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Diffstat (limited to 'drivers/fc4')
-rw-r--r--drivers/fc4/fc.c41
-rw-r--r--drivers/fc4/fcp_impl.h2
2 files changed, 16 insertions, 27 deletions
diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c
index 22b62b3cd14..82de9e1adb1 100644
--- a/drivers/fc4/fc.c
+++ b/drivers/fc4/fc.c
@@ -427,15 +427,10 @@ static inline void fcp_scsi_receive(fc_channel *fc, int token, int status, fc_hd
memcpy(SCpnt->sense_buffer, ((char *)(rsp+1)), sense_len);
}
- if (fcmd->data) {
- if (SCpnt->use_sg)
- dma_unmap_sg(fc->dev, (struct scatterlist *)SCpnt->request_buffer,
- SCpnt->use_sg,
- SCpnt->sc_data_direction);
- else
- dma_unmap_single(fc->dev, fcmd->data, SCpnt->request_bufflen,
- SCpnt->sc_data_direction);
- }
+ if (fcmd->data)
+ dma_unmap_sg(fc->dev, scsi_sglist(SCpnt),
+ scsi_sg_count(SCpnt),
+ SCpnt->sc_data_direction);
break;
default:
host_status=DID_ERROR; /* FIXME */
@@ -793,10 +788,14 @@ static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt,
fcp_cntl = FCP_CNTL_QTYPE_SIMPLE;
} else
fcp_cntl = FCP_CNTL_QTYPE_UNTAGGED;
- if (!SCpnt->request_bufflen && !SCpnt->use_sg) {
+
+ if (!scsi_bufflen(SCpnt)) {
cmd->fcp_cntl = fcp_cntl;
fcmd->data = (dma_addr_t)NULL;
} else {
+ struct scatterlist *sg;
+ int nents;
+
switch (SCpnt->cmnd[0]) {
case WRITE_6:
case WRITE_10:
@@ -805,22 +804,12 @@ static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt,
default:
cmd->fcp_cntl = (FCP_CNTL_READ | fcp_cntl); break;
}
- if (!SCpnt->use_sg) {
- cmd->fcp_data_len = SCpnt->request_bufflen;
- fcmd->data = dma_map_single (fc->dev, (char *)SCpnt->request_buffer,
- SCpnt->request_bufflen,
- SCpnt->sc_data_direction);
- } else {
- struct scatterlist *sg = (struct scatterlist *)SCpnt->request_buffer;
- int nents;
-
- FCD(("XXX: Use_sg %d %d\n", SCpnt->use_sg, sg->length))
- nents = dma_map_sg (fc->dev, sg, SCpnt->use_sg,
- SCpnt->sc_data_direction);
- if (nents > 1) printk ("%s: SG for nents %d (use_sg %d) not handled yet\n", fc->name, nents, SCpnt->use_sg);
- fcmd->data = sg_dma_address(sg);
- cmd->fcp_data_len = sg_dma_len(sg);
- }
+
+ sg = scsi_sglist(SCpnt);
+ nents = dma_map_sg(fc->dev, sg, scsi_sg_count(SCpnt),
+ SCpnt->sc_data_direction);
+ fcmd->data = sg_dma_address(sg);
+ cmd->fcp_data_len = sg_dma_len(sg);
}
memcpy (cmd->fcp_cdb, SCpnt->cmnd, SCpnt->cmd_len);
memset (cmd->fcp_cdb+SCpnt->cmd_len, 0, sizeof(cmd->fcp_cdb)-SCpnt->cmd_len);
diff --git a/drivers/fc4/fcp_impl.h b/drivers/fc4/fcp_impl.h
index 1ac61330592..506338a461b 100644
--- a/drivers/fc4/fcp_impl.h
+++ b/drivers/fc4/fcp_impl.h
@@ -91,7 +91,7 @@ typedef struct _fc_channel {
fcp_cmd *scsi_cmd_pool;
char *scsi_rsp_pool;
dma_addr_t dma_scsi_cmd, dma_scsi_rsp;
- long *scsi_bitmap;
+ unsigned long *scsi_bitmap;
long scsi_bitmap_end;
int scsi_free;
int (*encode_addr)(struct scsi_cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *);