diff options
Diffstat (limited to 'sys/dev/advansys/adwcam.c')
-rw-r--r-- | sys/dev/advansys/adwcam.c | 73 |
1 files changed, 13 insertions, 60 deletions
diff --git a/sys/dev/advansys/adwcam.c b/sys/dev/advansys/adwcam.c index defc7c7..de1f413 100644 --- a/sys/dev/advansys/adwcam.c +++ b/sys/dev/advansys/adwcam.c @@ -353,6 +353,7 @@ adw_action(struct cam_sim *sim, union ccb *ccb) struct ccb_scsiio *csio; struct ccb_hdr *ccbh; struct acb *acb; + int error; csio = &ccb->csio; ccbh = &ccb->ccb_h; @@ -427,66 +428,18 @@ adw_action(struct cam_sim *sim, union ccb *ccb) acb->queue.cdb, csio->cdb_len); } - /* - * If we have any data to send with this command, - * map it into bus space. - */ - if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { - if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { - /* - * We've been given a pointer - * to a single buffer. - */ - if ((ccbh->flags & CAM_DATA_PHYS) == 0) { - int error; - - error = - bus_dmamap_load(adw->buffer_dmat, - acb->dmamap, - csio->data_ptr, - csio->dxfer_len, - adwexecuteacb, - acb, /*flags*/0); - if (error == EINPROGRESS) { - /* - * So as to maintain ordering, - * freeze the controller queue - * until our mapping is - * returned. - */ - xpt_freeze_simq(sim, 1); - acb->state |= CAM_RELEASE_SIMQ; - } - } else { - struct bus_dma_segment seg; - - /* Pointer to physical buffer */ - seg.ds_addr = - (bus_addr_t)csio->data_ptr; - seg.ds_len = csio->dxfer_len; - adwexecuteacb(acb, &seg, 1, 0); - } - } else { - struct bus_dma_segment *segs; - - if ((ccbh->flags & CAM_DATA_PHYS) != 0) - panic("adw_action - Physical " - "segment pointers " - "unsupported"); - - if ((ccbh->flags&CAM_SG_LIST_PHYS)==0) - panic("adw_action - Virtual " - "segment addresses " - "unsupported"); - - /* Just use the segments provided */ - segs = (struct bus_dma_segment *)csio->data_ptr; - adwexecuteacb(acb, segs, csio->sglist_cnt, - (csio->sglist_cnt < ADW_SGSIZE) - ? 0 : EFBIG); - } - } else { - adwexecuteacb(acb, NULL, 0, 0); + error = bus_dmamap_load_ccb(adw->buffer_dmat, + acb->dmamap, + ccb, + adwexecuteacb, + acb, /*flags*/0); + if (error == EINPROGRESS) { + /* + * So as to maintain ordering, freeze the controller + * queue until our mapping is returned. + */ + xpt_freeze_simq(sim, 1); + acb->state |= CAM_RELEASE_SIMQ; } break; } |