Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- drivers/scsi/advansys.c | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 6af2a52..4979e5a 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -309,7 +309,7 @@ typedef struct asc_scsiq_1 { uchar target_lun; ASC_PADDR data_addr; ASC_DCNT data_cnt; - ASC_PADDR sense_addr; + __le32 sense_addr; uchar sense_len; uchar extra_bytes; } ASC_SCSIQ_1; @@ -6110,6 +6110,7 @@ static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) adv_sgblk_t *sgblkp; struct scsi_cmnd *scp; ADV_DCNT resid_cnt; + dma_addr_t sense_addr; ASC_DBG(1, "adv_dvc_varp 0x%p, scsiqp 0x%p\n", adv_dvc_varp, scsiqp); @@ -6147,6 +6148,10 @@ static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp) ASC_STATS(boardp->shost, callback); ASC_DBG(1, "shost 0x%p\n", boardp->shost); + sense_addr = le32_to_cpu(scsiqp->sense_addr); + dma_unmap_single(boardp->dev, sense_addr, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + /* * 'done_status' contains the command's ending status. */ @@ -7930,18 +7935,16 @@ static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, * ADV_ERROR(-1) - SG List creation failed */ static int -adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, struct scsi_cmnd *scp, - int use_sg) +adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp, + ADV_SCSI_REQ_Q *scsiqp, struct scsi_cmnd *scp, int use_sg) { adv_sgblk_t *sgblkp; - ADV_SCSI_REQ_Q *scsiqp; struct scatterlist *slp; int sg_elem_cnt; ADV_SG_BLOCK *sg_block, *prev_sg_block; ADV_PADDR sg_block_paddr; int i; - scsiqp = (ADV_SCSI_REQ_Q *)ADV_32BALIGN(&reqp->scsi_req_q); slp = scsi_sglist(scp); sg_elem_cnt = use_sg; prev_sg_block = NULL; @@ -8046,9 +8049,9 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, u32 srb_tag = scp->request->tag; adv_req_t *reqp; ADV_SCSI_REQ_Q *scsiqp; - int i; int ret; int use_sg; + dma_addr_t sense_addr; /* * Allocate an adv_req_t structure from the board to execute @@ -8091,19 +8094,23 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, /* Set CDB length and copy it to the request structure. */ scsiqp->cdb_len = scp->cmd_len; /* Copy first 12 CDB bytes to cdb[]. */ - for (i = 0; i < scp->cmd_len && i < 12; i++) { - scsiqp->cdb[i] = scp->cmnd[i]; - } + memcpy(scsiqp->cdb, scp->cmnd, scp->cmd_len < 12 ? scp->cmd_len : 12); /* Copy last 4 CDB bytes, if present, to cdb16[]. */ - for (; i < scp->cmd_len; i++) { - scsiqp->cdb16[i - 12] = scp->cmnd[i]; + if (scp->cmd_len > 12) { + int cdb16_len = scp->cmd_len - 12; + + memcpy(scsiqp->cdb16, &scp->cmnd[12], cdb16_len); } scsiqp->target_id = scp->device->id; scsiqp->target_lun = scp->device->lun; - scsiqp->sense_addr = cpu_to_le32(virt_to_bus(&scp->sense_buffer[0])); - scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE; + sense_addr = dma_map_single(boardp->dev, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); + scsiqp->sense_addr = cpu_to_le32(sense_addr); + scsiqp->sense_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE); + dma_cache_sync(boardp->dev, scp->sense_buffer, + SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE); /* Build ADV_SCSI_REQ_Q */ @@ -8132,7 +8139,7 @@ adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp, scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp)); - ret = adv_get_sglist(boardp, reqp, scp, use_sg); + ret = adv_get_sglist(boardp, reqp, scsiqp, scp, use_sg); if (ret != ADV_SUCCESS) { scsi_dma_unmap(scp); scp->result = HOST_BYTE(DID_ERROR); -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html