diff options
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/README | 2 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/TODO | 1 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 23 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/aacraid.h | 25 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/comminit.c | 25 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 88 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/dpcsup.c | 115 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/linit.c | 27 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/rkt.c | 172 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/rx.c | 157 | ||||
| -rw-r--r-- | drivers/scsi/aacraid/sa.c | 38 |
11 files changed, 454 insertions, 219 deletions
diff --git a/drivers/scsi/aacraid/README b/drivers/scsi/aacraid/README index 4fa524687bc5..4193865d419c 100644 --- a/drivers/scsi/aacraid/README +++ b/drivers/scsi/aacraid/README @@ -57,7 +57,7 @@ Deanna Bonds (non-DASD support, PAE fibs and 64 bit, (fixed 64bit and 64G memory model, changed confusing naming convention where fibs that go to the hardware are consistently called hw_fibs and not just fibs like the name of the driver tracking structure) -Mark Salyzyn <Mark_Salyzyn@adaptec.com> Fixed panic issues and added some new product ids for upcoming hbas. +Mark Salyzyn <Mark_Salyzyn@adaptec.com> Fixed panic issues and added some new product ids for upcoming hbas. Performance tuning, card failover and bug mitigations. Original Driver ------------------------- diff --git a/drivers/scsi/aacraid/TODO b/drivers/scsi/aacraid/TODO index 2f148b4617dc..78dc863eff4f 100644 --- a/drivers/scsi/aacraid/TODO +++ b/drivers/scsi/aacraid/TODO @@ -1,4 +1,3 @@ o Testing o More testing -o Drop irq_mask, basically unused o I/O size increase diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index a913196459d5..acc3d9209879 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -359,15 +359,6 @@ int aac_get_containers(struct aac_dev *dev) return status; } -static void aac_io_done(struct scsi_cmnd * scsicmd) -{ - unsigned long cpu_flags; - struct Scsi_Host *host = scsicmd->device->host; - spin_lock_irqsave(host->host_lock, cpu_flags); - scsicmd->scsi_done(scsicmd); - spin_unlock_irqrestore(host->host_lock, cpu_flags); -} - static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) { void *buf; @@ -424,7 +415,7 @@ static void get_container_name_callback(void *context, struct fib * fibptr) fib_complete(fibptr); fib_free(fibptr); - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); } /** @@ -988,7 +979,7 @@ static void io_callback(void *context, struct fib * fibptr) fib_complete(fibptr); fib_free(fibptr); - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); } static int aac_read(struct scsi_cmnd * scsicmd, int cid) @@ -1167,7 +1158,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid) * For some reason, the Fib didn't queue, return QUEUE_FULL */ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); fib_complete(cmd_fibcontext); fib_free(cmd_fibcontext); return 0; @@ -1239,7 +1230,7 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid) */ if (!(cmd_fibcontext = fib_alloc(dev))) { scsicmd->result = DID_ERROR << 16; - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); return 0; } fib_init(cmd_fibcontext); @@ -1336,7 +1327,7 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid) * For some reason, the Fib didn't queue, return QUEUE_FULL */ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_TASK_SET_FULL; - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); fib_complete(cmd_fibcontext); fib_free(cmd_fibcontext); @@ -1380,7 +1371,7 @@ static void synchronize_callback(void *context, struct fib *fibptr) fib_complete(fibptr); fib_free(fibptr); - aac_io_done(cmd); + cmd->scsi_done(cmd); } static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid) @@ -2097,7 +2088,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) fib_complete(fibptr); fib_free(fibptr); - aac_io_done(scsicmd); + scsicmd->scsi_done(scsicmd); } /** diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 2ebe402bc31a..30fd8d6e3f31 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -481,6 +481,7 @@ enum aac_log_level { #define FSAFS_NTC_FIB_CONTEXT 0x030c struct aac_dev; +struct fib; struct adapter_ops { @@ -489,6 +490,7 @@ struct adapter_ops void (*adapter_disable_int)(struct aac_dev *dev); int (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4); int (*adapter_check_health)(struct aac_dev *dev); + int (*adapter_send)(struct fib * fib); }; /* @@ -659,6 +661,10 @@ struct rx_mu_registers { Status Register */ __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 */ }; @@ -693,8 +699,8 @@ struct rx_inbound { #define OutboundDoorbellReg MUnit.ODR struct rx_registers { - struct rx_mu_registers MUnit; /* 1300h - 1334h */ - __le32 reserved1[6]; /* 1338h - 134ch */ + struct rx_mu_registers MUnit; /* 1300h - 1344h */ + __le32 reserved1[2]; /* 1348h - 134ch */ struct rx_inbound IndexRegs; }; @@ -711,8 +717,8 @@ struct rx_registers { #define rkt_inbound rx_inbound struct rkt_registers { - struct rkt_mu_registers MUnit; /* 1300h - 1334h */ - __le32 reserved1[1010]; /* 1338h - 22fch */ + struct rkt_mu_registers MUnit; /* 1300h - 1344h */ + __le32 reserved1[1006]; /* 1348h - 22fch */ struct rkt_inbound IndexRegs; /* 2300h - */ }; @@ -721,8 +727,6 @@ struct rkt_registers { #define rkt_writeb(AEP, CSR, value) writeb(value, &((AEP)->regs.rkt->CSR)) #define rkt_writel(AEP, CSR, value) writel(value, &((AEP)->regs.rkt->CSR)) -struct fib; - typedef void (*fib_callback)(void *ctxt, struct fib *fibctx); struct aac_fib_context { @@ -937,7 +941,6 @@ struct aac_dev const char *name; int id; - u16 irq_mask; /* * negotiated FIB settings */ @@ -972,6 +975,7 @@ struct aac_dev 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 */ @@ -992,6 +996,9 @@ struct aac_dev /* * The following is the device specific extension. */ +#if (!defined(AAC_MIN_FOOTPRINT_SIZE)) +# define AAC_MIN_FOOTPRINT_SIZE 8192 +#endif union { struct sa_registers __iomem *sa; @@ -1012,6 +1019,7 @@ struct aac_dev u8 nondasd_support; u8 dac_support; u8 raid_scsi_mode; + u8 new_comm_interface; /* macro side-effects BEWARE */ # define raw_io_interface \ init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4) @@ -1034,6 +1042,8 @@ struct aac_dev #define aac_adapter_check_health(dev) \ (dev)->a_ops.adapter_check_health(dev) +#define aac_adapter_send(fib) \ + ((fib)->dev)->a_ops.adapter_send(fib) #define FIB_CONTEXT_FLAG_TIMED_OUT (0x00000001) @@ -1779,6 +1789,7 @@ int aac_rkt_init(struct aac_dev *dev); int aac_sa_init(struct aac_dev *dev); unsigned int aac_response_normal(struct aac_queue * q); unsigned int aac_command_normal(struct aac_queue * q); +unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index); int aac_command_thread(struct aac_dev * dev); int aac_close_fib_context(struct aac_dev * dev, struct aac_fib_context *fibctx); int fib_adapter_complete(struct fib * fibptr, unsigned short size); diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 59a341b2aedc..82821d331c07 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -116,6 +116,10 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co } init->InitFlags = 0; + if (dev->new_comm_interface) { + init->InitFlags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED); + dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n")); + } init->MaxIoCommands = cpu_to_le32(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); init->MaxIoSize = cpu_to_le32(dev->scsi_host_ptr->max_sectors << 9); init->MaxFibSize = cpu_to_le32(dev->max_fib_size); @@ -315,12 +319,33 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) - sizeof(struct aac_fibhdr) - sizeof(struct aac_write) + sizeof(struct sgentry)) / sizeof(struct sgentry); + dev->new_comm_interface = 0; dev->raw_io_64 = 0; 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) dev->raw_io_64 = 1; + if (status[1] & AAC_OPT_NEW_COMM) + dev->new_comm_interface = dev->a_ops.adapter_send != 0; + if (dev->new_comm_interface && (status[2] > dev->base_size)) { + iounmap(dev->regs.sa); + dev->base_size = status[2]; + dprintk((KERN_DEBUG "ioremap(%lx,%d)\n", + host->base, status[2])); + dev->regs.sa = ioremap(host->base, status[2]); + if (dev->regs.sa == NULL) { + /* remap failed, go back ... */ + dev->new_comm_interface = 0; + dev->regs.sa = ioremap(host->base, + AAC_MIN_FOOTPRINT_SIZE); + if (dev->regs.sa == NULL) { + printk(KERN_WARNING + "aacraid: unable to map adapter.\n"); + return NULL; + } + } + } } if ((!aac_adapter_sync_cmd(dev, GET_COMM_PREFERRED_SETTINGS, 0, 0, 0, 0, 0, 0, diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e4d543a474ae..ee9067255930 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -212,7 +212,7 @@ void fib_init(struct fib *fibptr) hw_fib->header.StructType = FIB_MAGIC; hw_fib->header.Size = cpu_to_le16(fibptr->dev->max_fib_size); hw_fib->header.XferState = cpu_to_le32(HostOwned | FibInitialized | FibEmpty | FastResponseCapable); - hw_fib->header.SenderFibAddress = cpu_to_le32(fibptr->hw_fib_pa); + hw_fib->header.SenderFibAddress = 0; /* Filled in later if needed */ hw_fib->header.ReceiverFibAddress = cpu_to_le32(fibptr->hw_fib_pa); hw_fib->header.SenderSize = cpu_to_le16(fibptr->dev->max_fib_size); } @@ -380,9 +380,7 @@ static int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_f int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority, int wait, int reply, fib_callback callback, void * callback_data) { - u32 index; struct aac_dev * dev = fibptr->dev; - unsigned long nointr = 0; struct hw_fib * hw_fib = fibptr->hw_fib; struct aac_queue * q; unsigned long flags = 0; @@ -417,7 +415,7 @@ int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority * Map the fib into 32bits by using the fib number */ - hw_fib->header.SenderFibAddress = cpu_to_le32(((u32)(fibptr-dev->fibs)) << 1); + hw_fib->header.SenderFibAddress = cpu_to_le32(((u32)(fibptr - dev->fibs)) << 2); hw_fib->header.SenderData = (u32)(fibptr - dev->fibs); /* * Set FIB state to indicate where it came from and if we want a @@ -456,10 +454,10 @@ int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority FIB_COUNTER_INCREMENT(aac_config.FibsSent); - dprintk((KERN_DEBUG "fib_send: inserting a queue entry at index %d.\n",index)); dprintk((KERN_DEBUG "Fib contents:.\n")); - dprintk((KERN_DEBUG " Command = %d.\n", hw_fib->header.Command)); - dprintk((KERN_DEBUG " XferState = %x.\n", hw_fib->header.XferState)); + dprintk((KERN_DEBUG " Command = %d.\n", le32_to_cpu(hw_fib->header.Command))); + dprintk((KERN_DEBUG " SubCommand = %d.\n", le32_to_cpu(((struct aac_query_mount *)fib_data(fibptr))->command))); + dprintk((KERN_DEBUG " XferState = %x.\n", le32_to_cpu(hw_fib->header.XferState))); dprintk((KERN_DEBUG " hw_fib va being sent=%p\n",fibptr->hw_fib)); dprintk((KERN_DEBUG " hw_fib pa being sent=%lx\n",(ulong)fibptr->hw_fib_pa)); dprintk((KERN_DEBUG " fib being sent=%p\n",fibptr)); @@ -469,14 +467,37 @@ int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority if(wait) spin_lock_irqsave(&fibptr->event_lock, flags); spin_lock_irqsave(q->lock, qflags); - aac_queue_get( dev, &index, AdapNormCmdQueue, hw_fib, 1, fibptr, &nointr); - - list_add_tail(&fibptr->queue, &q->pendingq); - q->numpending++; - *(q->headers.producer) = cpu_to_le32(index + 1); - spin_unlock_irqrestore(q->lock, qflags); - if (!(nointr & aac_config.irq_mod)) - aac_adapter_notify(dev, AdapNormCmdQueue); + if (dev->new_comm_interface) { + unsigned long count = 10000000L; /* 50 seconds */ + list_add_tail(&fibptr->queue, &q->pendingq); + q->numpending++; + spin_unlock_irqrestore(q->lock, qflags); + while (aac_adapter_send(fibptr) != 0) { + if (--count == 0) { + if (wait) + spin_unlock_irqrestore(&fibptr->event_lock, flags); + spin_lock_irqsave(q->lock, qflags); + q->numpending--; + list_del(&fibptr->queue); + spin_unlock_irqrestore(q->lock, qflags); + return -ETIMEDOUT; + } + udelay(5); + } + } else { + u32 index; + unsigned long nointr = 0; + aac_queue_get( dev, &index, AdapNormCmdQueue, hw_fib, 1, fibptr, &nointr); + + list_add_tail(&fibptr->queue, &q->pendingq); + q->numpending++; + *(q->headers.producer) = cpu_to_le32(index + 1); + spin_unlock_irqrestore(q->lock, qflags); + dprintk((KERN_DEBUG "fib_send: inserting a queue entry at index %d.\n",index)); + if (!(nointr & aac_config.irq_mod)) + aac_adapter_notify(dev, AdapNormCmdQueue); + } + /* * If the caller wanted us to wait for response wait now. */ @@ -492,7 +513,6 @@ int fib_send(u16 command, struct fib * fibptr, unsigned long size, int priority * hardware failure has occurred. */ unsigned long count = 36000000L; /* 3 minutes */ - unsigned long qflags; while (down_trylock(&fibptr->event_wait)) { if (--count == 0) { spin_lock_irqsave(q->lock, qflags); @@ -621,12 +641,16 @@ int fib_adapter_complete(struct fib * fibptr, unsigned short size) unsigned long qflags; if (hw_fib->header.XferState == 0) { + if (dev->new_comm_interface) + kfree (hw_fib); return 0; } /* * If we plan to do anything check the structure type first. */ if ( hw_fib->header.StructType != FIB_MAGIC ) { + if (dev->new_comm_interface) + kfree (hw_fib); return -EINVAL; } /* @@ -637,21 +661,25 @@ int fib_adapter_complete(struct fib * fibptr, unsigned short size) * send the completed cdb to the adapter. */ if (hw_fib->header.XferState & cpu_to_le32(SentFromAdapter)) { - 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)) - return -EMSGSIZE; - hw_fib->header.Size = cpu_to_le16(size); + if (dev->new_comm_interface) { + kfree (hw_fib); + } else { + 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)) + return -EMSGSIZE; + hw_fib->header.Size = cpu_to_le16(size); + } + q = &dev->queues->queue[AdapNormRespQueue]; + spin_lock_irqsave(q->lock, qflags); + aac_queue_get(dev, &index, AdapNormRespQueue, hw_fib, 1, NULL, &nointr); + *(q->headers.producer) = cpu_to_le32(index + 1); + spin_unlock_irqrestore(q->lock, qflags); + if (!(nointr & (int)aac_config.irq_mod)) + aac_adapter_notify(dev, AdapNormRespQueue); } - q = &dev->queues->queue[AdapNormRespQueue]; - spin_lock_irqsave(q->lock, qflags); - aac_queue_get(dev, &index, AdapNormRespQueue, hw_fib, 1, NULL, &nointr); - *(q->headers.producer) = cpu_to_le32(index + 1); - spin_unlock_irqrestore(q->lock, qflags); - if (!(nointr & (int)aac_config.irq_mod)) - aac_adapter_notify(dev, AdapNormRespQueue); } else { diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c index be2e98de9fab..439948ef8251 100644 --- a/drivers/scsi/aacraid/dpcsup.c +++ b/drivers/scsi/aacraid/dpcsup.c @@ -73,7 +73,7 @@ unsigned int aac_response_normal(struct aac_queue * q) int fast; u32 index = le32_to_cpu(entry->addr); fast = index & 0x01; - fib = &dev->fibs[index >> 1]; + fib = &dev->fibs[index >> 2]; hwfib = fib->hw_fib; aac_consumer_free(dev, q, HostNormRespQueue); @@ -213,3 +213,116 @@ unsigned int aac_command_normal(struct aac_queue *q) spin_unlock_irqrestore(q->lock, flags); return 0; } + + +/** + * aac_intr_normal - Handle command replies + * @dev: Device + * @index: completion reference + * + * This DPC routine will be run when the adapter interrupts us to let us + * know there is a response on our normal priority queue. We will pull off + * all QE there are and wake up all the waiters before exiting. + */ + +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)); + if ((index & 0x00000002L)) { + struct hw_fib * hw_fib; + struct fib * fib; + struct aac_queue *q = &dev->queues->queue[HostNormCmdQueue]; + unsigned long flags; + + if (index == 0xFFFFFFFEL) /* Special Case */ + return 0; /* Do nothing */ + /* + * Allocate a FIB. For non queued stuff we can just use + * the stack so we are happy. We need a fib object in order to + * manage the linked lists. + */ + if ((!dev->aif_thread) + || (!(fib = kmalloc(sizeof(struct fib),GFP_ATOMIC)))) + return 1; + if (!(hw_fib = kmalloc(sizeof(struct hw_fib),GFP_ATOMIC))) { + kfree (fib); + return 1; + } + memset(hw_fib, 0, sizeof(struct hw_fib)); + memcpy(hw_fib, (struct hw_fib *)(((unsigned long)(dev->regs.sa)) + (index & ~0x00000002L)), sizeof(struct hw_fib)); + memset(fib, 0, sizeof(struct fib)); + INIT_LIST_HEAD(&fib->fiblink); + fib->type = FSAFS_NTC_FIB_CONTEXT; + fib->size = sizeof(struct fib); + fib->hw_fib = hw_fib; + fib->data = hw_fib->data; + fib->dev = dev; + + spin_lock_irqsave(q->lock, flags); + list_add_tail(&fib->fiblink, &q->cmdq); + wake_up_interruptible(&q->cmdready); + spin_unlock_irqrestore(q->lock, flags); + return 1; + } else { + int fast = index & 0x01; + struct fib * fib = &dev->fibs[index >> 2]; + struct hw_fib * hwfib = fib->hw_fib; + + /* + * Remove this fib from the Outstanding I/O queue. + * But only if it has not already been timed out. + * + * If the fib has been timed out already, then just + * continue. The caller has already been notified that + * the fib timed out. + */ + if ((fib->flags & FIB_CONTEXT_FLAG_TIMED_OUT)) { + printk(KERN_WARNING "aacraid: FIB timeout (%x).\n", fib->flags); + printk(KERN_DEBUG"aacraid: hwfib=%p index=%i fib=%p\n",hwfib, hwfib->header.SenderData,fib); + return 0; + } + + list_del(&fib->queue); + dev->queues->queue[AdapNormCmdQueue].numpending--; + + if (fast) { + /* + * Doctor the fib + */ + *(__le32 *)hwfib->data = cpu_to_le32(ST_OK); + hwfib->header.XferState |= cpu_to_le32(AdapterProcessed); + } + + FIB_COUNTER_INCREMENT(aac_config.FibRecved); + + if (hwfib->header.Command == cpu_to_le16(NuFileSystem)) + { + u32 *pstatus = (u32 *)hwfib->data; + if (*pstatus & cpu_to_le32(0xffff0000)) + *pstatus = cpu_to_le32(ST_OK); + } + if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected | Async)) + { + if (hwfib->header.XferState & cpu_to_le32(NoResponseExpected)) + FIB_COUNTER_INCREMENT(aac_config.NoResponseRecved); + else + FIB_COUNTER_INCREMENT(aac_config.AsyncRecved); + /* + * NOTE: we cannot touch the fib after this + * call, because it may have been deallocated. + */ + fib->callback(fib->callback_data, fib); + } else { + unsigned long flagv; + dprintk((KERN_INFO "event_wait up\n")); + spin_lock_irqsave(&fib->event_lock, flagv); + fib->done = 1; + up(&fib->event_wait); + spin_unlock_irqrestore(&fib->event_lock, flagv); + FIB_COUNTER_INCREMENT(aac_config.NormalRecved); + } + return 0; + } +} diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index c235d0c0e7a7..ab383d1f59e2 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -788,8 +788,29 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, goto out_free_host; spin_lock_init(&aac->fib_lock); - if ((*aac_drivers[index].init)(aac)) + /* + * Map in the registers from the adapter. + */ + aac->base_size = AAC_MIN_FOOTPRINT_SIZE; + if ((aac->regs.sa = ioremap( + (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE)) + == NULL) { + printk(KERN_WARNING "%s: unable to map adapter.\n", + AAC_DRIVERNAME); goto out_free_fibs; + } + if ((*aac_drivers[index].init)(aac)) + goto out_unmap; + + /* + * Start any kernel threads needed + */ + aac->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, + aac, 0); + if (aac->thread_pid < 0) { + printk(KERN_ERR "aacraid: Unable to create command thread.\n"); + goto out_deinit; + } /* * If we had set a smaller DMA mask earlier, set it to 4gig @@ -866,10 +887,11 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, aac_send_shutdown(aac); aac_adapter_disable_int(aac); + free_irq(pdev->irq, aac); + out_unmap: fib_map_free(aac); pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); kfree(aac->queues); - free_irq(pdev->irq, aac); iounmap(aac->regs.sa); out_free_fibs: kfree(aac->fibs); @@ -910,6 +932,7 @@ static void __devexit aac_remove_one(struct pci_dev *pdev) iounmap(aac->regs.sa); kfree(aac->fibs); + kfree(aac->fsa_dev); list_del(&aac->entry); scsi_host_put(shost); diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c index 557287a0b80b..fc4c73c2a6a9 100644 --- a/drivers/scsi/aacraid/rkt.c +++ b/drivers/scsi/aacraid/rkt.c @@ -49,40 +49,57 @@ static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs) { struct aac_dev *dev = dev_id; - unsigned long bellbits; - u8 intstat, mask; - intstat = rkt_readb(dev, MUnit.OISR); - /* - * Read mask and invert because drawbridge is reversed. - * This allows us to only service interrupts that have - * been enabled. - */ - mask = ~(dev->OIMR); - /* Check to see if this is our interrupt. If it isn't just return */ - if (intstat & mask) - { - bellbits = rkt_readl(dev, OutboundDoorbellReg); - if (bellbits & DoorBellPrintfReady) { - aac_printf(dev, rkt_readl(dev, IndexRegs.Mailbox[5])); - rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady); - rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); - } - else if (bellbits & DoorBellAdapterNormCmdReady) { - rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); - aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); - } - else if (bellbits & DoorBellAdapterNormRespReady) { - aac_response_normal(&dev->queues->queue[HostNormRespQueue]); - rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); - } - else if (bellbits & DoorBellAdapterNormCmdNotFull) { - rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + + if (dev->new_comm_interface) { + u32 Index = rkt_readl(dev, MUnit.OutboundQueue); + if (Index == 0xFFFFFFFFL) + Index = rkt_readl(dev, MUnit.OutboundQueue); + if (Index != 0xFFFFFFFFL) { + do { + if (aac_intr_normal(dev, Index)) { + rkt_writel(dev, MUnit.OutboundQueue, Index); + rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady); + } + Index = rkt_readl(dev, MUnit.OutboundQueue); + } while (Index != 0xFFFFFFFFL); + return IRQ_HANDLED; } - else if (bellbits & DoorBellAdapterNormRespNotFull) { - rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); - rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); + } else { + unsigned long bellbits; + u8 intstat; + intstat = rkt_readb(dev, MUnit.OISR); + /* + * Read mask and invert because drawbridge is reversed. + * This allows us to only service interrupts that have + * been enabled. + * Check to see if this is our interrupt. If it isn't just return + */ + if (intstat & ~(dev->OIMR)) + { + bellbits = rkt_readl(dev, OutboundDoorbellReg); + if (bellbits & DoorBellPrintfReady) { + aac_printf(dev, rkt_readl (dev, IndexRegs.Mailbox[5])); + rkt_writel(dev, MUnit.ODR,DoorBellPrintfReady); + rkt_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); + } + else if (bellbits & DoorBellAdapterNormCmdReady) { + rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); + aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); +// rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); + } + else if (bellbits & DoorBellAdapterNormRespReady) { + rkt_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); + aac_response_normal(&dev->queues->queue[HostNormRespQueue]); + } + else if (bellbits & DoorBellAdapterNormCmdNotFull) { + rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + } + else if (bellbits & DoorBellAdapterNormRespNotFull) { + rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + rkt_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); + } + return IRQ_HANDLED; } - return IRQ_HANDLED; } return IRQ_NONE; } @@ -173,7 +190,10 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command, /* * Restore interrupt mask even though we timed out */ - rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); + if (dev->new_comm_interface) + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + else + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); return -ETIMEDOUT; } /* @@ -196,7 +216,10 @@ static int rkt_sync_cmd(struct aac_dev *dev, u32 command, /* * Restore interrupt mask */ - rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); + if (dev->new_comm_interface) + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + else + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); return 0; } @@ -268,15 +291,6 @@ static void aac_rkt_start_adapter(struct aac_dev *dev) init = dev->init; init->HostElapsedSeconds = cpu_to_le32(get_seconds()); - /* - * First clear out all interrupts. Then enable the one's that we - * can handle. - */ - rkt_writeb(dev, MUnit.OIMR, 0xff); - rkt_writel(dev, MUnit.ODR, 0xffffffff); -// rkt_writeb(dev, MUnit.OIMR, ~(u8)OUTBOUND_DOORBELL_INTERRUPT_MASK); - rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); - // We can only use a 32 bit address here rkt_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); @@ -350,6 +364,39 @@ static int aac_rkt_check_health(struct aac_dev *dev) } /** + * aac_rkt_send + * @fib: fib to issue + * + * Will send a fib, returning 0 if successful. + */ +static int aac_rkt_send(struct fib * fib) +{ + u64 addr = fib->hw_fib_pa; + struct aac_dev *dev = fib->dev; + volatile void __iomem *device = dev->regs.rkt; + u32 Index; + + dprintk((KERN_DEBUG "%p->aac_rkt_send(%p->%llx)\n", dev, fib, addr)); + Index = rkt_readl(dev, MUnit.InboundQueue); + if (Index == 0xFFFFFFFFL) + Index = rkt_readl(dev, MUnit.InboundQueue); + dprintk((KERN_DEBUG "Index = 0x%x\n", Index)); + if (Index == 0xFFFFFFFFL) + return Index; + device += Index; + dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff), + (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size))); + writel((u32)(addr & 0xffffffff), device); + device += sizeof(u32); + writel((u32)(addr >> 32), device); + device += sizeof(u32); + writel(le16_to_cpu(fib->hw_fib->header.Size), device); + rkt_writel(dev, MUnit.InboundQueue, Index); + dprintk((KERN_DEBUG "aac_rkt_send - return 0\n")); + return 0; +} + +/** * aac_rkt_init - initialize an i960 based AAC card * @dev: device to configure * @@ -369,13 +416,8 @@ int aac_rkt_init(struct aac_dev *dev) name = dev->name; /* - * Map in the registers from the adapter. + * Check to see if the board panic'd while booting. */ - if((dev->regs.rkt = ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL) - { - printk(KERN_WARNING "aacraid: unable to map i960.\n" ); - goto error_iounmap; - } /* * Check to see if the board failed any self tests. */ @@ -426,6 +468,7 @@ int aac_rkt_init(struct aac_dev *dev) dev->a_ops.adapter_notify = aac_rkt_notify_adapter; dev->a_ops.adapter_sync_cmd = rkt_sync_cmd; dev->a_ops.adapter_check_health = aac_rkt_check_health; + dev->a_ops.adapter_send = aac_rkt_send; /* * First clear out all interrupts. Then enable the one's that we @@ -437,15 +480,24 @@ int aac_rkt_init(struct aac_dev *dev) if (aac_init_adapter(dev) == NULL) goto error_irq; - /* - * Start any kernel threads needed - */ - dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0); - if(dev->thread_pid < 0) - { - printk(KERN_ERR "aacraid: Unable to create rkt thread.\n"); - goto error_kfree; - } + if (dev->new_comm_interface) { + /* + * FIB Setup has already been done, but we can minimize the + * damage by at least ensuring the OS never issues more + * commands than we can handle. The Rocket adapters currently + * can only handle 246 commands and 8 AIFs at the same time, + * and in fact do notify us accordingly if we negotiate the + * FIB size. The problem that causes us to add this check is + * to ensure that we do not overdo it with the adapter when a + * hard coded FIB override is being utilized. This special + * case warrants this half baked, but convenient, check here. + */ + if (dev->scsi_host_ptr->can_queue > (246 - AAC_NUM_MGT_FIB)) { + dev->init->MaxIoCommands = cpu_to_le32(246); + dev->scsi_host_ptr->can_queue = 246 - AAC_NUM_MGT_FIB; + } + rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + } /* * Tell the adapter that all is configured, and it can start * accepting requests @@ -453,15 +505,11 @@ int aac_rkt_init(struct aac_dev *dev) aac_rkt_start_adapter(dev); return 0; -error_kfree: - kfree(dev->queues); - error_irq: rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); free_irq(dev->scsi_host_ptr->irq, (void *)dev); error_iounmap: - iounmap(dev->regs.rkt); return -1; } diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index a8459faf87ca..da99046e5393 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -49,40 +49,57 @@ static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs) { struct aac_dev *dev = dev_id; - unsigned long bellbits; - u8 intstat, mask; - intstat = rx_readb(dev, MUnit.OISR); - /* - * Read mask and invert because drawbridge is reversed. - * This allows us to only service interrupts that have - * been enabled. - */ - mask = ~(dev->OIMR); - /* Check to see if this is our interrupt. If it isn't just return */ - if (intstat & mask) - { - bellbits = rx_readl(dev, OutboundDoorbellReg); - if (bellbits & DoorBellPrintfReady) { - aac_printf(dev, rx_readl(dev, IndexRegs.Mailbox[5])); - rx_writel(dev, MUnit.ODR,DoorBellPrintfReady); - rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); - } - else if (bellbits & DoorBellAdapterNormCmdReady) { - rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); - aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); - } - else if (bellbits & DoorBellAdapterNormRespReady) { - aac_response_normal(&dev->queues->queue[HostNormRespQueue]); - rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); - } - else if (bellbits & DoorBellAdapterNormCmdNotFull) { - rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + + dprintk((KERN_DEBUG "aac_rx_intr(%d,%p,%p)\n", irq, dev_id, regs)); + if (dev->new_comm_interface) { + u32 Index = rx_readl(dev, MUnit.OutboundQueue); + if (Index == 0xFFFFFFFFL) + Index = rx_readl(dev, MUnit.OutboundQueue); + if (Index != 0xFFFFFFFFL) { + do { + if (aac_intr_normal(dev, Index)) { + rx_writel(dev, MUnit.OutboundQueue, Index); + rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady); + } + Index = rx_readl(dev, MUnit.OutboundQueue); + } while (Index != 0xFFFFFFFFL); + return IRQ_HANDLED; } - else if (bellbits & DoorBellAdapterNormRespNotFull) { - rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); - rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); + } else { + unsigned long bellbits; + u8 intstat; + intstat = rx_readb(dev, MUnit.OISR); + /* + * Read mask and invert because drawbridge is reversed. + * This allows us to only service interrupts that have + * been enabled. + * Check to see if this is our interrupt. If it isn't just return + */ + if (intstat & ~(dev->OIMR)) + { + bellbits = rx_readl(dev, OutboundDoorbellReg); + if (bellbits & DoorBellPrintfReady) { + aac_printf(dev, rx_readl (dev, IndexRegs.Mailbox[5])); + rx_writel(dev, MUnit.ODR,DoorBellPrintfReady); + rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone); + } + else if (bellbits & DoorBellAdapterNormCmdReady) { + rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady); + aac_command_normal(&dev->queues->queue[HostNormCmdQueue]); + } + else if (bellbits & DoorBellAdapterNormRespReady) { + rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady); + aac_response_normal(&dev->queues->queue[HostNormRespQueue]); + } + else if (bellbits & DoorBellAdapterNormCmdNotFull) { + rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + } + else if (bellbits & DoorBellAdapterNormRespNotFull) { + rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull); + rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull); + } + return IRQ_HANDLED; } - return IRQ_HANDLED; } return IRQ_NONE; } @@ -173,7 +190,10 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command, /* * Restore interrupt mask even though we timed out */ - rx_writeb(dev, MUnit.OIMR, dev->OIMR &= 0xfb); + if (dev->new_comm_interface) + rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + else + rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); return -ETIMEDOUT; } /* @@ -196,7 +216,10 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command, /* * Restore interrupt mask */ - rx_writeb(dev, MUnit.OIMR, dev->OIMR &= 0xfb); + if (dev->new_comm_interface) + rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + else + rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); return 0; } @@ -267,15 +290,6 @@ static void aac_rx_start_adapter(struct aac_dev *dev) init = dev->init; init->HostElapsedSeconds = cpu_to_le32(get_seconds()); - /* - * First clear out all interrupts. Then enable the one's that we - * can handle. - */ - rx_writeb(dev, MUnit.OIMR, 0xff); - rx_writel(dev, MUnit.ODR, 0xffffffff); -// rx_writeb(dev, MUnit.OIMR, ~(u8)OUTBOUND_DOORBELL_INTERRUPT_MASK); - rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb); - // We can only use a 32 bit address here rx_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); @@ -349,6 +363,39 @@ static int aac_rx_check_health(struct aac_dev *dev) } /** + * aac_rx_send + * @fib: fib to issue + * + * Will send a fib, returning 0 if successful. + */ +static int aac_rx_send(struct fib * fib) +{ + u64 addr = fib->hw_fib_pa; + struct aac_dev *dev = fib->dev; + volatile void __iomem *device = dev->regs.rx; + u32 Index; + + dprintk((KERN_DEBUG "%p->aac_rx_send(%p->%llx)\n", dev, fib, addr)); + Index = rx_readl(dev, MUnit.InboundQueue); + if (Index == 0xFFFFFFFFL) + Index = rx_readl(dev, MUnit.InboundQueue); + dprintk((KERN_DEBUG "Index = 0x%x\n", Index)); + if (Index == 0xFFFFFFFFL) + return Index; + device += Index; + dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff), + (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size))); + writel((u32)(addr & 0xffffffff), device); + device += sizeof(u32); + writel((u32)(addr >> 32), device); + device += sizeof(u32); + writel(le16_to_cpu(fib->hw_fib->header.Size), device); + rx_writel(dev, MUnit.InboundQueue, Index); + dprintk((KERN_DEBUG "aac_rx_send - return 0\n")); + return 0; +} + +/** * aac_rx_init - initialize an i960 based AAC card * @dev: device to configure * @@ -368,13 +415,8 @@ int aac_rx_init(struct aac_dev *dev) name = dev->name; /* - * Map in the registers from the adapter. + * Check to see if the board panic'd while booting. */ - if((dev->regs.rx = ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL) - { - printk(KERN_WARNING "aacraid: unable to map i960.\n" ); - return -1; - } /* * Check to see if the board failed any self tests. */ @@ -426,6 +468,7 @@ int aac_rx_init(struct aac_dev *dev) dev->a_ops.adapter_notify = aac_rx_notify_adapter; dev->a_ops.adapter_sync_cmd = rx_sync_cmd; dev->a_ops.adapter_check_health = aac_rx_check_health; + dev->a_ops.adapter_send = aac_rx_send; /* * First clear out all interrupts. Then enable the one's that we @@ -437,15 +480,9 @@ int aac_rx_init(struct aac_dev *dev) if (aac_init_adapter(dev) == NULL) goto error_irq; - /* - * Start any kernel threads needed - */ - dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0); - if(dev->thread_pid < 0) - { - printk(KERN_ERR "aacraid: Unable to create rx thread.\n"); - goto error_kfree; - } + if (dev->new_comm_interface) + rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7); + /* * Tell the adapter that all is configured, and it can start * accepting requests @@ -453,15 +490,11 @@ int aac_rx_init(struct aac_dev *dev) aac_rx_start_adapter(dev); return 0; -error_kfree: - kfree(dev->queues); - error_irq: rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff); free_irq(dev->scsi_host_ptr->irq, (void *)dev); error_iounmap: - iounmap(dev->regs.rx); return -1; } diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index 3900abc5850d..8b9596209164 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -237,29 +237,16 @@ static void aac_sa_interrupt_adapter (struct aac_dev *dev) static void aac_sa_start_adapter(struct aac_dev *dev) { - u32 ret; struct aac_init *init; /* * Fill in the remaining pieces of the init. */ init = dev->init; init->HostElapsedSeconds = cpu_to_le32(get_seconds()); - - /* - * Tell the adapter we are back and up and running so it will scan its command - * queues and enable our interrupts - */ - dev->irq_mask = (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4); - /* - * First clear out all interrupts. Then enable the one's that - * we can handle. - */ - sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff); - sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 | DOORBELL_2 | DOORBELL_3 | DOORBELL_4)); /* We can only use a 32 bit address here */ sa_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, 0, 0, 0, 0, 0, - &ret, NULL, NULL, NULL, NULL); + NULL, NULL, NULL, NULL, NULL); } /** @@ -314,15 +301,6 @@ int aac_sa_init(struct aac_dev *dev) name = dev->name; /* - * Map in the registers from the adapter. - */ - - if((dev->regs.sa = ioremap((unsigned long)dev->scsi_host_ptr->base, 8192))==NULL) - { - printk(KERN_WARNING "aacraid: unable to map ARM.\n" ); - goto error_iounmap; - } - /* * Check to see if the board failed any self tests. */ if (sa_readl(dev, Mailbox7) & SELF_TEST_FAILED) { @@ -378,31 +356,17 @@ int aac_sa_init(struct aac_dev *dev) goto error_irq; /* - * Start any kernel threads needed - */ - dev->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, dev, 0); - if (dev->thread_pid < 0) { - printk(KERN_ERR "aacraid: Unable to create command thread.\n"); - goto error_kfree; - } - - /* * Tell the adapter that all is configure, and it can start * accepting requests */ aac_sa_start_adapter(dev); return 0; - -error_kfree: - kfree(dev->queues); - error_irq: sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff); free_irq(dev->scsi_host_ptr->irq, (void *)dev); error_iounmap: - iounmap(dev->regs.sa); return -1; } |