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-rw-r--r--drivers/scsi/aacraid/aachba.c22
-rw-r--r--drivers/scsi/aacraid/aacraid.h9
-rw-r--r--drivers/scsi/aacraid/comminit.c43
-rw-r--r--drivers/scsi/aacraid/commsup.c39
-rw-r--r--drivers/scsi/aacraid/dpcsup.c7
-rw-r--r--drivers/scsi/aacraid/linit.c4
-rw-r--r--drivers/scsi/aacraid/src.c3
7 files changed, 78 insertions, 49 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 7dfd0fa27255..6678d1fd897b 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -555,8 +555,6 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd)
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
- if (!cmd_fibcontext)
- return -ENOMEM;
aac_fib_init(cmd_fibcontext);
dinfo = (struct aac_get_name *) fib_data(cmd_fibcontext);
@@ -1037,8 +1035,6 @@ static int aac_get_container_serial(struct scsi_cmnd * scsicmd)
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
- if (!cmd_fibcontext)
- return -ENOMEM;
aac_fib_init(cmd_fibcontext);
dinfo = (struct aac_get_serial *) fib_data(cmd_fibcontext);
@@ -1950,10 +1946,6 @@ static int aac_read(struct scsi_cmnd * scsicmd)
* Alocate and initialize a Fib
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
- if (!cmd_fibcontext) {
- printk(KERN_WARNING "aac_read: fib allocation failed\n");
- return -1;
- }
status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
@@ -2048,16 +2040,6 @@ static int aac_write(struct scsi_cmnd * scsicmd)
* Allocate and initialize a Fib then setup a BlockWrite command
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
- if (!cmd_fibcontext) {
- /* FIB temporarily unavailable,not catastrophic failure */
-
- /* scsicmd->result = DID_ERROR << 16;
- * scsicmd->scsi_done(scsicmd);
- * return 0;
- */
- printk(KERN_WARNING "aac_write: fib allocation failed\n");
- return -1;
- }
status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count, fua);
@@ -2283,8 +2265,6 @@ static int aac_start_stop(struct scsi_cmnd *scsicmd)
* Allocate and initialize a Fib
*/
cmd_fibcontext = aac_fib_alloc_tag(aac, scsicmd);
- if (!cmd_fibcontext)
- return SCSI_MLQUEUE_HOST_BUSY;
aac_fib_init(cmd_fibcontext);
@@ -3184,8 +3164,6 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
* Allocate and initialize a Fib then setup a BlockWrite command
*/
cmd_fibcontext = aac_fib_alloc_tag(dev, scsicmd);
- if (!cmd_fibcontext)
- return -1;
status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index efa493cf1bc6..8f90d9e77104 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -29,6 +29,7 @@ enum {
#define AAC_INT_MODE_MSI (1<<1)
#define AAC_INT_MODE_AIF (1<<2)
#define AAC_INT_MODE_SYNC (1<<3)
+#define AAC_INT_MODE_MSIX (1<<16)
#define AAC_INT_ENABLE_TYPE1_INTX 0xfffffffb
#define AAC_INT_ENABLE_TYPE1_MSIX 0xfffffffa
@@ -62,7 +63,7 @@ enum {
#define PMC_GLOBAL_INT_BIT0 0x00000001
#ifndef AAC_DRIVER_BUILD
-# define AAC_DRIVER_BUILD 41052
+# define AAC_DRIVER_BUILD 41066
# define AAC_DRIVER_BRANCH "-ms"
#endif
#define MAXIMUM_NUM_CONTAINERS 32
@@ -720,7 +721,7 @@ struct sa_registers {
};
-#define Sa_MINIPORT_REVISION 1
+#define SA_INIT_NUM_MSIXVECTORS 1
#define sa_readw(AEP, CSR) readl(&((AEP)->regs.sa->CSR))
#define sa_readl(AEP, CSR) readl(&((AEP)->regs.sa->CSR))
@@ -2065,6 +2066,10 @@ extern struct aac_common aac_config;
#define AifEnAddJBOD 30 /* JBOD created */
#define AifEnDeleteJBOD 31 /* JBOD deleted */
+#define AifBuManagerEvent 42 /* Bu management*/
+#define AifBuCacheDataLoss 10
+#define AifBuCacheDataRecover 11
+
#define AifCmdJobProgress 2 /* Progress report */
#define AifJobCtrZero 101 /* Array Zero progress */
#define AifJobStsSuccess 1 /* Job completes */
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 2b4e75380ae6..341ea327ae79 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -37,6 +37,7 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/delay.h>
#include <linux/completion.h>
#include <linux/mm.h>
#include <scsi/scsi_host.h>
@@ -47,6 +48,20 @@ struct aac_common aac_config = {
.irq_mod = 1
};
+static inline int aac_is_msix_mode(struct aac_dev *dev)
+{
+ u32 status;
+
+ status = src_readl(dev, MUnit.OMR);
+ return (status & AAC_INT_MODE_MSIX);
+}
+
+static inline void aac_change_to_intx(struct aac_dev *dev)
+{
+ aac_src_access_devreg(dev, AAC_DISABLE_MSIX);
+ aac_src_access_devreg(dev, AAC_ENABLE_INTX);
+}
+
static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
{
unsigned char *base;
@@ -91,7 +106,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION);
if (dev->max_fib_size != sizeof(struct hw_fib))
init->InitStructRevision = cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4);
- init->Sa_MSIXVectors = cpu_to_le32(Sa_MINIPORT_REVISION);
+ init->Sa_MSIXVectors = cpu_to_le32(SA_INIT_NUM_MSIXVECTORS);
init->fsrev = cpu_to_le32(dev->fsrev);
/*
@@ -378,21 +393,8 @@ void aac_define_int_mode(struct aac_dev *dev)
msi_count = i;
} else {
dev->msi_enabled = 0;
- printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
- dev->name, dev->id, i);
- }
- }
-
- if (!dev->msi_enabled) {
- msi_count = 1;
- i = pci_enable_msi(dev->pdev);
-
- if (!i) {
- dev->msi_enabled = 1;
- dev->msi = 1;
- } else {
- printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
- dev->name, dev->id, i);
+ dev_err(&dev->pdev->dev,
+ "MSIX not supported!! Will try INTX 0x%x.\n", i);
}
}
@@ -427,6 +429,15 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
dev->comm_interface = AAC_COMM_PRODUCER;
dev->raw_io_interface = dev->raw_io_64 = 0;
+
+ /*
+ * Enable INTX mode, if not done already Enabled
+ */
+ if (aac_is_msix_mode(dev)) {
+ aac_change_to_intx(dev);
+ dev_info(&dev->pdev->dev, "Changed firmware to INTX mode");
+ }
+
if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
0, 0, 0, 0, 0, 0,
status+0, status+1, status+2, status+3, NULL)) &&
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 511bbc575062..0aeecec1f5ea 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -637,10 +637,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
}
return -EFAULT;
}
- /* We used to udelay() here but that absorbed
- * a CPU when a timeout occured. Not very
- * useful. */
- cpu_relax();
+ /*
+ * Allow other processes / CPUS to use core
+ */
+ schedule();
}
} else if (down_interruptible(&fibptr->event_wait)) {
/* Do nothing ... satisfy
@@ -901,6 +901,31 @@ void aac_printf(struct aac_dev *dev, u32 val)
memset(cp, 0, 256);
}
+static inline int aac_aif_data(struct aac_aifcmd *aifcmd, uint32_t index)
+{
+ return le32_to_cpu(((__le32 *)aifcmd->data)[index]);
+}
+
+
+static void aac_handle_aif_bu(struct aac_dev *dev, struct aac_aifcmd *aifcmd)
+{
+ switch (aac_aif_data(aifcmd, 1)) {
+ case AifBuCacheDataLoss:
+ if (aac_aif_data(aifcmd, 2))
+ dev_info(&dev->pdev->dev, "Backup unit had cache data loss - [%d]\n",
+ aac_aif_data(aifcmd, 2));
+ else
+ dev_info(&dev->pdev->dev, "Backup Unit had cache data loss\n");
+ break;
+ case AifBuCacheDataRecover:
+ if (aac_aif_data(aifcmd, 2))
+ dev_info(&dev->pdev->dev, "DDR cache data recovered successfully - [%d]\n",
+ aac_aif_data(aifcmd, 2));
+ else
+ dev_info(&dev->pdev->dev, "DDR cache data recovered successfully\n");
+ break;
+ }
+}
/**
* aac_handle_aif - Handle a message from the firmware
@@ -1154,6 +1179,8 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
ADD : DELETE;
break;
}
+ case AifBuManagerEvent:
+ aac_handle_aif_bu(dev, aifcmd);
break;
}
@@ -1996,6 +2023,10 @@ int aac_command_thread(void *data)
if (difference <= 0)
difference = 1;
set_current_state(TASK_INTERRUPTIBLE);
+
+ if (kthread_should_stop())
+ break;
+
schedule_timeout(difference);
if (kthread_should_stop())
diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c
index d677b52860ae..7e836205aef1 100644
--- a/drivers/scsi/aacraid/dpcsup.c
+++ b/drivers/scsi/aacraid/dpcsup.c
@@ -392,9 +392,10 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
if (likely(fib->callback && fib->callback_data)) {
fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
fib->callback(fib->callback_data, fib);
- } else {
- aac_fib_complete(fib);
- }
+ } else
+ dev_info(&dev->pdev->dev,
+ "Invalid callback_fib[%d] (*%p)(%p)\n",
+ index, fib->callback, fib->callback_data);
} else {
unsigned long flagv;
dprintk((KERN_INFO "event_wait up\n"));
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index ff6caab8cc8b..a943bd230bc2 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1299,6 +1299,8 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
else
shost->this_id = shost->max_id;
+ aac_intr_normal(aac, 0, 2, 0, NULL);
+
/*
* dmb - we may need to move the setting of these parms somewhere else once
* we get a fib that can report the actual numbers
@@ -1431,8 +1433,8 @@ static int aac_acquire_resources(struct aac_dev *dev)
/* After EEH recovery or suspend resume, max_msix count
* may change, therfore updating in init as well.
*/
- aac_adapter_start(dev);
dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
+ aac_adapter_start(dev);
}
return 0;
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index bc0203f3d243..28f8b8a1b8a4 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -135,7 +135,8 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id)
if (mode & AAC_INT_MODE_AIF) {
/* handle AIF */
- aac_intr_normal(dev, 0, 2, 0, NULL);
+ if (dev->aif_thread && dev->fsa_dev)
+ aac_intr_normal(dev, 0, 2, 0, NULL);
if (dev->msi_enabled)
aac_src_access_devreg(dev, AAC_CLEAR_AIF_BIT);
mode = 0;