From dbb1e2ff87a63b665e93ffee54b46076e9c73d5f Mon Sep 17 00:00:00 2001 From: James Smart Date: Sun, 11 Sep 2022 15:15:03 -0700 Subject: scsi: lpfc: Add reporting capability for Link Degrade Signaling 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. Link: https://lore.kernel.org/r/20220911221505.117655-12-jsmart2021@gmail.com Co-developed-by: Justin Tee Signed-off-by: Justin Tee Signed-off-by: James Smart Signed-off-by: Martin K. Petersen --- drivers/scsi/lpfc/lpfc_init.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'drivers/scsi/lpfc/lpfc_init.c') 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", -- cgit v1.2.3