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[SCSI] qla2xxx: Add CT passthru support for ISP23xx adapters
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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9a15eb4b51
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9bc4f4fb44
@ -396,15 +396,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
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char *type = "FC_BSG_HST_CT";
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struct srb_ctx *ct;
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/* pass through is supported only for ISP 4Gb or higher */
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if (!IS_FWI2_CAPABLE(ha)) {
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DEBUG2(qla_printk(KERN_INFO, ha,
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"scsi(%ld):Firmware is not capable to support FC "
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"CT pass thru\n", vha->host_no));
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rval = -EPERM;
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goto done;
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}
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req_sg_cnt =
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dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
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bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
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@ -1764,6 +1764,82 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
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(bsg_job->reply_payload.sg_list));
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}
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static void
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qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
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{
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uint16_t avail_dsds;
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uint32_t *cur_dsd;
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struct scatterlist *sg;
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int index;
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uint16_t tot_dsds;
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scsi_qla_host_t *vha = sp->fcport->vha;
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struct qla_hw_data *ha = vha->hw;
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struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
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int loop_iterartion = 0;
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int cont_iocb_prsnt = 0;
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int entry_count = 1;
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memset(ct_iocb, 0, sizeof(ms_iocb_entry_t));
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ct_iocb->entry_type = CT_IOCB_TYPE;
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ct_iocb->entry_status = 0;
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ct_iocb->handle1 = sp->handle;
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SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id);
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ct_iocb->status = __constant_cpu_to_le16(0);
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ct_iocb->control_flags = __constant_cpu_to_le16(0);
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ct_iocb->timeout = 0;
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ct_iocb->cmd_dsd_count =
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__constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
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ct_iocb->total_dsd_count =
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__constant_cpu_to_le16(bsg_job->request_payload.sg_cnt + 1);
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ct_iocb->req_bytecount =
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cpu_to_le32(bsg_job->request_payload.payload_len);
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ct_iocb->rsp_bytecount =
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cpu_to_le32(bsg_job->reply_payload.payload_len);
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ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address
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(bsg_job->request_payload.sg_list)));
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ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address
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(bsg_job->request_payload.sg_list)));
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ct_iocb->dseg_req_length = ct_iocb->req_bytecount;
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ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address
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(bsg_job->reply_payload.sg_list)));
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ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address
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(bsg_job->reply_payload.sg_list)));
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ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount;
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avail_dsds = 1;
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cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address;
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index = 0;
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tot_dsds = bsg_job->reply_payload.sg_cnt;
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for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
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dma_addr_t sle_dma;
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cont_a64_entry_t *cont_pkt;
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/* Allocate additional continuation packets? */
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if (avail_dsds == 0) {
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/*
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* Five DSDs are available in the Cont.
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* Type 1 IOCB.
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*/
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cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
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cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
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avail_dsds = 5;
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cont_iocb_prsnt = 1;
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entry_count++;
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}
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sle_dma = sg_dma_address(sg);
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*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
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*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
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*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
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loop_iterartion++;
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avail_dsds--;
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}
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ct_iocb->entry_count = entry_count;
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}
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static void
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qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
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{
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@ -1867,7 +1943,9 @@ qla2x00_start_sp(srb_t *sp)
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qla24xx_els_iocb(sp, pkt);
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break;
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case SRB_CT_CMD:
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qla24xx_ct_iocb(sp, pkt);
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IS_FWI2_CAPABLE(ha) ?
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qla24xx_ct_iocb(sp, pkt) :
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qla2x00_ct_iocb(sp, pkt);
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break;
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case SRB_ADISC_CMD:
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IS_FWI2_CAPABLE(ha) ?
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@ -983,6 +983,86 @@ logio_done:
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lio->done(sp);
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}
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static void
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qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
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sts_entry_t *pkt, int iocb_type)
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{
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const char func[] = "CT_IOCB";
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const char *type;
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struct qla_hw_data *ha = vha->hw;
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srb_t *sp;
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struct srb_ctx *sp_bsg;
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struct fc_bsg_job *bsg_job;
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uint16_t comp_status;
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sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
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if (!sp)
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return;
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sp_bsg = sp->ctx;
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bsg_job = sp_bsg->u.bsg_job;
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type = NULL;
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switch (sp_bsg->type) {
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case SRB_CT_CMD:
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type = "ct pass-through";
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break;
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default:
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qla_printk(KERN_WARNING, ha,
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"%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,
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sp_bsg->type);
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return;
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}
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comp_status = le16_to_cpu(pkt->comp_status);
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/* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
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* fc payload to the caller
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*/
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bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
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bsg_job->reply_len = sizeof(struct fc_bsg_reply);
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if (comp_status != CS_COMPLETE) {
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if (comp_status == CS_DATA_UNDERRUN) {
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bsg_job->reply->result = DID_OK << 16;
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bsg_job->reply->reply_payload_rcv_len =
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le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len);
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DEBUG2(qla_printk(KERN_WARNING, ha,
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"scsi(%ld): CT pass-through-%s error "
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"comp_status-status=0x%x total_byte = 0x%x.\n",
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vha->host_no, type, comp_status,
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bsg_job->reply->reply_payload_rcv_len));
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} else {
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DEBUG2(qla_printk(KERN_WARNING, ha,
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"scsi(%ld): CT pass-through-%s error "
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"comp_status-status=0x%x.\n",
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vha->host_no, type, comp_status));
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bsg_job->reply->result = DID_ERROR << 16;
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bsg_job->reply->reply_payload_rcv_len = 0;
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}
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DEBUG2(qla2x00_dump_buffer((uint8_t *)pkt, sizeof(*pkt)));
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} else {
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bsg_job->reply->result = DID_OK << 16;;
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bsg_job->reply->reply_payload_rcv_len =
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bsg_job->reply_payload.payload_len;
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bsg_job->reply_len = 0;
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}
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dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
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bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
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dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
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bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
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if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD)
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kfree(sp->fcport);
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kfree(sp->ctx);
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mempool_free(sp, ha->srb_mempool);
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bsg_job->job_done(bsg_job);
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}
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static void
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qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
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struct sts_entry_24xx *pkt, int iocb_type)
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@ -1303,6 +1383,9 @@ qla2x00_process_response_queue(struct rsp_que *rsp)
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qla2x00_mbx_iocb_entry(vha, rsp->req,
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(struct mbx_entry *)pkt);
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break;
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case CT_IOCB_TYPE:
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qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
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break;
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default:
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/* Type Not Supported. */
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DEBUG4(printk(KERN_WARNING
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