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[98.164.255.77]) by smtp.gmail.com with ESMTPSA id x8-20020a05622a000800b0035a70d82d7bsm5324305qtw.47.2022.09.11.15.15.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Sep 2022 15:15:20 -0700 (PDT) From: James Smart To: linux-scsi@vger.kernel.org Cc: James Smart , Justin Tee Subject: [PATCH 11/13] lpfc: Add reporting capability for Link Degrade Signaling Date: Sun, 11 Sep 2022 15:15:03 -0700 Message-Id: <20220911221505.117655-12-jsmart2021@gmail.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220911221505.117655-1-jsmart2021@gmail.com> References: <20220911221505.117655-1-jsmart2021@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Firmware reports link degrade signaling via ACQES. Handlers and new additions to the SET_FEATURES mbox command are implemented so that link degrade parameters for 64GB capable links are reported through EDC ELS frames. Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart --- drivers/scsi/lpfc/lpfc.h | 6 ++ drivers/scsi/lpfc/lpfc_crtn.h | 1 + drivers/scsi/lpfc/lpfc_els.c | 154 ++++++++++++++++++++++--------- drivers/scsi/lpfc/lpfc_hbadisc.c | 10 +- drivers/scsi/lpfc/lpfc_hw4.h | 30 +++--- drivers/scsi/lpfc/lpfc_init.c | 26 +++++- drivers/scsi/lpfc/lpfc_logmsg.h | 2 +- drivers/scsi/lpfc/lpfc_sli.c | 63 ++++++++++++- 8 files changed, 224 insertions(+), 68 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 68b3bd70dd52..9ad233b40a9e 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -403,6 +403,7 @@ struct lpfc_trunk_link { link1, link2, link3; + u32 phy_lnk_speed; }; /* Format of congestion module parameters */ @@ -1596,6 +1597,11 @@ struct lpfc_hba { char os_host_name[MAXHOSTNAMELEN]; + /* LD Signaling */ + u32 degrade_activate_threshold; + u32 degrade_deactivate_threshold; + u32 fec_degrade_interval; + atomic_t dbg_log_idx; atomic_t dbg_log_cnt; atomic_t dbg_log_dmping; diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 84880b567dbb..d2d207791056 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -78,6 +78,7 @@ int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt); void lpfc_free_iocb_list(struct lpfc_hba *phba); int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, struct lpfc_queue *drq, int count, int idx); +int lpfc_read_lds_params(struct lpfc_hba *phba); uint32_t lpfc_calc_cmf_latency(struct lpfc_hba *phba); void lpfc_cmf_signal_init(struct lpfc_hba *phba); void lpfc_cmf_start(struct lpfc_hba *phba); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 642d90af4f09..863b2125fed6 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3988,7 +3988,8 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; /* ELS cmd tag completes */ - lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "4676 Fabric EDC Rsp: " "0x%02x, 0x%08x\n", edc_rsp->acc_hdr.la_cmd, @@ -4025,18 +4026,18 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != sizeof(struct fc_diag_lnkflt_desc)) { - lpfc_printf_log( - phba, KERN_WARNING, LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "6462 Truncated Link Fault Diagnostic " "descriptor[%d]: %d vs 0x%zx 0x%zx\n", desc_cnt, bytes_remain, FC_TLV_DESC_SZ_FROM_LENGTH(tlv), - sizeof(struct fc_diag_cg_sig_desc)); + sizeof(struct fc_diag_lnkflt_desc)); goto out; } plnkflt = (struct fc_diag_lnkflt_desc *)tlv; - lpfc_printf_log( - phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_LDS_EVENT, "4617 Link Fault Desc Data: 0x%08x 0x%08x " "0x%08x 0x%08x 0x%08x\n", be32_to_cpu(plnkflt->desc_tag), @@ -4116,8 +4117,26 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, } static void -lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_diag_cg_sig_desc *cgd) +lpfc_format_edc_lft_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) { + struct fc_diag_lnkflt_desc *lft = (struct fc_diag_lnkflt_desc *)tlv; + + lft->desc_tag = cpu_to_be32(ELS_DTAG_LNK_FAULT_CAP); + lft->desc_len = cpu_to_be32( + FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_diag_lnkflt_desc)); + + lft->degrade_activate_threshold = + cpu_to_be32(phba->degrade_activate_threshold); + lft->degrade_deactivate_threshold = + cpu_to_be32(phba->degrade_deactivate_threshold); + lft->fec_degrade_interval = cpu_to_be32(phba->fec_degrade_interval); +} + +static void +lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv) +{ + struct fc_diag_cg_sig_desc *cgd = (struct fc_diag_cg_sig_desc *)tlv; + /* We are assuming cgd was zero'ed before calling this routine */ /* Configure the congestion detection capability */ @@ -4161,6 +4180,23 @@ lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_diag_cg_sig_desc *cgd) cpu_to_be16(EDC_CG_SIGFREQ_MSEC); } +static bool +lpfc_link_is_lds_capable(struct lpfc_hba *phba) +{ + if (!(phba->lmt & LMT_64Gb)) + return false; + if (phba->sli_rev != LPFC_SLI_REV4) + return false; + + if (phba->sli4_hba.conf_trunk) { + if (phba->trunk_link.phy_lnk_speed == LPFC_USER_LINK_SPEED_64G) + return true; + } else if (phba->fc_linkspeed == LPFC_LINK_SPEED_64GHZ) { + return true; + } + return false; +} + /** * lpfc_issue_els_edc - Exchange Diagnostic Capabilities with the fabric. * @vport: pointer to a host virtual N_Port data structure. @@ -4188,12 +4224,12 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry) { struct lpfc_hba *phba = vport->phba; struct lpfc_iocbq *elsiocb; - struct lpfc_els_edc_req *edc_req; - struct fc_diag_cg_sig_desc *cgn_desc; + struct fc_els_edc *edc_req; + struct fc_tlv_desc *tlv; u16 cmdsize; struct lpfc_nodelist *ndlp; u8 *pcmd = NULL; - u32 edc_req_size, cgn_desc_size; + u32 cgn_desc_size, lft_desc_size; int rc; if (vport->port_type == LPFC_NPIV_PORT) @@ -4203,13 +4239,17 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry) if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) return -ENODEV; - /* If HBA doesn't support signals, drop into RDF */ - if (!phba->cgn_init_reg_signal) + cgn_desc_size = (phba->cgn_init_reg_signal) ? + sizeof(struct fc_diag_cg_sig_desc) : 0; + lft_desc_size = (lpfc_link_is_lds_capable(phba)) ? + sizeof(struct fc_diag_lnkflt_desc) : 0; + cmdsize = cgn_desc_size + lft_desc_size; + + /* Skip EDC if no applicable descriptors */ + if (!cmdsize) goto try_rdf; - edc_req_size = sizeof(struct fc_els_edc); - cgn_desc_size = sizeof(struct fc_diag_cg_sig_desc); - cmdsize = edc_req_size + cgn_desc_size; + cmdsize += sizeof(struct fc_els_edc); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, ndlp->nlp_DID, ELS_CMD_EDC); if (!elsiocb) @@ -4218,15 +4258,19 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry) /* Configure the payload for the supported Diagnostics capabilities. */ pcmd = (u8 *)elsiocb->cmd_dmabuf->virt; memset(pcmd, 0, cmdsize); - edc_req = (struct lpfc_els_edc_req *)pcmd; - edc_req->edc.desc_len = cpu_to_be32(cgn_desc_size); - edc_req->edc.edc_cmd = ELS_EDC; - - cgn_desc = &edc_req->cgn_desc; + edc_req = (struct fc_els_edc *)pcmd; + edc_req->desc_len = cpu_to_be32(cgn_desc_size + lft_desc_size); + edc_req->edc_cmd = ELS_EDC; + tlv = edc_req->desc; - lpfc_format_edc_cgn_desc(phba, cgn_desc); + if (cgn_desc_size) { + lpfc_format_edc_cgn_desc(phba, tlv); + phba->cgn_sig_freq = lpfc_fabric_cgn_frequency; + tlv = fc_tlv_next_desc(tlv); + } - phba->cgn_sig_freq = lpfc_fabric_cgn_frequency; + if (lft_desc_size) + lpfc_format_edc_lft_desc(phba, tlv); lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, "4623 Xmit EDC to remote " @@ -5780,14 +5824,21 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, struct lpfc_nodelist *ndlp) { struct lpfc_hba *phba = vport->phba; - struct lpfc_els_edc_rsp *edc_rsp; + struct fc_els_edc_resp *edc_rsp; + struct fc_tlv_desc *tlv; struct lpfc_iocbq *elsiocb; IOCB_t *icmd, *cmd; union lpfc_wqe128 *wqe; + u32 cgn_desc_size, lft_desc_size; + u16 cmdsize; uint8_t *pcmd; - int cmdsize, rc; + int rc; - cmdsize = sizeof(struct lpfc_els_edc_rsp); + cmdsize = sizeof(struct fc_els_edc_resp); + cgn_desc_size = sizeof(struct fc_diag_cg_sig_desc); + lft_desc_size = (lpfc_link_is_lds_capable(phba)) ? + sizeof(struct fc_diag_lnkflt_desc) : 0; + cmdsize += cgn_desc_size + lft_desc_size; elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, cmdiocb->retry, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); if (!elsiocb) @@ -5809,15 +5860,19 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, pcmd = elsiocb->cmd_dmabuf->virt; memset(pcmd, 0, cmdsize); - edc_rsp = (struct lpfc_els_edc_rsp *)pcmd; - edc_rsp->edc_rsp.acc_hdr.la_cmd = ELS_LS_ACC; - edc_rsp->edc_rsp.desc_list_len = cpu_to_be32( - FC_TLV_DESC_LENGTH_FROM_SZ(struct lpfc_els_edc_rsp)); - edc_rsp->edc_rsp.lsri.desc_tag = cpu_to_be32(ELS_DTAG_LS_REQ_INFO); - edc_rsp->edc_rsp.lsri.desc_len = cpu_to_be32( + edc_rsp = (struct fc_els_edc_resp *)pcmd; + edc_rsp->acc_hdr.la_cmd = ELS_LS_ACC; + edc_rsp->desc_list_len = cpu_to_be32(sizeof(struct fc_els_lsri_desc) + + cgn_desc_size + lft_desc_size); + edc_rsp->lsri.desc_tag = cpu_to_be32(ELS_DTAG_LS_REQ_INFO); + edc_rsp->lsri.desc_len = cpu_to_be32( FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_els_lsri_desc)); - edc_rsp->edc_rsp.lsri.rqst_w0.cmd = ELS_EDC; - lpfc_format_edc_cgn_desc(phba, &edc_rsp->cgn_desc); + edc_rsp->lsri.rqst_w0.cmd = ELS_EDC; + tlv = edc_rsp->desc; + lpfc_format_edc_cgn_desc(phba, tlv); + tlv = fc_tlv_next_desc(tlv); + if (lft_desc_size) + lpfc_format_edc_lft_desc(phba, tlv); lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP, "Issue EDC ACC: did:x%x flg:x%x refcnt %d", @@ -9082,7 +9137,7 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, uint32_t *ptr, dtag; const char *dtag_nm; int desc_cnt = 0, bytes_remain; - bool rcv_cap_desc = false; + struct fc_diag_lnkflt_desc *plnkflt; payload = cmdiocb->cmd_dmabuf->virt; @@ -9090,7 +9145,8 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, bytes_remain = be32_to_cpu(edc_req->desc_len); ptr = (uint32_t *)payload; - lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT, + lpfc_printf_vlog(vport, KERN_INFO, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "3319 Rcv EDC payload len %d: x%x x%x x%x\n", bytes_remain, be32_to_cpu(*ptr), be32_to_cpu(*(ptr + 1)), be32_to_cpu(*(ptr + 2))); @@ -9109,9 +9165,10 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * cycle through EDC diagnostic descriptors to find the * congestion signaling capability descriptor */ - while (bytes_remain && !rcv_cap_desc) { + while (bytes_remain) { if (bytes_remain < FC_TLV_DESC_HDR_SZ) { - lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "6464 Truncated TLV hdr on " "Diagnostic descriptor[%d]\n", desc_cnt); @@ -9124,16 +9181,27 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || FC_TLV_DESC_SZ_FROM_LENGTH(tlv) != sizeof(struct fc_diag_lnkflt_desc)) { - lpfc_printf_log( - phba, KERN_WARNING, LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "6465 Truncated Link Fault Diagnostic " "descriptor[%d]: %d vs 0x%zx 0x%zx\n", desc_cnt, bytes_remain, FC_TLV_DESC_SZ_FROM_LENGTH(tlv), - sizeof(struct fc_diag_cg_sig_desc)); + sizeof(struct fc_diag_lnkflt_desc)); goto out; } - /* No action for Link Fault descriptor for now */ + plnkflt = (struct fc_diag_lnkflt_desc *)tlv; + lpfc_printf_log(phba, KERN_INFO, + LOG_ELS | LOG_LDS_EVENT, + "4626 Link Fault Desc Data: x%08x len x%x " + "da x%x dd x%x interval x%x\n", + be32_to_cpu(plnkflt->desc_tag), + be32_to_cpu(plnkflt->desc_len), + be32_to_cpu( + plnkflt->degrade_activate_threshold), + be32_to_cpu( + plnkflt->degrade_deactivate_threshold), + be32_to_cpu(plnkflt->fec_degrade_interval)); break; case ELS_DTAG_CG_SIGNAL_CAP: if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) || @@ -9160,11 +9228,11 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, lpfc_least_capable_settings( phba, (struct fc_diag_cg_sig_desc *)tlv); - rcv_cap_desc = true; break; default: dtag_nm = lpfc_get_tlv_dtag_nm(dtag); - lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT, + lpfc_printf_log(phba, KERN_WARNING, + LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT, "6467 unknown Diagnostic " "Descriptor[%d]: tag x%x (%s)\n", desc_cnt, dtag, dtag_nm); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 24d533c0b729..2b79351dfd11 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1242,6 +1242,8 @@ lpfc_linkdown(struct lpfc_hba *phba) phba->trunk_link.link1.state = 0; phba->trunk_link.link2.state = 0; phba->trunk_link.link3.state = 0; + phba->trunk_link.phy_lnk_speed = + LPFC_LINK_SPEED_UNKNOWN; phba->sli4_hba.link_state.logical_speed = LPFC_LINK_SPEED_UNKNOWN; } @@ -3794,6 +3796,9 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) if (phba->cmf_active_mode != LPFC_CFG_OFF) lpfc_cmf_signal_init(phba); + if (phba->lmt & LMT_64Gb) + lpfc_read_lds_params(phba); + } else if (attn_type == LPFC_ATT_LINK_DOWN || attn_type == LPFC_ATT_UNEXP_WWPN) { phba->fc_stat.LinkDown++; @@ -4393,8 +4398,11 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) rc = lpfc_issue_els_edc(vport, 0); lpfc_printf_log(phba, KERN_INFO, LOG_INIT | LOG_ELS | LOG_DISCOVERY, - "4220 EDC issue error x%x, Data: x%x\n", + "4220 Issue EDC status x%x Data x%x\n", rc, phba->cgn_init_reg_signal); + } else if (phba->lmt & LMT_64Gb) { + /* may send link fault capability descriptor */ + lpfc_issue_els_edc(vport, 0); } else { lpfc_issue_els_rdf(vport, 0); } diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index ca49679e87b9..5288fc69908a 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -3484,9 +3484,10 @@ struct lpfc_sli4_parameters { #define LPFC_SET_UE_RECOVERY 0x10 #define LPFC_SET_MDS_DIAGS 0x12 -#define LPFC_SET_CGN_SIGNAL 0x1f #define LPFC_SET_DUAL_DUMP 0x1e +#define LPFC_SET_CGN_SIGNAL 0x1f #define LPFC_SET_ENABLE_MI 0x21 +#define LPFC_SET_LD_SIGNAL 0x23 #define LPFC_SET_ENABLE_CMF 0x24 struct lpfc_mbx_set_feature { struct mbox_header header; @@ -3517,13 +3518,17 @@ struct lpfc_mbx_set_feature { #define lpfc_mbx_set_feature_cmf_SHIFT 0 #define lpfc_mbx_set_feature_cmf_MASK 0x00000001 #define lpfc_mbx_set_feature_cmf_WORD word6 +#define lpfc_mbx_set_feature_lds_qry_SHIFT 0 +#define lpfc_mbx_set_feature_lds_qry_MASK 0x00000001 +#define lpfc_mbx_set_feature_lds_qry_WORD word6 +#define LPFC_QUERY_LDS_OP 1 #define lpfc_mbx_set_feature_mi_SHIFT 0 #define lpfc_mbx_set_feature_mi_MASK 0x0000ffff #define lpfc_mbx_set_feature_mi_WORD word6 #define lpfc_mbx_set_feature_milunq_SHIFT 16 #define lpfc_mbx_set_feature_milunq_MASK 0x0000ffff #define lpfc_mbx_set_feature_milunq_WORD word6 - uint32_t word7; + u32 word7; #define lpfc_mbx_set_feature_UERP_SHIFT 0 #define lpfc_mbx_set_feature_UERP_MASK 0x0000ffff #define lpfc_mbx_set_feature_UERP_WORD word7 @@ -3537,6 +3542,8 @@ struct lpfc_mbx_set_feature { #define lpfc_mbx_set_feature_CGN_acqe_freq_SHIFT 0 #define lpfc_mbx_set_feature_CGN_acqe_freq_MASK 0x000000ff #define lpfc_mbx_set_feature_CGN_acqe_freq_WORD word8 + u32 word9; + u32 word10; }; @@ -4314,7 +4321,7 @@ struct lpfc_acqe_cgn_signal { struct lpfc_acqe_sli { uint32_t event_data1; uint32_t event_data2; - uint32_t reserved; + uint32_t event_data3; uint32_t trailer; #define LPFC_SLI_EVENT_TYPE_PORT_ERROR 0x1 #define LPFC_SLI_EVENT_TYPE_OVER_TEMP 0x2 @@ -4327,6 +4334,7 @@ struct lpfc_acqe_sli { #define LPFC_SLI_EVENT_TYPE_MISCONF_FAWWN 0xF #define LPFC_SLI_EVENT_TYPE_EEPROM_FAILURE 0x10 #define LPFC_SLI_EVENT_TYPE_CGN_SIGNAL 0x11 +#define LPFC_SLI_EVENT_TYPE_RD_SIGNAL 0x12 }; /* @@ -5050,22 +5058,6 @@ struct lpfc_grp_hdr { { FPIN_CONGN_SEVERITY_ERROR, "Alarm" }, \ } -/* EDC supports two descriptors. When allocated, it is the - * size of this structure plus each supported descriptor. - */ -struct lpfc_els_edc_req { - struct fc_els_edc edc; /* hdr up to descriptors */ - struct fc_diag_cg_sig_desc cgn_desc; /* 1st descriptor */ -}; - -/* Minimum structure defines for the EDC response. - * Balance is in buffer. - */ -struct lpfc_els_edc_rsp { - struct fc_els_edc_resp edc_rsp; /* hdr up to descriptors */ - struct fc_diag_cg_sig_desc cgn_desc; /* 1st descriptor */ -}; - /* Used for logging FPIN messages */ #define LPFC_FPIN_WWPN_LINE_SZ 128 #define LPFC_FPIN_WWPN_LINE_CNT 6 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index b170e9e9f167..511220aa43f5 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -6185,6 +6185,7 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, { uint8_t port_fault = bf_get(lpfc_acqe_fc_la_trunk_linkmask, acqe_fc); uint8_t err = bf_get(lpfc_acqe_fc_la_trunk_fault, acqe_fc); + u8 cnt = 0; phba->sli4_hba.link_state.speed = lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC, @@ -6203,26 +6204,36 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba, bf_get(lpfc_acqe_fc_la_trunk_link_status_port0, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link0.fault = port_fault & 0x1 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port1, acqe_fc)) { phba->trunk_link.link1.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port1, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link1.fault = port_fault & 0x2 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port2, acqe_fc)) { phba->trunk_link.link2.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port2, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link2.fault = port_fault & 0x4 ? err : 0; + cnt++; } if (bf_get(lpfc_acqe_fc_la_trunk_config_port3, acqe_fc)) { phba->trunk_link.link3.state = bf_get(lpfc_acqe_fc_la_trunk_link_status_port3, acqe_fc) ? LPFC_LINK_UP : LPFC_LINK_DOWN; phba->trunk_link.link3.fault = port_fault & 0x8 ? err : 0; + cnt++; } + if (cnt) + phba->trunk_link.phy_lnk_speed = + phba->sli4_hba.link_state.logical_speed / (cnt * 1000); + else + phba->trunk_link.phy_lnk_speed = LPFC_LINK_SPEED_UNKNOWN; + lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT, "2910 Async FC Trunking Event - Speed:%d\n" "\tLogical speed:%d " @@ -6300,7 +6311,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) == LPFC_FC_LA_TYPE_LINK_DOWN) phba->sli4_hba.link_state.logical_speed = 0; - else if (!phba->sli4_hba.conf_trunk) + else if (!phba->sli4_hba.conf_trunk) phba->sli4_hba.link_state.logical_speed = bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10; @@ -6418,7 +6429,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) "2901 Async SLI event - Type:%d, Event Data: x%08x " "x%08x x%08x x%08x\n", evt_type, acqe_sli->event_data1, acqe_sli->event_data2, - acqe_sli->reserved, acqe_sli->trailer); + acqe_sli->event_data3, acqe_sli->trailer); port_name = phba->Port[0]; if (port_name == 0x00) @@ -6447,7 +6458,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) temp_event_data.event_code = LPFC_NORMAL_TEMP; temp_event_data.data = (uint32_t)acqe_sli->event_data1; - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + lpfc_printf_log(phba, KERN_INFO, LOG_SLI | LOG_LDS_EVENT, "3191 Normal Temperature:%d Celsius - Port Name %c\n", acqe_sli->event_data1, port_name); @@ -6625,6 +6636,15 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli) } } break; + case LPFC_SLI_EVENT_TYPE_RD_SIGNAL: + /* May be accompanied by a temperature event */ + lpfc_printf_log(phba, KERN_INFO, + LOG_SLI | LOG_LINK_EVENT | LOG_LDS_EVENT, + "2902 Remote Degrade Signaling: x%08x x%08x " + "x%08x\n", + acqe_sli->event_data1, acqe_sli->event_data2, + acqe_sli->event_data3); + break; default: lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3193 Unrecognized SLI event, type: 0x%x", diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h index 4d455da9cd69..b39cefcd8703 100644 --- a/drivers/scsi/lpfc/lpfc_logmsg.h +++ b/drivers/scsi/lpfc/lpfc_logmsg.h @@ -35,7 +35,7 @@ #define LOG_FCP_ERROR 0x00001000 /* log errors, not underruns */ #define LOG_LIBDFC 0x00002000 /* Libdfc events */ #define LOG_VPORT 0x00004000 /* NPIV events */ -#define LOG_SECURITY 0x00008000 /* Security events */ +#define LOG_LDS_EVENT 0x00008000 /* Link Degrade Signaling events */ #define LOG_EVENT 0x00010000 /* CT,TEMP,DUMP, logging */ #define LOG_FIP 0x00020000 /* FIP events */ #define LOG_FCP_UNDER 0x00040000 /* FCP underruns errors */ diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 002794975cd9..06987d4013d5 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -6830,8 +6830,13 @@ lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, bf_set(lpfc_mbx_set_feature_mi, &mbox->u.mqe.un.set_feature, phba->sli4_hba.pc_sli4_params.mi_ver); break; + case LPFC_SET_LD_SIGNAL: + mbox->u.mqe.un.set_feature.feature = LPFC_SET_LD_SIGNAL; + mbox->u.mqe.un.set_feature.param_len = 16; + bf_set(lpfc_mbx_set_feature_lds_qry, + &mbox->u.mqe.un.set_feature, LPFC_QUERY_LDS_OP); + break; case LPFC_SET_ENABLE_CMF: - bf_set(lpfc_mbx_set_feature_dd, &mbox->u.mqe.un.set_feature, 1); mbox->u.mqe.un.set_feature.feature = LPFC_SET_ENABLE_CMF; mbox->u.mqe.un.set_feature.param_len = 4; bf_set(lpfc_mbx_set_feature_cmf, @@ -7826,6 +7831,62 @@ lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, return 1; } +static void +lpfc_mbx_cmpl_read_lds_params(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) +{ + union lpfc_sli4_cfg_shdr *shdr; + u32 shdr_status, shdr_add_status; + + shdr = (union lpfc_sli4_cfg_shdr *) + &pmb->u.mqe.un.sli4_config.header.cfg_shdr; + shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response); + shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response); + if (shdr_status || shdr_add_status || pmb->u.mb.mbxStatus) { + lpfc_printf_log(phba, KERN_INFO, LOG_LDS_EVENT | LOG_MBOX, + "4622 SET_FEATURE (x%x) mbox failed, " + "status x%x add_status x%x, mbx status x%x\n", + LPFC_SET_LD_SIGNAL, shdr_status, + shdr_add_status, pmb->u.mb.mbxStatus); + phba->degrade_activate_threshold = 0; + phba->degrade_deactivate_threshold = 0; + phba->fec_degrade_interval = 0; + goto out; + } + + phba->degrade_activate_threshold = pmb->u.mqe.un.set_feature.word7; + phba->degrade_deactivate_threshold = pmb->u.mqe.un.set_feature.word8; + phba->fec_degrade_interval = pmb->u.mqe.un.set_feature.word10; + + lpfc_printf_log(phba, KERN_INFO, LOG_LDS_EVENT, + "4624 Success: da x%x dd x%x interval x%x\n", + phba->degrade_activate_threshold, + phba->degrade_deactivate_threshold, + phba->fec_degrade_interval); +out: + mempool_free(pmb, phba->mbox_mem_pool); +} + +int +lpfc_read_lds_params(struct lpfc_hba *phba) +{ + LPFC_MBOXQ_t *mboxq; + int rc; + + mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mboxq) + return -ENOMEM; + + lpfc_set_features(phba, mboxq, LPFC_SET_LD_SIGNAL); + mboxq->vport = phba->pport; + mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_lds_params; + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); + if (rc == MBX_NOT_FINISHED) { + mempool_free(mboxq, phba->mbox_mem_pool); + return -EIO; + } + return 0; +} + static void lpfc_mbx_cmpl_cgn_set_ftrs(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) {