmaCycleTimingMode; // 69 - USHORT TranslationFieldsValid:1; // 6A - USHORT Reserved3:15; - USHORT NumberOfCurrentCylinders; // 6C - USHORT NumberOfCurrentHeads; // 6E - USHORT CurrentSectorsPerTrack; // 70 - ULONG CurrentSectorCapacity; // 72 - } IDENTIFY_DATA2, *PIDENTIFY_DATA2; - -#endif // PSI_EIDE_SCSIOP - -// function prototypes -int Psi240i_Command(struct scsi_cmnd *SCpnt); -int Psi240i_Abort(struct scsi_cmnd *SCpnt); -int Psi240i_Reset(struct scsi_cmnd *SCpnt, unsigned int flags); -#endif diff --git a/drivers/scsi/psi_chip.h b/drivers/scsi/psi_chip.h deleted file mode 100644 index 224cf8f64c97..000000000000 --- a/drivers/scsi/psi_chip.h +++ /dev/null @@ -1,195 +0,0 @@ -/*+M************************************************************************* - * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux. - * - * Copyright (c) 1997 Perceptive Solutions, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - * - * - * File Name: psi_chip.h - * - * Description: This file contains the interface defines and - * error codes. - * - *-M*************************************************************************/ -#ifndef PSI_CHIP -#define PSI_CHIP - -/************************************************/ -/* Misc konstants */ -/************************************************/ -#define CHIP_MAXDRIVES 8 - -/************************************************/ -/* Chip I/O addresses */ -/************************************************/ -#define CHIP_ADRS_0 0x0130 -#define CHIP_ADRS_1 0x0150 -#define CHIP_ADRS_2 0x0190 -#define CHIP_ADRS_3 0x0210 -#define CHIP_ADRS_4 0x0230 -#define CHIP_ADRS_5 0x0250 - -/************************************************/ -/* EEPROM locations */ -/************************************************/ -#define CHIP_EEPROM_BIOS 0x0000 // BIOS base address -#define CHIP_EEPROM_DATA 0x2000 // SETUP data base address -#define CHIP_EEPROM_FACTORY 0x2400 // FACTORY data base address -#define CHIP_EEPROM_SETUP 0x3000 // SETUP PROGRAM base address - -#define CHIP_EEPROM_SIZE 32768U // size of the entire EEPROM -#define CHIP_EEPROM_BIOS_SIZE 8192 // size of the BIOS in bytes -#define CHIP_EEPROM_DATA_SIZE 4096 // size of factory, setup, log data block in bytes -#define CHIP_EEPROM_SETUP_SIZE 20480U // size of the setup program in bytes - -/************************************************/ -/* Chip Interrupts */ -/************************************************/ -#define CHIP_IRQ_10 0x72 -#define CHIP_IRQ_11 0x73 -#define CHIP_IRQ_12 0x74 - -/************************************************/ -/* Chip Setup addresses */ -/************************************************/ -#define CHIP_SETUP_BASE 0x0000C000L - -/************************************************/ -/* Chip Register address offsets */ -/************************************************/ -#define REG_DATA 0x00 -#define REG_ERROR 0x01 -#define REG_SECTOR_COUNT 0x02 -#define REG_LBA_0 0x03 -#define REG_LBA_8 0x04 -#define REG_LBA_16 0x05 -#define REG_LBA_24 0x06 -#define REG_STAT_CMD 0x07 -#define REG_SEL_FAIL 0x08 -#define REG_IRQ_STATUS 0x09 -#define REG_ADDRESS 0x0A -#define REG_FAIL 0x0C -#define REG_ALT_STAT 0x0E -#define REG_DRIVE_ADRS 0x0F - -/************************************************/ -/* Chip RAM locations */ -/************************************************/ -#define CHIP_DEVICE 0x8000 -#define CHIP_DEVICE_0 0x8000 -#define CHIP_DEVICE_1 0x8008 -#define CHIP_DEVICE_2 0x8010 -#define CHIP_DEVICE_3 0x8018 -#define CHIP_DEVICE_4 0x8020 -#define CHIP_DEVICE_5 0x8028 -#define CHIP_DEVICE_6 0x8030 -#define CHIP_DEVICE_7 0x8038 -typedef struct - { - UCHAR channel; // channel of this device (0-8). - UCHAR spt; // Sectors Per Track. - ULONG spc; // Sectors Per Cylinder. - } CHIP_DEVICE_N; - -#define CHIP_CONFIG 0x8100 // address of boards configuration. -typedef struct - { - UCHAR irq; // interrupt request channel number - UCHAR numDrives; // Number of accessible drives - UCHAR fastFormat; // Boolean for fast format enable - } CHIP_CONFIG_N; - -#define CHIP_MAP 0x8108 // eight byte device type map. - - -#define CHIP_RAID 0x8120 // array of RAID signature structures and LBA -#define CHIP_RAID_1 0x8120 -#define CHIP_RAID_2 0x8130 -#define CHIP_RAID_3 0x8140 -#define CHIP_RAID_4 0x8150 - -/************************************************/ -/* Chip Register Masks */ -/************************************************/ -#define CHIP_ID 0x7B -#define SEL_RAM 0x8000 -#define MASK_FAIL 0x80 - -/************************************************/ -/* Chip cable select bits */ -/************************************************/ -#define SECTORSXFER 8 - -/************************************************/ -/* Chip cable select bits */ -/************************************************/ -#define SEL_NONE 0x00 -#define SEL_1 0x01 -#define SEL_2 0x02 -#define SEL_3 0x04 -#define SEL_4 0x08 - -/************************************************/ -/* Programmable Interrupt Controller*/ -/************************************************/ -#define PIC1 0x20 // first 8259 base port address -#define PIC2 0xA0 // second 8259 base port address -#define INT_OCW1 1 // Operation Control Word 1: IRQ mask -#define EOI 0x20 // non-specific end-of-interrupt - -/************************************************/ -/* Device/Geometry controls */ -/************************************************/ -#define GEOMETRY_NONE 0x0 // No device -#define GEOMETRY_AUTO 0x1 // Geometry set automatically -#define GEOMETRY_USER 0x2 // User supplied geometry - -#define DEVICE_NONE 0x0 // No device present -#define DEVICE_INACTIVE 0x1 // device present but not registered active -#define DEVICE_ATAPI 0x2 // ATAPI device (CD_ROM, Tape, Etc...) -#define DEVICE_DASD_NONLBA 0x3 // Non LBA incompatible device -#define DEVICE_DASD_LBA 0x4 // LBA compatible device - -/************************************************/ -/* Setup Structure Definitions */ -/************************************************/ -typedef struct // device setup parameters - { - UCHAR geometryControl; // geometry control flags - UCHAR device; // device code - USHORT sectors; // number of sectors per track - USHORT heads; // number of heads - USHORT cylinders; // number of cylinders for this device - ULONG blocks; // number of blocks on device - USHORT spare1; - USHORT spare2; - } SETUP_DEVICE, *PSETUP_DEVICE; - -typedef struct // master setup structure - { - USHORT startupDelay; - USHORT promptBIOS; - USHORT fastFormat; - USHORT spare2; - USHORT spare3; - USHORT spare4; - USHORT spare5; - USHORT spare6; - SETUP_DEVICE setupDevice[8]; - } SETUP, *PSETUP; - -#endif - diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 288640756099..c94906abfee3 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -528,7 +528,7 @@ __setup("qla1280=", qla1280_setup); #define CMD_CDBLEN(Cmnd) Cmnd->cmd_len #define CMD_CDBP(Cmnd) Cmnd->cmnd #define CMD_SNSP(Cmnd) Cmnd->sense_buffer -#define CMD_SNSLEN(Cmnd) sizeof(Cmnd->sense_buffer) +#define CMD_SNSLEN(Cmnd) SCSI_SENSE_BUFFERSIZE #define CMD_RESULT(Cmnd) Cmnd->result #define CMD_HANDLE(Cmnd) Cmnd->host_scribble #define CMD_REQUEST(Cmnd) Cmnd->request->cmd @@ -3715,7 +3715,7 @@ qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt, } else sense_sz = 0; memset(cmd->sense_buffer + sense_sz, 0, - sizeof(cmd->sense_buffer) - sense_sz); + SCSI_SENSE_BUFFERSIZE - sense_sz); dprintk(2, "qla1280_status_entry: Check " "condition Sense data, b %i, t %i, " diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile index 71ddb5db4944..c51fd1f86639 100644 --- a/drivers/scsi/qla2xxx/Makefile +++ b/drivers/scsi/qla2xxx/Makefile @@ -1,4 +1,4 @@ qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \ - qla_dbg.o qla_sup.o qla_attr.o qla_mid.o + qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index fb388b8c07cf..adf97320574b 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -9,7 +9,7 @@ #include <linux/kthread.h> #include <linux/vmalloc.h> -int qla24xx_vport_disable(struct fc_vport *, bool); +static int qla24xx_vport_disable(struct fc_vport *, bool); /* SYSFS attributes --------------------------------------------------------- */ @@ -958,7 +958,7 @@ qla2x00_issue_lip(struct Scsi_Host *shost) { scsi_qla_host_t *ha = shost_priv(shost); - set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags); + qla2x00_loop_reset(ha); return 0; } @@ -967,35 +967,51 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) { scsi_qla_host_t *ha = shost_priv(shost); int rval; - uint16_t mb_stat[1]; - link_stat_t stat_buf; + struct link_statistics *stats; + dma_addr_t stats_dma; struct fc_host_statistics *pfc_host_stat; - rval = QLA_FUNCTION_FAILED; pfc_host_stat = &ha->fc_host_stat; memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics)); + stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma); + if (stats == NULL) { + DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n", + __func__, ha->host_no)); + goto done; + } + memset(stats, 0, DMA_POOL_SIZE); + + rval = QLA_FUNCTION_FAILED; if (IS_FWI2_CAPABLE(ha)) { - rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf, - sizeof(stat_buf) / 4, mb_stat); + rval = qla24xx_get_isp_stats(ha, stats, stats_dma); } else if (atomic_read(&ha->loop_state) == LOOP_READY && !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) && !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) && !ha->dpc_active) { /* Must be in a 'READY' state for statistics retrieval. */ - rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf, - mb_stat); + rval = qla2x00_get_link_status(ha, ha->loop_id, stats, + stats_dma); } if (rval != QLA_SUCCESS) - goto done; + goto done_free; + + pfc_host_stat->link_failure_count = stats->link_fail_cnt; + pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt; + pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt; + pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt; + pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt; + pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt; + if (IS_FWI2_CAPABLE(ha)) { + pfc_host_stat->tx_frames = stats->tx_frames; + pfc_host_stat->rx_frames = stats->rx_frames; + pfc_host_stat->dumped_frames = stats->dumped_frames; + pfc_host_stat->nos_count = stats->nos_rcvd; + } - pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt; - pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt; - pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt; - pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt; - pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt; - pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt; +done_free: + dma_pool_free(ha->s_dma_pool, stats, stats_dma); done: return pfc_host_stat; } @@ -1113,7 +1129,7 @@ vport_create_failed_2: return FC_VPORT_FAILED; } -int +static int qla24xx_vport_delete(struct fc_vport *fc_vport) { scsi_qla_host_t *ha = shost_priv(fc_vport->shost); @@ -1124,7 +1140,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport) down(&ha->vport_sem); ha->cur_vport_count--; - clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map); + clear_bit(vha->vp_idx, ha->vp_idx_map); up(&ha->vport_sem); kfree(vha->node_name); @@ -1146,7 +1162,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport) return 0; } -int +static int qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) { scsi_qla_host_t *vha = fc_vport->dd_data; diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index eaa04dabcdf6..d88e98c476b0 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -1051,6 +1051,7 @@ qla25xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked) struct qla25xx_fw_dump *fw; uint32_t ext_mem_cnt; void *nxt; + struct qla2xxx_fce_chain *fcec; risc_address = ext_mem_cnt = 0; flags = 0; @@ -1321,10 +1322,31 @@ qla25xx_fw_dump(scsi_qla_host_t *ha, int hardware_locked) if (rval != QLA_SUCCESS) goto qla25xx_fw_dump_failed_0; + /* Fibre Channel Trace Buffer. */ nxt = qla2xxx_copy_queues(ha, nxt); if (ha->eft) memcpy(nxt, ha->eft, ntohl(ha->fw_dump->eft_size)); + /* Fibre Channel Event Buffer. */ + if (!ha->fce) + goto qla25xx_fw_dump_failed_0; + + ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); + + fcec = nxt + ntohl(ha->fw_dump->eft_size); + fcec->type = __constant_htonl(DUMP_CHAIN_FCE | DUMP_CHAIN_LAST); + fcec->chain_size = htonl(sizeof(struct qla2xxx_fce_chain) + + fce_calc_size(ha->fce_bufs)); + fcec->size = htonl(fce_calc_size(ha->fce_bufs)); + fcec->addr_l = htonl(LSD(ha->fce_dma)); + fcec->addr_h = htonl(MSD(ha->fce_dma)); + + iter_reg = fcec->eregs; + for (cnt = 0; cnt < 8; cnt++) + *iter_reg++ = htonl(ha->fce_mb[cnt]); + + memcpy(iter_reg, ha->fce, ntohl(fcec->size)); + qla25xx_fw_dump_failed_0: if (rval != QLA_SUCCESS) { qla_printk(KERN_WARNING, ha, @@ -1428,21 +1450,6 @@ qla2x00_print_scsi_cmd(struct scsi_cmnd * cmd) printk(" sp flags=0x%x\n", sp->flags); } -void -qla2x00_dump_pkt(void *pkt) -{ - uint32_t i; - uint8_t *data = (uint8_t *) pkt; - - for (i = 0; i < 64; i++) { - if (!(i % 4)) - printk("\n%02x: ", i); - - printk("%02x ", data[i]); - } - printk("\n"); -} - #if defined(QL_DEBUG_ROUTINES) /* * qla2x00_formatted_dump_buffer diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h index a50ecf0b7c84..524598afc81c 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.h +++ b/drivers/scsi/qla2xxx/qla_dbg.h @@ -256,6 +256,25 @@ struct qla25xx_fw_dump { #define EFT_BYTES_PER_BUFFER 0x4000 #define EFT_SIZE ((EFT_BYTES_PER_BUFFER) * (EFT_NUM_BUFFERS)) +#define FCE_NUM_BUFFERS 64 +#define FCE_BYTES_PER_BUFFER 0x400 +#define FCE_SIZE ((FCE_BYTES_PER_BUFFER) * (FCE_NUM_BUFFERS)) +#define fce_calc_size(b) ((FCE_BYTES_PER_BUFFER) * (b)) + +struct qla2xxx_fce_chain { + uint32_t type; + uint32_t chain_size; + + uint32_t size; + uint32_t addr_l; + uint32_t addr_h; + uint32_t eregs[8]; +}; + +#define DUMP_CHAIN_VARIANT 0x80000000 +#define DUMP_CHAIN_FCE 0x7FFFFAF0 +#define DUMP_CHAIN_LAST 0x80000000 + struct qla2xxx_fw_dump { uint8_t signature[4]; uint32_t version; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 04e8cbca4c0d..6f129da37589 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -623,9 +623,6 @@ typedef struct { #define MBC_GET_LINK_PRIV_STATS 0x6d /* Get link & private data. */ #define MBC_SET_VENDOR_ID 0x76 /* Set Vendor ID. */ -#define TC_ENABLE 4 -#define TC_DISABLE 5 - /* Firmware return data sizes */ #define FCAL_MAP_SIZE 128 @@ -862,14 +859,20 @@ typedef struct { #define GLSO_SEND_RPS BIT_0 #define GLSO_USE_DID BIT_3 -typedef struct { - uint32_t link_fail_cnt; - uint32_t loss_sync_cnt; - uint32_t loss_sig_cnt; - uint32_t prim_seq_err_cnt; - uint32_t inval_xmit_word_cnt; - uint32_t inval_crc_cnt; -} link_stat_t; +struct link_statistics { + uint32_t link_fail_cnt; + uint32_t loss_sync_cnt; + uint32_t loss_sig_cnt; + uint32_t prim_seq_err_cnt; + uint32_t inval_xmit_word_cnt; + uint32_t inval_crc_cnt; + uint32_t unused1[0x1b]; + uint32_t tx_frames; + uint32_t rx_frames; + uint32_t dumped_frames; + uint32_t unused2[2]; + uint32_t nos_rcvd; +}; /* * NVRAM Command values. @@ -2116,14 +2119,6 @@ struct qla_msix_entry { #define WATCH_INTERVAL 1 /* number of seconds */ -/* NPIV */ -#define MAX_MULTI_ID_LOOP 126 -#define MAX_MULTI_ID_FABRIC 64 -#define MAX_NUM_VPORT_LOOP (MAX_MULTI_ID_LOOP - 1) -#define MAX_NUM_VPORT_FABRIC (MAX_MULTI_ID_FABRIC - 1) -#define MAX_NUM_VHBA_LOOP (MAX_MULTI_ID_LOOP - 1) -#define MAX_NUM_VHBA_FABRIC (MAX_MULTI_ID_FABRIC - 1) - /* * Linux Host Adapter structure */ @@ -2161,6 +2156,7 @@ typedef struct scsi_qla_host { uint32_t gpsc_supported :1; uint32_t vsan_enabled :1; uint32_t npiv_supported :1; + uint32_t fce_enabled :1; } flags; atomic_t loop_state; @@ -2273,8 +2269,7 @@ typedef struct scsi_qla_host { int bars; device_reg_t __iomem *iobase; /* Base I/O address */ - unsigned long pio_address; - unsigned long pio_length; + resource_size_t pio_address; #define MIN_IOBASE_LEN 0x100 /* ISP ring lock, rings, and indexes */ @@ -2416,9 +2411,9 @@ typedef struct scsi_qla_host { #define MBX_INTR_WAIT 2 #define MBX_UPDATE_FLASH_ACTIVE 3 - struct semaphore mbx_cmd_sem; /* Serialialize mbx access */ struct semaphore vport_sem; /* Virtual port synchronization */ - struct semaphore mbx_intr_sem; /* Used for completion notification */ + struct completion mbx_cmd_comp; /* Serialize mbx access */ + struct completion mbx_intr_comp; /* Used for completion notification */ uint32_t mbx_flags; #define MBX_IN_PROGRESS BIT_0 @@ -2455,6 +2450,15 @@ typedef struct scsi_qla_host { dma_addr_t eft_dma; void *eft; + struct dentry *dfs_dir; + struct dentry *dfs_fce; + dma_addr_t fce_dma; + void *fce; + uint32_t fce_bufs; + uint16_t fce_mb[8]; + uint64_t fce_wr, fce_rd; + struct mutex fce_mutex; + uint8_t host_str[16]; uint32_t pci_attr; uint16_t chip_revision; @@ -2507,7 +2511,7 @@ typedef struct scsi_qla_host { struct list_head vp_list; /* list of VP */ struct fc_vport *fc_vport; /* holds fc_vport * for each vport */ - uint8_t vp_idx_map[16]; + unsigned long vp_idx_map[(MAX_MULTI_ID_FABRIC / 8) / sizeof(unsigned long)]; uint16_t num_vhosts; /* number of vports created */ uint16_t num_vsans; /* number of vsan created */ uint16_t vp_idx; /* vport ID */ diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c new file mode 100644 index 000000000000..1479c60441c8 --- /dev/null +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -0,0 +1,175 @@ +/* + * QLogic Fibre Channel HBA Driver + * Copyright (c) 2003-2005 QLogic Corporation + * + * See LICENSE.qla2xxx for copyright and licensing details. + */ +#include "qla_def.h" + +#include <linux/debugfs.h> +#include <linux/seq_file.h> + +static struct dentry *qla2x00_dfs_root; +static atomic_t qla2x00_dfs_root_count; + +static int +qla2x00_dfs_fce_show(struct seq_file *s, void *unused) +{ + scsi_qla_host_t *ha = s->private; + uint32_t cnt; + uint32_t *fce; + uint64_t fce_start; + + mutex_lock(&ha->fce_mutex); + + seq_printf(s, "FCE Trace Buffer\n"); + seq_printf(s, "In Pointer = %llx\n\n", ha->fce_wr); + seq_printf(s, "Base = %llx\n\n", (unsigned long long) ha->fce_dma); + seq_printf(s, "FCE Enable Registers\n"); + seq_printf(s, "%08x %08x %08x %08x %08x %08x\n", + ha->fce_mb[0], ha->fce_mb[2], ha->fce_mb[3], ha->fce_mb[4], + ha->fce_mb[5], ha->fce_mb[6]); + + fce = (uint32_t *) ha->fce; + fce_start = (unsigned long long) ha->fce_dma; + for (cnt = 0; cnt < fce_calc_size(ha->fce_bufs) / 4; cnt++) { + if (cnt % 8 == 0) + seq_printf(s, "\n%llx: ", + (unsigned long long)((cnt * 4) + fce_start)); + else + seq_printf(s, " "); + seq_printf(s, "%08x", *fce++); + } + + seq_printf(s, "\nEnd\n"); + + mutex_unlock(&ha->fce_mutex); + + return 0; +} + +static int +qla2x00_dfs_fce_open(struct inode *inode, struct file *file) +{ + scsi_qla_host_t *ha = inode->i_private; + int rval; + + if (!ha->flags.fce_enabled) + goto out; + + mutex_lock(&ha->fce_mutex); + + /* Pause tracing to flush FCE buffers. */ + rval = qla2x00_disable_fce_trace(ha, &ha->fce_wr, &ha->fce_rd); + if (rval) + qla_printk(KERN_WARNING, ha, + "DebugFS: Unable to disable FCE (%d).\n", rval); + + ha->flags.fce_enabled = 0; + + mutex_unlock(&ha->fce_mutex); +out: + return single_open(file, qla2x00_dfs_fce_show, ha); +} + +static int +qla2x00_dfs_fce_release(struct inode *inode, struct file *file) +{ + scsi_qla_host_t *ha = inode->i_private; + int rval; + + if (ha->flags.fce_enabled) + goto out; + + mutex_lock(&ha->fce_mutex); + + /* Re-enable FCE tracing. */ + ha->flags.fce_enabled = 1; + memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); + rval = qla2x00_enable_fce_trace(ha, ha->fce_dma, ha->fce_bufs, + ha->fce_mb, &ha->fce_bufs); + if (rval) { + qla_printk(KERN_WARNING, ha, + "DebugFS: Unable to reinitialize FCE (%d).\n", rval); + ha->flags.fce_enabled = 0; + } + + mutex_unlock(&ha->fce_mutex); +out: + return single_release(inode, file); +} + +static const struct file_operations dfs_fce_ops = { + .open = qla2x00_dfs_fce_open, + .read = seq_read, + .llseek = seq_lseek, + .release = qla2x00_dfs_fce_release, +}; + +int +qla2x00_dfs_setup(scsi_qla_host_t *ha) +{ + if (!IS_QLA25XX(ha)) + goto out; + if (!ha->fce) + goto out; + + if (qla2x00_dfs_root) + goto create_dir; + + atomic_set(&qla2x00_dfs_root_count, 0); + qla2x00_dfs_root = debugfs_create_dir(QLA2XXX_DRIVER_NAME, NULL); + if (!qla2x00_dfs_root) { + qla_printk(KERN_NOTICE, ha, + "DebugFS: Unable to create root directory.\n"); + goto out; + } + +create_dir: + if (ha->dfs_dir) + goto create_nodes; + + mutex_init(&ha->fce_mutex); + ha->dfs_dir = debugfs_create_dir(ha->host_str, qla2x00_dfs_root); + if (!ha->dfs_dir) { + qla_printk(KERN_NOTICE, ha, + "DebugFS: Unable to create ha directory.\n"); + goto out; + } + + atomic_inc(&qla2x00_dfs_root_count); + +create_nodes: + ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, ha, + &dfs_fce_ops); + if (!ha->dfs_fce) { + qla_printk(KERN_NOTICE, ha, + "DebugFS: Unable to fce node.\n"); + goto out; + } +out: + return 0; +} + +int +qla2x00_dfs_remove(scsi_qla_host_t *ha) +{ + if (ha->dfs_fce) { + debugfs_remove(ha->dfs_fce); + ha->dfs_fce = NULL; + } + + if (ha->dfs_dir) { + debugfs_remove(ha->dfs_dir); + ha->dfs_dir = NULL; + atomic_dec(&qla2x00_dfs_root_count); + } + + if (atomic_read(&qla2x00_dfs_root_count) == 0 && + qla2x00_dfs_root) { + debugfs_remove(qla2x00_dfs_root); + qla2x00_dfs_root = NULL; + } + + return 0; +} diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 25364b1aaf12..9337e138ed63 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -952,9 +952,31 @@ struct device_reg_24xx { uint32_t iobase_sdata; }; +/* Trace Control *************************************************************/ + +#define TC_AEN_DISABLE 0 + +#define TC_EFT_ENABLE 4 +#define TC_EFT_DISABLE 5 + +#define TC_FCE_ENABLE 8 +#define TC_FCE_OPTIONS 0 +#define TC_FCE_DEFAULT_RX_SIZE 2112 +#define TC_FCE_DEFAULT_TX_SIZE 2112 +#define TC_FCE_DISABLE 9 +#define TC_FCE_DISABLE_TRACE BIT_0 + /* MID Support ***************************************************************/ -#define MAX_MID_VPS 125 +#define MIN_MULTI_ID_FABRIC 64 /* Must be power-of-2. */ +#define MAX_MULTI_ID_FABRIC 256 /* ... */ + +#define for_each_mapped_vp_idx(_ha, _idx) \ + for (_idx = find_next_bit((_ha)->vp_idx_map, \ + (_ha)->max_npiv_vports + 1, 1); \ + _idx <= (_ha)->max_npiv_vports; \ + _idx = find_next_bit((_ha)->vp_idx_map, \ + (_ha)->max_npiv_vports + 1, _idx + 1)) \ struct mid_conf_entry_24xx { uint16_t reserved_1; @@ -982,7 +1004,7 @@ struct mid_init_cb_24xx { uint16_t count; uint16_t options; - struct mid_conf_entry_24xx entries[MAX_MID_VPS]; + struct mid_conf_entry_24xx entries[MAX_MULTI_ID_FABRIC]; }; @@ -1002,10 +1024,6 @@ struct mid_db_entry_24xx { uint8_t reserved_1; }; -struct mid_db_24xx { - struct mid_db_entry_24xx entries[MAX_MID_VPS]; -}; - /* * Virtual Fabric ID type definition. */ diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 09cb2a908059..ba35fc26ce6b 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -65,33 +65,25 @@ extern int ql2xextended_error_logging; extern int ql2xqfullrampup; extern int num_hosts; +extern int qla2x00_loop_reset(scsi_qla_host_t *); + /* * Global Functions in qla_mid.c source file. */ -extern struct scsi_host_template qla2x00_driver_template; extern struct scsi_host_template qla24xx_driver_template; extern struct scsi_transport_template *qla2xxx_transport_vport_template; -extern uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); extern void qla2x00_timer(scsi_qla_host_t *); extern void qla2x00_start_timer(scsi_qla_host_t *, void *, unsigned long); -extern void qla2x00_stop_timer(scsi_qla_host_t *); -extern uint32_t qla24xx_allocate_vp_id(scsi_qla_host_t *); extern void qla24xx_deallocate_vp_id(scsi_qla_host_t *); extern int qla24xx_disable_vp (scsi_qla_host_t *); extern int qla24xx_enable_vp (scsi_qla_host_t *); -extern void qla2x00_mem_free(scsi_qla_host_t *); extern int qla24xx_control_vp(scsi_qla_host_t *, int ); extern int qla24xx_modify_vp_config(scsi_qla_host_t *); extern int qla2x00_send_change_request(scsi_qla_host_t *, uint16_t, uint16_t); extern void qla2x00_vp_stop_timer(scsi_qla_host_t *); extern int qla24xx_configure_vhba (scsi_qla_host_t *); -extern int qla24xx_get_vp_entry(scsi_qla_host_t *, uint16_t, int); -extern int qla24xx_get_vp_database(scsi_qla_host_t *, uint16_t); -extern int qla2x00_do_dpc_vp(scsi_qla_host_t *); extern void qla24xx_report_id_acquisition(scsi_qla_host_t *, struct vp_rpt_id_entry_24xx *); -extern scsi_qla_host_t * qla24xx_find_vhost_by_name(scsi_qla_host_t *, - uint8_t *); extern void qla2x00_do_dpc_all_vps(scsi_qla_host_t *); extern int qla24xx_vport_create_req_sanity_check(struct fc_vport *); extern scsi_qla_host_t * qla24xx_create_vhost(struct fc_vport *); @@ -103,8 +95,6 @@ extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *); extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int); extern void qla2x00_mark_all_devices_lost(scsi_qla_host_t *, int); -extern int qla2x00_down_timeout(struct semaphore *, unsigned long); - extern struct fw_blob *qla2x00_request_firmware(scsi_qla_host_t *); extern int qla2x00_wait_for_hba_online(scsi_qla_host_t *); @@ -113,7 +103,6 @@ extern void qla2xxx_wake_dpc(scsi_qla_host_t *); extern void qla2x00_alert_all_vps(scsi_qla_host_t *, uint16_t *); extern void qla2x00_async_event(scsi_qla_host_t *, uint16_t *); extern void qla2x00_vp_abort_isp(scsi_qla_host_t *); -extern int qla24xx_vport_delete(struct fc_vport *); /* * Global Function Prototypes in qla_iocb.c source file. @@ -222,21 +211,16 @@ extern int qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map); extern int -qla2x00_get_link_status(scsi_qla_host_t *, uint16_t, link_stat_t *, - uint16_t *); +qla2x00_get_link_status(scsi_qla_host_t *, uint16_t, struct link_statistics *, + dma_addr_t); extern int -qla24xx_get_isp_stats(scsi_qla_host_t *, uint32_t *, uint32_t, uint16_t *); +qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *, + dma_addr_t); extern int qla24xx_abort_command(scsi_qla_host_t *, srb_t *); extern int qla24xx_abort_target(fc_port_t *); -extern int qla2x00_system_error(scsi_qla_host_t *); - -extern int -qla2x00_get_serdes_params(scsi_qla_host_t *, uint16_t *, uint16_t *, - uint16_t *); - extern int qla2x00_set_serdes_params(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t); @@ -244,13 +228,19 @@ extern int qla2x00_stop_firmware(scsi_qla_host_t *); extern int -qla2x00_trace_control(scsi_qla_host_t *, uint16_t, dma_addr_t, uint16_t); +qla2x00_enable_eft_trace(scsi_qla_host_t *, dma_addr_t, uint16_t); +extern int +qla2x00_disable_eft_trace(scsi_qla_host_t *); extern int -qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t, uint16_t); +qla2x00_enable_fce_trace(scsi_qla_host_t *, dma_addr_t, uint16_t , uint16_t *, + uint32_t *); extern int -qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t *, uint16_t *); +qla2x00_disable_fce_trace(scsi_qla_host_t *, uint64_t *, uint64_t *); + +extern int +qla2x00_read_sfp(scsi_qla_host_t *, dma_addr_t, uint16_t, uint16_t, uint16_t); extern int qla2x00_set_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t *); @@ -270,11 +260,7 @@ extern void qla2x00_free_irqs(scsi_qla_host_t *); /* * Global Function Prototypes in qla_sup.c source file. */ -extern void qla2x00_lock_nvram_access(scsi_qla_host_t *); -extern void qla2x00_unlock_nvram_access(scsi_qla_host_t *); extern void qla2x00_release_nvram_protection(scsi_qla_host_t *); -extern uint16_t qla2x00_get_nvram_word(scsi_qla_host_t *, uint32_t); -extern void qla2x00_write_nvram_word(scsi_qla_host_t *, uint32_t, uint16_t); extern uint32_t *qla24xx_read_flash_data(scsi_qla_host_t *, uint32_t *, uint32_t, uint32_t); extern uint8_t *qla2x00_read_nvram_data(scsi_qla_host_t *, uint8_t *, uint32_t, @@ -321,7 +307,6 @@ extern void qla25xx_fw_dump(scsi_qla_host_t *, int); extern void qla2x00_dump_regs(scsi_qla_host_t *); extern void qla2x00_dump_buffer(uint8_t *, uint32_t); extern void qla2x00_print_scsi_cmd(struct scsi_cmnd *); -extern void qla2x00_dump_pkt(void *); /* * Global Function Prototypes in qla_gs.c source file. @@ -356,4 +341,10 @@ extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *); extern void qla2x00_init_host_attr(scsi_qla_host_t *); extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *); extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *); + +/* + * Global Function Prototypes in qla_dfs.c source file. + */ +extern int qla2x00_dfs_setup(scsi_qla_host_t *); +extern int qla2x00_dfs_remove(scsi_qla_host_t *); #endif /* _QLA_GBL_H */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 191dafd89be0..d0633ca894be 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -732,9 +732,9 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) { int rval; uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, - eft_size; - dma_addr_t eft_dma; - void *eft; + eft_size, fce_size; + dma_addr_t tc_dma; + void *tc; if (ha->fw_dump) { qla_printk(KERN_WARNING, ha, @@ -743,7 +743,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) } ha->fw_dumped = 0; - fixed_size = mem_size = eft_size = 0; + fixed_size = mem_size = eft_size = fce_size = 0; if (IS_QLA2100(ha) || IS_QLA2200(ha)) { fixed_size = sizeof(struct qla2100_fw_dump); } else if (IS_QLA23XX(ha)) { @@ -758,21 +758,21 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) sizeof(uint32_t); /* Allocate memory for Extended Trace Buffer. */ - eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma, + tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, GFP_KERNEL); - if (!eft) { + if (!tc) { qla_printk(KERN_WARNING, ha, "Unable to allocate " "(%d KB) for EFT.\n", EFT_SIZE / 1024); goto cont_alloc; } - rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma, - EFT_NUM_BUFFERS); + memset(tc, 0, EFT_SIZE); + rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS); if (rval) { qla_printk(KERN_WARNING, ha, "Unable to initialize " "EFT (%d).\n", rval); - dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft, - eft_dma); + dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, + tc_dma); goto cont_alloc; } @@ -780,9 +780,40 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) EFT_SIZE / 1024); eft_size = EFT_SIZE; - memset(eft, 0, eft_size); - ha->eft_dma = eft_dma; - ha->eft = eft; + ha->eft_dma = tc_dma; + ha->eft = tc; + + /* Allocate memory for Fibre Channel Event Buffer. */ + if (!IS_QLA25XX(ha)) + goto cont_alloc; + + tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, + GFP_KERNEL); + if (!tc) { + qla_printk(KERN_WARNING, ha, "Unable to allocate " + "(%d KB) for FCE.\n", FCE_SIZE / 1024); + goto cont_alloc; + } + + memset(tc, 0, FCE_SIZE); + rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, + ha->fce_mb, &ha->fce_bufs); + if (rval) { + qla_printk(KERN_WARNING, ha, "Unable to initialize " + "FCE (%d).\n", rval); + dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, + tc_dma); + ha->flags.fce_enabled = 0; + goto cont_alloc; + } + + qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", + FCE_SIZE / 1024); + + fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; + ha->flags.fce_enabled = 1; + ha->fce_dma = tc_dma; + ha->fce = tc; } cont_alloc: req_q_size = ha->request_q_length * sizeof(request_t); @@ -790,7 +821,7 @@ cont_alloc: dump_size = offsetof(struct qla2xxx_fw_dump, isp); dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + - eft_size; + eft_size + fce_size; ha->fw_dump = vmalloc(dump_size); if (!ha->fw_dump) { @@ -922,9 +953,9 @@ qla2x00_setup_chip(scsi_qla_host_t *ha) ha->flags.npiv_supported = 1; if ((!ha->max_npiv_vports) || ((ha->max_npiv_vports + 1) % - MAX_MULTI_ID_FABRIC)) + MIN_MULTI_ID_FABRIC)) ha->max_npiv_vports = - MAX_NUM_VPORT_FABRIC; + MIN_MULTI_ID_FABRIC - 1; } if (ql2xallocfwdump) @@ -1162,7 +1193,10 @@ qla2x00_init_rings(scsi_qla_host_t *ha) DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); - mid_init_cb->count = ha->max_npiv_vports; + if (ha->flags.npiv_supported) + mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); + + mid_init_cb->options = __constant_cpu_to_le16(BIT_1); rval = qla2x00_init_firmware(ha, ha->init_cb_size); if (rval) { @@ -2566,14 +2600,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) /* Bypass virtual ports of the same host. */ if (pha->num_vhosts) { - vp_index = find_next_bit( - (unsigned long *)pha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, 1); - - for (;vp_index <= MAX_MULTI_ID_FABRIC; - vp_index = find_next_bit( - (unsigned long *)pha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) { + for_each_mapped_vp_idx(pha, vp_index) { empty_vp_index = 1; found_vp = 0; list_for_each_entry(vha, &pha->vp_list, @@ -2592,7 +2619,8 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) new_fcport->d_id.b24 == vha->d_id.b24) break; } - if (vp_index <= MAX_MULTI_ID_FABRIC) + + if (vp_index <= pha->max_npiv_vports) continue; } @@ -3245,7 +3273,7 @@ qla2x00_abort_isp(scsi_qla_host_t *ha) clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); if (ha->eft) { - rval = qla2x00_trace_control(ha, TC_ENABLE, + rval = qla2x00_enable_eft_trace(ha, ha->eft_dma, EFT_NUM_BUFFERS); if (rval) { qla_printk(KERN_WARNING, ha, @@ -3253,6 +3281,21 @@ qla2x00_abort_isp(scsi_qla_host_t *ha) "(%d).\n", rval); } } + + if (ha->fce) { + ha->flags.fce_enabled = 1; + memset(ha->fce, 0, + fce_calc_size(ha->fce_bufs)); + rval = qla2x00_enable_fce_trace(ha, + ha->fce_dma, ha->fce_bufs, ha->fce_mb, + &ha->fce_bufs); + if (rval) { + qla_printk(KERN_WARNING, ha, + "Unable to reinitialize FCE " + "(%d).\n", rval); + ha->flags.fce_enabled = 0; + } + } } else { /* failed the ISP abort */ ha->flags.online = 1; if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 1104bd2eed40..642a0c3f09c6 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -104,7 +104,7 @@ qla2100_intr_handler(int irq, void *dev_id) if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && (status & MBX_INTERRUPT) && ha->flags.mbox_int) { set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - up(&ha->mbx_intr_sem); + complete(&ha->mbx_intr_comp); } return (IRQ_HANDLED); @@ -216,7 +216,7 @@ qla2300_intr_handler(int irq, void *dev_id) if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && (status & MBX_INTERRUPT) && ha->flags.mbox_int) { set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - up(&ha->mbx_intr_sem); + complete(&ha->mbx_intr_comp); } return (IRQ_HANDLED); @@ -347,10 +347,6 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) break; case MBA_SYSTEM_ERR: /* System Error */ - mb[1] = RD_MAILBOX_REG(ha, reg, 1); - mb[2] = RD_MAILBOX_REG(ha, reg, 2); - mb[3] = RD_MAILBOX_REG(ha, reg, 3); - qla_printk(KERN_INFO, ha, "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n", mb[1], mb[2], mb[3]); @@ -579,12 +575,15 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb) /* Check if the Vport has issued a SCR */ if (ha->parent && test_bit(VP_SCR_NEEDED, &ha->vp_flags)) break; + /* Only handle SCNs for our Vport index. */ + if (ha->flags.npiv_supported && ha->vp_idx != mb[3]) + break; DEBUG2(printk("scsi(%ld): Asynchronous RSCR UPDATE.\n", ha->host_no)); DEBUG(printk(KERN_INFO - "scsi(%ld): RSCN database changed -- %04x %04x.\n", - ha->host_no, mb[1], mb[2])); + "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", + ha->host_no, mb[1], mb[2], mb[3])); rscn_entry = (mb[1] << 16) | mb[2]; host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) | @@ -823,6 +822,35 @@ qla2x00_process_response_queue(struct scsi_qla_host *ha) WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), ha->rsp_ring_index); } +static inline void +qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len) +{ + struct scsi_cmnd *cp = sp->cmd; + + if (sense_len >= SCSI_SENSE_BUFFERSIZE) + sense_len = SCSI_SENSE_BUFFERSIZE; + + CMD_ACTUAL_SNSLEN(cp) = sense_len; + sp->request_sense_length = sense_len; + sp->request_sense_ptr = cp->sense_buffer; + if (sp->request_sense_length > 32) + sense_len = 32; + + memcpy(cp->sense_buffer, sense_data, sense_len); + + sp->request_sense_ptr += sense_len; + sp->request_sense_length -= sense_len; + if (sp->request_sense_length != 0) + sp->ha->status_srb = sp; + + DEBUG5(printk("%s(): Check condition Sense data, scsi(%ld:%d:%d:%d) " + "cmd=%p pid=%ld\n", __func__, sp->ha->host_no, cp->device->channel, + cp->device->id, cp->device->lun, cp, cp->serial_number)); + if (sense_len) + DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, + CMD_ACTUAL_SNSLEN(cp))); +} + /** * qla2x00_status_entry() - Process a Status IOCB entry. * @ha: SCSI driver HA context @@ -977,36 +1005,11 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) if (lscsi_status != SS_CHECK_CONDITION) break; - /* Copy Sense Data into sense buffer. */ - memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); - + memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - if (sense_len >= sizeof(cp->sense_buffer)) - sense_len = sizeof(cp->sense_buffer); - - CMD_ACTUAL_SNSLEN(cp) = sense_len; - sp->request_sense_length = sense_len; - sp->request_sense_ptr = cp->sense_buffer; - - if (sp->request_sense_length > 32) - sense_len = 32; - - memcpy(cp->sense_buffer, sense_data, sense_len); - - sp->request_sense_ptr += sense_len; - sp->request_sense_length -= sense_len; - if (sp->request_sense_length != 0) - ha->status_srb = sp; - - DEBUG5(printk("%s(): Check condition Sense data, " - "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", __func__, - ha->host_no, cp->device->channel, cp->device->id, - cp->device->lun, cp, cp->serial_number)); - if (sense_len) - DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, - CMD_ACTUAL_SNSLEN(cp))); + qla2x00_handle_sense(sp, sense_data, sense_len); break; case CS_DATA_UNDERRUN: @@ -1061,34 +1064,11 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) if (lscsi_status != SS_CHECK_CONDITION) break; - /* Copy Sense Data into sense buffer */ - memset(cp->sense_buffer, 0, sizeof(cp->sense_buffer)); - + memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (!(scsi_status & SS_SENSE_LEN_VALID)) break; - if (sense_len >= sizeof(cp->sense_buffer)) - sense_len = sizeof(cp->sense_buffer); - - CMD_ACTUAL_SNSLEN(cp) = sense_len; - sp->request_sense_length = sense_len; - sp->request_sense_ptr = cp->sense_buffer; - - if (sp->request_sense_length > 32) - sense_len = 32; - - memcpy(cp->sense_buffer, sense_data, sense_len); - - sp->request_sense_ptr += sense_len; - sp->request_sense_length -= sense_len; - if (sp->request_sense_length != 0) - ha->status_srb = sp; - - DEBUG5(printk("%s(): Check condition Sense data, " - "scsi(%ld:%d:%d:%d) cmd=%p pid=%ld\n", - __func__, ha->host_no, cp->device->channel, - cp->device->id, cp->device->lun, cp, - cp->serial_number)); + qla2x00_handle_sense(sp, sense_data, sense_len); /* * In case of a Underrun condition, set both the lscsi @@ -1108,10 +1088,6 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt) cp->result = DID_ERROR << 16 | lscsi_status; } - - if (sense_len) - DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, - CMD_ACTUAL_SNSLEN(cp))); } else { /* * If RISC reports underrun and target does not report @@ -1621,7 +1597,7 @@ qla24xx_intr_handler(int irq, void *dev_id) if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && (status & MBX_INTERRUPT) && ha->flags.mbox_int) { set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - up(&ha->mbx_intr_sem); + complete(&ha->mbx_intr_comp); } return IRQ_HANDLED; @@ -1758,7 +1734,7 @@ qla24xx_msix_default(int irq, void *dev_id) if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && (status & MBX_INTERRUPT) && ha->flags.mbox_int) { set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - up(&ha->mbx_intr_sem); + complete(&ha->mbx_intr_comp); } return IRQ_HANDLED; @@ -1853,6 +1829,18 @@ qla2x00_request_irqs(scsi_qla_host_t *ha) goto skip_msix; } + if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && + (ha->pdev->subsystem_device == 0x7040 || + ha->pdev->subsystem_device == 0x7041 || + ha->pdev->subsystem_device == 0x1705)) { + DEBUG2(qla_printk(KERN_WARNING, ha, + "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", + ha->pdev->subsystem_vendor, + ha->pdev->subsystem_device)); + + goto skip_msi; + } + ret = qla24xx_enable_msix(ha); if (!ret) { DEBUG2(qla_printk(KERN_INFO, ha, diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index ccd662a6f5dc..0c10c0b0fb73 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -8,19 +8,6 @@ #include <linux/delay.h> -static void -qla2x00_mbx_sem_timeout(unsigned long data) -{ - struct semaphore *sem_ptr = (struct semaphore *)data; - - DEBUG11(printk("qla2x00_sem_timeout: entered.\n")); - - if (sem_ptr != NULL) { - up(sem_ptr); - } - - DEBUG11(printk("qla2x00_mbx_sem_timeout: exiting.\n")); -} /* * qla2x00_mailbox_command @@ -47,7 +34,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp) int rval; unsigned long flags = 0; device_reg_t __iomem *reg; - struct timer_list tmp_intr_timer; uint8_t abort_active; uint8_t io_lock_on; uint16_t command; @@ -72,7 +58,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp) * non ISP abort time. */ if (!abort_active) { - if (qla2x00_down_timeout(&ha->mbx_cmd_sem, mcp->tov * HZ)) { + if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, + mcp->tov * HZ)) { /* Timeout occurred. Return error. */ DEBUG2_3_11(printk("%s(%ld): cmd access timeout. " "Exiting.\n", __func__, ha->host_no)); @@ -135,22 +122,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp) /* Wait for mbx cmd completion until timeout */ if (!abort_active && io_lock_on) { - /* sleep on completion semaphore */ - DEBUG11(printk("%s(%ld): INTERRUPT MODE. Initializing timer.\n", - __func__, ha->host_no)); - - init_timer(&tmp_intr_timer); - tmp_intr_timer.data = (unsigned long)&ha->mbx_intr_sem; - tmp_intr_timer.expires = jiffies + mcp->tov * HZ; - tmp_intr_timer.function = - (void (*)(unsigned long))qla2x00_mbx_sem_timeout; - - DEBUG11(printk("%s(%ld): Adding timer.\n", __func__, - ha->host_no)); - add_timer(&tmp_intr_timer); - - DEBUG11(printk("%s(%ld): going to unlock & sleep. " - "time=0x%lx.\n", __func__, ha->host_no, jiffies)); set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); @@ -160,17 +131,10 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp) WRT_REG_WORD(®->isp.hccr, HCCR_SET_HOST_INT); spin_unlock_irqrestore(&ha->hardware_lock, flags); - /* Wait for either the timer to expire - * or the mbox completion interrupt - */ - down(&ha->mbx_intr_sem); + wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ); - DEBUG11(printk("%s(%ld): waking up. time=0x%lx\n", __func__, - ha->host_no, jiffies)); clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); - /* delete the timer */ - del_timer(&tmp_intr_timer); } else { DEBUG3_11(printk("%s(%ld): cmd=%x POLLING MODE.\n", __func__, ha->host_no, command)); @@ -299,7 +263,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp) /* Allow next mbx cmd to come in. */ if (!abort_active) - up(&ha->mbx_cmd_sem); + complete(&ha->mbx_cmd_comp); if (rval) { DEBUG2_3_11(printk("%s(%ld): **** FAILED. mbx0=%x, mbx1=%x, " @@ -905,7 +869,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *ha, uint16_t *id, uint8_t *al_pa, mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID; mcp->mb[9] = ha->vp_idx; - mcp->out_mb = MBX_0; + mcp->out_mb = MBX_9|MBX_0; mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; mcp->tov = 30; mcp->flags = 0; @@ -1016,7 +980,7 @@ qla2x00_init_firmware(scsi_qla_host_t *ha, uint16_t size) DEBUG11(printk("qla2x00_init_firmware(%ld): entered.\n", ha->host_no)); - if (ha->flags.npiv_supported) + if (ha->fw_attributes & BIT_2) mcp->mb[0] = MBC_MID_INITIALIZE_FIRMWARE; else mcp->mb[0] = MBC_INITIALIZE_FIRMWARE; @@ -2042,29 +2006,20 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map) */ int qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id, - link_stat_t *ret_buf, uint16_t *status) + struct link_statistics *stats, dma_addr_t stats_dma) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - link_stat_t *stat_buf; - dma_addr_t stat_buf_dma; + uint32_t *siter, *diter, dwords; DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - stat_buf = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &stat_buf_dma); - if (stat_buf == NULL) { - DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n", - __func__, ha->host_no)); - return BIT_0; - } - memset(stat_buf, 0, sizeof(link_stat_t)); - mcp->mb[0] = MBC_GET_LINK_STATUS; - mcp->mb[2] = MSW(stat_buf_dma); - mcp->mb[3] = LSW(stat_buf_dma); - mcp->mb[6] = MSW(MSD(stat_buf_dma)); - mcp->mb[7] = LSW(MSD(stat_buf_dma)); + mcp->mb[2] = MSW(stats_dma); + mcp->mb[3] = LSW(stats_dma); + mcp->mb[6] = MSW(MSD(stats_dma)); + mcp->mb[7] = LSW(MSD(stats_dma)); mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; mcp->in_mb = MBX_0; if (IS_FWI2_CAPABLE(ha)) { @@ -2089,78 +2044,43 @@ qla2x00_get_link_status(scsi_qla_host_t *ha, uint16_t loop_id, if (mcp->mb[0] != MBS_COMMAND_COMPLETE) { DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n", __func__, ha->host_no, mcp->mb[0])); - status[0] = mcp->mb[0]; - rval = BIT_1; + rval = QLA_FUNCTION_FAILED; } else { - /* copy over data -- firmware data is LE. */ - ret_buf->link_fail_cnt = - le32_to_cpu(stat_buf->link_fail_cnt); - ret_buf->loss_sync_cnt = - le32_to_cpu(stat_buf->loss_sync_cnt); - ret_buf->loss_sig_cnt = - le32_to_cpu(stat_buf->loss_sig_cnt); - ret_buf->prim_seq_err_cnt = - le32_to_cpu(stat_buf->prim_seq_err_cnt); - ret_buf->inval_xmit_word_cnt = - le32_to_cpu(stat_buf->inval_xmit_word_cnt); - ret_buf->inval_crc_cnt = - le32_to_cpu(stat_buf->inval_crc_cnt); - - DEBUG11(printk("%s(%ld): stat dump: fail_cnt=%d " - "loss_sync=%d loss_sig=%d seq_err=%d " - "inval_xmt_word=%d inval_crc=%d.\n", __func__, - ha->host_no, stat_buf->link_fail_cnt, - stat_buf->loss_sync_cnt, stat_buf->loss_sig_cnt, - stat_buf->prim_seq_err_cnt, - stat_buf->inval_xmit_word_cnt, - stat_buf->inval_crc_cnt)); + /* Copy over data -- firmware data is LE. */ + dwords = offsetof(struct link_statistics, unused1) / 4; + siter = diter = &stats->link_fail_cnt; + while (dwords--) + *diter++ = le32_to_cpu(*siter++); } } else { /* Failed. */ DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__, ha->host_no, rval)); - rval = BIT_1; } - dma_pool_free(ha->s_dma_pool, stat_buf, stat_buf_dma); - return rval; } int -qla24xx_get_isp_stats(scsi_qla_host_t *ha, uint32_t *dwbuf, uint32_t dwords, - uint16_t *status) +qla24xx_get_isp_stats(scsi_qla_host_t *ha, struct link_statistics *stats, + dma_addr_t stats_dma) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - uint32_t *sbuf, *siter; - dma_addr_t sbuf_dma; + uint32_t *siter, *diter, dwords; DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - if (dwords > (DMA_POOL_SIZE / 4)) { - DEBUG2_3_11(printk("%s(%ld): Unabled to retrieve %d DWORDs " - "(max %d).\n", __func__, ha->host_no, dwords, - DMA_POOL_SIZE / 4)); - return BIT_0; - } - sbuf = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &sbuf_dma); - if (sbuf == NULL) { - DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n", - __func__, ha->host_no)); - return BIT_0; - } - memset(sbuf, 0, DMA_POOL_SIZE); - mcp->mb[0] = MBC_GET_LINK_PRIV_STATS; - mcp->mb[2] = MSW(sbuf_dma); - mcp->mb[3] = LSW(sbuf_dma); - mcp->mb[6] = MSW(MSD(sbuf_dma)); - mcp->mb[7] = LSW(MSD(sbuf_dma)); - mcp->mb[8] = dwords; + mcp->mb[2] = MSW(stats_dma); + mcp->mb[3] = LSW(stats_dma); + mcp->mb[6] = MSW(MSD(stats_dma)); + mcp->mb[7] = LSW(MSD(stats_dma)); + mcp->mb[8] = sizeof(struct link_statistics) / 4; + mcp->mb[9] = ha->vp_idx; mcp->mb[10] = 0; - mcp->out_mb = MBX_10|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; + mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; mcp->in_mb = MBX_2|MBX_1|MBX_0; mcp->tov = 30; mcp->flags = IOCTL_CMD; @@ -2170,23 +2090,20 @@ qla24xx_get_isp_stats(scsi_qla_host_t *ha, uint32_t *dwbuf, uint32_t dwords, if (mcp->mb[0] != MBS_COMMAND_COMPLETE) { DEBUG2_3_11(printk("%s(%ld): cmd failed. mbx0=%x.\n", __func__, ha->host_no, mcp->mb[0])); - status[0] = mcp->mb[0]; - rval = BIT_1; + rval = QLA_FUNCTION_FAILED; } else { /* Copy over data -- firmware data is LE. */ - siter = sbuf; + dwords = sizeof(struct link_statistics) / 4; + siter = diter = &stats->link_fail_cnt; while (dwords--) - *dwbuf++ = le32_to_cpu(*siter++); + *diter++ = le32_to_cpu(*siter++); } } else { /* Failed. */ DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__, ha->host_no, rval)); - rval = BIT_1; } - dma_pool_free(ha->s_dma_pool, sbuf, sbuf_dma); - return rval; } @@ -2331,6 +2248,8 @@ atarget_done: return rval; } +#if 0 + int qla2x00_system_error(scsi_qla_host_t *ha) { @@ -2360,47 +2279,7 @@ qla2x00_system_error(scsi_qla_host_t *ha) return rval; } -/** - * qla2x00_get_serdes_params() - - * @ha: HA context - * - * Returns - */ -int -qla2x00_get_serdes_params(scsi_qla_host_t *ha, uint16_t *sw_em_1g, - uint16_t *sw_em_2g, uint16_t *sw_em_4g) -{ - int rval; - mbx_cmd_t mc; - mbx_cmd_t *mcp = &mc; - - DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - - mcp->mb[0] = MBC_SERDES_PARAMS; - mcp->mb[1] = 0; - mcp->out_mb = MBX_1|MBX_0; - mcp->in_mb = MBX_4|MBX_3|MBX_2|MBX_0; - mcp->tov = 30; - mcp->flags = 0; - rval = qla2x00_mailbox_command(ha, mcp); - - if (rval != QLA_SUCCESS) { - /*EMPTY*/ - DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__, - ha->host_no, rval, mcp->mb[0])); - } else { - DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); - - if (sw_em_1g) - *sw_em_1g = mcp->mb[2]; - if (sw_em_2g) - *sw_em_2g = mcp->mb[3]; - if (sw_em_4g) - *sw_em_4g = mcp->mb[4]; - } - - return rval; -} +#endif /* 0 */ /** * qla2x00_set_serdes_params() - @@ -2471,7 +2350,7 @@ qla2x00_stop_firmware(scsi_qla_host_t *ha) } int -qla2x00_trace_control(scsi_qla_host_t *ha, uint16_t ctrl, dma_addr_t eft_dma, +qla2x00_enable_eft_trace(scsi_qla_host_t *ha, dma_addr_t eft_dma, uint16_t buffers) { int rval; @@ -2484,22 +2363,18 @@ qla2x00_trace_control(scsi_qla_host_t *ha, uint16_t ctrl, dma_addr_t eft_dma, DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); mcp->mb[0] = MBC_TRACE_CONTROL; - mcp->mb[1] = ctrl; - mcp->out_mb = MBX_1|MBX_0; + mcp->mb[1] = TC_EFT_ENABLE; + mcp->mb[2] = LSW(eft_dma); + mcp->mb[3] = MSW(eft_dma); + mcp->mb[4] = LSW(MSD(eft_dma)); + mcp->mb[5] = MSW(MSD(eft_dma)); + mcp->mb[6] = buffers; + mcp->mb[7] = TC_AEN_DISABLE; + mcp->out_mb = MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; mcp->in_mb = MBX_1|MBX_0; - if (ctrl == TC_ENABLE) { - mcp->mb[2] = LSW(eft_dma); - mcp->mb[3] = MSW(eft_dma); - mcp->mb[4] = LSW(MSD(eft_dma)); - mcp->mb[5] = MSW(MSD(eft_dma)); - mcp->mb[6] = buffers; - mcp->mb[7] = 0; - mcp->out_mb |= MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2; - } mcp->tov = 30; mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); - if (rval != QLA_SUCCESS) { DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n", __func__, ha->host_no, rval, mcp->mb[0], mcp->mb[1])); @@ -2511,8 +2386,7 @@ qla2x00_trace_control(scsi_qla_host_t *ha, uint16_t ctrl, dma_addr_t eft_dma, } int -qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr, - uint16_t off, uint16_t count) +qla2x00_disable_eft_trace(scsi_qla_host_t *ha) { int rval; mbx_cmd_t mc; @@ -2523,24 +2397,16 @@ qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr, DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - mcp->mb[0] = MBC_READ_SFP; - mcp->mb[1] = addr; - mcp->mb[2] = MSW(sfp_dma); - mcp->mb[3] = LSW(sfp_dma); - mcp->mb[6] = MSW(MSD(sfp_dma)); - mcp->mb[7] = LSW(MSD(sfp_dma)); - mcp->mb[8] = count; - mcp->mb[9] = off; - mcp->mb[10] = 0; - mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; - mcp->in_mb = MBX_0; + mcp->mb[0] = MBC_TRACE_CONTROL; + mcp->mb[1] = TC_EFT_DISABLE; + mcp->out_mb = MBX_1|MBX_0; + mcp->in_mb = MBX_1|MBX_0; mcp->tov = 30; mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); - if (rval != QLA_SUCCESS) { - DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__, - ha->host_no, rval, mcp->mb[0])); + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n", + __func__, ha->host_no, rval, mcp->mb[0], mcp->mb[1])); } else { DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); } @@ -2549,176 +2415,168 @@ qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr, } int -qla2x00_get_idma_speed(scsi_qla_host_t *ha, uint16_t loop_id, - uint16_t *port_speed, uint16_t *mb) +qla2x00_enable_fce_trace(scsi_qla_host_t *ha, dma_addr_t fce_dma, + uint16_t buffers, uint16_t *mb, uint32_t *dwords) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - if (!IS_IIDMA_CAPABLE(ha)) + if (!IS_QLA25XX(ha)) return QLA_FUNCTION_FAILED; DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - mcp->mb[0] = MBC_PORT_PARAMS; - mcp->mb[1] = loop_id; - mcp->mb[2] = mcp->mb[3] = mcp->mb[4] = mcp->mb[5] = 0; - mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; - mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0; + mcp->mb[0] = MBC_TRACE_CONTROL; + mcp->mb[1] = TC_FCE_ENABLE; + mcp->mb[2] = LSW(fce_dma); + mcp->mb[3] = MSW(fce_dma); + mcp->mb[4] = LSW(MSD(fce_dma)); + mcp->mb[5] = MSW(MSD(fce_dma)); + mcp->mb[6] = buffers; + mcp->mb[7] = TC_AEN_DISABLE; + mcp->mb[8] = 0; + mcp->mb[9] = TC_FCE_DEFAULT_RX_SIZE; + mcp->mb[10] = TC_FCE_DEFAULT_TX_SIZE; + mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2| + MBX_1|MBX_0; + mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; mcp->tov = 30; mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); - - /* Return mailbox statuses. */ - if (mb != NULL) { - mb[0] = mcp->mb[0]; - mb[1] = mcp->mb[1]; - mb[3] = mcp->mb[3]; - mb[4] = mcp->mb[4]; - mb[5] = mcp->mb[5]; - } - if (rval != QLA_SUCCESS) { - DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__, - ha->host_no, rval)); + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n", + __func__, ha->host_no, rval, mcp->mb[0], mcp->mb[1])); } else { DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); - if (port_speed) - *port_speed = mcp->mb[3]; + + if (mb) + memcpy(mb, mcp->mb, 8 * sizeof(*mb)); + if (dwords) + *dwords = mcp->mb[6]; } return rval; } int -qla2x00_set_idma_speed(scsi_qla_host_t *ha, uint16_t loop_id, - uint16_t port_speed, uint16_t *mb) +qla2x00_disable_fce_trace(scsi_qla_host_t *ha, uint64_t *wr, uint64_t *rd) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - if (!IS_IIDMA_CAPABLE(ha)) + if (!IS_FWI2_CAPABLE(ha)) return QLA_FUNCTION_FAILED; DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - mcp->mb[0] = MBC_PORT_PARAMS; - mcp->mb[1] = loop_id; - mcp->mb[2] = BIT_0; - mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); - mcp->mb[4] = mcp->mb[5] = 0; - mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; - mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0; + mcp->mb[0] = MBC_TRACE_CONTROL; + mcp->mb[1] = TC_FCE_DISABLE; + mcp->mb[2] = TC_FCE_DISABLE_TRACE; + mcp->out_mb = MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_9|MBX_8|MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2| + MBX_1|MBX_0; mcp->tov = 30; mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); - - /* Return mailbox statuses. */ - if (mb != NULL) { - mb[0] = mcp->mb[0]; - mb[1] = mcp->mb[1]; - mb[3] = mcp->mb[3]; - mb[4] = mcp->mb[4]; - mb[5] = mcp->mb[5]; - } - if (rval != QLA_SUCCESS) { - DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__, - ha->host_no, rval)); + DEBUG2_3_11(printk("%s(%ld): failed=%x mb[0]=%x mb[1]=%x.\n", + __func__, ha->host_no, rval, mcp->mb[0], mcp->mb[1])); } else { DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); + + if (wr) + *wr = (uint64_t) mcp->mb[5] << 48 | + (uint64_t) mcp->mb[4] << 32 | + (uint64_t) mcp->mb[3] << 16 | + (uint64_t) mcp->mb[2]; + if (rd) + *rd = (uint64_t) mcp->mb[9] << 48 | + (uint64_t) mcp->mb[8] << 32 | + (uint64_t) mcp->mb[7] << 16 | + (uint64_t) mcp->mb[6]; } return rval; } -/* - * qla24xx_get_vp_database - * Get the VP's database for all configured ports. - * - * Input: - * ha = adapter block pointer. - * size = size of initialization control block. - * - * Returns: - * qla2x00 local function return status code. - * - * Context: - * Kernel context. - */ int -qla24xx_get_vp_database(scsi_qla_host_t *ha, uint16_t size) +qla2x00_read_sfp(scsi_qla_host_t *ha, dma_addr_t sfp_dma, uint16_t addr, + uint16_t off, uint16_t count) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - DEBUG11(printk("scsi(%ld):%s - entered.\n", - ha->host_no, __func__)); + if (!IS_FWI2_CAPABLE(ha)) + return QLA_FUNCTION_FAILED; - mcp->mb[0] = MBC_MID_GET_VP_DATABASE; - mcp->mb[2] = MSW(ha->init_cb_dma); - mcp->mb[3] = LSW(ha->init_cb_dma); - mcp->mb[4] = 0; - mcp->mb[5] = 0; - mcp->mb[6] = MSW(MSD(ha->init_cb_dma)); - mcp->mb[7] = LSW(MSD(ha->init_cb_dma)); - mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; - mcp->in_mb = MBX_1|MBX_0; - mcp->buf_size = size; - mcp->flags = MBX_DMA_OUT; - mcp->tov = MBX_TOV_SECONDS; + DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); + + mcp->mb[0] = MBC_READ_SFP; + mcp->mb[1] = addr; + mcp->mb[2] = MSW(sfp_dma); + mcp->mb[3] = LSW(sfp_dma); + mcp->mb[6] = MSW(MSD(sfp_dma)); + mcp->mb[7] = LSW(MSD(sfp_dma)); + mcp->mb[8] = count; + mcp->mb[9] = off; + mcp->mb[10] = 0; + mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_0; + mcp->tov = 30; + mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); if (rval != QLA_SUCCESS) { - /*EMPTY*/ - DEBUG2_3_11(printk("%s(%ld): failed=%x " - "mb0=%x.\n", - __func__, ha->host_no, rval, mcp->mb[0])); + DEBUG2_3_11(printk("%s(%ld): failed=%x (%x).\n", __func__, + ha->host_no, rval, mcp->mb[0])); } else { - /*EMPTY*/ - DEBUG11(printk("%s(%ld): done.\n", - __func__, ha->host_no)); + DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); } return rval; } int -qla24xx_get_vp_entry(scsi_qla_host_t *ha, uint16_t size, int vp_id) +qla2x00_set_idma_speed(scsi_qla_host_t *ha, uint16_t loop_id, + uint16_t port_speed, uint16_t *mb) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; + if (!IS_IIDMA_CAPABLE(ha)) + return QLA_FUNCTION_FAILED; + DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no)); - mcp->mb[0] = MBC_MID_GET_VP_ENTRY; - mcp->mb[2] = MSW(ha->init_cb_dma); - mcp->mb[3] = LSW(ha->init_cb_dma); - mcp->mb[4] = 0; - mcp->mb[5] = 0; - mcp->mb[6] = MSW(MSD(ha->init_cb_dma)); - mcp->mb[7] = LSW(MSD(ha->init_cb_dma)); - mcp->mb[9] = vp_id; - mcp->out_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; - mcp->in_mb = MBX_0; - mcp->buf_size = size; - mcp->flags = MBX_DMA_OUT; + mcp->mb[0] = MBC_PORT_PARAMS; + mcp->mb[1] = loop_id; + mcp->mb[2] = BIT_0; + mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); + mcp->mb[4] = mcp->mb[5] = 0; + mcp->out_mb = MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_5|MBX_4|MBX_3|MBX_1|MBX_0; mcp->tov = 30; + mcp->flags = 0; rval = qla2x00_mailbox_command(ha, mcp); + /* Return mailbox statuses. */ + if (mb != NULL) { + mb[0] = mcp->mb[0]; + mb[1] = mcp->mb[1]; + mb[3] = mcp->mb[3]; + mb[4] = mcp->mb[4]; + mb[5] = mcp->mb[5]; + } + if (rval != QLA_SUCCESS) { - /*EMPTY*/ - DEBUG2_3_11(printk("qla24xx_get_vp_entry(%ld): failed=%x " - "mb0=%x.\n", - ha->host_no, rval, mcp->mb[0])); + DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__, + ha->host_no, rval)); } else { - /*EMPTY*/ - DEBUG11(printk("qla24xx_get_vp_entry(%ld): done.\n", - ha->host_no)); + DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no)); } return rval; @@ -2873,7 +2731,7 @@ qla24xx_control_vp(scsi_qla_host_t *vha, int cmd) DEBUG11(printk("%s(%ld): entered. Enabling index %d\n", __func__, ha->host_no, vp_index)); - if (vp_index == 0 || vp_index >= MAX_MULTI_ID_LOOP) + if (vp_index == 0 || vp_index >= ha->max_npiv_vports) return QLA_PARAMETER_ERROR; vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma); diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index 821ee74aadc6..cf784cdafb01 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -39,7 +39,7 @@ qla2x00_vp_stop_timer(scsi_qla_host_t *vha) } } -uint32_t +static uint32_t qla24xx_allocate_vp_id(scsi_qla_host_t *vha) { uint32_t vp_id; @@ -47,16 +47,15 @@ qla24xx_allocate_vp_id(scsi_qla_host_t *vha) /* Find an empty slot and assign an vp_id */ down(&ha->vport_sem); - vp_id = find_first_zero_bit((unsigned long *)ha->vp_idx_map, - MAX_MULTI_ID_FABRIC); - if (vp_id > MAX_MULTI_ID_FABRIC) { - DEBUG15(printk ("vp_id %d is bigger than MAX_MULTI_ID_FABRID\n", - vp_id)); + vp_id = find_first_zero_bit(ha->vp_idx_map, ha->max_npiv_vports + 1); + if (vp_id > ha->max_npiv_vports) { + DEBUG15(printk ("vp_id %d is bigger than max-supported %d.\n", + vp_id, ha->max_npiv_vports)); up(&ha->vport_sem); return vp_id; } - set_bit(vp_id, (unsigned long *)ha->vp_idx_map); + set_bit(vp_id, ha->vp_idx_map); ha->num_vhosts++; vha->vp_idx = vp_id; list_add_tail(&vha->vp_list, &ha->vp_list); @@ -73,12 +72,12 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) down(&ha->vport_sem); vp_id = vha->vp_idx; ha->num_vhosts--; - clear_bit(vp_id, (unsigned long *)ha->vp_idx_map); + clear_bit(vp_id, ha->vp_idx_map); list_del(&vha->vp_list); up(&ha->vport_sem); } -scsi_qla_host_t * +static scsi_qla_host_t * qla24xx_find_vhost_by_name(scsi_qla_host_t *ha, uint8_t *port_name) { scsi_qla_host_t *vha; @@ -216,11 +215,7 @@ qla2x00_alert_all_vps(scsi_qla_host_t *ha, uint16_t *mb) if (ha->parent) return; - i = find_next_bit((unsigned long *)ha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, 1); - for (;i <= MAX_MULTI_ID_FABRIC; - i = find_next_bit((unsigned long *)ha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, i + 1)) { + for_each_mapped_vp_idx(ha, i) { vp_idx_matched = 0; list_for_each_entry(vha, &ha->vp_list, vp_list) { @@ -270,7 +265,7 @@ qla2x00_vp_abort_isp(scsi_qla_host_t *vha) qla24xx_enable_vp(vha); } -int +static int qla2x00_do_dpc_vp(scsi_qla_host_t *vha) { if (test_and_clear_bit(VP_IDX_ACQUIRED, &vha->vp_flags)) { @@ -311,11 +306,7 @@ qla2x00_do_dpc_all_vps(scsi_qla_host_t *ha) clear_bit(VP_DPC_NEEDED, &ha->dpc_flags); - i = find_next_bit((unsigned long *)ha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, 1); - for (;i <= MAX_MULTI_ID_FABRIC; - i = find_next_bit((unsigned long *)ha->vp_idx_map, - MAX_MULTI_ID_FABRIC + 1, i + 1)) { + for_each_mapped_vp_idx(ha, i) { vp_idx_matched = 0; list_for_each_entry(vha, &ha->vp_list, vp_list) { @@ -350,15 +341,17 @@ qla24xx_vport_create_req_sanity_check(struct fc_vport *fc_vport) /* Check up unique WWPN */ u64_to_wwn(fc_vport->port_name, port_name); + if (!memcmp(port_name, ha->port_name, WWN_SIZE)) + return VPCERR_BAD_WWN; vha = qla24xx_find_vhost_by_name(ha, port_name); if (vha) return VPCERR_BAD_WWN; /* Check up max-npiv-supports */ if (ha->num_vhosts > ha->max_npiv_vports) { - DEBUG15(printk("scsi(%ld): num_vhosts %d is bigger than " - "max_npv_vports %d.\n", ha->host_no, - (uint16_t) ha->num_vhosts, (int) ha->max_npiv_vports)); + DEBUG15(printk("scsi(%ld): num_vhosts %ud is bigger than " + "max_npv_vports %ud.\n", ha->host_no, + ha->num_vhosts, ha->max_npiv_vports)); return VPCERR_UNSUPPORTED; } return 0; @@ -412,8 +405,9 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) } vha->mgmt_svr_loop_id = 10 + vha->vp_idx; - init_MUTEX(&vha->mbx_cmd_sem); - init_MUTEX_LOCKED(&vha->mbx_intr_sem); + init_completion(&vha->mbx_cmd_comp); + complete(&vha->mbx_cmd_comp); + init_completion(&vha->mbx_intr_comp); INIT_LIST_HEAD(&vha->list); INIT_LIST_HEAD(&vha->fcports); @@ -450,7 +444,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) num_hosts++; down(&ha->vport_sem); - set_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map); + set_bit(vha->vp_idx, ha->vp_idx_map); ha->cur_vport_count++; up(&ha->vport_sem); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 8ecc0470b8f3..aba1e6d48066 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -105,13 +105,12 @@ static int qla2xxx_eh_abort(struct scsi_cmnd *); static int qla2xxx_eh_device_reset(struct scsi_cmnd *); static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); static int qla2xxx_eh_host_reset(struct scsi_cmnd *); -static int qla2x00_loop_reset(scsi_qla_host_t *ha); static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); static int qla2x00_change_queue_depth(struct scsi_device *, int); static int qla2x00_change_queue_type(struct scsi_device *, int); -struct scsi_host_template qla2x00_driver_template = { +static struct scsi_host_template qla2x00_driver_template = { .module = THIS_MODULE, .name = QLA2XXX_DRIVER_NAME, .queuecommand = qla2x00_queuecommand, @@ -179,13 +178,6 @@ struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; * Timer routines */ -void qla2x00_timer(scsi_qla_host_t *); - -__inline__ void qla2x00_start_timer(scsi_qla_host_t *, - void *, unsigned long); -static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); -__inline__ void qla2x00_stop_timer(scsi_qla_host_t *); - __inline__ void qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) { @@ -203,7 +195,7 @@ qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) mod_timer(&ha->timer, jiffies + interval * HZ); } -__inline__ void +static __inline__ void qla2x00_stop_timer(scsi_qla_host_t *ha) { del_timer_sync(&ha->timer); @@ -214,12 +206,11 @@ static int qla2x00_do_dpc(void *data); static void qla2x00_rst_aen(scsi_qla_host_t *); -uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); -void qla2x00_mem_free(scsi_qla_host_t *ha); +static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); +static void qla2x00_mem_free(scsi_qla_host_t *ha); static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); -void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); /* -------------------------------------------------------------------------- */ @@ -1060,7 +1051,7 @@ eh_host_reset_lock: * Returns: * 0 = success */ -static int +int qla2x00_loop_reset(scsi_qla_host_t *ha) { int ret; @@ -1479,8 +1470,7 @@ qla2x00_set_isp_flags(scsi_qla_host_t *ha) static int qla2x00_iospace_config(scsi_qla_host_t *ha) { - unsigned long pio, pio_len, pio_flags; - unsigned long mmio, mmio_len, mmio_flags; + resource_size_t pio; if (pci_request_selected_regions(ha->pdev, ha->bars, QLA2XXX_DRIVER_NAME)) { @@ -1495,10 +1485,8 @@ qla2x00_iospace_config(scsi_qla_host_t *ha) /* We only need PIO for Flash operations on ISP2312 v2 chips. */ pio = pci_resource_start(ha->pdev, 0); - pio_len = pci_resource_len(ha->pdev, 0); - pio_flags = pci_resource_flags(ha->pdev, 0); - if (pio_flags & IORESOURCE_IO) { - if (pio_len < MIN_IOBASE_LEN) { + if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { + if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { qla_printk(KERN_WARNING, ha, "Invalid PCI I/O region size (%s)...\n", pci_name(ha->pdev)); @@ -1511,28 +1499,23 @@ qla2x00_iospace_config(scsi_qla_host_t *ha) pio = 0; } ha->pio_address = pio; - ha->pio_length = pio_len; skip_pio: /* Use MMIO operations for all accesses. */ - mmio = pci_resource_start(ha->pdev, 1); - mmio_len = pci_resource_len(ha->pdev, 1); - mmio_flags = pci_resource_flags(ha->pdev, 1); - - if (!(mmio_flags & IORESOURCE_MEM)) { + if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { qla_printk(KERN_ERR, ha, - "region #0 not an MMIO resource (%s), aborting\n", + "region #1 not an MMIO resource (%s), aborting\n", pci_name(ha->pdev)); goto iospace_error_exit; } - if (mmio_len < MIN_IOBASE_LEN) { + if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { qla_printk(KERN_ERR, ha, "Invalid PCI mem region size (%s), aborting\n", pci_name(ha->pdev)); goto iospace_error_exit; } - ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); + ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); if (!ha->iobase) { qla_printk(KERN_ERR, ha, "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); @@ -1701,9 +1684,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* load the F/W, read paramaters, and init the H/W */ ha->instance = num_hosts; - init_MUTEX(&ha->mbx_cmd_sem); init_MUTEX(&ha->vport_sem); - init_MUTEX_LOCKED(&ha->mbx_intr_sem); + init_completion(&ha->mbx_cmd_comp); + complete(&ha->mbx_cmd_comp); + init_completion(&ha->mbx_intr_comp); INIT_LIST_HEAD(&ha->list); INIT_LIST_HEAD(&ha->fcports); @@ -1807,6 +1791,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) qla2x00_init_host_attr(ha); + qla2x00_dfs_setup(ha); + qla_printk(KERN_INFO, ha, "\n" " QLogic Fibre Channel HBA Driver: %s\n" " QLogic %s - %s\n" @@ -1838,6 +1824,8 @@ qla2x00_remove_one(struct pci_dev *pdev) ha = pci_get_drvdata(pdev); + qla2x00_dfs_remove(ha); + qla2x00_free_sysfs_attr(ha); fc_remove_host(ha->host); @@ -1871,8 +1859,11 @@ qla2x00_free_device(scsi_qla_host_t *ha) kthread_stop(t); } + if (ha->flags.fce_enabled) + qla2x00_disable_fce_trace(ha, NULL, NULL); + if (ha->eft) - qla2x00_trace_control(ha, TC_DISABLE, 0, 0); + qla2x00_disable_eft_trace(ha); ha->flags.online = 0; @@ -2016,7 +2007,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) * 0 = success. * 1 = failure. */ -uint8_t +static uint8_t qla2x00_mem_alloc(scsi_qla_host_t *ha) { char name[16]; @@ -2213,7 +2204,7 @@ qla2x00_mem_alloc(scsi_qla_host_t *ha) * Input: * ha = adapter block pointer. */ -void +static void qla2x00_mem_free(scsi_qla_host_t *ha) { struct list_head *fcpl, *fcptemp; @@ -2228,6 +2219,10 @@ qla2x00_mem_free(scsi_qla_host_t *ha) /* free sp pool */ qla2x00_free_sp_pool(ha); + if (ha->fce) + dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, + ha->fce_dma); + if (ha->fw_dump) { if (ha->eft) dma_free_coherent(&ha->pdev->dev, @@ -2748,23 +2743,6 @@ qla2x00_timer(scsi_qla_host_t *ha) qla2x00_restart_timer(ha, WATCH_INTERVAL); } -/* XXX(hch): crude hack to emulate a down_timeout() */ -int -qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) -{ - const unsigned int step = 100; /* msecs */ - unsigned int iterations = jiffies_to_msecs(timeout)/100; - - do { - if (!down_trylock(sema)) - return 0; - if (msleep_interruptible(step)) - break; - } while (--iterations > 0); - - return -ETIMEDOUT; -} - /* Firmware interface routines. */ #define FW_BLOBS 6 diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index ad2fa01bd233..b68fb73613ed 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -22,7 +22,7 @@ static void qla2x00_nv_write(scsi_qla_host_t *, uint16_t); * qla2x00_lock_nvram_access() - * @ha: HA context */ -void +static void qla2x00_lock_nvram_access(scsi_qla_host_t *ha) { uint16_t data; @@ -55,7 +55,7 @@ qla2x00_lock_nvram_access(scsi_qla_host_t *ha) * qla2x00_unlock_nvram_access() - * @ha: HA context */ -void +static void qla2x00_unlock_nvram_access(scsi_qla_host_t *ha) { struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; @@ -74,7 +74,7 @@ qla2x00_unlock_nvram_access(scsi_qla_host_t *ha) * * Returns the word read from nvram @addr. */ -uint16_t +static uint16_t qla2x00_get_nvram_word(scsi_qla_host_t *ha, uint32_t addr) { uint16_t data; @@ -93,7 +93,7 @@ qla2x00_get_nvram_word(scsi_qla_host_t *ha, uint32_t addr) * @addr: Address in NVRAM to write * @data: word to program */ -void +static void qla2x00_write_nvram_word(scsi_qla_host_t *ha, uint32_t addr, uint16_t data) { int count; @@ -550,7 +550,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, int ret; uint32_t liter, miter; uint32_t sec_mask, rest_addr, conf_addr; - uint32_t fdata, findex ; + uint32_t fdata, findex, cnt; uint8_t man_id, flash_id; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; dma_addr_t optrom_dma; @@ -690,8 +690,14 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr, 0xff0000) | ((fdata >> 16) & 0xff)); } - /* Enable flash write-protection. */ + /* Enable flash write-protection and wait for completion. */ qla24xx_write_flash_dword(ha, flash_conf_to_access_addr(0x101), 0x9c); + for (cnt = 300; cnt && + qla24xx_read_flash_dword(ha, + flash_conf_to_access_addr(0x005)) & BIT_0; + cnt--) { + udelay(10); + } /* Disable flash write. */ WRT_REG_DWORD(®->ctrl_status, diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index ae6f7a2fb19f..2c2f6b4697c7 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.02.00-k5" +#define QLA2XXX_VERSION "8.02.00-k7" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 2 diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index d692c713416a..cbe0a17ced5f 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -5,6 +5,7 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ +#include <scsi/iscsi_if.h> #include "ql4_def.h" #include "ql4_glbl.h" #include "ql4_dbg.h" @@ -1305,7 +1306,8 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, atomic_set(&ddb_entry->relogin_timer, 0); clear_bit(DF_RELOGIN, &ddb_entry->flags); clear_bit(DF_NO_RELOGIN, &ddb_entry->flags); - iscsi_if_create_session_done(ddb_entry->conn); + iscsi_session_event(ddb_entry->sess, + ISCSI_KEVENT_CREATE_SESSION); /* * Change the lun state to READY in case the lun TIMEOUT before * the device came back. diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 4a154beb0d39..0f029d0d7315 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -123,15 +123,14 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, break; /* Copy Sense Data into sense buffer. */ - memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); sensebytecnt = le16_to_cpu(sts_entry->senseDataByteCnt); if (sensebytecnt == 0) break; memcpy(cmd->sense_buffer, sts_entry->senseData, - min(sensebytecnt, - (uint16_t) sizeof(cmd->sense_buffer))); + min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE)); DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, " "ASC/ASCQ = %02x/%02x\n", ha->host_no, @@ -208,8 +207,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, break; /* Copy Sense Data into sense buffer. */ - memset(cmd->sense_buffer, 0, - sizeof(cmd->sense_buffer)); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); sensebytecnt = le16_to_cpu(sts_entry->senseDataByteCnt); @@ -217,8 +215,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, break; memcpy(cmd->sense_buffer, sts_entry->senseData, - min(sensebytecnt, - (uint16_t) sizeof(cmd->sense_buffer))); + min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE)); DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, " "ASC/ASCQ = %02x/%02x\n", ha->host_no, diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 89460d27c689..f55b9f7d9396 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -298,8 +298,7 @@ void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry) return; if (ddb_entry->conn) { - iscsi_if_destroy_session_done(ddb_entry->conn); - iscsi_destroy_conn(ddb_entry->conn); + atomic_set(&ddb_entry->state, DDB_STATE_DEAD); iscsi_remove_session(ddb_entry->sess); } iscsi_free_session(ddb_entry->sess); @@ -309,6 +308,7 @@ int qla4xxx_add_sess(struct ddb_entry *ddb_entry) { int err; + ddb_entry->sess->recovery_tmo = ddb_entry->ha->port_down_retry_count; err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index); if (err) { DEBUG2(printk(KERN_ERR "Could not add session.\n")); @@ -321,9 +321,6 @@ int qla4xxx_add_sess(struct ddb_entry *ddb_entry) DEBUG2(printk(KERN_ERR "Could not add connection.\n")); return -ENOMEM; } - - ddb_entry->sess->recovery_tmo = ddb_entry->ha->port_down_retry_count; - iscsi_if_create_session_done(ddb_entry->conn); return 0; } diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 7a2e7986b038..65455ab1f3b9 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -871,11 +871,12 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, struct scatterlist *sg, *s; int i, n; - if (Cmnd->use_sg) { + if (scsi_bufflen(Cmnd)) { int sg_count; - sg = (struct scatterlist *) Cmnd->request_buffer; - sg_count = sbus_map_sg(qpti->sdev, sg, Cmnd->use_sg, Cmnd->sc_data_direction); + sg = scsi_sglist(Cmnd); + sg_count = sbus_map_sg(qpti->sdev, sg, scsi_sg_count(Cmnd), + Cmnd->sc_data_direction); ds = cmd->dataseg; cmd->segment_cnt = sg_count; @@ -914,16 +915,6 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, } sg_count -= n; } - } else if (Cmnd->request_bufflen) { - Cmnd->SCp.ptr = (char *)(unsigned long) - sbus_map_single(qpti->sdev, - Cmnd->request_buffer, - Cmnd->request_bufflen, - Cmnd->sc_data_direction); - - cmd->dataseg[0].d_base = (u32) ((unsigned long)Cmnd->SCp.ptr); - cmd->dataseg[0].d_count = Cmnd->request_bufflen; - cmd->segment_cnt = 1; } else { cmd->dataseg[0].d_base = 0; cmd->dataseg[0].d_count = 0; @@ -1151,7 +1142,7 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti) if (sts->state_flags & SF_GOT_SENSE) memcpy(Cmnd->sense_buffer, sts->req_sense_data, - sizeof(Cmnd->sense_buffer)); + SCSI_SENSE_BUFFERSIZE); if (sts->hdr.entry_type == ENTRY_STATUS) Cmnd->result = @@ -1159,17 +1150,11 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti) else Cmnd->result = DID_ERROR << 16; - if (Cmnd->use_sg) { + if (scsi_bufflen(Cmnd)) sbus_unmap_sg(qpti->sdev, - (struct scatterlist *)Cmnd->request_buffer, - Cmnd->use_sg, + scsi_sglist(Cmnd), scsi_sg_count(Cmnd), Cmnd->sc_data_direction); - } else if (Cmnd->request_bufflen) { - sbus_unmap_single(qpti->sdev, - (__u32)((unsigned long)Cmnd->SCp.ptr), - Cmnd->request_bufflen, - Cmnd->sc_data_direction); - } + qpti->cmd_count[Cmnd->device->id]--; sbus_writew(out_ptr, qpti->qregs + MBOX5); Cmnd->host_scribble = (unsigned char *) done_queue; diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 0fb1709ce5e3..1a9fba6a9f92 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -122,6 +122,11 @@ static const char *const scsi_device_types[] = { "Automation/Drive ", }; +/** + * scsi_device_type - Return 17 char string indicating device type. + * @type: type number to look up + */ + const char * scsi_device_type(unsigned type) { if (type == 0x1e) @@ -136,32 +141,45 @@ const char * scsi_device_type(unsigned type) EXPORT_SYMBOL(scsi_device_type); struct scsi_host_cmd_pool { - struct kmem_cache *slab; - unsigned int users; - char *name; - unsigned int slab_flags; - gfp_t gfp_mask; + struct kmem_cache *cmd_slab; + struct kmem_cache *sense_slab; + unsigned int users; + char *cmd_name; + char *sense_name; + unsigned int slab_flags; + gfp_t gfp_mask; }; static struct scsi_host_cmd_pool scsi_cmd_pool = { - .name = "scsi_cmd_cache", + .cmd_name = "scsi_cmd_cache", + .sense_name = "scsi_sense_cache", .slab_flags = SLAB_HWCACHE_ALIGN, }; static struct scsi_host_cmd_pool scsi_cmd_dma_pool = { - .name = "scsi_cmd_cache(DMA)", + .cmd_name = "scsi_cmd_cache(DMA)", + .sense_name = "scsi_sense_cache(DMA)", .slab_flags = SLAB_HWCACHE_ALIGN|SLAB_CACHE_DMA, .gfp_mask = __GFP_DMA, }; static DEFINE_MUTEX(host_cmd_pool_mutex); +/** + * __scsi_get_command - Allocate a struct scsi_cmnd + * @shost: host to transmit command + * @gfp_mask: allocation mask + * + * Description: allocate a struct scsi_cmd from host's slab, recycling from the + * host's free_list if necessary. + */ struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask) { struct scsi_cmnd *cmd; + unsigned char *buf; - cmd = kmem_cache_alloc(shost->cmd_pool->slab, - gfp_mask | shost->cmd_pool->gfp_mask); + cmd = kmem_cache_alloc(shost->cmd_pool->cmd_slab, + gfp_mask | shost->cmd_pool->gfp_mask); if (unlikely(!cmd)) { unsigned long flags; @@ -173,19 +191,32 @@ struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *shost, gfp_t gfp_mask) list_del_init(&cmd->list); } spin_unlock_irqrestore(&shost->free_list_lock, flags); + + if (cmd) { + buf = cmd->sense_buffer; + memset(cmd, 0, sizeof(*cmd)); + cmd->sense_buffer = buf; + } + } else { + buf = kmem_cache_alloc(shost->cmd_pool->sense_slab, + gfp_mask | shost->cmd_pool->gfp_mask); + if (likely(buf)) { + memset(cmd, 0, sizeof(*cmd)); + cmd->sense_buffer = buf; + } else { + kmem_cache_free(shost->cmd_pool->cmd_slab, cmd); + cmd = NULL; + } } return cmd; } EXPORT_SYMBOL_GPL(__scsi_get_command); -/* - * Function: scsi_get_command() - * - * Purpose: Allocate and setup a scsi command block - * - * Arguments: dev - parent scsi device - * gfp_mask- allocator flags +/** + * scsi_get_command - Allocate and setup a scsi command block + * @dev: parent scsi device + * @gfp_mask: allocator flags * * Returns: The allocated scsi command structure. */ @@ -202,7 +233,6 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask) if (likely(cmd != NULL)) { unsigned long flags; - memset(cmd, 0, sizeof(*cmd)); cmd->device = dev; init_timer(&cmd->eh_timeout); INIT_LIST_HEAD(&cmd->list); @@ -217,6 +247,12 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask) } EXPORT_SYMBOL(scsi_get_command); +/** + * __scsi_put_command - Free a struct scsi_cmnd + * @shost: dev->host + * @cmd: Command to free + * @dev: parent scsi device + */ void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd, struct device *dev) { @@ -230,19 +266,19 @@ void __scsi_put_command(struct Scsi_Host *shost, struct scsi_cmnd *cmd, } spin_unlock_irqrestore(&shost->free_list_lock, flags); - if (likely(cmd != NULL)) - kmem_cache_free(shost->cmd_pool->slab, cmd); + if (likely(cmd != NULL)) { + kmem_cache_free(shost->cmd_pool->sense_slab, + cmd->sense_buffer); + kmem_cache_free(shost->cmd_pool->cmd_slab, cmd); + } put_device(dev); } EXPORT_SYMBOL(__scsi_put_command); -/* - * Function: scsi_put_command() - * - * Purpose: Free a scsi command block - * - * Arguments: cmd - command block to free +/** + * scsi_put_command - Free a scsi command block + * @cmd: command block to free * * Returns: Nothing. * @@ -263,12 +299,13 @@ void scsi_put_command(struct scsi_cmnd *cmd) } EXPORT_SYMBOL(scsi_put_command); -/* - * Function: scsi_setup_command_freelist() - * - * Purpose: Setup the command freelist for a scsi host. +/** + * scsi_setup_command_freelist - Setup the command freelist for a scsi host. + * @shost: host to allocate the freelist for. * - * Arguments: shost - host to allocate the freelist for. + * Description: The command freelist protects against system-wide out of memory + * deadlock by preallocating one SCSI command structure for each host, so the + * system can always write to a swap file on a device associated with that host. * * Returns: Nothing. */ @@ -282,16 +319,24 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost) /* * Select a command slab for this host and create it if not - * yet existant. + * yet existent. */ mutex_lock(&host_cmd_pool_mutex); pool = (shost->unchecked_isa_dma ? &scsi_cmd_dma_pool : &scsi_cmd_pool); if (!pool->users) { - pool->slab = kmem_cache_create(pool->name, - sizeof(struct scsi_cmnd), 0, - pool->slab_flags, NULL); - if (!pool->slab) + pool->cmd_slab = kmem_cache_create(pool->cmd_name, + sizeof(struct scsi_cmnd), 0, + pool->slab_flags, NULL); + if (!pool->cmd_slab) + goto fail; + + pool->sense_slab = kmem_cache_create(pool->sense_name, + SCSI_SENSE_BUFFERSIZE, 0, + pool->slab_flags, NULL); + if (!pool->sense_slab) { + kmem_cache_destroy(pool->cmd_slab); goto fail; + } } pool->users++; @@ -301,29 +346,36 @@ int scsi_setup_command_freelist(struct Scsi_Host *shost) /* * Get one backup command for this host. */ - cmd = kmem_cache_alloc(shost->cmd_pool->slab, - GFP_KERNEL | shost->cmd_pool->gfp_mask); + cmd = kmem_cache_alloc(shost->cmd_pool->cmd_slab, + GFP_KERNEL | shost->cmd_pool->gfp_mask); if (!cmd) goto fail2; - list_add(&cmd->list, &shost->free_list); + + cmd->sense_buffer = kmem_cache_alloc(shost->cmd_pool->sense_slab, + GFP_KERNEL | + shost->cmd_pool->gfp_mask); + if (!cmd->sense_buffer) + goto fail2; + + list_add(&cmd->list, &shost->free_list); return 0; fail2: - if (!--pool->users) - kmem_cache_destroy(pool->slab); - return -ENOMEM; + if (cmd) + kmem_cache_free(shost->cmd_pool->cmd_slab, cmd); + mutex_lock(&host_cmd_pool_mutex); + if (!--pool->users) { + kmem_cache_destroy(pool->cmd_slab); + kmem_cache_destroy(pool->sense_slab); + } fail: mutex_unlock(&host_cmd_pool_mutex); return -ENOMEM; - } -/* - * Function: scsi_destroy_command_freelist() - * - * Purpose: Release the command freelist for a scsi host. - * - * Arguments: shost - host that's freelist is going to be destroyed +/** + * scsi_destroy_command_freelist - Release the command freelist for a scsi host. + * @shost: host whose freelist is going to be destroyed */ void scsi_destroy_command_freelist(struct Scsi_Host *shost) { @@ -332,12 +384,16 @@ void scsi_destroy_command_freelist(struct Scsi_Host *shost) cmd = list_entry(shost->free_list.next, struct scsi_cmnd, list); list_del_init(&cmd->list); - kmem_cache_free(shost->cmd_pool->slab, cmd); + kmem_cache_free(shost->cmd_pool->sense_slab, + cmd->sense_buffer); + kmem_cache_free(shost->cmd_pool->cmd_slab, cmd); } mutex_lock(&host_cmd_pool_mutex); - if (!--shost->cmd_pool->users) - kmem_cache_destroy(shost->cmd_pool->slab); + if (!--shost->cmd_pool->users) { + kmem_cache_destroy(shost->cmd_pool->cmd_slab); + kmem_cache_destroy(shost->cmd_pool->sense_slab); + } mutex_unlock(&host_cmd_pool_mutex); } @@ -441,8 +497,12 @@ void scsi_log_completion(struct scsi_cmnd *cmd, int disposition) } #endif -/* - * Assign a serial number to the request for error recovery +/** + * scsi_cmd_get_serial - Assign a serial number to a command + * @host: the scsi host + * @cmd: command to assign serial number to + * + * Description: a serial number identifies a request for error recovery * and debugging purposes. Protected by the Host_Lock of host. */ static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd *cmd) @@ -452,14 +512,12 @@ static inline void scsi_cmd_get_serial(struct Scsi_Host *host, struct scsi_cmnd cmd->serial_number = host->cmd_serial_number++; } -/* - * Function: scsi_dispatch_command - * - * Purpose: Dispatch a command to the low-level driver. - * - * Arguments: cmd - command block we are dispatching. +/** + * scsi_dispatch_command - Dispatch a command to the low-level driver. + * @cmd: command block we are dispatching. * - * Notes: + * Return: nonzero return request was rejected and device's queue needs to be + * plugged. */ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) { @@ -585,7 +643,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) /** * scsi_req_abort_cmd -- Request command recovery for the specified command - * cmd: pointer to the SCSI command of interest + * @cmd: pointer to the SCSI command of interest * * This function requests that SCSI Core start recovery for the * command by deleting the timer and adding the command to the eh @@ -606,9 +664,9 @@ EXPORT_SYMBOL(scsi_req_abort_cmd); * @cmd: The SCSI Command for which a low-level device driver (LLDD) gives * ownership back to SCSI Core -- i.e. the LLDD has finished with it. * - * This function is the mid-level's (SCSI Core) interrupt routine, which - * regains ownership of the SCSI command (de facto) from a LLDD, and enqueues - * the command to the done queue for further processing. + * Description: This function is the mid-level's (SCSI Core) interrupt routine, + * which regains ownership of the SCSI command (de facto) from a LLDD, and + * enqueues the command to the done queue for further processing. * * This is the producer of the done queue who enqueues at the tail. * @@ -617,7 +675,7 @@ EXPORT_SYMBOL(scsi_req_abort_cmd); static void scsi_done(struct scsi_cmnd *cmd) { /* - * We don't have to worry about this one timing out any more. + * We don't have to worry about this one timing out anymore. * If we are unable to remove the timer, then the command * has already timed out. In which case, we have no choice but to * let the timeout function run, as we have no idea where in fact @@ -660,10 +718,11 @@ static struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) return *(struct scsi_driver **)cmd->request->rq_disk->private_data; } -/* - * Function: scsi_finish_command +/** + * scsi_finish_command - cleanup and pass command back to upper layer + * @cmd: the command * - * Purpose: Pass command off to upper layer for finishing of I/O + * Description: Pass command off to upper layer for finishing of I/O * request, waking processes that are waiting on results, * etc. */ @@ -708,18 +767,14 @@ void scsi_finish_command(struct scsi_cmnd *cmd) } EXPORT_SYMBOL(scsi_finish_command); -/* - * Function: scsi_adjust_queue_depth() - * - * Purpose: Allow low level drivers to tell us to change the queue depth - * on a specific SCSI device - * - * Arguments: sdev - SCSI Device in question - * tagged - Do we use tagged queueing (non-0) or do we treat - * this device as an untagged device (0) - * tags - Number of tags allowed if tagged queueing enabled, - * or number of commands the low level driver can - * queue up in non-tagged mode (as per cmd_per_lun). +/** + * scsi_adjust_queue_depth - Let low level drivers change a device's queue depth + * @sdev: SCSI Device in question + * @tagged: Do we use tagged queueing (non-0) or do we treat + * this device as an untagged device (0) + * @tags: Number of tags allowed if tagged queueing enabled, + * or number of commands the low level driver can + * queue up in non-tagged mode (as per cmd_per_lun). * * Returns: Nothing * @@ -742,8 +797,8 @@ void scsi_adjust_queue_depth(struct scsi_device *sdev, int tagged, int tags) spin_lock_irqsave(sdev->request_queue->queue_lock, flags); - /* Check to see if the queue is managed by the block layer - * if it is, and we fail to adjust the depth, exit */ + /* Check to see if the queue is managed by the block layer. + * If it is, and we fail to adjust the depth, exit. */ if (blk_queue_tagged(sdev->request_queue) && blk_queue_resize_tags(sdev->request_queue, tags) != 0) goto out; @@ -772,20 +827,17 @@ void scsi_adjust_queue_depth(struct scsi_device *sdev, int tagged, int tags) } EXPORT_SYMBOL(scsi_adjust_queue_depth); -/* - * Function: scsi_track_queue_full() +/** + * scsi_track_queue_full - track QUEUE_FULL events to adjust queue depth + * @sdev: SCSI Device in question + * @depth: Current number of outstanding SCSI commands on this device, + * not counting the one returned as QUEUE_FULL. * - * Purpose: This function will track successive QUEUE_FULL events on a + * Description: This function will track successive QUEUE_FULL events on a * specific SCSI device to determine if and when there is a * need to adjust the queue depth on the device. * - * Arguments: sdev - SCSI Device in question - * depth - Current number of outstanding SCSI commands on - * this device, not counting the one returned as - * QUEUE_FULL. - * - * Returns: 0 - No change needed - * >0 - Adjust queue depth to this new depth + * Returns: 0 - No change needed, >0 - Adjust queue depth to this new depth, * -1 - Drop back to untagged operation using host->cmd_per_lun * as the untagged command depth * @@ -824,10 +876,10 @@ int scsi_track_queue_full(struct scsi_device *sdev, int depth) EXPORT_SYMBOL(scsi_track_queue_full); /** - * scsi_device_get - get an addition reference to a scsi_device + * scsi_device_get - get an additional reference to a scsi_device * @sdev: device to get a reference to * - * Gets a reference to the scsi_device and increments the use count + * Description: Gets a reference to the scsi_device and increments the use count * of the underlying LLDD module. You must hold host_lock of the * parent Scsi_Host or already have a reference when calling this. */ @@ -849,8 +901,8 @@ EXPORT_SYMBOL(scsi_device_get); * scsi_device_put - release a reference to a scsi_device * @sdev: device to release a reference on. * - * Release a reference to the scsi_device and decrements the use count - * of the underlying LLDD module. The device is freed once the last + * Description: Release a reference to the scsi_device and decrements the use + * count of the underlying LLDD module. The device is freed once the last * user vanishes. */ void scsi_device_put(struct scsi_device *sdev) @@ -867,7 +919,7 @@ void scsi_device_put(struct scsi_device *sdev) } EXPORT_SYMBOL(scsi_device_put); -/* helper for shost_for_each_device, thus not documented */ +/* helper for shost_for_each_device, see that for documentation */ struct scsi_device *__scsi_iterate_devices(struct Scsi_Host *shost, struct scsi_device *prev) { @@ -895,6 +947,8 @@ EXPORT_SYMBOL(__scsi_iterate_devices); /** * starget_for_each_device - helper to walk all devices of a target * @starget: target whose devices we want to iterate over. + * @data: Opaque passed to each function call. + * @fn: Function to call on each device * * This traverses over each device of @starget. The devices have * a reference that must be released by scsi_host_put when breaking @@ -946,13 +1000,13 @@ EXPORT_SYMBOL(__starget_for_each_device); * @starget: SCSI target pointer * @lun: SCSI Logical Unit Number * - * Looks up the scsi_device with the specified @lun for a give - * @starget. The returned scsi_device does not have an additional + * Description: Looks up the scsi_device with the specified @lun for a given + * @starget. The returned scsi_device does not have an additional * reference. You must hold the host's host_lock over this call and * any access to the returned scsi_device. * - * Note: The only reason why drivers would want to use this is because - * they're need to access the device list in irq context. Otherwise you + * Note: The only reason why drivers should use this is because + * they need to access the device list in irq context. Otherwise you * really want to use scsi_device_lookup_by_target instead. **/ struct scsi_device *__scsi_device_lookup_by_target(struct scsi_target *starget, @@ -974,9 +1028,9 @@ EXPORT_SYMBOL(__scsi_device_lookup_by_target); * @starget: SCSI target pointer * @lun: SCSI Logical Unit Number * - * Looks up the scsi_device with the specified @channel, @id, @lun for a - * give host. The returned scsi_device has an additional reference that - * needs to be release with scsi_host_put once you're done with it. + * Description: Looks up the scsi_device with the specified @channel, @id, @lun + * for a given host. The returned scsi_device has an additional reference that + * needs to be released with scsi_device_put once you're done with it. **/ struct scsi_device *scsi_device_lookup_by_target(struct scsi_target *starget, uint lun) @@ -996,19 +1050,19 @@ struct scsi_device *scsi_device_lookup_by_target(struct scsi_target *starget, EXPORT_SYMBOL(scsi_device_lookup_by_target); /** - * scsi_device_lookup - find a device given the host (UNLOCKED) + * __scsi_device_lookup - find a device given the host (UNLOCKED) * @shost: SCSI host pointer * @channel: SCSI channel (zero if only one channel) - * @pun: SCSI target number (physical unit number) + * @id: SCSI target number (physical unit number) * @lun: SCSI Logical Unit Number * - * Looks up the scsi_device with the specified @channel, @id, @lun for a - * give host. The returned scsi_device does not have an additional reference. - * You must hold the host's host_lock over this call and any access to the - * returned scsi_device. + * Description: Looks up the scsi_device with the specified @channel, @id, @lun + * for a given host. The returned scsi_device does not have an additional + * reference. You must hold the host's host_lock over this call and any access + * to the returned scsi_device. * * Note: The only reason why drivers would want to use this is because - * they're need to access the device list in irq context. Otherwise you + * they need to access the device list in irq context. Otherwise you * really want to use scsi_device_lookup instead. **/ struct scsi_device *__scsi_device_lookup(struct Scsi_Host *shost, @@ -1033,9 +1087,9 @@ EXPORT_SYMBOL(__scsi_device_lookup); * @id: SCSI target number (physical unit number) * @lun: SCSI Logical Unit Number * - * Looks up the scsi_device with the specified @channel, @id, @lun for a - * give host. The returned scsi_device has an additional reference that - * needs to be release with scsi_host_put once you're done with it. + * Description: Looks up the scsi_device with the specified @channel, @id, @lun + * for a given host. The returned scsi_device has an additional reference that + * needs to be released with scsi_device_put once you're done with it. **/ struct scsi_device *scsi_device_lookup(struct Scsi_Host *shost, uint channel, uint id, uint lun) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 46cae5a212de..82c06f0a9d02 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -329,7 +329,7 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done) if (done == NULL) return 0; /* assume mid level reprocessing command */ - SCpnt->resid = 0; + scsi_set_resid(SCpnt, 0); if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) { printk(KERN_INFO "scsi_debug: cmd "); for (k = 0, len = SCpnt->cmd_len; k < len; ++k) @@ -603,26 +603,16 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, void * kaddr_off; struct scatterlist * sg; - if (0 == scp->request_bufflen) + if (0 == scsi_bufflen(scp)) return 0; - if (NULL == scp->request_buffer) + if (NULL == scsi_sglist(scp)) return (DID_ERROR << 16); if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) || (scp->sc_data_direction == DMA_FROM_DEVICE))) return (DID_ERROR << 16); - if (0 == scp->use_sg) { - req_len = scp->request_bufflen; - act_len = (req_len < arr_len) ? req_len : arr_len; - memcpy(scp->request_buffer, arr, act_len); - if (scp->resid) - scp->resid -= act_len; - else - scp->resid = req_len - act_len; - return 0; - } active = 1; req_len = act_len = 0; - scsi_for_each_sg(scp, sg, scp->use_sg, k) { + scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) { if (active) { kaddr = (unsigned char *) kmap_atomic(sg_page(sg), KM_USER0); @@ -640,10 +630,10 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, } req_len += sg->length; } - if (scp->resid) - scp->resid -= act_len; + if (scsi_get_resid(scp)) + scsi_set_resid(scp, scsi_get_resid(scp) - act_len); else - scp->resid = req_len - act_len; + scsi_set_resid(scp, req_len - act_len); return 0; } @@ -656,22 +646,15 @@ static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, void * kaddr_off; struct scatterlist * sg; - if (0 == scp->request_bufflen) + if (0 == scsi_bufflen(scp)) return 0; - if (NULL == scp->request_buffer) + if (NULL == scsi_sglist(scp)) return -1; if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) || (scp->sc_data_direction == DMA_TO_DEVICE))) return -1; - if (0 == scp->use_sg) { - req_len = scp->request_bufflen; - len = (req_len < max_arr_len) ? req_len : max_arr_len; - memcpy(arr, scp->request_buffer, len); - return len; - } - sg = scsi_sglist(scp); req_len = fin = 0; - for (k = 0; k < scp->use_sg; ++k, sg = sg_next(sg)) { + scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) { kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0); if (NULL == kaddr) return -1; diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 348cc5a6e3cd..b8de041bc0ae 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -276,11 +276,12 @@ static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, } /** - * scsi_dev_info_list_add: add one dev_info list entry. + * scsi_dev_info_list_add - add one dev_info list entry. + * @compatible: if true, null terminate short strings. Otherwise space pad. * @vendor: vendor string * @model: model (product) string * @strflags: integer string - * @flag: if strflags NULL, use this flag value + * @flags: if strflags NULL, use this flag value * * Description: * Create and add one dev_info entry for @vendor, @model, @strflags or @@ -322,8 +323,7 @@ static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, } /** - * scsi_dev_info_list_add_str: parse dev_list and add to the - * scsi_dev_info_list. + * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. * @dev_list: string of device flags to add * * Description: @@ -374,15 +374,15 @@ static int scsi_dev_info_list_add_str(char *dev_list) } /** - * get_device_flags - get device specific flags from the dynamic device - * list. Called during scan time. + * get_device_flags - get device specific flags from the dynamic device list. + * @sdev: &scsi_device to get flags for * @vendor: vendor name * @model: model name * * Description: * Search the scsi_dev_info_list for an entry matching @vendor and * @model, if found, return the matching flags value, else return - * the host or global default settings. + * the host or global default settings. Called during scan time. **/ int scsi_get_device_flags(struct scsi_device *sdev, const unsigned char *vendor, @@ -483,13 +483,11 @@ stop_output: } /* - * proc_scsi_dev_info_write: allow additions to the scsi_dev_info_list via - * /proc. + * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc. * - * Use: echo "vendor:model:flag" > /proc/scsi/device_info - * - * To add a black/white list entry for vendor and model with an integer - * value of flag to the scsi device info list. + * Description: Adds a black/white list entry for vendor and model with an + * integer value of flag to the scsi device info list. + * To use, echo "vendor:model:flag" > /proc/scsi/device_info */ static int proc_scsi_devinfo_write(struct file *file, const char __user *buf, unsigned long length, void *data) @@ -532,8 +530,7 @@ MODULE_PARM_DESC(default_dev_flags, "scsi default device flag integer value"); /** - * scsi_dev_info_list_delete: called from scsi.c:exit_scsi to remove - * the scsi_dev_info_list. + * scsi_dev_info_list_delete - called from scsi.c:exit_scsi to remove the scsi_dev_info_list. **/ void scsi_exit_devinfo(void) { @@ -552,13 +549,12 @@ void scsi_exit_devinfo(void) } /** - * scsi_dev_list_init: set up the dynamic device list. - * @dev_list: string of device flags to add + * scsi_init_devinfo - set up the dynamic device list. * * Description: - * Add command line @dev_list entries, then add + * Add command line entries from scsi_dev_flags, then add * scsi_static_device_list entries to the scsi device info list. - **/ + */ int __init scsi_init_devinfo(void) { #ifdef CONFIG_SCSI_PROC_FS diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index ebaca4ca4a13..547e85aa414f 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -62,7 +62,7 @@ void scsi_eh_wakeup(struct Scsi_Host *shost) * @shost: SCSI host to invoke error handling on. * * Schedule SCSI EH without scmd. - **/ + */ void scsi_schedule_eh(struct Scsi_Host *shost) { unsigned long flags; @@ -86,7 +86,7 @@ EXPORT_SYMBOL_GPL(scsi_schedule_eh); * * Return value: * 0 on failure. - **/ + */ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag) { struct Scsi_Host *shost = scmd->device->host; @@ -121,7 +121,7 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag) * This should be turned into an inline function. Each scsi command * has its own timer, and as it is added to the queue, we set up the * timer. When the command completes, we cancel the timer. - **/ + */ void scsi_add_timer(struct scsi_cmnd *scmd, int timeout, void (*complete)(struct scsi_cmnd *)) { @@ -155,7 +155,7 @@ void scsi_add_timer(struct scsi_cmnd *scmd, int timeout, * Return value: * 1 if we were able to detach the timer. 0 if we blew it, and the * timer function has already started to run. - **/ + */ int scsi_delete_timer(struct scsi_cmnd *scmd) { int rtn; @@ -181,7 +181,7 @@ int scsi_delete_timer(struct scsi_cmnd *scmd) * only in that the normal completion handling might run, but if the * normal completion function determines that the timer has already * fired, then it mustn't do anything. - **/ + */ void scsi_times_out(struct scsi_cmnd *scmd) { enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *); @@ -224,7 +224,7 @@ void scsi_times_out(struct scsi_cmnd *scmd) * * Return value: * 0 when dev was taken offline by error recovery. 1 OK to proceed. - **/ + */ int scsi_block_when_processing_errors(struct scsi_device *sdev) { int online; @@ -245,7 +245,7 @@ EXPORT_SYMBOL(scsi_block_when_processing_errors); * scsi_eh_prt_fail_stats - Log info on failures. * @shost: scsi host being recovered. * @work_q: Queue of scsi cmds to process. - **/ + */ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost, struct list_head *work_q) { @@ -295,7 +295,7 @@ static inline void scsi_eh_prt_fail_stats(struct Scsi_Host *shost, * Notes: * When a deferred error is detected the current command has * not been executed and needs retrying. - **/ + */ static int scsi_check_sense(struct scsi_cmnd *scmd) { struct scsi_sense_hdr sshdr; @@ -398,7 +398,7 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) * queued during error recovery. the main difference here is that we * don't allow for the possibility of retries here, and we are a lot * more restrictive about what we consider acceptable. - **/ + */ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) { /* @@ -452,7 +452,7 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) /** * scsi_eh_done - Completion function for error handling. * @scmd: Cmd that is done. - **/ + */ static void scsi_eh_done(struct scsi_cmnd *scmd) { struct completion *eh_action; @@ -469,7 +469,7 @@ static void scsi_eh_done(struct scsi_cmnd *scmd) /** * scsi_try_host_reset - ask host adapter to reset itself * @scmd: SCSI cmd to send hsot reset. - **/ + */ static int scsi_try_host_reset(struct scsi_cmnd *scmd) { unsigned long flags; @@ -498,7 +498,7 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd) /** * scsi_try_bus_reset - ask host to perform a bus reset * @scmd: SCSI cmd to send bus reset. - **/ + */ static int scsi_try_bus_reset(struct scsi_cmnd *scmd) { unsigned long flags; @@ -533,7 +533,7 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd) * unreliable for a given host, then the host itself needs to put a * timer on it, and set the host back to a consistent state prior to * returning. - **/ + */ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd) { int rtn; @@ -568,7 +568,7 @@ static int __scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) * author of the low-level driver wishes this operation to be timed, * they can provide this facility themselves. helper functions in * scsi_error.c can be supplied to make this easier to do. - **/ + */ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) { /* @@ -601,7 +601,7 @@ static void scsi_abort_eh_cmnd(struct scsi_cmnd *scmd) * sent must be one that does not transfer any data. If @sense_bytes != 0 * @cmnd is ignored and this functions sets up a REQUEST_SENSE command * and cmnd buffers to read @sense_bytes into @scmd->sense_buffer. - **/ + */ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, unsigned char *cmnd, int cmnd_size, unsigned sense_bytes) { @@ -625,7 +625,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, if (sense_bytes) { scmd->request_bufflen = min_t(unsigned, - sizeof(scmd->sense_buffer), sense_bytes); + SCSI_SENSE_BUFFERSIZE, sense_bytes); sg_init_one(&ses->sense_sgl, scmd->sense_buffer, scmd->request_bufflen); scmd->request_buffer = &ses->sense_sgl; @@ -657,7 +657,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses, * Zero the sense buffer. The scsi spec mandates that any * untransferred sense data should be interpreted as being zero. */ - memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer)); + memset(scmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); } EXPORT_SYMBOL(scsi_eh_prep_cmnd); @@ -667,7 +667,7 @@ EXPORT_SYMBOL(scsi_eh_prep_cmnd); * @ses: saved information from a coresponding call to scsi_prep_eh_cmnd * * Undo any damage done by above scsi_prep_eh_cmnd(). - **/ + */ void scsi_eh_restore_cmnd(struct scsi_cmnd* scmd, struct scsi_eh_save *ses) { /* @@ -697,7 +697,7 @@ EXPORT_SYMBOL(scsi_eh_restore_cmnd); * * Return value: * SUCCESS or FAILED or NEEDS_RETRY - **/ + */ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, int cmnd_size, int timeout, unsigned sense_bytes) { @@ -765,7 +765,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, * Some hosts automatically obtain this information, others require * that we obtain it on our own. This function will *not* return until * the command either times out, or it completes. - **/ + */ static int scsi_request_sense(struct scsi_cmnd *scmd) { return scsi_send_eh_cmnd(scmd, NULL, 0, SENSE_TIMEOUT, ~0); @@ -779,10 +779,10 @@ static int scsi_request_sense(struct scsi_cmnd *scmd) * Notes: * We don't want to use the normal command completion while we are are * still handling errors - it may cause other commands to be queued, - * and that would disturb what we are doing. thus we really want to + * and that would disturb what we are doing. Thus we really want to * keep a list of pending commands for final completion, and once we * are ready to leave error handling we handle completion for real. - **/ + */ void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q) { scmd->device->host->host_failed--; @@ -794,7 +794,7 @@ EXPORT_SYMBOL(scsi_eh_finish_cmd); /** * scsi_eh_get_sense - Get device sense data. * @work_q: Queue of commands to process. - * @done_q: Queue of proccessed commands.. + * @done_q: Queue of processed commands. * * Description: * See if we need to request sense information. if so, then get it @@ -802,7 +802,7 @@ EXPORT_SYMBOL(scsi_eh_finish_cmd); * * Notes: * This has the unfortunate side effect that if a shost adapter does - * not automatically request sense information, that we end up shutting + * not automatically request sense information, we end up shutting * it down before we request it. * * All drivers should request sense information internally these days, @@ -810,7 +810,7 @@ EXPORT_SYMBOL(scsi_eh_finish_cmd); * * XXX: Long term this code should go away, but that needs an audit of * all LLDDs first. - **/ + */ int scsi_eh_get_sense(struct list_head *work_q, struct list_head *done_q) { @@ -858,11 +858,11 @@ EXPORT_SYMBOL_GPL(scsi_eh_get_sense); /** * scsi_eh_tur - Send TUR to device. - * @scmd: Scsi cmd to send TUR + * @scmd: &scsi_cmnd to send TUR * * Return value: * 0 - Device is ready. 1 - Device NOT ready. - **/ + */ static int scsi_eh_tur(struct scsi_cmnd *scmd) { static unsigned char tur_command[6] = {TEST_UNIT_READY, 0, 0, 0, 0, 0}; @@ -887,17 +887,17 @@ retry_tur: } /** - * scsi_eh_abort_cmds - abort canceled commands. - * @shost: scsi host being recovered. - * @eh_done_q: list_head for processed commands. + * scsi_eh_abort_cmds - abort pending commands. + * @work_q: &list_head for pending commands. + * @done_q: &list_head for processed commands. * * Decription: * Try and see whether or not it makes sense to try and abort the - * running command. this only works out to be the case if we have one - * command that has timed out. if the command simply failed, it makes + * running command. This only works out to be the case if we have one + * command that has timed out. If the command simply failed, it makes * no sense to try and abort the command, since as far as the shost * adapter is concerned, it isn't running. - **/ + */ static int scsi_eh_abort_cmds(struct list_head *work_q, struct list_head *done_q) { @@ -931,11 +931,11 @@ static int scsi_eh_abort_cmds(struct list_head *work_q, /** * scsi_eh_try_stu - Send START_UNIT to device. - * @scmd: Scsi cmd to send START_UNIT + * @scmd: &scsi_cmnd to send START_UNIT * * Return value: * 0 - Device is ready. 1 - Device NOT ready. - **/ + */ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) { static unsigned char stu_command[6] = {START_STOP, 0, 0, 0, 1, 0}; @@ -956,13 +956,14 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) /** * scsi_eh_stu - send START_UNIT if needed - * @shost: scsi host being recovered. - * @eh_done_q: list_head for processed commands. + * @shost: &scsi host being recovered. + * @work_q: &list_head for pending commands. + * @done_q: &list_head for processed commands. * * Notes: * If commands are failing due to not ready, initializing command required, * try revalidating the device, which will end up sending a start unit. - **/ + */ static int scsi_eh_stu(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q) @@ -1008,14 +1009,15 @@ static int scsi_eh_stu(struct Scsi_Host *shost, /** * scsi_eh_bus_device_reset - send bdr if needed * @shost: scsi host being recovered. - * @eh_done_q: list_head for processed commands. + * @work_q: &list_head for pending commands. + * @done_q: &list_head for processed commands. * * Notes: - * Try a bus device reset. still, look to see whether we have multiple + * Try a bus device reset. Still, look to see whether we have multiple * devices that are jammed or not - if we have multiple devices, it * makes no sense to try bus_device_reset - we really would need to try * a bus_reset instead. - **/ + */ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q) @@ -1063,9 +1065,10 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost, /** * scsi_eh_bus_reset - send a bus reset - * @shost: scsi host being recovered. - * @eh_done_q: list_head for processed commands. - **/ + * @shost: &scsi host being recovered. + * @work_q: &list_head for pending commands. + * @done_q: &list_head for processed commands. + */ static int scsi_eh_bus_reset(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q) @@ -1122,7 +1125,7 @@ static int scsi_eh_bus_reset(struct Scsi_Host *shost, * scsi_eh_host_reset - send a host reset * @work_q: list_head for processed commands. * @done_q: list_head for processed commands. - **/ + */ static int scsi_eh_host_reset(struct list_head *work_q, struct list_head *done_q) { @@ -1157,8 +1160,7 @@ static int scsi_eh_host_reset(struct list_head *work_q, * scsi_eh_offline_sdevs - offline scsi devices that fail to recover * @work_q: list_head for processed commands. * @done_q: list_head for processed commands. - * - **/ + */ static void scsi_eh_offline_sdevs(struct list_head *work_q, struct list_head *done_q) { @@ -1191,7 +1193,7 @@ static void scsi_eh_offline_sdevs(struct list_head *work_q, * is woken. In cases where the error code indicates an error that * doesn't require the error handler read (i.e. we don't need to * abort/reset), this function should return SUCCESS. - **/ + */ int scsi_decide_disposition(struct scsi_cmnd *scmd) { int rtn; @@ -1372,7 +1374,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * * If scsi_allocate_request() fails for what ever reason, we * completely forget to lock the door. - **/ + */ static void scsi_eh_lock_door(struct scsi_device *sdev) { unsigned char cmnd[MAX_COMMAND_SIZE]; @@ -1396,7 +1398,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev) * Notes: * When we entered the error handler, we blocked all further i/o to * this device. we need to 'reverse' this process. - **/ + */ static void scsi_restart_operations(struct Scsi_Host *shost) { struct scsi_device *sdev; @@ -1440,9 +1442,9 @@ static void scsi_restart_operations(struct Scsi_Host *shost) /** * scsi_eh_ready_devs - check device ready state and recover if not. * @shost: host to be recovered. - * @eh_done_q: list_head for processed commands. - * - **/ + * @work_q: &list_head for pending commands. + * @done_q: &list_head for processed commands. + */ void scsi_eh_ready_devs(struct Scsi_Host *shost, struct list_head *work_q, struct list_head *done_q) @@ -1458,8 +1460,7 @@ EXPORT_SYMBOL_GPL(scsi_eh_ready_devs); /** * scsi_eh_flush_done_q - finish processed commands or retry them. * @done_q: list_head of processed commands. - * - **/ + */ void scsi_eh_flush_done_q(struct list_head *done_q) { struct scsi_cmnd *scmd, *next; @@ -1513,7 +1514,7 @@ EXPORT_SYMBOL(scsi_eh_flush_done_q); * scsi_finish_cmd() called for it. we do all of the retry stuff * here, so when we restart the host after we return it should have an * empty queue. - **/ + */ static void scsi_unjam_host(struct Scsi_Host *shost) { unsigned long flags; @@ -1540,7 +1541,7 @@ static void scsi_unjam_host(struct Scsi_Host *shost) * Notes: * This is the main error handling loop. This is run as a kernel thread * for every SCSI host and handles all error handling activity. - **/ + */ int scsi_error_handler(void *data) { struct Scsi_Host *shost = data; @@ -1769,7 +1770,7 @@ EXPORT_SYMBOL(scsi_reset_provider); * * Return value: * 1 if valid sense data information found, else 0; - **/ + */ int scsi_normalize_sense(const u8 *sense_buffer, int sb_len, struct scsi_sense_hdr *sshdr) { @@ -1819,14 +1820,12 @@ int scsi_command_normalize_sense(struct scsi_cmnd *cmd, struct scsi_sense_hdr *sshdr) { return scsi_normalize_sense(cmd->sense_buffer, - sizeof(cmd->sense_buffer), sshdr); + SCSI_SENSE_BUFFERSIZE, sshdr); } EXPORT_SYMBOL(scsi_command_normalize_sense); /** - * scsi_sense_desc_find - search for a given descriptor type in - * descriptor sense data format. - * + * scsi_sense_desc_find - search for a given descriptor type in descriptor sense data format. * @sense_buffer: byte array of descriptor format sense data * @sb_len: number of valid bytes in sense_buffer * @desc_type: value of descriptor type to find @@ -1837,7 +1836,7 @@ EXPORT_SYMBOL(scsi_command_normalize_sense); * * Return value: * pointer to start of (first) descriptor if found else NULL - **/ + */ const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len, int desc_type) { @@ -1865,9 +1864,7 @@ const u8 * scsi_sense_desc_find(const u8 * sense_buffer, int sb_len, EXPORT_SYMBOL(scsi_sense_desc_find); /** - * scsi_get_sense_info_fld - attempts to get information field from - * sense data (either fixed or descriptor format) - * + * scsi_get_sense_info_fld - get information field from sense data (either fixed or descriptor format) * @sense_buffer: byte array of sense data * @sb_len: number of valid bytes in sense_buffer * @info_out: pointer to 64 integer where 8 or 4 byte information @@ -1875,7 +1872,7 @@ EXPORT_SYMBOL(scsi_sense_desc_find); * * Return value: * 1 if information field found, 0 if not found. - **/ + */ int scsi_get_sense_info_fld(const u8 * sense_buffer, int sb_len, u64 * info_out) { diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 32293f451669..28b19ef26309 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -174,10 +174,15 @@ static int scsi_ioctl_get_pci(struct scsi_device *sdev, void __user *arg) } -/* - * the scsi_ioctl() function differs from most ioctls in that it does - * not take a major/minor number as the dev field. Rather, it takes - * a pointer to a scsi_devices[] element, a structure. +/** + * scsi_ioctl - Dispatch ioctl to scsi device + * @sdev: scsi device receiving ioctl + * @cmd: which ioctl is it + * @arg: data associated with ioctl + * + * Description: The scsi_ioctl() function differs from most ioctls in that it + * does not take a major/minor number as the dev field. Rather, it takes + * a pointer to a &struct scsi_device. */ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) { @@ -239,7 +244,7 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) return scsi_set_medium_removal(sdev, SCSI_REMOVAL_ALLOW); case SCSI_IOCTL_TEST_UNIT_READY: return scsi_test_unit_ready(sdev, IOCTL_NORMAL_TIMEOUT, - NORMAL_RETRIES); + NORMAL_RETRIES, NULL); case SCSI_IOCTL_START_UNIT: scsi_cmd[0] = START_STOP; scsi_cmd[1] = 0; @@ -264,9 +269,12 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) } EXPORT_SYMBOL(scsi_ioctl); -/* - * the scsi_nonblock_ioctl() function is designed for ioctls which may - * be executed even if the device is in recovery. +/** + * scsi_nonblock_ioctl() - Handle SG_SCSI_RESET + * @sdev: scsi device receiving ioctl + * @cmd: Must be SC_SCSI_RESET + * @arg: pointer to int containing SG_SCSI_RESET_{DEVICE,BUS,HOST} + * @filp: either NULL or a &struct file which must have the O_NONBLOCK flag. */ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd, void __user *arg, struct file *filp) @@ -276,7 +284,7 @@ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd, /* The first set of iocts may be executed even if we're doing * error processing, as long as the device was opened * non-blocking */ - if (filp && filp->f_flags & O_NONBLOCK) { + if (filp && (filp->f_flags & O_NONBLOCK)) { if (scsi_host_in_recovery(sdev->host)) return -ENODEV; } else if (!scsi_block_when_processing_errors(sdev)) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index a9ac5b1b1667..4cf902efbdbf 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -175,7 +175,7 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason) * * returns the req->errors value which is the scsi_cmnd result * field. - **/ + */ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd, int data_direction, void *buffer, unsigned bufflen, unsigned char *sense, int timeout, int retries, int flags) @@ -274,7 +274,7 @@ static void scsi_bi_endio(struct bio *bio, int error) /** * scsi_req_map_sg - map a scatterlist into a request * @rq: request to fill - * @sg: scatterlist + * @sgl: scatterlist * @nsegs: number of elements * @bufflen: len of buffer * @gfp: memory allocation flags @@ -365,14 +365,16 @@ free_bios: * @sdev: scsi device * @cmd: scsi command * @cmd_len: length of scsi cdb - * @data_direction: data direction + * @data_direction: DMA_TO_DEVICE, DMA_FROM_DEVICE, or DMA_NONE * @buffer: data buffer (this can be a kernel buffer or scatterlist) * @bufflen: len of buffer * @use_sg: if buffer is a scatterlist this is the number of elements * @timeout: request timeout in seconds * @retries: number of times to retry request - * @flags: or into request flags - **/ + * @privdata: data passed to done() + * @done: callback function when done + * @gfp: memory allocation flags + */ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd, int cmd_len, int data_direction, void *buffer, unsigned bufflen, int use_sg, int timeout, int retries, void *privdata, @@ -439,7 +441,7 @@ static void scsi_init_cmd_errh(struct scsi_cmnd *cmd) { cmd->serial_number = 0; cmd->resid = 0; - memset(cmd->sense_buffer, 0, sizeof cmd->sense_buffer); + memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); if (cmd->cmd_len == 0) cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]); } @@ -524,7 +526,7 @@ static void scsi_run_queue(struct request_queue *q) struct Scsi_Host *shost = sdev->host; unsigned long flags; - if (sdev->single_lun) + if (scsi_target(sdev)->single_lun) scsi_single_lun_run(sdev); spin_lock_irqsave(shost->host_lock, flags); @@ -1102,7 +1104,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * * Returns: 0 on success * BLKPREP_DEFER if the failure is retryable - * BLKPREP_KILL if the failure is fatal */ static int scsi_init_io(struct scsi_cmnd *cmd) { @@ -1136,17 +1137,9 @@ static int scsi_init_io(struct scsi_cmnd *cmd) * each segment. */ count = blk_rq_map_sg(req->q, req, cmd->request_buffer); - if (likely(count <= cmd->use_sg)) { - cmd->use_sg = count; - return BLKPREP_OK; - } - - printk(KERN_ERR "Incorrect number of segments after building list\n"); - printk(KERN_ERR "counted %d, received %d\n", count, cmd->use_sg); - printk(KERN_ERR "req nr_sec %lu, cur_nr_sec %u\n", req->nr_sectors, - req->current_nr_sectors); - - return BLKPREP_KILL; + BUG_ON(count > cmd->use_sg); + cmd->use_sg = count; + return BLKPREP_OK; } static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev, @@ -1557,7 +1550,7 @@ static void scsi_request_fn(struct request_queue *q) if (!scsi_host_queue_ready(q, shost, sdev)) goto not_ready; - if (sdev->single_lun) { + if (scsi_target(sdev)->single_lun) { if (scsi_target(sdev)->starget_sdev_user && scsi_target(sdev)->starget_sdev_user != sdev) goto not_ready; @@ -1675,6 +1668,14 @@ struct request_queue *__scsi_alloc_queue(struct Scsi_Host *shost, if (!shost->use_clustering) clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags); + + /* + * set a reasonable default alignment on word boundaries: the + * host and device may alter it using + * blk_queue_update_dma_alignment() later. + */ + blk_queue_dma_alignment(q, 0x03); + return q; } EXPORT_SYMBOL(__scsi_alloc_queue); @@ -1804,7 +1805,7 @@ void scsi_exit_queue(void) * @timeout: command timeout * @retries: number of retries before failing * @data: returns a structure abstracting the mode header data - * @sense: place to put sense data (or NULL if no sense to be collected). + * @sshdr: place to put sense data (or NULL if no sense to be collected). * must be SCSI_SENSE_BUFFERSIZE big. * * Returns zero if successful; negative error number or scsi @@ -1871,8 +1872,7 @@ scsi_mode_select(struct scsi_device *sdev, int pf, int sp, int modepage, EXPORT_SYMBOL_GPL(scsi_mode_select); /** - * scsi_mode_sense - issue a mode sense, falling back from 10 to - * six bytes if necessary. + * scsi_mode_sense - issue a mode sense, falling back from 10 to six bytes if necessary. * @sdev: SCSI device to be queried * @dbd: set if mode sense will allow block descriptors to be returned * @modepage: mode page being requested @@ -1881,13 +1881,13 @@ EXPORT_SYMBOL_GPL(scsi_mode_select); * @timeout: command timeout * @retries: number of retries before failing * @data: returns a structure abstracting the mode header data - * @sense: place to put sense data (or NULL if no sense to be collected). + * @sshdr: place to put sense data (or NULL if no sense to be collected). * must be SCSI_SENSE_BUFFERSIZE big. * * Returns zero if unsuccessful, or the header offset (either 4 * or 8 depending on whether a six or ten byte command was * issued) if successful. - **/ + */ int scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, unsigned char *buffer, int len, int timeout, int retries, @@ -1981,40 +1981,69 @@ scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage, } EXPORT_SYMBOL(scsi_mode_sense); +/** + * scsi_test_unit_ready - test if unit is ready + * @sdev: scsi device to change the state of. + * @timeout: command timeout + * @retries: number of retries before failing + * @sshdr_external: Optional pointer to struct scsi_sense_hdr for + * returning sense. Make sure that this is cleared before passing + * in. + * + * Returns zero if unsuccessful or an error if TUR failed. For + * removable media, a return of NOT_READY or UNIT_ATTENTION is + * translated to success, with the ->changed flag updated. + **/ int -scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries) +scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries, + struct scsi_sense_hdr *sshdr_external) { char cmd[] = { TEST_UNIT_READY, 0, 0, 0, 0, 0, }; - struct scsi_sense_hdr sshdr; + struct scsi_sense_hdr *sshdr; int result; - - result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0, &sshdr, - timeout, retries); + + if (!sshdr_external) + sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL); + else + sshdr = sshdr_external; + + /* try to eat the UNIT_ATTENTION if there are enough retries */ + do { + result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0, sshdr, + timeout, retries); + } while ((driver_byte(result) & DRIVER_SENSE) && + sshdr && sshdr->sense_key == UNIT_ATTENTION && + --retries); + + if (!sshdr) + /* could not allocate sense buffer, so can't process it */ + return result; if ((driver_byte(result) & DRIVER_SENSE) && sdev->removable) { - if ((scsi_sense_valid(&sshdr)) && - ((sshdr.sense_key == UNIT_ATTENTION) || - (sshdr.sense_key == NOT_READY))) { + if ((scsi_sense_valid(sshdr)) && + ((sshdr->sense_key == UNIT_ATTENTION) || + (sshdr->sense_key == NOT_READY))) { sdev->changed = 1; result = 0; } } + if (!sshdr_external) + kfree(sshdr); return result; } EXPORT_SYMBOL(scsi_test_unit_ready); /** - * scsi_device_set_state - Take the given device through the device - * state model. + * scsi_device_set_state - Take the given device through the device state model. * @sdev: scsi device to change the state of. * @state: state to change to. * * Returns zero if unsuccessful or an error if the requested * transition is illegal. - **/ + */ int scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state) { @@ -2264,7 +2293,7 @@ EXPORT_SYMBOL_GPL(sdev_evt_send_simple); * Must be called with user context, may sleep. * * Returns zero if unsuccessful or an error if not. - **/ + */ int scsi_device_quiesce(struct scsi_device *sdev) { @@ -2289,7 +2318,7 @@ EXPORT_SYMBOL(scsi_device_quiesce); * queues. * * Must be called with user context, may sleep. - **/ + */ void scsi_device_resume(struct scsi_device *sdev) { @@ -2326,8 +2355,7 @@ scsi_target_resume(struct scsi_target *starget) EXPORT_SYMBOL(scsi_target_resume); /** - * scsi_internal_device_block - internal function to put a device - * temporarily into the SDEV_BLOCK state + * scsi_internal_device_block - internal function to put a device temporarily into the SDEV_BLOCK state * @sdev: device to block * * Block request made by scsi lld's to temporarily stop all @@ -2342,7 +2370,7 @@ EXPORT_SYMBOL(scsi_target_resume); * state, all commands are deferred until the scsi lld reenables * the device with scsi_device_unblock or device_block_tmo fires. * This routine assumes the host_lock is held on entry. - **/ + */ int scsi_internal_device_block(struct scsi_device *sdev) { @@ -2382,7 +2410,7 @@ EXPORT_SYMBOL_GPL(scsi_internal_device_block); * (which must be a legal transition) allowing the midlayer to * goose the queue for this device. This routine assumes the * host_lock is held upon entry. - **/ + */ int scsi_internal_device_unblock(struct scsi_device *sdev) { @@ -2460,7 +2488,7 @@ EXPORT_SYMBOL_GPL(scsi_target_unblock); /** * scsi_kmap_atomic_sg - find and atomically map an sg-elemnt - * @sg: scatter-gather list + * @sgl: scatter-gather list * @sg_count: number of segments in sg * @offset: offset in bytes into sg, on return offset into the mapped area * @len: bytes to map, on return number of bytes mapped @@ -2509,8 +2537,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, EXPORT_SYMBOL(scsi_kmap_atomic_sg); /** - * scsi_kunmap_atomic_sg - atomically unmap a virtual address, previously - * mapped with scsi_kmap_atomic_sg + * scsi_kunmap_atomic_sg - atomically unmap a virtual address, previously mapped with scsi_kmap_atomic_sg * @virt: virtual address to be unmapped */ void scsi_kunmap_atomic_sg(void *virt) diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c index 40579edca101..3e1591828171 100644 --- a/drivers/scsi/scsi_netlink.c +++ b/drivers/scsi/scsi_netlink.c @@ -32,11 +32,12 @@ EXPORT_SYMBOL_GPL(scsi_nl_sock); /** - * scsi_nl_rcv_msg - - * Receive message handler. Extracts message from a receive buffer. + * scsi_nl_rcv_msg - Receive message handler. + * @skb: socket receive buffer + * + * Description: Extracts message from a receive buffer. * Validates message header and calls appropriate transport message handler * - * @skb: socket receive buffer * **/ static void @@ -99,9 +100,7 @@ next_msg: /** - * scsi_nl_rcv_event - - * Event handler for a netlink socket. - * + * scsi_nl_rcv_event - Event handler for a netlink socket. * @this: event notifier block * @event: event type * @ptr: event payload @@ -129,9 +128,7 @@ static struct notifier_block scsi_netlink_notifier = { /** - * scsi_netlink_init - - * Called by SCSI subsystem to intialize the SCSI transport netlink - * interface + * scsi_netlink_init - Called by SCSI subsystem to intialize the SCSI transport netlink interface * **/ void @@ -160,9 +157,7 @@ scsi_netlink_init(void) /** - * scsi_netlink_exit - - * Called by SCSI subsystem to disable the SCSI transport netlink - * interface + * scsi_netlink_exit - Called by SCSI subsystem to disable the SCSI transport netlink interface * **/ void diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index bb6f051beda8..ed395154a5b1 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -45,6 +45,16 @@ static struct proc_dir_entry *proc_scsi; /* Protect sht->present and sht->proc_dir */ static DEFINE_MUTEX(global_host_template_mutex); +/** + * proc_scsi_read - handle read from /proc by calling host's proc_info() command + * @buffer: passed to proc_info + * @start: passed to proc_info + * @offset: passed to proc_info + * @length: passed to proc_info + * @eof: returns whether length read was less than requested + * @data: pointer to a &struct Scsi_Host + */ + static int proc_scsi_read(char *buffer, char **start, off_t offset, int length, int *eof, void *data) { @@ -57,6 +67,13 @@ static int proc_scsi_read(char *buffer, char **start, off_t offset, return n; } +/** + * proc_scsi_write_proc - Handle write to /proc by calling host's proc_info() + * @file: not used + * @buf: source of data to write. + * @count: number of bytes (at most PROC_BLOCK_SIZE) to write. + * @data: pointer to &struct Scsi_Host + */ static int proc_scsi_write_proc(struct file *file, const char __user *buf, unsigned long count, void *data) { @@ -80,6 +97,13 @@ out: return ret; } +/** + * scsi_proc_hostdir_add - Create directory in /proc for a scsi host + * @sht: owner of this directory + * + * Sets sht->proc_dir to the new directory. + */ + void scsi_proc_hostdir_add(struct scsi_host_template *sht) { if (!sht->proc_info) @@ -97,6 +121,10 @@ void scsi_proc_hostdir_add(struct scsi_host_template *sht) mutex_unlock(&global_host_template_mutex); } +/** + * scsi_proc_hostdir_rm - remove directory in /proc for a scsi host + * @sht: owner of directory + */ void scsi_proc_hostdir_rm(struct scsi_host_template *sht) { if (!sht->proc_info) @@ -110,6 +138,11 @@ void scsi_proc_hostdir_rm(struct scsi_host_template *sht) mutex_unlock(&global_host_template_mutex); } + +/** + * scsi_proc_host_add - Add entry for this host to appropriate /proc dir + * @shost: host to add + */ void scsi_proc_host_add(struct Scsi_Host *shost) { struct scsi_host_template *sht = shost->hostt; @@ -133,6 +166,10 @@ void scsi_proc_host_add(struct Scsi_Host *shost) p->owner = sht->module; } +/** + * scsi_proc_host_rm - remove this host's entry from /proc + * @shost: which host + */ void scsi_proc_host_rm(struct Scsi_Host *shost) { char name[10]; @@ -143,7 +180,14 @@ void scsi_proc_host_rm(struct Scsi_Host *shost) sprintf(name,"%d", shost->host_no); remove_proc_entry(name, shost->hostt->proc_dir); } - +/** + * proc_print_scsidevice - return data about this host + * @dev: A scsi device + * @data: &struct seq_file to output to. + * + * Description: prints Host, Channel, Id, Lun, Vendor, Model, Rev, Type, + * and revision. + */ static int proc_print_scsidevice(struct device *dev, void *data) { struct scsi_device *sdev = to_scsi_device(dev); @@ -189,6 +233,21 @@ static int proc_print_scsidevice(struct device *dev, void *data) return 0; } +/** + * scsi_add_single_device - Respond to user request to probe for/add device + * @host: user-supplied decimal integer + * @channel: user-supplied decimal integer + * @id: user-supplied decimal integer + * @lun: user-supplied decimal integer + * + * Description: called by writing "scsi add-single-device" to /proc/scsi/scsi. + * + * does scsi_host_lookup() and either user_scan() if that transport + * type supports it, or else scsi_scan_host_selected() + * + * Note: this seems to be aimed exclusively at SCSI parallel busses. + */ + static int scsi_add_single_device(uint host, uint channel, uint id, uint lun) { struct Scsi_Host *shost; @@ -206,6 +265,16 @@ static int scsi_add_single_device(uint host, uint channel, uint id, uint lun) return error; } +/** + * scsi_remove_single_device - Respond to user request to remove a device + * @host: user-supplied decimal integer + * @channel: user-supplied decimal integer + * @id: user-supplied decimal integer + * @lun: user-supplied decimal integer + * + * Description: called by writing "scsi remove-single-device" to + * /proc/scsi/scsi. Does a scsi_device_lookup() and scsi_remove_device() + */ static int scsi_remove_single_device(uint host, uint channel, uint id, uint lun) { struct scsi_device *sdev; @@ -226,6 +295,25 @@ static int scsi_remove_single_device(uint host, uint channel, uint id, uint lun) return error; } +/** + * proc_scsi_write - handle writes to /proc/scsi/scsi + * @file: not used + * @buf: buffer to write + * @length: length of buf, at most PAGE_SIZE + * @ppos: not used + * + * Description: this provides a legacy mechanism to add or remove devices by + * Host, Channel, ID, and Lun. To use, + * "echo 'scsi add-single-device 0 1 2 3' > /proc/scsi/scsi" or + * "echo 'scsi remove-single-device 0 1 2 3' > /proc/scsi/scsi" with + * "0 1 2 3" replaced by the Host, Channel, Id, and Lun. + * + * Note: this seems to be aimed at parallel SCSI. Most modern busses (USB, + * SATA, Firewire, Fibre Channel, etc) dynamically assign these values to + * provide a unique identifier and nothing more. + */ + + static ssize_t proc_scsi_write(struct file *file, const char __user *buf, size_t length, loff_t *ppos) { @@ -291,6 +379,11 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, return err; } +/** + * proc_scsi_show - show contents of /proc/scsi/scsi (attached devices) + * @s: output goes here + * @p: not used + */ static int proc_scsi_show(struct seq_file *s, void *p) { seq_printf(s, "Attached devices:\n"); @@ -298,10 +391,17 @@ static int proc_scsi_show(struct seq_file *s, void *p) return 0; } +/** + * proc_scsi_open - glue function + * @inode: not used + * @file: passed to single_open() + * + * Associates proc_scsi_show with this file + */ static int proc_scsi_open(struct inode *inode, struct file *file) { /* - * We don't really needs this for the write case but it doesn't + * We don't really need this for the write case but it doesn't * harm either. */ return single_open(file, proc_scsi_show, NULL); @@ -315,6 +415,9 @@ static const struct file_operations proc_scsi_operations = { .release = single_release, }; +/** + * scsi_init_procfs - create scsi and scsi/scsi in procfs + */ int __init scsi_init_procfs(void) { struct proc_dir_entry *pde; @@ -336,6 +439,9 @@ err1: return -ENOMEM; } +/** + * scsi_exit_procfs - Remove scsi/scsi and scsi from procfs + */ void scsi_exit_procfs(void) { remove_proc_entry("scsi/scsi", NULL); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 40ea71cd2ca6..1dc165ad17fb 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -221,6 +221,9 @@ static void scsi_unlock_floptical(struct scsi_device *sdev, /** * scsi_alloc_sdev - allocate and setup a scsi_Device + * @starget: which target to allocate a &scsi_device for + * @lun: which lun + * @hostdata: usually NULL and set by ->slave_alloc instead * * Description: * Allocate, initialize for io, and return a pointer to a scsi_Device. @@ -472,7 +475,6 @@ static void scsi_target_reap_usercontext(struct work_struct *work) /** * scsi_target_reap - check to see if target is in use and destroy if not - * * @starget: target to be checked * * This is used after removing a LUN or doing a last put of the target @@ -863,7 +865,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, sdev->no_start_on_add = 1; if (*bflags & BLIST_SINGLELUN) - sdev->single_lun = 1; + scsi_target(sdev)->single_lun = 1; sdev->use_10_for_rw = 1; @@ -928,8 +930,7 @@ static inline void scsi_destroy_sdev(struct scsi_device *sdev) #ifdef CONFIG_SCSI_LOGGING /** - * scsi_inq_str - print INQUIRY data from min to max index, - * strip trailing whitespace + * scsi_inq_str - print INQUIRY data from min to max index, strip trailing whitespace * @buf: Output buffer with at least end-first+1 bytes of space * @inq: Inquiry buffer (input) * @first: Offset of string into inq @@ -957,9 +958,10 @@ static unsigned char *scsi_inq_str(unsigned char *buf, unsigned char *inq, * scsi_probe_and_add_lun - probe a LUN, if a LUN is found add it * @starget: pointer to target device structure * @lun: LUN of target device - * @sdevscan: probe the LUN corresponding to this scsi_device - * @sdevnew: store the value of any new scsi_device allocated * @bflagsp: store bflags here if not NULL + * @sdevp: probe the LUN corresponding to this scsi_device + * @rescan: if nonzero skip some code only needed on first scan + * @hostdata: passed to scsi_alloc_sdev() * * Description: * Call scsi_probe_lun, if a LUN with an attached device is found, @@ -1110,6 +1112,8 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget, * scsi_sequential_lun_scan - sequentially scan a SCSI target * @starget: pointer to target structure to scan * @bflags: black/white list flag for LUN 0 + * @scsi_level: Which version of the standard does this device adhere to + * @rescan: passed to scsi_probe_add_lun() * * Description: * Generally, scan from LUN 1 (LUN 0 is assumed to already have been @@ -1220,7 +1224,7 @@ EXPORT_SYMBOL(scsilun_to_int); /** * int_to_scsilun: reverts an int into a scsi_lun - * @int: integer to be reverted + * @lun: integer to be reverted * @scsilun: struct scsi_lun to be set. * * Description: @@ -1252,18 +1256,22 @@ EXPORT_SYMBOL(int_to_scsilun); /** * scsi_report_lun_scan - Scan using SCSI REPORT LUN results - * @sdevscan: scan the host, channel, and id of this scsi_device + * @starget: which target + * @bflags: Zero or a mix of BLIST_NOLUN, BLIST_REPORTLUN2, or BLIST_NOREPORTLUN + * @rescan: nonzero if we can skip code only needed on first scan * * Description: - * If @sdevscan is for a SCSI-3 or up device, send a REPORT LUN - * command, and scan the resulting list of LUNs by calling - * scsi_probe_and_add_lun. + * Fast scanning for modern (SCSI-3) devices by sending a REPORT LUN command. + * Scan the resulting list of LUNs by calling scsi_probe_and_add_lun. * - * Modifies sdevscan->lun. + * If BLINK_REPORTLUN2 is set, scan a target that supports more than 8 + * LUNs even if it's older than SCSI-3. + * If BLIST_NOREPORTLUN is set, return 1 always. + * If BLIST_NOLUN is set, return 0 always. * * Return: * 0: scan completed (or no memory, so further scanning is futile) - * 1: no report lun scan, or not configured + * 1: could not scan with REPORT LUN **/ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, int rescan) @@ -1481,6 +1489,7 @@ struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel, if (scsi_host_scan_allowed(shost)) scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1, hostdata); mutex_unlock(&shost->scan_mutex); + transport_configure_device(&starget->dev); scsi_target_reap(starget); put_device(&starget->dev); @@ -1561,6 +1570,7 @@ static void __scsi_scan_target(struct device *parent, unsigned int channel, out_reap: /* now determine if the target has any children at all * and if not, nuke it */ + transport_configure_device(&starget->dev); scsi_target_reap(starget); put_device(&starget->dev); diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 00b386677392..ed83cdb6e67d 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -1018,6 +1018,7 @@ int scsi_sysfs_add_host(struct Scsi_Host *shost) } transport_register_device(&shost->shost_gendev); + transport_configure_device(&shost->shost_gendev); return 0; } diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c index 9815a1a2db24..d2557dbc2dc1 100644 --- a/drivers/scsi/scsi_tgt_if.c +++ b/drivers/scsi/scsi_tgt_if.c @@ -112,7 +112,7 @@ int scsi_tgt_uspace_send_cmd(struct scsi_cmnd *cmd, u64 itn_id, memset(&ev, 0, sizeof(ev)); ev.p.cmd_req.host_no = shost->host_no; ev.p.cmd_req.itn_id = itn_id; - ev.p.cmd_req.data_len = cmd->request_bufflen; + ev.p.cmd_req.data_len = scsi_bufflen(cmd); memcpy(ev.p.cmd_req.scb, cmd->cmnd, sizeof(ev.p.cmd_req.scb)); memcpy(ev.p.cmd_req.lun, lun, sizeof(ev.p.cmd_req.lun)); ev.p.cmd_req.attribute = cmd->tag; diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c index a91761c3645f..93ece8f4e5de 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -180,7 +180,7 @@ static void scsi_tgt_cmd_destroy(struct work_struct *work) container_of(work, struct scsi_tgt_cmd, work); struct scsi_cmnd *cmd = tcmd->rq->special; - dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction, + dprintk("cmd %p %d %u\n", cmd, cmd->sc_data_direction, rq_data_dir(cmd->request)); scsi_unmap_user_pages(tcmd); scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd); @@ -327,11 +327,11 @@ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) { struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data; - dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + dprintk("cmd %p %u\n", cmd, rq_data_dir(cmd->request)); scsi_tgt_uspace_send_status(cmd, tcmd->itn_id, tcmd->tag); - if (cmd->request_buffer) + if (scsi_sglist(cmd)) scsi_free_sgtable(cmd); queue_work(scsi_tgtd, &tcmd->work); @@ -342,7 +342,7 @@ static int scsi_tgt_transfer_response(struct scsi_cmnd *cmd) struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd); int err; - dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request)); + dprintk("cmd %p %u\n", cmd, rq_data_dir(cmd->request)); err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done); switch (err) { @@ -365,16 +365,12 @@ static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask) cmd->request_bufflen = rq->data_len; - dprintk("cmd %p cnt %d %lu\n", cmd, cmd->use_sg, rq_data_dir(rq)); - count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer); - if (likely(count <= cmd->use_sg)) { - cmd->use_sg = count; - return 0; - } - - eprintk("cmd %p cnt %d\n", cmd, cmd->use_sg); - scsi_free_sgtable(cmd); - return -EINVAL; + dprintk("cmd %p cnt %d %lu\n", cmd, scsi_sg_count(cmd), + rq_data_dir(rq)); + count = blk_rq_map_sg(rq->q, rq, scsi_sglist(cmd)); + BUG_ON(count > cmd->use_sg); + cmd->use_sg = count; + return 0; } /* TODO: test this crap and replace bio_map_user with new interface maybe */ @@ -496,8 +492,8 @@ int scsi_tgt_kspace_exec(int host_no, u64 itn_id, int result, u64 tag, } cmd = rq->special; - dprintk("cmd %p scb %x result %d len %d bufflen %u %lu %x\n", - cmd, cmd->cmnd[0], result, len, cmd->request_bufflen, + dprintk("cmd %p scb %x result %d len %d bufflen %u %u %x\n", + cmd, cmd->cmnd[0], result, len, scsi_bufflen(cmd), rq_data_dir(rq), cmd->cmnd[0]); if (result == TASK_ABORTED) { @@ -617,7 +613,7 @@ int scsi_tgt_kspace_it_nexus_rsp(int host_no, u64 itn_id, int result) struct Scsi_Host *shost; int err = -EINVAL; - dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid); + dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id); shost = scsi_host_lookup(host_no); if (IS_ERR(shost)) { diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 7a7cfe583b2a..b1119da6e88c 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -481,9 +481,9 @@ MODULE_PARM_DESC(dev_loss_tmo, " exceeded, the scsi target is removed. Value should be" " between 1 and SCSI_DEVICE_BLOCK_MAX_TIMEOUT."); -/** +/* * Netlink Infrastructure - **/ + */ static atomic_t fc_event_seq; @@ -491,10 +491,10 @@ static atomic_t fc_event_seq; * fc_get_event_number - Obtain the next sequential FC event number * * Notes: - * We could have inline'd this, but it would have required fc_event_seq to + * We could have inlined this, but it would have required fc_event_seq to * be exposed. For now, live with the subroutine call. * Atomic used to avoid lock/unlock... - **/ + */ u32 fc_get_event_number(void) { @@ -505,7 +505,6 @@ EXPORT_SYMBOL(fc_get_event_number); /** * fc_host_post_event - called to post an even on an fc_host. - * * @shost: host the event occurred on * @event_number: fc event number obtained from get_fc_event_number() * @event_code: fc_host event being posted @@ -513,7 +512,7 @@ EXPORT_SYMBOL(fc_get_event_number); * * Notes: * This routine assumes no locks are held on entry. - **/ + */ void fc_host_post_event(struct Scsi_Host *shost, u32 event_number, enum fc_host_event_code event_code, u32 event_data) @@ -579,17 +578,16 @@ EXPORT_SYMBOL(fc_host_post_event); /** - * fc_host_post_vendor_event - called to post a vendor unique event on - * a fc_host - * + * fc_host_post_vendor_event - called to post a vendor unique event on an fc_host * @shost: host the event occurred on * @event_number: fc event number obtained from get_fc_event_number() * @data_len: amount, in bytes, of vendor unique data * @data_buf: pointer to vendor unique data + * @vendor_id: Vendor id * * Notes: * This routine assumes no locks are held on entry. - **/ + */ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number, u32 data_len, char * data_buf, u64 vendor_id) @@ -1900,7 +1898,6 @@ static int fc_vport_match(struct attribute_container *cont, /** * fc_timed_out - FC Transport I/O timeout intercept handler - * * @scmd: The SCSI command which timed out * * This routine protects against error handlers getting invoked while a @@ -1920,7 +1917,7 @@ static int fc_vport_match(struct attribute_container *cont, * * Notes: * This routine assumes no locks are held on entry. - **/ + */ static enum scsi_eh_timer_return fc_timed_out(struct scsi_cmnd *scmd) { @@ -2133,7 +2130,7 @@ EXPORT_SYMBOL(fc_release_transport); * 1 - work queued for execution * 0 - work is already queued * -EINVAL - work queue doesn't exist - **/ + */ static int fc_queue_work(struct Scsi_Host *shost, struct work_struct *work) { @@ -2152,7 +2149,7 @@ fc_queue_work(struct Scsi_Host *shost, struct work_struct *work) /** * fc_flush_work - Flush a fc_host's workqueue. * @shost: Pointer to Scsi_Host bound to fc_host. - **/ + */ static void fc_flush_work(struct Scsi_Host *shost) { @@ -2175,7 +2172,7 @@ fc_flush_work(struct Scsi_Host *shost) * * Return value: * 1 on success / 0 already queued / < 0 for error - **/ + */ static int fc_queue_devloss_work(struct Scsi_Host *shost, struct delayed_work *work, unsigned long delay) @@ -2195,7 +2192,7 @@ fc_queue_devloss_work(struct Scsi_Host *shost, struct delayed_work *work, /** * fc_flush_devloss - Flush a fc_host's devloss workqueue. * @shost: Pointer to Scsi_Host bound to fc_host. - **/ + */ static void fc_flush_devloss(struct Scsi_Host *shost) { @@ -2212,21 +2209,20 @@ fc_flush_devloss(struct Scsi_Host *shost) /** - * fc_remove_host - called to terminate any fc_transport-related elements - * for a scsi host. - * @rport: remote port to be unblocked. + * fc_remove_host - called to terminate any fc_transport-related elements for a scsi host. + * @shost: Which &Scsi_Host * * This routine is expected to be called immediately preceeding the * a driver's call to scsi_remove_host(). * * WARNING: A driver utilizing the fc_transport, which fails to call - * this routine prior to scsi_remote_host(), will leave dangling + * this routine prior to scsi_remove_host(), will leave dangling * objects in /sys/class/fc_remote_ports. Access to any of these * objects can result in a system crash !!! * * Notes: * This routine assumes no locks are held on entry. - **/ + */ void fc_remove_host(struct Scsi_Host *shost) { @@ -2281,10 +2277,10 @@ EXPORT_SYMBOL(fc_remove_host); /** * fc_starget_delete - called to delete the scsi decendents of an rport - * (target and all sdevs) - * * @work: remote port to be operated on. - **/ + * + * Deletes target and all sdevs. + */ static void fc_starget_delete(struct work_struct *work) { @@ -2303,9 +2299,8 @@ fc_starget_delete(struct work_struct *work) /** * fc_rport_final_delete - finish rport termination and delete it. - * * @work: remote port to be deleted. - **/ + */ static void fc_rport_final_delete(struct work_struct *work) { @@ -2375,7 +2370,7 @@ fc_rport_final_delete(struct work_struct *work) * * Notes: * This routine assumes no locks are held on entry. - **/ + */ static struct fc_rport * fc_rport_create(struct Scsi_Host *shost, int channel, struct fc_rport_identifiers *ids) @@ -2462,8 +2457,7 @@ delete_rport: } /** - * fc_remote_port_add - notifies the fc transport of the existence - * of a remote FC port. + * fc_remote_port_add - notify fc transport of the existence of a remote FC port. * @shost: scsi host the remote port is connected to. * @channel: Channel on shost port connected to. * @ids: The world wide names, fc address, and FC4 port @@ -2499,7 +2493,7 @@ delete_rport: * * Notes: * This routine assumes no locks are held on entry. - **/ + */ struct fc_rport * fc_remote_port_add(struct Scsi_Host *shost, int channel, struct fc_rport_identifiers *ids) @@ -2683,19 +2677,18 @@ EXPORT_SYMBOL(fc_remote_port_add); /** - * fc_remote_port_delete - notifies the fc transport that a remote - * port is no longer in existence. + * fc_remote_port_delete - notifies the fc transport that a remote port is no longer in existence. * @rport: The remote port that no longer exists * * The LLDD calls this routine to notify the transport that a remote * port is no longer part of the topology. Note: Although a port * may no longer be part of the topology, it may persist in the remote * ports displayed by the fc_host. We do this under 2 conditions: - * - If the port was a scsi target, we delay its deletion by "blocking" it. + * 1) If the port was a scsi target, we delay its deletion by "blocking" it. * This allows the port to temporarily disappear, then reappear without * disrupting the SCSI device tree attached to it. During the "blocked" * period the port will still exist. - * - If the port was a scsi target and disappears for longer than we + * 2) If the port was a scsi target and disappears for longer than we * expect, we'll delete the port and the tear down the SCSI device tree * attached to it. However, we want to semi-persist the target id assigned * to that port if it eventually does exist. The port structure will @@ -2709,7 +2702,8 @@ EXPORT_SYMBOL(fc_remote_port_add); * temporary blocked state. From the LLDD's perspective, the rport no * longer exists. From the SCSI midlayer's perspective, the SCSI target * exists, but all sdevs on it are blocked from further I/O. The following - * is then expected: + * is then expected. + * * If the remote port does not return (signaled by a LLDD call to * fc_remote_port_add()) within the dev_loss_tmo timeout, then the * scsi target is removed - killing all outstanding i/o and removing the @@ -2731,7 +2725,7 @@ EXPORT_SYMBOL(fc_remote_port_add); * * Notes: * This routine assumes no locks are held on entry. - **/ + */ void fc_remote_port_delete(struct fc_rport *rport) { @@ -2792,12 +2786,12 @@ fc_remote_port_delete(struct fc_rport *rport) EXPORT_SYMBOL(fc_remote_port_delete); /** - * fc_remote_port_rolechg - notifies the fc transport that the roles - * on a remote may have changed. + * fc_remote_port_rolechg - notifies the fc transport that the roles on a remote may have changed. * @rport: The remote port that changed. + * @roles: New roles for this port. * - * The LLDD calls this routine to notify the transport that the roles - * on a remote port may have changed. The largest effect of this is + * Description: The LLDD calls this routine to notify the transport that the + * roles on a remote port may have changed. The largest effect of this is * if a port now becomes a FCP Target, it must be allocated a * scsi target id. If the port is no longer a FCP target, any * scsi target id value assigned to it will persist in case the @@ -2810,7 +2804,7 @@ EXPORT_SYMBOL(fc_remote_port_delete); * * Notes: * This routine assumes no locks are held on entry. - **/ + */ void fc_remote_port_rolechg(struct fc_rport *rport, u32 roles) { @@ -2875,12 +2869,12 @@ fc_remote_port_rolechg(struct fc_rport *rport, u32 roles) EXPORT_SYMBOL(fc_remote_port_rolechg); /** - * fc_timeout_deleted_rport - Timeout handler for a deleted remote port, - * which we blocked, and has now failed to return - * in the allotted time. - * + * fc_timeout_deleted_rport - Timeout handler for a deleted remote port. * @work: rport target that failed to reappear in the allotted time. - **/ + * + * Description: An attempt to delete a remote port blocks, and if it fails + * to return in the allotted time this gets called. + */ static void fc_timeout_deleted_rport(struct work_struct *work) { @@ -2984,14 +2978,12 @@ fc_timeout_deleted_rport(struct work_struct *work) } /** - * fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a - * disconnected SCSI target. - * + * fc_timeout_fail_rport_io - Timeout handler for a fast io failing on a disconnected SCSI target. * @work: rport to terminate io on. * * Notes: Only requests the failure of the io, not that all are flushed * prior to returning. - **/ + */ static void fc_timeout_fail_rport_io(struct work_struct *work) { @@ -3008,9 +3000,8 @@ fc_timeout_fail_rport_io(struct work_struct *work) /** * fc_scsi_scan_rport - called to perform a scsi scan on a remote port. - * * @work: remote port to be scanned. - **/ + */ static void fc_scsi_scan_rport(struct work_struct *work) { @@ -3047,7 +3038,7 @@ fc_scsi_scan_rport(struct work_struct *work) * * Notes: * This routine assumes no locks are held on entry. - **/ + */ static int fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev, struct fc_vport_identifiers *ids, struct fc_vport **ret_vport) @@ -3172,7 +3163,7 @@ delete_vport: * * Notes: * This routine assumes no locks are held on entry. - **/ + */ int fc_vport_terminate(struct fc_vport *vport) { @@ -3232,9 +3223,8 @@ EXPORT_SYMBOL(fc_vport_terminate); /** * fc_vport_sched_delete - workq-based delete request for a vport - * * @work: vport to be deleted. - **/ + */ static void fc_vport_sched_delete(struct work_struct *work) { diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 5428d15f23c6..ef0e74264880 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -30,10 +30,10 @@ #include <scsi/scsi_transport_iscsi.h> #include <scsi/iscsi_if.h> -#define ISCSI_SESSION_ATTRS 15 +#define ISCSI_SESSION_ATTRS 18 #define ISCSI_CONN_ATTRS 11 #define ISCSI_HOST_ATTRS 4 -#define ISCSI_TRANSPORT_VERSION "2.0-724" +#define ISCSI_TRANSPORT_VERSION "2.0-867" struct iscsi_internal { int daemon_pid; @@ -50,6 +50,7 @@ struct iscsi_internal { }; static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ +static struct workqueue_struct *iscsi_eh_timer_workq; /* * list of registered transports and lock that must @@ -115,6 +116,8 @@ static struct attribute_group iscsi_transport_group = { .attrs = iscsi_transport_attrs, }; + + static int iscsi_setup_host(struct transport_container *tc, struct device *dev, struct class_device *cdev) { @@ -124,13 +127,30 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev, memset(ihost, 0, sizeof(*ihost)); INIT_LIST_HEAD(&ihost->sessions); mutex_init(&ihost->mutex); + + snprintf(ihost->unbind_workq_name, KOBJ_NAME_LEN, "iscsi_unbind_%d", + shost->host_no); + ihost->unbind_workq = create_singlethread_workqueue( + ihost->unbind_workq_name); + if (!ihost->unbind_workq) + return -ENOMEM; + return 0; +} + +static int iscsi_remove_host(struct transport_container *tc, struct device *dev, + struct class_device *cdev) +{ + struct Scsi_Host *shost = dev_to_shost(dev); + struct iscsi_host *ihost = shost->shost_data; + + destroy_workqueue(ihost->unbind_workq); return 0; } static DECLARE_TRANSPORT_CLASS(iscsi_host_class, "iscsi_host", iscsi_setup_host, - NULL, + iscsi_remove_host, NULL); static DECLARE_TRANSPORT_CLASS(iscsi_session_class, @@ -252,7 +272,7 @@ static void session_recovery_timedout(struct work_struct *work) void iscsi_unblock_session(struct iscsi_cls_session *session) { if (!cancel_delayed_work(&session->recovery_work)) - flush_scheduled_work(); + flush_workqueue(iscsi_eh_timer_workq); scsi_target_unblock(&session->dev); } EXPORT_SYMBOL_GPL(iscsi_unblock_session); @@ -260,11 +280,40 @@ EXPORT_SYMBOL_GPL(iscsi_unblock_session); void iscsi_block_session(struct iscsi_cls_session *session) { scsi_target_block(&session->dev); - schedule_delayed_work(&session->recovery_work, - session->recovery_tmo * HZ); + queue_delayed_work(iscsi_eh_timer_workq, &session->recovery_work, + session->recovery_tmo * HZ); } EXPORT_SYMBOL_GPL(iscsi_block_session); +static void __iscsi_unbind_session(struct work_struct *work) +{ + struct iscsi_cls_session *session = + container_of(work, struct iscsi_cls_session, + unbind_work); + struct Scsi_Host *shost = iscsi_session_to_shost(session); + struct iscsi_host *ihost = shost->shost_data; + + /* Prevent new scans and make sure scanning is not in progress */ + mutex_lock(&ihost->mutex); + if (list_empty(&session->host_list)) { + mutex_unlock(&ihost->mutex); + return; + } + list_del_init(&session->host_list); + mutex_unlock(&ihost->mutex); + + scsi_remove_target(&session->dev); + iscsi_session_event(session, ISCSI_KEVENT_UNBIND_SESSION); +} + +static int iscsi_unbind_session(struct iscsi_cls_session *session) +{ + struct Scsi_Host *shost = iscsi_session_to_shost(session); + struct iscsi_host *ihost = shost->shost_data; + + return queue_work(ihost->unbind_workq, &session->unbind_work); +} + struct iscsi_cls_session * iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport) @@ -281,6 +330,7 @@ iscsi_alloc_session(struct Scsi_Host *shost, INIT_DELAYED_WORK(&session->recovery_work, session_recovery_timedout); INIT_LIST_HEAD(&session->host_list); INIT_LIST_HEAD(&session->sess_list); + INIT_WORK(&session->unbind_work, __iscsi_unbind_session); /* this is released in the dev's release function */ scsi_host_get(shost); @@ -297,6 +347,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) { struct Scsi_Host *shost = iscsi_session_to_shost(session); struct iscsi_host *ihost; + unsigned long flags; int err; ihost = shost->shost_data; @@ -313,9 +364,15 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) } transport_register_device(&session->dev); + spin_lock_irqsave(&sesslock, flags); + list_add(&session->sess_list, &sesslist); + spin_unlock_irqrestore(&sesslock, flags); + mutex_lock(&ihost->mutex); list_add(&session->host_list, &ihost->sessions); mutex_unlock(&ihost->mutex); + + iscsi_session_event(session, ISCSI_KEVENT_CREATE_SESSION); return 0; release_host: @@ -328,9 +385,10 @@ EXPORT_SYMBOL_GPL(iscsi_add_session); * iscsi_create_session - create iscsi class session * @shost: scsi host * @transport: iscsi transport + * @target_id: which target * * This can be called from a LLD or iscsi_transport. - **/ + */ struct iscsi_cls_session * iscsi_create_session(struct Scsi_Host *shost, struct iscsi_transport *transport, @@ -350,19 +408,58 @@ iscsi_create_session(struct Scsi_Host *shost, } EXPORT_SYMBOL_GPL(iscsi_create_session); +static void iscsi_conn_release(struct device *dev) +{ + struct iscsi_cls_conn *conn = iscsi_dev_to_conn(dev); + struct device *parent = conn->dev.parent; + + kfree(conn); + put_device(parent); +} + +static int iscsi_is_conn_dev(const struct device *dev) +{ + return dev->release == iscsi_conn_release; +} + +static int iscsi_iter_destroy_conn_fn(struct device *dev, void *data) +{ + if (!iscsi_is_conn_dev(dev)) + return 0; + return iscsi_destroy_conn(iscsi_dev_to_conn(dev)); +} + void iscsi_remove_session(struct iscsi_cls_session *session) { struct Scsi_Host *shost = iscsi_session_to_shost(session); struct iscsi_host *ihost = shost->shost_data; + unsigned long flags; + int err; - if (!cancel_delayed_work(&session->recovery_work)) - flush_scheduled_work(); + spin_lock_irqsave(&sesslock, flags); + list_del(&session->sess_list); + spin_unlock_irqrestore(&sesslock, flags); - mutex_lock(&ihost->mutex); - list_del(&session->host_list); - mutex_unlock(&ihost->mutex); + /* + * If we are blocked let commands flow again. The lld or iscsi + * layer should set up the queuecommand to fail commands. + */ + iscsi_unblock_session(session); + iscsi_unbind_session(session); + /* + * If the session dropped while removing devices then we need to make + * sure it is not blocked + */ + if (!cancel_delayed_work(&session->recovery_work)) + flush_workqueue(iscsi_eh_timer_workq); + flush_workqueue(ihost->unbind_workq); - scsi_remove_target(&session->dev); + /* hw iscsi may not have removed all connections from session */ + err = device_for_each_child(&session->dev, NULL, + iscsi_iter_destroy_conn_fn); + if (err) + dev_printk(KERN_ERR, &session->dev, "iscsi: Could not delete " + "all connections for session. Error %d.\n", err); transport_unregister_device(&session->dev); device_del(&session->dev); @@ -371,9 +468,9 @@ EXPORT_SYMBOL_GPL(iscsi_remove_session); void iscsi_free_session(struct iscsi_cls_session *session) { + iscsi_session_event(session, ISCSI_KEVENT_DESTROY_SESSION); put_device(&session->dev); } - EXPORT_SYMBOL_GPL(iscsi_free_session); /** @@ -382,7 +479,7 @@ EXPORT_SYMBOL_GPL(iscsi_free_session); * * Can be called by a LLD or iscsi_transport. There must not be * any running connections. - **/ + */ int iscsi_destroy_session(struct iscsi_cls_session *session) { iscsi_remove_session(session); @@ -391,20 +488,6 @@ int iscsi_destroy_session(struct iscsi_cls_session *session) } EXPORT_SYMBOL_GPL(iscsi_destroy_session); -static void iscsi_conn_release(struct device *dev) -{ - struct iscsi_cls_conn *conn = iscsi_dev_to_conn(dev); - struct device *parent = conn->dev.parent; - - kfree(conn); - put_device(parent); -} - -static int iscsi_is_conn_dev(const struct device *dev) -{ - return dev->release == iscsi_conn_release; -} - /** * iscsi_create_conn - create iscsi class connection * @session: iscsi cls session @@ -418,12 +501,13 @@ static int iscsi_is_conn_dev(const struct device *dev) * for software iscsi we could be trying to preallocate a connection struct * in which case there could be two connection structs and cid would be * non-zero. - **/ + */ struct iscsi_cls_conn * iscsi_create_conn(struct iscsi_cls_session *session, uint32_t cid) { struct iscsi_transport *transport = session->transport; struct iscsi_cls_conn *conn; + unsigned long flags; int err; conn = kzalloc(sizeof(*conn) + transport->conndata_size, GFP_KERNEL); @@ -452,6 +536,11 @@ iscsi_create_conn(struct iscsi_cls_session *session, uint32_t cid) goto release_parent_ref; } transport_register_device(&conn->dev); + + spin_lock_irqsave(&connlock, flags); + list_add(&conn->conn_list, &connlist); + conn->active = 1; + spin_unlock_irqrestore(&connlock, flags); return conn; release_parent_ref: @@ -465,17 +554,23 @@ EXPORT_SYMBOL_GPL(iscsi_create_conn); /** * iscsi_destroy_conn - destroy iscsi class connection - * @session: iscsi cls session + * @conn: iscsi cls session * * This can be called from a LLD or iscsi_transport. - **/ + */ int iscsi_destroy_conn(struct iscsi_cls_conn *conn) { + unsigned long flags; + + spin_lock_irqsave(&connlock, flags); + conn->active = 0; + list_del(&conn->conn_list); + spin_unlock_irqrestore(&connlock, flags); + transport_unregister_device(&conn->dev); device_unregister(&conn->dev); return 0; } - EXPORT_SYMBOL_GPL(iscsi_destroy_conn); /* @@ -685,132 +780,74 @@ iscsi_if_get_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh) } /** - * iscsi_if_destroy_session_done - send session destr. completion event - * @conn: last connection for session - * - * This is called by HW iscsi LLDs to notify userpsace that its HW has - * removed a session. - **/ -int iscsi_if_destroy_session_done(struct iscsi_cls_conn *conn) + * iscsi_session_event - send session destr. completion event + * @session: iscsi class session + * @event: type of event + */ +int iscsi_session_event(struct iscsi_cls_session *session, + enum iscsi_uevent_e event) { struct iscsi_internal *priv; - struct iscsi_cls_session *session; struct Scsi_Host *shost; struct iscsi_uevent *ev; struct sk_buff *skb; struct nlmsghdr *nlh; - unsigned long flags; int rc, len = NLMSG_SPACE(sizeof(*ev)); - priv = iscsi_if_transport_lookup(conn->transport); + priv = iscsi_if_transport_lookup(session->transport); if (!priv) return -EINVAL; - - session = iscsi_dev_to_session(conn->dev.parent); shost = iscsi_session_to_shost(session); skb = alloc_skb(len, GFP_KERNEL); if (!skb) { - dev_printk(KERN_ERR, &conn->dev, "Cannot notify userspace of " - "session creation event\n"); + dev_printk(KERN_ERR, &session->dev, "Cannot notify userspace " + "of session event %u\n", event); return -ENOMEM; } nlh = __nlmsg_put(skb, priv->daemon_pid, 0, 0, (len - sizeof(*nlh)), 0); ev = NLMSG_DATA(nlh); - ev->transport_handle = iscsi_handle(conn->transport); - ev->type = ISCSI_KEVENT_DESTROY_SESSION; - ev->r.d_session.host_no = shost->host_no; - ev->r.d_session.sid = session->sid; - - /* - * this will occur if the daemon is not up, so we just warn - * the user and when the daemon is restarted it will handle it - */ - rc = iscsi_broadcast_skb(skb, GFP_KERNEL); - if (rc < 0) - dev_printk(KERN_ERR, &conn->dev, "Cannot notify userspace of " - "session destruction event. Check iscsi daemon\n"); - - spin_lock_irqsave(&sesslock, flags); - list_del(&session->sess_list); - spin_unlock_irqrestore(&sesslock, flags); + ev->transport_handle = iscsi_handle(session->transport); - spin_lock_irqsave(&connlock, flags); - conn->active = 0; - list_del(&conn->conn_list); - spin_unlock_irqrestore(&connlock, flags); - - return rc; -} -EXPORT_SYMBOL_GPL(iscsi_if_destroy_session_done); - -/** - * iscsi_if_create_session_done - send session creation completion event - * @conn: leading connection for session - * - * This is called by HW iscsi LLDs to notify userpsace that its HW has - * created a session or a existing session is back in the logged in state. - **/ -int iscsi_if_create_session_done(struct iscsi_cls_conn *conn) -{ - struct iscsi_internal *priv; - struct iscsi_cls_session *session; - struct Scsi_Host *shost; - struct iscsi_uevent *ev; - struct sk_buff *skb; - struct nlmsghdr *nlh; - unsigned long flags; - int rc, len = NLMSG_SPACE(sizeof(*ev)); - - priv = iscsi_if_transport_lookup(conn->transport); - if (!priv) + ev->type = event; + switch (event) { + case ISCSI_KEVENT_DESTROY_SESSION: + ev->r.d_session.host_no = shost->host_no; + ev->r.d_session.sid = session->sid; + break; + case ISCSI_KEVENT_CREATE_SESSION: + ev->r.c_session_ret.host_no = shost->host_no; + ev->r.c_session_ret.sid = session->sid; + break; + case ISCSI_KEVENT_UNBIND_SESSION: + ev->r.unbind_session.host_no = shost->host_no; + ev->r.unbind_session.sid = session->sid; + break; + default: + dev_printk(KERN_ERR, &session->dev, "Invalid event %u.\n", + event); + kfree_skb(skb); return -EINVAL; - - session = iscsi_dev_to_session(conn->dev.parent); - shost = iscsi_session_to_shost(session); - - skb = alloc_skb(len, GFP_KERNEL); - if (!skb) { - dev_printk(KERN_ERR, &conn->dev, "Cannot notify userspace of " - "session creation event\n"); - return -ENOMEM; } - nlh = __nlmsg_put(skb, priv->daemon_pid, 0, 0, (len - sizeof(*nlh)), 0); - ev = NLMSG_DATA(nlh); - ev->transport_handle = iscsi_handle(conn->transport); - ev->type = ISCSI_UEVENT_CREATE_SESSION; - ev->r.c_session_ret.host_no = shost->host_no; - ev->r.c_session_ret.sid = session->sid; - /* * this will occur if the daemon is not up, so we just warn * the user and when the daemon is restarted it will handle it */ rc = iscsi_broadcast_skb(skb, GFP_KERNEL); if (rc < 0) - dev_printk(KERN_ERR, &conn->dev, "Cannot notify userspace of " - "session creation event. Check iscsi daemon\n"); - - spin_lock_irqsave(&sesslock, flags); - list_add(&session->sess_list, &sesslist); - spin_unlock_irqrestore(&sesslock, flags); - - spin_lock_irqsave(&connlock, flags); - list_add(&conn->conn_list, &connlist); - conn->active = 1; - spin_unlock_irqrestore(&connlock, flags); + dev_printk(KERN_ERR, &session->dev, "Cannot notify userspace " + "of session event %u. Check iscsi daemon\n", event); return rc; } -EXPORT_SYMBOL_GPL(iscsi_if_create_session_done); +EXPORT_SYMBOL_GPL(iscsi_session_event); static int iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_uevent *ev) { struct iscsi_transport *transport = priv->iscsi_transport; struct iscsi_cls_session *session; - unsigned long flags; uint32_t hostno; session = transport->create_session(transport, &priv->t, @@ -821,10 +858,6 @@ iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_uevent *ev) if (!session) return -ENOMEM; - spin_lock_irqsave(&sesslock, flags); - list_add(&session->sess_list, &sesslist); - spin_unlock_irqrestore(&sesslock, flags); - ev->r.c_session_ret.host_no = hostno; ev->r.c_session_ret.sid = session->sid; return 0; @@ -835,7 +868,6 @@ iscsi_if_create_conn(struct iscsi_transport *transport, struct iscsi_uevent *ev) { struct iscsi_cls_conn *conn; struct iscsi_cls_session *session; - unsigned long flags; session = iscsi_session_lookup(ev->u.c_conn.sid); if (!session) { @@ -854,28 +886,17 @@ iscsi_if_create_conn(struct iscsi_transport *transport, struct iscsi_uevent *ev) ev->r.c_conn_ret.sid = session->sid; ev->r.c_conn_ret.cid = conn->cid; - - spin_lock_irqsave(&connlock, flags); - list_add(&conn->conn_list, &connlist); - conn->active = 1; - spin_unlock_irqrestore(&connlock, flags); - return 0; } static int iscsi_if_destroy_conn(struct iscsi_transport *transport, struct iscsi_uevent *ev) { - unsigned long flags; struct iscsi_cls_conn *conn; conn = iscsi_conn_lookup(ev->u.d_conn.sid, ev->u.d_conn.cid); if (!conn) return -EINVAL; - spin_lock_irqsave(&connlock, flags); - conn->active = 0; - list_del(&conn->conn_list); - spin_unlock_irqrestore(&connlock, flags); if (transport->destroy_conn) transport->destroy_conn(conn); @@ -1002,7 +1023,6 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) struct iscsi_internal *priv; struct iscsi_cls_session *session; struct iscsi_cls_conn *conn; - unsigned long flags; priv = iscsi_if_transport_lookup(iscsi_ptr(ev->transport_handle)); if (!priv) @@ -1020,13 +1040,16 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) break; case ISCSI_UEVENT_DESTROY_SESSION: session = iscsi_session_lookup(ev->u.d_session.sid); - if (session) { - spin_lock_irqsave(&sesslock, flags); - list_del(&session->sess_list); - spin_unlock_irqrestore(&sesslock, flags); - + if (session) transport->destroy_session(session); - } else + else + err = -EINVAL; + break; + case ISCSI_UEVENT_UNBIND_SESSION: + session = iscsi_session_lookup(ev->u.d_session.sid); + if (session) + iscsi_unbind_session(session); + else err = -EINVAL; break; case ISCSI_UEVENT_CREATE_CONN: @@ -1179,6 +1202,8 @@ iscsi_conn_attr(port, ISCSI_PARAM_CONN_PORT); iscsi_conn_attr(exp_statsn, ISCSI_PARAM_EXP_STATSN); iscsi_conn_attr(persistent_address, ISCSI_PARAM_PERSISTENT_ADDRESS); iscsi_conn_attr(address, ISCSI_PARAM_CONN_ADDRESS); +iscsi_conn_attr(ping_tmo, ISCSI_PARAM_PING_TMO); +iscsi_conn_attr(recv_tmo, ISCSI_PARAM_RECV_TMO); #define iscsi_cdev_to_session(_cdev) \ iscsi_dev_to_session(_cdev->dev) @@ -1217,6 +1242,9 @@ iscsi_session_attr(username, ISCSI_PARAM_USERNAME, 1); iscsi_session_attr(username_in, ISCSI_PARAM_USERNAME_IN, 1); iscsi_session_attr(password, ISCSI_PARAM_PASSWORD, 1); iscsi_session_attr(password_in, ISCSI_PARAM_PASSWORD_IN, 1); +iscsi_session_attr(fast_abort, ISCSI_PARAM_FAST_ABORT, 0); +iscsi_session_attr(abort_tmo, ISCSI_PARAM_ABORT_TMO, 0); +iscsi_session_attr(lu_reset_tmo, ISCSI_PARAM_LU_RESET_TMO, 0); #define iscsi_priv_session_attr_show(field, format) \ static ssize_t \ @@ -1413,6 +1441,8 @@ iscsi_register_transport(struct iscsi_transport *tt) SETUP_CONN_RD_ATTR(exp_statsn, ISCSI_EXP_STATSN); SETUP_CONN_RD_ATTR(persistent_address, ISCSI_PERSISTENT_ADDRESS); SETUP_CONN_RD_ATTR(persistent_port, ISCSI_PERSISTENT_PORT); + SETUP_CONN_RD_ATTR(ping_tmo, ISCSI_PING_TMO); + SETUP_CONN_RD_ATTR(recv_tmo, ISCSI_RECV_TMO); BUG_ON(count > ISCSI_CONN_ATTRS); priv->conn_attrs[count] = NULL; @@ -1438,6 +1468,9 @@ iscsi_register_transport(struct iscsi_transport *tt) SETUP_SESSION_RD_ATTR(password_in, ISCSI_USERNAME_IN); SETUP_SESSION_RD_ATTR(username, ISCSI_PASSWORD); SETUP_SESSION_RD_ATTR(username_in, ISCSI_PASSWORD_IN); + SETUP_SESSION_RD_ATTR(fast_abort, ISCSI_FAST_ABORT); + SETUP_SESSION_RD_ATTR(abort_tmo, ISCSI_ABORT_TMO); + SETUP_SESSION_RD_ATTR(lu_reset_tmo,ISCSI_LU_RESET_TMO); SETUP_PRIV_SESSION_RD_ATTR(recovery_tmo); BUG_ON(count > ISCSI_SESSION_ATTRS); @@ -1518,8 +1551,14 @@ static __init int iscsi_transport_init(void) goto unregister_session_class; } + iscsi_eh_timer_workq = create_singlethread_workqueue("iscsi_eh"); + if (!iscsi_eh_timer_workq) + goto release_nls; + return 0; +release_nls: + sock_release(nls->sk_socket); unregister_session_class: transport_class_unregister(&iscsi_session_class); unregister_conn_class: @@ -1533,6 +1572,7 @@ unregister_transport_class: static void __exit iscsi_transport_exit(void) { + destroy_workqueue(iscsi_eh_timer_workq); sock_release(nls->sk_socket); transport_class_unregister(&iscsi_connection_class); transport_class_unregister(&iscsi_session_class); diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 3120f4b3a11a..f2149d0bb999 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -173,6 +173,7 @@ static void sas_smp_request(struct request_queue *q, struct Scsi_Host *shost, handler = to_sas_internal(shost->transportt)->f->smp_handler; ret = handler(shost, rphy, req); + req->errors = ret; spin_lock_irq(q->queue_lock); @@ -323,7 +324,7 @@ static int do_sas_phy_delete(struct device *dev, void *data) } /** - * sas_remove_children -- tear down a devices SAS data structures + * sas_remove_children - tear down a devices SAS data structures * @dev: device belonging to the sas object * * Removes all SAS PHYs and remote PHYs for a given object @@ -336,7 +337,7 @@ void sas_remove_children(struct device *dev) EXPORT_SYMBOL(sas_remove_children); /** - * sas_remove_host -- tear down a Scsi_Host's SAS data structures + * sas_remove_host - tear down a Scsi_Host's SAS data structures * @shost: Scsi Host that is torn down * * Removes all SAS PHYs and remote PHYs for a given Scsi_Host. @@ -577,7 +578,7 @@ static void sas_phy_release(struct device *dev) } /** - * sas_phy_alloc -- allocates and initialize a SAS PHY structure + * sas_phy_alloc - allocates and initialize a SAS PHY structure * @parent: Parent device * @number: Phy index * @@ -618,7 +619,7 @@ struct sas_phy *sas_phy_alloc(struct device *parent, int number) EXPORT_SYMBOL(sas_phy_alloc); /** - * sas_phy_add -- add a SAS PHY to the device hierarchy + * sas_phy_add - add a SAS PHY to the device hierarchy * @phy: The PHY to be added * * Publishes a SAS PHY to the rest of the system. @@ -638,7 +639,7 @@ int sas_phy_add(struct sas_phy *phy) EXPORT_SYMBOL(sas_phy_add); /** - * sas_phy_free -- free a SAS PHY + * sas_phy_free - free a SAS PHY * @phy: SAS PHY to free * * Frees the specified SAS PHY. @@ -655,7 +656,7 @@ void sas_phy_free(struct sas_phy *phy) EXPORT_SYMBOL(sas_phy_free); /** - * sas_phy_delete -- remove SAS PHY + * sas_phy_delete - remove SAS PHY * @phy: SAS PHY to remove * * Removes the specified SAS PHY. If the SAS PHY has an @@ -677,7 +678,7 @@ sas_phy_delete(struct sas_phy *phy) EXPORT_SYMBOL(sas_phy_delete); /** - * scsi_is_sas_phy -- check if a struct device represents a SAS PHY + * scsi_is_sas_phy - check if a struct device represents a SAS PHY * @dev: device to check * * Returns: @@ -843,7 +844,6 @@ EXPORT_SYMBOL(sas_port_alloc_num); /** * sas_port_add - add a SAS port to the device hierarchy - * * @port: port to be added * * publishes a port to the rest of the system @@ -868,7 +868,7 @@ int sas_port_add(struct sas_port *port) EXPORT_SYMBOL(sas_port_add); /** - * sas_port_free -- free a SAS PORT + * sas_port_free - free a SAS PORT * @port: SAS PORT to free * * Frees the specified SAS PORT. @@ -885,7 +885,7 @@ void sas_port_free(struct sas_port *port) EXPORT_SYMBOL(sas_port_free); /** - * sas_port_delete -- remove SAS PORT + * sas_port_delete - remove SAS PORT * @port: SAS PORT to remove * * Removes the specified SAS PORT. If the SAS PORT has an @@ -924,7 +924,7 @@ void sas_port_delete(struct sas_port *port) EXPORT_SYMBOL(sas_port_delete); /** - * scsi_is_sas_port -- check if a struct device represents a SAS port + * scsi_is_sas_port - check if a struct device represents a SAS port * @dev: device to check * * Returns: @@ -1309,6 +1309,7 @@ static void sas_rphy_initialize(struct sas_rphy *rphy) /** * sas_end_device_alloc - allocate an rphy for an end device + * @parent: which port * * Allocates an SAS remote PHY structure, connected to @parent. * @@ -1345,6 +1346,8 @@ EXPORT_SYMBOL(sas_end_device_alloc); /** * sas_expander_alloc - allocate an rphy for an end device + * @parent: which port + * @type: SAS_EDGE_EXPANDER_DEVICE or SAS_FANOUT_EXPANDER_DEVICE * * Allocates an SAS remote PHY structure, connected to @parent. * @@ -1383,7 +1386,7 @@ struct sas_rphy *sas_expander_alloc(struct sas_port *parent, EXPORT_SYMBOL(sas_expander_alloc); /** - * sas_rphy_add -- add a SAS remote PHY to the device hierarchy + * sas_rphy_add - add a SAS remote PHY to the device hierarchy * @rphy: The remote PHY to be added * * Publishes a SAS remote PHY to the rest of the system. @@ -1430,8 +1433,8 @@ int sas_rphy_add(struct sas_rphy *rphy) EXPORT_SYMBOL(sas_rphy_add); /** - * sas_rphy_free -- free a SAS remote PHY - * @rphy SAS remote PHY to free + * sas_rphy_free - free a SAS remote PHY + * @rphy: SAS remote PHY to free * * Frees the specified SAS remote PHY. * @@ -1459,7 +1462,7 @@ void sas_rphy_free(struct sas_rphy *rphy) EXPORT_SYMBOL(sas_rphy_free); /** - * sas_rphy_delete -- remove and free SAS remote PHY + * sas_rphy_delete - remove and free SAS remote PHY * @rphy: SAS remote PHY to remove and free * * Removes the specified SAS remote PHY and frees it. @@ -1473,7 +1476,7 @@ sas_rphy_delete(struct sas_rphy *rphy) EXPORT_SYMBOL(sas_rphy_delete); /** - * sas_rphy_remove -- remove SAS remote PHY + * sas_rphy_remove - remove SAS remote PHY * @rphy: SAS remote phy to remove * * Removes the specified SAS remote PHY. @@ -1504,7 +1507,7 @@ sas_rphy_remove(struct sas_rphy *rphy) EXPORT_SYMBOL(sas_rphy_remove); /** - * scsi_is_sas_rphy -- check if a struct device represents a SAS remote PHY + * scsi_is_sas_rphy - check if a struct device represents a SAS remote PHY * @dev: device to check * * Returns: @@ -1604,7 +1607,7 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel, SETUP_TEMPLATE(expander_attrs, expander_##field, S_IRUGO, 1) /** - * sas_attach_transport -- instantiate SAS transport template + * sas_attach_transport - instantiate SAS transport template * @ft: SAS transport class function template */ struct scsi_transport_template * @@ -1715,7 +1718,7 @@ sas_attach_transport(struct sas_function_template *ft) EXPORT_SYMBOL(sas_attach_transport); /** - * sas_release_transport -- release SAS transport template instance + * sas_release_transport - release SAS transport template instance * @t: transport template instance */ void sas_release_transport(struct scsi_transport_template *t) diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 4df21c92ff1e..1fb60313a516 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -52,13 +52,6 @@ struct spi_internal { struct scsi_transport_template t; struct spi_function_template *f; - /* The actual attributes */ - struct class_device_attribute private_attrs[SPI_NUM_ATTRS]; - /* The array of null terminated pointers to attributes - * needed by scsi_sysfs.c */ - struct class_device_attribute *attrs[SPI_NUM_ATTRS + SPI_OTHER_ATTRS + 1]; - struct class_device_attribute private_host_attrs[SPI_HOST_ATTRS]; - struct class_device_attribute *host_attrs[SPI_HOST_ATTRS + 1]; }; #define to_spi_internal(tmpl) container_of(tmpl, struct spi_internal, t) @@ -174,17 +167,20 @@ static int spi_host_setup(struct transport_container *tc, struct device *dev, return 0; } +static int spi_host_configure(struct transport_container *tc, + struct device *dev, + struct class_device *cdev); + static DECLARE_TRANSPORT_CLASS(spi_host_class, "spi_host", spi_host_setup, NULL, - NULL); + spi_host_configure); static int spi_host_match(struct attribute_container *cont, struct device *dev) { struct Scsi_Host *shost; - struct spi_internal *i; if (!scsi_is_host_device(dev)) return 0; @@ -194,11 +190,13 @@ static int spi_host_match(struct attribute_container *cont, != &spi_host_class.class) return 0; - i = to_spi_internal(shost->transportt); - - return &i->t.host_attrs.ac == cont; + return &shost->transportt->host_attrs.ac == cont; } +static int spi_target_configure(struct transport_container *tc, + struct device *dev, + struct class_device *cdev); + static int spi_device_configure(struct transport_container *tc, struct device *dev, struct class_device *cdev) @@ -300,8 +298,10 @@ store_spi_transport_##field(struct class_device *cdev, const char *buf, \ struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); \ struct spi_internal *i = to_spi_internal(shost->transportt); \ \ + if (!i->f->set_##field) \ + return -EINVAL; \ val = simple_strtoul(buf, NULL, 0); \ - i->f->set_##field(starget, val); \ + i->f->set_##field(starget, val); \ return count; \ } @@ -317,6 +317,8 @@ store_spi_transport_##field(struct class_device *cdev, const char *buf, \ struct spi_transport_attrs *tp \ = (struct spi_transport_attrs *)&starget->starget_data; \ \ + if (i->f->set_##field) \ + return -EINVAL; \ val = simple_strtoul(buf, NULL, 0); \ if (val > tp->max_##field) \ val = tp->max_##field; \ @@ -327,14 +329,14 @@ store_spi_transport_##field(struct class_device *cdev, const char *buf, \ #define spi_transport_rd_attr(field, format_string) \ spi_transport_show_function(field, format_string) \ spi_transport_store_function(field, format_string) \ -static CLASS_DEVICE_ATTR(field, S_IRUGO | S_IWUSR, \ +static CLASS_DEVICE_ATTR(field, S_IRUGO, \ show_spi_transport_##field, \ store_spi_transport_##field); #define spi_transport_simple_attr(field, format_string) \ spi_transport_show_simple(field, format_string) \ spi_transport_store_simple(field, format_string) \ -static CLASS_DEVICE_ATTR(field, S_IRUGO | S_IWUSR, \ +static CLASS_DEVICE_ATTR(field, S_IRUGO, \ show_spi_transport_##field, \ store_spi_transport_##field); @@ -342,7 +344,7 @@ static CLASS_DEVICE_ATTR(field, S_IRUGO | S_IWUSR, \ spi_transport_show_function(field, format_string) \ spi_transport_store_max(field, format_string) \ spi_transport_simple_attr(max_##field, format_string) \ -static CLASS_DEVICE_ATTR(field, S_IRUGO | S_IWUSR, \ +static CLASS_DEVICE_ATTR(field, S_IRUGO, \ show_spi_transport_##field, \ store_spi_transport_##field); @@ -472,6 +474,9 @@ store_spi_transport_period(struct class_device *cdev, const char *buf, (struct spi_transport_attrs *)&starget->starget_data; int period, retval; + if (!i->f->set_period) + return -EINVAL; + retval = store_spi_transport_period_helper(cdev, buf, count, &period); if (period < tp->min_period) @@ -482,7 +487,7 @@ store_spi_transport_period(struct class_device *cdev, const char *buf, return retval; } -static CLASS_DEVICE_ATTR(period, S_IRUGO | S_IWUSR, +static CLASS_DEVICE_ATTR(period, S_IRUGO, show_spi_transport_period, store_spi_transport_period); @@ -490,9 +495,14 @@ static ssize_t show_spi_transport_min_period(struct class_device *cdev, char *buf) { struct scsi_target *starget = transport_class_to_starget(cdev); + struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); + struct spi_internal *i = to_spi_internal(shost->transportt); struct spi_transport_attrs *tp = (struct spi_transport_attrs *)&starget->starget_data; + if (!i->f->set_period) + return -EINVAL; + return show_spi_transport_period_helper(buf, tp->min_period); } @@ -509,7 +519,7 @@ store_spi_transport_min_period(struct class_device *cdev, const char *buf, } -static CLASS_DEVICE_ATTR(min_period, S_IRUGO | S_IWUSR, +static CLASS_DEVICE_ATTR(min_period, S_IRUGO, show_spi_transport_min_period, store_spi_transport_min_period); @@ -531,12 +541,15 @@ static ssize_t store_spi_host_signalling(struct class_device *cdev, struct spi_internal *i = to_spi_internal(shost->transportt); enum spi_signal_type type = spi_signal_to_value(buf); + if (!i->f->set_signalling) + return -EINVAL; + if (type != SPI_SIGNAL_UNKNOWN) i->f->set_signalling(shost, type); return count; } -static CLASS_DEVICE_ATTR(signalling, S_IRUGO | S_IWUSR, +static CLASS_DEVICE_ATTR(signalling, S_IRUGO, show_spi_host_signalling, store_spi_host_signalling); @@ -1262,35 +1275,6 @@ int spi_print_msg(const unsigned char *msg) EXPORT_SYMBOL(spi_print_msg); #endif /* ! CONFIG_SCSI_CONSTANTS */ -#define SETUP_ATTRIBUTE(field) \ - i->private_attrs[count] = class_device_attr_##field; \ - if (!i->f->set_##field) { \ - i->private_attrs[count].attr.mode = S_IRUGO; \ - i->private_attrs[count].store = NULL; \ - } \ - i->attrs[count] = &i->private_attrs[count]; \ - if (i->f->show_##field) \ - count++ - -#define SETUP_RELATED_ATTRIBUTE(field, rel_field) \ - i->private_attrs[count] = class_device_attr_##field; \ - if (!i->f->set_##rel_field) { \ - i->private_attrs[count].attr.mode = S_IRUGO; \ - i->private_attrs[count].store = NULL; \ - } \ - i->attrs[count] = &i->private_attrs[count]; \ - if (i->f->show_##rel_field) \ - count++ - -#define SETUP_HOST_ATTRIBUTE(field) \ - i->private_host_attrs[count] = class_device_attr_##field; \ - if (!i->f->set_##field) { \ - i->private_host_attrs[count].attr.mode = S_IRUGO; \ - i->private_host_attrs[count].store = NULL; \ - } \ - i->host_attrs[count] = &i->private_host_attrs[count]; \ - count++ - static int spi_device_match(struct attribute_container *cont, struct device *dev) { @@ -1343,16 +1327,156 @@ static DECLARE_TRANSPORT_CLASS(spi_transport_class, "spi_transport", spi_setup_transport_attrs, NULL, - NULL); + spi_target_configure); static DECLARE_ANON_TRANSPORT_CLASS(spi_device_class, spi_device_match, spi_device_configure); +static struct attribute *host_attributes[] = { + &class_device_attr_signalling.attr, + NULL +}; + +static struct attribute_group host_attribute_group = { + .attrs = host_attributes, +}; + +static int spi_host_configure(struct transport_container *tc, + struct device *dev, + struct class_device *cdev) +{ + struct kobject *kobj = &cdev->kobj; + struct Scsi_Host *shost = transport_class_to_shost(cdev); + struct spi_internal *si = to_spi_internal(shost->transportt); + struct attribute *attr = &class_device_attr_signalling.attr; + int rc = 0; + + if (si->f->set_signalling) + rc = sysfs_chmod_file(kobj, attr, attr->mode | S_IWUSR); + + return rc; +} + +/* returns true if we should be showing the variable. Also + * overloads the return by setting 1<<1 if the attribute should + * be writeable */ +#define TARGET_ATTRIBUTE_HELPER(name) \ + (si->f->show_##name ? 1 : 0) + \ + (si->f->set_##name ? 2 : 0) + +static int target_attribute_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct class_device *cdev = + container_of(kobj, struct class_device, kobj); + struct scsi_target *starget = transport_class_to_starget(cdev); + struct Scsi_Host *shost = transport_class_to_shost(cdev); + struct spi_internal *si = to_spi_internal(shost->transportt); + + if (attr == &class_device_attr_period.attr && + spi_support_sync(starget)) + return TARGET_ATTRIBUTE_HELPER(period); + else if (attr == &class_device_attr_min_period.attr && + spi_support_sync(starget)) + return TARGET_ATTRIBUTE_HELPER(period); + else if (attr == &class_device_attr_offset.attr && + spi_support_sync(starget)) + return TARGET_ATTRIBUTE_HELPER(offset); + else if (attr == &class_device_attr_max_offset.attr && + spi_support_sync(starget)) + return TARGET_ATTRIBUTE_HELPER(offset); + else if (attr == &class_device_attr_width.attr && + spi_support_wide(starget)) + return TARGET_ATTRIBUTE_HELPER(width); + else if (attr == &class_device_attr_max_width.attr && + spi_support_wide(starget)) + return TARGET_ATTRIBUTE_HELPER(width); + else if (attr == &class_device_attr_iu.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(iu); + else if (attr == &class_device_attr_dt.attr && + spi_support_dt(starget)) + return TARGET_ATTRIBUTE_HELPER(dt); + else if (attr == &class_device_attr_qas.attr && + spi_support_qas(starget)) + return TARGET_ATTRIBUTE_HELPER(qas); + else if (attr == &class_device_attr_wr_flow.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(wr_flow); + else if (attr == &class_device_attr_rd_strm.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(rd_strm); + else if (attr == &class_device_attr_rti.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(rti); + else if (attr == &class_device_attr_pcomp_en.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(pcomp_en); + else if (attr == &class_device_attr_hold_mcs.attr && + spi_support_ius(starget)) + return TARGET_ATTRIBUTE_HELPER(hold_mcs); + else if (attr == &class_device_attr_revalidate.attr) + return 1; + + return 0; +} + +static struct attribute *target_attributes[] = { + &class_device_attr_period.attr, + &class_device_attr_min_period.attr, + &class_device_attr_offset.attr, + &class_device_attr_max_offset.attr, + &class_device_attr_width.attr, + &class_device_attr_max_width.attr, + &class_device_attr_iu.attr, + &class_device_attr_dt.attr, + &class_device_attr_qas.attr, + &class_device_attr_wr_flow.attr, + &class_device_attr_rd_strm.attr, + &class_device_attr_rti.attr, + &class_device_attr_pcomp_en.attr, + &class_device_attr_hold_mcs.attr, + &class_device_attr_revalidate.attr, + NULL +}; + +static struct attribute_group target_attribute_group = { + .attrs = target_attributes, + .is_visible = target_attribute_is_visible, +}; + +static int spi_target_configure(struct transport_container *tc, + struct device *dev, + struct class_device *cdev) +{ + struct kobject *kobj = &cdev->kobj; + int i; + struct attribute *attr; + int rc; + + for (i = 0; (attr = target_attributes[i]) != NULL; i++) { + int j = target_attribute_group.is_visible(kobj, attr, i); + + /* FIXME: as well as returning -EEXIST, which we'd like + * to ignore, sysfs also does a WARN_ON and dumps a trace, + * which is bad, so temporarily, skip attributes that are + * already visible (the revalidate one) */ + if (j && attr != &class_device_attr_revalidate.attr) + rc = sysfs_add_file_to_group(kobj, attr, + target_attribute_group.name); + /* and make the attribute writeable if we have a set + * function */ + if ((j & 1)) + rc = sysfs_chmod_file(kobj, attr, attr->mode | S_IWUSR); + } + + return 0; +} + struct scsi_transport_template * spi_attach_transport(struct spi_function_template *ft) { - int count = 0; struct spi_internal *i = kzalloc(sizeof(struct spi_internal), GFP_KERNEL); @@ -1360,47 +1484,17 @@ spi_attach_transport(struct spi_function_template *ft) return NULL; i->t.target_attrs.ac.class = &spi_transport_class.class; - i->t.target_attrs.ac.attrs = &i->attrs[0]; + i->t.target_attrs.ac.grp = &target_attribute_group; i->t.target_attrs.ac.match = spi_target_match; transport_container_register(&i->t.target_attrs); i->t.target_size = sizeof(struct spi_transport_attrs); i->t.host_attrs.ac.class = &spi_host_class.class; - i->t.host_attrs.ac.attrs = &i->host_attrs[0]; + i->t.host_attrs.ac.grp = &host_attribute_group; i->t.host_attrs.ac.match = spi_host_match; transport_container_register(&i->t.host_attrs); i->t.host_size = sizeof(struct spi_host_attrs); i->f = ft; - SETUP_ATTRIBUTE(period); - SETUP_RELATED_ATTRIBUTE(min_period, period); - SETUP_ATTRIBUTE(offset); - SETUP_RELATED_ATTRIBUTE(max_offset, offset); - SETUP_ATTRIBUTE(width); - SETUP_RELATED_ATTRIBUTE(max_width, width); - SETUP_ATTRIBUTE(iu); - SETUP_ATTRIBUTE(dt); - SETUP_ATTRIBUTE(qas); - SETUP_ATTRIBUTE(wr_flow); - SETUP_ATTRIBUTE(rd_strm); - SETUP_ATTRIBUTE(rti); - SETUP_ATTRIBUTE(pcomp_en); - SETUP_ATTRIBUTE(hold_mcs); - - /* if you add an attribute but forget to increase SPI_NUM_ATTRS - * this bug will trigger */ - BUG_ON(count > SPI_NUM_ATTRS); - - i->attrs[count++] = &class_device_attr_revalidate; - - i->attrs[count] = NULL; - - count = 0; - SETUP_HOST_ATTRIBUTE(signalling); - - BUG_ON(count > SPI_HOST_ATTRS); - - i->host_attrs[count] = NULL; - return &i->t; } EXPORT_SYMBOL(spi_attach_transport); diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index 65c584db33bd..2445c98ae95e 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -185,11 +185,10 @@ static int srp_host_match(struct attribute_container *cont, struct device *dev) /** * srp_rport_add - add a SRP remote port to the device hierarchy - * * @shost: scsi host the remote port is connected to. * @ids: The port id for the remote port. * - * publishes a port to the rest of the system + * Publishes a port to the rest of the system. */ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, struct srp_rport_identifiers *ids) @@ -242,8 +241,8 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, EXPORT_SYMBOL_GPL(srp_rport_add); /** - * srp_rport_del -- remove a SRP remote port - * @port: SRP remote port to remove + * srp_rport_del - remove a SRP remote port + * @rport: SRP remote port to remove * * Removes the specified SRP remote port. */ @@ -271,7 +270,7 @@ static int do_srp_rport_del(struct device *dev, void *data) } /** - * srp_remove_host -- tear down a Scsi_Host's SRP data structures + * srp_remove_host - tear down a Scsi_Host's SRP data structures * @shost: Scsi Host that is torn down * * Removes all SRP remote ports for a given Scsi_Host. @@ -297,7 +296,7 @@ static int srp_it_nexus_response(struct Scsi_Host *shost, u64 nexus, int result) } /** - * srp_attach_transport -- instantiate SRP transport template + * srp_attach_transport - instantiate SRP transport template * @ft: SRP transport class function template */ struct scsi_transport_template * @@ -337,7 +336,7 @@ srp_attach_transport(struct srp_function_template *ft) EXPORT_SYMBOL_GPL(srp_attach_transport); /** - * srp_release_transport -- release SRP transport template instance + * srp_release_transport - release SRP transport template instance * @t: transport template instance */ void srp_release_transport(struct scsi_transport_template *t) diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index cd68a66c7bb3..3f21bc65e8c6 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -24,6 +24,14 @@ static int setsize(unsigned long capacity, unsigned int *cyls, unsigned int *hds, unsigned int *secs); +/** + * scsi_bios_ptable - Read PC partition table out of first sector of device. + * @dev: from this device + * + * Description: Reads the first sector from the device and returns %0x42 bytes + * starting at offset %0x1be. + * Returns: partition table in kmalloc(GFP_KERNEL) memory, or NULL on error. + */ unsigned char *scsi_bios_ptable(struct block_device *dev) { unsigned char *res = kmalloc(66, GFP_KERNEL); @@ -43,15 +51,17 @@ unsigned char *scsi_bios_ptable(struct block_device *dev) } EXPORT_SYMBOL(scsi_bios_ptable); -/* - * Function : int scsicam_bios_param (struct block_device *bdev, ector_t capacity, int *ip) +/** + * scsicam_bios_param - Determine geometry of a disk in cylinders/heads/sectors. + * @bdev: which device + * @capacity: size of the disk in sectors + * @ip: return value: ip[0]=heads, ip[1]=sectors, ip[2]=cylinders * - * Purpose : to determine the BIOS mapping used for a drive in a + * Description : determine the BIOS mapping/geometry used for a drive in a * SCSI-CAM system, storing the results in ip as required * by the HDIO_GETGEO ioctl(). * * Returns : -1 on failure, 0 on success. - * */ int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip) @@ -98,15 +108,18 @@ int scsicam_bios_param(struct block_device *bdev, sector_t capacity, int *ip) } EXPORT_SYMBOL(scsicam_bios_param); -/* - * Function : static int scsi_partsize(unsigned char *buf, unsigned long - * capacity,unsigned int *cyls, unsigned int *hds, unsigned int *secs); +/** + * scsi_partsize - Parse cylinders/heads/sectors from PC partition table + * @buf: partition table, see scsi_bios_ptable() + * @capacity: size of the disk in sectors + * @cyls: put cylinders here + * @hds: put heads here + * @secs: put sectors here * - * Purpose : to determine the BIOS mapping used to create the partition + * Description: determine the BIOS mapping/geometry used to create the partition * table, storing the results in *cyls, *hds, and *secs * - * Returns : -1 on failure, 0 on success. - * + * Returns: -1 on failure, 0 on success. */ int scsi_partsize(unsigned char *buf, unsigned long capacity, @@ -194,7 +207,7 @@ EXPORT_SYMBOL(scsi_partsize); * * WORKING X3T9.2 * DRAFT 792D - * + * see http://www.t10.org/ftp/t10/drafts/cam/cam-r12b.pdf * * Revision 6 * 10-MAR-94 diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a69b155f39a2..24eba3118b5a 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -395,6 +395,15 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) goto out; } + /* + * Some devices (some sdcards for one) don't like it if the + * last sector gets read in a larger then 1 sector read. + */ + if (unlikely(sdp->last_sector_bug && + rq->nr_sectors > sdp->sector_size / 512 && + block + this_count == get_capacity(disk))) + this_count -= sdp->sector_size / 512; + SCSI_LOG_HLQUEUE(2, scmd_printk(KERN_INFO, SCpnt, "block=%llu\n", (unsigned long long)block)); @@ -736,6 +745,7 @@ static int sd_media_changed(struct gendisk *disk) { struct scsi_disk *sdkp = scsi_disk(disk); struct scsi_device *sdp = sdkp->device; + struct scsi_sense_hdr *sshdr = NULL; int retval; SCSI_LOG_HLQUEUE(3, sd_printk(KERN_INFO, sdkp, "sd_media_changed\n")); @@ -749,8 +759,11 @@ static int sd_media_changed(struct gendisk *disk) * can deal with it then. It is only because of unrecoverable errors * that we would ever take a device offline in the first place. */ - if (!scsi_device_online(sdp)) - goto not_present; + if (!scsi_device_online(sdp)) { + set_media_not_present(sdkp); + retval = 1; + goto out; + } /* * Using TEST_UNIT_READY enables differentiation between drive with @@ -762,8 +775,12 @@ static int sd_media_changed(struct gendisk *disk) * sd_revalidate() is called. */ retval = -ENODEV; - if (scsi_block_when_processing_errors(sdp)) - retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, SD_MAX_RETRIES); + + if (scsi_block_when_processing_errors(sdp)) { + sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL); + retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, SD_MAX_RETRIES, + sshdr); + } /* * Unable to test, unit probably not ready. This usually @@ -771,8 +788,13 @@ static int sd_media_changed(struct gendisk *disk) * and we will figure it out later once the drive is * available again. */ - if (retval) - goto not_present; + if (retval || (scsi_sense_valid(sshdr) && + /* 0x3a is medium not present */ + sshdr->asc == 0x3a)) { + set_media_not_present(sdkp); + retval = 1; + goto out; + } /* * For removable scsi disk we have to recognise the presence @@ -783,12 +805,12 @@ static int sd_media_changed(struct gendisk *disk) retval = sdp->changed; sdp->changed = 0; - +out: + if (retval != sdkp->previous_state) + sdev_evt_send_simple(sdp, SDEV_EVT_MEDIA_CHANGE, GFP_KERNEL); + sdkp->previous_state = retval; + kfree(sshdr); return retval; - -not_present: - set_media_not_present(sdkp); - return 1; } static int sd_sync_cache(struct scsi_disk *sdkp) diff --git a/drivers/scsi/seagate.c b/drivers/scsi/seagate.c deleted file mode 100644 index b11324479b5b..000000000000 --- a/drivers/scsi/seagate.c +++ /dev/null @@ -1,1667 +0,0 @@ -/* - * seagate.c Copyright (C) 1992, 1993 Drew Eckhardt - * low level scsi driver for ST01/ST02, Future Domain TMC-885, - * TMC-950 by Drew Eckhardt <drew@colorado.edu> - * - * Note : TMC-880 boards don't work because they have two bits in - * the status register flipped, I'll fix this "RSN" - * [why do I have strong feeling that above message is from 1993? :-) - * pavel@ucw.cz] - * - * This card does all the I/O via memory mapped I/O, so there is no need - * to check or allocate a region of the I/O address space. - */ - -/* 1996 - to use new read{b,w,l}, write{b,w,l}, and phys_to_virt - * macros, replaced assembler routines with C. There's probably a - * performance hit, but I only have a cdrom and can't tell. Define - * SEAGATE_USE_ASM if you want the old assembler code -- SJT - * - * 1998-jul-29 - created DPRINTK macros and made it work under - * linux 2.1.112, simplified some #defines etc. <pavel@ucw.cz> - * - * Aug 2000 - aeb - deleted seagate_st0x_biosparam(). It would try to - * read the physical disk geometry, a bad mistake. Of course it doesn't - * matter much what geometry one invents, but on large disks it - * returned 256 (or more) heads, causing all kind of failures. - * Of course this means that people might see a different geometry now, - * so boot parameters may be necessary in some cases. - */ - -/* - * Configuration : - * To use without BIOS -DOVERRIDE=base_address -DCONTROLLER=FD or SEAGATE - * -DIRQ will override the default of 5. - * Note: You can now set these options from the kernel's "command line". - * The syntax is: - * - * st0x=ADDRESS,IRQ (for a Seagate controller) - * or: - * tmc8xx=ADDRESS,IRQ (for a TMC-8xx or TMC-950 controller) - * eg: - * tmc8xx=0xC8000,15 - * - * will configure the driver for a TMC-8xx style controller using IRQ 15 - * with a base address of 0xC8000. - * - * -DARBITRATE - * Will cause the host adapter to arbitrate for the - * bus for better SCSI-II compatibility, rather than just - * waiting for BUS FREE and then doing its thing. Should - * let us do one command per Lun when I integrate my - * reorganization changes into the distribution sources. - * - * -DDEBUG=65535 - * Will activate debug code. - * - * -DFAST or -DFAST32 - * Will use blind transfers where possible - * - * -DPARITY - * This will enable parity. - * - * -DSEAGATE_USE_ASM - * Will use older seagate assembly code. should be (very small amount) - * Faster. - * - * -DSLOW_RATE=50 - * Will allow compatibility with broken devices that don't - * handshake fast enough (ie, some CD ROM's) for the Seagate - * code. - * - * 50 is some number, It will let you specify a default - * transfer rate if handshaking isn't working correctly. - * - * -DOLDCNTDATASCEME There is a new sceme to set the CONTROL - * and DATA reigsters which complies more closely - * with the SCSI2 standard. This hopefully eliminates - * the need to swap the order these registers are - * 'messed' with. It makes the following two options - * obsolete. To reenable the old sceme define this. - * - * The following to options are patches from the SCSI.HOWTO - * - * -DSWAPSTAT This will swap the definitions for STAT_MSG and STAT_CD. - * - * -DSWAPCNTDATA This will swap the order that seagate.c messes with - * the CONTROL an DATA registers. - */ - -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/signal.h> -#include <linux/string.h> -#include <linux/proc_fs.h> -#include <linux/init.h> -#include <linux/blkdev.h> -#include <linux/stat.h> -#include <linux/delay.h> -#include <linux/io.h> - -#include <asm/system.h> -#include <asm/uaccess.h> - -#include <scsi/scsi_cmnd.h> -#include <scsi/scsi_device.h> -#include <scsi/scsi.h> - -#include <scsi/scsi_dbg.h> -#include <scsi/scsi_host.h> - - -#ifdef DEBUG -#define DPRINTK( when, msg... ) do { if ( (DEBUG & (when)) == (when) ) printk( msg ); } while (0) -#else -#define DPRINTK( when, msg... ) do { } while (0) -#define DEBUG 0 -#endif -#define DANY( msg... ) DPRINTK( 0xffff, msg ); - -#ifndef IRQ -#define IRQ 5 -#endif - -#ifdef FAST32 -#define FAST -#endif - -#undef LINKED /* Linked commands are currently broken! */ - -#if defined(OVERRIDE) && !defined(CONTROLLER) -#error Please use -DCONTROLLER=SEAGATE or -DCONTROLLER=FD to override controller type -#endif - -#ifndef __i386__ -#undef SEAGATE_USE_ASM -#endif - -/* - Thanks to Brian Antoine for the example code in his Messy-Loss ST-01 - driver, and Mitsugu Suzuki for information on the ST-01 - SCSI host. -*/ - -/* - CONTROL defines -*/ - -#define CMD_RST 0x01 -#define CMD_SEL 0x02 -#define CMD_BSY 0x04 -#define CMD_ATTN 0x08 -#define CMD_START_ARB 0x10 -#define CMD_EN_PARITY 0x20 -#define CMD_INTR 0x40 -#define CMD_DRVR_ENABLE 0x80 - -/* - STATUS -*/ -#ifdef SWAPSTAT -#define STAT_MSG 0x08 -#define STAT_CD 0x02 -#else -#define STAT_MSG 0x02 -#define STAT_CD 0x08 -#endif - -#define STAT_BSY 0x01 -#define STAT_IO 0x04 -#define STAT_REQ 0x10 -#define STAT_SEL 0x20 -#define STAT_PARITY 0x40 -#define STAT_ARB_CMPL 0x80 - -/* - REQUESTS -*/ - -#define REQ_MASK (STAT_CD | STAT_IO | STAT_MSG) -#define REQ_DATAOUT 0 -#define REQ_DATAIN STAT_IO -#define REQ_CMDOUT STAT_CD -#define REQ_STATIN (STAT_CD | STAT_IO) -#define REQ_MSGOUT (STAT_MSG | STAT_CD) -#define REQ_MSGIN (STAT_MSG | STAT_CD | STAT_IO) - -extern volatile int seagate_st0x_timeout; - -#ifdef PARITY -#define BASE_CMD CMD_EN_PARITY -#else -#define BASE_CMD 0 -#endif - -/* - Debugging code -*/ - -#define PHASE_BUS_FREE 1 -#define PHASE_ARBITRATION 2 -#define PHASE_SELECTION 4 -#define PHASE_DATAIN 8 -#define PHASE_DATAOUT 0x10 -#define PHASE_CMDOUT 0x20 -#define PHASE_MSGIN 0x40 -#define PHASE_MSGOUT 0x80 -#define PHASE_STATUSIN 0x100 -#define PHASE_ETC (PHASE_DATAIN | PHASE_DATAOUT | PHASE_CMDOUT | PHASE_MSGIN | PHASE_MSGOUT | PHASE_STATUSIN) -#define PRINT_COMMAND 0x200 -#define PHASE_EXIT 0x400 -#define PHASE_RESELECT 0x800 -#define DEBUG_FAST 0x1000 -#define DEBUG_SG 0x2000 -#define DEBUG_LINKED 0x4000 -#define DEBUG_BORKEN 0x8000 - -/* - * Control options - these are timeouts specified in .01 seconds. - */ - -/* 30, 20 work */ -#define ST0X_BUS_FREE_DELAY 25 -#define ST0X_SELECTION_DELAY 25 - -#define SEAGATE 1 /* these determine the type of the controller */ -#define FD 2 - -#define ST0X_ID_STR "Seagate ST-01/ST-02" -#define FD_ID_STR "TMC-8XX/TMC-950" - -static int internal_command (unsigned char target, unsigned char lun, - const void *cmnd, - void *buff, int bufflen, int reselect); - -static int incommand; /* set if arbitration has finished - and we are in some command phase. */ - -static unsigned int base_address = 0; /* Where the card ROM starts, used to - calculate memory mapped register - location. */ - -static void __iomem *st0x_cr_sr; /* control register write, status - register read. 256 bytes in - length. - Read is status of SCSI BUS, as per - STAT masks. */ - -static void __iomem *st0x_dr; /* data register, read write 256 - bytes in length. */ - -static volatile int st0x_aborted = 0; /* set when we are aborted, ie by a - time out, etc. */ - -static unsigned char controller_type = 0; /* set to SEAGATE for ST0x - boards or FD for TMC-8xx - boards */ -static int irq = IRQ; - -module_param(base_address, uint, 0); -module_param(controller_type, byte, 0); -module_param(irq, int, 0); -MODULE_LICENSE("GPL"); - - -#define retcode(result) (((result) << 16) | (message << 8) | status) -#define STATUS ((u8) readb(st0x_cr_sr)) -#define DATA ((u8) readb(st0x_dr)) -#define WRITE_CONTROL(d) { writeb((d), st0x_cr_sr); } -#define WRITE_DATA(d) { writeb((d), st0x_dr); } - -#ifndef OVERRIDE -static unsigned int seagate_bases[] = { - 0xc8000, 0xca000, 0xcc000, - 0xce000, 0xdc000, 0xde000 -}; - -typedef struct { - const unsigned char *signature; - unsigned offset; - unsigned length; - unsigned char type; -} Signature; - -static Signature __initdata signatures[] = { - {"ST01 v1.7 (C) Copyright 1987 Seagate", 15, 37, SEAGATE}, - {"SCSI BIOS 2.00 (C) Copyright 1987 Seagate", 15, 40, SEAGATE}, - -/* - * The following two lines are NOT mistakes. One detects ROM revision - * 3.0.0, the other 3.2. Since seagate has only one type of SCSI adapter, - * and this is not going to change, the "SEAGATE" and "SCSI" together - * are probably "good enough" - */ - - {"SEAGATE SCSI BIOS ", 16, 17, SEAGATE}, - {"SEAGATE SCSI BIOS ", 17, 17, SEAGATE}, - -/* - * However, future domain makes several incompatible SCSI boards, so specific - * signatures must be used. - */ - - {"FUTURE DOMAIN CORP. (C) 1986-1989 V5.0C2/14/89", 5, 46, FD}, - {"FUTURE DOMAIN CORP. (C) 1986-1989 V6.0A7/28/89", 5, 46, FD}, - {"FUTURE DOMAIN CORP. (C) 1986-1990 V6.0105/31/90", 5, 47, FD}, - {"FUTURE DOMAIN CORP. (C) 1986-1990 V6.0209/18/90", 5, 47, FD}, - {"FUTURE DOMAIN CORP. (C) 1986-1990 V7.009/18/90", 5, 46, FD}, - {"FUTURE DOMAIN CORP. (C) 1992 V8.00.004/02/92", 5, 44, FD}, - {"IBM F1 BIOS V1.1004/30/92", 5, 25, FD}, - {"FUTURE DOMAIN TMC-950", 5, 21, FD}, - /* Added for 2.2.16 by Matthias_Heidbrink@b.maus.de */ - {"IBM F1 V1.2009/22/93", 5, 25, FD}, -}; - -#define NUM_SIGNATURES ARRAY_SIZE(signatures) -#endif /* n OVERRIDE */ - -/* - * hostno stores the hostnumber, as told to us by the init routine. - */ - -static int hostno = -1; -static void seagate_reconnect_intr (int, void *); -static irqreturn_t do_seagate_reconnect_intr (int, void *); -static int seagate_st0x_bus_reset(struct scsi_cmnd *); - -#ifdef FAST -static int fast = 1; -#else -#define fast 0 -#endif - -#ifdef SLOW_RATE -/* - * Support for broken devices : - * The Seagate board has a handshaking problem. Namely, a lack - * thereof for slow devices. You can blast 600K/second through - * it if you are polling for each byte, more if you do a blind - * transfer. In the first case, with a fast device, REQ will - * transition high-low or high-low-high before your loop restarts - * and you'll have no problems. In the second case, the board - * will insert wait states for up to 13.2 usecs for REQ to - * transition low->high, and everything will work. - * - * However, there's nothing in the state machine that says - * you *HAVE* to see a high-low-high set of transitions before - * sending the next byte, and slow things like the Trantor CD ROMS - * will break because of this. - * - * So, we need to slow things down, which isn't as simple as it - * seems. We can't slow things down period, because then people - * who don't recompile their kernels will shoot me for ruining - * their performance. We need to do it on a case per case basis. - * - * The best for performance will be to, only for borken devices - * (this is stored on a per-target basis in the scsi_devices array) - * - * Wait for a low->high transition before continuing with that - * transfer. If we timeout, continue anyways. We don't need - * a long timeout, because REQ should only be asserted until the - * corresponding ACK is received and processed. - * - * Note that we can't use the system timer for this, because of - * resolution, and we *really* can't use the timer chip since - * gettimeofday() and the beeper routines use that. So, - * the best thing for us to do will be to calibrate a timing - * loop in the initialization code using the timer chip before - * gettimeofday() can screw with it. - * - * FIXME: this is broken (not borken :-). Empty loop costs less than - * loop with ISA access in it! -- pavel@ucw.cz - */ - -static int borken_calibration = 0; - -static void __init borken_init (void) -{ - register int count = 0, start = jiffies + 1, stop = start + 25; - - /* FIXME: There may be a better approach, this is a straight port for - now */ - preempt_disable(); - while (time_before (jiffies, start)) - cpu_relax(); - for (; time_before (jiffies, stop); ++count) - cpu_relax(); - preempt_enable(); - -/* - * Ok, we now have a count for .25 seconds. Convert to a - * count per second and divide by transfer rate in K. */ - - borken_calibration = (count * 4) / (SLOW_RATE * 1024); - - if (borken_calibration < 1) - borken_calibration = 1; -} - -static inline void borken_wait (void) -{ - register int count; - - for (count = borken_calibration; count && (STATUS & STAT_REQ); --count) - cpu_relax(); - -#if (DEBUG & DEBUG_BORKEN) - if (count) - printk ("scsi%d : borken timeout\n", hostno); -#endif -} - -#endif /* def SLOW_RATE */ - -/* These beasts only live on ISA, and ISA means 8MHz. Each ULOOP() - * contains at least one ISA access, which takes more than 0.125 - * usec. So if we loop 8 times time in usec, we are safe. - */ - -#define ULOOP( i ) for (clock = i*8;;) -#define TIMEOUT (!(clock--)) - -static int __init seagate_st0x_detect (struct scsi_host_template * tpnt) -{ - struct Scsi_Host *instance; - int i, j; - unsigned long cr, dr; - - tpnt->proc_name = "seagate"; -/* - * First, we try for the manual override. - */ - DANY ("Autodetecting ST0x / TMC-8xx\n"); - - if (hostno != -1) { - printk (KERN_ERR "seagate_st0x_detect() called twice?!\n"); - return 0; - } - -/* If the user specified the controller type from the command line, - controller_type will be non-zero, so don't try to detect one */ - - if (!controller_type) { -#ifdef OVERRIDE - base_address = OVERRIDE; - controller_type = CONTROLLER; - - DANY ("Base address overridden to %x, controller type is %s\n", - base_address, - controller_type == SEAGATE ? "SEAGATE" : "FD"); -#else /* OVERRIDE */ -/* - * To detect this card, we simply look for the signature - * from the BIOS version notice in all the possible locations - * of the ROM's. This has a nice side effect of not trashing - * any register locations that might be used by something else. - * - * XXX - note that we probably should be probing the address - * space for the on-board RAM instead. - */ - - for (i = 0; i < ARRAY_SIZE(seagate_bases); ++i) { - void __iomem *p = ioremap(seagate_bases[i], 0x2000); - if (!p) - continue; - for (j = 0; j < NUM_SIGNATURES; ++j) - if (check_signature(p + signatures[j].offset, signatures[j].signature, signatures[j].length)) { - base_address = seagate_bases[i]; - controller_type = signatures[j].type; - break; - } - iounmap(p); - } -#endif /* OVERRIDE */ - } - /* (! controller_type) */ - tpnt->this_id = (controller_type == SEAGATE) ? 7 : 6; - tpnt->name = (controller_type == SEAGATE) ? ST0X_ID_STR : FD_ID_STR; - - if (!base_address) { - printk(KERN_INFO "seagate: ST0x/TMC-8xx not detected.\n"); - return 0; - } - - cr = base_address + (controller_type == SEAGATE ? 0x1a00 : 0x1c00); - dr = cr + 0x200; - st0x_cr_sr = ioremap(cr, 0x100); - st0x_dr = ioremap(dr, 0x100); - - DANY("%s detected. Base address = %x, cr = %x, dr = %x\n", - tpnt->name, base_address, cr, dr); - - /* - * At all times, we will use IRQ 5. Should also check for IRQ3 - * if we lose our first interrupt. - */ - instance = scsi_register (tpnt, 0); - if (instance == NULL) - return 0; - - hostno = instance->host_no; - if (request_irq (irq, do_seagate_reconnect_intr, IRQF_DISABLED, (controller_type == SEAGATE) ? "seagate" : "tmc-8xx", instance)) { - printk(KERN_ERR "scsi%d : unable to allocate IRQ%d\n", hostno, irq); - return 0; - } - instance->irq = irq; - instance->io_port = base_address; -#ifdef SLOW_RATE - printk(KERN_INFO "Calibrating borken timer... "); - borken_init(); - printk(" %d cycles per transfer\n", borken_calibration); -#endif - printk (KERN_INFO "This is one second... "); - { - int clock; - ULOOP (1 * 1000 * 1000) { - STATUS; - if (TIMEOUT) - break; - } - } - - printk ("done, %s options:" -#ifdef ARBITRATE - " ARBITRATE" -#endif -#if DEBUG - " DEBUG" -#endif -#ifdef FAST - " FAST" -#ifdef FAST32 - "32" -#endif -#endif -#ifdef LINKED - " LINKED" -#endif -#ifdef PARITY - " PARITY" -#endif -#ifdef SEAGATE_USE_ASM - " SEAGATE_USE_ASM" -#endif -#ifdef SLOW_RATE - " SLOW_RATE" -#endif -#ifdef SWAPSTAT - " SWAPSTAT" -#endif -#ifdef SWAPCNTDATA - " SWAPCNTDATA" -#endif - "\n", tpnt->name); - return 1; -} - -static const char *seagate_st0x_info (struct Scsi_Host *shpnt) -{ - static char buffer[64]; - - snprintf(buffer, 64, "%s at irq %d, address 0x%05X", - (controller_type == SEAGATE) ? ST0X_ID_STR : FD_ID_STR, - irq, base_address); - return buffer; -} - -/* - * These are our saved pointers for the outstanding command that is - * waiting for a reconnect - */ - -static unsigned char current_target, current_lun; -static unsigned char *current_cmnd, *current_data; -static int current_nobuffs; -static struct scatterlist *current_buffer; -static int current_bufflen; - -#ifdef LINKED -/* - * linked_connected indicates whether or not we are currently connected to - * linked_target, linked_lun and in an INFORMATION TRANSFER phase, - * using linked commands. - */ - -static int linked_connected = 0; -static unsigned char linked_target, linked_lun; -#endif - -static void (*done_fn) (struct scsi_cmnd *) = NULL; -static struct scsi_cmnd *SCint = NULL; - -/* - * These control whether or not disconnect / reconnect will be attempted, - * or are being attempted. - */ - -#define NO_RECONNECT 0 -#define RECONNECT_NOW 1 -#define CAN_RECONNECT 2 - -/* - * LINKED_RIGHT indicates that we are currently connected to the correct target - * for this command, LINKED_WRONG indicates that we are connected to the wrong - * target. Note that these imply CAN_RECONNECT and require defined(LINKED). - */ - -#define LINKED_RIGHT 3 -#define LINKED_WRONG 4 - -/* - * This determines if we are expecting to reconnect or not. - */ - -static int should_reconnect = 0; - -/* - * The seagate_reconnect_intr routine is called when a target reselects the - * host adapter. This occurs on the interrupt triggered by the target - * asserting SEL. - */ - -static irqreturn_t do_seagate_reconnect_intr(int irq, void *dev_id) -{ - unsigned long flags; - struct Scsi_Host *dev = dev_id; - - spin_lock_irqsave (dev->host_lock, flags); - seagate_reconnect_intr (irq, dev_id); - spin_unlock_irqrestore (dev->host_lock, flags); - return IRQ_HANDLED; -} - -static void seagate_reconnect_intr (int irq, void *dev_id) -{ - int temp; - struct scsi_cmnd *SCtmp; - - DPRINTK (PHASE_RESELECT, "scsi%d : seagate_reconnect_intr() called\n", hostno); - - if (!should_reconnect) - printk(KERN_WARNING "scsi%d: unexpected interrupt.\n", hostno); - else { - should_reconnect = 0; - - DPRINTK (PHASE_RESELECT, "scsi%d : internal_command(%d, %08x, %08x, RECONNECT_NOW\n", - hostno, current_target, current_data, current_bufflen); - - temp = internal_command (current_target, current_lun, current_cmnd, current_data, current_bufflen, RECONNECT_NOW); - - if (msg_byte(temp) != DISCONNECT) { - if (done_fn) { - DPRINTK(PHASE_RESELECT, "scsi%d : done_fn(%d,%08x)", hostno, hostno, temp); - if (!SCint) - panic ("SCint == NULL in seagate"); - SCtmp = SCint; - SCint = NULL; - SCtmp->result = temp; - done_fn(SCtmp); - } else - printk(KERN_ERR "done_fn() not defined.\n"); - } - } -} - -/* - * The seagate_st0x_queue_command() function provides a queued interface - * to the seagate SCSI driver. Basically, it just passes control onto the - * seagate_command() function, after fixing it so that the done_fn() - * is set to the one passed to the function. We have to be very careful, - * because there are some commands on some devices that do not disconnect, - * and if we simply call the done_fn when the command is done then another - * command is started and queue_command is called again... We end up - * overflowing the kernel stack, and this tends not to be such a good idea. - */ - -static int recursion_depth = 0; - -static int seagate_st0x_queue_command(struct scsi_cmnd * SCpnt, - void (*done) (struct scsi_cmnd *)) -{ - int result, reconnect; - struct scsi_cmnd *SCtmp; - - DANY ("seagate: que_command"); - done_fn = done; - current_target = SCpnt->device->id; - current_lun = SCpnt->device->lun; - current_cmnd = SCpnt->cmnd; - current_data = (unsigned char *) SCpnt->request_buffer; - current_bufflen = SCpnt->request_bufflen; - SCint = SCpnt; - if (recursion_depth) - return 1; - recursion_depth++; - do { -#ifdef LINKED - /* - * Set linked command bit in control field of SCSI command. - */ - - current_cmnd[SCpnt->cmd_len] |= 0x01; - if (linked_connected) { - DPRINTK (DEBUG_LINKED, "scsi%d : using linked commands, current I_T_L nexus is ", hostno); - if (linked_target == current_target && linked_lun == current_lun) - { - DPRINTK(DEBUG_LINKED, "correct\n"); - reconnect = LINKED_RIGHT; - } else { - DPRINTK(DEBUG_LINKED, "incorrect\n"); - reconnect = LINKED_WRONG; - } - } else -#endif /* LINKED */ - reconnect = CAN_RECONNECT; - - result = internal_command(SCint->device->id, SCint->device->lun, SCint->cmnd, - SCint->request_buffer, SCint->request_bufflen, reconnect); - if (msg_byte(result) == DISCONNECT) - break; - SCtmp = SCint; - SCint = NULL; - SCtmp->result = result; - done_fn(SCtmp); - } - while (SCint); - recursion_depth--; - return 0; -} - -static int internal_command (unsigned char target, unsigned char lun, - const void *cmnd, void *buff, int bufflen, int reselect) -{ - unsigned char *data = NULL; - struct scatterlist *buffer = NULL; - int clock, temp, nobuffs = 0, done = 0, len = 0; -#if DEBUG - int transfered = 0, phase = 0, newphase; -#endif - register unsigned char status_read; - unsigned char tmp_data, tmp_control, status = 0, message = 0; - unsigned transfersize = 0, underflow = 0; -#ifdef SLOW_RATE - int borken = (int) SCint->device->borken; /* Does the current target require - Very Slow I/O ? */ -#endif - - incommand = 0; - st0x_aborted = 0; - -#if (DEBUG & PRINT_COMMAND) - printk("scsi%d : target = %d, command = ", hostno, target); - __scsi_print_command((unsigned char *) cmnd); -#endif - -#if (DEBUG & PHASE_RESELECT) - switch (reselect) { - case RECONNECT_NOW: - printk("scsi%d : reconnecting\n", hostno); - break; -#ifdef LINKED - case LINKED_RIGHT: - printk("scsi%d : connected, can reconnect\n", hostno); - break; - case LINKED_WRONG: - printk("scsi%d : connected to wrong target, can reconnect\n", - hostno); - break; -#endif - case CAN_RECONNECT: - printk("scsi%d : allowed to reconnect\n", hostno); - break; - default: - printk("scsi%d : not allowed to reconnect\n", hostno); - } -#endif - - if (target == (controller_type == SEAGATE ? 7 : 6)) - return DID_BAD_TARGET; - - /* - * We work it differently depending on if this is is "the first time," - * or a reconnect. If this is a reselect phase, then SEL will - * be asserted, and we must skip selection / arbitration phases. - */ - - switch (reselect) { - case RECONNECT_NOW: - DPRINTK (PHASE_RESELECT, "scsi%d : phase RESELECT \n", hostno); - /* - * At this point, we should find the logical or of our ID - * and the original target's ID on the BUS, with BSY, SEL, - * and I/O signals asserted. - * - * After ARBITRATION phase is completed, only SEL, BSY, - * and the target ID are asserted. A valid initiator ID - * is not on the bus until IO is asserted, so we must wait - * for that. - */ - ULOOP (100 * 1000) { - temp = STATUS; - if ((temp & STAT_IO) && !(temp & STAT_BSY)) - break; - if (TIMEOUT) { - DPRINTK (PHASE_RESELECT, "scsi%d : RESELECT timed out while waiting for IO .\n", hostno); - return (DID_BAD_INTR << 16); - } - } - - /* - * After I/O is asserted by the target, we can read our ID - * and its ID off of the BUS. - */ - - if (!((temp = DATA) & (controller_type == SEAGATE ? 0x80 : 0x40))) { - DPRINTK (PHASE_RESELECT, "scsi%d : detected reconnect request to different target.\n\tData bus = %d\n", hostno, temp); - return (DID_BAD_INTR << 16); - } - - if (!(temp & (1 << current_target))) { - printk(KERN_WARNING "scsi%d : Unexpected reselect interrupt. Data bus = %d\n", hostno, temp); - return (DID_BAD_INTR << 16); - } - - buffer = current_buffer; - cmnd = current_cmnd; /* WDE add */ - data = current_data; /* WDE add */ - len = current_bufflen; /* WDE add */ - nobuffs = current_nobuffs; - - /* - * We have determined that we have been selected. At this - * point, we must respond to the reselection by asserting - * BSY ourselves - */ - -#if 1 - WRITE_CONTROL (BASE_CMD | CMD_DRVR_ENABLE | CMD_BSY); -#else - WRITE_CONTROL (BASE_CMD | CMD_BSY); -#endif - - /* - * The target will drop SEL, and raise BSY, at which time - * we must drop BSY. - */ - - ULOOP (100 * 1000) { - if (!(STATUS & STAT_SEL)) - break; - if (TIMEOUT) { - WRITE_CONTROL (BASE_CMD | CMD_INTR); - DPRINTK (PHASE_RESELECT, "scsi%d : RESELECT timed out while waiting for SEL.\n", hostno); - return (DID_BAD_INTR << 16); - } - } - WRITE_CONTROL (BASE_CMD); - /* - * At this point, we have connected with the target - * and can get on with our lives. - */ - break; - case CAN_RECONNECT: -#ifdef LINKED - /* - * This is a bletcherous hack, just as bad as the Unix #! - * interpreter stuff. If it turns out we are using the wrong - * I_T_L nexus, the easiest way to deal with it is to go into - * our INFORMATION TRANSFER PHASE code, send a ABORT - * message on MESSAGE OUT phase, and then loop back to here. - */ -connect_loop: -#endif - DPRINTK (PHASE_BUS_FREE, "scsi%d : phase = BUS FREE \n", hostno); - - /* - * BUS FREE PHASE - * - * On entry, we make sure that the BUS is in a BUS FREE - * phase, by insuring that both BSY and SEL are low for - * at least one bus settle delay. Several reads help - * eliminate wire glitch. - */ - -#ifndef ARBITRATE -#error FIXME: this is broken: we may not use jiffies here - we are under cli(). It will hardlock. - clock = jiffies + ST0X_BUS_FREE_DELAY; - - while (((STATUS | STATUS | STATUS) & (STAT_BSY | STAT_SEL)) && (!st0x_aborted) && time_before (jiffies, clock)) - cpu_relax(); - - if (time_after (jiffies, clock)) - return retcode (DID_BUS_BUSY); - else if (st0x_aborted) - return retcode (st0x_aborted); -#endif - DPRINTK (PHASE_SELECTION, "scsi%d : phase = SELECTION\n", hostno); - - clock = jiffies + ST0X_SELECTION_DELAY; - - /* - * Arbitration/selection procedure : - * 1. Disable drivers - * 2. Write HOST adapter address bit - * 3. Set start arbitration. - * 4. We get either ARBITRATION COMPLETE or SELECT at this - * point. - * 5. OR our ID and targets on bus. - * 6. Enable SCSI drivers and asserted SEL and ATTN - */ - -#ifdef ARBITRATE - /* FIXME: verify host lock is always held here */ - WRITE_CONTROL(0); - WRITE_DATA((controller_type == SEAGATE) ? 0x80 : 0x40); - WRITE_CONTROL(CMD_START_ARB); - - ULOOP (ST0X_SELECTION_DELAY * 10000) { - status_read = STATUS; - if (status_read & STAT_ARB_CMPL) - break; - if (st0x_aborted) /* FIXME: What? We are going to do something even after abort? */ - break; - if (TIMEOUT || (status_read & STAT_SEL)) { - printk(KERN_WARNING "scsi%d : arbitration lost or timeout.\n", hostno); - WRITE_CONTROL (BASE_CMD); - return retcode (DID_NO_CONNECT); - } - } - DPRINTK (PHASE_SELECTION, "scsi%d : arbitration complete\n", hostno); -#endif - - /* - * When the SCSI device decides that we're gawking at it, - * it will respond by asserting BUSY on the bus. - * - * Note : the Seagate ST-01/02 product manual says that we - * should twiddle the DATA register before the control - * register. However, this does not work reliably so we do - * it the other way around. - * - * Probably could be a problem with arbitration too, we - * really should try this with a SCSI protocol or logic - * analyzer to see what is going on. - */ - tmp_data = (unsigned char) ((1 << target) | (controller_type == SEAGATE ? 0x80 : 0x40)); - tmp_control = BASE_CMD | CMD_DRVR_ENABLE | CMD_SEL | (reselect ? CMD_ATTN : 0); - - /* FIXME: verify host lock is always held here */ -#ifdef OLDCNTDATASCEME -#ifdef SWAPCNTDATA - WRITE_CONTROL (tmp_control); - WRITE_DATA (tmp_data); -#else - WRITE_DATA (tmp_data); - WRITE_CONTROL (tmp_control); -#endif -#else - tmp_control ^= CMD_BSY; /* This is guesswork. What used to be in driver */ - WRITE_CONTROL (tmp_control); /* could never work: it sent data into control */ - WRITE_DATA (tmp_data); /* register and control info into data. Hopefully */ - tmp_control ^= CMD_BSY; /* fixed, but order of first two may be wrong. */ - WRITE_CONTROL (tmp_control); /* -- pavel@ucw.cz */ -#endif - - ULOOP (250 * 1000) { - if (st0x_aborted) { - /* - * If we have been aborted, and we have a - * command in progress, IE the target - * still has BSY asserted, then we will - * reset the bus, and notify the midlevel - * driver to expect sense. - */ - - WRITE_CONTROL (BASE_CMD); - if (STATUS & STAT_BSY) { - printk(KERN_WARNING "scsi%d : BST asserted after we've been aborted.\n", hostno); - seagate_st0x_bus_reset(NULL); - return retcode (DID_RESET); - } - return retcode (st0x_aborted); - } - if (STATUS & STAT_BSY) - break; - if (TIMEOUT) { - DPRINTK (PHASE_SELECTION, "scsi%d : NO CONNECT with target %d, stat = %x \n", hostno, target, STATUS); - return retcode (DID_NO_CONNECT); - } - } - - /* Establish current pointers. Take into account scatter / gather */ - - if ((nobuffs = SCint->use_sg)) { -#if (DEBUG & DEBUG_SG) - { - int i; - printk("scsi%d : scatter gather requested, using %d buffers.\n", hostno, nobuffs); - for (i = 0; i < nobuffs; ++i) - printk("scsi%d : buffer %d address = %p length = %d\n", - hostno, i, - sg_virt(&buffer[i]), - buffer[i].length); - } -#endif - - buffer = (struct scatterlist *) SCint->request_buffer; - len = buffer->length; - data = sg_virt(buffer); - } else { - DPRINTK (DEBUG_SG, "scsi%d : scatter gather not requested.\n", hostno); - buffer = NULL; - len = SCint->request_bufflen; - data = (unsigned char *) SCint->request_buffer; - } - - DPRINTK (PHASE_DATAIN | PHASE_DATAOUT, "scsi%d : len = %d\n", - hostno, len); - - break; -#ifdef LINKED - case LINKED_RIGHT: - break; - case LINKED_WRONG: - break; -#endif - } /* end of switch(reselect) */ - - /* - * There are several conditions under which we wish to send a message : - * 1. When we are allowing disconnect / reconnect, and need to - * establish the I_T_L nexus via an IDENTIFY with the DiscPriv bit - * set. - * - * 2. When we are doing linked commands, are have the wrong I_T_L - * nexus established and want to send an ABORT message. - */ - - /* GCC does not like an ifdef inside a macro, so do it the hard way. */ -#ifdef LINKED - WRITE_CONTROL (BASE_CMD | CMD_DRVR_ENABLE | (((reselect == CAN_RECONNECT)|| (reselect == LINKED_WRONG))? CMD_ATTN : 0)); -#else - WRITE_CONTROL (BASE_CMD | CMD_DRVR_ENABLE | (((reselect == CAN_RECONNECT))? CMD_ATTN : 0)); -#endif - - /* - * INFORMATION TRANSFER PHASE - * - * The nasty looking read / write inline assembler loops we use for - * DATAIN and DATAOUT phases are approximately 4-5 times as fast as - * the 'C' versions - since we're moving 1024 bytes of data, this - * really adds up. - * - * SJT: The nasty-looking assembler is gone, so it's slower. - * - */ - - DPRINTK (PHASE_ETC, "scsi%d : phase = INFORMATION TRANSFER\n", hostno); - - incommand = 1; - transfersize = SCint->transfersize; - underflow = SCint->underflow; - - /* - * Now, we poll the device for status information, - * and handle any requests it makes. Note that since we are unsure - * of how much data will be flowing across the system, etc and - * cannot make reasonable timeouts, that we will instead have the - * midlevel driver handle any timeouts that occur in this phase. - */ - - while (((status_read = STATUS) & STAT_BSY) && !st0x_aborted && !done) { -#ifdef PARITY - if (status_read & STAT_PARITY) { - printk(KERN_ERR "scsi%d : got parity error\n", hostno); - st0x_aborted = DID_PARITY; - } -#endif - if (status_read & STAT_REQ) { -#if ((DEBUG & PHASE_ETC) == PHASE_ETC) - if ((newphase = (status_read & REQ_MASK)) != phase) { - phase = newphase; - switch (phase) { - case REQ_DATAOUT: - printk ("scsi%d : phase = DATA OUT\n", hostno); - break; - case REQ_DATAIN: - printk ("scsi%d : phase = DATA IN\n", hostno); - break; - case REQ_CMDOUT: - printk - ("scsi%d : phase = COMMAND OUT\n", hostno); - break; - case REQ_STATIN: - printk ("scsi%d : phase = STATUS IN\n", hostno); - break; - case REQ_MSGOUT: - printk - ("scsi%d : phase = MESSAGE OUT\n", hostno); - break; - case REQ_MSGIN: - printk ("scsi%d : phase = MESSAGE IN\n", hostno); - break; - default: - printk ("scsi%d : phase = UNKNOWN\n", hostno); - st0x_aborted = DID_ERROR; - } - } -#endif - switch (status_read & REQ_MASK) { - case REQ_DATAOUT: - /* - * If we are in fast mode, then we simply splat - * the data out in word-sized chunks as fast as - * we can. - */ - - if (!len) { -#if 0 - printk("scsi%d: underflow to target %d lun %d \n", hostno, target, lun); - st0x_aborted = DID_ERROR; - fast = 0; -#endif - break; - } - - if (fast && transfersize - && !(len % transfersize) - && (len >= transfersize) -#ifdef FAST32 - && !(transfersize % 4) -#endif - ) { - DPRINTK (DEBUG_FAST, - "scsi%d : FAST transfer, underflow = %d, transfersize = %d\n" - " len = %d, data = %08x\n", - hostno, SCint->underflow, - SCint->transfersize, len, - data); - - /* SJT: Start. Fast Write */ -#ifdef SEAGATE_USE_ASM - __asm__ ("cld\n\t" -#ifdef FAST32 - "shr $2, %%ecx\n\t" - "1:\t" - "lodsl\n\t" - "movl %%eax, (%%edi)\n\t" -#else - "1:\t" - "lodsb\n\t" - "movb %%al, (%%edi)\n\t" -#endif - "loop 1b;" - /* output */ : - /* input */ :"D" (st0x_dr), - "S" - (data), - "c" (SCint->transfersize) -/* clobbered */ - : "eax", "ecx", - "esi"); -#else /* SEAGATE_USE_ASM */ - memcpy_toio(st0x_dr, data, transfersize); -#endif /* SEAGATE_USE_ASM */ -/* SJT: End */ - len -= transfersize; - data += transfersize; - DPRINTK (DEBUG_FAST, "scsi%d : FAST transfer complete len = %d data = %08x\n", hostno, len, data); - } else { - /* - * We loop as long as we are in a - * data out phase, there is data to - * send, and BSY is still active. - */ - -/* SJT: Start. Slow Write. */ -#ifdef SEAGATE_USE_ASM - - int __dummy_1, __dummy_2; - -/* - * We loop as long as we are in a data out phase, there is data to send, - * and BSY is still active. - */ -/* Local variables : len = ecx , data = esi, - st0x_cr_sr = ebx, st0x_dr = edi -*/ - __asm__ ( - /* Test for any data here at all. */ - "orl %%ecx, %%ecx\n\t" - "jz 2f\n\t" "cld\n\t" -/* "movl st0x_cr_sr, %%ebx\n\t" */ -/* "movl st0x_dr, %%edi\n\t" */ - "1:\t" - "movb (%%ebx), %%al\n\t" - /* Test for BSY */ - "test $1, %%al\n\t" - "jz 2f\n\t" - /* Test for data out phase - STATUS & REQ_MASK should be - REQ_DATAOUT, which is 0. */ - "test $0xe, %%al\n\t" - "jnz 2f\n\t" - /* Test for REQ */ - "test $0x10, %%al\n\t" - "jz 1b\n\t" - "lodsb\n\t" - "movb %%al, (%%edi)\n\t" - "loop 1b\n\t" "2:\n" - /* output */ :"=S" (data), "=c" (len), - "=b" - (__dummy_1), - "=D" (__dummy_2) -/* input */ - : "0" (data), "1" (len), - "2" (st0x_cr_sr), - "3" (st0x_dr) -/* clobbered */ - : "eax"); -#else /* SEAGATE_USE_ASM */ - while (len) { - unsigned char stat; - - stat = STATUS; - if (!(stat & STAT_BSY) - || ((stat & REQ_MASK) != - REQ_DATAOUT)) - break; - if (stat & STAT_REQ) { - WRITE_DATA (*data++); - --len; - } - } -#endif /* SEAGATE_USE_ASM */ -/* SJT: End. */ - } - - if (!len && nobuffs) { - --nobuffs; - ++buffer; - len = buffer->length; - data = sg_virt(buffer); - DPRINTK (DEBUG_SG, - "scsi%d : next scatter-gather buffer len = %d address = %08x\n", - hostno, len, data); - } - break; - - case REQ_DATAIN: -#ifdef SLOW_RATE - if (borken) { -#if (DEBUG & (PHASE_DATAIN)) - transfered += len; -#endif - for (; len && (STATUS & (REQ_MASK | STAT_REQ)) == (REQ_DATAIN | STAT_REQ); --len) { - *data++ = DATA; - borken_wait(); - } -#if (DEBUG & (PHASE_DATAIN)) - transfered -= len; -#endif - } else -#endif - - if (fast && transfersize - && !(len % transfersize) - && (len >= transfersize) -#ifdef FAST32 - && !(transfersize % 4) -#endif - ) { - DPRINTK (DEBUG_FAST, - "scsi%d : FAST transfer, underflow = %d, transfersize = %d\n" - " len = %d, data = %08x\n", - hostno, SCint->underflow, - SCint->transfersize, len, - data); - -/* SJT: Start. Fast Read */ -#ifdef SEAGATE_USE_ASM - __asm__ ("cld\n\t" -#ifdef FAST32 - "shr $2, %%ecx\n\t" - "1:\t" - "movl (%%esi), %%eax\n\t" - "stosl\n\t" -#else - "1:\t" - "movb (%%esi), %%al\n\t" - "stosb\n\t" -#endif - "loop 1b\n\t" - /* output */ : - /* input */ :"S" (st0x_dr), - "D" - (data), - "c" (SCint->transfersize) -/* clobbered */ - : "eax", "ecx", - "edi"); -#else /* SEAGATE_USE_ASM */ - memcpy_fromio(data, st0x_dr, len); -#endif /* SEAGATE_USE_ASM */ -/* SJT: End */ - len -= transfersize; - data += transfersize; -#if (DEBUG & PHASE_DATAIN) - printk ("scsi%d: transfered += %d\n", hostno, transfersize); - transfered += transfersize; -#endif - - DPRINTK (DEBUG_FAST, "scsi%d : FAST transfer complete len = %d data = %08x\n", hostno, len, data); - } else { - -#if (DEBUG & PHASE_DATAIN) - printk ("scsi%d: transfered += %d\n", hostno, len); - transfered += len; /* Assume we'll transfer it all, then - subtract what we *didn't* transfer */ -#endif - -/* - * We loop as long as we are in a data in phase, there is room to read, - * and BSY is still active - */ - -/* SJT: Start. */ -#ifdef SEAGATE_USE_ASM - - int __dummy_3, __dummy_4; - -/* Dummy clobbering variables for the new gcc-2.95 */ - -/* - * We loop as long as we are in a data in phase, there is room to read, - * and BSY is still active - */ - /* Local variables : ecx = len, edi = data - esi = st0x_cr_sr, ebx = st0x_dr */ - __asm__ ( - /* Test for room to read */ - "orl %%ecx, %%ecx\n\t" - "jz 2f\n\t" "cld\n\t" -/* "movl st0x_cr_sr, %%esi\n\t" */ -/* "movl st0x_dr, %%ebx\n\t" */ - "1:\t" - "movb (%%esi), %%al\n\t" - /* Test for BSY */ - "test $1, %%al\n\t" - "jz 2f\n\t" - /* Test for data in phase - STATUS & REQ_MASK should be REQ_DATAIN, - = STAT_IO, which is 4. */ - "movb $0xe, %%ah\n\t" - "andb %%al, %%ah\n\t" - "cmpb $0x04, %%ah\n\t" - "jne 2f\n\t" - /* Test for REQ */ - "test $0x10, %%al\n\t" - "jz 1b\n\t" - "movb (%%ebx), %%al\n\t" - "stosb\n\t" - "loop 1b\n\t" "2:\n" - /* output */ :"=D" (data), "=c" (len), - "=S" - (__dummy_3), - "=b" (__dummy_4) -/* input */ - : "0" (data), "1" (len), - "2" (st0x_cr_sr), - "3" (st0x_dr) -/* clobbered */ - : "eax"); -#else /* SEAGATE_USE_ASM */ - while (len) { - unsigned char stat; - - stat = STATUS; - if (!(stat & STAT_BSY) - || ((stat & REQ_MASK) != - REQ_DATAIN)) - break; - if (stat & STAT_REQ) { - *data++ = DATA; - --len; - } - } -#endif /* SEAGATE_USE_ASM */ -/* SJT: End. */ -#if (DEBUG & PHASE_DATAIN) - printk ("scsi%d: transfered -= %d\n", hostno, len); - transfered -= len; /* Since we assumed all of Len got * - transfered, correct our mistake */ -#endif - } - - if (!len && nobuffs) { - --nobuffs; - ++buffer; - len = buffer->length; - data = sg_virt(buffer); - DPRINTK (DEBUG_SG, "scsi%d : next scatter-gather buffer len = %d address = %08x\n", hostno, len, data); - } - break; - - case REQ_CMDOUT: - while (((status_read = STATUS) & STAT_BSY) && - ((status_read & REQ_MASK) == REQ_CMDOUT)) - if (status_read & STAT_REQ) { - WRITE_DATA (*(const unsigned char *) cmnd); - cmnd = 1 + (const unsigned char *)cmnd; -#ifdef SLOW_RATE - if (borken) - borken_wait (); -#endif - } - break; - - case REQ_STATIN: - status = DATA; - break; - - case REQ_MSGOUT: - /* - * We can only have sent a MSG OUT if we - * requested to do this by raising ATTN. - * So, we must drop ATTN. - */ - WRITE_CONTROL (BASE_CMD | CMD_DRVR_ENABLE); - /* - * If we are reconnecting, then we must - * send an IDENTIFY message in response - * to MSGOUT. - */ - switch (reselect) { - case CAN_RECONNECT: - WRITE_DATA (IDENTIFY (1, lun)); - DPRINTK (PHASE_RESELECT | PHASE_MSGOUT, "scsi%d : sent IDENTIFY message.\n", hostno); - break; -#ifdef LINKED - case LINKED_WRONG: - WRITE_DATA (ABORT); - linked_connected = 0; - reselect = CAN_RECONNECT; - goto connect_loop; - DPRINTK (PHASE_MSGOUT | DEBUG_LINKED, "scsi%d : sent ABORT message to cancel incorrect I_T_L nexus.\n", hostno); -#endif /* LINKED */ - DPRINTK (DEBUG_LINKED, "correct\n"); - default: - WRITE_DATA (NOP); - printk("scsi%d : target %d requested MSGOUT, sent NOP message.\n", hostno, target); - } - break; - - case REQ_MSGIN: - switch (message = DATA) { - case DISCONNECT: - DANY("seagate: deciding to disconnect\n"); - should_reconnect = 1; - current_data = data; /* WDE add */ - current_buffer = buffer; - current_bufflen = len; /* WDE add */ - current_nobuffs = nobuffs; -#ifdef LINKED - linked_connected = 0; -#endif - done = 1; - DPRINTK ((PHASE_RESELECT | PHASE_MSGIN), "scsi%d : disconnected.\n", hostno); - break; - -#ifdef LINKED - case LINKED_CMD_COMPLETE: - case LINKED_FLG_CMD_COMPLETE: -#endif - case COMMAND_COMPLETE: - /* - * Note : we should check for underflow here. - */ - DPRINTK(PHASE_MSGIN, "scsi%d : command complete.\n", hostno); - done = 1; - break; - case ABORT: - DPRINTK(PHASE_MSGIN, "scsi%d : abort message.\n", hostno); - done = 1; - break; - case SAVE_POINTERS: - current_buffer = buffer; - current_bufflen = len; /* WDE add */ - current_data = data; /* WDE mod */ - current_nobuffs = nobuffs; - DPRINTK (PHASE_MSGIN, "scsi%d : pointers saved.\n", hostno); - break; - case RESTORE_POINTERS: - buffer = current_buffer; - cmnd = current_cmnd; - data = current_data; /* WDE mod */ - len = current_bufflen; - nobuffs = current_nobuffs; - DPRINTK(PHASE_MSGIN, "scsi%d : pointers restored.\n", hostno); - break; - default: - - /* - * IDENTIFY distinguishes itself - * from the other messages by - * setting the high bit. - * - * Note : we need to handle at - * least one outstanding command - * per LUN, and need to hash the - * SCSI command for that I_T_L - * nexus based on the known ID - * (at this point) and LUN. - */ - - if (message & 0x80) { - DPRINTK (PHASE_MSGIN, "scsi%d : IDENTIFY message received from id %d, lun %d.\n", hostno, target, message & 7); - } else { - /* - * We should go into a - * MESSAGE OUT phase, and - * send a MESSAGE_REJECT - * if we run into a message - * that we don't like. The - * seagate driver needs - * some serious - * restructuring first - * though. - */ - DPRINTK (PHASE_MSGIN, "scsi%d : unknown message %d from target %d.\n", hostno, message, target); - } - } - break; - default: - printk(KERN_ERR "scsi%d : unknown phase.\n", hostno); - st0x_aborted = DID_ERROR; - } /* end of switch (status_read & REQ_MASK) */ -#ifdef SLOW_RATE - /* - * I really don't care to deal with borken devices in - * each single byte transfer case (ie, message in, - * message out, status), so I'll do the wait here if - * necessary. - */ - if(borken) - borken_wait(); -#endif - - } /* if(status_read & STAT_REQ) ends */ - } /* while(((status_read = STATUS)...) ends */ - - DPRINTK(PHASE_DATAIN | PHASE_DATAOUT | PHASE_EXIT, "scsi%d : Transfered %d bytes\n", hostno, transfered); - -#if (DEBUG & PHASE_EXIT) -#if 0 /* Doesn't work for scatter/gather */ - printk("Buffer : \n"); - for(i = 0; i < 20; ++i) - printk("%02x ", ((unsigned char *) data)[i]); /* WDE mod */ - printk("\n"); -#endif - printk("scsi%d : status = ", hostno); - scsi_print_status(status); - printk(" message = %02x\n", message); -#endif - - /* We shouldn't reach this until *after* BSY has been deasserted */ - -#ifdef LINKED - else - { - /* - * Fix the message byte so that unsuspecting high level drivers - * don't puke when they see a LINKED COMMAND message in place of - * the COMMAND COMPLETE they may be expecting. Shouldn't be - * necessary, but it's better to be on the safe side. - * - * A non LINKED* message byte will indicate that the command - * completed, and we are now disconnected. - */ - - switch (message) { - case LINKED_CMD_COMPLETE: - case LINKED_FLG_CMD_COMPLETE: - message = COMMAND_COMPLETE; - linked_target = current_target; - linked_lun = current_lun; - linked_connected = 1; - DPRINTK (DEBUG_LINKED, "scsi%d : keeping I_T_L nexus established for linked command.\n", hostno); - /* We also will need to adjust status to accommodate intermediate - conditions. */ - if ((status == INTERMEDIATE_GOOD) || (status == INTERMEDIATE_C_GOOD)) - status = GOOD; - break; - /* - * We should also handle what are "normal" termination - * messages here (ABORT, BUS_DEVICE_RESET?, and - * COMMAND_COMPLETE individually, and flake if things - * aren't right. - */ - default: - DPRINTK (DEBUG_LINKED, "scsi%d : closing I_T_L nexus.\n", hostno); - linked_connected = 0; - } - } -#endif /* LINKED */ - - if (should_reconnect) { - DPRINTK (PHASE_RESELECT, "scsi%d : exiting seagate_st0x_queue_command() with reconnect enabled.\n", hostno); - WRITE_CONTROL (BASE_CMD | CMD_INTR); - } else - WRITE_CONTROL (BASE_CMD); - - return retcode (st0x_aborted); -} /* end of internal_command */ - -static int seagate_st0x_abort(struct scsi_cmnd * SCpnt) -{ - st0x_aborted = DID_ABORT; - return SUCCESS; -} - -#undef ULOOP -#undef TIMEOUT - -/* - * the seagate_st0x_reset function resets the SCSI bus - * - * May be called with SCpnt = NULL - */ - -static int seagate_st0x_bus_reset(struct scsi_cmnd * SCpnt) -{ - /* No timeouts - this command is going to fail because it was reset. */ - DANY ("scsi%d: Reseting bus... ", hostno); - - /* assert RESET signal on SCSI bus. */ - WRITE_CONTROL (BASE_CMD | CMD_RST); - - mdelay (20); - - WRITE_CONTROL (BASE_CMD); - st0x_aborted = DID_RESET; - - DANY ("done.\n"); - return SUCCESS; -} - -static int seagate_st0x_release(struct Scsi_Host *shost) -{ - if (shost->irq) - free_irq(shost->irq, shost); - release_region(shost->io_port, shost->n_io_port); - return 0; -} - -static struct scsi_host_template driver_template = { - .detect = seagate_st0x_detect, - .release = seagate_st0x_release, - .info = seagate_st0x_info, - .queuecommand = seagate_st0x_queue_command, - .eh_abort_handler = seagate_st0x_abort, - .eh_bus_reset_handler = seagate_st0x_bus_reset, - .can_queue = 1, - .this_id = 7, - .sg_tablesize = SG_ALL, - .cmd_per_lun = 1, - .use_clustering = DISABLE_CLUSTERING, -}; -#include "scsi_module.c" diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index f1871ea04045..17216b76efdc 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -602,8 +602,9 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) * but is is possible that the app intended SG_DXFER_TO_DEV, because there * is a non-zero input_size, so emit a warning. */ - if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) - if (printk_ratelimit()) + if (hp->dxfer_direction == SG_DXFER_TO_FROM_DEV) { + static char cmd[TASK_COMM_LEN]; + if (strcmp(current->comm, cmd) && printk_ratelimit()) { printk(KERN_WARNING "sg_write: data in/out %d/%d bytes for SCSI command 0x%x--" "guessing data in;\n" KERN_WARNING " " @@ -611,6 +612,9 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos) old_hdr.reply_len - (int)SZ_SG_HEADER, input_size, (unsigned int) cmnd[0], current->comm); + strcpy(cmd, current->comm); + } + } k = sg_common_write(sfp, srp, cmnd, sfp->timeout, blocking); return (k < 0) ? k : count; } @@ -1418,7 +1422,6 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf) goto out; } - class_set_devdata(cl_dev, sdp); error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, sdp->index), 1); if (error) goto cdev_add_err; @@ -1431,11 +1434,14 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf) MKDEV(SCSI_GENERIC_MAJOR, sdp->index), cl_dev->dev, "%s", disk->disk_name); - if (IS_ERR(sg_class_member)) - printk(KERN_WARNING "sg_add: " - "class_device_create failed\n"); + if (IS_ERR(sg_class_member)) { + printk(KERN_ERR "sg_add: " + "class_device_create failed\n"); + error = PTR_ERR(sg_class_member); + goto cdev_add_err; + } class_set_devdata(sg_class_member, sdp); - error = sysfs_create_link(&scsidp->sdev_gendev.kobj, + error = sysfs_create_link(&scsidp->sdev_gendev.kobj, &sg_class_member->kobj, "generic"); if (error) printk(KERN_ERR "sg_add: unable to make symlink " @@ -1447,6 +1453,8 @@ sg_add(struct class_device *cl_dev, struct class_interface *cl_intf) "Attached scsi generic sg%d type %d\n", sdp->index, scsidp->type); + class_set_devdata(cl_dev, sdp); + return 0; cdev_add_err: @@ -2521,7 +2529,7 @@ sg_idr_max_id(int id, void *p, void *data) static int sg_last_dev(void) { - int k = 0; + int k = -1; unsigned long iflags; read_lock_irqsave(&sg_index_lock, iflags); diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index eef82758d047..d4ebe8c67ba9 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -159,6 +159,7 @@ void sgiwd93_reset(unsigned long base) udelay(50); hregs->ctrl = 0; } +EXPORT_SYMBOL_GPL(sgiwd93_reset); static inline void init_hpc_chain(struct hpc_data *hd) { diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index c61999031141..1fcee16fa36d 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -67,8 +67,6 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_WORM); #define SR_DISKS 256 -#define MAX_RETRIES 3 -#define SR_TIMEOUT (30 * HZ) #define SR_CAPABILITIES \ (CDC_CLOSE_TRAY|CDC_OPEN_TRAY|CDC_LOCK|CDC_SELECT_SPEED| \ CDC_SELECT_DISC|CDC_MULTI_SESSION|CDC_MCN|CDC_MEDIA_CHANGED| \ @@ -179,21 +177,28 @@ static int sr_media_change(struct cdrom_device_info *cdi, int slot) { struct scsi_cd *cd = cdi->handle; int retval; + struct scsi_sense_hdr *sshdr; if (CDSL_CURRENT != slot) { /* no changer support */ return -EINVAL; } - retval = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES); - if (retval) { - /* Unable to test, unit probably not ready. This usually - * means there is no disc in the drive. Mark as changed, - * and we will figure it out later once the drive is - * available again. */ + sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL); + retval = scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, + sshdr); + if (retval || (scsi_sense_valid(sshdr) && + /* 0x3a is medium not present */ + sshdr->asc == 0x3a)) { + /* Media not present or unable to test, unit probably not + * ready. This usually means there is no disc in the drive. + * Mark as changed, and we will figure it out later once + * the drive is available again. + */ cd->device->changed = 1; - return 1; /* This will force a flush, if called from - * check_disk_change */ + /* This will force a flush, if called from check_disk_change */ + retval = 1; + goto out; }; retval = cd->device->changed; @@ -203,9 +208,17 @@ static int sr_media_change(struct cdrom_device_info *cdi, int slot) if (retval) { /* check multisession offset etc */ sr_cd_check(cdi); - get_sectorsize(cd); } + +out: + /* Notify userspace, that media has changed. */ + if (retval != cd->previous_state) + sdev_evt_send_simple(cd->device, SDEV_EVT_MEDIA_CHANGE, + GFP_KERNEL); + cd->previous_state = retval; + kfree(sshdr); + return retval; } diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h index d65de9621b27..81fbc0b78a52 100644 --- a/drivers/scsi/sr.h +++ b/drivers/scsi/sr.h @@ -20,6 +20,9 @@ #include <linux/genhd.h> #include <linux/kref.h> +#define MAX_RETRIES 3 +#define SR_TIMEOUT (30 * HZ) + struct scsi_device; /* The CDROM is fairly slow, so we need a little extra time */ @@ -37,6 +40,7 @@ typedef struct scsi_cd { unsigned xa_flag:1; /* CD has XA sectors ? */ unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */ unsigned readcd_cdda:1; /* reading audio data using READ_CD */ + unsigned previous_state:1; /* media has changed */ struct cdrom_device_info cdi; /* We hold gendisk and scsi_device references on probe and use * the refs on this kref to decide when to release them */ diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index e1589f91706a..d5cebff1d646 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -275,18 +275,6 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc) /* ---------------------------------------------------------------------- */ /* interface to cdrom.c */ -static int test_unit_ready(Scsi_CD *cd) -{ - struct packet_command cgc; - - memset(&cgc, 0, sizeof(struct packet_command)); - cgc.cmd[0] = GPCMD_TEST_UNIT_READY; - cgc.quiet = 1; - cgc.data_direction = DMA_NONE; - cgc.timeout = IOCTL_TIMEOUT; - return sr_do_ioctl(cd, &cgc); -} - int sr_tray_move(struct cdrom_device_info *cdi, int pos) { Scsi_CD *cd = cdi->handle; @@ -310,14 +298,46 @@ int sr_lock_door(struct cdrom_device_info *cdi, int lock) int sr_drive_status(struct cdrom_device_info *cdi, int slot) { + struct scsi_cd *cd = cdi->handle; + struct scsi_sense_hdr sshdr; + struct media_event_desc med; + if (CDSL_CURRENT != slot) { /* we have no changer support */ return -EINVAL; } - if (0 == test_unit_ready(cdi->handle)) + if (0 == scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, + &sshdr)) return CDS_DISC_OK; - return CDS_TRAY_OPEN; + if (!cdrom_get_media_event(cdi, &med)) { + if (med.media_present) + return CDS_DISC_OK; + else if (med.door_open) + return CDS_TRAY_OPEN; + else + return CDS_NO_DISC; + } + + /* + * 0x04 is format in progress .. but there must be a disc present! + */ + if (sshdr.sense_key == NOT_READY && sshdr.asc == 0x04) + return CDS_DISC_OK; + + /* + * If not using Mt Fuji extended media tray reports, + * just return TRAY_OPEN since ATAPI doesn't provide + * any other way to detect this... + */ + if (scsi_sense_valid(&sshdr) && + /* 0x3a is medium not present */ + sshdr.asc == 0x3a) + return CDS_NO_DISC; + else + return CDS_TRAY_OPEN; + + return CDS_DRIVE_NOT_READY; } int sr_disk_status(struct cdrom_device_info *cdi) diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 328c47c6aeb1..71952703125a 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -9,7 +9,7 @@ Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky, Michael Schaefer, J"org Weule, and Eric Youngdale. - Copyright 1992 - 2007 Kai Makisara + Copyright 1992 - 2008 Kai Makisara email Kai.Makisara@kolumbus.fi Some small formal changes - aeb, 950809 @@ -17,7 +17,7 @@ Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support */ -static const char *verstr = "20070203"; +static const char *verstr = "20080117"; #include <linux/module.h> @@ -3214,8 +3214,7 @@ static int partition_tape(struct scsi_tape *STp, int size) /* The ioctl command */ -static int st_ioctl(struct inode *inode, struct file *file, - unsigned int cmd_in, unsigned long arg) +static long st_ioctl(struct file *file, unsigned int cmd_in, unsigned long arg) { int i, cmd_nr, cmd_type, bt; int retval = 0; @@ -3870,7 +3869,7 @@ static const struct file_operations st_fops = .owner = THIS_MODULE, .read = st_read, .write = st_write, - .ioctl = st_ioctl, + .unlocked_ioctl = st_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = st_compat_ioctl, #endif diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c index 2dcde373b20e..bcaba86060ab 100644 --- a/drivers/scsi/sun3_NCR5380.c +++ b/drivers/scsi/sun3_NCR5380.c @@ -515,9 +515,9 @@ static __inline__ void initialize_SCp(struct scsi_cmnd *cmd) * various queues are valid. */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.ptr = (char *) SGADDR(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; @@ -528,8 +528,8 @@ static __inline__ void initialize_SCp(struct scsi_cmnd *cmd) } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *) cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } } @@ -935,7 +935,7 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd, } # endif # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { @@ -943,14 +943,14 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd, case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingw++; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase); - hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen; + hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd); hostdata->pendingr++; break; } @@ -1345,7 +1345,7 @@ static void collect_stats(struct NCR5380_hostdata *hostdata, struct scsi_cmnd *cmd) { # ifdef NCR5380_STAT_LIMIT - if (cmd->request_bufflen > NCR5380_STAT_LIMIT) + if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT) # endif switch (cmd->cmnd[0]) { @@ -1353,14 +1353,14 @@ static void collect_stats(struct NCR5380_hostdata *hostdata, case WRITE_6: case WRITE_10: hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingw--; break; case READ: case READ_6: case READ_10: hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase); - /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/ + /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/ hostdata->pendingr--; break; } @@ -1863,7 +1863,7 @@ static int do_abort (struct Scsi_Host *host) * the target sees, so we just handshake. */ - while (!(tmp = NCR5380_read(STATUS_REG)) & SR_REQ); + while (!((tmp = NCR5380_read(STATUS_REG)) & SR_REQ)); NCR5380_write(TARGET_COMMAND_REG, PHASE_SR_TO_TCR(tmp)); diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c index 90cee94d9522..1f6fd1680335 100644 --- a/drivers/scsi/sym53c416.c +++ b/drivers/scsi/sym53c416.c @@ -328,27 +328,13 @@ static __inline__ unsigned int sym53c416_write(int base, unsigned char *buffer, static irqreturn_t sym53c416_intr_handle(int irq, void *dev_id) { struct Scsi_Host *dev = dev_id; - int base = 0; + int base = dev->io_port; int i; unsigned long flags = 0; unsigned char status_reg, pio_int_reg, int_reg; struct scatterlist *sg; unsigned int tot_trans = 0; - /* We search the base address of the host adapter which caused the interrupt */ - /* FIXME: should pass dev_id sensibly as hosts[i] */ - for(i = 0; i < host_index && !base; i++) - if(irq == hosts[i].irq) - base = hosts[i].base; - /* If no adapter found, we cannot handle the interrupt. Leave a message */ - /* and continue. This should never happen... */ - if(!base) - { - printk(KERN_ERR "sym53c416: No host adapter defined for interrupt %d\n", irq); - return IRQ_NONE; - } - /* Now we have the base address and we can start handling the interrupt */ - spin_lock_irqsave(dev->host_lock,flags); status_reg = inb(base + STATUS_REG); pio_int_reg = inb(base + PIO_INT_REG); diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 9e0908d1981a..21e926dcdab0 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -207,10 +207,9 @@ void sym_set_cam_result_error(struct sym_hcb *np, struct sym_ccb *cp, int resid) /* * Bounce back the sense data to user. */ - memset(&cmd->sense_buffer, 0, sizeof(cmd->sense_buffer)); + memset(&cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); memcpy(cmd->sense_buffer, cp->sns_bbuf, - min(sizeof(cmd->sense_buffer), - (size_t)SYM_SNS_BBUF_LEN)); + min(SCSI_SENSE_BUFFERSIZE, SYM_SNS_BBUF_LEN)); #if 0 /* * If the device reports a UNIT ATTENTION condition @@ -609,22 +608,24 @@ static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd) */ #define WAIT_FOR_PCI_RECOVERY 35 if (pci_channel_offline(pdev)) { - struct completion *io_reset; int finished_reset = 0; init_completion(&eh_done); spin_lock_irq(shost->host_lock); /* Make sure we didn't race */ if (pci_channel_offline(pdev)) { - if (!sym_data->io_reset) - sym_data->io_reset = &eh_done; - io_reset = sym_data->io_reset; + BUG_ON(sym_data->io_reset); + sym_data->io_reset = &eh_done; } else { finished_reset = 1; } spin_unlock_irq(shost->host_lock); if (!finished_reset) - finished_reset = wait_for_completion_timeout(io_reset, + finished_reset = wait_for_completion_timeout + (sym_data->io_reset, WAIT_FOR_PCI_RECOVERY*HZ); + spin_lock_irq(shost->host_lock); + sym_data->io_reset = NULL; + spin_unlock_irq(shost->host_lock); if (!finished_reset) return SCSI_FAILED; } @@ -1744,7 +1745,7 @@ static int __devinit sym2_probe(struct pci_dev *pdev, return -ENODEV; } -static void __devexit sym2_remove(struct pci_dev *pdev) +static void sym2_remove(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); @@ -1879,7 +1880,6 @@ static void sym2_io_resume(struct pci_dev *pdev) spin_lock_irq(shost->host_lock); if (sym_data->io_reset) complete_all(sym_data->io_reset); - sym_data->io_reset = NULL; spin_unlock_irq(shost->host_lock); } @@ -2056,7 +2056,7 @@ static struct pci_driver sym2_driver = { .name = NAME53C8XX, .id_table = sym2_id_table, .probe = sym2_probe, - .remove = __devexit_p(sym2_remove), + .remove = sym2_remove, .err_handler = &sym2_err_handler, }; diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index 44193049c4ae..5b04ddfed26c 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -444,7 +444,7 @@ static int dc390_pci_map (struct dc390_srb* pSRB) /* Map sense buffer */ if (pSRB->SRBFlag & AUTO_REQSENSE) { - pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->sense_buffer, sizeof(pcmd->sense_buffer)); + pSRB->pSegmentList = dc390_sg_build_single(&pSRB->Segmentx, pcmd->sense_buffer, SCSI_SENSE_BUFFERSIZE); pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, 1, DMA_FROM_DEVICE); cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList); @@ -599,7 +599,7 @@ dc390_StartSCSI( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct dc390_sr DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5); DC390_write8 (ScsiFifo, 0); DC390_write8 (ScsiFifo, 0); - DC390_write8 (ScsiFifo, sizeof(scmd->sense_buffer)); + DC390_write8 (ScsiFifo, SCSI_SENSE_BUFFERSIZE); DC390_write8 (ScsiFifo, 0); DEBUG1(printk (KERN_DEBUG "DC390: AutoReqSense !\n")); } @@ -1389,7 +1389,7 @@ dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5); DC390_write8 (ScsiFifo, 0); DC390_write8 (ScsiFifo, 0); - DC390_write8 (ScsiFifo, sizeof(pSRB->pcmd->sense_buffer)); + DC390_write8 (ScsiFifo, SCSI_SENSE_BUFFERSIZE); DC390_write8 (ScsiFifo, 0); DEBUG0(printk(KERN_DEBUG "DC390: AutoReqSense (CmndPhase)!\n")); } diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c index 7edd6ceb13b2..4bc5407f9695 100644 --- a/drivers/scsi/u14-34f.c +++ b/drivers/scsi/u14-34f.c @@ -1121,9 +1121,9 @@ static void map_dma(unsigned int i, unsigned int j) { if (SCpnt->sense_buffer) cpp->sense_addr = H2DEV(pci_map_single(HD(j)->pdev, SCpnt->sense_buffer, - sizeof SCpnt->sense_buffer, PCI_DMA_FROMDEVICE)); + SCSI_SENSE_BUFFERSIZE, PCI_DMA_FROMDEVICE)); - cpp->sense_len = sizeof SCpnt->sense_buffer; + cpp->sense_len = SCSI_SENSE_BUFFERSIZE; if (scsi_bufflen(SCpnt)) { count = scsi_dma_map(SCpnt); diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 6d1f0edd7985..75eca6b22db5 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -298,9 +298,16 @@ static inline int find_and_clear_bit_16(unsigned long *field) { int rv; - if (*field == 0) panic("No free mscp"); - asm("xorl %0,%0\n0:\tbsfw %1,%w0\n\tbtr %0,%1\n\tjnc 0b" - : "=&r" (rv), "=m" (*field) : "1" (*field)); + if (*field == 0) + panic("No free mscp"); + + asm volatile ( + "xorl %0,%0\n\t" + "0: bsfw %1,%w0\n\t" + "btr %0,%1\n\t" + "jnc 0b" + : "=&r" (rv), "=m" (*field) :); + return rv; } @@ -741,7 +748,7 @@ static int ultrastor_queuecommand(struct scsi_cmnd *SCpnt, } my_mscp->command_link = 0; /*???*/ my_mscp->scsi_command_link_id = 0; /*???*/ - my_mscp->length_of_sense_byte = sizeof SCpnt->sense_buffer; + my_mscp->length_of_sense_byte = SCSI_SENSE_BUFFERSIZE; my_mscp->length_of_scsi_cdbs = SCpnt->cmd_len; memcpy(my_mscp->scsi_cdbs, SCpnt->cmnd, my_mscp->length_of_scsi_cdbs); my_mscp->adapter_status = 0; diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c index fdbb92d1f722..f286c37da7e0 100644 --- a/drivers/scsi/wd33c93.c +++ b/drivers/scsi/wd33c93.c @@ -407,16 +407,16 @@ wd33c93_queuecommand(struct scsi_cmnd *cmd, * - SCp.phase records this command's SRCID_ER bit setting */ - if (cmd->use_sg) { - cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer; - cmd->SCp.buffers_residual = cmd->use_sg - 1; + if (scsi_bufflen(cmd)) { + cmd->SCp.buffer = scsi_sglist(cmd); + cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1; cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); cmd->SCp.this_residual = cmd->SCp.buffer->length; } else { cmd->SCp.buffer = NULL; cmd->SCp.buffers_residual = 0; - cmd->SCp.ptr = (char *) cmd->request_buffer; - cmd->SCp.this_residual = cmd->request_bufflen; + cmd->SCp.ptr = NULL; + cmd->SCp.this_residual = 0; } /* WD docs state that at the conclusion of a "LEVEL2" command, the diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c index 03cd44f231df..b4304ae78527 100644 --- a/drivers/scsi/wd7000.c +++ b/drivers/scsi/wd7000.c @@ -1108,13 +1108,10 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, scb->host = host; nseg = scsi_sg_count(SCpnt); - if (nseg) { + if (nseg > 1) { struct scatterlist *sg; unsigned i; - if (SCpnt->device->host->sg_tablesize == SG_NONE) { - panic("wd7000_queuecommand: scatter/gather not supported.\n"); - } dprintk("Using scatter/gather with %d elements.\n", nseg); sgb = scb->sgb; @@ -1128,7 +1125,10 @@ static int wd7000_queuecommand(struct scsi_cmnd *SCpnt, } } else { scb->op = 0; - any2scsi(scb->dataptr, isa_virt_to_bus(scsi_sglist(SCpnt))); + if (nseg) { + struct scatterlist *sg = scsi_sglist(SCpnt); + any2scsi(scb->dataptr, isa_page_to_bus(sg_page(sg)) + sg->offset); + } any2scsi(scb->maxlen, scsi_bufflen(SCpnt)); } @@ -1524,7 +1524,7 @@ static __init int wd7000_detect(struct scsi_host_template *tpnt) * For boards before rev 6.0, scatter/gather isn't supported. */ if (host->rev1 < 6) - sh->sg_tablesize = SG_NONE; + sh->sg_tablesize = 1; present++; /* count it */ |