[SCSI] NCR5380 family: convert to accessors & !use_sg cleanup

  - This patch depends on:
      NCR5380: Use scsi_eh API for REQUEST_SENSE invocation
  - convert to accessors and !use_sg cleanup
  - FIXME: Not sg-chain ready look for ++cmd->SCp.buffer

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

diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 2597209..1e9f828 100644 (file)
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -295,16 +295,16 @@ static __inline__ void initialize_SCp(Scsi_Cmnd * cmd)
         * various queues are valid.
         */
 
-       if (cmd->use_sg) {
-               cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
-               cmd->SCp.buffers_residual = cmd->use_sg - 1;
+       if (scsi_bufflen(cmd)) {
+               cmd->SCp.buffer = scsi_sglist(cmd);
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
                cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                cmd->SCp.this_residual = cmd->SCp.buffer->length;
        } else {
                cmd->SCp.buffer = NULL;
                cmd->SCp.buffers_residual = 0;
-               cmd->SCp.ptr = (char *) cmd->request_buffer;
-               cmd->SCp.this_residual = cmd->request_bufflen;
+               cmd->SCp.ptr = NULL;
+               cmd->SCp.this_residual = 0;
        }
 }
 
@@ -975,14 +975,14 @@ static int NCR5380_queue_command(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
                case WRITE_6:
                case WRITE_10:
                        hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
-                       hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
+                       hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);
                        hostdata->pendingw++;
                        break;
                case READ:
                case READ_6:
                case READ_10:
                        hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
-                       hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
+                       hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);
                        hostdata->pendingr++;
                        break;
        }

diff --git a/drivers/scsi/atari_NCR5380.c b/drivers/scsi/atari_NCR5380.c
index a9680b5..d2ca3fa 100644 (file)
--- a/drivers/scsi/atari_NCR5380.c
+++ b/drivers/scsi/atari_NCR5380.c
@@ -511,9 +511,9 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd)
         * various queues are valid.
         */
 
-       if (cmd->use_sg) {
-               cmd->SCp.buffer = (struct scatterlist *)cmd->request_buffer;
-               cmd->SCp.buffers_residual = cmd->use_sg - 1;
+       if (scsi_bufflen(cmd)) {
+               cmd->SCp.buffer = scsi_sglist(cmd);
+               cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
                cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
                cmd->SCp.this_residual = cmd->SCp.buffer->length;
                /* ++roman: Try to merge some scatter-buffers if they are at
@@ -523,8 +523,8 @@ static inline void initialize_SCp(Scsi_Cmnd *cmd)
        } else {
                cmd->SCp.buffer = NULL;
                cmd->SCp.buffers_residual = 0;
-               cmd->SCp.ptr = (char *)cmd->request_buffer;
-               cmd->SCp.this_residual = cmd->request_bufflen;
+               cmd->SCp.ptr = NULL;
+               cmd->SCp.this_residual = 0;
        }
 }
 
@@ -936,21 +936,21 @@ static int NCR5380_queue_command(Scsi_Cmnd *cmd, void (*done)(Scsi_Cmnd *))
        }
 # endif
 # ifdef NCR5380_STAT_LIMIT
-       if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+       if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
                switch (cmd->cmnd[0]) {
                case WRITE:
                case WRITE_6:
                case WRITE_10:
                        hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
-                       hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
+                       hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);
                        hostdata->pendingw++;
                        break;
                case READ:
                case READ_6:
                case READ_10:
                        hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
-                       hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
+                       hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);
                        hostdata->pendingr++;
                        break;
                }
@@ -1352,21 +1352,21 @@ static irqreturn_t NCR5380_intr(int irq, void *dev_id)
 static void collect_stats(struct NCR5380_hostdata* hostdata, Scsi_Cmnd *cmd)
 {
 # ifdef NCR5380_STAT_LIMIT
-       if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+       if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
                switch (cmd->cmnd[0]) {
                case WRITE:
                case WRITE_6:
                case WRITE_10:
                        hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
-                       /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/
+                       /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/
                        hostdata->pendingw--;
                        break;
                case READ:
                case READ_6:
                case READ_10:
                        hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
-                       /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/
+                       /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/
                        hostdata->pendingr--;
                        break;
                }

diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 2dcde37..264f14a 100644 (file)
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -515,9 +515,9 @@ static __inline__ void initialize_SCp(struct scsi_cmnd *cmd)
      * various queues are valid.
      */
 
-    if (cmd->use_sg) {
-       cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
-       cmd->SCp.buffers_residual = cmd->use_sg - 1;
+    if (scsi_bufflen(cmd)) {
+       cmd->SCp.buffer = scsi_sglist(cmd);
+       cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
        cmd->SCp.ptr = (char *) SGADDR(cmd->SCp.buffer);
        cmd->SCp.this_residual = cmd->SCp.buffer->length;
 
@@ -528,8 +528,8 @@ static __inline__ void initialize_SCp(struct scsi_cmnd *cmd)
     } else {
        cmd->SCp.buffer = NULL;
        cmd->SCp.buffers_residual = 0;
-       cmd->SCp.ptr = (char *) cmd->request_buffer;
-       cmd->SCp.this_residual = cmd->request_bufflen;
+       cmd->SCp.ptr = NULL;
+       cmd->SCp.this_residual = 0;
     }
     
 }
@@ -935,7 +935,7 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd,
     }
 # endif
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+    if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
        switch (cmd->cmnd[0])
        {
@@ -943,14 +943,14 @@ static int NCR5380_queue_command(struct scsi_cmnd *cmd,
            case WRITE_6:
            case WRITE_10:
                hostdata->time_write[cmd->device->id] -= (jiffies - hostdata->timebase);
-               hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;
+               hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);
                hostdata->pendingw++;
                break;
            case READ:
            case READ_6:
            case READ_10:
                hostdata->time_read[cmd->device->id] -= (jiffies - hostdata->timebase);
-               hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;
+               hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);
                hostdata->pendingr++;
                break;
        }
@@ -1345,7 +1345,7 @@ static void collect_stats(struct NCR5380_hostdata *hostdata,
                          struct scsi_cmnd *cmd)
 {
 # ifdef NCR5380_STAT_LIMIT
-    if (cmd->request_bufflen > NCR5380_STAT_LIMIT)
+    if (scsi_bufflen(cmd) > NCR5380_STAT_LIMIT)
 # endif
        switch (cmd->cmnd[0])
        {
@@ -1353,14 +1353,14 @@ static void collect_stats(struct NCR5380_hostdata *hostdata,
            case WRITE_6:
            case WRITE_10:
                hostdata->time_write[cmd->device->id] += (jiffies - hostdata->timebase);
-               /*hostdata->bytes_write[cmd->device->id] += cmd->request_bufflen;*/
+               /*hostdata->bytes_write[cmd->device->id] += scsi_bufflen(cmd);*/
                hostdata->pendingw--;
                break;
            case READ:
            case READ_6:
            case READ_10:
                hostdata->time_read[cmd->device->id] += (jiffies - hostdata->timebase);
-               /*hostdata->bytes_read[cmd->device->id] += cmd->request_bufflen;*/
+               /*hostdata->bytes_read[cmd->device->id] += scsi_bufflen(cmd);*/
                hostdata->pendingr--;
                break;
        }