From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 13 May 2024 10:30:14 +0000 Subject: [PATCH] modify sin led gpio --- kernel/drivers/scsi/lpfc/lpfc_bsg.c | 628 +++++++++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 547 insertions(+), 81 deletions(-) diff --git a/kernel/drivers/scsi/lpfc/lpfc_bsg.c b/kernel/drivers/scsi/lpfc/lpfc_bsg.c index 21f104c..6f9d648 100644 --- a/kernel/drivers/scsi/lpfc/lpfc_bsg.c +++ b/kernel/drivers/scsi/lpfc/lpfc_bsg.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2017-2018 Broadcom. All Rights Reserved. The term * + * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term * * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * * Copyright (C) 2009-2015 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * @@ -27,6 +27,7 @@ #include <linux/delay.h> #include <linux/list.h> #include <linux/bsg-lib.h> +#include <linux/vmalloc.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> @@ -1039,7 +1040,7 @@ if (!dmabuf) { lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, "2616 No dmabuf " - "found for iocbq 0x%p\n", + "found for iocbq x%px\n", iocbq); kfree(evt_dat->data); kfree(evt_dat); @@ -1275,9 +1276,7 @@ return 0; /* call job done later */ job_error: - if (dd_data != NULL) - kfree(dd_data); - + kfree(dd_data); job->dd_data = NULL; return rc; } @@ -1570,7 +1569,6 @@ "2722 Xmit CT response on exchange x%x Data: x%x x%x x%x\n", icmd->ulpContext, icmd->ulpIoTag, tag, phba->link_state); - ctiocb->iocb_cmpl = NULL; ctiocb->iocb_flag |= LPFC_IO_LIBDFC; ctiocb->vport = phba->pport; ctiocb->context1 = dd_data; @@ -1967,14 +1965,17 @@ } /** - * lpfc_sli4_bsg_set_internal_loopback - set sli4 internal loopback diagnostic + * lpfc_sli4_bsg_set_loopback_mode - set sli4 internal loopback diagnostic * @phba: Pointer to HBA context object. + * @mode: loopback mode to set + * @link_no: link number for loopback mode to set * * This function is responsible for issuing a sli4 mailbox command for setting - * up internal loopback diagnostic. + * up loopback diagnostic for a link. */ static int -lpfc_sli4_bsg_set_internal_loopback(struct lpfc_hba *phba) +lpfc_sli4_bsg_set_loopback_mode(struct lpfc_hba *phba, int mode, + uint32_t link_no) { LPFC_MBOXQ_t *pmboxq; uint32_t req_len, alloc_len; @@ -1995,11 +1996,19 @@ } link_diag_loopback = &pmboxq->u.mqe.un.link_diag_loopback; bf_set(lpfc_mbx_set_diag_state_link_num, - &link_diag_loopback->u.req, phba->sli4_hba.lnk_info.lnk_no); - bf_set(lpfc_mbx_set_diag_state_link_type, - &link_diag_loopback->u.req, phba->sli4_hba.lnk_info.lnk_tp); + &link_diag_loopback->u.req, link_no); + + if (phba->sli4_hba.conf_trunk & (1 << link_no)) { + bf_set(lpfc_mbx_set_diag_state_link_type, + &link_diag_loopback->u.req, LPFC_LNK_FC_TRUNKED); + } else { + bf_set(lpfc_mbx_set_diag_state_link_type, + &link_diag_loopback->u.req, + phba->sli4_hba.lnk_info.lnk_tp); + } + bf_set(lpfc_mbx_set_diag_lpbk_type, &link_diag_loopback->u.req, - LPFC_DIAG_LOOPBACK_TYPE_INTERNAL); + mode); mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus)) { @@ -2053,7 +2062,7 @@ struct fc_bsg_request *bsg_request = job->request; struct fc_bsg_reply *bsg_reply = job->reply; struct diag_mode_set *loopback_mode; - uint32_t link_flags, timeout; + uint32_t link_flags, timeout, link_no; int i, rc = 0; /* no data to return just the return code */ @@ -2068,12 +2077,39 @@ (int)(sizeof(struct fc_bsg_request) + sizeof(struct diag_mode_set))); rc = -EINVAL; - goto job_error; + goto job_done; + } + + loopback_mode = (struct diag_mode_set *) + bsg_request->rqst_data.h_vendor.vendor_cmd; + link_flags = loopback_mode->type; + timeout = loopback_mode->timeout * 100; + + if (loopback_mode->physical_link == -1) + link_no = phba->sli4_hba.lnk_info.lnk_no; + else + link_no = loopback_mode->physical_link; + + if (link_flags == DISABLE_LOOP_BACK) { + rc = lpfc_sli4_bsg_set_loopback_mode(phba, + LPFC_DIAG_LOOPBACK_TYPE_DISABLE, + link_no); + if (!rc) { + /* Unset the need disable bit */ + phba->sli4_hba.conf_trunk &= ~((1 << link_no) << 4); + } + goto job_done; + } else { + /* Check if we need to disable the loopback state */ + if (phba->sli4_hba.conf_trunk & ((1 << link_no) << 4)) { + rc = -EPERM; + goto job_done; + } } rc = lpfc_bsg_diag_mode_enter(phba); if (rc) - goto job_error; + goto job_done; /* indicate we are in loobpack diagnostic mode */ spin_lock_irq(&phba->hbalock); @@ -2083,15 +2119,11 @@ /* reset port to start frome scratch */ rc = lpfc_selective_reset(phba); if (rc) - goto job_error; + goto job_done; /* bring the link to diagnostic mode */ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3129 Bring link to diagnostic state.\n"); - loopback_mode = (struct diag_mode_set *) - bsg_request->rqst_data.h_vendor.vendor_cmd; - link_flags = loopback_mode->type; - timeout = loopback_mode->timeout * 100; rc = lpfc_sli4_bsg_set_link_diag_state(phba, 1); if (rc) { @@ -2119,13 +2151,54 @@ lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3132 Set up loopback mode:x%x\n", link_flags); - if (link_flags == INTERNAL_LOOP_BACK) - rc = lpfc_sli4_bsg_set_internal_loopback(phba); - else if (link_flags == EXTERNAL_LOOP_BACK) - rc = lpfc_hba_init_link_fc_topology(phba, - FLAGS_TOPOLOGY_MODE_PT_PT, - MBX_NOWAIT); - else { + switch (link_flags) { + case INTERNAL_LOOP_BACK: + if (phba->sli4_hba.conf_trunk & (1 << link_no)) { + rc = lpfc_sli4_bsg_set_loopback_mode(phba, + LPFC_DIAG_LOOPBACK_TYPE_INTERNAL, + link_no); + } else { + /* Trunk is configured, but link is not in this trunk */ + if (phba->sli4_hba.conf_trunk) { + rc = -ELNRNG; + goto loopback_mode_exit; + } + + rc = lpfc_sli4_bsg_set_loopback_mode(phba, + LPFC_DIAG_LOOPBACK_TYPE_INTERNAL, + link_no); + } + + if (!rc) { + /* Set the need disable bit */ + phba->sli4_hba.conf_trunk |= (1 << link_no) << 4; + } + + break; + case EXTERNAL_LOOP_BACK: + if (phba->sli4_hba.conf_trunk & (1 << link_no)) { + rc = lpfc_sli4_bsg_set_loopback_mode(phba, + LPFC_DIAG_LOOPBACK_TYPE_EXTERNAL_TRUNKED, + link_no); + } else { + /* Trunk is configured, but link is not in this trunk */ + if (phba->sli4_hba.conf_trunk) { + rc = -ELNRNG; + goto loopback_mode_exit; + } + + rc = lpfc_sli4_bsg_set_loopback_mode(phba, + LPFC_DIAG_LOOPBACK_TYPE_SERDES, + link_no); + } + + if (!rc) { + /* Set the need disable bit */ + phba->sli4_hba.conf_trunk |= (1 << link_no) << 4; + } + + break; + default: rc = -EINVAL; lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, "3141 Loopback mode:x%x not supported\n", @@ -2184,7 +2257,7 @@ } lpfc_bsg_diag_mode_exit(phba); -job_error: +job_done: /* make error code available to userspace */ bsg_reply->result = rc; /* complete the job back to userspace if no error */ @@ -2331,33 +2404,27 @@ union lpfc_sli4_cfg_shdr *shdr; uint32_t shdr_status, shdr_add_status; struct diag_status *diag_status_reply; - int mbxstatus, rc = 0; + int mbxstatus, rc = -ENODEV, rc1 = 0; shost = fc_bsg_to_shost(job); - if (!shost) { - rc = -ENODEV; + if (!shost) goto job_error; - } - vport = shost_priv(shost); - if (!vport) { - rc = -ENODEV; - goto job_error; - } - phba = vport->phba; - if (!phba) { - rc = -ENODEV; - goto job_error; - } - if (phba->sli_rev < LPFC_SLI_REV4) { - rc = -ENODEV; + vport = shost_priv(shost); + if (!vport) goto job_error; - } + + phba = vport->phba; + if (!phba) + goto job_error; + + + if (phba->sli_rev < LPFC_SLI_REV4) + goto job_error; + if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) < - LPFC_SLI_INTF_IF_TYPE_2) { - rc = -ENODEV; + LPFC_SLI_INTF_IF_TYPE_2) goto job_error; - } if (job->request_len < sizeof(struct fc_bsg_request) + sizeof(struct sli4_link_diag)) { @@ -2392,8 +2459,10 @@ alloc_len = lpfc_sli4_config(phba, pmboxq, LPFC_MBOX_SUBSYSTEM_FCOE, LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE, req_len, LPFC_SLI4_MBX_EMBED); - if (alloc_len != req_len) + if (alloc_len != req_len) { + rc = -ENOMEM; goto link_diag_test_exit; + } run_link_diag_test = &pmboxq->u.mqe.un.link_diag_test; bf_set(lpfc_mbx_run_diag_test_link_num, &run_link_diag_test->u.req, @@ -2425,13 +2494,12 @@ diag_status_reply = (struct diag_status *) bsg_reply->reply_data.vendor_reply.vendor_rsp; - if (job->reply_len < - sizeof(struct fc_bsg_request) + sizeof(struct diag_status)) { + if (job->reply_len < sizeof(*bsg_reply) + sizeof(*diag_status_reply)) { lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, "3012 Received Run link diag test reply " "below minimum size (%d): reply_len:%d\n", - (int)(sizeof(struct fc_bsg_request) + - sizeof(struct diag_status)), + (int)(sizeof(*bsg_reply) + + sizeof(*diag_status_reply)), job->reply_len); rc = -EINVAL; goto job_error; @@ -2442,7 +2510,7 @@ diag_status_reply->shdr_add_status = shdr_add_status; link_diag_test_exit: - rc = lpfc_sli4_bsg_set_link_diag_state(phba, 0); + rc1 = lpfc_sli4_bsg_set_link_diag_state(phba, 0); if (pmboxq) mempool_free(pmboxq, phba->mbox_mem_pool); @@ -2451,6 +2519,8 @@ job_error: /* make error code available to userspace */ + if (rc1 && !rc) + rc = rc1; bsg_reply->result = rc; /* complete the job back to userspace if no error */ if (rc == 0) @@ -2500,9 +2570,9 @@ return -ENOMEM; } - dmabuff = (struct lpfc_dmabuf *) mbox->context1; - mbox->context1 = NULL; - mbox->context2 = NULL; + dmabuff = (struct lpfc_dmabuf *)mbox->ctx_buf; + mbox->ctx_buf = NULL; + mbox->ctx_ndlp = NULL; status = lpfc_sli_issue_mbox_wait(phba, mbox, LPFC_MBOX_TMO); if ((status != MBX_SUCCESS) || (mbox->u.mb.mbxStatus)) { @@ -2729,8 +2799,8 @@ INIT_LIST_HEAD(&dmabuf->list); /* now, allocate dma buffer */ - dmabuf->virt = dma_zalloc_coherent(&pcidev->dev, BSG_MBOX_SIZE, - &(dmabuf->phys), GFP_KERNEL); + dmabuf->virt = dma_alloc_coherent(&pcidev->dev, BSG_MBOX_SIZE, + &(dmabuf->phys), GFP_KERNEL); if (!dmabuf->virt) { kfree(dmabuf); @@ -2843,9 +2913,6 @@ if (nocopydata) { bpl->tus.f.bdeFlags = 0; - pci_dma_sync_single_for_device(phba->pcidev, - dmp->dma.phys, LPFC_BPL_SIZE, PCI_DMA_TODEVICE); - } else { memset((uint8_t *)dmp->dma.virt, 0, cnt); bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I; @@ -2949,7 +3016,7 @@ cmd->un.cont64[i].addrLow = putPaddrLow(mp[i]->phys); cmd->un.cont64[i].tus.f.bdeSize = ((struct lpfc_dmabufext *)mp[i])->size; - cmd->ulpBdeCount = ++i; + cmd->ulpBdeCount = ++i; if ((--num_bde > 0) && (i < 2)) continue; @@ -3350,8 +3417,7 @@ event_reply = (struct get_mgmt_rev_reply *) bsg_reply->reply_data.vendor_reply.vendor_rsp; - if (job->reply_len < - sizeof(struct fc_bsg_request) + sizeof(struct get_mgmt_rev_reply)) { + if (job->reply_len < sizeof(*bsg_reply) + sizeof(*event_reply)) { lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, "2741 Received GET_DFC_REV reply below " "minimum size\n"); @@ -3390,7 +3456,7 @@ unsigned long flags; uint8_t *pmb, *pmb_buf; - dd_data = pmboxq->context1; + dd_data = pmboxq->ctx_ndlp; /* * The outgoing buffer is readily referred from the dma buffer, @@ -3575,7 +3641,7 @@ struct lpfc_sli_config_mbox *sli_cfg_mbx; uint8_t *pmbx; - dd_data = pmboxq->context1; + dd_data = pmboxq->ctx_buf; /* Determine if job has been aborted */ spin_lock_irqsave(&phba->ct_ev_lock, flags); @@ -3962,7 +4028,7 @@ pmboxq->mbox_cmpl = lpfc_bsg_issue_read_mbox_ext_cmpl; /* context fields to callback function */ - pmboxq->context1 = dd_data; + pmboxq->ctx_buf = dd_data; dd_data->type = TYPE_MBOX; dd_data->set_job = job; dd_data->context_un.mbox.pmboxq = pmboxq; @@ -4133,7 +4199,7 @@ pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl; /* context fields to callback function */ - pmboxq->context1 = dd_data; + pmboxq->ctx_buf = dd_data; dd_data->type = TYPE_MBOX; dd_data->set_job = job; dd_data->context_un.mbox.pmboxq = pmboxq; @@ -4236,6 +4302,7 @@ case COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES: case COMN_OPCODE_GET_CNTL_ATTRIBUTES: case COMN_OPCODE_GET_PROFILE_CONFIG: + case COMN_OPCODE_SET_FEATURES: lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3106 Handled SLI_CONFIG " "subsys_comn, opcode:x%x\n", @@ -4479,7 +4546,7 @@ pmboxq->mbox_cmpl = lpfc_bsg_issue_write_mbox_ext_cmpl; /* context fields to callback function */ - pmboxq->context1 = dd_data; + pmboxq->ctx_buf = dd_data; dd_data->type = TYPE_MBOX; dd_data->set_job = job; dd_data->context_un.mbox.pmboxq = pmboxq; @@ -4687,7 +4754,7 @@ * Don't allow mailbox commands to be sent when blocked or when in * the middle of discovery */ - if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { + if (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO) { rc = -EAGAIN; goto job_done; } @@ -4766,7 +4833,7 @@ if (mbox_req->inExtWLen || mbox_req->outExtWLen) { from = pmbx; ext = from + sizeof(MAILBOX_t); - pmboxq->context2 = ext; + pmboxq->ctx_buf = ext; pmboxq->in_ext_byte_len = mbox_req->inExtWLen * sizeof(uint32_t); pmboxq->out_ext_byte_len = @@ -4894,7 +4961,7 @@ pmboxq->mbox_cmpl = lpfc_bsg_issue_mbox_cmpl; /* setup context field to pass wait_queue pointer to wake function */ - pmboxq->context1 = dd_data; + pmboxq->ctx_ndlp = dd_data; dd_data->type = TYPE_MBOX; dd_data->set_job = job; dd_data->context_un.mbox.pmboxq = pmboxq; @@ -5133,8 +5200,8 @@ goto no_dd_data; } - if (job->reply_len < - sizeof(struct fc_bsg_request) + sizeof(struct menlo_response)) { + if (job->reply_len < sizeof(*bsg_reply) + + sizeof(struct menlo_response)) { lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, "2785 Received MENLO_CMD reply below " "minimum size\n"); @@ -5290,9 +5357,7 @@ forced_reply = (struct forced_link_speed_support_reply *) bsg_reply->reply_data.vendor_reply.vendor_rsp; - if (job->reply_len < - sizeof(struct fc_bsg_request) + - sizeof(struct forced_link_speed_support_reply)) { + if (job->reply_len < sizeof(*bsg_reply) + sizeof(*forced_reply)) { lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, "0049 Received FORCED_LINK_SPEED reply below " "minimum size\n"); @@ -5309,6 +5374,392 @@ bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); return rc; +} + +/** + * lpfc_check_fwlog_support: Check FW log support on the adapter + * @phba: Pointer to HBA context object. + * + * Check if FW Logging support by the adapter + **/ +int +lpfc_check_fwlog_support(struct lpfc_hba *phba) +{ + struct lpfc_ras_fwlog *ras_fwlog = NULL; + + ras_fwlog = &phba->ras_fwlog; + + if (ras_fwlog->ras_hwsupport == false) + return -EACCES; + else if (ras_fwlog->ras_enabled == false) + return -EPERM; + else + return 0; +} + +/** + * lpfc_bsg_get_ras_config: Get RAS configuration settings + * @job: fc_bsg_job to handle + * + * Get RAS configuration values set. + **/ +static int +lpfc_bsg_get_ras_config(struct bsg_job *job) +{ + struct Scsi_Host *shost = fc_bsg_to_shost(job); + struct lpfc_vport *vport = shost_priv(shost); + struct fc_bsg_reply *bsg_reply = job->reply; + struct lpfc_hba *phba = vport->phba; + struct lpfc_bsg_get_ras_config_reply *ras_reply; + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + int rc = 0; + + if (job->request_len < + sizeof(struct fc_bsg_request) + + sizeof(struct lpfc_bsg_ras_req)) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "6192 FW_LOG request received " + "below minimum size\n"); + rc = -EINVAL; + goto ras_job_error; + } + + /* Check FW log status */ + rc = lpfc_check_fwlog_support(phba); + if (rc) + goto ras_job_error; + + ras_reply = (struct lpfc_bsg_get_ras_config_reply *) + bsg_reply->reply_data.vendor_reply.vendor_rsp; + + /* Current logging state */ + spin_lock_irq(&phba->hbalock); + if (ras_fwlog->state == ACTIVE) + ras_reply->state = LPFC_RASLOG_STATE_RUNNING; + else + ras_reply->state = LPFC_RASLOG_STATE_STOPPED; + spin_unlock_irq(&phba->hbalock); + + ras_reply->log_level = phba->ras_fwlog.fw_loglevel; + ras_reply->log_buff_sz = phba->cfg_ras_fwlog_buffsize; + +ras_job_error: + /* make error code available to userspace */ + bsg_reply->result = rc; + + /* complete the job back to userspace */ + if (!rc) + bsg_job_done(job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + return rc; +} + +/** + * lpfc_bsg_set_ras_config: Set FW logging parameters + * @job: fc_bsg_job to handle + * + * Set log-level parameters for FW-logging in host memory + **/ +static int +lpfc_bsg_set_ras_config(struct bsg_job *job) +{ + struct Scsi_Host *shost = fc_bsg_to_shost(job); + struct lpfc_vport *vport = shost_priv(shost); + struct lpfc_hba *phba = vport->phba; + struct lpfc_bsg_set_ras_config_req *ras_req; + struct fc_bsg_request *bsg_request = job->request; + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + struct fc_bsg_reply *bsg_reply = job->reply; + uint8_t action = 0, log_level = 0; + int rc = 0, action_status = 0; + + if (job->request_len < + sizeof(struct fc_bsg_request) + + sizeof(struct lpfc_bsg_set_ras_config_req)) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "6182 Received RAS_LOG request " + "below minimum size\n"); + rc = -EINVAL; + goto ras_job_error; + } + + /* Check FW log status */ + rc = lpfc_check_fwlog_support(phba); + if (rc) + goto ras_job_error; + + ras_req = (struct lpfc_bsg_set_ras_config_req *) + bsg_request->rqst_data.h_vendor.vendor_cmd; + action = ras_req->action; + log_level = ras_req->log_level; + + if (action == LPFC_RASACTION_STOP_LOGGING) { + /* Check if already disabled */ + spin_lock_irq(&phba->hbalock); + if (ras_fwlog->state != ACTIVE) { + spin_unlock_irq(&phba->hbalock); + rc = -ESRCH; + goto ras_job_error; + } + spin_unlock_irq(&phba->hbalock); + + /* Disable logging */ + lpfc_ras_stop_fwlog(phba); + } else { + /*action = LPFC_RASACTION_START_LOGGING*/ + + /* Even though FW-logging is active re-initialize + * FW-logging with new log-level. Return status + * "Logging already Running" to caller. + **/ + spin_lock_irq(&phba->hbalock); + if (ras_fwlog->state != INACTIVE) + action_status = -EINPROGRESS; + spin_unlock_irq(&phba->hbalock); + + /* Enable logging */ + rc = lpfc_sli4_ras_fwlog_init(phba, log_level, + LPFC_RAS_ENABLE_LOGGING); + if (rc) { + rc = -EINVAL; + goto ras_job_error; + } + + /* Check if FW-logging is re-initialized */ + if (action_status == -EINPROGRESS) + rc = action_status; + } +ras_job_error: + /* make error code available to userspace */ + bsg_reply->result = rc; + + /* complete the job back to userspace */ + if (!rc) + bsg_job_done(job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + + return rc; +} + +/** + * lpfc_bsg_get_ras_lwpd: Get log write position data + * @job: fc_bsg_job to handle + * + * Get Offset/Wrap count of the log message written + * in host memory + **/ +static int +lpfc_bsg_get_ras_lwpd(struct bsg_job *job) +{ + struct Scsi_Host *shost = fc_bsg_to_shost(job); + struct lpfc_vport *vport = shost_priv(shost); + struct lpfc_bsg_get_ras_lwpd *ras_reply; + struct lpfc_hba *phba = vport->phba; + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + struct fc_bsg_reply *bsg_reply = job->reply; + u32 *lwpd_ptr = NULL; + int rc = 0; + + rc = lpfc_check_fwlog_support(phba); + if (rc) + goto ras_job_error; + + if (job->request_len < + sizeof(struct fc_bsg_request) + + sizeof(struct lpfc_bsg_ras_req)) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "6183 Received RAS_LOG request " + "below minimum size\n"); + rc = -EINVAL; + goto ras_job_error; + } + + ras_reply = (struct lpfc_bsg_get_ras_lwpd *) + bsg_reply->reply_data.vendor_reply.vendor_rsp; + + if (!ras_fwlog->lwpd.virt) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "6193 Restart FW Logging\n"); + rc = -EINVAL; + goto ras_job_error; + } + + /* Get lwpd offset */ + lwpd_ptr = (uint32_t *)(ras_fwlog->lwpd.virt); + ras_reply->offset = be32_to_cpu(*lwpd_ptr & 0xffffffff); + + /* Get wrap count */ + ras_reply->wrap_count = be32_to_cpu(*(++lwpd_ptr) & 0xffffffff); + +ras_job_error: + /* make error code available to userspace */ + bsg_reply->result = rc; + + /* complete the job back to userspace */ + if (!rc) + bsg_job_done(job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + + return rc; +} + +/** + * lpfc_bsg_get_ras_fwlog: Read FW log + * @job: fc_bsg_job to handle + * + * Copy the FW log into the passed buffer. + **/ +static int +lpfc_bsg_get_ras_fwlog(struct bsg_job *job) +{ + struct Scsi_Host *shost = fc_bsg_to_shost(job); + struct lpfc_vport *vport = shost_priv(shost); + struct lpfc_hba *phba = vport->phba; + struct fc_bsg_request *bsg_request = job->request; + struct fc_bsg_reply *bsg_reply = job->reply; + struct lpfc_bsg_get_fwlog_req *ras_req; + u32 rd_offset, rd_index, offset; + void *src, *fwlog_buff; + struct lpfc_ras_fwlog *ras_fwlog = NULL; + struct lpfc_dmabuf *dmabuf, *next; + int rc = 0; + + ras_fwlog = &phba->ras_fwlog; + + rc = lpfc_check_fwlog_support(phba); + if (rc) + goto ras_job_error; + + /* Logging to be stopped before reading */ + spin_lock_irq(&phba->hbalock); + if (ras_fwlog->state == ACTIVE) { + spin_unlock_irq(&phba->hbalock); + rc = -EINPROGRESS; + goto ras_job_error; + } + spin_unlock_irq(&phba->hbalock); + + if (job->request_len < + sizeof(struct fc_bsg_request) + + sizeof(struct lpfc_bsg_get_fwlog_req)) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "6184 Received RAS_LOG request " + "below minimum size\n"); + rc = -EINVAL; + goto ras_job_error; + } + + ras_req = (struct lpfc_bsg_get_fwlog_req *) + bsg_request->rqst_data.h_vendor.vendor_cmd; + rd_offset = ras_req->read_offset; + + /* Allocate memory to read fw log*/ + fwlog_buff = vmalloc(ras_req->read_size); + if (!fwlog_buff) { + rc = -ENOMEM; + goto ras_job_error; + } + + rd_index = (rd_offset / LPFC_RAS_MAX_ENTRY_SIZE); + offset = (rd_offset % LPFC_RAS_MAX_ENTRY_SIZE); + + list_for_each_entry_safe(dmabuf, next, + &ras_fwlog->fwlog_buff_list, list) { + + if (dmabuf->buffer_tag < rd_index) + continue; + + src = dmabuf->virt + offset; + memcpy(fwlog_buff, src, ras_req->read_size); + break; + } + + bsg_reply->reply_payload_rcv_len = + sg_copy_from_buffer(job->reply_payload.sg_list, + job->reply_payload.sg_cnt, + fwlog_buff, ras_req->read_size); + + vfree(fwlog_buff); + +ras_job_error: + bsg_reply->result = rc; + if (!rc) + bsg_job_done(job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + + return rc; +} + +static int +lpfc_get_trunk_info(struct bsg_job *job) +{ + struct lpfc_vport *vport = shost_priv(fc_bsg_to_shost(job)); + struct lpfc_hba *phba = vport->phba; + struct fc_bsg_reply *bsg_reply = job->reply; + struct lpfc_trunk_info *event_reply; + int rc = 0; + + if (job->request_len < + sizeof(struct fc_bsg_request) + sizeof(struct get_trunk_info_req)) { + lpfc_printf_log(phba, KERN_ERR, LOG_LIBDFC, + "2744 Received GET TRUNK _INFO request below " + "minimum size\n"); + rc = -EINVAL; + goto job_error; + } + + event_reply = (struct lpfc_trunk_info *) + bsg_reply->reply_data.vendor_reply.vendor_rsp; + + if (job->reply_len < sizeof(*bsg_reply) + sizeof(*event_reply)) { + lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC, + "2728 Received GET TRUNK _INFO reply below " + "minimum size\n"); + rc = -EINVAL; + goto job_error; + } + if (event_reply == NULL) { + rc = -EINVAL; + goto job_error; + } + + bsg_bf_set(lpfc_trunk_info_link_status, event_reply, + (phba->link_state >= LPFC_LINK_UP) ? 1 : 0); + + bsg_bf_set(lpfc_trunk_info_trunk_active0, event_reply, + (phba->trunk_link.link0.state == LPFC_LINK_UP) ? 1 : 0); + + bsg_bf_set(lpfc_trunk_info_trunk_active1, event_reply, + (phba->trunk_link.link1.state == LPFC_LINK_UP) ? 1 : 0); + + bsg_bf_set(lpfc_trunk_info_trunk_active2, event_reply, + (phba->trunk_link.link2.state == LPFC_LINK_UP) ? 1 : 0); + + bsg_bf_set(lpfc_trunk_info_trunk_active3, event_reply, + (phba->trunk_link.link3.state == LPFC_LINK_UP) ? 1 : 0); + + bsg_bf_set(lpfc_trunk_info_trunk_config0, event_reply, + bf_get(lpfc_conf_trunk_port0, &phba->sli4_hba)); + + bsg_bf_set(lpfc_trunk_info_trunk_config1, event_reply, + bf_get(lpfc_conf_trunk_port1, &phba->sli4_hba)); + + bsg_bf_set(lpfc_trunk_info_trunk_config2, event_reply, + bf_get(lpfc_conf_trunk_port2, &phba->sli4_hba)); + + bsg_bf_set(lpfc_trunk_info_trunk_config3, event_reply, + bf_get(lpfc_conf_trunk_port3, &phba->sli4_hba)); + + event_reply->port_speed = phba->sli4_hba.link_state.speed / 1000; + event_reply->logical_speed = + phba->sli4_hba.link_state.logical_speed / 1000; +job_error: + bsg_reply->result = rc; + if (!rc) + bsg_job_done(job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + return rc; + } /** @@ -5358,6 +5809,21 @@ case LPFC_BSG_VENDOR_FORCED_LINK_SPEED: rc = lpfc_forced_link_speed(job); break; + case LPFC_BSG_VENDOR_RAS_GET_LWPD: + rc = lpfc_bsg_get_ras_lwpd(job); + break; + case LPFC_BSG_VENDOR_RAS_GET_FWLOG: + rc = lpfc_bsg_get_ras_fwlog(job); + break; + case LPFC_BSG_VENDOR_RAS_GET_CONFIG: + rc = lpfc_bsg_get_ras_config(job); + break; + case LPFC_BSG_VENDOR_RAS_SET_CONFIG: + rc = lpfc_bsg_set_ras_config(job); + break; + case LPFC_BSG_VENDOR_GET_TRUNK_INFO: + rc = lpfc_get_trunk_info(job); + break; default: rc = -EINVAL; bsg_reply->reply_payload_rcv_len = 0; @@ -5371,7 +5837,7 @@ /** * lpfc_bsg_request - handle a bsg request from the FC transport - * @job: fc_bsg_job to handle + * @job: bsg_job to handle **/ int lpfc_bsg_request(struct bsg_job *job) @@ -5405,7 +5871,7 @@ /** * lpfc_bsg_timeout - handle timeout of a bsg request from the FC transport - * @job: fc_bsg_job that has timed out + * @job: bsg_job that has timed out * * This function just aborts the job's IOCB. The aborted IOCB will return to * the waiting function which will handle passing the error back to userspace -- Gitblit v1.6.2