diff options
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 59 | ||||
| -rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.h | 4 |
2 files changed, 12 insertions, 51 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 660f26e23a38..1803ab6fc21c 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -402,18 +402,8 @@ ahc_linux_unmap_scb(struct ahc_softc *ahc, struct scb *scb) cmd = scb->io_ctx; ahc_sync_sglist(ahc, scb, BUS_DMASYNC_POSTWRITE); - if (cmd->use_sg != 0) { - struct scatterlist *sg; - - sg = (struct scatterlist *)cmd->request_buffer; - pci_unmap_sg(ahc->dev_softc, sg, cmd->use_sg, - cmd->sc_data_direction); - } else if (cmd->request_bufflen != 0) { - pci_unmap_single(ahc->dev_softc, - scb->platform_data->buf_busaddr, - cmd->request_bufflen, - cmd->sc_data_direction); - } + + scsi_dma_unmap(cmd); } static __inline int @@ -1381,6 +1371,7 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, struct ahc_tmode_tstate *tstate; uint16_t mask; struct scb_tailq *untagged_q = NULL; + int nseg; /* * Schedule us to run later. The only reason we are not @@ -1472,23 +1463,21 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, ahc_set_residual(scb, 0); ahc_set_sense_residual(scb, 0); scb->sg_count = 0; - if (cmd->use_sg != 0) { + + nseg = scsi_dma_map(cmd); + BUG_ON(nseg < 0); + if (nseg > 0) { struct ahc_dma_seg *sg; struct scatterlist *cur_seg; - struct scatterlist *end_seg; - int nseg; + int i; - cur_seg = (struct scatterlist *)cmd->request_buffer; - nseg = pci_map_sg(ahc->dev_softc, cur_seg, cmd->use_sg, - cmd->sc_data_direction); - end_seg = cur_seg + nseg; /* Copy the segments into the SG list. */ sg = scb->sg_list; /* * The sg_count may be larger than nseg if * a transfer crosses a 32bit page. - */ - while (cur_seg < end_seg) { + */ + scsi_for_each_sg(cmd, cur_seg, nseg, i) { dma_addr_t addr; bus_size_t len; int consumed; @@ -1499,7 +1488,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, sg, addr, len); sg += consumed; scb->sg_count += consumed; - cur_seg++; } sg--; sg->len |= ahc_htole32(AHC_DMA_LAST_SEG); @@ -1516,33 +1504,6 @@ ahc_linux_run_command(struct ahc_softc *ahc, struct ahc_linux_device *dev, */ scb->hscb->dataptr = scb->sg_list->addr; scb->hscb->datacnt = scb->sg_list->len; - } else if (cmd->request_bufflen != 0) { - struct ahc_dma_seg *sg; - dma_addr_t addr; - - sg = scb->sg_list; - addr = pci_map_single(ahc->dev_softc, - cmd->request_buffer, - cmd->request_bufflen, - cmd->sc_data_direction); - scb->platform_data->buf_busaddr = addr; - scb->sg_count = ahc_linux_map_seg(ahc, scb, - sg, addr, - cmd->request_bufflen); - sg->len |= ahc_htole32(AHC_DMA_LAST_SEG); - - /* - * Reset the sg list pointer. - */ - scb->hscb->sgptr = - ahc_htole32(scb->sg_list_phys | SG_FULL_RESID); - - /* - * Copy the first SG into the "current" - * data pointer area. - */ - scb->hscb->dataptr = sg->addr; - scb->hscb->datacnt = sg->len; } else { scb->hscb->sgptr = ahc_htole32(SG_LIST_NULL); scb->hscb->dataptr = 0; diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 8fee7edc6eb3..b48dab447bde 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -751,7 +751,7 @@ int ahc_get_transfer_dir(struct scb *scb) static __inline void ahc_set_residual(struct scb *scb, u_long resid) { - scb->io_ctx->resid = resid; + scsi_set_resid(scb->io_ctx, resid); } static __inline @@ -763,7 +763,7 @@ void ahc_set_sense_residual(struct scb *scb, u_long resid) static __inline u_long ahc_get_residual(struct scb *scb) { - return (scb->io_ctx->resid); + return scsi_get_resid(scb->io_ctx); } static __inline |