diff options
| author | Krishna Gudipati <kgudipat@brocade.com> | 2012-09-21 17:26:31 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-10-07 11:20:08 +0100 |
| commit | 6894f013a71b1bcd09f46b8071f0c6b55fc58139 (patch) | |
| tree | 76f2ff25deb3519174c33d38e9bef2b98311fc0d /drivers/scsi/bfa/bfad_bsg.c | |
| parent | 04ea65756251577991189ef659dd9694b97a5f81 (diff) | |
| download | lwn-6894f013a71b1bcd09f46b8071f0c6b55fc58139.tar.gz lwn-6894f013a71b1bcd09f46b8071f0c6b55fc58139.zip | |
[SCSI] bfa: Add support for user to configure bandwidth on QoS priorities
Made changes to provide an option for user to configure the
bandwidth percentage for High/Medium/Low QoS priorities.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@brocade.com>
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfad_bsg.c')
| -rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 69b1ba9e58f6..90c40e4e2d4b 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -880,6 +880,19 @@ out: } int +bfad_iocmd_qos_set_bw(struct bfad_s *bfad, void *pcmd) +{ + struct bfa_bsg_qos_bw_s *iocmd = (struct bfa_bsg_qos_bw_s *)pcmd; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_fcport_set_qos_bw(&bfad->bfa, &iocmd->qos_bw); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; +} + +int bfad_iocmd_ratelim(struct bfad_s *bfad, unsigned int cmd, void *pcmd) { struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)pcmd; @@ -2284,8 +2297,12 @@ bfad_iocmd_qos(struct bfad_s *bfad, void *cmd, unsigned int v_cmd) else { if (v_cmd == IOCMD_QOS_ENABLE) fcport->cfg.qos_enabled = BFA_TRUE; - else if (v_cmd == IOCMD_QOS_DISABLE) + else if (v_cmd == IOCMD_QOS_DISABLE) { fcport->cfg.qos_enabled = BFA_FALSE; + fcport->cfg.qos_bw.high = BFA_QOS_BW_HIGH; + fcport->cfg.qos_bw.med = BFA_QOS_BW_MED; + fcport->cfg.qos_bw.low = BFA_QOS_BW_LOW; + } } } spin_unlock_irqrestore(&bfad->bfad_lock, flags); @@ -2308,6 +2325,10 @@ bfad_iocmd_qos_get_attr(struct bfad_s *bfad, void *cmd) iocmd->attr.state = fcport->qos_attr.state; iocmd->attr.total_bb_cr = be32_to_cpu(fcport->qos_attr.total_bb_cr); + iocmd->attr.qos_bw.high = fcport->cfg.qos_bw.high; + iocmd->attr.qos_bw.med = fcport->cfg.qos_bw.med; + iocmd->attr.qos_bw.low = fcport->cfg.qos_bw.low; + iocmd->attr.qos_bw_op = fcport->qos_attr.qos_bw_op; iocmd->status = BFA_STATUS_OK; } spin_unlock_irqrestore(&bfad->bfad_lock, flags); @@ -2839,6 +2860,9 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_QOS_RESET_STATS: rc = bfad_iocmd_qos_reset_stats(bfad, iocmd); break; + case IOCMD_QOS_SET_BW: + rc = bfad_iocmd_qos_set_bw(bfad, iocmd); + break; case IOCMD_VF_GET_STATS: rc = bfad_iocmd_vf_get_stats(bfad, iocmd); break; |