[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>
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 370646f..e27d947 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1765,6 +1765,82 @@
}
static void
+qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb)
+{
+ uint16_t avail_dsds;
+ uint32_t *cur_dsd;
+ struct scatterlist *sg;
+ int index;
+ uint16_t tot_dsds;
+ scsi_qla_host_t *vha = sp->fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job;
+ int loop_iterartion = 0;
+ int cont_iocb_prsnt = 0;
+ int entry_count = 1;
+
+ memset(ct_iocb, 0, sizeof(ms_iocb_entry_t));
+ ct_iocb->entry_type = CT_IOCB_TYPE;
+ ct_iocb->entry_status = 0;
+ ct_iocb->handle1 = sp->handle;
+ SET_TARGET_ID(ha, ct_iocb->loop_id, sp->fcport->loop_id);
+ ct_iocb->status = __constant_cpu_to_le16(0);
+ ct_iocb->control_flags = __constant_cpu_to_le16(0);
+ ct_iocb->timeout = 0;
+ ct_iocb->cmd_dsd_count =
+ __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
+ ct_iocb->total_dsd_count =
+ __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt + 1);
+ ct_iocb->req_bytecount =
+ cpu_to_le32(bsg_job->request_payload.payload_len);
+ ct_iocb->rsp_bytecount =
+ cpu_to_le32(bsg_job->reply_payload.payload_len);
+
+ ct_iocb->dseg_req_address[0] = cpu_to_le32(LSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ ct_iocb->dseg_req_address[1] = cpu_to_le32(MSD(sg_dma_address
+ (bsg_job->request_payload.sg_list)));
+ ct_iocb->dseg_req_length = ct_iocb->req_bytecount;
+
+ ct_iocb->dseg_rsp_address[0] = cpu_to_le32(LSD(sg_dma_address
+ (bsg_job->reply_payload.sg_list)));
+ ct_iocb->dseg_rsp_address[1] = cpu_to_le32(MSD(sg_dma_address
+ (bsg_job->reply_payload.sg_list)));
+ ct_iocb->dseg_rsp_length = ct_iocb->rsp_bytecount;
+
+ avail_dsds = 1;
+ cur_dsd = (uint32_t *)ct_iocb->dseg_rsp_address;
+ index = 0;
+ tot_dsds = bsg_job->reply_payload.sg_cnt;
+
+ for_each_sg(bsg_job->reply_payload.sg_list, sg, tot_dsds, index) {
+ dma_addr_t sle_dma;
+ cont_a64_entry_t *cont_pkt;
+
+ /* Allocate additional continuation packets? */
+ if (avail_dsds == 0) {
+ /*
+ * Five DSDs are available in the Cont.
+ * Type 1 IOCB.
+ */
+ cont_pkt = qla2x00_prep_cont_type1_iocb(vha);
+ cur_dsd = (uint32_t *) cont_pkt->dseg_0_address;
+ avail_dsds = 5;
+ cont_iocb_prsnt = 1;
+ entry_count++;
+ }
+
+ sle_dma = sg_dma_address(sg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
+ loop_iterartion++;
+ avail_dsds--;
+ }
+ ct_iocb->entry_count = entry_count;
+}
+
+static void
qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
{
uint16_t avail_dsds;
@@ -1867,7 +1943,9 @@
qla24xx_els_iocb(sp, pkt);
break;
case SRB_CT_CMD:
- qla24xx_ct_iocb(sp, pkt);
+ IS_FWI2_CAPABLE(ha) ?
+ qla24xx_ct_iocb(sp, pkt) :
+ qla2x00_ct_iocb(sp, pkt);
break;
case SRB_ADISC_CMD:
IS_FWI2_CAPABLE(ha) ?