diff options
Diffstat (limited to 'plugins/solidigm/solidigm-internal-logs.c')
| -rw-r--r-- | plugins/solidigm/solidigm-internal-logs.c | 597 |
1 files changed, 597 insertions, 0 deletions
diff --git a/plugins/solidigm/solidigm-internal-logs.c b/plugins/solidigm/solidigm-internal-logs.c new file mode 100644 index 0000000..4730443 --- /dev/null +++ b/plugins/solidigm/solidigm-internal-logs.c @@ -0,0 +1,597 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Solidigm. + * + * Authors: leonardo.da.cunha@solidigm.com + * shankaralingegowda.singonahalli@solidigm.com + */ + +#include <fcntl.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <inttypes.h> +#include <linux/limits.h> + +#include "common.h" +#include "nvme.h" +#include "libnvme.h" +#include "plugin.h" +#include "nvme-print.h" + +#define DWORD_SIZE 4 + +enum log_type { + NLOG = 0, + EVENTLOG = 1, + ASSERTLOG = 2, +}; + +#pragma pack(push, internal_logs, 1) +struct version { + __u16 major; + __u16 minor; +}; + +struct event_dump_instance { + __u32 numeventdumps; + __u32 coresize; + __u32 coreoffset; + __u32 eventidoffset[16]; + __u8 eventIdValidity[16]; +}; + +struct commom_header { + struct version ver; + __u32 header_size; + __u32 log_size; + __u32 numcores; +}; + +struct event_dump_header { + struct commom_header header; + __u32 eventidsize; + struct event_dump_instance edumps[0]; +}; + +struct assert_dump_core { + __u32 coreoffset; + __u32 assertsize; + __u8 assertdumptype; + __u8 assertvalid; + __u8 reserved[2]; +}; + +struct assert_dump_header { + struct commom_header header; + struct assert_dump_core core[]; +}; + +struct nlog_dump_header_common { + struct version ver; + __u32 logselect; + __u32 totalnlogs; + __u32 nlognum; + char nlogname[4]; + __u32 nlogbytesize; + __u32 nlogprimarybuffsize; + __u32 tickspersecond; + __u32 corecount; +}; + +struct nlog_dump_header3_0 { + struct nlog_dump_header_common common; + __u32 nlogpausestatus; + __u32 selectoffsetref; + __u32 selectnlogpause; + __u32 selectaddedoffset; + __u32 nlogbufnum; + __u32 nlogbufnummax; +}; + +struct nlog_dump_header4_0 { + struct nlog_dump_header_common common; + __u64 nlogpausestatus; + __u32 selectoffsetref; + __u32 selectnlogpause; + __u32 selectaddedoffset; + __u32 nlogbufnum; + __u32 nlogbufnummax; + __u32 coreselected; + __u32 reserved[2]; +}; + +struct nlog_dump_header4_1 { + struct nlog_dump_header_common common; + __u64 nlogpausestatus; + __u32 selectoffsetref; + __u32 selectnlogpause; + __u32 selectaddedoffset; + __u32 nlogbufnum; + __u32 nlogbufnummax; + __u32 coreselected; + __u32 lpaPointer1High; + __u32 lpaPointer1Low; + __u32 lpaPointer2High; + __u32 lpaPointer2Low; +}; + +#pragma pack(pop, internal_logs) + +struct config { + __u32 namespace_id; + char *file_prefix; + char *type; + bool verbose; +}; + +static void print_nlog_header(__u8 *buffer) +{ + struct nlog_dump_header_common *nlog_header = (struct nlog_dump_header_common *) buffer; + + if (nlog_header->ver.major >= 3) { + printf("Version Major %u\n", nlog_header->ver.major); + printf("Version Minor %u\n", nlog_header->ver.minor); + printf("Log_select %u\n", nlog_header->logselect); + printf("totalnlogs %u\n", nlog_header->totalnlogs); + printf("nlognum %u\n", nlog_header->nlognum); + printf("nlogname %c%c%c%c\n", nlog_header->nlogname[3], nlog_header->nlogname[2], + nlog_header->nlogname[1], nlog_header->nlogname[0]); + printf("nlogbytesize %u\n", nlog_header->nlogbytesize); + printf("nlogprimarybuffsize %u\n", nlog_header->nlogprimarybuffsize); + printf("tickspersecond %u\n", nlog_header->tickspersecond); + printf("corecount %u\n", nlog_header->corecount); + } + if (nlog_header->ver.major >= 4) { + struct nlog_dump_header4_0 *nlog_header = (struct nlog_dump_header4_0 *) buffer; + + printf("nlogpausestatus %"PRIu64"\n", (uint64_t)nlog_header->nlogpausestatus); + printf("selectoffsetref %u\n", nlog_header->selectoffsetref); + printf("selectnlogpause %u\n", nlog_header->selectnlogpause); + printf("selectaddedoffset %u\n", nlog_header->selectaddedoffset); + printf("nlogbufnum %u\n", nlog_header->nlogbufnum); + printf("nlogbufnummax %u\n", nlog_header->nlogbufnummax); + printf("coreselected %u\n\n", nlog_header->coreselected); + } +} + +#define INTERNAL_LOG_MAX_BYTE_TRANSFER 4096 +#define INTERNAL_LOG_MAX_DWORD_TRANSFER (INTERNAL_LOG_MAX_BYTE_TRANSFER / 4) + +static int cmd_dump_repeat(struct nvme_passthru_cmd *cmd, __u32 total_dw_size, + int out_fd, int ioctl_fd, bool force_max_transfer) +{ + int err = 0; + + while (total_dw_size > 0) { + size_t dword_tfer = min(INTERNAL_LOG_MAX_DWORD_TRANSFER, total_dw_size); + + cmd->cdw10 = force_max_transfer ? INTERNAL_LOG_MAX_DWORD_TRANSFER : dword_tfer; + cmd->data_len = dword_tfer * 4; + err = nvme_submit_admin_passthru(ioctl_fd, cmd, NULL); + if (err) + return err; + + if (out_fd > 0) { + err = write(out_fd, (const void *)(uintptr_t)cmd->addr, cmd->data_len); + if (err < 0) { + perror("write failure"); + return err; + } + err = 0; + } + total_dw_size -= dword_tfer; + cmd->cdw13 += dword_tfer; + } + return err; +} + +static int write_header(__u8 *buf, int fd, size_t amnt) +{ + if (write(fd, buf, amnt) < 0) + return 1; + return 0; +} + +static int read_header(struct nvme_passthru_cmd *cmd, int ioctl_fd) +{ + memset((void *)(uintptr_t)cmd->addr, 0, INTERNAL_LOG_MAX_BYTE_TRANSFER); + return cmd_dump_repeat(cmd, INTERNAL_LOG_MAX_DWORD_TRANSFER, -1, ioctl_fd, false); +} + +static int get_serial_number(char *str, int fd) +{ + struct nvme_id_ctrl ctrl = {0}; + int err; + + err = nvme_identify_ctrl(fd, &ctrl); + if (err) + return err; + + /* Remove trailing spaces */ + for (int i = sizeof(ctrl.sn) - 1; i && ctrl.sn[i] == ' '; i--) + ctrl.sn[i] = '\0'; + sprintf(str, "%-.*s", (int)sizeof(ctrl.sn), ctrl.sn); + return err; +} + +static int dump_assert_logs(struct nvme_dev *dev, struct config cfg) +{ + __u8 buf[INTERNAL_LOG_MAX_BYTE_TRANSFER]; + __u8 head_buf[INTERNAL_LOG_MAX_BYTE_TRANSFER]; + char file_path[PATH_MAX]; + struct assert_dump_header *ad = (struct assert_dump_header *) head_buf; + struct nvme_passthru_cmd cmd = { + .opcode = 0xd2, + .nsid = cfg.namespace_id, + .addr = (unsigned long)(void *)head_buf, + .cdw12 = ASSERTLOG, + .cdw13 = 0, + }; + int output, err; + + err = read_header(&cmd, dev_fd(dev)); + if (err) + return err; + + sprintf(file_path, "%s_AssertLog.bin", cfg.file_prefix); + output = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (output < 0) + return -errno; + err = write_header((__u8 *)ad, output, ad->header.header_size * DWORD_SIZE); + if (err) { + perror("write failure"); + close(output); + return err; + } + cmd.addr = (unsigned long)(void *)buf; + + if (cfg.verbose) { + printf("Assert Log, cores: %d log size: %d header size: %d\n", ad->header.numcores, + ad->header.log_size * DWORD_SIZE, ad->header.header_size * DWORD_SIZE); + for (__u32 i = 0; i < ad->header.numcores; i++) + printf("core %d assert size: %d\n", i, ad->core[i].assertsize * DWORD_SIZE); + } + + for (__u32 i = 0; i < ad->header.numcores; i++) { + if (!ad->core[i].assertvalid) + continue; + cmd.cdw13 = ad->core[i].coreoffset; + err = cmd_dump_repeat(&cmd, ad->core[i].assertsize, + output, + dev_fd(dev), false); + if (err) { + close(output); + return err; + } + } + close(output); + printf("Successfully wrote log to %s\n", file_path); + return err; +} + +static int dump_event_logs(struct nvme_dev *dev, struct config cfg) +{ + __u8 buf[INTERNAL_LOG_MAX_BYTE_TRANSFER]; + __u8 head_buf[INTERNAL_LOG_MAX_BYTE_TRANSFER]; + char file_path[PATH_MAX]; + struct event_dump_header *ehdr = (struct event_dump_header *) head_buf; + struct nvme_passthru_cmd cmd = { + .opcode = 0xd2, + .nsid = cfg.namespace_id, + .addr = (unsigned long)(void *)head_buf, + .cdw12 = EVENTLOG, + .cdw13 = 0, + }; + int output; + int core_num, err; + + err = read_header(&cmd, dev_fd(dev)); + if (err) + return err; + sprintf(file_path, "%s_EventLog.bin", cfg.file_prefix); + output = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (output < 0) + return -errno; + err = write_header(head_buf, output, INTERNAL_LOG_MAX_BYTE_TRANSFER); + + core_num = ehdr->header.numcores; + + if (err) { + close(output); + return err; + } + cmd.addr = (unsigned long)(void *)buf; + + if (cfg.verbose) + printf("Event Log, cores: %d log size: %d\n", core_num, ehdr->header.log_size * 4); + + for (__u32 j = 0; j < core_num; j++) { + if (cfg.verbose) { + for (int k = 0 ; k < 16; k++) { + printf("core: %d event: %d ", j, k); + printf("validity: %d ", ehdr->edumps[j].eventIdValidity[k]); + printf("offset: %d\n", ehdr->edumps[j].eventidoffset[k]); + } + } + cmd.cdw13 = ehdr->edumps[j].coreoffset; + err = cmd_dump_repeat(&cmd, ehdr->edumps[j].coresize, + output, dev_fd(dev), false); + if (err) { + close(output); + return err; + } + } + close(output); + printf("Successfully wrote log to %s\n", file_path); + return err; +} + +static size_t get_nlog_header_size(struct nlog_dump_header_common *nlog_header) +{ + switch (nlog_header->ver.major) { + case 3: + return sizeof(struct nlog_dump_header3_0); + case 4: + if (nlog_header->ver.minor == 0) + return sizeof(struct nlog_dump_header4_0); + return sizeof(struct nlog_dump_header4_1); + default: + return INTERNAL_LOG_MAX_BYTE_TRANSFER; + } + +} + +/* dumps nlogs from specified core or all cores when core = -1 */ +static int dump_nlogs(struct nvme_dev *dev, struct config cfg, int core) +{ + int err = 0; + __u32 count, core_num; + __u8 buf[INTERNAL_LOG_MAX_BYTE_TRANSFER]; + char file_path[PATH_MAX]; + struct nlog_dump_header_common *nlog_header = (struct nlog_dump_header_common *)buf; + struct nvme_passthru_cmd cmd = { + .opcode = 0xd2, + .nsid = cfg.namespace_id, + .addr = (unsigned long)(void *)buf + }; + + struct dump_select { + union { + struct { + __u32 selectLog : 3; + __u32 selectCore : 2; + __u32 selectNlog : 8; + }; + __u32 raw; + }; + } log_select; + int output; + bool is_open = false; + size_t header_size = 0; + + log_select.selectCore = core < 0 ? 0 : core; + do { + log_select.selectNlog = 0; + do { + cmd.cdw13 = 0; + cmd.cdw12 = log_select.raw; + err = read_header(&cmd, dev_fd(dev)); + if (err) { + if (is_open) + close(output); + return err; + } + count = nlog_header->totalnlogs; + core_num = core < 0 ? nlog_header->corecount : 0; + if (!header_size) { + sprintf(file_path, "%s_NLog.bin", cfg.file_prefix); + output = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (output < 0) + return -errno; + header_size = get_nlog_header_size(nlog_header); + is_open = true; + } + err = write_header(buf, output, header_size); + if (err) + break; + if (cfg.verbose) + print_nlog_header(buf); + cmd.cdw13 = 0x400; + err = cmd_dump_repeat(&cmd, nlog_header->nlogbytesize / 4, + output, dev_fd(dev), true); + if (err) + break; + } while (++log_select.selectNlog < count); + if (err) + break; + } while (++log_select.selectCore < core_num); + if (is_open) { + close(output); + printf("Successfully wrote log to %s\n", file_path); + } + return err; +} + +enum telemetry_type { + HOSTGENOLD, + HOSTGENNEW, + CONTROLLER +}; + +static int dump_telemetry(struct nvme_dev *dev, struct config cfg, enum telemetry_type ttype) +{ + struct nvme_telemetry_log *log = NULL; + size_t log_size = 0; + int err = 0, output; + __u8 *buffer = NULL; + size_t bytes_remaining = 0; + int data_area = NVME_TELEMETRY_DA_3; + char file_path[PATH_MAX]; + char *log_name; + + switch (ttype) { + case HOSTGENNEW: + log_name = "TelemetryHostGenNew"; + break; + case HOSTGENOLD: + log_name = "TelemetryHostGenOld"; + break; + case CONTROLLER: + log_name = "TelemetryController"; + break; + default: + return -EINVAL; + } + + sprintf(file_path, "%s_%s.bin", cfg.file_prefix, log_name); + output = open(file_path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (output < 0) + return -errno; + + switch (ttype) { + case HOSTGENNEW: + err = nvme_get_new_host_telemetry(dev_fd(dev), &log, + data_area, &log_size); + break; + case HOSTGENOLD: + err = nvme_get_host_telemetry(dev_fd(dev), &log, + data_area, &log_size); + break; + case CONTROLLER: + err = nvme_get_ctrl_telemetry(dev_fd(dev), true, &log, + data_area, &log_size); + break; + } + + if (err) + goto tele_close_output; + + bytes_remaining = log_size; + buffer = (__u8 *)log; + + while (bytes_remaining) { + ssize_t bytes_written = write(output, buffer, bytes_remaining); + + if (bytes_written < 0) { + err = -errno; + goto tele_close_output; + } + bytes_remaining -= bytes_written; + buffer += bytes_written; + } + printf("Successfully wrote log to %s\n", file_path); + +tele_close_output: + free(log); + close(output); + + return err; +} + +int solidigm_get_internal_log(int argc, char **argv, struct command *command, + struct plugin *plugin) +{ + char sn_prefix[sizeof(((struct nvme_id_ctrl *)0)->sn)+1]; + int log_count = 0; + int err; + struct nvme_dev *dev; + bool all = false; + + const char *desc = "Get Debug Firmware Logs and save them."; + const char *type = + "Log type: ALL, CONTROLLERINITTELEMETRY, HOSTINITTELEMETRY, HOSTINITTELEMETRYNOGEN, NLOG, ASSERT, EVENT. Defaults to ALL."; + const char *prefix = "Output file prefix; defaults to device serial number."; + const char *verbose = "To print out verbose info."; + const char *namespace_id = "Namespace to get logs from."; + + + struct config cfg = { + .namespace_id = NVME_NSID_ALL, + .file_prefix = NULL, + .type = NULL, + }; + + OPT_ARGS(opts) = { + OPT_STR("type", 't', &cfg.type, type), + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_FILE("file-prefix", 'p', &cfg.file_prefix, prefix), + OPT_FLAG("verbose", 'v', &cfg.verbose, verbose), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.file_prefix) { + err = get_serial_number(sn_prefix, dev_fd(dev)); + if (err) + goto out_dev; + cfg.file_prefix = sn_prefix; + } + + if (!cfg.type) + cfg.type = "ALL"; + else { + for (char *p = cfg.type; *p; ++p) + *p = toupper(*p); + } + + if (!strcmp(cfg.type, "ALL")) + all = true; + if (all || !strcmp(cfg.type, "ASSERT")) { + err = dump_assert_logs(dev, cfg); + if (err == 0) + log_count++; + else if (err < 0) + perror("Assert log"); + } + if (all || !strcmp(cfg.type, "EVENT")) { + err = dump_event_logs(dev, cfg); + if (err == 0) + log_count++; + else if (err < 0) + perror("Eventt log"); + } + if (all || !strcmp(cfg.type, "NLOG")) { + err = dump_nlogs(dev, cfg, -1); + if (err == 0) + log_count++; + else if (err < 0) + perror("Nlog"); + } + if (all || !strcmp(cfg.type, "CONTROLLERINITTELEMETRY")) { + err = dump_telemetry(dev, cfg, CONTROLLER); + if (err == 0) + log_count++; + else if (err < 0) + perror("Telemetry Controller Initated"); + } + if (all || !strcmp(cfg.type, "HOSTINITTELEMETRYNOGEN")) { + err = dump_telemetry(dev, cfg, HOSTGENOLD); + if (err == 0) + log_count++; + else if (err < 0) + perror("Previously existing Telemetry Host Initated"); + } + if (all || !strcmp(cfg.type, "HOSTINITTELEMETRY")) { + err = dump_telemetry(dev, cfg, HOSTGENNEW); + if (err == 0) + log_count++; + else if (err < 0) + perror("Telemetry Host Initated"); + } + + if (log_count == 0) { + if (err > 0) + nvme_show_status(err); + } else if ((log_count > 1) || cfg.verbose) + printf("Total: %d log files with prefix: %s\n", log_count, cfg.file_prefix); +out_dev: + /* Redundant close() to make static code analysis happy */ + close(dev->direct.fd); + dev_close(dev); + return err; +} |