[SCSI] qla2xxx: add support for NPIV
Following patch adds support for NPIV (N-Port ID Virtualization) to the
qla2xxx.
- supported within switched-fabric topologies only.
- supports up to 63 virtual ports on each physical port.
Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index c517a14..c71863f 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -179,7 +179,6 @@
cur_dsd = (uint32_t *)&cmd_pkt->dseg_0_address;
/* Load data segments */
-
scsi_for_each_sg(cmd, sg, tot_dsds, i) {
cont_entry_t *cont_pkt;
@@ -316,9 +315,14 @@
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
- nseg = scsi_dma_map(cmd);
- if (nseg < 0)
- goto queuing_error;
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
+ goto queuing_error;
+ } else
+ nseg = 0;
+
tot_dsds = nseg;
/* Calculate the number of request entries needed. */
@@ -414,9 +418,10 @@
{
mrk_entry_t *mrk;
struct mrk_entry_24xx *mrk24;
+ scsi_qla_host_t *pha = to_qla_parent(ha);
mrk24 = NULL;
- mrk = (mrk_entry_t *)qla2x00_req_pkt(ha);
+ mrk = (mrk_entry_t *)qla2x00_req_pkt(pha);
if (mrk == NULL) {
DEBUG2_3(printk("%s(%ld): failed to allocate Marker IOCB.\n",
__func__, ha->host_no));
@@ -433,6 +438,7 @@
mrk24->lun[1] = LSB(lun);
mrk24->lun[2] = MSB(lun);
host_to_fcp_swap(mrk24->lun, sizeof(mrk24->lun));
+ mrk24->vp_index = ha->vp_idx;
} else {
SET_TARGET_ID(ha, mrk->target, loop_id);
mrk->lun = cpu_to_le16(lun);
@@ -440,7 +446,7 @@
}
wmb();
- qla2x00_isp_cmd(ha);
+ qla2x00_isp_cmd(pha);
return (QLA_SUCCESS);
}
@@ -712,9 +718,14 @@
goto queuing_error;
/* Map the sg table so we have an accurate count of sg entries needed */
- nseg = scsi_dma_map(cmd);
- if (nseg < 0)
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
goto queuing_error;
+ } else
+ nseg = 0;
+
tot_dsds = nseg;
req_cnt = qla24xx_calc_iocbs(tot_dsds);
@@ -750,6 +761,7 @@
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vp_idx;
int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));