diff options
Diffstat (limited to 'plugins/shannon/shannon-nvme.c')
| -rw-r--r-- | plugins/shannon/shannon-nvme.c | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/plugins/shannon/shannon-nvme.c b/plugins/shannon/shannon-nvme.c new file mode 100644 index 0000000..d4db8c7 --- /dev/null +++ b/plugins/shannon/shannon-nvme.c @@ -0,0 +1,381 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#include <fcntl.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <inttypes.h> + +#include "common.h" +#include "nvme.h" +#include "libnvme.h" +#include "plugin.h" +#include "linux/types.h" +#include "nvme-print.h" + +#define CREATE_CMD +#include "shannon-nvme.h" + +enum { + PROGRAM_FAIL_CNT, + ERASE_FAIL_CNT, + WEARLEVELING_COUNT, + E2E_ERR_CNT, + CRC_ERR_CNT, + TIME_WORKLOAD_MEDIA_WEAR, + TIME_WORKLOAD_HOST_READS, + TIME_WORKLOAD_TIMER, + THERMAL_THROTTLE, + RETRY_BUFFER_OVERFLOW, + PLL_LOCK_LOSS, + NAND_WRITE, + HOST_WRITE, + SRAM_ERROR_CNT, + ADD_SMART_ITEMS, +}; + +#pragma pack(push, 1) +struct nvme_shannon_smart_log_item { + __u8 rsv1[3]; + __u8 norm; + __u8 rsv2; + union { + __u8 item_val[6]; + struct wear_level { + __le16 min; + __le16 max; + __le16 avg; + } wear_level; + struct thermal_throttle { + __u8 st; + __u32 count; + } thermal_throttle; + }; + __u8 _resv; +}; +#pragma pack(pop) + +struct nvme_shannon_smart_log { + struct nvme_shannon_smart_log_item items[ADD_SMART_ITEMS]; + __u8 vend_spec_resv; +}; + +static void show_shannon_smart_log(struct nvme_shannon_smart_log *smart, unsigned int nsid, + const char *devname) +{ + printf("Additional Smart Log for NVME device:%s namespace-id:%x\n", + devname, nsid); + printf("key normalized value\n"); + printf("program_fail_count : %3d%% %"PRIu64"\n", + smart->items[PROGRAM_FAIL_CNT].norm, + int48_to_long(smart->items[PROGRAM_FAIL_CNT].item_val)); + printf("erase_fail_count : %3d%% %"PRIu64"\n", + smart->items[ERASE_FAIL_CNT].norm, + int48_to_long(smart->items[ERASE_FAIL_CNT].item_val)); + printf("wear_leveling : %3d%% min: %u, max: %u, avg: %u\n", + smart->items[WEARLEVELING_COUNT].norm, + le16_to_cpu(smart->items[WEARLEVELING_COUNT].wear_level.min), + le16_to_cpu(smart->items[WEARLEVELING_COUNT].wear_level.max), + le16_to_cpu(smart->items[WEARLEVELING_COUNT].wear_level.avg)); + printf("end_to_end_error_detection_count: %3d%% %"PRIu64"\n", + smart->items[E2E_ERR_CNT].norm, + int48_to_long(smart->items[E2E_ERR_CNT].item_val)); + printf("crc_error_count : %3d%% %"PRIu64"\n", + smart->items[CRC_ERR_CNT].norm, + int48_to_long(smart->items[CRC_ERR_CNT].item_val)); + printf("timed_workload_media_wear : %3d%% %.3f%%\n", + smart->items[TIME_WORKLOAD_MEDIA_WEAR].norm, + ((float)int48_to_long(smart->items[TIME_WORKLOAD_MEDIA_WEAR].item_val)) / 1024); + printf("timed_workload_host_reads : %3d%% %"PRIu64"%%\n", + smart->items[TIME_WORKLOAD_HOST_READS].norm, + int48_to_long(smart->items[TIME_WORKLOAD_HOST_READS].item_val)); + printf("timed_workload_timer : %3d%% %"PRIu64" min\n", + smart->items[TIME_WORKLOAD_TIMER].norm, + int48_to_long(smart->items[TIME_WORKLOAD_TIMER].item_val)); + printf("thermal_throttle_status : %3d%% CurTTSta: %u%%, TTCnt: %u\n", + smart->items[THERMAL_THROTTLE].norm, + smart->items[THERMAL_THROTTLE].thermal_throttle.st, + smart->items[THERMAL_THROTTLE].thermal_throttle.count); + printf("retry_buffer_overflow_count : %3d%% %"PRIu64"\n", + smart->items[RETRY_BUFFER_OVERFLOW].norm, + int48_to_long(smart->items[RETRY_BUFFER_OVERFLOW].item_val)); + printf("pll_lock_loss_count : %3d%% %"PRIu64"\n", + smart->items[PLL_LOCK_LOSS].norm, + int48_to_long(smart->items[PLL_LOCK_LOSS].item_val)); + printf("nand_bytes_written : %3d%% sectors: %"PRIu64"\n", + smart->items[NAND_WRITE].norm, + int48_to_long(smart->items[NAND_WRITE].item_val)); + printf("host_bytes_written : %3d%% sectors: %"PRIu64"\n", + smart->items[HOST_WRITE].norm, + int48_to_long(smart->items[HOST_WRITE].item_val)); + printf("sram_error_count : %3d%% %"PRIu64"\n", + smart->items[RETRY_BUFFER_OVERFLOW].norm, + int48_to_long(smart->items[SRAM_ERROR_CNT].item_val)); +} + +static int get_additional_smart_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + struct nvme_shannon_smart_log smart_log; + char *desc = + "Get Shannon vendor specific additional smart log (optionally, for the specified namespace), and show it."; + const char *namespace = "(optional) desired namespace"; + const char *raw = "dump output in binary format"; + struct nvme_dev *dev; + struct config { + __u32 namespace_id; + bool raw_binary; + }; + int err; + + struct config cfg = { + .namespace_id = NVME_NSID_ALL, + }; + + OPT_ARGS(opts) = { + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + err = nvme_get_nsid_log(dev_fd(dev), false, 0xca, cfg.namespace_id, + sizeof(smart_log), &smart_log); + if (!err) { + if (!cfg.raw_binary) + show_shannon_smart_log(&smart_log, cfg.namespace_id, dev->name); + else + d_raw((unsigned char *)&smart_log, sizeof(smart_log)); + } else if (err > 0) { + nvme_show_status(err); + } + dev_close(dev); + return err; +} + +static int get_additional_feature(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Read operating parameters of the\n" + "specified controller. Operating parameters are grouped\n" + "and identified by Feature Identifiers; each Feature\n" + "Identifier contains one or more attributes that may affect\n" + "behavior of the feature. Each Feature has three possible\n" + "settings: default, saveable, and current. If a Feature is\n" + "saveable, it may be modified by set-feature. Default values\n" + "are vendor-specific and not changeable. Use set-feature to\n" + "change saveable Features.\n\n" + "Available additional feature id:\n" + "0x02: Shannon power management\n"; + const char *raw = "show infos in binary format"; + const char *namespace_id = "identifier of desired namespace"; + const char *feature_id = "hexadecimal feature name"; + const char *sel = "[0-3]: curr./default/saved/supp."; + const char *data_len = "buffer len (if) data is returned"; + const char *cdw11 = "dword 11 for interrupt vector config"; + const char *human_readable = "show infos in readable format"; + struct nvme_dev *dev; + void *buf = NULL; + __u32 result; + int err; + + struct config { + __u32 namespace_id; + enum nvme_features_id feature_id; + __u8 sel; + __u32 cdw11; + __u32 data_len; + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .namespace_id = 1, + .feature_id = 0, + .sel = 0, + .cdw11 = 0, + .data_len = 0, + }; + + OPT_ARGS(opts) = { + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_UINT("feature-id", 'f', &cfg.feature_id, feature_id), + OPT_BYTE("sel", 's', &cfg.sel, sel), + OPT_UINT("data-len", 'l', &cfg.data_len, data_len), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw), + OPT_UINT("cdw11", 'c', &cfg.cdw11, cdw11), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.sel > 7) { + fprintf(stderr, "invalid 'select' param:%d\n", cfg.sel); + dev_close(dev); + return -EINVAL; + } + if (!cfg.feature_id) { + fprintf(stderr, "feature-id required param\n"); + dev_close(dev); + return -EINVAL; + } + if (cfg.data_len) { + if (posix_memalign(&buf, getpagesize(), cfg.data_len)) { + dev_close(dev); + exit(ENOMEM); + } + memset(buf, 0, cfg.data_len); + } + + struct nvme_get_features_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .fid = cfg.feature_id, + .nsid = cfg.namespace_id, + .sel = cfg.sel, + .cdw11 = cfg.cdw11, + .uuidx = 0, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_get_features(&args); + if (err > 0) + nvme_show_status(err); + if (buf) + free(buf); + return err; +} + +static int set_additional_feature(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Modify the saveable or changeable\n" + "current operating parameters of the controller. Operating\n" + "parameters are grouped and identified by Feature\n" + "Identifiers. Feature settings can be applied to the entire\n" + "controller and all associated namespaces, or to only a few\n" + "namespace(s) associated with the controller. Default values\n" + "for each Feature are vendor-specific and may not be modified.\n" + "Use get-feature to determine which Features are supported by\n" + "the controller and are saveable/changeable.\n\n" + "Available additional feature id:\n" + "0x02: Shannon power management\n"; + const char *namespace_id = "desired namespace"; + const char *feature_id = "hex feature name (required)"; + const char *data_len = "buffer length if data required"; + const char *data = "optional file for feature data (default stdin)"; + const char *value = "new value of feature (required)"; + const char *save = "specifies that the controller shall save the attribute"; + int ffd = STDIN_FILENO; + struct nvme_dev *dev; + void *buf = NULL; + __u32 result; + int err; + + struct config { + char *file; + __u32 namespace_id; + __u32 feature_id; + __u32 value; + __u32 data_len; + bool save; + }; + + struct config cfg = { + .file = "", + .namespace_id = 0, + .feature_id = 0, + .value = 0, + .data_len = 0, + .save = 0, + }; + + OPT_ARGS(opts) = { + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_UINT("feature-id", 'f', &cfg.feature_id, feature_id), + OPT_UINT("value", 'v', &cfg.value, value), + OPT_UINT("data-len", 'l', &cfg.data_len, data_len), + OPT_FILE("data", 'd', &cfg.file, data), + OPT_FLAG("save", 's', &cfg.save, save), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.feature_id) { + fprintf(stderr, "feature-id required param\n"); + dev_close(dev); + return -EINVAL; + } + + if (cfg.data_len) { + if (posix_memalign(&buf, getpagesize(), cfg.data_len)) { + fprintf(stderr, "can not allocate feature payload\n"); + dev_close(dev); + return -ENOMEM; + } + memset(buf, 0, cfg.data_len); + } + + if (buf) { + if (strlen(cfg.file)) { + ffd = open(cfg.file, O_RDONLY); + if (ffd <= 0) { + fprintf(stderr, "no firmware file provided\n"); + err = EINVAL; + goto free; + } + } + err = read(ffd, (void *)buf, cfg.data_len); + if (err < 0) { + fprintf(stderr, "failed to read data buffer from input file\n"); + err = EINVAL; + goto free; + } + } + + struct nvme_set_features_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .fid = cfg.feature_id, + .nsid = cfg.namespace_id, + .cdw11 = cfg.value, + .cdw12 = 0, + .save = cfg.save, + .uuidx = 0, + .cdw15 = 0, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_set_features(&args); + if (err < 0) { + perror("set-feature"); + goto free; + } + if (!err) { + if (buf) + d(buf, cfg.data_len, 16, 1); + } else if (err > 0) + nvme_show_status(err); + +free: + if (buf) + free(buf); + return err; +} + +static int shannon_id_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + return __id_ctrl(argc, argv, cmd, plugin, NULL); +} + + + |