diff options
Diffstat (limited to 'drivers/fc4/fc.c')
-rw-r--r-- | drivers/fc4/fc.c | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c index 22b62b3cd14e..82de9e1adb1e 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 | |||
427 | memcpy(SCpnt->sense_buffer, ((char *)(rsp+1)), sense_len); | 427 | memcpy(SCpnt->sense_buffer, ((char *)(rsp+1)), sense_len); |
428 | } | 428 | } |
429 | 429 | ||
430 | if (fcmd->data) { | 430 | if (fcmd->data) |
431 | if (SCpnt->use_sg) | 431 | dma_unmap_sg(fc->dev, scsi_sglist(SCpnt), |
432 | dma_unmap_sg(fc->dev, (struct scatterlist *)SCpnt->request_buffer, | 432 | scsi_sg_count(SCpnt), |
433 | SCpnt->use_sg, | 433 | SCpnt->sc_data_direction); |
434 | SCpnt->sc_data_direction); | ||
435 | else | ||
436 | dma_unmap_single(fc->dev, fcmd->data, SCpnt->request_bufflen, | ||
437 | SCpnt->sc_data_direction); | ||
438 | } | ||
439 | break; | 434 | break; |
440 | default: | 435 | default: |
441 | host_status=DID_ERROR; /* FIXME */ | 436 | host_status=DID_ERROR; /* FIXME */ |
@@ -793,10 +788,14 @@ static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt, | |||
793 | fcp_cntl = FCP_CNTL_QTYPE_SIMPLE; | 788 | fcp_cntl = FCP_CNTL_QTYPE_SIMPLE; |
794 | } else | 789 | } else |
795 | fcp_cntl = FCP_CNTL_QTYPE_UNTAGGED; | 790 | fcp_cntl = FCP_CNTL_QTYPE_UNTAGGED; |
796 | if (!SCpnt->request_bufflen && !SCpnt->use_sg) { | 791 | |
792 | if (!scsi_bufflen(SCpnt)) { | ||
797 | cmd->fcp_cntl = fcp_cntl; | 793 | cmd->fcp_cntl = fcp_cntl; |
798 | fcmd->data = (dma_addr_t)NULL; | 794 | fcmd->data = (dma_addr_t)NULL; |
799 | } else { | 795 | } else { |
796 | struct scatterlist *sg; | ||
797 | int nents; | ||
798 | |||
800 | switch (SCpnt->cmnd[0]) { | 799 | switch (SCpnt->cmnd[0]) { |
801 | case WRITE_6: | 800 | case WRITE_6: |
802 | case WRITE_10: | 801 | case WRITE_10: |
@@ -805,22 +804,12 @@ static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt, | |||
805 | default: | 804 | default: |
806 | cmd->fcp_cntl = (FCP_CNTL_READ | fcp_cntl); break; | 805 | cmd->fcp_cntl = (FCP_CNTL_READ | fcp_cntl); break; |
807 | } | 806 | } |
808 | if (!SCpnt->use_sg) { | 807 | |
809 | cmd->fcp_data_len = SCpnt->request_bufflen; | 808 | sg = scsi_sglist(SCpnt); |
810 | fcmd->data = dma_map_single (fc->dev, (char *)SCpnt->request_buffer, | 809 | nents = dma_map_sg(fc->dev, sg, scsi_sg_count(SCpnt), |
811 | SCpnt->request_bufflen, | 810 | SCpnt->sc_data_direction); |
812 | SCpnt->sc_data_direction); | 811 | fcmd->data = sg_dma_address(sg); |
813 | } else { | 812 | cmd->fcp_data_len = sg_dma_len(sg); |
814 | struct scatterlist *sg = (struct scatterlist *)SCpnt->request_buffer; | ||
815 | int nents; | ||
816 | |||
817 | FCD(("XXX: Use_sg %d %d\n", SCpnt->use_sg, sg->length)) | ||
818 | nents = dma_map_sg (fc->dev, sg, SCpnt->use_sg, | ||
819 | SCpnt->sc_data_direction); | ||
820 | if (nents > 1) printk ("%s: SG for nents %d (use_sg %d) not handled yet\n", fc->name, nents, SCpnt->use_sg); | ||
821 | fcmd->data = sg_dma_address(sg); | ||
822 | cmd->fcp_data_len = sg_dma_len(sg); | ||
823 | } | ||
824 | } | 813 | } |
825 | memcpy (cmd->fcp_cdb, SCpnt->cmnd, SCpnt->cmd_len); | 814 | memcpy (cmd->fcp_cdb, SCpnt->cmnd, SCpnt->cmd_len); |
826 | memset (cmd->fcp_cdb+SCpnt->cmd_len, 0, sizeof(cmd->fcp_cdb)-SCpnt->cmd_len); | 815 | memset (cmd->fcp_cdb+SCpnt->cmd_len, 0, sizeof(cmd->fcp_cdb)-SCpnt->cmd_len); |