提交 a00f6296 编写于 作者: S Saurav Kashyap 提交者: James Bottomley

[SCSI] qla2xxx: Implement FCP priority tagging for 82xx adapters.

This provides a capability to set a priority in the FCP packet.
Signed-off-by: NSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: NChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
上级 5162cf0c
......@@ -102,7 +102,7 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job)
bsg_job->reply->reply_payload_rcv_len = 0;
if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))) {
if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA82XX(ha))) {
ret = -EINVAL;
goto exit_fcp_prio_cfg;
}
......
......@@ -5642,6 +5642,11 @@ qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
if (priority < 0)
return QLA_FUNCTION_FAILED;
if (IS_QLA82XX(vha->hw)) {
fcport->fcp_prio = priority & 0xf;
return QLA_SUCCESS;
}
ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
if (ret == QLA_SUCCESS) {
if (fcport->fcp_prio != priority)
......@@ -5650,7 +5655,7 @@ qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
"port_id=%02x%02x%02x.\n", priority,
fcport->loop_id, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa);
fcport->fcp_prio = priority;
fcport->fcp_prio = priority & 0xf;
} else
ql_dbg(ql_dbg_user, vha, 0x704f,
"Unable to update FCP_CMND priority - ret=0x%x for "
......
......@@ -2432,6 +2432,11 @@ qla82xx_start_scsi(srb_t *sp)
}
}
/* Populate the FCP_PRIO. */
if (ha->flags.fcp_prio_enabled)
ctx->fcp_cmnd->task_attribute |=
sp->fcport->fcp_prio << 3;
memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
......@@ -2501,6 +2506,10 @@ qla82xx_start_scsi(srb_t *sp)
}
}
/* Populate the FCP_PRIO. */
if (ha->flags.fcp_prio_enabled)
cmd_pkt->task |= sp->fcport->fcp_prio << 3;
/* Load SCSI command packet. */
memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
......
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