[SCSI] aacraid: Reset adapter in recovery timeout

Received from Mark Salyzyn

If the adapter is in blinkled (Firmware Assert) when error recovery
timeout actions have been triggered, perform an adapter warm reset and
restart the initialization.

Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 27 insertions, 12 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 699351c..37c55dd 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -175,7 +175,7 @@ MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size.
  *
  *	Query config status, and commit the configuration if needed.
  */
-int aac_get_config_status(struct aac_dev *dev)
+int aac_get_config_status(struct aac_dev *dev, int commit_flag)
 {
 	int status = 0;
 	struct fib * fibptr;
@@ -219,7 +219,7 @@ int aac_get_config_status(struct aac_dev *dev)
 	aac_fib_complete(fibptr);
 	/* Send a CT_COMMIT_CONFIG to enable discovery of devices */
 	if (status >= 0) {
-		if (commit == 1) {
+		if ((commit == 1) || commit_flag) {
 			struct aac_commit_config * dinfo;
 			aac_fib_init(fibptr);
 			dinfo = (struct aac_commit_config *) fib_data(fibptr);
@@ -784,8 +784,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
 		dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount);
 	}
 
-	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
-	printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", 
+	if (!dev->in_reset) {
+		tmp = le32_to_cpu(dev->adapter_info.kernelrev);
+		printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
 			dev->name, 
 			dev->id,
 			tmp>>24,
@@ -794,20 +795,21 @@ int aac_get_adapter_info(struct aac_dev* dev)
 			le32_to_cpu(dev->adapter_info.kernelbuild),
 			(int)sizeof(dev->supplement_adapter_info.BuildDate),
 			dev->supplement_adapter_info.BuildDate);
-	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
-	printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n", 
+		tmp = le32_to_cpu(dev->adapter_info.monitorrev);
+		printk(KERN_INFO "%s%d: monitor %d.%d-%d[%d]\n",
 			dev->name, dev->id,
 			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 			le32_to_cpu(dev->adapter_info.monitorbuild));
-	tmp = le32_to_cpu(dev->adapter_info.biosrev);
-	printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n", 
+		tmp = le32_to_cpu(dev->adapter_info.biosrev);
+		printk(KERN_INFO "%s%d: bios %d.%d-%d[%d]\n",
 			dev->name, dev->id,
 			tmp>>24,(tmp>>16)&0xff,tmp&0xff,
 			le32_to_cpu(dev->adapter_info.biosbuild));
-	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-		printk(KERN_INFO "%s%d: serial %x\n",
-			dev->name, dev->id,
-			le32_to_cpu(dev->adapter_info.serial[0]));
+		if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
+			printk(KERN_INFO "%s%d: serial %x\n",
+				dev->name, dev->id,
+				le32_to_cpu(dev->adapter_info.serial[0]));
+	}
 
 	dev->nondasd_support = 0;
 	dev->raid_scsi_mode = 0;
@@ -1417,6 +1419,9 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd, int cid)
 		return SCSI_MLQUEUE_DEVICE_BUSY;
 
 	aac = (struct aac_dev *)scsicmd->device->host->hostdata;
+	if (aac->in_reset)
+		return SCSI_MLQUEUE_HOST_BUSY;
+
 	/*
 	 *	Allocate and initialize a Fib
 	 */
@@ -1504,6 +1509,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 				case INQUIRY:
 				case READ_CAPACITY:
 				case TEST_UNIT_READY:
+					if (dev->in_reset)
+						return -1;
 					spin_unlock_irq(host->host_lock);
 					aac_probe_container(dev, cid);
 					if ((fsa_dev_ptr[cid].valid & 1) == 0)
@@ -1529,6 +1536,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 			}
 		} else {  /* check for physical non-dasd devices */
 			if(dev->nondasd_support == 1){
+				if (dev->in_reset)
+					return -1;
 				return aac_send_srb_fib(scsicmd);
 			} else {
 				scsicmd->result = DID_NO_CONNECT << 16;
@@ -1584,6 +1593,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 			scsicmd->scsi_done(scsicmd);
 			return 0;
 		}
+		if (dev->in_reset)
+			return -1;
 		setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
 		inq_data.inqd_pdt = INQD_PDT_DA;	/* Direct/random access device */
 		aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
@@ -1739,6 +1750,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		case READ_10:
 		case READ_12:
 		case READ_16:
+			if (dev->in_reset)
+				return -1;
 			/*
 			 *	Hack to keep track of ordinal number of the device that
 			 *	corresponds to a container. Needed to convert
@@ -1757,6 +1770,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 		case WRITE_10:
 		case WRITE_12:
 		case WRITE_16:
+			if (dev->in_reset)
+				return -1;
 			return aac_write(scsicmd, cid);
 
 		case SYNCHRONIZE_CACHE: