diff options
author | Vijaya Mohan Guvva <vmohan@brocade.com> | 2013-05-13 02:33:19 -0700 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 11:40:12 -0700 |
commit | bbe37a67d9da18e40dfd9232586612424b1466f7 (patch) | |
tree | 28d5bbda3455f1606d7dac76c20ea00cb673b2d3 /drivers/scsi/bfa/bfa_svc.c | |
parent | 32d3d793fb2d40d2a255af64ffa17cfb2132c323 (diff) | |
download | linux-bbe37a67d9da18e40dfd9232586612424b1466f7.tar.bz2 |
[SCSI] bfa: Support for FC BB credit recovery
This patch includes changes to 1) Enable/disable fc credit recovery on
Brocade FC adapter port operating at max supported speed. 2) Get credit
recovery status and stats related to credit loss and recovered credits
Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfa_svc.c')
-rw-r--r-- | drivers/scsi/bfa/bfa_svc.c | 95 |
1 files changed, 85 insertions, 10 deletions
diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index 7ed2c57d8736..6ed60425dd34 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -1614,7 +1614,6 @@ bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) lps->lp_mac = rsp->lp_mac; lps->brcd_switch = rsp->brcd_switch; lps->fcf_mac = rsp->fcf_mac; - lps->pr_bbscn = rsp->bb_scn; break; @@ -1744,7 +1743,6 @@ bfa_lps_send_login(struct bfa_lps_s *lps) m->nwwn = lps->nwwn; m->fdisc = lps->fdisc; m->auth_en = lps->auth_en; - m->bb_scn = lps->bb_scn; bfa_reqq_produce(lps->bfa, lps->reqq, m->mh); list_del(&lps->qe); @@ -1940,7 +1938,7 @@ bfa_lps_delete(struct bfa_lps_s *lps) */ void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, - wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en, uint8_t bb_scn) + wwn_t pwwn, wwn_t nwwn, bfa_boolean_t auth_en) { lps->uarg = uarg; lps->alpa = alpa; @@ -1949,7 +1947,6 @@ bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa, u16 pdusz, lps->nwwn = nwwn; lps->fdisc = BFA_FALSE; lps->auth_en = auth_en; - lps->bb_scn = bb_scn; bfa_sm_send_event(lps, BFA_LPS_SM_LOGIN); } @@ -3158,6 +3155,8 @@ bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport) fcport->qos_attr = pevent->link_state.qos_attr; fcport->qos_vc_attr = pevent->link_state.attr.vc_fcf.qos_vc_attr; + if (fcport->cfg.bb_cr_enabled) + fcport->bbcr_attr = pevent->link_state.attr.bbcr_attr; /* * update trunk state if applicable */ @@ -3177,7 +3176,6 @@ bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport) { fcport->speed = BFA_PORT_SPEED_UNKNOWN; fcport->topology = BFA_PORT_TOPOLOGY_NONE; - fcport->bbsc_op_state = BFA_FALSE; } /* @@ -3629,6 +3627,11 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) fcport->qos_attr.qos_bw_op = i2hmsg.penable_rsp->port_cfg.qos_bw; + if (fcport->cfg.bb_cr_enabled) + fcport->bbcr_attr.state = BFA_BBCR_OFFLINE; + else + fcport->bbcr_attr.state = BFA_BBCR_DISABLED; + bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP); } break; @@ -3639,6 +3642,11 @@ bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg) break; case BFI_FCPORT_I2H_EVENT: + if (fcport->cfg.bb_cr_enabled) + fcport->bbcr_attr.state = BFA_BBCR_OFFLINE; + else + fcport->bbcr_attr.state = BFA_BBCR_DISABLED; + if (i2hmsg.event->link_state.linkstate == BFA_PORT_LINKUP) bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP); else { @@ -3964,14 +3972,11 @@ bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa) } void -bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn) +bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit) { struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); fcport->cfg.tx_bbcredit = (u8)tx_bbcredit; - fcport->cfg.bb_scn = bb_scn; - if (bb_scn) - fcport->bbsc_op_state = BFA_TRUE; } /* @@ -4021,7 +4026,6 @@ bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr) attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa); attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa); attr->port_state = bfa_sm_to_state(hal_port_sm_table, fcport->sm); - attr->bbsc_op_status = fcport->bbsc_op_state; /* PBC Disabled State */ if (bfa_fcport_is_pbcdisabled(bfa)) @@ -4217,6 +4221,77 @@ bfa_fcport_is_trunk_enabled(struct bfa_s *bfa) return fcport->cfg.trunked; } +bfa_status_t +bfa_fcport_cfg_bbcr(struct bfa_s *bfa, bfa_boolean_t on_off, u8 bb_scn) +{ + struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); + + bfa_trc(bfa, on_off); + + if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC) + return BFA_STATUS_BBCR_FC_ONLY; + + if (bfa_mfg_is_mezz(bfa->ioc.attr->card_type) && + (bfa->ioc.attr->card_type != BFA_MFG_TYPE_CHINOOK)) + return BFA_STATUS_CMD_NOTSUPP_MEZZ; + + if (on_off) { + if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) + return BFA_STATUS_TOPOLOGY_LOOP; + + if (fcport->cfg.qos_enabled) + return BFA_STATUS_ERROR_QOS_ENABLED; + + if (fcport->cfg.trunked) + return BFA_STATUS_TRUNK_ENABLED; + + if ((fcport->cfg.speed != BFA_PORT_SPEED_AUTO) && + (fcport->cfg.speed < bfa_ioc_speed_sup(&bfa->ioc))) + return BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT; + + if (bfa_ioc_speed_sup(&bfa->ioc) < BFA_PORT_SPEED_8GBPS) + return BFA_STATUS_FEATURE_NOT_SUPPORTED; + + if (fcport->cfg.bb_cr_enabled) { + if (bb_scn != fcport->cfg.bb_scn) + return BFA_STATUS_BBCR_CFG_NO_CHANGE; + else + return BFA_STATUS_NO_CHANGE; + } + + if ((bb_scn == 0) || (bb_scn > BFA_BB_SCN_MAX)) + bb_scn = BFA_BB_SCN_DEF; + + fcport->cfg.bb_cr_enabled = on_off; + fcport->cfg.bb_scn = bb_scn; + } else { + if (!fcport->cfg.bb_cr_enabled) + return BFA_STATUS_NO_CHANGE; + + fcport->cfg.bb_cr_enabled = on_off; + fcport->cfg.bb_scn = 0; + } + + return BFA_STATUS_OK; +} + +bfa_status_t +bfa_fcport_get_bbcr_attr(struct bfa_s *bfa, + struct bfa_bbcr_attr_s *bbcr_attr) +{ + struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa); + + if (bfa_ioc_get_type(&fcport->bfa->ioc) != BFA_IOC_TYPE_FC) + return BFA_STATUS_BBCR_FC_ONLY; + + if (fcport->cfg.topology == BFA_PORT_TOPOLOGY_LOOP) + return BFA_STATUS_TOPOLOGY_LOOP; + + *bbcr_attr = fcport->bbcr_attr; + + return BFA_STATUS_OK; +} + void bfa_fcport_dportenable(struct bfa_s *bfa) { |