diff options
| -rw-r--r-- | drivers/scsi/lpfc/lpfc.h | 25 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_attr.c | 32 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_bsg.c | 341 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_bsg.h | 36 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_crtn.h | 7 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_hw4.h | 45 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 40 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 265 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli4.h | 1 |
9 files changed, 790 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 6340883ece33..4fe04c00a390 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -583,6 +583,25 @@ struct lpfc_mbox_ext_buf_ctx { struct list_head ext_dmabuf_list; }; +struct lpfc_ras_fwlog { + uint8_t *fwlog_buff; + uint32_t fw_buffcount; /* Buffer size posted to FW */ +#define LPFC_RAS_BUFF_ENTERIES 16 /* Each entry can hold max of 64k */ +#define LPFC_RAS_MAX_ENTRY_SIZE (64 * 1024) +#define LPFC_RAS_MIN_BUFF_POST_SIZE (256 * 1024) +#define LPFC_RAS_MAX_BUFF_POST_SIZE (1024 * 1024) + uint32_t fw_loglevel; /* Log level set */ + struct lpfc_dmabuf lwpd; + struct list_head fwlog_buff_list; + + /* RAS support status on adapter */ + bool ras_hwsupport; /* RAS Support available on HW or not */ + bool ras_enabled; /* Ras Enabled for the function */ +#define LPFC_RAS_DISABLE_LOGGING 0x00 +#define LPFC_RAS_ENABLE_LOGGING 0x01 + bool ras_active; /* RAS logging running state */ +}; + struct lpfc_hba { /* SCSI interface function jump table entries */ int (*lpfc_new_scsi_buf) @@ -834,6 +853,9 @@ struct lpfc_hba { #define LPFC_FDMI_SUPPORT 1 /* FDMI supported? */ uint32_t cfg_enable_SmartSAN; uint32_t cfg_enable_mds_diags; + uint32_t cfg_ras_fwlog_level; + uint32_t cfg_ras_fwlog_buffsize; + uint32_t cfg_ras_fwlog_func; uint32_t cfg_enable_fc4_type; uint32_t cfg_enable_bbcr; /* Enable BB Credit Recovery */ uint32_t cfg_enable_dpp; /* Enable Direct Packet Push */ @@ -1094,6 +1116,9 @@ struct lpfc_hba { struct unsol_rcv_ct_ctx ct_ctx[LPFC_CT_CTX_MAX]; uint32_t ctx_idx; + /* RAS Support */ + struct lpfc_ras_fwlog ras_fwlog; + uint8_t menlo_flag; /* menlo generic flags */ #define HBA_MENLO_SUPPORT 0x1 /* HBA supports menlo commands */ uint32_t iocb_cnt; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 18750bf2883c..73e2296796e6 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -5431,6 +5431,31 @@ lpfc_sg_seg_cnt_init(struct lpfc_hba *phba, int val) LPFC_ATTR_R(enable_mds_diags, 0, 0, 1, "Enable MDS Diagnostics"); /* + * lpfc_ras_fwlog_buffsize: Firmware logging host buffer size + * 0 = Disable firmware logging (default) + * [1-4] = Multiple of 1/4th Mb of host memory for FW logging + * Value range [0..4]. Default value is 0 + */ +LPFC_ATTR_RW(ras_fwlog_buffsize, 0, 0, 4, "Host memory for FW logging"); + +/* + * lpfc_ras_fwlog_level: Firmware logging verbosity level + * Valid only if firmware logging is enabled + * 0(Least Verbosity) 4 (most verbosity) + * Value range is [0..4]. Default value is 0 + */ +LPFC_ATTR_RW(ras_fwlog_level, 0, 0, 4, "Firmware Logging Level"); + +/* + * lpfc_ras_fwlog_func: Firmware logging enabled on function number + * Default function which has RAS support : 0 + * Value Range is [0..7]. + * FW logging is a global action and enablement is via a specific + * port. + */ +LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function"); + +/* * lpfc_enable_bbcr: Enable BB Credit Recovery * 0 = BB Credit Recovery disabled * 1 = BB Credit Recovery enabled (default) @@ -5555,6 +5580,9 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_protocol, &dev_attr_lpfc_xlane_supported, &dev_attr_lpfc_enable_mds_diags, + &dev_attr_lpfc_ras_fwlog_buffsize, + &dev_attr_lpfc_ras_fwlog_level, + &dev_attr_lpfc_ras_fwlog_func, &dev_attr_lpfc_enable_bbcr, &dev_attr_lpfc_enable_dpp, NULL, @@ -6641,6 +6669,10 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_sli_mode_init(phba, lpfc_sli_mode); phba->cfg_enable_dss = 1; lpfc_enable_mds_diags_init(phba, lpfc_enable_mds_diags); + lpfc_ras_fwlog_buffsize_init(phba, lpfc_ras_fwlog_buffsize); + lpfc_ras_fwlog_level_init(phba, lpfc_ras_fwlog_level); + lpfc_ras_fwlog_func_init(phba, lpfc_ras_fwlog_func); + /* If the NVME FC4 type is enabled, scale the sg_seg_cnt to * accommodate 512K and 1M IOs in a single nvme buf and supply diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 90745feca808..d53a704c66d1 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -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> @@ -5309,6 +5310,330 @@ job_error: } /** + * 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, + "6181 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 == -EACCES || rc == -EPERM) + goto ras_job_error; + + ras_reply = (struct lpfc_bsg_get_ras_config_reply *) + bsg_reply->reply_data.vendor_reply.vendor_rsp; + + /* Current logging state */ + if (ras_fwlog->ras_active == true) + ras_reply->state = LPFC_RASLOG_STATE_RUNNING; + else + ras_reply->state = LPFC_RASLOG_STATE_STOPPED; + + 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 */ + bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); + return rc; +} + +/** + * lpfc_ras_stop_fwlog: Disable FW logging by the adapter + * @phba: Pointer to HBA context object. + * + * Disable FW logging into host memory on the adapter. To + * be done before reading logs from the host memory. + **/ +static void +lpfc_ras_stop_fwlog(struct lpfc_hba *phba) +{ + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + + ras_fwlog->ras_active = false; + + /* Disable FW logging to host memory */ + writel(LPFC_CTL_PDEV_CTL_DDL_RAS, + phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); +} + +/** + * 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; + + 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 == -EACCES || rc == -EPERM) + 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 */ + if (ras_fwlog->ras_active == false) { + rc = -ESRCH; + goto ras_job_error; + } + + /* Disable logging */ + lpfc_ras_stop_fwlog(phba); + } else { + /*action = LPFC_RASACTION_START_LOGGING*/ + if (ras_fwlog->ras_active == true) { + rc = -EINPROGRESS; + goto ras_job_error; + } + + /* Enable logging */ + rc = lpfc_sli4_ras_fwlog_init(phba, log_level, + LPFC_RAS_ENABLE_LOGGING); + if (rc) + rc = -EINVAL; + } +ras_job_error: + /* make error code available to userspace */ + bsg_reply->result = rc; + + /* complete the job back to userspace */ + 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; + uint32_t lwpd_offset = 0; + uint64_t wrap_value = 0; + int rc = 0; + + rc = lpfc_check_fwlog_support(phba); + if (rc == -EACCES || rc == -EPERM) + 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; + + lwpd_offset = *((uint32_t *)ras_fwlog->lwpd.virt) & 0xffffffff; + ras_reply->offset = be32_to_cpu(lwpd_offset); + + wrap_value = *((uint64_t *)ras_fwlog->lwpd.virt); + ras_reply->wrap_count = be32_to_cpu((wrap_value >> 32) & 0xffffffff); + +ras_job_error: + /* make error code available to userspace */ + bsg_reply->result = rc; + + /* complete the job back to userspace */ + 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; + uint32_t rd_offset, rd_index, offset, pending_wlen; + uint32_t boundary = 0, align_len = 0, write_len = 0; + void *dest, *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 == -EACCES || rc == -EPERM) + goto ras_job_error; + + /* Logging to be stopped before reading */ + if (ras_fwlog->ras_active == true) { + rc = -EINPROGRESS; + goto ras_job_error; + } + + 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); + pending_wlen = ras_req->read_size; + dest = fwlog_buff; + + list_for_each_entry_safe(dmabuf, next, + &ras_fwlog->fwlog_buff_list, list) { + + if (dmabuf->buffer_tag < rd_index) + continue; + + /* Align read to buffer size */ + if (offset) { + boundary = ((dmabuf->buffer_tag + 1) * + LPFC_RAS_MAX_ENTRY_SIZE); + + align_len = (boundary - offset); + write_len = min_t(u32, align_len, + LPFC_RAS_MAX_ENTRY_SIZE); + } else { + write_len = min_t(u32, pending_wlen, + LPFC_RAS_MAX_ENTRY_SIZE); + align_len = 0; + boundary = 0; + } + src = dmabuf->virt + offset; + memcpy(dest, src, write_len); + + pending_wlen -= write_len; + if (!pending_wlen) + break; + + dest += write_len; + offset = (offset + write_len) % LPFC_RAS_MAX_ENTRY_SIZE; + } + + 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; + bsg_job_done(job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); + + return rc; +} + + +/** * lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job * @job: fc_bsg_job to handle **/ @@ -5355,6 +5680,18 @@ lpfc_bsg_hst_vendor(struct bsg_job *job) 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; default: rc = -EINVAL; bsg_reply->reply_payload_rcv_len = 0; @@ -5368,7 +5705,7 @@ lpfc_bsg_hst_vendor(struct bsg_job *job) /** * 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) @@ -5402,7 +5739,7 @@ lpfc_bsg_request(struct bsg_job *job) /** * 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 diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h index 32347c87e3b4..820323f1139b 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.h +++ b/drivers/scsi/lpfc/lpfc_bsg.h @@ -38,6 +38,10 @@ #define LPFC_BSG_VENDOR_DIAG_MODE_END 10 #define LPFC_BSG_VENDOR_LINK_DIAG_TEST 11 #define LPFC_BSG_VENDOR_FORCED_LINK_SPEED 14 +#define LPFC_BSG_VENDOR_RAS_GET_LWPD 16 +#define LPFC_BSG_VENDOR_RAS_GET_FWLOG 17 +#define LPFC_BSG_VENDOR_RAS_GET_CONFIG 18 +#define LPFC_BSG_VENDOR_RAS_SET_CONFIG 19 struct set_ct_event { uint32_t command; @@ -296,6 +300,38 @@ struct forced_link_speed_support_reply { uint8_t supported; }; +struct lpfc_bsg_ras_req { + uint32_t command; +}; + +struct lpfc_bsg_get_fwlog_req { + uint32_t command; + uint32_t read_size; + uint32_t read_offset; +}; + +struct lpfc_bsg_get_ras_lwpd { + uint32_t offset; + uint32_t wrap_count; +}; + +struct lpfc_bsg_set_ras_config_req { + uint32_t command; + uint8_t action; +#define LPFC_RASACTION_STOP_LOGGING 0x00 +#define LPFC_RASACTION_START_LOGGING 0x01 + uint8_t log_level; +}; + +struct lpfc_bsg_get_ras_config_reply { + uint8_t state; +#define LPFC_RASLOG_STATE_STOPPED 0x00 +#define LPFC_RASLOG_STATE_RUNNING 0x01 + uint8_t log_level; + uint32_t log_buff_sz; +}; + + /* driver only */ #define SLI_CONFIG_NOT_HANDLED 0 #define SLI_CONFIG_HANDLED 1 diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index bea24bc4410a..e01136507780 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -545,6 +545,13 @@ bool lpfc_find_next_oas_lun(struct lpfc_hba *, struct lpfc_name *, int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox); void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb); +/* RAS Interface */ +void lpfc_sli4_ras_init(struct lpfc_hba *phba); +void lpfc_sli4_ras_setup(struct lpfc_hba *phba); +int lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, uint32_t fwlog_level, + uint32_t fwlog_enable); +int lpfc_check_fwlog_support(struct lpfc_hba *phba); + /* NVME interfaces. */ void lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp); diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 083f8c8706e5..bbd0a57e953f 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -186,6 +186,7 @@ struct lpfc_sli_intf { #define LPFC_CTL_PDEV_CTL_FRL_ALL 0x00 #define LPFC_CTL_PDEV_CTL_FRL_FC_FCOE 0x10 #define LPFC_CTL_PDEV_CTL_FRL_NIC 0x20 +#define LPFC_CTL_PDEV_CTL_DDL_RAS 0x1000000 #define LPFC_FW_DUMP_REQUEST (LPFC_CTL_PDEV_CTL_DD | LPFC_CTL_PDEV_CTL_FRST) @@ -964,6 +965,7 @@ struct mbox_header { /* Subsystem Definitions */ #define LPFC_MBOX_SUBSYSTEM_NA 0x0 #define LPFC_MBOX_SUBSYSTEM_COMMON 0x1 +#define LPFC_MBOX_SUBSYSTEM_LOWLEVEL 0xB #define LPFC_MBOX_SUBSYSTEM_FCOE 0xC /* Device Specific Definitions */ @@ -1030,6 +1032,9 @@ struct mbox_header { #define LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_STATE 0x22 #define LPFC_MBOX_OPCODE_FCOE_LINK_DIAG_LOOPBACK 0x23 +/* Low level Opcodes */ +#define LPFC_MBOX_OPCODE_SET_DIAG_LOG_OPTION 0x37 + /* Mailbox command structures */ struct eq_context { uint32_t word0; @@ -1162,6 +1167,45 @@ struct lpfc_mbx_nop { uint32_t context[2]; }; + + +struct lpfc_mbx_set_ras_fwlog { + struct mbox_header header; + union { + struct { + uint32_t word4; +#define lpfc_fwlog_enable_SHIFT 0 +#define lpfc_fwlog_enable_MASK 0x00000001 +#define lpfc_fwlog_enable_WORD word4 +#define lpfc_fwlog_loglvl_SHIFT 8 +#define lpfc_fwlog_loglvl_MASK 0x0000000F +#define lpfc_fwlog_loglvl_WORD word4 +#define lpfc_fwlog_ra_SHIFT 15 +#define lpfc_fwlog_ra_WORD 0x00000008 +#define lpfc_fwlog_buffcnt_SHIFT 16 +#define lpfc_fwlog_buffcnt_MASK 0x000000FF +#define lpfc_fwlog_buffcnt_WORD word4 +#define lpfc_fwlog_buffsz_SHIFT 24 +#define lpfc_fwlog_buffsz_MASK 0x000000FF +#define lpfc_fwlog_buffsz_WORD word4 + uint32_t word5; +#define lpfc_fwlog_acqe_SHIFT 0 +#define lpfc_fwlog_acqe_MASK 0x0000FFFF +#define lpfc_fwlog_acqe_WORD word5 +#define lpfc_fwlog_cqid_SHIFT 16 +#define lpfc_fwlog_cqid_MASK 0x0000FFFF +#define lpfc_fwlog_cqid_WORD word5 +#define LPFC_MAX_FWLOG_PAGE 16 + struct dma_address lwpd; + struct dma_address buff_fwlog[LPFC_MAX_FWLOG_PAGE]; + } request; + struct { + uint32_t word0; + } response; + } u; +}; + + struct cq_context { uint32_t word0; #define lpfc_cq_context_event_SHIFT 31 @@ -3868,6 +3912,7 @@ struct lpfc_mqe { struct lpfc_mbx_memory_dump_type3 mem_dump_type3; struct lpfc_mbx_set_host_data set_host_data; struct lpfc_mbx_nop nop; + struct lpfc_mbx_set_ras_fwlog ras_fwlog; } un; }; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index bb2bff7b56b4..054072cbfa3c 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -6228,6 +6228,9 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) if (phba->cfg_fof) fof_vectors = 1; + /* Verify RAS support on adapter */ + lpfc_sli4_ras_init(phba); + /* Verify all the SLI4 queues */ rc = lpfc_sli4_queue_verify(phba); if (rc) @@ -10515,6 +10518,14 @@ lpfc_sli4_hba_unset(struct lpfc_hba *phba) /* Stop kthread signal shall trigger work_done one more time */ kthread_stop(phba->worker_thread); + /* Disable FW logging to host memory */ + writel(LPFC_CTL_PDEV_CTL_DDL_RAS, + phba->sli4_hba.conf_regs_memmap_p + LPFC_CTL_PDEV_CTL_OFFSET); + + /* Free RAS DMA memory */ + if (phba->ras_fwlog.ras_enabled == true) + lpfc_sli4_ras_dma_free(phba); + /* Unset the queues shared with the hardware then release all * allocated resources. */ @@ -10760,6 +10771,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) phba->mds_diags_support = 1; else phba->mds_diags_support = 0; + return 0; } @@ -11721,6 +11733,10 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* Check if there are static vports to be created. */ lpfc_create_static_vport(phba); + + /* Enable RAS FW log support */ + lpfc_sli4_ras_setup(phba); + return 0; out_disable_intr: @@ -12451,6 +12467,30 @@ lpfc_sli4_oas_verify(struct lpfc_hba *phba) } /** + * lpfc_sli4_ras_init - Verify RAS-FW log is supported by this adapter + * @phba: pointer to lpfc hba data structure. + * + * This routine checks to see if RAS is supported by the adapter. Check the + * function through which RAS support enablement is to be done. + **/ +void +lpfc_sli4_ras_init(struct lpfc_hba *phba) +{ + switch (phba->pcidev->device) { + case PCI_DEVICE_ID_LANCER_G6_FC: + case PCI_DEVICE_ID_LANCER_G7_FC: + phba->ras_fwlog.ras_hwsupport = true; + if (phba->cfg_ras_fwlog_func == PCI_FUNC(phba->pcidev->devfn)) + phba->ras_fwlog.ras_enabled = true; + else + phba->ras_fwlog.ras_enabled = false; + break; + default: + phba->ras_fwlog.ras_hwsupport = false; + } +} + +/** * lpfc_fof_queue_setup - Set up all the fof queues * @phba: pointer to lpfc hba data structure. * diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 99fddd056675..c378230d03ad 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -6149,6 +6149,271 @@ lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, } /** + * lpfc_sli4_ras_dma_free - Free memory allocated for FW logging. + * @phba: Pointer to HBA context object. + * + * This function is called to free memory allocated for RAS FW logging + * support in the driver. + **/ +void +lpfc_sli4_ras_dma_free(struct lpfc_hba *phba) +{ + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + struct lpfc_dmabuf *dmabuf, *next; + + if (!list_empty(&ras_fwlog->fwlog_buff_list)) { + list_for_each_entry_safe(dmabuf, next, + &ras_fwlog->fwlog_buff_list, + list) { + list_del(&dmabuf->list); + dma_free_coherent(&phba->pcidev->dev, + LPFC_RAS_MAX_ENTRY_SIZE, + dmabuf->virt, dmabuf->phys); + kfree(dmabuf); + } + } + + if (ras_fwlog->lwpd.virt) { + dma_free_coherent(&phba->pcidev->dev, + sizeof(uint32_t) * 2, + ras_fwlog->lwpd.virt, + ras_fwlog->lwpd.phys); + ras_fwlog->lwpd.virt = NULL; + } + + ras_fwlog->ras_active = false; +} + +/** + * lpfc_sli4_ras_dma_alloc: Allocate memory for FW support + * @phba: Pointer to HBA context object. + * @fwlog_buff_count: Count of buffers to be created. + * + * This routine DMA memory for Log Write Position Data[LPWD] and buffer + * to update FW log is posted to the adapter. + * Buffer count is calculated based on module param ras_fwlog_buffsize + * Size of each buffer posted to FW is 64K. + **/ + +static int +lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba, + uint32_t fwlog_buff_count) +{ + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + struct lpfc_dmabuf *dmabuf; + int rc = 0, i = 0; + + /* Initialize List */ + INIT_LIST_HEAD(&ras_fwlog->fwlog_buff_list); + + /* Allocate memory for the LWPD */ + ras_fwlog->lwpd.virt = dma_alloc_coherent(&phba->pcidev->dev, + sizeof(uint32_t) * 2, + &ras_fwlog->lwpd.phys, + GFP_KERNEL); + if (!ras_fwlog->lwpd.virt) { + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6185 LWPD Memory Alloc Failed\n"); + + return -ENOMEM; + } + + ras_fwlog->fw_buffcount = fwlog_buff_count; + for (i = 0; i < ras_fwlog->fw_buffcount; i++) { + dmabuf = kzalloc(sizeof(struct lpfc_dmabuf), + GFP_KERNEL); + if (!dmabuf) { + rc = -ENOMEM; + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6186 Memory Alloc failed FW logging"); + goto free_mem; + } + + dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev, + LPFC_RAS_MAX_ENTRY_SIZE, + &dmabuf->phys, + GFP_KERNEL); + if (!dmabuf->virt) { + kfree(dmabuf); + rc = -ENOMEM; + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6187 DMA Alloc Failed FW logging"); + goto free_mem; + } + memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE); + dmabuf->buffer_tag = i; + list_add_tail(&dmabuf->list, &ras_fwlog->fwlog_buff_list); + } + +free_mem: + if (rc) + lpfc_sli4_ras_dma_free(phba); + + return rc; +} + +/** + * lpfc_sli4_ras_mbox_cmpl: Completion handler for RAS MBX command + * @phba: pointer to lpfc hba data structure. + * @pmboxq: pointer to the driver internal queue element for mailbox command. + * + * Completion handler for driver's RAS MBX command to the device. + **/ +static void +lpfc_sli4_ras_mbox_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) +{ + MAILBOX_t *mb; + union lpfc_sli4_cfg_shdr *shdr; + uint32_t shdr_status, shdr_add_status; + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + + mb = &pmb->u.mb; + + shdr = (union lpfc_sli4_cfg_shdr *) + &pmb->u.mqe.un.ras_fwlog.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 (mb->mbxStatus != MBX_SUCCESS || shdr_status) { + lpfc_printf_log(phba, KERN_WARNING, LOG_MBOX, + "6188 FW LOG mailbox " + "completed with status x%x add_status x%x," + " mbx status x%x\n", + shdr_status, shdr_add_status, mb->mbxStatus); + goto disable_ras; + } + + ras_fwlog->ras_active = true; + mempool_free(pmb, phba->mbox_mem_pool); + + return; + +disable_ras: + /* Free RAS DMA memory */ + lpfc_sli4_ras_dma_free(phba); + mempool_free(pmb, phba->mbox_mem_pool); +} + +/** + * lpfc_sli4_ras_fwlog_init: Initialize memory and post RAS MBX command + * @phba: pointer to lpfc hba data structure. + * @fwlog_level: Logging verbosity level. + * @fwlog_enable: Enable/Disable logging. + * + * Initialize memory and post mailbox command to enable FW logging in host + * memory. + **/ +int +lpfc_sli4_ras_fwlog_init(struct lpfc_hba *phba, + uint32_t fwlog_level, + uint32_t fwlog_enable) +{ + struct lpfc_ras_fwlog *ras_fwlog = &phba->ras_fwlog; + struct lpfc_mbx_set_ras_fwlog *mbx_fwlog = NULL; + struct lpfc_dmabuf *dmabuf; + LPFC_MBOXQ_t *mbox; + uint32_t len = 0, fwlog_buffsize, fwlog_entry_count; + int rc = 0; + + fwlog_buffsize = (LPFC_RAS_MIN_BUFF_POST_SIZE * + phba->cfg_ras_fwlog_buffsize); + fwlog_entry_count = (fwlog_buffsize/LPFC_RAS_MAX_ENTRY_SIZE); + + /* + * If re-enabling FW logging support use earlier allocated + * DMA buffers while posting MBX command. + **/ + if (!ras_fwlog->lwpd.virt) { + rc = lpfc_sli4_ras_dma_alloc(phba, fwlog_entry_count); + if (rc) { + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6189 RAS FW Log Support Not Enabled"); + return rc; + } + } + + /* Setup Mailbox command */ + mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); + if (!mbox) { + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6190 RAS MBX Alloc Failed"); + rc = -ENOMEM; + goto mem_free; + } + + ras_fwlog->fw_loglevel = fwlog_level; + len = (sizeof(struct lpfc_mbx_set_ras_fwlog) - + sizeof(struct lpfc_sli4_cfg_mhdr)); + + lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_LOWLEVEL, + LPFC_MBOX_OPCODE_SET_DIAG_LOG_OPTION, + len, LPFC_SLI4_MBX_EMBED); + + mbx_fwlog = (struct lpfc_mbx_set_ras_fwlog *)&mbox->u.mqe.un.ras_fwlog; + bf_set(lpfc_fwlog_enable, &mbx_fwlog->u.request, + fwlog_enable); + bf_set(lpfc_fwlog_loglvl, &mbx_fwlog->u.request, + ras_fwlog->fw_loglevel); + bf_set(lpfc_fwlog_buffcnt, &mbx_fwlog->u.request, + ras_fwlog->fw_buffcount); + bf_set(lpfc_fwlog_buffsz, &mbx_fwlog->u.request, + LPFC_RAS_MAX_ENTRY_SIZE/SLI4_PAGE_SIZE); + + /* Update DMA buffer address */ + list_for_each_entry(dmabuf, &ras_fwlog->fwlog_buff_list, list) { + memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE); + + mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_lo = + putPaddrLow(dmabuf->phys); + + mbx_fwlog->u.request.buff_fwlog[dmabuf->buffer_tag].addr_hi = + putPaddrHigh(dmabuf->phys); + } + + /* Update LPWD address */ + mbx_fwlog->u.request.lwpd.addr_lo = putPaddrLow(ras_fwlog->lwpd.phys); + mbx_fwlog->u.request.lwpd.addr_hi = putPaddrHigh(ras_fwlog->lwpd.phys); + + mbox->vport = phba->pport; + mbox->mbox_cmpl = lpfc_sli4_ras_mbox_cmpl; + + rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT); + + if (rc == MBX_NOT_FINISHED) { + lpfc_printf_log(phba, KERN_WARNING, LOG_INIT, + "6191 RAS Mailbox failed. " + "status %d mbxStatus : x%x", rc, + bf_get(lpfc_mqe_status, &mbox->u.mqe)); + mempool_free(mbox, phba->mbox_mem_pool); + rc = -EIO; + goto mem_free; + } else + rc = 0; +mem_free: + if (rc) + lpfc_sli4_ras_dma_free(phba); + + return rc; +} + +/** + * lpfc_sli4_ras_setup - Check if RAS supported on the adapter + * @phba: Pointer to HBA context object. + * + * Check if RAS is supported on the adapter and initialize it. + **/ +void +lpfc_sli4_ras_setup(struct lpfc_hba *phba) +{ + /* Check RAS FW Log needs to be enabled or not */ + if (lpfc_check_fwlog_support(phba)) + return; + + lpfc_sli4_ras_fwlog_init(phba, phba->cfg_ras_fwlog_level, + LPFC_RAS_ENABLE_LOGGING); +} + +/** * lpfc_sli4_alloc_resource_identifiers - Allocate all SLI4 resource extents. * @phba: Pointer to HBA context object. * diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 399c0015c546..e76c380e1a84 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -886,3 +886,4 @@ int lpfc_sli4_unregister_fcf(struct lpfc_hba *); int lpfc_sli4_post_status_check(struct lpfc_hba *); uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *); uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *); +void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba); |