From: Vijaya Mohan Guvva Date: Mon, 13 May 2013 09:33:19 +0000 (-0700) Subject: [SCSI] bfa: Support for FC BB credit recovery X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bbe37a67d9da18e40dfd9232586612424b1466f7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [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 Signed-off-by: James Bottomley --- diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h index 0efdf312b42c..bdd1bae971ef 100644 --- a/drivers/scsi/bfa/bfa_defs.h +++ b/drivers/scsi/bfa/bfa_defs.h @@ -185,6 +185,8 @@ enum bfa_status { BFA_STATUS_FAA_DISABLED = 198, /* FAA is already disabled */ BFA_STATUS_FAA_ACQUIRED = 199, /* FAA is already acquired */ BFA_STATUS_FAA_ACQ_ADDR = 200, /* Acquiring addr */ + BFA_STATUS_BBCR_FC_ONLY = 201, /*!< BBCredit Recovery is supported for * + * FC mode only */ BFA_STATUS_ERROR_TRUNK_ENABLED = 203, /* Trunk enabled on adapter */ BFA_STATUS_MAX_ENTRY_REACHED = 212, /* MAX entry reached */ BFA_STATUS_TOPOLOGY_LOOP = 230, /* Topology is set to Loop */ @@ -198,6 +200,14 @@ enum bfa_status { BFA_STATUS_CMD_NOTSUPP_MEZZ = 239, /* Cmd not supported for MEZZ card */ BFA_STATUS_FRU_NOT_PRESENT = 240, /* fru module not present */ BFA_STATUS_DPORT_ERR = 245, /* D-port mode is enabled */ + BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT = 258, /*!< BB credit recovery is + * supported at max port speed alone */ + BFA_STATUS_ERROR_BBCR_ENABLED = 259, /*!< BB credit recovery + * is enabled */ + BFA_STATUS_INVALID_BBSCN = 260, /*!< Invalid BBSCN value. + * Valid range is [1-15] */ + BFA_STATUS_BBCR_CFG_NO_CHANGE = 265, /*!< BBCR is operational. + * Disable BBCR and try this operation again. */ BFA_STATUS_MAX_VAL /* Unknown error code */ }; #define bfa_status_t enum bfa_status diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h index ec03c8cd8dac..c06359b76c4d 100644 --- a/drivers/scsi/bfa/bfa_defs_svc.h +++ b/drivers/scsi/bfa/bfa_defs_svc.h @@ -257,8 +257,6 @@ struct bfa_fw_port_lksm_stats_s { u32 nos_tx; /* No. of times NOS tx started */ u32 hwsm_lrr_rx; /* No. of times LRR rx-ed by HWSM */ u32 hwsm_lr_rx; /* No. of times LR rx-ed by HWSM */ - u32 bbsc_lr; /* LKSM LR tx for credit recovery */ - u32 rsvd; }; struct bfa_fw_port_snsm_stats_s { @@ -409,7 +407,7 @@ struct bfa_fw_trunk_stats_s { u32 rsvd; /* padding for 64 bit alignment */ }; -struct bfa_fw_advsm_stats_s { +struct bfa_fw_aport_stats_s { u32 flogi_sent; /* Flogi sent */ u32 flogi_acc_recvd; /* Flogi Acc received */ u32 flogi_rjt_recvd; /* Flogi rejects received */ @@ -419,6 +417,12 @@ struct bfa_fw_advsm_stats_s { u32 elp_accepted; /* ELP Accepted */ u32 elp_rejected; /* ELP rejected */ u32 elp_dropped; /* ELP dropped */ + + u32 bbcr_lr_count; /*!< BBCR Link Resets */ + u32 frame_lost_intrs; /*!< BBCR Frame loss intrs */ + u32 rrdy_lost_intrs; /*!< BBCR Rrdy loss intrs */ + + u32 rsvd; }; /* @@ -489,7 +493,7 @@ struct bfa_fw_stats_s { struct bfa_fw_fcxchg_stats_s fcxchg_stats; struct bfa_fw_lps_stats_s lps_stats; struct bfa_fw_trunk_stats_s trunk_stats; - struct bfa_fw_advsm_stats_s advsm_stats; + struct bfa_fw_aport_stats_s aport_stats; struct bfa_fw_mac_mod_stats_s macmod_stats; struct bfa_fw_ct_mod_stats_s ctmod_stats; struct bfa_fw_eth_sndrcv_stats_s ethsndrcv_stats; @@ -545,6 +549,27 @@ struct bfa_qos_attr_s { struct bfa_qos_bw_s qos_bw_op; /* QOS bw operational */ }; +enum bfa_bbcr_state { + BFA_BBCR_DISABLED, /*!< BBCR is disable */ + BFA_BBCR_ONLINE, /*!< BBCR is online */ + BFA_BBCR_OFFLINE, /*!< BBCR is offline */ +}; + +enum bfa_bbcr_err_reason { + BFA_BBCR_ERR_REASON_NONE, /*!< Unknown */ + BFA_BBCR_ERR_REASON_SPEED_UNSUP, /*!< Port speed < max sup_speed */ + BFA_BBCR_ERR_REASON_PEER_UNSUP, /*!< BBCR is disable on peer port */ + BFA_BBCR_ERR_REASON_NON_BRCD_SW, /*!< Connected to non BRCD switch */ + BFA_BBCR_ERR_REASON_FLOGI_RJT, /*!< Login rejected by the switch */ +}; + +struct bfa_bbcr_attr_s { + u8 state; + u8 peer_bb_scn; + u8 reason; + u8 rsvd; +}; + /* * These fields should be displayed only from the CLI. * There will be a separate BFAL API (get_qos_vc_attr ?) @@ -892,6 +917,9 @@ struct bfa_defs_fcpim_throttle_s { u16 rsvd; }; +#define BFA_BB_SCN_DEF 3 +#define BFA_BB_SCN_MAX 0x0F + /* * Physical port configuration */ @@ -907,8 +935,8 @@ struct bfa_port_cfg_s { u8 tx_bbcredit; /* transmit buffer credits */ u8 ratelimit; /* ratelimit enabled or not */ u8 trl_def_speed; /* ratelimit default speed */ - u8 bb_scn; /* BB_SCN value from FLOGI Exchg */ - u8 bb_scn_state; /* Config state of BB_SCN */ + u8 bb_cr_enabled; /*!< Config state of BB_SCN */ + u8 bb_scn; /*!< BB_SCN value for FLOGI Exchg */ u8 faa_state; /* FAA enabled/disabled */ u8 rsvd1; u16 path_tov; /* device path timeout */ @@ -1052,6 +1080,7 @@ struct bfa_port_link_s { struct bfa_qos_attr_s qos_attr; /* QoS Attributes */ union { struct bfa_fcport_loop_info_s loop_info; + struct bfa_bbcr_attr_s bbcr_attr; union { struct bfa_qos_vc_attr_s qos_vc_attr; /* VC info from ELP */ @@ -1215,9 +1244,11 @@ struct bfa_port_fc_stats_s { u64 bad_os_count; /* Invalid ordered sets */ u64 err_enc_out; /* Encoding err nonframe_8b10b */ u64 err_enc; /* Encoding err frame_8b10b */ - u64 bbsc_frames_lost; /* Credit Recovery-Frames Lost */ - u64 bbsc_credits_lost; /* Credit Recovery-Credits Lost */ - u64 bbsc_link_resets; /* Credit Recovery-Link Resets */ + u64 bbcr_frames_lost; /*!< BBCR Frames Lost */ + u64 bbcr_rrdys_lost; /*!< BBCR RRDYs Lost */ + u64 bbcr_link_resets; /*!< BBCR Link Resets */ + u64 bbcr_frame_lost_intrs; /*!< BBCR Frame loss intrs */ + u64 bbcr_rrdy_lost_intrs; /*!< BBCR Rrdy loss intrs */ u64 loop_timeouts; /* Loop timeouts */ }; diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c index d428808fb37e..a3ab5cce4208 100644 --- a/drivers/scsi/bfa/bfa_fcs.c +++ b/drivers/scsi/bfa/bfa_fcs.c @@ -240,9 +240,6 @@ static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg, u32 rsp_len, u32 resid_len, struct fchs_s *rspfchs); -static u8 bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric); -static bfa_boolean_t bfa_fcs_fabric_is_bbscn_enabled( - struct bfa_fcs_fabric_s *fabric); static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, enum bfa_fcs_fabric_event event); @@ -404,8 +401,7 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, case BFA_FCS_FABRIC_SM_CONT_OP: bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, - fabric->bb_credit, - bfa_fcs_fabric_oper_bbscn(fabric)); + fabric->bb_credit); fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; if (fabric->auth_reqd && fabric->is_auth) { @@ -433,8 +429,7 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, case BFA_FCS_FABRIC_SM_NO_FABRIC: fabric->fab_type = BFA_FCS_FABRIC_N2N; bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, - fabric->bb_credit, - bfa_fcs_fabric_oper_bbscn(fabric)); + fabric->bb_credit); bfa_fcs_fabric_notify_online(fabric); bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); break; @@ -602,8 +597,7 @@ bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, case BFA_FCS_FABRIC_SM_NO_FABRIC: bfa_trc(fabric->fcs, fabric->bb_credit); bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, - fabric->bb_credit, - bfa_fcs_fabric_oper_bbscn(fabric)); + fabric->bb_credit); break; case BFA_FCS_FABRIC_SM_RETRY_OP: @@ -965,10 +959,6 @@ bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status) case BFA_STATUS_FABRIC_RJT: fabric->stats.flogi_rejects++; - if (fabric->lps->lsrjt_rsn == FC_LS_RJT_RSN_LOGICAL_ERROR && - fabric->lps->lsrjt_expl == FC_LS_RJT_EXP_NO_ADDL_INFO) - fabric->fcs->bbscn_flogi_rjt = BFA_TRUE; - bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP); return; @@ -1014,14 +1004,11 @@ bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric) { struct bfa_s *bfa = fabric->fcs->bfa; struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg; - u8 alpa = 0, bb_scn = 0; + u8 alpa = 0; - if (bfa_fcs_fabric_is_bbscn_enabled(fabric) && - (!fabric->fcs->bbscn_flogi_rjt)) - bb_scn = BFA_FCS_PORT_DEF_BB_SCN; bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa), - pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd, bb_scn); + pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd); fabric->stats.flogi_sent++; } @@ -1101,40 +1088,6 @@ bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric) bfa_wc_wait(&fabric->stop_wc); } -/* - * Computes operating BB_SCN value - */ -static u8 -bfa_fcs_fabric_oper_bbscn(struct bfa_fcs_fabric_s *fabric) -{ - u8 pr_bbscn = fabric->lps->pr_bbscn; - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa); - - if (!(fcport->cfg.bb_scn_state && pr_bbscn)) - return 0; - - /* return max of local/remote bb_scn values */ - return ((pr_bbscn > BFA_FCS_PORT_DEF_BB_SCN) ? - pr_bbscn : BFA_FCS_PORT_DEF_BB_SCN); -} - -/* - * Check if BB_SCN can be enabled. - */ -static bfa_boolean_t -bfa_fcs_fabric_is_bbscn_enabled(struct bfa_fcs_fabric_s *fabric) -{ - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(fabric->fcs->bfa); - - if (bfa_ioc_get_fcmode(&fabric->fcs->bfa->ioc) && - fcport->cfg.bb_scn_state && - !bfa_fcport_is_qos_enabled(fabric->fcs->bfa) && - !bfa_fcport_is_trunk_enabled(fabric->fcs->bfa)) - return BFA_TRUE; - else - return BFA_FALSE; -} - /* * Delete all vports and wait for vport delete completions. */ @@ -1273,7 +1226,6 @@ void bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric) { bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); - fabric->fcs->bbscn_flogi_rjt = BFA_FALSE; bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN); } @@ -1480,7 +1432,6 @@ bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, } fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred); - fabric->lps->pr_bbscn = (be16_to_cpu(flogi->csp.rxsz) >> 12); bport->port_topo.pn2n.rem_port_wwn = flogi->port_name; bport->port_topo.pn2n.reply_oxid = fchs->ox_id; @@ -1513,8 +1464,7 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric) n2n_port->reply_oxid, pcfg->pwwn, pcfg->nwwn, bfa_fcport_get_maxfrsize(bfa), - bfa_fcport_get_rx_bbcredit(bfa), - bfa_fcs_fabric_oper_bbscn(fabric)); + bfa_fcport_get_rx_bbcredit(bfa), 0); bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->bfa_tag, BFA_FALSE, FC_CLASS_3, diff --git a/drivers/scsi/bfa/bfa_fcs.h b/drivers/scsi/bfa/bfa_fcs.h index a449706c6bc0..1369682f63de 100644 --- a/drivers/scsi/bfa/bfa_fcs.h +++ b/drivers/scsi/bfa/bfa_fcs.h @@ -258,9 +258,6 @@ struct bfa_fcs_fabric_s; #define BFA_FCS_PORT_SYMBNAME_OSINFO_SZ 48 #define BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ 16 -/* bb_scn value in 2^bb_scn */ -#define BFA_FCS_PORT_DEF_BB_SCN 3 - /* * Get FC port ID for a logical port. */ @@ -683,8 +680,6 @@ struct bfa_fcs_s { struct bfa_trc_mod_s *trcmod; /* tracing module */ bfa_boolean_t vf_enabled; /* VF mode is enabled */ bfa_boolean_t fdmi_enabled; /* FDMI is enabled */ - bfa_boolean_t bbscn_enabled; /* Driver Config Parameter */ - bfa_boolean_t bbscn_flogi_rjt;/* FLOGI reject due to BB_SCN */ bfa_boolean_t min_cfg; /* min cfg enabled/disabled */ u16 port_vfid; /* port default VF ID */ struct bfa_fcs_driver_info_s driver_info; diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index 610ca9500aac..62713a7c2daf 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -2577,7 +2577,7 @@ bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) port->fabric->bb_credit = be16_to_cpu(plogi->csp.bbcred); bfa_fcport_set_tx_bbcredit(port->fcs->bfa, - port->fabric->bb_credit, 0); + port->fabric->bb_credit); } } 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) { diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h index 8d7fbecfcb22..768ed6ac18fd 100644 --- a/drivers/scsi/bfa/bfa_svc.h +++ b/drivers/scsi/bfa/bfa_svc.h @@ -405,8 +405,6 @@ struct bfa_lps_s { bfa_status_t status; /* login status */ u16 pdusz; /* max receive PDU size */ u16 pr_bbcred; /* BB_CREDIT from peer */ - u8 pr_bbscn; /* BB_SCN from peer */ - u8 bb_scn; /* local BB_SCN */ u8 lsrjt_rsn; /* LSRJT reason */ u8 lsrjt_expl; /* LSRJT explanation */ u8 lun_mask; /* LUN mask flag */ @@ -510,11 +508,11 @@ struct bfa_fcport_s { bfa_boolean_t diag_busy; /* diag busy status */ bfa_boolean_t beacon; /* port beacon status */ bfa_boolean_t link_e2e_beacon; /* link beacon status */ - bfa_boolean_t bbsc_op_state; /* Cred recov Oper State */ struct bfa_fcport_trunk_s trunk; u16 fcoe_vlan; struct bfa_mem_dma_s fcport_dma; bfa_boolean_t stats_dma_ready; + struct bfa_bbcr_attr_s bbcr_attr; }; #define BFA_FCPORT_MOD(__bfa) (&(__bfa)->modules.fcport) @@ -556,7 +554,7 @@ bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa, struct bfa_qos_bw_s *qos_bw); enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa); -void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn); +void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit); bfa_boolean_t bfa_fcport_is_ratelim(struct bfa_s *bfa); void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon, bfa_boolean_t link_e2e_beacon); @@ -571,6 +569,10 @@ void bfa_fcport_dportenable(struct bfa_s *bfa); void bfa_fcport_dportdisable(struct bfa_s *bfa); bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa); void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state); +bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa, + bfa_boolean_t on_off, u8 bb_scn); +bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa, + struct bfa_bbcr_attr_s *bbcr_attr); /* * bfa rport API functions @@ -667,7 +669,7 @@ struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa); void 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, u8 bb_scn); + bfa_boolean_t auth_en); void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz, wwn_t pwwn, wwn_t nwwn); void bfa_lps_fdisclogo(struct bfa_lps_s *lps); diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 555e7db94a1c..bda1500e1a20 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -402,25 +402,43 @@ bfad_iocmd_port_cfg_maxfrsize(struct bfad_s *bfad, void *cmd) } int -bfad_iocmd_port_cfg_bbsc(struct bfad_s *bfad, void *cmd, unsigned int v_cmd) +bfad_iocmd_port_cfg_bbcr(struct bfad_s *bfad, unsigned int cmd, void *pcmd) { - struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; - struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa); - unsigned long flags; + struct bfa_bsg_bbcr_enable_s *iocmd = + (struct bfa_bsg_bbcr_enable_s *)pcmd; + unsigned long flags; + int rc; spin_lock_irqsave(&bfad->bfad_lock, flags); - if (bfa_ioc_get_type(&bfad->bfa.ioc) == BFA_IOC_TYPE_FC) { - if (v_cmd == IOCMD_PORT_BBSC_ENABLE) - fcport->cfg.bb_scn_state = BFA_TRUE; - else if (v_cmd == IOCMD_PORT_BBSC_DISABLE) - fcport->cfg.bb_scn_state = BFA_FALSE; + if (cmd == IOCMD_PORT_BBCR_ENABLE) + rc = bfa_fcport_cfg_bbcr(&bfad->bfa, BFA_TRUE, iocmd->bb_scn); + else if (cmd == IOCMD_PORT_BBCR_DISABLE) + rc = bfa_fcport_cfg_bbcr(&bfad->bfa, BFA_FALSE, 0); + else { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return -EINVAL; } spin_unlock_irqrestore(&bfad->bfad_lock, flags); - iocmd->status = BFA_STATUS_OK; + iocmd->status = rc; return 0; } +int +bfad_iocmd_port_get_bbcr_attr(struct bfad_s *bfad, void *pcmd) +{ + struct bfa_bsg_bbcr_attr_s *iocmd = (struct bfa_bsg_bbcr_attr_s *) pcmd; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = + bfa_fcport_get_bbcr_attr(&bfad->bfa, &iocmd->attr); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; +} + + static int bfad_iocmd_lport_get_attr(struct bfad_s *bfad, void *cmd) { @@ -2750,9 +2768,12 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_PORT_CFG_MAXFRSZ: rc = bfad_iocmd_port_cfg_maxfrsize(bfad, iocmd); break; - case IOCMD_PORT_BBSC_ENABLE: - case IOCMD_PORT_BBSC_DISABLE: - rc = bfad_iocmd_port_cfg_bbsc(bfad, iocmd, cmd); + case IOCMD_PORT_BBCR_ENABLE: + case IOCMD_PORT_BBCR_DISABLE: + rc = bfad_iocmd_port_cfg_bbcr(bfad, cmd, iocmd); + break; + case IOCMD_PORT_BBCR_GET_ATTR: + rc = bfad_iocmd_port_get_bbcr_attr(bfad, iocmd); break; case IOCMD_LPORT_GET_ATTR: rc = bfad_iocmd_lport_get_attr(bfad, iocmd); diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h index 15e1fc8e796b..612463b60061 100644 --- a/drivers/scsi/bfa/bfad_bsg.h +++ b/drivers/scsi/bfa/bfad_bsg.h @@ -46,8 +46,9 @@ enum { IOCMD_PORT_CFG_ALPA, IOCMD_PORT_CFG_MAXFRSZ, IOCMD_PORT_CLR_ALPA, - IOCMD_PORT_BBSC_ENABLE, - IOCMD_PORT_BBSC_DISABLE, + IOCMD_PORT_BBCR_ENABLE, + IOCMD_PORT_BBCR_DISABLE, + IOCMD_PORT_BBCR_GET_ATTR, IOCMD_LPORT_GET_ATTR, IOCMD_LPORT_GET_RPORTS, IOCMD_LPORT_GET_STATS, @@ -495,6 +496,20 @@ struct bfa_bsg_port_cfg_mode_s { struct bfa_port_cfg_mode_s cfg; }; +struct bfa_bsg_bbcr_enable_s { + bfa_status_t status; + u16 bfad_num; + u8 bb_scn; + u8 rsvd; +}; + +struct bfa_bsg_bbcr_attr_s { + bfa_status_t status; + u16 bfad_num; + u16 rsvd; + struct bfa_bbcr_attr_s attr; +}; + struct bfa_bsg_faa_attr_s { bfa_status_t status; u16 bfad_num; diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h index 5ae2c167b2c8..1a3fe5ad58fa 100644 --- a/drivers/scsi/bfa/bfi_ms.h +++ b/drivers/scsi/bfa/bfi_ms.h @@ -276,8 +276,7 @@ struct bfi_fcport_enable_req_s { struct bfi_fcport_set_svc_params_req_s { struct bfi_mhdr_s mh; /* msg header */ __be16 tx_bbcredit; /* Tx credits */ - u8 bb_scn; /* BB_SC FC credit recovery */ - u8 rsvd; + u8 rsvd[2]; }; /* @@ -446,8 +445,8 @@ struct bfi_lps_login_rsp_s { mac_t fcf_mac; u8 ext_status; u8 brcd_switch; /* attached peer is brcd switch */ - u8 bb_scn; /* atatched port's bb_scn */ u8 bfa_tag; + u8 rsvd; }; struct bfi_lps_logout_req_s {