summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/aacraid/commsup.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
-rw-r--r--drivers/scsi/aacraid/commsup.c39
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 56090f5..a8dd4b5 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -461,6 +461,35 @@ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw
return 0;
}
+#ifdef CONFIG_EEH
+static inline int aac_check_eeh_failure(struct aac_dev *dev)
+{
+ /* Check for an EEH failure for the given
+ * device node. Function eeh_dev_check_failure()
+ * returns 0 if there has not been an EEH error
+ * otherwise returns a non-zero value.
+ *
+ * Need to be called before any PCI operation,
+ * i.e.,before aac_adapter_check_health()
+ */
+ struct eeh_dev *edev = pci_dev_to_eeh_dev(dev->pdev);
+
+ if (eeh_dev_check_failure(edev)) {
+ /* The EEH mechanisms will handle this
+ * error and reset the device if
+ * necessary.
+ */
+ return 1;
+ }
+ return 0;
+}
+#else
+static inline int aac_check_eeh_failure(struct aac_dev *dev)
+{
+ return 0;
+}
+#endif
+
/*
* Define the highest level of host to adapter communication routines.
* These routines will support host to adapter FS commuication. These
@@ -496,7 +525,6 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
unsigned long mflags = 0;
unsigned long sflags = 0;
-
if (!(hw_fib->header.XferState & cpu_to_le32(HostOwned)))
return -EBUSY;
/*
@@ -662,6 +690,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
}
return -ETIMEDOUT;
}
+
+ if (aac_check_eeh_failure(dev))
+ return -EFAULT;
+
if ((blink = aac_adapter_check_health(dev)) > 0) {
if (wait == -1) {
printk(KERN_ERR "aacraid: aac_fib_send: adapter blinkLED 0x%x.\n"
@@ -755,7 +787,12 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback,
FIB_COUNTER_INCREMENT(aac_config.NativeSent);
if (wait) {
+
spin_unlock_irqrestore(&fibptr->event_lock, flags);
+
+ if (aac_check_eeh_failure(dev))
+ return -EFAULT;
+
/* Only set for first known interruptable command */
if (down_interruptible(&fibptr->event_wait)) {
fibptr->done = 2;
OpenPOWER on IntegriCloud