[SCSI] NCR5380: Use scsi_eh API for REQUEST_SENSE invocation

  - Use new scsi_eh_prep/restor_cmnd() for synchronous
    REQUEST_SENSE invocation.

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

4 files changed, 31 insertions, 40 deletions

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 5b27966d37f0..988f0bc5eda5 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -1542,9 +1542,7 @@ part2:
         hostdata->connected = cmd;
         hostdata->busy[cmd->device->id] |= (1 << cmd->device->lun);
 
-        if (cmd->SCp.ptr != (char *)cmd->sense_buffer) {
-                initialize_SCp(cmd);
-        }
+        initialize_SCp(cmd);
 
         return 0;
 
@@ -2280,19 +2278,16 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance) {
                                                 cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
 
 #ifdef AUTOSENSE
+                                        if ((cmd->cmnd[0] == REQUEST_SENSE) &&
+                                                hostdata->ses.cmd_len) {
+                                                scsi_eh_restore_cmnd(cmd, &hostdata->ses);
+                                                hostdata->ses.cmd_len = 0 ;
+                                        }
+
                                         if ((cmd->cmnd[0] != REQUEST_SENSE) && (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
+                                                scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0);
+
                                                 dprintk(NDEBUG_AUTOSENSE, ("scsi%d : performing request sense\n", instance->host_no));
-                                                cmd->cmnd[0] = REQUEST_SENSE;
-                                                cmd->cmnd[1] &= 0xe0;
-                                                cmd->cmnd[2] = 0;
-                                                cmd->cmnd[3] = 0;
-                                                cmd->cmnd[4] = sizeof(cmd->sense_buffer);
-                                                cmd->cmnd[5] = 0;
-
-                                                cmd->SCp.buffer = NULL;
-                                                cmd->SCp.buffers_residual = 0;
-                                                cmd->SCp.ptr = (char *) cmd->sense_buffer;
-                                                cmd->SCp.this_residual = sizeof(cmd->sense_buffer);
 
                                                 LIST(cmd, hostdata->issue_queue);
                                                 cmd->host_scribble = (unsigned char *)
diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h
index bccf13f71532..bdc468c9e1d9 100644
--- a/drivers/scsi/NCR5380.h
+++ b/drivers/scsi/NCR5380.h
@@ -30,6 +30,10 @@
 
 #include <linux/interrupt.h>
 
+#ifdef AUTOSENSE
+#include <scsi/scsi_eh.h>
+#endif
+
 #define NCR5380_PUBLIC_RELEASE 7
 #define NCR53C400_PUBLIC_RELEASE 2
 
@@ -281,6 +285,9 @@ struct NCR5380_hostdata {
         unsigned pendingr;
         unsigned pendingw;
 #endif
+#ifdef AUTOSENSE
+        struct scsi_eh_save ses;
+#endif
 };
 
 #ifdef __KERNEL__
diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index 743df4c20cf4..52d0b87e9aa4 100644
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -2235,24 +2235,17 @@ static void NCR5380_information_transfer(struct Scsi_Host *instance)
                                                 cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
 
 #ifdef AUTOSENSE
+                                        if ((cmd->cmnd[0] == REQUEST_SENSE) &&
+                                                hostdata->ses.cmd_len) {
+                                                scsi_eh_restore_cmnd(cmd, &hostdata->ses);
+                                                hostdata->ses.cmd_len = 0 ;
+                                        }
+
                                         if ((cmd->cmnd[0] != REQUEST_SENSE) &&
                                             (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
+                                                scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0);
+
                                                 ASEN_PRINTK("scsi%d: performing request sense\n", HOSTNO);
-                                                cmd->cmnd[0] = REQUEST_SENSE;
-                                                cmd->cmnd[1] &= 0xe0;
-                                                cmd->cmnd[2] = 0;
-                                                cmd->cmnd[3] = 0;
-                                                cmd->cmnd[4] = sizeof(cmd->sense_buffer);
-                                                cmd->cmnd[5] = 0;
-                                                cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
-
-                                                cmd->use_sg = 0;
-                                                /* this is initialized from initialize_SCp
-                                                cmd->SCp.buffer = NULL;
-                                                cmd->SCp.buffers_residual = 0;
-                                                */
-                                                cmd->request_buffer = (char *) cmd->sense_buffer;
-                                                cmd->request_bufflen = sizeof(cmd->sense_buffer);
 
                                                 local_irq_save(flags);
                                                 LIST(cmd,hostdata->issue_queue);
diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 376953776ea3..dc15a22105f7 100644
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -2254,25 +2254,21 @@ static void NCR5380_information_transfer (struct Scsi_Host *instance)
                         cmd->result = (cmd->result & 0x00ffff) | (DID_ERROR << 16);
                     
 #ifdef AUTOSENSE
+                    if ((cmd->cmnd[0] == REQUEST_SENSE) &&
+                                                hostdata->ses.cmd_len) {
+                        scsi_eh_restore_cmnd(cmd, &hostdata->ses);
+                        hostdata->ses.cmd_len = 0 ;
+                    }
+
                     if ((cmd->cmnd[0] != REQUEST_SENSE) && 
                         (status_byte(cmd->SCp.Status) == CHECK_CONDITION)) {
+                        scsi_eh_prep_cmnd(cmd, &hostdata->ses, NULL, 0, ~0);
                         ASEN_PRINTK("scsi%d: performing request sense\n",
                                     HOSTNO);
-                        cmd->cmnd[0] = REQUEST_SENSE;
-                        cmd->cmnd[1] &= 0xe0;
-                        cmd->cmnd[2] = 0;
-                        cmd->cmnd[3] = 0;
-                        cmd->cmnd[4] = sizeof(cmd->sense_buffer);
-                        cmd->cmnd[5] = 0;
-                        cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
-
-                        cmd->use_sg = 0;
                         /* this is initialized from initialize_SCp 
                         cmd->SCp.buffer = NULL;
                         cmd->SCp.buffers_residual = 0;
                         */
-                        cmd->request_buffer = (char *) cmd->sense_buffer;
-                        cmd->request_bufflen = sizeof(cmd->sense_buffer);
 
                         local_irq_save(flags);
                         LIST(cmd,hostdata->issue_queue);