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| author | Saurav Kashyap <saurav.kashyap@qlogic.com> | 2011-11-18 09:03:19 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-12-15 10:55:10 +0400 |
| commit | a00f6296aaf92ebe89c72eb98c440410992a33c4 (patch) | |
| tree | 2f26b6cce7ac888009b1eb549f9a00cdf864a382 /drivers/scsi/qla2xxx | |
| parent | 5162cf0c4e3962b28a9c8bc1ce89d266db67aa55 (diff) | |
| download | linux-a00f6296aaf92ebe89c72eb98c440410992a33c4.tar.gz linux-a00f6296aaf92ebe89c72eb98c440410992a33c4.tar.bz2 linux-a00f6296aaf92ebe89c72eb98c440410992a33c4.zip | |
[SCSI] qla2xxx: Implement FCP priority tagging for 82xx adapters.
This provides a capability to set a priority in the FCP packet.
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 9 |
3 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 371d0de7e30b..c0bc0c6f084d 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -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; } diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index ec73cc191273..05931e6469aa 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -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 " diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index d2cc0ccfc202..841ffb34d416 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2432,6 +2432,11 @@ sufficient_dsds: } } + /* 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 @@ sufficient_dsds: } } + /* 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)); |