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| author | Sarang Radke <sarang.radke@qlogic.com> | 2010-03-19 17:03:59 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 09:45:50 -0500 |
| commit | 09ff701a177b116c6c15b6e501e58fbfb306b424 (patch) | |
| tree | fd99933ea29dbc36fc6636f5278d237dbee89b96 /drivers/scsi/qla2xxx/qla_mbx.c | |
| parent | 6e98016ca077c5c751167bfdb1a3a2a3bee581cf (diff) | |
| download | kernel_samsung_smdk4412-09ff701a177b116c6c15b6e501e58fbfb306b424.zip kernel_samsung_smdk4412-09ff701a177b116c6c15b6e501e58fbfb306b424.tar.gz kernel_samsung_smdk4412-09ff701a177b116c6c15b6e501e58fbfb306b424.tar.bz2 | |
[SCSI] qla2xxx: Add APEX support.
Allows priority setting for FCP_CMNDs.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_mbx.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_mbx.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 7f3bc45..e9c9f82 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3896,3 +3896,50 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha) return rval; } + +int +qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority, + uint16_t *mb) +{ + int rval; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + struct qla_hw_data *ha = vha->hw; + + if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha)) + return QLA_FUNCTION_FAILED; + + DEBUG11(printk(KERN_INFO + "%s(%ld): entered.\n", __func__, ha->host_no)); + + mcp->mb[0] = MBC_PORT_PARAMS; + mcp->mb[1] = loop_id; + if (ha->flags.fcp_prio_enabled) + mcp->mb[2] = BIT_1; + else + mcp->mb[2] = BIT_2; + mcp->mb[4] = priority & 0xf; + mcp->mb[9] = vha->vp_idx; + mcp->out_mb = MBX_9|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_4|MBX_3|MBX_1|MBX_0; + mcp->tov = 30; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + if (mb != NULL) { + mb[0] = mcp->mb[0]; + mb[1] = mcp->mb[1]; + mb[3] = mcp->mb[3]; + mb[4] = mcp->mb[4]; + } + + if (rval != QLA_SUCCESS) { + DEBUG2_3_11(printk(KERN_WARNING + "%s(%ld): failed=%x.\n", __func__, + vha->host_no, rval)); + } else { + DEBUG11(printk(KERN_INFO + "%s(%ld): done.\n", __func__, vha->host_no)); + } + + return rval; +} |