Received from Mark Salyzyn
The loss of the ownership flags, despite their flaws, in the scsi
command were sorely missed and are reinstated more accurately in the
aacraid driver to track commands and permit us to properly handle error
recovery actions.
Signed-off-by: Mark Haverkamp <markh@xxxxxxxx>
---
Applies to the scsi-misc-2.6 git tree.
--- scsi-misc-aac.orig/drivers/scsi/aacraid/aachba.c 2006-03-22 11:17:34.000000000 -0800
+++ scsi-misc-aac/drivers/scsi/aacraid/aachba.c 2006-03-22 11:17:41.000000000 -0800
@@ -386,6 +386,7 @@
struct scsi_cmnd * scsicmd;
scsicmd = (struct scsi_cmnd *) context;
+ scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
if (fibptr == NULL)
@@ -452,8 +453,10 @@
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS)
+ if (status == -EINPROGRESS) {
+ 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);
@@ -906,6 +909,7 @@
u32 cid;
scsicmd = (struct scsi_cmnd *) context;
+ scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
cid = scmd_id(scsicmd);
@@ -1150,8 +1154,10 @@
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS)
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
return 0;
+ }
printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status);
/*
@@ -1317,8 +1323,8 @@
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS)
- {
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
return 0;
}
@@ -1340,6 +1346,7 @@
struct scsi_cmnd *cmd;
cmd = context;
+ cmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dprintk((KERN_DEBUG "synchronize_callback[cpu %d]: t = %ld.\n",
smp_processor_id(), jiffies));
@@ -1385,12 +1392,12 @@
unsigned long flags;
/*
- * Wait for all commands to complete to this specific
- * target (block).
+ * Wait for all outstanding queued commands to complete to this
+ * specific target (block).
*/
spin_lock_irqsave(&sdev->list_lock, flags);
list_for_each_entry(cmd, &sdev->cmd_list, list)
- if (cmd != scsicmd && cmd->serial_number != 0) {
+ if (cmd != scsicmd && cmd->SCp.phase == AAC_OWNER_FIRMWARE) {
++active;
break;
}
@@ -1433,8 +1440,10 @@
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS)
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
return 0;
+ }
printk(KERN_WARNING
"aac_synchronize: aac_fib_send failed with status: %d.\n", status);
@@ -1457,7 +1466,6 @@
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;
- int ret;
/*
* If the bus, id or lun is out of range, return fail
@@ -1728,24 +1736,19 @@
* containers to /dev/sd device names
*/
- spin_unlock_irq(host->host_lock);
if (scsicmd->request->rq_disk)
strlcpy(fsa_dev_ptr[cid].devname,
scsicmd->request->rq_disk->disk_name,
min(sizeof(fsa_dev_ptr[cid].devname),
sizeof(scsicmd->request->rq_disk->disk_name) + 1));
- ret = aac_read(scsicmd, cid);
- spin_lock_irq(host->host_lock);
- return ret;
+
+ return aac_read(scsicmd, cid);
case WRITE_6:
case WRITE_10:
case WRITE_12:
case WRITE_16:
- spin_unlock_irq(host->host_lock);
- ret = aac_write(scsicmd, cid);
- spin_lock_irq(host->host_lock);
- return ret;
+ return aac_write(scsicmd, cid);
case SYNCHRONIZE_CACHE:
/* Issue FIB to tell Firmware to flush it's cache */
@@ -1890,6 +1893,7 @@
struct scsi_cmnd *scsicmd;
scsicmd = (struct scsi_cmnd *) context;
+ scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
if (fibptr == NULL)
@@ -2161,7 +2165,8 @@
/*
* Check that the command queued to the controller
*/
- if (status == -EINPROGRESS){
+ if (status == -EINPROGRESS) {
+ scsicmd->SCp.phase = AAC_OWNER_FIRMWARE;
return 0;
}
--- scsi-misc-aac.orig/drivers/scsi/aacraid/aacraid.h 2006-03-22 11:17:34.000000000 -0800
+++ scsi-misc-aac/drivers/scsi/aacraid/aacraid.h 2006-03-22 11:17:41.000000000 -0800
@@ -1770,6 +1770,11 @@
}
struct scsi_cmnd;
+/* SCp.phase values */
+#define AAC_OWNER_MIDLEVEL 0x101
+#define AAC_OWNER_LOWLEVEL 0x102
+#define AAC_OWNER_ERROR_HANDLER 0x103
+#define AAC_OWNER_FIRMWARE 0x106
const char *aac_driverinfo(struct Scsi_Host *);
struct fib *aac_fib_alloc(struct aac_dev *dev);
--- scsi-misc-aac.orig/drivers/scsi/aacraid/linit.c 2006-03-22 11:12:24.000000000 -0800
+++ scsi-misc-aac/drivers/scsi/aacraid/linit.c 2006-03-22 11:17:41.000000000 -0800
@@ -242,6 +242,7 @@
static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
{
cmd->scsi_done = done;
+ cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
return (aac_scsi_cmd(cmd) ? FAILED : 0);
}
@@ -470,7 +471,8 @@
__shost_for_each_device(dev, host) {
spin_lock_irqsave(&dev->list_lock, flags);
list_for_each_entry(command, &dev->cmd_list, list) {
- if (command->serial_number) {
+ if ((command != cmd) &&
+ (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
active++;
break;
}
--
Mark Haverkamp <markh@xxxxxxxx>
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