diff options
Diffstat (limited to 'nvme.c')
-rw-r--r-- | nvme.c | 9105 |
1 files changed, 9105 insertions, 0 deletions
@@ -0,0 +1,9105 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * NVM-Express command line utility. + * + * Copyright (c) 2014-2015, Intel Corporation. + * + * Written by Keith Busch <kbusch@kernel.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** + * This program uses NVMe IOCTLs to run native nvme commands to a device. + */ +#include "config.h" +#include "nvme/tree.h" +#include "nvme/types.h" +#include "util/cleanup.h" +#include <errno.h> +#include <getopt.h> +#include <fcntl.h> +#include <inttypes.h> +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <math.h> +#include <dirent.h> +#include <libgen.h> +#include <signal.h> + +#include <linux/fs.h> + +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> + +#if HAVE_SYS_RANDOM + #include <sys/random.h> +#endif + +#include "common.h" +#include "nvme.h" +#include "libnvme.h" +#include "nvme-print.h" +#include "plugin.h" +#include "util/base64.h" +#include "util/crc32.h" +#include "nvme-wrap.h" +#include "util/argconfig.h" +#include "util/suffix.h" +#include "fabrics.h" +#define CREATE_CMD +#include "nvme-builtin.h" +#include "malloc.h" + +struct feat_cfg { + enum nvme_features_id feature_id; + __u32 namespace_id; + enum nvme_get_features_sel sel; + __u32 cdw11; + __u32 cdw12; + __u8 uuid_index; + __u32 data_len; + bool raw_binary; + bool human_readable; +}; + +struct passthru_config { + __u8 opcode; + __u8 flags; + __u16 rsvd; + __u32 namespace_id; + __u32 data_len; + __u32 metadata_len; + __u32 timeout; + __u32 cdw2; + __u32 cdw3; + __u32 cdw10; + __u32 cdw11; + __u32 cdw12; + __u32 cdw13; + __u32 cdw14; + __u32 cdw15; + char *input_file; + char *metadata; + bool raw_binary; + bool show_command; + bool dry_run; + bool read; + bool write; + __u8 prefill; + bool latency; +}; + +#define NVME_ARGS(n, ...) \ + struct argconfig_commandline_options n[] = { \ + OPT_FLAG("verbose", 'v', NULL, verbose), \ + OPT_FMT("output-format", 'o', &output_format_val, output_format), \ + ##__VA_ARGS__, \ + OPT_END() \ + } + +static const char nvme_version_string[] = NVME_VERSION; + +static struct plugin builtin = { + .commands = commands, + .name = NULL, + .desc = NULL, + .next = NULL, + .tail = &builtin, +}; + +static struct program nvme = { + .name = "nvme", + .version = nvme_version_string, + .usage = "<command> [<device>] [<args>]", + .desc = "The '<device>' may be either an NVMe character " + "device (ex: /dev/nvme0), an nvme block device " + "(ex: /dev/nvme0n1), or a mctp address in the form " + "mctp:<net>,<eid>[:ctrl-id]", + .extensions = &builtin, +}; + +const char *output_format = "Output format: normal|json|binary"; +static const char *app_tag = "app tag for end-to-end PI"; +static const char *app_tag_mask = "app tag mask for end-to-end PI"; +static const char *block_count = "number of blocks (zeroes based) on device to access"; +static const char *crkey = "current reservation key"; +static const char *csi = "command set identifier"; +static const char *buf_len = "buffer len (if) data is sent or received"; +static const char *domainid = "Domain Identifier"; +static const char *doper = "directive operation"; +static const char *dry = "show command instead of sending"; +static const char *dspec_w_dtype = "directive specification associated with directive type"; +static const char *dtype = "directive type"; +static const char *force_unit_access = "force device to commit data before command completes"; +static const char *human_readable_directive = "show directive in readable format"; +static const char *human_readable_identify = "show identify in readable format"; +static const char *human_readable_info = "show info in readable format"; +static const char *human_readable_log = "show log in readable format"; +static const char *iekey = "ignore existing res. key"; +static const char *latency = "output latency statistics"; +static const char *lba_format_index = "The index into the LBA Format list\n" + "identifying the LBA Format capabilities that are to be returned"; +static const char *limited_retry = "limit media access attempts"; +static const char *lsp = "log specific field"; +static const char *mos = "management operation specific"; +static const char *mo = "management operation"; +static const char *namespace_desired = "desired namespace"; +static const char *namespace_id_desired = "identifier of desired namespace"; +static const char *namespace_id_optional = "optional namespace attached to controller"; +static const char *nssf = "NVMe Security Specific Field"; +static const char *prinfo = "PI and check field"; +static const char *rae = "Retain an Asynchronous Event"; +static const char *raw_directive = "show directive in binary format"; +static const char *raw_dump = "dump output in binary format"; +static const char *raw_identify = "show identify in binary format"; +static const char *raw_log = "show log in binary format"; +static const char *raw_output = "output in binary format"; +static const char *ref_tag = "reference tag for end-to-end PI"; +static const char *raw_use = "use binary output"; +static const char *rtype = "reservation type"; +static const char *secp = "security protocol (cf. SPC-4)"; +static const char *spsp = "security-protocol-specific (cf. SPC-4)"; +static const char *start_block = "64-bit LBA of first block to access"; +static const char *storage_tag = "storage tag for end-to-end PI"; +static const char *timeout = "timeout value, in milliseconds"; +static const char *uuid_index = "UUID index"; +static const char *uuid_index_specify = "specify uuid index"; +static const char *verbose = "Increase output verbosity"; +static const char dash[51] = {[0 ... 49] = '=', '\0'}; +static const char space[51] = {[0 ... 49] = ' ', '\0'}; + +static char *output_format_val = "normal"; + +static void *mmap_registers(nvme_root_t r, struct nvme_dev *dev); + +const char *nvme_strerror(int errnum) +{ + if (errnum >= ENVME_CONNECT_RESOLVE) + return nvme_errno_to_string(errnum); + return strerror(errnum); +} + +int map_log_level(int verbose, bool quiet) +{ + int log_level; + + /* + * LOG_NOTICE is unused thus the user has to provide two 'v' for getting + * any feedback at all. Thus skip this level + */ + verbose++; + + switch (verbose) { + case 0: + log_level = LOG_WARNING; + break; + case 1: + log_level = LOG_NOTICE; + break; + case 2: + log_level = LOG_INFO; + break; + default: + log_level = LOG_DEBUG; + break; + } + if (quiet) + log_level = LOG_ERR; + + return log_level; +} + +static ssize_t getrandom_bytes(void *buf, size_t buflen) +{ +#if HAVE_SYS_RANDOM + return getrandom(buf, buflen, GRND_NONBLOCK); +#else + ssize_t result; + int fd, err = 0; + + fd = open("/dev/urandom", O_RDONLY); + if (fd < 0) + return fd; + result = read(fd, buf, buflen); + if (result < 0) + err = errno; + close(fd); + errno = err; + return result; +#endif +} + +static bool is_chardev(struct nvme_dev *dev) +{ + return S_ISCHR(dev->direct.stat.st_mode); +} + +static bool is_blkdev(struct nvme_dev *dev) +{ + return S_ISBLK(dev->direct.stat.st_mode); +} + +static int open_dev_direct(struct nvme_dev **devp, char *devstr, int flags) +{ + struct nvme_dev *dev; + int err; + + dev = calloc(1, sizeof(*dev)); + if (!dev) + return -1; + + dev->type = NVME_DEV_DIRECT; + dev->name = basename(devstr); + err = open(devstr, flags); + if (err < 0) { + nvme_show_perror(devstr); + goto err_free; + } + dev->direct.fd = err; + + err = fstat(dev_fd(dev), &dev->direct.stat); + if (err < 0) { + nvme_show_perror(devstr); + goto err_close; + } + if (!is_chardev(dev) && !is_blkdev(dev)) { + nvme_show_error("%s is not a block or character device", devstr); + err = -ENODEV; + goto err_close; + } + *devp = dev; + return 0; + +err_close: + close(dev_fd(dev)); +err_free: + free(dev); + return err; +} + +static int parse_mi_dev(char *dev, unsigned int *net, uint8_t *eid, + unsigned int *ctrl) +{ + int rc; + + /* <net>,<eid>:<ctrl-id> form */ + rc = sscanf(dev, "mctp:%u,%hhu:%u", net, eid, ctrl); + if (rc == 3) + return 0; + + /* <net>,<eid> form, implicit ctrl-id = 0 */ + *ctrl = 0; + rc = sscanf(dev, "mctp:%u,%hhu", net, eid); + if (rc == 2) + return 0; + + return -1; +} + +static int open_dev_mi_mctp(struct nvme_dev **devp, char *devstr) +{ + unsigned int net, ctrl_id; + struct nvme_dev *dev; + unsigned char eid; + int rc; + + rc = parse_mi_dev(devstr, &net, &eid, &ctrl_id); + if (rc) { + nvme_show_error("invalid device specifier '%s'", devstr); + return rc; + } + + dev = calloc(1, sizeof(*dev)); + if (!dev) + return -1; + + dev->type = NVME_DEV_MI; + dev->name = devstr; + + /* todo: verbose argument */ + dev->mi.root = nvme_mi_create_root(stderr, LOG_WARNING); + if (!dev->mi.root) + goto err_free; + + dev->mi.ep = nvme_mi_open_mctp(dev->mi.root, net, eid); + if (!dev->mi.ep) + goto err_free_root; + + dev->mi.ctrl = nvme_mi_init_ctrl(dev->mi.ep, ctrl_id); + if (!dev->mi.ctrl) + goto err_close_ep; + + *devp = dev; + return 0; + +err_close_ep: + nvme_mi_close(dev->mi.ep); +err_free_root: + nvme_mi_free_root(dev->mi.root); +err_free: + free(dev); + return -1; +} + +static int check_arg_dev(int argc, char **argv) +{ + if (optind >= argc) { + errno = EINVAL; + nvme_show_perror(argv[0]); + return -EINVAL; + } + return 0; +} + +static int get_dev(struct nvme_dev **dev, int argc, char **argv, int flags) +{ + char *devname; + int ret; + + ret = check_arg_dev(argc, argv); + if (ret) + return ret; + + devname = argv[optind]; + + if (!strncmp(devname, "mctp:", strlen("mctp:"))) + ret = open_dev_mi_mctp(dev, devname); + else + ret = open_dev_direct(dev, devname, flags); + + return ret != 0 ? -errno : 0; +} + +int parse_and_open(struct nvme_dev **dev, int argc, char **argv, + const char *desc, + struct argconfig_commandline_options *opts) +{ + int ret; + + ret = argconfig_parse(argc, argv, desc, opts); + if (ret) + return ret; + + ret = get_dev(dev, argc, argv, O_RDONLY); + if (ret < 0) + argconfig_print_help(desc, opts); + else if (argconfig_parse_seen(opts, "verbose")) + nvme_cli_set_debug(*dev, true); + + return ret; +} + +int open_exclusive(struct nvme_dev **dev, int argc, char **argv, + int ignore_exclusive) +{ + int flags = O_RDONLY; + + if (!ignore_exclusive) + flags |= O_EXCL; + + return get_dev(dev, argc, argv, flags); +} + +int validate_output_format(const char *format, enum nvme_print_flags *flags) +{ + enum nvme_print_flags f; + + if (!format) + return -EINVAL; + + if (!strcmp(format, "normal")) + f = NORMAL; + else if (!strcmp(format, "json")) + f = JSON; + else if (!strcmp(format, "binary")) + f = BINARY; + else + return -EINVAL; + + *flags = f; + + return 0; +} + +bool nvme_is_output_format_json(void) +{ + enum nvme_print_flags flags; + + if (validate_output_format(output_format_val, &flags)) + return false; + + return flags == JSON; +} + +void dev_close(struct nvme_dev *dev) +{ + switch (dev->type) { + case NVME_DEV_DIRECT: + close(dev_fd(dev)); + break; + case NVME_DEV_MI: + nvme_mi_close(dev->mi.ep); + nvme_mi_free_root(dev->mi.root); + break; + } + free(dev); +} + +static int get_smart_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve SMART log for the given device " + "(or optionally a namespace) in either decoded format " + "(default) or binary."; + + _cleanup_free_ struct nvme_smart_log *smart_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + const char *namespace = "(optional) desired namespace"; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u32 namespace_id; + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .namespace_id = NVME_NSID_ALL, + .raw_binary = false, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_output), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_info)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.human_readable) + flags |= VERBOSE; + + smart_log = nvme_alloc(sizeof(*smart_log)); + if (!smart_log) + return -ENOMEM; + + err = nvme_cli_get_log_smart(dev, cfg.namespace_id, false, + smart_log); + if (!err) + nvme_show_smart_log(smart_log, cfg.namespace_id, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("smart log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_ana_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve ANA log for the given device in " + "decoded format (default), json or binary."; + const char *groups = "Return ANA groups only."; + + _cleanup_nvme_dev_ struct nvme_dev *dev= NULL; + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_free_ void *ana_log = NULL; + size_t ana_log_len; + enum nvme_print_flags flags; + enum nvme_log_ana_lsp lsp; + int err = -1; + + struct config { + bool groups; + }; + + struct config cfg = { + .groups = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("groups", 'g', &cfg.groups, groups)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err) { + nvme_show_error("ERROR : nvme_identify_ctrl() failed: %s", + nvme_strerror(errno)); + return err; + } + + ana_log_len = sizeof(struct nvme_ana_log) + + le32_to_cpu(ctrl->nanagrpid) * sizeof(struct nvme_ana_group_desc); + if (!(ctrl->anacap & (1 << 6))) + ana_log_len += le32_to_cpu(ctrl->mnan) * sizeof(__le32); + + ana_log = nvme_alloc(ana_log_len); + if (!ana_log) + return -ENOMEM; + + lsp = cfg.groups ? NVME_LOG_ANA_LSP_RGO_GROUPS_ONLY : + NVME_LOG_ANA_LSP_RGO_NAMESPACES; + + err = nvme_cli_get_log_ana(dev, lsp, true, 0, ana_log_len, ana_log); + if (!err) + nvme_show_ana_log(ana_log, dev->name, ana_log_len, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("ana-log: %s", nvme_strerror(errno)); + + return err; +} + +static int parse_telemetry_da(struct nvme_dev *dev, + enum nvme_telemetry_da da, + struct nvme_telemetry_log *telem, + size_t *size) + +{ + _cleanup_free_ struct nvme_id_ctrl *id_ctrl = NULL; + size_t dalb = 0; + + id_ctrl = nvme_alloc(sizeof(*id_ctrl)); + if (!id_ctrl) + return -ENOMEM; + + switch (da) { + case NVME_TELEMETRY_DA_1: + dalb = le16_to_cpu(telem->dalb1); + break; + case NVME_TELEMETRY_DA_2: + dalb = le16_to_cpu(telem->dalb2); + break; + case NVME_TELEMETRY_DA_3: + /* dalb3 >= dalb2 >= dalb1 */ + dalb = le16_to_cpu(telem->dalb3); + break; + case NVME_TELEMETRY_DA_4: + if (nvme_cli_identify_ctrl(dev, id_ctrl)) { + perror("identify-ctrl"); + return -errno; + } + + if (id_ctrl->lpa & 0x40) { + dalb = le32_to_cpu(telem->dalb4); + } else { + nvme_show_error( + "Data area 4 unsupported, bit 6 of Log Page Attributes not set"); + return -EINVAL; + } + break; + default: + nvme_show_error("Invalid data area parameter - %d", da); + return -EINVAL; + } + + if (dalb == 0) { + nvme_show_error("ERROR: No telemetry data block"); + return -ENOENT; + } + *size = (dalb + 1) * NVME_LOG_TELEM_BLOCK_SIZE; + return 0; +} + +static int get_log_telemetry_ctrl(struct nvme_dev *dev, bool rae, size_t size, + struct nvme_telemetry_log **buf) +{ + struct nvme_telemetry_log *log; + int err; + + log = nvme_alloc(size); + if (!log) + return -errno; + + err = nvme_cli_get_log_telemetry_ctrl(dev, rae, 0, size, log); + if (err) { + free(log); + return -errno; + } + + *buf = log; + return 0; +} + +static int get_log_telemetry_host(struct nvme_dev *dev, size_t size, + struct nvme_telemetry_log **buf) +{ + struct nvme_telemetry_log *log; + int err; + + log = nvme_alloc(size); + if (!log) + return -errno; + + err = nvme_cli_get_log_telemetry_host(dev, 0, size, log); + if (err) { + free(log); + return -errno; + } + + *buf = log; + return 0; +} + +static int __create_telemetry_log_host(struct nvme_dev *dev, + enum nvme_telemetry_da da, + size_t *size, + struct nvme_telemetry_log **buf) +{ + _cleanup_free_ struct nvme_telemetry_log *log = NULL; + int err; + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -ENOMEM; + + err = nvme_cli_get_log_create_telemetry_host(dev, log); + if (err) + return -errno; + + err = parse_telemetry_da(dev, da, log, size); + if (err) + return err; + + return get_log_telemetry_host(dev, *size, buf); +} + +static int __get_telemetry_log_ctrl(struct nvme_dev *dev, + bool rae, + enum nvme_telemetry_da da, + size_t *size, + struct nvme_telemetry_log **buf) +{ + struct nvme_telemetry_log *log; + int err; + + log = nvme_alloc(NVME_LOG_TELEM_BLOCK_SIZE); + if (!log) + return -errno; + + /* + * set rae = true so it won't clear the current telemetry log in + * controller + */ + err = nvme_cli_get_log_telemetry_ctrl(dev, true, 0, + NVME_LOG_TELEM_BLOCK_SIZE, + log); + if (err) + goto free; + + if (!log->ctrlavail) { + if (!rae) { + err = nvme_cli_get_log_telemetry_ctrl(dev, rae, 0, + NVME_LOG_TELEM_BLOCK_SIZE, + log); + goto free; + } + + *size = NVME_LOG_TELEM_BLOCK_SIZE; + *buf = log; + + printf("Warning: Telemetry Controller-Initiated Data Not Available.\n"); + return 0; + } + + err = parse_telemetry_da(dev, da, log, size); + if (err) + goto free; + + return get_log_telemetry_ctrl(dev, rae, *size, buf); + +free: + free(log); + return err; +} + +static int __get_telemetry_log_host(struct nvme_dev *dev, + enum nvme_telemetry_da da, + size_t *size, + struct nvme_telemetry_log **buf) +{ + _cleanup_free_ struct nvme_telemetry_log *log = NULL; + int err; + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -errno; + + err = nvme_cli_get_log_telemetry_host(dev, 0, + NVME_LOG_TELEM_BLOCK_SIZE, + log); + if (err) + return err; + + err = parse_telemetry_da(dev, da, log, size); + if (err) + return err; + + return get_log_telemetry_host(dev, *size, buf); +} + +static int get_telemetry_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve telemetry log and write to binary file"; + const char *fname = "File name to save raw binary, includes header"; + const char *hgen = "Have the host tell the controller to generate the report"; + const char *cgen = "Gather report generated by the controller."; + const char *dgen = "Pick which telemetry data area to report. Default is 3 to fetch areas 1-3. Valid options are 1, 2, 3, 4."; + + _cleanup_free_ struct nvme_telemetry_log *log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_file_ int output = -1; + int err = 0; + size_t total_size; + __u8 *data_ptr = NULL; + int data_written = 0, data_remaining = 0; + + struct config { + char *file_name; + __u32 host_gen; + bool ctrl_init; + int data_area; + bool rae; + }; + struct config cfg = { + .file_name = NULL, + .host_gen = 1, + .ctrl_init = false, + .data_area = 3, + .rae = true, + }; + + NVME_ARGS(opts, + OPT_FILE("output-file", 'O', &cfg.file_name, fname), + OPT_UINT("host-generate", 'g', &cfg.host_gen, hgen), + OPT_FLAG("controller-init", 'c', &cfg.ctrl_init, cgen), + OPT_UINT("data-area", 'd', &cfg.data_area, dgen), + OPT_FLAG("rae", 'r', &cfg.rae, rae)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.file_name) { + nvme_show_error("Please provide an output file!"); + return -EINVAL; + } + + cfg.host_gen = !!cfg.host_gen; + output = open(cfg.file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (output < 0) { + nvme_show_error("Failed to open output file %s: %s!", + cfg.file_name, strerror(errno)); + return output; + } + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -ENOMEM; + + if (cfg.ctrl_init) + err = __get_telemetry_log_ctrl(dev, cfg.rae, cfg.data_area, + &total_size, &log); + else if (cfg.host_gen) + err = __create_telemetry_log_host(dev, cfg.data_area, + &total_size, &log); + else + err = __get_telemetry_log_host(dev, cfg.data_area, + &total_size, &log); + + if (err < 0) { + nvme_show_error("get-telemetry-log: %s", nvme_strerror(errno)); + return err; + } else if (err > 0) { + nvme_show_status(err); + fprintf(stderr, "Failed to acquire telemetry log %d!\n", err); + return err; + } + + data_written = 0; + data_remaining = total_size; + data_ptr = (__u8 *)log; + + while (data_remaining) { + data_written = write(output, data_ptr, data_remaining); + if (data_written < 0) { + data_remaining = data_written; + break; + } else if (data_written <= data_remaining) { + data_remaining -= data_written; + data_ptr += data_written; + } else { + /* Unexpected overwrite */ + fprintf(stderr, "Failure: Unexpected telemetry log overwrite - data_remaining = 0x%x, data_written = 0x%x\n", + data_remaining, data_written); + break; + } + } + + if (fsync(output) < 0) { + nvme_show_error("ERROR : %s: : fsync : %s", __func__, strerror(errno)); + return -1; + } + + return err; +} + +static int get_endurance_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieves endurance groups log page and prints the log."; + const char *group_id = "The endurance group identifier"; + + _cleanup_free_ struct nvme_endurance_group_log *endurance_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 group_id; + }; + + struct config cfg = { + .group_id = 0, + }; + + NVME_ARGS(opts, + OPT_SHRT("group-id", 'g', &cfg.group_id, group_id)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + endurance_log = nvme_alloc(sizeof(*endurance_log)); + if (!endurance_log) + return -ENOMEM; + + err = nvme_cli_get_log_endurance_group(dev, cfg.group_id, + endurance_log); + if (!err) + nvme_show_endurance_log(endurance_log, cfg.group_id, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("endurance log: %s", nvme_strerror(errno)); + + return err; +} + +static int collect_effects_log(struct nvme_dev *dev, enum nvme_csi csi, + struct list_head *list, int flags) +{ + nvme_effects_log_node_t *node; + int err; + + node = nvme_alloc(sizeof(*node)); + if (!node) + return -ENOMEM; + + node->csi = csi; + + err = nvme_cli_get_log_cmd_effects(dev, csi, &node->effects); + if (err) { + free(node); + return err; + } + list_add(list, &node->node); + return 0; +} + +static int get_effects_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve command effects log page and print the table."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + struct list_head log_pages; + nvme_effects_log_node_t *node; + + void *bar = NULL; + + int err = -1; + enum nvme_print_flags flags; + + struct config { + bool human_readable; + bool raw_binary; + int csi; + }; + + struct config cfg = { + .human_readable = false, + .raw_binary = false, + .csi = -1, + }; + + NVME_ARGS(opts, + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_log), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_log), + OPT_INT("csi", 'c', &cfg.csi, csi)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.human_readable) + flags |= VERBOSE; + + list_head_init(&log_pages); + + if (cfg.csi < 0) { + nvme_root_t r; + __u64 cap; + + r = nvme_scan(NULL); + bar = mmap_registers(r, dev); + nvme_free_tree(r); + + if (bar) { + cap = mmio_read64(bar + NVME_REG_CAP); + munmap(bar, getpagesize()); + } else { + struct nvme_get_property_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .offset = NVME_REG_CAP, + .value = &cap, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + }; + err = nvme_get_property(&args); + if (err) + goto cleanup_list; + } + + if (NVME_CAP_CSS(cap) & NVME_CAP_CSS_NVM) + err = collect_effects_log(dev, NVME_CSI_NVM, + &log_pages, flags); + + if (!err && (NVME_CAP_CSS(cap) & NVME_CAP_CSS_CSI)) + err = collect_effects_log(dev, NVME_CSI_ZNS, + &log_pages, flags); + } else { + err = collect_effects_log(dev, cfg.csi, &log_pages, flags); + } + + if (!err) + nvme_print_effects_log_pages(&log_pages, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("effects log page"); + +cleanup_list: + while ((node = list_pop(&log_pages, nvme_effects_log_node_t, node))) + free(node); + + return err; +} + +static int get_supported_log_pages(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve supported logs and print the table."; + + _cleanup_free_ struct nvme_supported_log_pages *supports = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + supports = nvme_alloc(sizeof(*supports)); + if (!supports) + return -ENOMEM; + + err = nvme_cli_get_log_supported_log_pages(dev, false, supports); + if (!err) + nvme_show_supported_log(supports, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("supported log pages: %s", nvme_strerror(errno)); + + return err; +} + +static int get_error_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve specified number of " + "error log entries from a given device " + "in either decoded format (default) or binary."; + const char *log_entries = "number of entries to retrieve"; + const char *raw = "dump in binary format"; + + _cleanup_free_ struct nvme_error_log_page *err_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + struct nvme_id_ctrl ctrl; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u32 log_entries; + bool raw_binary; + }; + + struct config cfg = { + .log_entries = 64, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("log-entries", 'e', &cfg.log_entries, log_entries), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (!cfg.log_entries) { + nvme_show_error("non-zero log-entries is required param"); + return -1; + } + + err = nvme_cli_identify_ctrl(dev, &ctrl); + if (err < 0) { + nvme_show_perror("identify controller"); + return err; + } else if (err) { + nvme_show_error("could not identify controller"); + return err; + } + + cfg.log_entries = min(cfg.log_entries, ctrl.elpe + 1); + err_log = nvme_alloc(cfg.log_entries * sizeof(struct nvme_error_log_page)); + if (!err_log) + return -ENOMEM; + + err = nvme_cli_get_log_error(dev, cfg.log_entries, false, err_log); + if (!err) + nvme_show_error_log(err_log, cfg.log_entries, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("error log"); + + return err; +} + +static int get_fw_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve the firmware log for the " + "specified device in either decoded format (default) or binary."; + + _cleanup_free_ struct nvme_firmware_slot *fw_log = NULL;; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + bool raw_binary; + }; + + struct config cfg = { + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + fw_log = nvme_alloc(sizeof(*fw_log)); + if (!fw_log) + return -ENOMEM; + + err = nvme_cli_get_log_fw_slot(dev, false, fw_log); + if (!err) + nvme_show_fw_log(fw_log, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("fw log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_changed_ns_list_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Changed Namespaces log for the given device " + "in either decoded format (default) or binary."; + + _cleanup_free_ struct nvme_ns_list *changed_ns_list_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + bool raw_binary; + }; + + struct config cfg = { + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_output)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + changed_ns_list_log = nvme_alloc(sizeof(*changed_ns_list_log)); + if (!changed_ns_list_log) + return -ENOMEM; + + err = nvme_cli_get_log_changed_ns_list(dev, true, + changed_ns_list_log); + if (!err) + nvme_show_changed_ns_list_log(changed_ns_list_log, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("changed ns list log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_pred_lat_per_nvmset_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Predictable latency per nvm set log " + "page and prints it for the given device in either decoded " + "format(default),json or binary."; + const char *nvmset_id = "NVM Set Identifier"; + + _cleanup_free_ struct nvme_nvmset_predictable_lat_log *plpns_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 nvmset_id; + bool raw_binary; + }; + + struct config cfg = { + .nvmset_id = 1, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_SHRT("nvmset-id", 'i', &cfg.nvmset_id, nvmset_id), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + plpns_log = nvme_alloc(sizeof(*plpns_log)); + if (!plpns_log) + return -ENOMEM; + + err = nvme_cli_get_log_predictable_lat_nvmset(dev, cfg.nvmset_id, + plpns_log); + if (!err) + nvme_show_predictable_latency_per_nvmset(plpns_log, cfg.nvmset_id, dev->name, + flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("predictable latency per nvm set: %s", nvme_strerror(errno)); + + return err; +} + +static int get_pred_lat_event_agg_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Predictable Latency Event " + "Aggregate Log page and prints it, for the given " + "device in either decoded format(default), json or binary."; + const char *log_entries = "Number of pending NVM Set log Entries list"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_free_ void *pea_log = NULL; + enum nvme_print_flags flags; + __u32 log_size; + int err; + + struct config { + __u64 log_entries; + bool rae; + bool raw_binary; + }; + + struct config cfg = { + .log_entries = 2044, + .rae = false, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("log-entries", 'e', &cfg.log_entries, log_entries), + OPT_FLAG("rae", 'r', &cfg.rae, rae), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (!cfg.log_entries) { + nvme_show_error("non-zero log-entries is required param"); + return -EINVAL; + } + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err < 0) { + nvme_show_error("identify controller: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + cfg.log_entries = min(cfg.log_entries, le32_to_cpu(ctrl->nsetidmax)); + log_size = sizeof(__u64) + cfg.log_entries * sizeof(__u16); + + pea_log = nvme_alloc(log_size); + if (!pea_log) + return -ENOMEM; + + err = nvme_cli_get_log_predictable_lat_event(dev, cfg.rae, 0, + log_size, pea_log); + if (!err) + nvme_show_predictable_latency_event_agg_log(pea_log, cfg.log_entries, log_size, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("predictable latency event aggregate log page: %s", + nvme_strerror(errno)); + + return err; +} + +static int get_persistent_event_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Persistent Event log info for " + "the given device in either decoded format(default), json or binary."; + const char *action = "action the controller shall take during " + "processing this persistent log page command."; + const char *log_len = "number of bytes to retrieve"; + + _cleanup_free_ struct nvme_persistent_event_log *pevent_collected = NULL; + _cleanup_free_ struct nvme_persistent_event_log *pevent = NULL; + _cleanup_huge_ struct nvme_mem_huge mh = { 0, }; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + void *pevent_log_info; + int err; + + struct config { + __u8 action; + __u32 log_len; + bool raw_binary; + }; + + struct config cfg = { + .action = 0xff, + .log_len = 0, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_BYTE("action", 'a', &cfg.action, action), + OPT_UINT("log_len", 'l', &cfg.log_len, log_len), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + pevent = nvme_alloc(sizeof(*pevent)); + if (!pevent) + return -ENOMEM; + + err = nvme_cli_get_log_persistent_event(dev, cfg.action, + sizeof(*pevent), pevent); + if (err < 0) { + nvme_show_error("persistent event log: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + if (cfg.action == NVME_PEVENT_LOG_RELEASE_CTX) { + printf("Releasing Persistent Event Log Context\n"); + return 0; + } + + if (!cfg.log_len && cfg.action != NVME_PEVENT_LOG_EST_CTX_AND_READ) { + cfg.log_len = le64_to_cpu(pevent->tll); + } else if (!cfg.log_len && cfg.action == NVME_PEVENT_LOG_EST_CTX_AND_READ) { + printf("Establishing Persistent Event Log Context\n"); + return 0; + } + + /* + * if header already read with context establish action 0x1, + * action shall not be 0x1 again in the subsequent request, + * until the current context is released by issuing action + * with 0x2, otherwise throws command sequence error, make + * it as zero to read the log page + */ + if (cfg.action == NVME_PEVENT_LOG_EST_CTX_AND_READ) + cfg.action = NVME_PEVENT_LOG_READ; + + pevent_log_info = nvme_alloc_huge(cfg.log_len, &mh); + if (!pevent_log_info) + return -ENOMEM; + + err = nvme_cli_get_log_persistent_event(dev, cfg.action, + cfg.log_len, pevent_log_info); + if (!err) { + err = nvme_cli_get_log_persistent_event(dev, cfg.action, + sizeof(*pevent), + pevent); + if (err < 0) { + nvme_show_error("persistent event log: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + pevent_collected = pevent_log_info; + if (pevent_collected->gen_number != pevent->gen_number) { + printf("Collected Persistent Event Log may be invalid,\n" + "Re-read the log is required\n"); + return -EINVAL; + } + + nvme_show_persistent_event_log(pevent_log_info, cfg.action, + cfg.log_len, dev->name, flags); + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_error("persistent event log: %s", nvme_strerror(errno)); + } + + return err; +} + +static int get_endurance_event_agg_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Retrieve Predictable Latency " + "Event Aggregate page and prints it, for the given " + "device in either decoded format(default), json or binary."; + const char *log_entries = "Number of pending Endurance Group Event log Entries list"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_free_ void *endurance_log = NULL; + enum nvme_print_flags flags; + __u32 log_size; + int err; + + struct config { + __u64 log_entries; + bool rae; + bool raw_binary; + }; + + struct config cfg = { + .log_entries = 2044, + .rae = false, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("log-entries", 'e', &cfg.log_entries, log_entries), + OPT_FLAG("rae", 'r', &cfg.rae, rae), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (!cfg.log_entries) { + nvme_show_error("non-zero log-entries is required param"); + return -EINVAL; + } + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err < 0) { + nvme_show_error("identify controller: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_error("could not identify controller"); + return -ENODEV; + } + + cfg.log_entries = min(cfg.log_entries, le16_to_cpu(ctrl->endgidmax)); + log_size = sizeof(__u64) + cfg.log_entries * sizeof(__u16); + + endurance_log = nvme_alloc(log_size); + if (!endurance_log) + return -ENOMEM; + + err = nvme_cli_get_log_endurance_grp_evt(dev, cfg.rae, 0, log_size, + endurance_log); + if (!err) + nvme_show_endurance_group_event_agg_log(endurance_log, cfg.log_entries, log_size, + dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("endurance group event aggregate log page: %s", + nvme_strerror(errno)); + + return err; +} + +static int get_lba_status_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Get LBA Status Info Log and prints it, " + "for the given device in either decoded format(default),json or binary."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *lba_status = NULL; + enum nvme_print_flags flags; + __u32 lslplen; + int err; + + struct config { + bool rae; + }; + + struct config cfg = { + .rae = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("rae", 'r', &cfg.rae, rae)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + err = nvme_cli_get_log_lba_status(dev, true, 0, sizeof(__u32), + &lslplen); + if (err < 0) { + nvme_show_error("lba status log page: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + lba_status = nvme_alloc(lslplen); + if (!lba_status) + return -ENOMEM; + + err = nvme_cli_get_log_lba_status(dev, cfg.rae, 0, lslplen, lba_status); + if (!err) + nvme_show_lba_status_log(lba_status, lslplen, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("lba status log page: %s", nvme_strerror(errno)); + + return err; +} + +static int get_resv_notif_log(int argc, char **argv, + struct command *cmd, struct plugin *plugin) +{ + + const char *desc = "Retrieve Reservation Notification " + "log page and prints it, for the given " + "device in either decoded format(default), json or binary."; + + _cleanup_free_ struct nvme_resv_notification_log *resv = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + resv = nvme_alloc(sizeof(*resv)); + if (!resv) + return -ENOMEM; + + err = nvme_cli_get_log_reservation(dev, false, resv); + if (!err) + nvme_show_resv_notif_log(resv, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("resv notifi log: %s", nvme_strerror(errno)); + + return err; + +} + +static int get_boot_part_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve Boot Partition " + "log page and prints it, for the given " + "device in either decoded format(default), json or binary."; + const char *fname = "boot partition data output file name"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_boot_partition *boot = NULL; + _cleanup_free_ __u8 *bp_log = NULL; + enum nvme_print_flags flags; + int err = -1; + _cleanup_file_ int output = -1; + __u32 bpsz = 0; + + struct config { + __u8 lsp; + char *file_name; + }; + + struct config cfg = { + .lsp = 0, + .file_name = NULL, + }; + + NVME_ARGS(opts, + OPT_BYTE("lsp", 's', &cfg.lsp, lsp), + OPT_FILE("output-file", 'f', &cfg.file_name, fname)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (!cfg.file_name) { + nvme_show_error("Please provide an output file!"); + return -1; + } + + if (cfg.lsp > 127) { + nvme_show_error("invalid lsp param: %u", cfg.lsp); + return -1; + } + + output = open(cfg.file_name, O_WRONLY | O_CREAT | O_TRUNC, 0666); + if (output < 0) { + nvme_show_error("Failed to open output file %s: %s!", + cfg.file_name, strerror(errno)); + return output; + } + + boot = nvme_alloc(sizeof(*boot)); + if (!boot) + return -ENOMEM; + + err = nvme_cli_get_log_boot_partition(dev, false, cfg.lsp, + sizeof(*boot), boot); + if (err < 0) { + nvme_show_error("boot partition log: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + bpsz = (boot->bpinfo & 0x7fff) * 128 * 1024; + bp_log = nvme_alloc(sizeof(*boot) + bpsz); + if (!bp_log) + return -ENOMEM; + + err = nvme_cli_get_log_boot_partition(dev, false, cfg.lsp, + sizeof(*boot) + bpsz, + (struct nvme_boot_partition *)bp_log); + if (!err) + nvme_show_boot_part_log(&bp_log, dev->name, sizeof(*boot) + bpsz, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("boot partition log: %s", nvme_strerror(errno)); + + err = write(output, (void *) bp_log + sizeof(*boot), bpsz); + if (err != bpsz) + fprintf(stderr, "Failed to flush all data to file!\n"); + else + printf("Data flushed into file %s\n", cfg.file_name); + err = 0; + + return err; +} + +static int get_phy_rx_eom_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve Physical Interface Receiver Eye Opening " + "Measurement log for the given device in decoded format " + "(default), json or binary."; + const char *controller = "Target Controller ID."; + _cleanup_free_ struct nvme_phy_rx_eom_log *phy_rx_eom_log = NULL; + size_t phy_rx_eom_log_len; + enum nvme_print_flags flags; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err = -1; + __u8 lsp_tmp; + + struct config { + __u8 lsp; + __u16 controller; + }; + + struct config cfg = { + .lsp = 0, + .controller = NVME_LOG_LSI_NONE, + }; + + NVME_ARGS(opts, + OPT_BYTE("lsp", 's', &cfg.lsp, lsp), + OPT_SHRT("controller", 'c', &cfg.controller, controller)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.lsp > 127) { + nvme_show_error("invalid lsp param: %u", cfg.lsp); + return -1; + } else if ((cfg.lsp & 3) == 3) { + nvme_show_error("invalid measurement quality: %u", cfg.lsp & 3); + return -1; + } else if ((cfg.lsp & 12) == 12) { + nvme_show_error("invalid action: %u", cfg.lsp & 12); + return -1; + } + + /* Fetching header to calculate total log length */ + phy_rx_eom_log_len = sizeof(struct nvme_phy_rx_eom_log); + phy_rx_eom_log = nvme_alloc(phy_rx_eom_log_len); + if (!phy_rx_eom_log) + return -ENOMEM; + + /* Just read measurement, take given action when fetching full log */ + lsp_tmp = cfg.lsp & 0xf3; + + err = nvme_cli_get_log_phy_rx_eom(dev, lsp_tmp, cfg.controller, phy_rx_eom_log_len, + phy_rx_eom_log); + if (err) { + if (err > 0) + nvme_show_status(err); + else + nvme_show_error("phy-rx-eom-log: %s", nvme_strerror(errno)); + + return err; + } + + if (phy_rx_eom_log->eomip == NVME_PHY_RX_EOM_COMPLETED) + phy_rx_eom_log_len = le16_to_cpu(phy_rx_eom_log->hsize) + + le32_to_cpu(phy_rx_eom_log->dsize) * + le16_to_cpu(phy_rx_eom_log->nd); + else + phy_rx_eom_log_len = le16_to_cpu(phy_rx_eom_log->hsize); + + phy_rx_eom_log = nvme_realloc(phy_rx_eom_log, phy_rx_eom_log_len); + if (!phy_rx_eom_log) + return -ENOMEM; + + err = nvme_cli_get_log_phy_rx_eom(dev, cfg.lsp, cfg.controller, phy_rx_eom_log_len, + phy_rx_eom_log); + if (!err) + nvme_show_phy_rx_eom_log(phy_rx_eom_log, cfg.controller, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("phy-rx-eom-log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_media_unit_stat_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve the configuration and wear of media units and print it"; + + _cleanup_free_ struct nvme_media_unit_stat_log *mus = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u16 domainid; + bool raw_binary; + }; + + struct config cfg = { + .domainid = 0, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("domain-id", 'd', &cfg.domainid, domainid), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + mus = nvme_alloc(sizeof(*mus)); + if (!mus) + return -ENOMEM; + + err = nvme_cli_get_log_media_unit_stat(dev, cfg.domainid, mus); + if (!err) + nvme_show_media_unit_stat_log(mus, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("media unit status log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_supp_cap_config_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve the list of Supported Capacity Configuration Descriptors"; + + _cleanup_free_ struct nvme_supported_cap_config_list_log *cap_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u16 domainid; + bool raw_binary; + }; + + struct config cfg = { + .domainid = 0, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("domain-id", 'd', &cfg.domainid, domainid), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_use)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + cap_log = nvme_alloc(sizeof(*cap_log)); + if (!cap_log) + return -ENOMEM; + + err = nvme_cli_get_log_support_cap_config_list(dev, cfg.domainid, + cap_log); + if (!err) + nvme_show_supported_cap_config_log(cap_log, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("supported capacity configuration list log"); + + return err; +} + +static int io_mgmt_send(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "I/O Management Send"; + const char *data = "optional file for data (default stdin)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + int err = -1; + int dfd = STDIN_FILENO; + + struct config { + __u16 mos; + __u8 mo; + __u32 namespace_id; + char *file; + __u32 data_len; + }; + + struct config cfg = { + .mos = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SHRT("mos", 's', &cfg.mos, mos), + OPT_BYTE("mo", 'm', &cfg.mo, mo), + OPT_FILE("data", 'd', &cfg.file, data), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_perror("get-namespace-id"); + return err; + } + } + + if (cfg.data_len) { + buf = nvme_alloc(cfg.data_len); + if (!buf) + return -ENOMEM; + } + + if (cfg.file) { + dfd = open(cfg.file, O_RDONLY); + if (dfd < 0) { + nvme_show_perror(cfg.file); + return -errno; + } + } + + err = read(dfd, buf, cfg.data_len); + if (err < 0) { + nvme_show_perror("read"); + goto close_fd; + } + + struct nvme_io_mgmt_send_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .mos = cfg.mos, + .mo = cfg.mo, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + }; + + err = nvme_io_mgmt_send(&args); + if (!err) + printf("io-mgmt-send: Success, mos:%u mo:%u nsid:%d\n", + cfg.mos, cfg.mo, cfg.namespace_id); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("io-mgmt-send"); + +close_fd: + if (cfg.file) + close(dfd); + return err; +} + +static int io_mgmt_recv(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "I/O Management Receive"; + const char *data = "optional file for data (default stdout)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + int err = -1; + _cleanup_file_ int dfd = -1; + + struct config { + __u16 mos; + __u8 mo; + __u32 namespace_id; + char *file; + __u32 data_len; + }; + + struct config cfg = { + .mos = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SHRT("mos", 's', &cfg.mos, mos), + OPT_BYTE("mo", 'm', &cfg.mo, mo), + OPT_FILE("data", 'd', &cfg.file, data), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_perror("get-namespace-id"); + return err; + } + } + + if (cfg.data_len) { + buf = nvme_alloc(cfg.data_len); + if (!buf) + return -ENOMEM; + } + + struct nvme_io_mgmt_recv_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .mos = cfg.mos, + .mo = cfg.mo, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + }; + + err = nvme_io_mgmt_recv(&args); + if (!err) { + printf("io-mgmt-recv: Success, mos:%u mo:%u nsid:%d\n", + cfg.mos, cfg.mo, cfg.namespace_id); + + if (cfg.file) { + dfd = open(cfg.file, O_WRONLY | O_CREAT, 0644); + if (dfd < 0) { + nvme_show_perror(cfg.file); + return -errno; + } + + err = write(dfd, buf, cfg.data_len); + if (err < 0) { + nvme_show_perror("write"); + return -errno; + } + } else { + d((unsigned char *)buf, cfg.data_len, 16, 1); + } + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_perror("io-mgmt-recv"); + } + + return err; +} + +static int get_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve desired number of bytes " + "from a given log on a specified device in either " + "hex-dump (default) or binary format"; + const char *log_id = "identifier of log to retrieve"; + const char *log_len = "how many bytes to retrieve"; + const char *aen = "result of the aen, use to override log id"; + const char *lpo = "log page offset specifies the location within a log page from where to start returning data"; + const char *lsi = "log specific identifier specifies an identifier that is required for a particular log page"; + const char *raw = "output in raw format"; + const char *offset_type = "offset type"; + const char *xfer_len = "read chunk size (default 4k)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ unsigned char *log = NULL; + int err; + + struct config { + __u32 namespace_id; + __u8 log_id; + __u32 log_len; + __u32 aen; + __u64 lpo; + __u8 lsp; + __u16 lsi; + bool rae; + __u8 uuid_index; + bool raw_binary; + __u8 csi; + bool ot; + __u32 xfer_len; + }; + + struct config cfg = { + .namespace_id = NVME_NSID_ALL, + .log_id = 0xff, + .log_len = 0, + .aen = 0, + .lpo = NVME_LOG_LPO_NONE, + .lsp = NVME_LOG_LSP_NONE, + .lsi = NVME_LOG_LSI_NONE, + .rae = false, + .uuid_index = NVME_UUID_NONE, + .raw_binary = false, + .csi = NVME_CSI_NVM, + .ot = false, + .xfer_len = 4096, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_BYTE("log-id", 'i', &cfg.log_id, log_id), + OPT_UINT("log-len", 'l', &cfg.log_len, log_len), + OPT_UINT("aen", 'a', &cfg.aen, aen), + OPT_SUFFIX("lpo", 'L', &cfg.lpo, lpo), + OPT_BYTE("lsp", 's', &cfg.lsp, lsp), + OPT_SHRT("lsi", 'S', &cfg.lsi, lsi), + OPT_FLAG("rae", 'r', &cfg.rae, rae), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw), + OPT_BYTE("csi", 'y', &cfg.csi, csi), + OPT_FLAG("ot", 'O', &cfg.ot, offset_type), + OPT_UINT("xfer-len", 'x', &cfg.xfer_len, xfer_len)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.aen) { + cfg.log_len = 4096; + cfg.log_id = (cfg.aen >> 16) & 0xff; + } + + if (!cfg.log_len || cfg.log_len & 0x3) { + nvme_show_error("non-zero or non-dw alignment log-len is required param"); + return -EINVAL; + } + + if (cfg.lsp > 127) { + nvme_show_error("invalid lsp param"); + return -EINVAL; + } + + if (cfg.uuid_index > 127) { + nvme_show_error("invalid uuid index param"); + return -EINVAL; + } + + if (cfg.xfer_len == 0 || cfg.xfer_len % 4096) { + nvme_show_error("xfer-len argument invalid. It needs to be multiple of 4k"); + return -EINVAL; + } + + log = nvme_alloc(cfg.log_len); + if (!log) + return -ENOMEM; + + struct nvme_get_log_args args = { + .args_size = sizeof(args), + .lid = cfg.log_id, + .nsid = cfg.namespace_id, + .lpo = cfg.lpo, + .lsp = cfg.lsp, + .lsi = cfg.lsi, + .rae = cfg.rae, + .uuidx = cfg.uuid_index, + .csi = cfg.csi, + .ot = cfg.ot, + .len = cfg.log_len, + .log = log, + .result = NULL, + }; + err = nvme_cli_get_log_page(dev, cfg.xfer_len, &args); + if (!err) { + if (!cfg.raw_binary) { + printf("Device:%s log-id:%d namespace-id:%#x\n", dev->name, cfg.log_id, + cfg.namespace_id); + d(log, cfg.log_len, 16, 1); + } else { + d_raw((unsigned char *)log, cfg.log_len); + } + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_error("log page: %s", nvme_strerror(errno)); + } + + return err; +} + +static int sanitize_log(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Retrieve sanitize log and show it."; + + _cleanup_free_ struct nvme_sanitize_log_page *sanitize_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + bool rae; + bool human_readable; + bool raw_binary; + }; + + struct config cfg = { + .rae = false, + .human_readable = false, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("rae", 'r', &cfg.rae, rae), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_log), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_log)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.human_readable) + flags |= VERBOSE; + + sanitize_log = nvme_alloc(sizeof(*sanitize_log)); + if (!sanitize_log) + return -ENOMEM; + + err = nvme_cli_get_log_sanitize(dev, cfg.rae, sanitize_log); + if (!err) + nvme_show_sanitize_log(sanitize_log, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("sanitize status log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_fid_support_effects_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve FID Support and Effects log and show it."; + + _cleanup_free_ struct nvme_fid_supported_effects_log *fid_support_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + bool human_readable; + }; + + struct config cfg = { + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_log)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.human_readable) + flags |= VERBOSE; + + fid_support_log = nvme_alloc(sizeof(*fid_support_log)); + if (!fid_support_log) + return -ENOMEM; + + err = nvme_cli_get_log_fid_supported_effects(dev, false, fid_support_log); + if (!err) + nvme_show_fid_support_effects_log(fid_support_log, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("fid support effects log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_mi_cmd_support_effects_log(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Retrieve NVMe-MI Command Support and Effects log and show it."; + + _cleanup_free_ struct nvme_mi_cmd_supported_effects_log *mi_cmd_support_log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + bool human_readable; + }; + + struct config cfg = { + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_log)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.human_readable) + flags |= VERBOSE; + + mi_cmd_support_log = nvme_alloc(sizeof(*mi_cmd_support_log)); + if (!mi_cmd_support_log) + return -ENOMEM; + + err = nvme_cli_get_log_mi_cmd_supported_effects(dev, false, mi_cmd_support_log); + if (!err) + nvme_show_mi_cmd_support_effects_log(mi_cmd_support_log, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("mi command support effects log: %s", nvme_strerror(errno)); + + return err; +} + +static int list_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Show controller list information for the subsystem the " + "given device is part of, or optionally controllers attached to a specific namespace."; + const char *controller = "controller to display"; + + _cleanup_free_ struct nvme_ctrl_list *cntlist = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 cntid; + __u32 namespace_id; + }; + + struct config cfg = { + .cntid = 0, + .namespace_id = NVME_NSID_NONE, + }; + + NVME_ARGS(opts, + OPT_SHRT("cntid", 'c', &cfg.cntid, controller), + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_optional)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + cntlist = nvme_alloc(sizeof(*cntlist)); + if (!cntlist) + return -ENOMEM; + + if (cfg.namespace_id == NVME_NSID_NONE) + err = nvme_cli_identify_ctrl_list(dev, cfg.cntid, cntlist); + else + err = nvme_cli_identify_nsid_ctrl_list(dev, cfg.namespace_id, + cfg.cntid, cntlist); + if (!err) + nvme_show_list_ctrl(cntlist, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("id controller list: %s", nvme_strerror(errno)); + + return err; +} + +static int list_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "For the specified controller handle, show the " + "namespace list in the associated NVMe subsystem, optionally starting with a given nsid."; + const char *namespace_id = "first nsid returned list should start from"; + const char *csi = "I/O command set identifier"; + const char *all = "show all namespaces in the subsystem, whether attached or inactive"; + + _cleanup_free_ struct nvme_ns_list *ns_list = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u32 namespace_id; + int csi; + bool all; + }; + + struct config cfg = { + .namespace_id = 1, + .csi = -1, + .all = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_INT("csi", 'y', &cfg.csi, csi), + OPT_FLAG("all", 'a', &cfg.all, all)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0 || (flags != JSON && flags != NORMAL)) { + nvme_show_error("Invalid output format"); + return -EINVAL; + } + + if (!cfg.namespace_id) { + nvme_show_error("invalid nsid parameter"); + return -EINVAL; + } + + ns_list = nvme_alloc(sizeof(*ns_list)); + if (!ns_list) + return -ENOMEM; + + struct nvme_identify_args args = { + .args_size = sizeof(args), + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .data = ns_list, + .nsid = cfg.namespace_id - 1. + }; + if (cfg.csi < 0) { + args.cns = cfg.all ? NVME_IDENTIFY_CNS_ALLOCATED_NS_LIST : + NVME_IDENTIFY_CNS_NS_ACTIVE_LIST; + } else { + args.cns = cfg.all ? NVME_IDENTIFY_CNS_CSI_ALLOCATED_NS_LIST : + NVME_IDENTIFY_CNS_CSI_NS_ACTIVE_LIST; + args.csi = cfg.csi; + } + + err = nvme_cli_identify(dev, &args); + if (!err) + nvme_show_list_ns(ns_list, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("id namespace list: %s", nvme_strerror(errno)); + + return err; +} + +static int id_ns_lba_format(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify Namespace command to the given " + "device, returns capability field properties of the specified " + "LBA Format index in various formats."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u16 lba_format_index; + __u8 uuid_index; + }; + + struct config cfg = { + .lba_format_index = 0, + .uuid_index = NVME_UUID_NONE, + }; + + NVME_ARGS(opts, + OPT_UINT("lba-format-index", 'i', &cfg.lba_format_index, lba_format_index), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_identify_ns_csi_user_data_format(dev_fd(dev), + cfg.lba_format_index, + cfg.uuid_index, NVME_CSI_NVM, ns); + if (!err) + nvme_show_id_ns(ns, 0, cfg.lba_format_index, true, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("identify namespace for specific LBA format"); + + return err; +} + +static int id_endurance_grp_list(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Show endurance group list information for the given endurance group id"; + const char *endurance_grp_id = "Endurance Group ID"; + + _cleanup_free_ struct nvme_id_endurance_group_list *endgrp_list = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u16 endgrp_id; + }; + + struct config cfg = { + .endgrp_id = 0, + }; + + NVME_ARGS(opts, + OPT_SHRT("endgrp-id", 'i', &cfg.endgrp_id, endurance_grp_id)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0 || (flags != JSON && flags != NORMAL)) { + nvme_show_error("invalid output format"); + return -EINVAL; + } + + endgrp_list = nvme_alloc(sizeof(*endgrp_list)); + if (!endgrp_list) + return -ENOMEM; + + err = nvme_identify_endurance_group_list(dev_fd(dev), cfg.endgrp_id, endgrp_list); + if (!err) + nvme_show_endurance_group_list(endgrp_list, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("Id endurance group list: %s", nvme_strerror(errno)); + + return err; +} + +static int delete_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Delete the given namespace by " + "sending a namespace management command to " + "the provided device. All controllers should be detached from " + "the namespace prior to namespace deletion. A namespace ID " + "becomes inactive when that namespace is detached or, if " + "the namespace is not already inactive, once deleted."; + const char *namespace_id = "namespace to delete"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u32 timeout; + }; + + struct config cfg = { + .namespace_id = 0, + .timeout = 120000, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_UINT("timeout", 't', &cfg.timeout, timeout)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + err = nvme_cli_ns_mgmt_delete(dev, cfg.namespace_id); + if (!err) + printf("%s: Success, deleted nsid:%d\n", cmd->name, cfg.namespace_id); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("delete namespace: %s", nvme_strerror(errno)); + + return err; +} + +static int nvme_attach_ns(int argc, char **argv, int attach, const char *desc, struct command *cmd) +{ + _cleanup_free_ struct nvme_ctrl_list *cntlist = NULL; + _cleanup_free_ __u16 *ctrlist = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err, num, i, list[2048]; + + const char *namespace_id = "namespace to attach"; + const char *cont = "optional comma-sep controller id list"; + + struct config { + __u32 namespace_id; + char *cntlist; + }; + + struct config cfg = { + .namespace_id = 0, + .cntlist = "", + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_LIST("controllers", 'c', &cfg.cntlist, cont)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + nvme_show_error("%s: namespace-id parameter required", cmd->name); + return -EINVAL; + } + + num = argconfig_parse_comma_sep_array(cfg.cntlist, list, 2047); + if (!num) + fprintf(stderr, "warning: empty controller-id list will result in no actual change in namespace attachment\n"); + + if (num == -1) { + nvme_show_error("%s: controller id list is malformed", cmd->name); + return -EINVAL; + } + + cntlist = nvme_alloc(sizeof(*cntlist)); + if (!cntlist) + return -ENOMEM; + + ctrlist = nvme_alloc(sizeof(*ctrlist) * 2048); + if (!ctrlist) + return -ENOMEM; + + for (i = 0; i < num; i++) + ctrlist[i] = (__u16)list[i]; + + nvme_init_ctrl_list(cntlist, num, ctrlist); + + if (attach) + err = nvme_cli_ns_attach_ctrls(dev, cfg.namespace_id, + cntlist); + else + err = nvme_cli_ns_detach_ctrls(dev, cfg.namespace_id, + cntlist); + + if (!err) + printf("%s: Success, nsid:%d\n", cmd->name, cfg.namespace_id); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror(attach ? "attach namespace" : "detach namespace"); + + return err; +} + +static int attach_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Attach the given namespace to the " + "given controller or comma-sep list of controllers. ID of the " + "given namespace becomes active upon attachment to a " + "controller. A namespace must be attached to a controller " + "before IO commands may be directed to that namespace."; + + return nvme_attach_ns(argc, argv, 1, desc, cmd); +} + +static int detach_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Detach the given namespace from the " + "given controller; de-activates the given namespace's ID. A " + "namespace must be attached to a controller before IO " + "commands may be directed to that namespace."; + + return nvme_attach_ns(argc, argv, 0, desc, cmd); +} + +static int parse_lba_num_si(struct nvme_dev *dev, const char *opt, + const char *val, __u8 flbas, __u64 *num, __u32 align) +{ + _cleanup_free_ struct nvme_ns_list *ns_list = NULL; + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + __u32 nsid = 1; + unsigned int remainder; + char *endptr; + int err = -EINVAL; + int i; + int lbas; + + struct nvme_identify_args args = { + .args_size = sizeof(args), + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .cns = NVME_IDENTIFY_CNS_NS_ACTIVE_LIST, + .nsid = nsid - 1. + }; + + if (!val) + return 0; + + if (*num) { + nvme_show_error( + "Invalid specification of both %s and its SI argument, please specify only one", + opt); + return err; + } + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err) { + if (err < 0) + nvme_show_error("identify controller: %s", nvme_strerror(errno)); + else + nvme_show_status(err); + return err; + } + + ns_list = nvme_alloc(sizeof(*ns_list)); + if (!ns_list) + return -ENOMEM; + args.data = ns_list; + + if ((ctrl->oacs & 0x8) >> 3) + nsid = NVME_NSID_ALL; + else { + err = nvme_cli_identify(dev, &args); + if (err) { + if (err < 0) + nvme_show_error("identify namespace list: %s", + nvme_strerror(errno)); + else + nvme_show_status(err); + return err; + } + nsid = le32_to_cpu(ns_list->ns[0]); + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, nsid, ns); + if (err) { + if (err < 0) + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + else + nvme_show_status(err); + return err; + } + + i = flbas & NVME_NS_FLBAS_LOWER_MASK; + lbas = (1 << ns->lbaf[i].ds) + ns->lbaf[i].ms; + + if (suffix_si_parse(val, &endptr, (uint64_t *)num)) { + nvme_show_error("Expected long suffixed integer argument for '%s-si' but got '%s'!", + opt, val); + return -errno; + } + + if (endptr[0]) { + remainder = *num % align; + if (remainder) + *num += align - remainder; + } + + if (endptr[0] != '\0') + *num /= lbas; + + return 0; +} + +static int create_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send a namespace management command " + "to the specified device to create a namespace with the given " + "parameters. The next available namespace ID is used for the " + "create operation. Note that create-ns does not attach the " + "namespace to a controller, the attach-ns command is needed."; + const char *nsze = "size of ns (NSZE)"; + const char *ncap = "capacity of ns (NCAP)"; + const char *flbas = + "Formatted LBA size (FLBAS), if entering this value ignore \'block-size\' field"; + const char *dps = "data protection settings (DPS)"; + const char *nmic = "multipath and sharing capabilities (NMIC)"; + const char *anagrpid = "ANA Group Identifier (ANAGRPID)"; + const char *nvmsetid = "NVM Set Identifier (NVMSETID)"; + const char *endgid = "Endurance Group Identifier (ENDGID)"; + const char *csi = "command set identifier (CSI)"; + const char *lbstm = "logical block storage tag mask (LBSTM)"; + const char *nphndls = "Number of Placement Handles (NPHNDLS)"; + const char *bs = "target block size, specify only if \'FLBAS\' value not entered"; + const char *nsze_si = "size of ns (NSZE) in standard SI units"; + const char *ncap_si = "capacity of ns (NCAP) in standard SI units"; + const char *azr = "Allocate ZRWA Resources (AZR) for Zoned Namespace Command Set"; + const char *rar = "Requested Active Resources (RAR) for Zoned Namespace Command Set"; + const char *ror = "Requested Open Resources (ROR) for Zoned Namespace Command Set"; + const char *rnumzrwa = + "Requested Number of ZRWA Resources (RNUMZRWA) for Zoned Namespace Command Set"; + const char *phndls = "Comma separated list of Placement Handle Associated RUH"; + + _cleanup_free_ struct nvme_ns_mgmt_host_sw_specified *data = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err = 0, i; + __u32 nsid; + uint16_t num_phandle; + uint16_t phndl[128] = { 0, }; + _cleanup_free_ struct nvme_id_ctrl *id = NULL; + _cleanup_free_ struct nvme_id_ns_granularity_list *gr_list = NULL; + __u32 align_nsze = 1 << 20; /* Default 1 MiB */ + __u32 align_ncap = align_nsze; + + struct config { + __u64 nsze; + __u64 ncap; + __u8 flbas; + __u8 dps; + __u8 nmic; + __u32 anagrpid; + __u16 nvmsetid; + __u16 endgid; + __u64 bs; + __u32 timeout; + __u8 csi; + __u64 lbstm; + __u16 nphndls; + char *nsze_si; + char *ncap_si; + bool azr; + __u32 rar; + __u32 ror; + __u32 rnumzrwa; + char *phndls; + }; + + struct config cfg = { + .nsze = 0, + .ncap = 0, + .flbas = 0xff, + .dps = 0, + .nmic = 0, + .anagrpid = 0, + .nvmsetid = 0, + .endgid = 0, + .bs = 0x00, + .timeout = 120000, + .csi = 0, + .lbstm = 0, + .nphndls = 0, + .nsze_si = NULL, + .ncap_si = NULL, + .azr = false, + .rar = 0, + .ror = 0, + .rnumzrwa = 0, + .phndls = "", + }; + + NVME_ARGS(opts, + OPT_SUFFIX("nsze", 's', &cfg.nsze, nsze), + OPT_SUFFIX("ncap", 'c', &cfg.ncap, ncap), + OPT_BYTE("flbas", 'f', &cfg.flbas, flbas), + OPT_BYTE("dps", 'd', &cfg.dps, dps), + OPT_BYTE("nmic", 'm', &cfg.nmic, nmic), + OPT_UINT("anagrp-id", 'a', &cfg.anagrpid, anagrpid), + OPT_UINT("nvmset-id", 'i', &cfg.nvmsetid, nvmsetid), + OPT_UINT("endg-id", 'e', &cfg.endgid, endgid), + OPT_SUFFIX("block-size", 'b', &cfg.bs, bs), + OPT_UINT("timeout", 't', &cfg.timeout, timeout), + OPT_BYTE("csi", 'y', &cfg.csi, csi), + OPT_SUFFIX("lbstm", 'l', &cfg.lbstm, lbstm), + OPT_SHRT("nphndls", 'n', &cfg.nphndls, nphndls), + OPT_STR("nsze-si", 'S', &cfg.nsze_si, nsze_si), + OPT_STR("ncap-si", 'C', &cfg.ncap_si, ncap_si), + OPT_FLAG("azr", 'z', &cfg.azr, azr), + OPT_UINT("rar", 'r', &cfg.rar, rar), + OPT_UINT("ror", 'O', &cfg.ror, ror), + OPT_UINT("rnumzrwa", 'u', &cfg.rnumzrwa, rnumzrwa), + OPT_LIST("phndls", 'p', &cfg.phndls, phndls)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.flbas != 0xff && cfg.bs != 0x00) { + nvme_show_error( + "Invalid specification of both FLBAS and Block Size, please specify only one"); + return -EINVAL; + } + if (cfg.bs) { + if ((cfg.bs & (~cfg.bs + 1)) != cfg.bs) { + nvme_show_error( + "Invalid value for block size (%"PRIu64"). Block size must be a power of two", + (uint64_t)cfg.bs); + return -EINVAL; + } + + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, NVME_NSID_ALL, ns); + if (err) { + if (err < 0) { + nvme_show_error("identify-namespace: %s", nvme_strerror(errno)); + } else { + fprintf(stderr, "identify failed\n"); + nvme_show_status(err); + } + return err; + } + for (i = 0; i <= ns->nlbaf; ++i) { + if ((1 << ns->lbaf[i].ds) == cfg.bs && ns->lbaf[i].ms == 0) { + cfg.flbas = i; + break; + } + } + + } + if (cfg.flbas == 0xff) { + fprintf(stderr, "FLBAS corresponding to block size %"PRIu64" not found\n", + (uint64_t)cfg.bs); + fprintf(stderr, "Please correct block size, or specify FLBAS directly\n"); + + return -EINVAL; + } + + id = nvme_alloc(sizeof(*id)); + if (!id) + return -ENOMEM; + + err = nvme_identify_ctrl(dev_fd(dev), id); + if (err) { + if (err < 0) { + nvme_show_error("identify-controller: %s", nvme_strerror(errno)); + } else { + fprintf(stderr, "identify controller failed\n"); + nvme_show_status(err); + } + return err; + } + + if (id->ctratt & NVME_CTRL_CTRATT_NAMESPACE_GRANULARITY) { + gr_list = nvme_alloc(sizeof(*gr_list)); + if (!gr_list) + return -ENOMEM; + + if (!nvme_identify_ns_granularity(dev_fd(dev), gr_list)) { + struct nvme_id_ns_granularity_desc *desc; + int index = cfg.flbas; + + /* FIXME: add a proper bitmask to libnvme */ + if (!(gr_list->attributes & 1)) { + /* Only the first descriptor is valid */ + index = 0; + } else if (index > gr_list->num_descriptors) { + /* + * The descriptor will contain only zeroes + * so we don't need to read it. + */ + goto parse_lba; + } + desc = &gr_list->entry[index]; + + if (desc->nszegran && desc->nszegran < align_nsze) + align_nsze = desc->nszegran; + if (desc->ncapgran && desc->ncapgran < align_ncap) + align_ncap = desc->ncapgran; + } + } + +parse_lba: + err = parse_lba_num_si(dev, "nsze", cfg.nsze_si, cfg.flbas, &cfg.nsze, align_nsze); + if (err) + return err; + + err = parse_lba_num_si(dev, "ncap", cfg.ncap_si, cfg.flbas, &cfg.ncap, align_ncap); + if (err) + return err; + + if (cfg.csi != NVME_CSI_ZNS && (cfg.azr || cfg.rar || cfg.ror || cfg.rnumzrwa)) { + nvme_show_error("Invalid ZNS argument is given (CSI:%#x)", cfg.csi); + return -EINVAL; + } + + data = nvme_alloc(sizeof(*data)); + if (!data) + return -ENOMEM; + + data->nsze = cpu_to_le64(cfg.nsze); + data->ncap = cpu_to_le64(cfg.ncap); + data->flbas = cfg.flbas; + data->dps = cfg.dps; + data->nmic = cfg.nmic; + data->anagrpid = cpu_to_le32(cfg.anagrpid); + data->nvmsetid = cpu_to_le16(cfg.nvmsetid); + data->endgid = cpu_to_le16(cfg.endgid); + data->lbstm = cpu_to_le64(cfg.lbstm); + data->zns.znsco = cfg.azr; + data->zns.rar = cpu_to_le32(cfg.rar); + data->zns.ror = cpu_to_le32(cfg.ror); + data->zns.rnumzrwa = cpu_to_le32(cfg.rnumzrwa); + data->nphndls = cpu_to_le16(cfg.nphndls); + + num_phandle = argconfig_parse_comma_sep_array_short(cfg.phndls, phndl, ARRAY_SIZE(phndl)); + if (cfg.nphndls != num_phandle) { + nvme_show_error("Invalid Placement handle list"); + return -EINVAL; + } + + for (i = 0; i < num_phandle; i++) + data->phndl[i] = cpu_to_le16(phndl[i]); + + err = nvme_cli_ns_mgmt_create(dev, data, &nsid, cfg.timeout, cfg.csi); + if (!err) + printf("%s: Success, created nsid:%d\n", cmd->name, nsid); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("create namespace: %s", nvme_strerror(errno)); + + return err; +} + +static bool nvme_match_device_filter(nvme_subsystem_t s, + nvme_ctrl_t c, nvme_ns_t ns, void *f_args) +{ + int ret, instance, nsid, s_num; + char *devname = f_args; + + if (!devname || !strlen(devname)) + return true; + + ret = sscanf(devname, "nvme%dn%d", &instance, &nsid); + if (ret != 2) + return true; + + if (s) { + ret = sscanf(nvme_subsystem_get_name(s), "nvme-subsys%d", + &s_num); + if (ret == 1 && s_num == instance) + return true; + } + if (c) { + s = nvme_ctrl_get_subsystem(c); + + ret = sscanf(nvme_subsystem_get_name(s), "nvme-subsys%d", + &s_num); + if (ret == 1 && s_num == instance) + return true; + } + if (ns) { + if (!strcmp(devname, nvme_ns_get_name(ns))) + return true; + } + + return false; +} + +static int list_subsys(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + nvme_root_t r = NULL; + enum nvme_print_flags flags; + const char *desc = "Retrieve information for subsystems"; + nvme_scan_filter_t filter = NULL; + char *devname; + int err; + int nsid = NVME_NSID_ALL; + + NVME_ARGS(opts); + + err = argconfig_parse(argc, argv, desc, opts); + if (err < 0) + goto ret; + + devname = NULL; + if (optind < argc) + devname = basename(argv[optind++]); + + err = validate_output_format(output_format_val, &flags); + if (err < 0 || (flags != JSON && flags != NORMAL)) { + nvme_show_error("Invalid output format"); + return -EINVAL; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + r = nvme_create_root(stderr, map_log_level(!!(flags & VERBOSE), false)); + if (!r) { + if (devname) + nvme_show_error("Failed to scan nvme subsystem for %s", devname); + else + nvme_show_error("Failed to scan nvme subsystem"); + err = -errno; + goto ret; + } + + if (devname) { + int subsys_num; + + if (sscanf(devname, "nvme%dn%d", &subsys_num, &nsid) != 2) { + nvme_show_error("Invalid device name %s", devname); + err = -EINVAL; + goto ret; + } + filter = nvme_match_device_filter; + } + + err = nvme_scan_topology(r, filter, (void *)devname); + if (err) { + nvme_show_error("Failed to scan topology: %s", nvme_strerror(errno)); + goto ret; + } + + nvme_show_subsystem_list(r, nsid != NVME_NSID_ALL, flags); + +ret: + if (r) + nvme_free_tree(r); + return err; +} + +static int list(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve basic information for all NVMe namespaces"; + enum nvme_print_flags flags; + nvme_root_t r; + int err = 0; + + NVME_ARGS(opts); + + err = argconfig_parse(argc, argv, desc, opts); + if (err < 0) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0 || (flags != JSON && flags != NORMAL)) { + nvme_show_error("Invalid output format"); + return -EINVAL; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + r = nvme_create_root(stderr, map_log_level(!!(flags & VERBOSE), false)); + if (!r) { + nvme_show_error("Failed to create topology root: %s", nvme_strerror(errno)); + return -errno; + } + err = nvme_scan_topology(r, NULL, NULL); + if (err < 0) { + nvme_show_error("Failed to scan topology: %s", nvme_strerror(errno)); + nvme_free_tree(r); + return err; + } + + nvme_show_list_items(r, flags); + nvme_free_tree(r); + + return err; +} + +int __id_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin, + void (*vs)(__u8 *vs, struct json_object *root)) +{ + const char *desc = "Send an Identify Controller command to " + "the given device and report information about the specified " + "controller in human-readable or " + "binary format. May also return vendor-specific " + "controller attributes in hex-dump if requested."; + const char *vendor_specific = "dump binary vendor field"; + + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + bool vendor_specific; + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .vendor_specific = false, + .raw_binary = false, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("vendor-specific", 'V', &cfg.vendor_specific, vendor_specific), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_identify), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_identify)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.vendor_specific) + flags |= VS; + + if (cfg.human_readable) + flags |= VERBOSE; + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (!err) + nvme_show_id_ctrl(ctrl, flags, vs); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify controller: %s", nvme_strerror(errno)); + + return err; +} + +static int id_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + return __id_ctrl(argc, argv, cmd, plugin, NULL); +} + +static int nvm_id_ctrl(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Send an Identify Controller NVM Command Set " + "command to the given device and report information about " + "the specified controller in various formats."; + + _cleanup_free_ struct nvme_id_ctrl_nvm *ctrl_nvm = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + ctrl_nvm = nvme_alloc(sizeof(*ctrl_nvm)); + if (!ctrl_nvm) + return -ENOMEM; + + err = nvme_nvm_identify_ctrl(dev_fd(dev), ctrl_nvm); + if (!err) + nvme_show_id_ctrl_nvm(ctrl_nvm, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("nvm identify controller: %s", nvme_strerror(errno)); + + return err; +} + +static int nvm_id_ns(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Send an Identify Namespace NVM Command Set " + "command to the given device and report information about " + "the specified namespace in various formats."; + + _cleanup_free_ struct nvme_nvm_id_ns *id_ns = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u32 namespace_id; + __u8 uuid_index; + }; + + struct config cfg = { + .namespace_id = 0, + .uuid_index = NVME_UUID_NONE, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_perror("get-namespace-id"); + return err; + } + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + if (err) { + nvme_show_status(err); + return err; + } + + id_ns = nvme_alloc(sizeof(*id_ns)); + if (!id_ns) + return -ENOMEM; + + err = nvme_identify_ns_csi(dev_fd(dev), cfg.namespace_id, + cfg.uuid_index, + NVME_CSI_NVM, id_ns); + if (!err) + nvme_show_nvm_id_ns(id_ns, cfg.namespace_id, ns, 0, false, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("nvm identify namespace"); + + return err; +} + +static int nvm_id_ns_lba_format(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an NVM Command Set specific Identify Namespace " + "command to the given device, returns capability field properties of " + "the specified LBA Format index in the specified namespace in various formats."; + + _cleanup_free_ struct nvme_nvm_id_ns *nvm_ns = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u16 lba_format_index; + __u8 uuid_index; + }; + + struct config cfg = { + .lba_format_index = 0, + .uuid_index = NVME_UUID_NONE, + }; + + NVME_ARGS(opts, + OPT_UINT("lba-format-index", 'i', &cfg.lba_format_index, lba_format_index), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, NVME_NSID_ALL, ns); + if (err) { + ns->nlbaf = NVME_FEAT_LBA_RANGE_MAX - 1; + ns->nulbaf = 0; + } + + nvm_ns = nvme_alloc(sizeof(*nvm_ns)); + if (!nvm_ns) + return -ENOMEM; + + err = nvme_identify_iocs_ns_csi_user_data_format(dev_fd(dev), cfg.lba_format_index, + cfg.uuid_index, NVME_CSI_NVM, nvm_ns); + if (!err) + nvme_show_nvm_id_ns(nvm_ns, 0, ns, cfg.lba_format_index, true, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_perror("NVM identify namespace for specific LBA format"); + + return err; +} + +static int ns_descs(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send Namespace Identification Descriptors command to the " + "given device, returns the namespace identification descriptors " + "of the specific namespace in either human-readable or binary format."; + const char *raw = "show descriptors in binary format"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *nsdescs = NULL;; + enum nvme_print_flags flags; + int err; + + struct config { + __u32 namespace_id; + bool raw_binary; + }; + + struct config cfg = { + .namespace_id = 0, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + nsdescs = nvme_alloc(sizeof(*nsdescs)); + if (!nsdescs) + return -ENOMEM; + + err = nvme_cli_identify_ns_descs(dev, cfg.namespace_id, nsdescs); + if (!err) + nvme_show_id_ns_descs(nsdescs, cfg.namespace_id, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + + return err; +} + +static int id_ns(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify Namespace command to the " + "given device, returns properties of the specified namespace " + "in either human-readable or binary format. Can also return " + "binary vendor-specific namespace attributes."; + const char *force = "Return this namespace, even if not attached (1.2 devices only)"; + const char *vendor_specific = "dump binary vendor fields"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u32 namespace_id; + bool force; + bool vendor_specific; + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .namespace_id = 0, + .force = false, + .vendor_specific = false, + .raw_binary = false, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_FLAG("force", 0, &cfg.force, force), + OPT_FLAG("vendor-specific", 'V', &cfg.vendor_specific, vendor_specific), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_identify), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_identify)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.vendor_specific) + flags |= VS; + + if (cfg.human_readable) + flags |= VERBOSE; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + if (cfg.force) + err = nvme_cli_identify_allocated_ns(dev, cfg.namespace_id, ns); + else + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + + if (!err) + nvme_show_id_ns(ns, cfg.namespace_id, 0, false, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + + return err; +} + +static int cmd_set_independent_id_ns(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Send an I/O Command Set Independent Identify " + "Namespace command to the given device, returns properties of the " + "specified namespace in human-readable or binary or json format."; + + _cleanup_free_ struct nvme_id_independent_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err = -1; + + struct config { + __u32 namespace_id; + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .namespace_id = 0, + .raw_binary = false, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_identify), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_identify)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.human_readable) + flags |= VERBOSE; + + if (!cfg.namespace_id) { + err = cfg.namespace_id = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_perror("get-namespace-id"); + return err; + } + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_identify_independent_identify_ns(dev_fd(dev), cfg.namespace_id, ns); + if (!err) + nvme_show_cmd_set_independent_id_ns(ns, cfg.namespace_id, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("I/O command set independent identify namespace: %s", + nvme_strerror(errno)); + + return err; +} + +static int id_ns_granularity(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify Namespace Granularity List command to the " + "given device, returns namespace granularity list " + "in either human-readable or binary format."; + + _cleanup_free_ struct nvme_id_ns_granularity_list *granularity_list = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + granularity_list = nvme_alloc(NVME_IDENTIFY_DATA_SIZE); + if (!granularity_list) + return -ENOMEM; + + err = nvme_identify_ns_granularity(dev_fd(dev), granularity_list); + if (!err) + nvme_show_id_ns_granularity_list(granularity_list, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify namespace granularity: %s", nvme_strerror(errno)); + + return err; +} + +static int id_nvmset(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify NVM Set List command to the " + "given device, returns entries for NVM Set identifiers greater " + "than or equal to the value specified CDW11.NVMSETID " + "in either binary format or json format"; + const char *nvmset_id = "NVM Set Identify value"; + + _cleanup_free_ struct nvme_id_nvmset_list *nvmset = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 nvmset_id; + }; + + struct config cfg = { + .nvmset_id = 0, + }; + + NVME_ARGS(opts, + OPT_SHRT("nvmset_id", 'i', &cfg.nvmset_id, nvmset_id)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + nvmset = nvme_alloc(sizeof(*nvmset)); + if (!nvmset) + return -ENOMEM; + + err = nvme_identify_nvmset_list(dev_fd(dev), cfg.nvmset_id, nvmset); + if (!err) + nvme_show_id_nvmset(nvmset, cfg.nvmset_id, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify nvm set list: %s", nvme_strerror(errno)); + + return err; +} + +static int id_uuid(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify UUID List command to the " + "given device, returns list of supported Vendor Specific UUIDs " + "in either human-readable or binary format."; + const char *raw = "show uuid in binary format"; + const char *human_readable = "show uuid in readable format"; + + _cleanup_free_ struct nvme_id_uuid_list *uuid_list = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + bool raw_binary; + bool human_readable; + }; + + struct config cfg = { + .raw_binary = false, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (cfg.human_readable) + flags |= VERBOSE; + + uuid_list = nvme_alloc(sizeof(*uuid_list)); + if (!uuid_list) + return -ENOMEM; + + err = nvme_identify_uuid(dev_fd(dev), uuid_list); + if (!err) + nvme_show_id_uuid_list(uuid_list, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify UUID list: %s", nvme_strerror(errno)); + + return err; +} + +static int id_iocs(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify Command Set Data command to " + "the given device, returns properties of the specified controller " + "in either human-readable or binary format."; + const char *controller_id = "identifier of desired controller"; + + _cleanup_free_ struct nvme_id_iocs *iocs = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u16 cntid; + }; + + struct config cfg = { + .cntid = 0xffff, + }; + + NVME_ARGS(opts, + OPT_SHRT("controller-id", 'c', &cfg.cntid, controller_id)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + iocs = nvme_alloc(sizeof(*iocs)); + if (!iocs) + return -ENOMEM; + + err = nvme_identify_iocs(dev_fd(dev), cfg.cntid, iocs); + if (!err) { + printf("NVMe Identify I/O Command Set:\n"); + nvme_show_id_iocs(iocs, 0); + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_error("NVMe Identify I/O Command Set: %s", nvme_strerror(errno)); + } + + return err; +} + +static int id_domain(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send an Identify Domain List command to the " + "given device, returns properties of the specified domain " + "in either normal|json|binary format."; + const char *domain_id = "identifier of desired domain"; + + _cleanup_free_ struct nvme_id_domain_list *id_domain = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 dom_id; + }; + + struct config cfg = { + .dom_id = 0xffff, + }; + + NVME_ARGS(opts, + OPT_SHRT("dom-id", 'd', &cfg.dom_id, domain_id)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + id_domain = nvme_alloc(sizeof(*id_domain)); + if (!id_domain) + return -ENOMEM; + + err = nvme_identify_domain_list(dev_fd(dev), cfg.dom_id, id_domain); + if (!err) { + printf("NVMe Identify command for Domain List is successful:\n"); + printf("NVMe Identify Domain List:\n"); + nvme_show_id_domain_list(id_domain, flags); + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_error("NVMe Identify Domain List: %s", nvme_strerror(errno)); + } + + return err; +} + +static int get_ns_id(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Get namespace ID of a the block device."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + unsigned int nsid; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = nvme_get_nsid(dev_fd(dev), &nsid); + if (err < 0) { + nvme_show_error("get namespace ID: %s", nvme_strerror(errno)); + return -errno; + } + + printf("%s: namespace-id:%d\n", dev->name, nsid); + + return 0; +} + +static int virtual_mgmt(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "The Virtualization Management command is supported by primary controllers " + "that support the Virtualization Enhancements capability. This command is used for:\n" + " 1. Modifying Flexible Resource allocation for the primary controller\n" + " 2. Assigning Flexible Resources for secondary controllers\n" + " 3. Setting the Online and Offline state for secondary controllers"; + const char *cntlid = "Controller Identifier(CNTLID)"; + const char *rt = "Resource Type(RT): [0,1]\n" + "0h: VQ Resources\n" + "1h: VI Resources"; + const char *act = "Action(ACT): [1,7,8,9]\n" + "1h: Primary Flexible\n" + "7h: Secondary Offline\n" + "8h: Secondary Assign\n" + "9h: Secondary Online"; + const char *nr = "Number of Controller Resources(NR)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u32 result; + int err; + + struct config { + __u16 cntlid; + __u8 rt; + __u8 act; + __u16 nr; + }; + + struct config cfg = { + .cntlid = 0, + .rt = 0, + .act = 0, + .nr = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("cntlid", 'c', &cfg.cntlid, cntlid), + OPT_BYTE("rt", 'r', &cfg.rt, rt), + OPT_BYTE("act", 'a', &cfg.act, act), + OPT_SHRT("nr", 'n', &cfg.nr, nr)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + struct nvme_virtual_mgmt_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .act = cfg.act, + .rt = cfg.rt, + .cntlid = cfg.cntlid, + .nr = cfg.nr, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_virtual_mgmt(&args); + if (!err) + printf("success, Number of Controller Resources Modified (NRM):%#x\n", result); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("virt-mgmt: %s", nvme_strerror(errno)); + + return err; +} + +static int primary_ctrl_caps(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *cntlid = "Controller ID"; + const char *desc = "Send an Identify Primary Controller Capabilities " + "command to the given device and report the information in a " + "decoded format (default), json or binary."; + + _cleanup_free_ struct nvme_primary_ctrl_cap *caps = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 cntlid; + bool human_readable; + }; + + struct config cfg = { + .cntlid = 0, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("cntlid", 'c', &cfg.cntlid, cntlid), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_info)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.human_readable) + flags |= VERBOSE; + + caps = nvme_alloc(sizeof(*caps)); + if (!caps) + return -ENOMEM; + + err = nvme_cli_identify_primary_ctrl(dev, cfg.cntlid, caps); + if (!err) + nvme_show_primary_ctrl_cap(caps, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("identify primary controller capabilities: %s", + nvme_strerror(errno)); + + return err; +} + +static int list_secondary_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "Show secondary controller list associated with the primary controller of the given device."; + const char *controller = "lowest controller identifier to display"; + const char *num_entries = "number of entries to retrieve"; + + _cleanup_free_ struct nvme_secondary_ctrl_list *sc_list = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u16 cntid; + __u32 num_entries; + }; + + struct config cfg = { + .cntid = 0, + .num_entries = ARRAY_SIZE(sc_list->sc_entry), + }; + + NVME_ARGS(opts, + OPT_SHRT("cntid", 'c', &cfg.cntid, controller), + OPT_UINT("num-entries", 'e', &cfg.num_entries, num_entries)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (!cfg.num_entries) { + nvme_show_error("non-zero num-entries is required param"); + return -EINVAL; + } + + sc_list = nvme_alloc(sizeof(*sc_list)); + if (!sc_list) + return -ENOMEM; + + err = nvme_cli_identify_secondary_ctrl_list(dev, cfg.cntid, sc_list); + if (!err) + nvme_show_list_secondary_ctrl(sc_list, cfg.num_entries, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("id secondary controller list: %s", nvme_strerror(errno)); + + return err; +} + +static void intr_self_test(int signum) +{ + printf("\nInterrupted device self-test operation by %s\n", strsignal(signum)); + + errno = EINTR; +} + +static int sleep_self_test(unsigned int seconds) +{ + errno = 0; + + sleep(seconds); + + if (errno) + return -errno; + + return 0; +} + +static int wait_self_test(struct nvme_dev *dev) +{ + static const char spin[] = {'-', '\\', '|', '/' }; + _cleanup_free_ struct nvme_self_test_log *log = NULL; + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + int err, i = 0, p = 0, cnt = 0; + int wthr; + + signal(SIGINT, intr_self_test); + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err) { + nvme_show_error("identify-ctrl: %s", nvme_strerror(errno)); + return err; + } + + wthr = le16_to_cpu(ctrl->edstt) * 60 / 100 + 60; + + printf("Waiting for self test completion...\n"); + while (true) { + printf("\r[%.*s%c%.*s] %3d%%", p / 2, dash, spin[i % 4], 49 - p / 2, space, p); + fflush(stdout); + err = sleep_self_test(1); + if (err) + return err; + + err = nvme_cli_get_log_device_self_test(dev, log); + if (err) { + printf("\n"); + if (err < 0) + perror("self test log\n"); + else + nvme_show_status(err); + return err; + } + + if (++cnt > wthr) { + nvme_show_error("no progress for %d seconds, stop waiting", wthr); + return -EIO; + } + + if (log->completion == 0 && p > 0) { + printf("\r[%.*s] %3d%%\n", 50, dash, 100); + break; + } + + if (log->completion < p) { + printf("\n"); + nvme_show_error("progress broken"); + return -EIO; + } else if (log->completion != p) { + p = log->completion; + cnt = 0; + } + + i++; + } + + return 0; +} + +static void abort_self_test(struct nvme_dev_self_test_args *args) +{ + int err; + + args->stc = NVME_DST_STC_ABORT; + + err = nvme_dev_self_test(args); + if (!err) + printf("Aborting device self-test operation\n"); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("Device self-test: %s", nvme_strerror(errno)); +} + +static int device_self_test(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Implementing the device self-test feature " + "which provides the necessary log to determine the state of the device"; + const char *namespace_id = + "Indicate the namespace in which the device self-test has to be carried out"; + const char *self_test_code = + "This field specifies the action taken by the device self-test command :\n" + "0h Show current state of device self-test operation\n" + "1h Start a short device self-test operation\n" + "2h Start a extended device self-test operation\n" + "eh Start a vendor specific device self-test operation\n" + "fh Abort the device self-test operation"; + const char *wait = "Wait for the test to finish"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u8 stc; + bool wait; + }; + + struct config cfg = { + .namespace_id = NVME_NSID_ALL, + .stc = NVME_ST_CODE_RESERVED, + .wait = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id), + OPT_BYTE("self-test-code", 's', &cfg.stc, self_test_code), + OPT_FLAG("wait", 'w', &cfg.wait, wait)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.stc == NVME_ST_CODE_RESERVED) { + _cleanup_free_ struct nvme_self_test_log *log = NULL; + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -ENOMEM; + + err = nvme_cli_get_log_device_self_test(dev, log); + if (err) { + printf("\n"); + if (err < 0) + perror("self test log\n"); + else + nvme_show_status(err); + } + + if (log->completion == 0) { + printf("no self test running\n"); + } else { + if (cfg.wait) + err = wait_self_test(dev); + else + printf("progress %d%%\n", log->completion); + } + + goto check_abort; + } + + struct nvme_dev_self_test_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .stc = cfg.stc, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_dev_self_test(&args); + if (!err) { + if (cfg.stc == NVME_ST_CODE_ABORT) + printf("Aborting device self-test operation\n"); + else if (cfg.stc == NVME_ST_CODE_EXTENDED) + printf("Extended Device self-test started\n"); + else if (cfg.stc == NVME_ST_CODE_SHORT) + printf("Short Device self-test started\n"); + + if (cfg.wait && cfg.stc != NVME_ST_CODE_ABORT) + err = wait_self_test(dev); + } else if (err > 0) { + nvme_show_status(err); + } else { + nvme_show_error("Device self-test: %s", nvme_strerror(errno)); + } + +check_abort: + if (err == -EINTR) + abort_self_test(&args); + + return err; +} + +static int self_test_log(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Retrieve the self-test log for the given device and given test " + "(or optionally a namespace) in either decoded format (default) or binary."; + const char *dst_entries = "Indicate how many DST log entries to be retrieved, " + "by default all the 20 entries will be retrieved"; + + _cleanup_free_ struct nvme_self_test_log *log = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err; + + struct config { + __u8 dst_entries; + }; + + struct config cfg = { + .dst_entries = NVME_LOG_ST_MAX_RESULTS, + }; + + NVME_ARGS(opts, + OPT_BYTE("dst-entries", 'e', &cfg.dst_entries, dst_entries)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + log = nvme_alloc(sizeof(*log)); + if (!log) + return -ENOMEM; + + err = nvme_cli_get_log_device_self_test(dev, log); + if (!err) + nvme_show_self_test_log(log, cfg.dst_entries, 0, dev->name, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("self test log: %s", nvme_strerror(errno)); + + return err; +} + +static int get_feature_id(struct nvme_dev *dev, struct feat_cfg *cfg, + void **buf, __u32 *result) +{ + if (!cfg->data_len) + nvme_get_feature_length(cfg->feature_id, cfg->cdw11, + &cfg->data_len); + + /* check for Extended Host Identifier */ + if (cfg->feature_id == NVME_FEAT_FID_HOST_ID && (cfg->cdw11 & 0x1)) + cfg->data_len = 16; + + if (cfg->feature_id == NVME_FEAT_FID_FDP_EVENTS) { + cfg->data_len = 0xff * sizeof(__u16); + cfg->cdw11 |= 0xff << 16; + } + + if (cfg->sel == 3) + cfg->data_len = 0; + + if (cfg->data_len) { + *buf = nvme_alloc(cfg->data_len - 1); + if (!*buf) + return -1; + } + + struct nvme_get_features_args args = { + .args_size = sizeof(args), + .fid = cfg->feature_id, + .nsid = cfg->namespace_id, + .sel = cfg->sel, + .cdw11 = cfg->cdw11, + .uuidx = cfg->uuid_index, + .data_len = cfg->data_len, + .data = *buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = result, + }; + return nvme_cli_get_features(dev, &args); +} + +static int filter_out_flags(int status) +{ + return status & (NVME_GET(NVME_SCT_MASK, SCT) | + NVME_GET(NVME_SC_MASK, SC)); +} + +static void get_feature_id_print(struct feat_cfg cfg, int err, __u32 result, + void *buf) +{ + int status = filter_out_flags(err); + enum nvme_status_type type = NVME_STATUS_TYPE_NVME; + + if (!err) { + if (!cfg.raw_binary || !buf) { + nvme_feature_show(cfg.feature_id, cfg.sel, result); + if (cfg.sel == 3) + nvme_show_select_result(cfg.feature_id, result); + else if (cfg.human_readable) + nvme_feature_show_fields(cfg.feature_id, result, + buf); + else if (buf) + d(buf, cfg.data_len, 16, 1); + } else if (buf) { + d_raw(buf, cfg.data_len); + } + } else if (err > 0) { + if (!nvme_status_equals(status, type, NVME_SC_INVALID_FIELD) && + !nvme_status_equals(status, type, NVME_SC_INVALID_NS)) + nvme_show_status(err); + } else { + nvme_show_error("get-feature: %s", nvme_strerror(errno)); + } +} + +static int get_feature_id_changed(struct nvme_dev *dev, struct feat_cfg cfg, + bool changed) +{ + int err; + int err_def = 0; + __u32 result; + __u32 result_def; + void *buf = NULL; + void *buf_def = NULL; + + if (changed) + cfg.sel = 0; + + err = get_feature_id(dev, &cfg, &buf, &result); + + if (!err && changed) { + cfg.sel = 1; + err_def = get_feature_id(dev, &cfg, &buf_def, &result_def); + } + + if (changed) + cfg.sel = 8; + + if (err || !changed || err_def || result != result_def || + (buf && buf_def && !strcmp(buf, buf_def))) + get_feature_id_print(cfg, err, result, buf); + + free(buf); + free(buf_def); + + return err; +} + +static int get_feature_ids(struct nvme_dev *dev, struct feat_cfg cfg) +{ + int err = 0; + int i; + int feat_max = 0x100; + int feat_num = 0; + bool changed = false; + int status = 0; + enum nvme_status_type type = NVME_STATUS_TYPE_NVME; + + if (cfg.sel == 8) + changed = true; + + if (cfg.feature_id) + feat_max = cfg.feature_id + 1; + + for (i = cfg.feature_id; i < feat_max; i++, feat_num++) { + cfg.feature_id = i; + err = get_feature_id_changed(dev, cfg, changed); + if (!err) + continue; + status = filter_out_flags(err); + if (nvme_status_equals(status, type, NVME_SC_INVALID_FIELD)) + continue; + if (!nvme_status_equals(status, type, NVME_SC_INVALID_NS)) + break; + nvme_show_error_status(err, "get-feature:%#0*x (%s)", cfg.feature_id ? 4 : 2, + cfg.feature_id, nvme_feature_to_string(cfg.feature_id)); + } + + if (feat_num == 1 && nvme_status_equals(status, type, NVME_SC_INVALID_FIELD)) + nvme_show_status(err); + + return err; +} + +static int get_feature(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Read operating parameters of the " + "specified controller. Operating parameters are grouped " + "and identified by Feature Identifiers; each Feature " + "Identifier contains one or more attributes that may affect " + "behavior of the feature. Each Feature has three possible " + "settings: default, saveable, and current. If a Feature is " + "saveable, it may be modified by set-feature. Default values " + "are vendor-specific and not changeable. Use set-feature to " + "change saveable Features."; + const char *raw = "show feature in binary format"; + const char *feature_id = "feature identifier"; + const char *sel = "[0-3,8]: current/default/saved/supported/changed"; + const char *cdw11 = "feature specific dword 11"; + const char *human_readable = "show feature in readable format"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct feat_cfg cfg = { + .feature_id = 0, + .namespace_id = 0, + .sel = 0, + .data_len = 0, + .raw_binary = false, + .cdw11 = 0, + .uuid_index = 0, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_BYTE("feature-id", 'f', &cfg.feature_id, feature_id), + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_BYTE("sel", 's', &cfg.sel, sel), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw), + OPT_UINT("cdw11", 'c', &cfg.cdw11, cdw11), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index_specify), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!argconfig_parse_seen(opts, "namespace-id")) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + if (errno != ENOTTY) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + cfg.namespace_id = NVME_NSID_ALL; + } + } + + if (cfg.sel > 8) { + nvme_show_error("invalid 'select' param:%d", cfg.sel); + return -EINVAL; + } + + if (cfg.uuid_index > 127) { + nvme_show_error("invalid uuid index param: %u", cfg.uuid_index); + return -1; + } + + nvme_show_init(); + + err = get_feature_ids(dev, cfg); + + nvme_show_finish(); + + return err; +} + +/* + * Transfers one chunk of firmware to the device, and decodes & reports any + * errors. Returns -1 on (fatal) error; signifying that the transfer should + * be aborted. + */ +static int fw_download_single(struct nvme_dev *dev, void *fw_buf, + unsigned int fw_len, uint32_t offset, + uint32_t len, bool progress, bool ignore_ovr) +{ + const unsigned int max_retries = 3; + bool retryable, ovr; + int err, try; + + if (progress) { + printf("Firmware download: transferring 0x%08x/0x%08x bytes: %03d%%\r", + offset, fw_len, (int)(100 * offset / fw_len)); + } + + struct nvme_fw_download_args args = { + .args_size = sizeof(args), + .offset = offset, + .data_len = len, + .data = fw_buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + + for (try = 0; try < max_retries; try++) { + if (try > 0) { + fprintf(stderr, "retrying offset %x (%u/%u)\n", + offset, try, max_retries); + } + + err = nvme_cli_fw_download(dev, &args); + if (!err) + return 0; + + /* + * don't retry if the NVMe-type error indicates Do Not Resend. + */ + retryable = !((err > 0) && + (nvme_status_get_type(err) == NVME_STATUS_TYPE_NVME) && + (nvme_status_get_value(err) & NVME_SC_DNR)); + + /* + * detect overwrite errors, which are handled differently + * depending on ignore_ovr + */ + ovr = (err > 0) && + (nvme_status_get_type(err) == NVME_STATUS_TYPE_NVME) && + (NVME_GET(err, SCT) == NVME_SCT_CMD_SPECIFIC) && + (NVME_GET(err, SC) == NVME_SC_OVERLAPPING_RANGE); + + if (ovr && ignore_ovr) + return 0; + + /* + * if we're printing progress, we'll need a newline to separate + * error output from the progress data (which doesn't have a + * \n), and flush before we write to stderr. + */ + if (progress) { + printf("\n"); + fflush(stdout); + } + + fprintf(stderr, "fw-download: error on offset 0x%08x/0x%08x\n", + offset, fw_len); + + if (err < 0) { + fprintf(stderr, "fw-download: %s\n", nvme_strerror(errno)); + } else { + nvme_show_status(err); + if (ovr) { + /* + * non-ignored ovr error: print a little extra info + * about recovering + */ + fprintf(stderr, + "Use --ignore-ovr to ignore overwrite errors\n"); + + /* + * We'll just be attempting more overwrites if + * we retry. DNR will likely be set, but force + * an exit anyway. + */ + retryable = false; + } + } + + if (!retryable) + break; + } + + return -1; +} + +static int fw_download(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Copy all or part of a firmware image to " + "a controller for future update. Optionally, specify how " + "many KiB of the firmware to transfer at once. The offset will " + "start at 0 and automatically adjust based on xfer size " + "unless fw is split across multiple files. May be submitted " + "while outstanding commands exist on the Admin and IO " + "Submission Queues. Activate downloaded firmware with " + "fw-activate, and then reset the device to apply the downloaded firmware."; + const char *fw = "firmware file (required)"; + const char *xfer = "transfer chunksize limit"; + const char *offset = "starting dword offset, default 0"; + const char *progress = "display firmware transfer progress"; + const char *ignore_ovr = "ignore overwrite errors"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_huge_ struct nvme_mem_huge mh = { 0, }; + _cleanup_file_ int fw_fd = -1; + unsigned int fw_size, pos; + int err; + struct stat sb; + void *fw_buf; + struct nvme_id_ctrl ctrl; + + struct config { + char *fw; + __u32 xfer; + __u32 offset; + bool progress; + bool ignore_ovr; + }; + + struct config cfg = { + .fw = "", + .xfer = 4096, + .offset = 0, + .progress = false, + .ignore_ovr = false, + }; + + NVME_ARGS(opts, + OPT_FILE("fw", 'f', &cfg.fw, fw), + OPT_UINT("xfer", 'x', &cfg.xfer, xfer), + OPT_UINT("offset", 'O', &cfg.offset, offset), + OPT_FLAG("progress", 'p', &cfg.progress, progress), + OPT_FLAG("ignore-ovr", 'i', &cfg.ignore_ovr, ignore_ovr)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + fw_fd = open(cfg.fw, O_RDONLY); + cfg.offset <<= 2; + if (fw_fd < 0) { + nvme_show_error("Failed to open firmware file %s: %s", cfg.fw, strerror(errno)); + return -EINVAL; + } + + err = fstat(fw_fd, &sb); + if (err < 0) { + nvme_show_perror("fstat"); + return err; + } + + fw_size = sb.st_size; + if ((fw_size & 0x3) || (fw_size == 0)) { + nvme_show_error("Invalid size:%d for f/w image", fw_size); + return -EINVAL; + } + + if (cfg.xfer == 0) { + err = nvme_cli_identify_ctrl(dev, &ctrl); + if (err) { + nvme_show_error("identify-ctrl: %s", nvme_strerror(errno)); + return err; + } + if (ctrl.fwug == 0 || ctrl.fwug == 0xff) + cfg.xfer = 4096; + else + cfg.xfer = ctrl.fwug * 4096; + } else if (cfg.xfer % 4096) + cfg.xfer = 4096; + + fw_buf = nvme_alloc_huge(fw_size, &mh); + if (!fw_buf) + return -ENOMEM; + + if (read(fw_fd, fw_buf, fw_size) != ((ssize_t)(fw_size))) { + err = -errno; + nvme_show_error("read :%s :%s", cfg.fw, strerror(errno)); + return err; + } + + for (pos = 0; pos < fw_size; pos += cfg.xfer) { + cfg.xfer = min(cfg.xfer, fw_size - pos); + + err = fw_download_single(dev, fw_buf + pos, fw_size, + cfg.offset + pos, cfg.xfer, + cfg.progress, cfg.ignore_ovr); + if (err) + break; + } + + if (!err) { + /* end the progress output */ + if (cfg.progress) + printf("\n"); + printf("Firmware download success\n"); + } + + return err; +} + +static char *nvme_fw_status_reset_type(__u16 status) +{ + switch (status & 0x7ff) { + case NVME_SC_FW_NEEDS_CONV_RESET: + return "conventional"; + case NVME_SC_FW_NEEDS_SUBSYS_RESET: + return "subsystem"; + case NVME_SC_FW_NEEDS_RESET: + return "any controller"; + default: + return "unknown"; + } +} + +static bool fw_commit_support_mud(struct nvme_dev *dev) +{ + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + int err; + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return false; + + err = nvme_cli_identify_ctrl(dev, ctrl); + + if (err) + nvme_show_error("identify-ctrl: %s", nvme_strerror(errno)); + else if (ctrl->frmw >> 5 & 0x1) + return true; + + return false; +} + +static void fw_commit_print_mud(struct nvme_dev *dev, __u32 result) +{ + if (!fw_commit_support_mud(dev)) + return; + + printf("Multiple Update Detected (MUD) Value: %u\n", result); + + if (result & 0x1) + printf("Detected an overlapping firmware/boot partition image update command\n" + "sequence due to processing a command from a Management Endpoint"); + + if (result >> 1 & 0x1) + printf("Detected an overlapping firmware/boot partition image update command\n" + "sequence due to processing a command from an Admin SQ on a controller"); +} + +static int fw_commit(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Verify downloaded firmware image and " + "commit to specific firmware slot. Device is not automatically " + "reset following firmware activation. A reset may be issued " + "with an 'echo 1 > /sys/class/nvme/nvmeX/reset_controller'. " + "Ensure nvmeX is the device you just activated before reset."; + const char *slot = "[0-7]: firmware slot for commit action"; + const char *action = "[0-7]: commit action"; + const char *bpid = "[0,1]: boot partition identifier, if applicable (default: 0)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u32 result; + int err; + + struct config { + __u8 slot; + __u8 action; + __u8 bpid; + }; + + struct config cfg = { + .slot = 0, + .action = 0, + .bpid = 0, + }; + + NVME_ARGS(opts, + OPT_BYTE("slot", 's', &cfg.slot, slot), + OPT_BYTE("action", 'a', &cfg.action, action), + OPT_BYTE("bpid", 'b', &cfg.bpid, bpid)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.slot > 7) { + nvme_show_error("invalid slot:%d", cfg.slot); + return -EINVAL; + } + if (cfg.action > 7 || cfg.action == 4 || cfg.action == 5) { + nvme_show_error("invalid action:%d", cfg.action); + return -EINVAL; + } + if (cfg.bpid > 1) { + nvme_show_error("invalid boot partition id:%d", cfg.bpid); + return -EINVAL; + } + + struct nvme_fw_commit_args args = { + .args_size = sizeof(args), + .slot = cfg.slot, + .action = cfg.action, + .bpid = cfg.bpid, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_cli_fw_commit(dev, &args); + + if (err < 0) { + nvme_show_error("fw-commit: %s", nvme_strerror(errno)); + } else if (err != 0) { + __u32 val = nvme_status_get_value(err); + int type = nvme_status_get_type(err); + + if (type == NVME_STATUS_TYPE_NVME) { + switch (val & 0x7ff) { + case NVME_SC_FW_NEEDS_CONV_RESET: + case NVME_SC_FW_NEEDS_SUBSYS_RESET: + case NVME_SC_FW_NEEDS_RESET: + printf("Success activating firmware action:%d slot:%d", + cfg.action, cfg.slot); + if (cfg.action == 6 || cfg.action == 7) + printf(" bpid:%d", cfg.bpid); + printf(", but firmware requires %s reset\n", + nvme_fw_status_reset_type(val)); + break; + default: + nvme_show_status(err); + break; + } + } else { + nvme_show_status(err); + } + } else { + printf("Success committing firmware action:%d slot:%d", + cfg.action, cfg.slot); + if (cfg.action == 6 || cfg.action == 7) + printf(" bpid:%d", cfg.bpid); + printf("\n"); + fw_commit_print_mud(dev, result); + } + + return err; +} + +static int subsystem_reset(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Resets the NVMe subsystem"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = nvme_subsystem_reset(dev_fd(dev)); + if (err < 0) { + if (errno == ENOTTY) + nvme_show_error("Subsystem-reset: NVM Subsystem Reset not supported."); + else + nvme_show_error("Subsystem-reset: %s", nvme_strerror(errno)); + } + + return err; +} + +static int reset(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Resets the NVMe controller\n"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = nvme_ctrl_reset(dev_fd(dev)); + if (err < 0) + nvme_show_error("Reset: %s", nvme_strerror(errno)); + + return err; +} + +static int ns_rescan(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Rescans the NVMe namespaces\n"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + NVME_ARGS(opts); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = nvme_ns_rescan(dev_fd(dev)); + if (err < 0) + nvme_show_error("Namespace Rescan"); + + return err; +} + +static int sanitize_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send a sanitize command."; + const char *no_dealloc_desc = "No deallocate after sanitize."; + const char *oipbp_desc = "Overwrite invert pattern between passes."; + const char *owpass_desc = "Overwrite pass count."; + const char *ause_desc = "Allow unrestricted sanitize exit."; + const char *sanact_desc = "Sanitize action: 1 = Exit failure mode, 2 = Start block erase, 3 = Start overwrite, 4 = Start crypto erase"; + const char *ovrpat_desc = "Overwrite pattern."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + bool no_dealloc; + bool oipbp; + __u8 owpass; + bool ause; + __u8 sanact; + __u32 ovrpat; + }; + + struct config cfg = { + .no_dealloc = false, + .oipbp = false, + .owpass = 0, + .ause = false, + .sanact = 0, + .ovrpat = 0, + }; + + OPT_VALS(sanact) = { + VAL_BYTE("exit-failure", NVME_SANITIZE_SANACT_EXIT_FAILURE), + VAL_BYTE("start-block-erase", NVME_SANITIZE_SANACT_START_BLOCK_ERASE), + VAL_BYTE("start-overwrite", NVME_SANITIZE_SANACT_START_OVERWRITE), + VAL_BYTE("start-crypto-erase", NVME_SANITIZE_SANACT_START_CRYPTO_ERASE), + VAL_END() + }; + + NVME_ARGS(opts, + OPT_FLAG("no-dealloc", 'd', &cfg.no_dealloc, no_dealloc_desc), + OPT_FLAG("oipbp", 'i', &cfg.oipbp, oipbp_desc), + OPT_BYTE("owpass", 'n', &cfg.owpass, owpass_desc), + OPT_FLAG("ause", 'u', &cfg.ause, ause_desc), + OPT_BYTE("sanact", 'a', &cfg.sanact, sanact_desc, sanact), + OPT_UINT("ovrpat", 'p', &cfg.ovrpat, ovrpat_desc)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + switch (cfg.sanact) { + case NVME_SANITIZE_SANACT_EXIT_FAILURE: + case NVME_SANITIZE_SANACT_START_BLOCK_ERASE: + case NVME_SANITIZE_SANACT_START_OVERWRITE: + case NVME_SANITIZE_SANACT_START_CRYPTO_ERASE: + break; + default: + nvme_show_error("Invalid Sanitize Action"); + return -EINVAL; + } + + if (cfg.sanact == NVME_SANITIZE_SANACT_EXIT_FAILURE) { + if (cfg.ause || cfg.no_dealloc) { + nvme_show_error("SANACT is Exit Failure Mode"); + return -EINVAL; + } + } + + if (cfg.sanact == NVME_SANITIZE_SANACT_START_OVERWRITE) { + if (cfg.owpass > 15) { + nvme_show_error("OWPASS out of range [0-15]"); + return -EINVAL; + } + } else { + if (cfg.owpass || cfg.oipbp || cfg.ovrpat) { + nvme_show_error("SANACT is not Overwrite"); + return -EINVAL; + } + } + + struct nvme_sanitize_nvm_args args = { + .args_size = sizeof(args), + .sanact = cfg.sanact, + .ause = cfg.ause, + .owpass = cfg.owpass, + .oipbp = cfg.oipbp, + .nodas = cfg.no_dealloc, + .ovrpat = cfg.ovrpat, + .result = NULL, + }; + err = nvme_cli_sanitize_nvm(dev, &args); + if (err < 0) + nvme_show_error("sanitize: %s", nvme_strerror(errno)); + else if (err > 0) + nvme_show_status(err); + + return err; +} + +static int nvme_get_properties(int fd, void **pbar) +{ + int offset, err, size = getpagesize(); + __u64 value; + void *bar = malloc(size); + + if (!bar) { + nvme_show_error("malloc: %s", strerror(errno)); + return -1; + } + + memset(bar, 0xff, size); + for (offset = NVME_REG_CAP; offset <= NVME_REG_CMBSZ;) { + struct nvme_get_property_args args = { + .args_size = sizeof(args), + .fd = fd, + .offset = offset, + .value = &value, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + }; + + err = nvme_get_property(&args); + if (nvme_status_equals(err, NVME_STATUS_TYPE_NVME, NVME_SC_INVALID_FIELD)) { + err = 0; + value = -1; + } else if (err) { + nvme_show_error("get-property: %s", nvme_strerror(errno)); + break; + } + if (nvme_is_64bit_reg(offset)) { + *(uint64_t *)(bar + offset) = value; + offset += 8; + } else { + *(uint32_t *)(bar + offset) = value; + offset += 4; + } + } + + if (err) + free(bar); + else + *pbar = bar; + + return err; +} + +static void *mmap_registers(nvme_root_t r, struct nvme_dev *dev) +{ + nvme_ctrl_t c = NULL; + nvme_ns_t n = NULL; + + char path[512]; + void *membase; + int fd; + + c = nvme_scan_ctrl(r, dev->name); + if (c) { + snprintf(path, sizeof(path), "%s/device/resource0", + nvme_ctrl_get_sysfs_dir(c)); + nvme_free_ctrl(c); + } else { + n = nvme_scan_namespace(dev->name); + if (!n) { + nvme_show_error("Unable to find %s", dev->name); + return NULL; + } + snprintf(path, sizeof(path), "%s/device/device/resource0", + nvme_ns_get_sysfs_dir(n)); + nvme_free_ns(n); + } + + fd = open(path, O_RDONLY); + if (fd < 0) { + if (map_log_level(0, false) >= LOG_DEBUG) + nvme_show_error("%s did not find a pci resource, open failed %s", + dev->name, strerror(errno)); + return NULL; + } + + membase = mmap(NULL, getpagesize(), PROT_READ, MAP_SHARED, fd, 0); + if (membase == MAP_FAILED) { + if (map_log_level(0, false) >= LOG_DEBUG) { + fprintf(stderr, "%s failed to map. ", dev->name); + fprintf(stderr, "Did your kernel enable CONFIG_IO_STRICT_DEVMEM?\n"); + } + membase = NULL; + } + + close(fd); + return membase; +} + +static int show_registers(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Reads and shows the defined NVMe controller registers\n" + "in binary or human-readable format"; + const char *human_readable = + "show info in readable format in case of output_format == normal"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + bool fabrics = false; + nvme_root_t r; + void *bar; + int err; + + struct config { + bool human_readable; + }; + + struct config cfg = { + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + r = nvme_scan(NULL); + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + goto free_tree; + } + + if (cfg.human_readable) + flags |= VERBOSE; + + bar = mmap_registers(r, dev); + if (!bar) { + err = nvme_get_properties(dev_fd(dev), &bar); + if (err) + goto free_tree; + fabrics = true; + } + + nvme_show_ctrl_registers(bar, fabrics, flags); + if (fabrics) + free(bar); + else + munmap(bar, getpagesize()); +free_tree: + nvme_free_tree(r); + return err; +} + +static int get_property(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Reads and shows the defined NVMe controller property\n" + "for NVMe over Fabric. Property offset must be one of:\n" + "CAP=0x0, VS=0x8, CC=0x14, CSTS=0x1c, NSSR=0x20"; + const char *offset = "offset of the requested property"; + const char *human_readable = "show property in readable format"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u64 value; + int err; + + struct config { + int offset; + bool human_readable; + }; + + struct config cfg = { + .offset = -1, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("offset", 'O', &cfg.offset, offset), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.offset == -1) { + nvme_show_error("offset required param"); + return -EINVAL; + } + + struct nvme_get_property_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .offset = cfg.offset, + .value = &value, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + }; + err = nvme_get_property(&args); + if (err < 0) + nvme_show_error("get-property: %s", nvme_strerror(errno)); + else if (!err) + nvme_show_single_property(cfg.offset, value, cfg.human_readable); + else if (err > 0) + nvme_show_status(err); + + return err; +} + +static int set_property(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "Writes and shows the defined NVMe controller property for NVMe over Fabric"; + const char *offset = "the offset of the property"; + const char *value = "the value of the property to be set"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + int offset; + int value; + }; + + struct config cfg = { + .offset = -1, + .value = -1, + }; + + NVME_ARGS(opts, + OPT_UINT("offset", 'O', &cfg.offset, offset), + OPT_UINT("value", 'V', &cfg.value, value)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.offset == -1) { + nvme_show_error("offset required param"); + return -EINVAL; + } + if (cfg.value == -1) { + nvme_show_error("value required param"); + return -EINVAL; + } + + struct nvme_set_property_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .offset = cfg.offset, + .value = cfg.value, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_set_property(&args); + if (err < 0) + nvme_show_error("set-property: %s", nvme_strerror(errno)); + else if (!err) + printf("set-property: %02x (%s), value: %#08x\n", cfg.offset, + nvme_register_to_string(cfg.offset), cfg.value); + else if (err > 0) + nvme_show_status(err); + + return err; +} + +static int format_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Re-format a specified namespace on the\n" + "given device. Can erase all data in namespace (user\n" + "data erase) or delete data encryption key if specified.\n" + "Can also be used to change LBAF to change the namespaces reported physical block format."; + const char *lbaf = "LBA format to apply (required)"; + const char *ses = "[0-2]: secure erase"; + const char *pil = "[0-1]: protection info location last/first 8 bytes of metadata"; + const char *pi = "[0-3]: protection info off/Type 1/Type 2/Type 3"; + const char *ms = "[0-1]: extended format off/on"; + const char *reset = "Automatically reset the controller after successful format"; + const char *bs = "target block size"; + const char *force = "The \"I know what I'm doing\" flag, skip confirmation before sending command"; + + _cleanup_free_ struct nvme_id_ctrl *ctrl = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u8 prev_lbaf = 0; + int block_size; + int err, i; + + struct config { + __u32 namespace_id; + __u32 timeout; + __u8 lbaf; + __u8 ses; + __u8 pi; + __u8 pil; + __u8 ms; + bool reset; + bool force; + __u64 bs; + }; + + struct config cfg = { + .namespace_id = 0, + .timeout = 600000, + .lbaf = 0xff, + .ses = 0, + .pi = 0, + .pil = 0, + .ms = 0, + .reset = false, + .force = false, + .bs = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_UINT("timeout", 't', &cfg.timeout, timeout), + OPT_BYTE("lbaf", 'l', &cfg.lbaf, lbaf), + OPT_BYTE("ses", 's', &cfg.ses, ses), + OPT_BYTE("pi", 'i', &cfg.pi, pi), + OPT_BYTE("pil", 'p', &cfg.pil, pil), + OPT_BYTE("ms", 'm', &cfg.ms, ms), + OPT_FLAG("reset", 'r', &cfg.reset, reset), + OPT_FLAG("force", 0, &cfg.force, force), + OPT_SUFFIX("block-size", 'b', &cfg.bs, bs)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + + err = open_exclusive(&dev, argc, argv, cfg.force); + if (err) { + if (errno == EBUSY) { + fprintf(stderr, "Failed to open %s.\n", basename(argv[optind])); + fprintf(stderr, "Namespace is currently busy.\n"); + if (!cfg.force) + fprintf(stderr, "Use the force [--force] option to ignore that.\n"); + } else { + argconfig_print_help(desc, opts); + } + return err; + } + + if (cfg.lbaf != 0xff && cfg.bs != 0) { + nvme_show_error( + "Invalid specification of both LBAF and Block Size, please specify only one"); + return -EINVAL; + } + if (cfg.bs) { + if ((cfg.bs & (~cfg.bs + 1)) != cfg.bs) { + nvme_show_error( + "Invalid value for block size (%"PRIu64"), must be a power of two", + (uint64_t) cfg.bs); + return -EINVAL; + } + } + + ctrl = nvme_alloc(sizeof(*ctrl)); + if (!ctrl) + return -ENOMEM; + + err = nvme_cli_identify_ctrl(dev, ctrl); + if (err) { + nvme_show_error("identify-ctrl: %s", nvme_strerror(errno)); + return -errno; + } + + if ((ctrl->fna & 1) == 1) { + /* + * FNA bit 0 set to 1: all namespaces ... shall be configured with the same + * attributes and a format (excluding secure erase) of any namespace results in a + * format of all namespaces. + */ + cfg.namespace_id = NVME_NSID_ALL; + } else if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return -errno; + } + } + + if (cfg.namespace_id == 0) { + nvme_show_error( + "Invalid namespace ID, specify a namespace to format or use\n" + "'-n 0xffffffff' to format all namespaces on this controller."); + return -EINVAL; + } + + if (cfg.namespace_id != NVME_NSID_ALL) { + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + if (err) { + if (err < 0) { + nvme_show_error("identify-namespace: %s", nvme_strerror(errno)); + } else { + fprintf(stderr, "identify failed\n"); + nvme_show_status(err); + } + return err; + } + nvme_id_ns_flbas_to_lbaf_inuse(ns->flbas, &prev_lbaf); + + if (cfg.bs) { + for (i = 0; i <= ns->nlbaf; ++i) { + if ((1ULL << ns->lbaf[i].ds) == cfg.bs && ns->lbaf[i].ms == 0) { + cfg.lbaf = i; + break; + } + } + if (cfg.lbaf == 0xff) { + fprintf(stderr, + "LBAF corresponding to given block size %"PRIu64" not found\n", + (uint64_t)cfg.bs); + fprintf(stderr, + "Please correct block size, or specify LBAF directly\n"); + return -EINVAL; + } + } else if (cfg.lbaf == 0xff) { + cfg.lbaf = prev_lbaf; + } + } else { + if (cfg.lbaf == 0xff) + cfg.lbaf = 0; + } + + /* ses & pi checks set to 7 for forward-compatibility */ + if (cfg.ses > 7) { + nvme_show_error("invalid secure erase settings:%d", cfg.ses); + return -EINVAL; + } + if (cfg.lbaf > 63) { + nvme_show_error("invalid lbaf:%d", cfg.lbaf); + return -EINVAL; + } + if (cfg.pi > 7) { + nvme_show_error("invalid pi:%d", cfg.pi); + return -EINVAL; + } + if (cfg.pil > 1) { + nvme_show_error("invalid pil:%d", cfg.pil); + return -EINVAL; + } + if (cfg.ms > 1) { + nvme_show_error("invalid ms:%d", cfg.ms); + return -EINVAL; + } + + if (!cfg.force) { + fprintf(stderr, "You are about to format %s, namespace %#x%s.\n", + dev->name, cfg.namespace_id, + cfg.namespace_id == NVME_NSID_ALL ? "(ALL namespaces)" : ""); + nvme_show_relatives(dev->name); + fprintf(stderr, + "WARNING: Format may irrevocably delete this device's data.\n" + "You have 10 seconds to press Ctrl-C to cancel this operation.\n\n" + "Use the force [--force] option to suppress this warning.\n"); + sleep(10); + fprintf(stderr, "Sending format operation ...\n"); + } + + struct nvme_format_nvm_args args = { + .args_size = sizeof(args), + .nsid = cfg.namespace_id, + .lbafu = (cfg.lbaf & NVME_NS_FLBAS_HIGHER_MASK) >> 4, + .lbaf = cfg.lbaf & NVME_NS_FLBAS_LOWER_MASK, + .mset = cfg.ms, + .pi = cfg.pi, + .pil = cfg.pil, + .ses = cfg.ses, + .timeout = cfg.timeout, + .result = NULL, + }; + err = nvme_cli_format_nvm(dev, &args); + if (err < 0) { + nvme_show_error("format: %s", nvme_strerror(errno)); + } else if (err != 0) { + nvme_show_status(err); + } else { + printf("Success formatting namespace:%x\n", cfg.namespace_id); + if (dev->type == NVME_DEV_DIRECT && cfg.lbaf != prev_lbaf) { + if (is_chardev(dev)) { + if (ioctl(dev_fd(dev), NVME_IOCTL_RESCAN) < 0) { + nvme_show_error("failed to rescan namespaces"); + return -errno; + } + } else if (cfg.namespace_id != NVME_NSID_ALL) { + block_size = 1 << ns->lbaf[cfg.lbaf].ds; + + /* + * If block size has been changed by the format + * command up there, we should notify it to + * kernel blkdev to update its own block size + * to the given one because blkdev will not + * update by itself without re-opening fd. + */ + if (ioctl(dev_fd(dev), BLKBSZSET, &block_size) < 0) { + nvme_show_error("failed to set block size to %d", + block_size); + return -errno; + } + + if (ioctl(dev_fd(dev), BLKRRPART) < 0) { + nvme_show_error("failed to re-read partition table"); + return -errno; + } + } + } + if (dev->type == NVME_DEV_DIRECT && cfg.reset && is_chardev(dev)) + nvme_ctrl_reset(dev_fd(dev)); + } + + return err; +} + +#define STRTOUL_AUTO_BASE (0) +#define NVME_FEAT_TIMESTAMP_DATA_SIZE (6) + +static int set_feature(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Modify the saveable or changeable " + "current operating parameters of the controller. " + "Operating parameters are grouped and identified by Feature" + "Identifiers. Feature settings can be applied to the entire" + "controller and all associated namespaces, or to only a few" + "namespace(s) associated with the controller. Default values" + "for each Feature are vendor-specific and may not be modified." + "Use get-feature to determine which Features are supported by" + "the controller and are saveable/changeable."; + const char *feature_id = "feature identifier (required)"; + const char *data = "optional file for feature data (default stdin)"; + const char *value = "new value of feature (required)"; + const char *cdw12 = "feature cdw12, if used"; + const char *save = "specifies that the controller shall save the attribute"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + _cleanup_file_ int ffd = STDIN_FILENO; + int err; + __u32 result; + + struct config { + __u32 namespace_id; + __u8 feature_id; + __u64 value; + __u32 cdw12; + __u8 uuid_index; + __u32 data_len; + char *file; + bool save; + }; + + struct config cfg = { + .namespace_id = 0, + .feature_id = 0, + .value = 0, + .uuid_index = 0, + .data_len = 0, + .file = "", + .save = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_BYTE("feature-id", 'f', &cfg.feature_id, feature_id), + OPT_SUFFIX("value", 'V', &cfg.value, value), + OPT_UINT("cdw12", 'c', &cfg.cdw12, cdw12), + OPT_BYTE("uuid-index", 'U', &cfg.uuid_index, uuid_index_specify), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len), + OPT_FILE("data", 'd', &cfg.file, data), + OPT_FLAG("save", 's', &cfg.save, save)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!argconfig_parse_seen(opts, "namespace-id")) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + if (errno != ENOTTY) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return -errno; + } + cfg.namespace_id = NVME_NSID_ALL; + } + } + + if (!cfg.feature_id) { + nvme_show_error("feature-id required param"); + return -EINVAL; + } + + if (cfg.uuid_index > 127) { + nvme_show_error("invalid uuid index param: %u", cfg.uuid_index); + return -1; + } + + if (!cfg.data_len) + nvme_cli_get_feature_length2(cfg.feature_id, cfg.value, + NVME_DATA_TFR_HOST_TO_CTRL, + &cfg.data_len); + + if (cfg.data_len) { + buf = nvme_alloc(cfg.data_len); + if (!buf) + return -ENOMEM; + } + + if (buf) { + /* + * Use the '-v' value for the timestamp feature if provided as + * a convenience since it can often fit in 4-bytes. The user + * should use the buffer method if the value exceeds this + * length. + */ + if (cfg.feature_id == NVME_FEAT_FID_TIMESTAMP && cfg.value) { + memcpy(buf, &cfg.value, NVME_FEAT_TIMESTAMP_DATA_SIZE); + } else { + if (strlen(cfg.file)) + ffd = open(cfg.file, O_RDONLY); + + if (ffd < 0) { + nvme_show_error("Failed to open file %s: %s", + cfg.file, strerror(errno)); + return -EINVAL; + } + + err = read(ffd, buf, cfg.data_len); + if (err < 0) { + nvme_show_error("failed to read data buffer from input file: %s", + strerror(errno)); + return -errno; + } + } + } + + 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 = cfg.cdw12, + .save = cfg.save, + .uuidx = cfg.uuid_index, + .cdw15 = 0, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_set_features(&args); + if (err < 0) { + nvme_show_error("set-feature: %s", nvme_strerror(errno)); + } else if (!err) { + printf("set-feature:%#0*x (%s), value:%#0*"PRIx64", cdw12:%#0*x, save:%#x\n", + cfg.feature_id ? 4 : 2, cfg.feature_id, + nvme_feature_to_string(cfg.feature_id), + cfg.value ? 10 : 8, (uint64_t)cfg.value, + cfg.cdw12 ? 10 : 8, cfg.cdw12, cfg.save); + if (cfg.feature_id == NVME_FEAT_FID_LBA_STS_INTERVAL) + nvme_show_lba_status_info(result); + if (buf) { + if (cfg.feature_id == NVME_FEAT_FID_LBA_RANGE) + nvme_show_lba_range((struct nvme_lba_range_type *)buf, result, 0); + else + d(buf, cfg.data_len, 16, 1); + } + } else if (err > 0) { + nvme_show_status(err); + } + + return err; +} + +static int sec_send(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + struct stat sb; + const char *desc = "Transfer security protocol data to\n" + "a controller. Security Receives for the same protocol should be\n" + "performed after Security Sends. The security protocol field\n" + "associates Security Sends (security-send) and Security Receives (security-recv)."; + const char *file = "transfer payload"; + const char *tl = "transfer length (cf. SPC-4)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *sec_buf = NULL; + _cleanup_file_ int sec_fd = -1; + unsigned int sec_size; + int err; + + struct config { + __u32 namespace_id; + char *file; + __u8 nssf; + __u8 secp; + __u16 spsp; + __u32 tl; + }; + + struct config cfg = { + .namespace_id = 0, + .file = "", + .nssf = 0, + .secp = 0, + .spsp = 0, + .tl = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_FILE("file", 'f', &cfg.file, file), + OPT_BYTE("nssf", 'N', &cfg.nssf, nssf), + OPT_BYTE("secp", 'p', &cfg.secp, secp), + OPT_SHRT("spsp", 's', &cfg.spsp, spsp), + OPT_UINT("tl", 't', &cfg.tl, tl)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.tl == 0) { + nvme_show_error("--tl unspecified or zero"); + return -EINVAL; + } + if ((cfg.tl & 3) != 0) + nvme_show_error( + "WARNING: --tl not dword aligned; unaligned bytes may be truncated"); + + if (strlen(cfg.file) == 0) { + sec_fd = STDIN_FILENO; + sec_size = cfg.tl; + } else { + sec_fd = open(cfg.file, O_RDONLY); + if (sec_fd < 0) { + nvme_show_error("Failed to open %s: %s", cfg.file, strerror(errno)); + return -EINVAL; + } + + err = fstat(sec_fd, &sb); + if (err < 0) { + nvme_show_perror("fstat"); + return err; + } + + sec_size = cfg.tl > sb.st_size ? cfg.tl : sb.st_size; + } + + sec_buf = nvme_alloc(cfg.tl); + if (!sec_buf) + return -ENOMEM; + + err = read(sec_fd, sec_buf, sec_size); + if (err < 0) { + nvme_show_error("Failed to read data from security file %s with %s", cfg.file, + strerror(errno)); + return -errno; + } + + struct nvme_security_send_args args = { + .args_size = sizeof(args), + .nsid = cfg.namespace_id, + .nssf = cfg.nssf, + .spsp0 = cfg.spsp & 0xff, + .spsp1 = cfg.spsp >> 8, + .secp = cfg.secp, + .tl = cfg.tl, + .data_len = cfg.tl, + .data = sec_buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + + err = nvme_cli_security_send(dev, &args); + + if (err < 0) + nvme_show_error("security-send: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Security Send Command Success\n"); + + return err; +} + +static int dir_send(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Set directive parameters of the specified directive type."; + const char *endir = "directive enable"; + const char *ttype = "target directive type to be enabled/disabled"; + const char *input = "write/send file (default stdin)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + __u32 result; + __u32 dw12 = 0; + _cleanup_file_ int ffd = STDIN_FILENO; + int err; + + struct config { + __u32 namespace_id; + __u32 data_len; + __u8 dtype; + __u8 ttype; + __u16 dspec; + __u8 doper; + __u16 endir; + bool human_readable; + bool raw_binary; + char *file; + }; + + struct config cfg = { + .namespace_id = 1, + .data_len = 0, + .dtype = 0, + .ttype = 0, + .dspec = 0, + .doper = 0, + .endir = 1, + .human_readable = false, + .raw_binary = false, + .file = "", + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len), + OPT_BYTE("dir-type", 'D', &cfg.dtype, dtype), + OPT_BYTE("target-dir", 'T', &cfg.ttype, ttype), + OPT_SHRT("dir-spec", 'S', &cfg.dspec, dspec_w_dtype), + OPT_BYTE("dir-oper", 'O', &cfg.doper, doper), + OPT_SHRT("endir", 'e', &cfg.endir, endir), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_directive), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_directive), + OPT_FILE("input-file", 'i', &cfg.file, input)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + switch (cfg.dtype) { + case NVME_DIRECTIVE_DTYPE_IDENTIFY: + switch (cfg.doper) { + case NVME_DIRECTIVE_SEND_IDENTIFY_DOPER_ENDIR: + if (!cfg.ttype) { + nvme_show_error("target-dir required param\n"); + return -EINVAL; + } + dw12 = cfg.ttype << 8 | cfg.endir; + break; + default: + nvme_show_error("invalid directive operations for Identify Directives"); + return -EINVAL; + } + break; + case NVME_DIRECTIVE_DTYPE_STREAMS: + switch (cfg.doper) { + case NVME_DIRECTIVE_SEND_STREAMS_DOPER_RELEASE_IDENTIFIER: + case NVME_DIRECTIVE_SEND_STREAMS_DOPER_RELEASE_RESOURCE: + break; + default: + nvme_show_error("invalid directive operations for Streams Directives"); + return -EINVAL; + } + break; + default: + nvme_show_error("invalid directive type"); + return -EINVAL; + } + + if (cfg.data_len) { + buf = nvme_alloc(cfg.data_len); + if (!buf) + return -ENOMEM; + } + + if (buf) { + if (strlen(cfg.file)) { + ffd = open(cfg.file, O_RDONLY); + if (ffd <= 0) { + nvme_show_error("Failed to open file %s: %s", + cfg.file, strerror(errno)); + return -EINVAL; + } + } + err = read(ffd, (void *)buf, cfg.data_len); + if (err < 0) { + nvme_show_error("failed to read data buffer from input file %s", + strerror(errno)); + return -errno; + } + } + + struct nvme_directive_send_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .dspec = cfg.dspec, + .doper = cfg.doper, + .dtype = cfg.dtype, + .cdw12 = dw12, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_directive_send(&args); + if (err < 0) { + nvme_show_error("dir-send: %s", nvme_strerror(errno)); + return err; + } + if (!err) { + printf("dir-send: type %#x, operation %#x, spec_val %#x, nsid %#x, result %#x\n", + cfg.dtype, cfg.doper, cfg.dspec, cfg.namespace_id, result); + if (buf) { + if (!cfg.raw_binary) + d(buf, cfg.data_len, 16, 1); + else + d_raw(buf, cfg.data_len); + } + } else if (err > 0) { + nvme_show_status(err); + } + + return err; +} + +static int write_uncor(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "The Write Uncorrectable command is used to set a range of logical blocks to invalid."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u64 start_block; + __u16 block_count; + __u8 dtype; + __u16 dspec; + }; + + struct config cfg = { + .namespace_id = 0, + .start_block = 0, + .block_count = 0, + .dtype = 0, + .dspec = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_SUFFIX("start-block", 's', &cfg.start_block, start_block), + OPT_SHRT("block-count", 'c', &cfg.block_count, block_count), + OPT_BYTE("dir-type", 'T', &cfg.dtype, dtype), + OPT_SHRT("dir-spec", 'S', &cfg.dspec, dspec_w_dtype)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + if (cfg.dtype > 0xf) { + nvme_show_error("Invalid directive type, %x", cfg.dtype); + return -EINVAL; + } + + struct nvme_io_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .slba = cfg.start_block, + .nlb = cfg.block_count, + .control = cfg.dtype << 4, + .dspec = cfg.dspec, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_write_uncorrectable(&args); + if (err < 0) + nvme_show_error("write uncorrectable: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Write Uncorrectable Success\n"); + + return err; +} + +static int invalid_tags(__u64 storage_tag, __u64 ref_tag, __u8 sts, __u8 pif) +{ + int result = 0; + + if (sts < 64 && storage_tag >= (1LL << sts)) { + nvme_show_error("Storage tag larger than storage tag size"); + return 1; + } + + switch (pif) { + case 0: + if (ref_tag >= (1LL << (32 - sts))) + result = 1; + break; + case 1: + if (sts > 16 && ref_tag >= (1LL << (80 - sts))) + result = 1; + break; + case 2: + if (sts > 0 && ref_tag >= (1LL << (48 - sts))) + result = 1; + break; + default: + nvme_show_error("Invalid PIF"); + result = 1; + break; + } + + if (result) + nvme_show_error("Reference tag larger than allowed by PIF"); + + return result; +} + +static int write_zeroes(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + _cleanup_free_ struct nvme_nvm_id_ns *nvm_ns = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u8 lba_index, sts = 0, pif = 0; + __u16 control = 0; + int err; + + const char *desc = + "The Write Zeroes command is used to set a range of logical blocks to zero."; + const char *deac = + "Set DEAC bit, requesting controller to deallocate specified logical blocks"; + const char *storage_tag_check = + "This bit specifies the Storage Tag field shall be checked as\n" + "part of end-to-end data protection processing"; + + struct config { + __u32 namespace_id; + __u64 start_block; + __u16 block_count; + __u8 dtype; + bool deac; + bool limited_retry; + bool force_unit_access; + __u8 prinfo; + __u64 ref_tag; + __u16 app_tag_mask; + __u16 app_tag; + __u64 storage_tag; + bool storage_tag_check; + __u16 dspec; + }; + + struct config cfg = { + .namespace_id = 0, + .start_block = 0, + .block_count = 0, + .dtype = 0, + .deac = false, + .limited_retry = false, + .force_unit_access = false, + .prinfo = 0, + .ref_tag = 0, + .app_tag_mask = 0, + .app_tag = 0, + .storage_tag = 0, + .storage_tag_check = false, + .dspec = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_SUFFIX("start-block", 's', &cfg.start_block, start_block), + OPT_SHRT("block-count", 'c', &cfg.block_count, block_count), + OPT_BYTE("dir-type", 'T', &cfg.dtype, dtype), + OPT_FLAG("deac", 'd', &cfg.deac, deac), + OPT_FLAG("limited-retry", 'l', &cfg.limited_retry, limited_retry), + OPT_FLAG("force-unit-access", 'f', &cfg.force_unit_access, force_unit_access), + OPT_BYTE("prinfo", 'p', &cfg.prinfo, prinfo), + OPT_SUFFIX("ref-tag", 'r', &cfg.ref_tag, ref_tag), + OPT_SHRT("app-tag-mask", 'm', &cfg.app_tag_mask, app_tag_mask), + OPT_SHRT("app-tag", 'a', &cfg.app_tag, app_tag), + OPT_SUFFIX("storage-tag", 'S', &cfg.storage_tag, storage_tag), + OPT_FLAG("storage-tag-check", 'C', &cfg.storage_tag_check, storage_tag_check), + OPT_SHRT("dir-spec", 'D', &cfg.dspec, dspec_w_dtype)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.prinfo > 0xf) + return -EINVAL; + + if (cfg.dtype > 0xf) { + nvme_show_error("Invalid directive type, %x", cfg.dtype); + return -EINVAL; + } + + control |= (cfg.prinfo << 10); + if (cfg.limited_retry) + control |= NVME_IO_LR; + if (cfg.force_unit_access) + control |= NVME_IO_FUA; + if (cfg.deac) + control |= NVME_IO_DEAC; + if (cfg.storage_tag_check) + control |= NVME_IO_STC; + control |= (cfg.dtype << 4); + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + if (err < 0) { + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + nvm_ns = nvme_alloc(sizeof(*nvm_ns)); + if (!nvm_ns) + return -ENOMEM; + + err = nvme_identify_ns_csi(dev_fd(dev), cfg.namespace_id, 0, NVME_CSI_NVM, nvm_ns); + if (!err) { + nvme_id_ns_flbas_to_lbaf_inuse(ns->flbas, &lba_index); + sts = nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_STS_MASK; + pif = (nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_PIF_MASK) >> 7; + } + + if (invalid_tags(cfg.storage_tag, cfg.ref_tag, sts, pif)) + return -EINVAL; + + struct nvme_io_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .slba = cfg.start_block, + .nlb = cfg.block_count, + .control = control, + .reftag_u64 = cfg.ref_tag, + .apptag = cfg.app_tag, + .appmask = cfg.app_tag_mask, + .sts = sts, + .pif = pif, + .storage_tag = cfg.storage_tag, + .dspec = cfg.dspec, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_write_zeros(&args); + if (err < 0) + nvme_show_error("write-zeroes: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Write Zeroes Success\n"); + + return err; +} + +static int dsm(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "The Dataset Management command is used by the host to\n" + "indicate attributes for ranges of logical blocks. This includes attributes\n" + "for discarding unused blocks, data read and write frequency, access size, and other\n" + "information that may be used to optimize performance and reliability."; + const char *blocks = "Comma separated list of the number of blocks in each range"; + const char *starting_blocks = "Comma separated list of the starting block in each range"; + const char *context_attrs = "Comma separated list of the context attributes in each range"; + const char *ad = "Attribute Deallocate"; + const char *idw = "Attribute Integral Dataset for Write"; + const char *idr = "Attribute Integral Dataset for Read"; + const char *cdw11 = "All the command DWORD 11 attributes. Use instead of specifying individual attributes"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_dsm_range *dsm = NULL; + uint16_t nr, nc, nb, ns; + __u32 ctx_attrs[256] = {0,}; + __u32 nlbs[256] = {0,}; + __u64 slbas[256] = {0,}; + int err; + + struct config { + __u32 namespace_id; + char *ctx_attrs; + char *blocks; + char *slbas; + bool ad; + bool idw; + bool idr; + __u32 cdw11; + }; + + struct config cfg = { + .namespace_id = 0, + .ctx_attrs = "", + .blocks = "", + .slbas = "", + .ad = false, + .idw = false, + .idr = false, + .cdw11 = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_LIST("ctx-attrs", 'a', &cfg.ctx_attrs, context_attrs), + OPT_LIST("blocks", 'b', &cfg.blocks, blocks), + OPT_LIST("slbs", 's', &cfg.slbas, starting_blocks), + OPT_FLAG("ad", 'd', &cfg.ad, ad), + OPT_FLAG("idw", 'w', &cfg.idw, idw), + OPT_FLAG("idr", 'r', &cfg.idr, idr), + OPT_UINT("cdw11", 'c', &cfg.cdw11, cdw11)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + nc = argconfig_parse_comma_sep_array_u32(cfg.ctx_attrs, ctx_attrs, ARRAY_SIZE(ctx_attrs)); + nb = argconfig_parse_comma_sep_array_u32(cfg.blocks, nlbs, ARRAY_SIZE(nlbs)); + ns = argconfig_parse_comma_sep_array_u64(cfg.slbas, slbas, ARRAY_SIZE(slbas)); + nr = max(nc, max(nb, ns)); + if (!nr || nr > 256) { + nvme_show_error("No range definition provided"); + return -EINVAL; + } + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + if (!cfg.cdw11) + cfg.cdw11 = (cfg.ad << 2) | (cfg.idw << 1) | (cfg.idr << 0); + + dsm = nvme_alloc(sizeof(*dsm) * 256); + if (!dsm) + return -ENOMEM; + + nvme_init_dsm_range(dsm, ctx_attrs, nlbs, slbas, nr); + struct nvme_dsm_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .attrs = cfg.cdw11, + .nr_ranges = nr, + .dsm = dsm, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_dsm(&args); + if (err < 0) + nvme_show_error("data-set management: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVMe DSM: success\n"); + + return err; +} + +static int copy_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "The Copy command is used by the host to copy data\n" + "from one or more source logical block ranges to a\n" + "single consecutive destination logical block range."; + const char *d_sdlba = "64-bit addr of first destination logical block"; + const char *d_slbas = "64-bit addr of first block per range (comma-separated list)"; + const char *d_nlbs = "number of blocks per range (comma-separated list, zeroes-based values)"; + const char *d_snsids = "source namespace identifier per range (comma-separated list)"; + const char *d_sopts = "source options per range (comma-separated list)"; + const char *d_lr = "limited retry"; + const char *d_fua = "force unit access"; + const char *d_prinfor = "protection information and check field (read part)"; + const char *d_prinfow = "protection information and check field (write part)"; + const char *d_ilbrt = "initial lba reference tag (write part)"; + const char *d_eilbrts = "expected lba reference tags (read part, comma-separated list)"; + const char *d_lbat = "lba application tag (write part)"; + const char *d_elbats = "expected lba application tags (read part, comma-separated list)"; + const char *d_lbatm = "lba application tag mask (write part)"; + const char *d_elbatms = "expected lba application tag masks (read part, comma-separated list)"; + const char *d_dtype = "directive type (write part)"; + const char *d_dspec = "directive specific (write part)"; + const char *d_format = "source range entry format"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u16 nr, nb, ns, nrts, natms, nats, nids; + __u16 nlbs[256] = { 0 }; + __u64 slbas[256] = { 0 }; + __u32 snsids[256] = { 0 }; + __u16 sopts[256] = { 0 }; + int err; + + union { + __u32 short_pi[256]; + __u64 long_pi[256]; + } eilbrts; + + __u32 elbatms[256] = { 0 }; + __u32 elbats[256] = { 0 }; + + union { + struct nvme_copy_range f0[256]; + struct nvme_copy_range_f1 f1[256]; + struct nvme_copy_range_f2 f2[256]; + struct nvme_copy_range_f3 f3[256]; + } *copy; + + struct config { + __u32 namespace_id; + __u64 sdlba; + char *slbas; + char *nlbs; + char *snsids; + char *sopts; + bool lr; + bool fua; + __u8 prinfow; + __u8 prinfor; + __u64 ilbrt; + char *eilbrts; + __u16 lbat; + char *elbats; + __u16 lbatm; + char *elbatms; + __u8 dtype; + __u16 dspec; + __u8 format; + }; + + struct config cfg = { + .namespace_id = 0, + .sdlba = 0, + .slbas = "", + .nlbs = "", + .snsids = "", + .sopts = "", + .lr = false, + .fua = false, + .prinfow = 0, + .prinfor = 0, + .ilbrt = 0, + .eilbrts = "", + .lbat = 0, + .elbats = "", + .lbatm = 0, + .elbatms = "", + .dtype = 0, + .dspec = 0, + .format = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SUFFIX("sdlba", 'd', &cfg.sdlba, d_sdlba), + OPT_LIST("slbs", 's', &cfg.slbas, d_slbas), + OPT_LIST("blocks", 'b', &cfg.nlbs, d_nlbs), + OPT_LIST("snsids", 'N', &cfg.snsids, d_snsids), + OPT_LIST("sopts", 'O', &cfg.sopts, d_sopts), + OPT_FLAG("limited-retry", 'l', &cfg.lr, d_lr), + OPT_FLAG("force-unit-access", 'f', &cfg.fua, d_fua), + OPT_BYTE("prinfow", 'p', &cfg.prinfow, d_prinfow), + OPT_BYTE("prinfor", 'P', &cfg.prinfor, d_prinfor), + OPT_SUFFIX("ref-tag", 'r', &cfg.ilbrt, d_ilbrt), + OPT_LIST("expected-ref-tags", 'R', &cfg.eilbrts, d_eilbrts), + OPT_SHRT("app-tag", 'a', &cfg.lbat, d_lbat), + OPT_LIST("expected-app-tags", 'A', &cfg.elbats, d_elbats), + OPT_SHRT("app-tag-mask", 'm', &cfg.lbatm, d_lbatm), + OPT_LIST("expected-app-tag-masks", 'M', &cfg.elbatms, d_elbatms), + OPT_BYTE("dir-type", 'T', &cfg.dtype, d_dtype), + OPT_SHRT("dir-spec", 'S', &cfg.dspec, d_dspec), + OPT_BYTE("format", 'F', &cfg.format, d_format)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + nb = argconfig_parse_comma_sep_array_u16(cfg.nlbs, nlbs, ARRAY_SIZE(nlbs)); + ns = argconfig_parse_comma_sep_array_u64(cfg.slbas, slbas, ARRAY_SIZE(slbas)); + nids = argconfig_parse_comma_sep_array_u32(cfg.snsids, snsids, ARRAY_SIZE(snsids)); + argconfig_parse_comma_sep_array_u16(cfg.sopts, sopts, ARRAY_SIZE(sopts)); + + if (cfg.format == 0 || cfg.format == 2) { + nrts = argconfig_parse_comma_sep_array_u32(cfg.eilbrts, eilbrts.short_pi, + ARRAY_SIZE(eilbrts.short_pi)); + } else if (cfg.format == 1 || cfg.format == 3) { + nrts = argconfig_parse_comma_sep_array_u64(cfg.eilbrts, eilbrts.long_pi, + ARRAY_SIZE(eilbrts.long_pi)); + } else { + nvme_show_error("invalid format"); + return -EINVAL; + } + + natms = argconfig_parse_comma_sep_array_u32(cfg.elbatms, elbatms, ARRAY_SIZE(elbatms)); + nats = argconfig_parse_comma_sep_array_u32(cfg.elbats, elbats, ARRAY_SIZE(elbats)); + + nr = max(nb, max(ns, max(nrts, max(natms, nats)))); + if (cfg.format == 2 || cfg.format == 3) { + if (nr != nids) { + nvme_show_error("formats 2 and 3 require source namespace ids for each source range"); + return -EINVAL; + } + } else if (nids) { + nvme_show_error("formats 0 and 1 do not support cross-namespace copy"); + return -EINVAL; + } + if (!nr || nr > 256) { + nvme_show_error("invalid range"); + return -EINVAL; + } + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + copy = nvme_alloc(sizeof(*copy)); + if (!copy) + return -ENOMEM; + + if (cfg.format == 0) + nvme_init_copy_range(copy->f0, nlbs, slbas, eilbrts.short_pi, elbatms, elbats, nr); + else if (cfg.format == 1) + nvme_init_copy_range_f1(copy->f1, nlbs, slbas, eilbrts.long_pi, elbatms, elbats, nr); + else if (cfg.format == 2) + nvme_init_copy_range_f2(copy->f2, snsids, nlbs, slbas, sopts, eilbrts.short_pi, elbatms, + elbats, nr); + else if (cfg.format == 3) + nvme_init_copy_range_f3(copy->f3, snsids, nlbs, slbas, sopts, eilbrts.long_pi, elbatms, + elbats, nr); + + struct nvme_copy_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .copy = copy->f0, + .sdlba = cfg.sdlba, + .nr = nr, + .prinfor = cfg.prinfor, + .prinfow = cfg.prinfow, + .dtype = cfg.dtype, + .dspec = cfg.dspec, + .format = cfg.format, + .lr = cfg.lr, + .fua = cfg.fua, + .ilbrt_u64 = cfg.ilbrt, + .lbatm = cfg.lbatm, + .lbat = cfg.lbat, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_copy(&args); + if (err < 0) + nvme_show_error("NVMe Copy: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVMe Copy: success\n"); + + return err; +} + +static int flush_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Commit data and metadata associated with\n" + "given namespaces to nonvolatile media. Applies to all commands\n" + "finished before the flush was submitted. Additional data may also be\n" + "flushed by the controller, from any namespace, depending on controller and\n" + "associated namespace status."; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + }; + + struct config cfg = { + .namespace_id = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + err = nvme_flush(dev_fd(dev), cfg.namespace_id); + if (err < 0) + nvme_show_error("flush: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVMe Flush: success\n"); + + return err; +} + +static int resv_acquire(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Obtain a reservation on a given\n" + "namespace. Only one reservation is allowed at a time on a\n" + "given namespace, though multiple controllers may register\n" + "with that namespace. Namespace reservation will abort with\n" + "status Reservation Conflict if the given namespace is already reserved."; + const char *prkey = "pre-empt reservation key"; + const char *racqa = "reservation acquire action"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u64 crkey; + __u64 prkey; + __u8 rtype; + __u8 racqa; + bool iekey; + }; + + struct config cfg = { + .namespace_id = 0, + .crkey = 0, + .prkey = 0, + .rtype = 0, + .racqa = 0, + .iekey = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SUFFIX("crkey", 'c', &cfg.crkey, crkey), + OPT_SUFFIX("prkey", 'p', &cfg.prkey, prkey), + OPT_BYTE("rtype", 't', &cfg.rtype, rtype), + OPT_BYTE("racqa", 'a', &cfg.racqa, racqa), + OPT_FLAG("iekey", 'i', &cfg.iekey, iekey)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + if (cfg.racqa > 7) { + nvme_show_error("invalid racqa:%d", cfg.racqa); + return -EINVAL; + } + + struct nvme_resv_acquire_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .rtype = cfg.rtype, + .racqa = cfg.racqa, + .iekey = !!cfg.iekey, + .crkey = cfg.crkey, + .nrkey = cfg.prkey, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_resv_acquire(&args); + if (err < 0) + nvme_show_error("reservation acquire: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Reservation Acquire success\n"); + + return err; +} + +static int resv_register(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Register, de-register, or\n" + "replace a controller's reservation on a given namespace.\n" + "Only one reservation at a time is allowed on any namespace."; + const char *nrkey = "new reservation key"; + const char *rrega = "reservation registration action"; + const char *cptpl = "change persistence through power loss setting"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u64 crkey; + __u64 nrkey; + __u8 rrega; + __u8 cptpl; + bool iekey; + }; + + struct config cfg = { + .namespace_id = 0, + .crkey = 0, + .nrkey = 0, + .rrega = 0, + .cptpl = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SUFFIX("crkey", 'c', &cfg.crkey, crkey), + OPT_SUFFIX("nrkey", 'k', &cfg.nrkey, nrkey), + OPT_BYTE("rrega", 'r', &cfg.rrega, rrega), + OPT_BYTE("cptpl", 'p', &cfg.cptpl, cptpl), + OPT_FLAG("iekey", 'i', &cfg.iekey, iekey)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + if (cfg.cptpl > 3) { + nvme_show_error("invalid cptpl:%d", cfg.cptpl); + return -EINVAL; + } + + if (cfg.rrega > 7) { + nvme_show_error("invalid rrega:%d", cfg.rrega); + return -EINVAL; + } + + struct nvme_resv_register_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .rrega = cfg.rrega, + .cptpl = cfg.cptpl, + .iekey = !!cfg.iekey, + .crkey = cfg.crkey, + .nrkey = cfg.nrkey, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_resv_register(&args); + if (err < 0) + nvme_show_error("reservation register: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Reservation success\n"); + + return err; +} + +static int resv_release(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Releases reservation held on a\n" + "namespace by the given controller. If rtype != current reservation\n" + "type, release will fails. If the given controller holds no\n" + "reservation on the namespace or is not the namespace's current\n" + "reservation holder, the release command completes with no\n" + "effect. If the reservation type is not Write Exclusive or\n" + "Exclusive Access, all registrants on the namespace except\n" + "the issuing controller are notified."; + const char *rrela = "reservation release action"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + struct config { + __u32 namespace_id; + __u64 crkey; + __u8 rtype; + __u8 rrela; + __u8 iekey; + }; + + struct config cfg = { + .namespace_id = 0, + .crkey = 0, + .rtype = 0, + .rrela = 0, + .iekey = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_SUFFIX("crkey", 'c', &cfg.crkey, crkey), + OPT_BYTE("rtype", 't', &cfg.rtype, rtype), + OPT_BYTE("rrela", 'a', &cfg.rrela, rrela), + OPT_FLAG("iekey", 'i', &cfg.iekey, iekey)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + if (cfg.rrela > 7) { + nvme_show_error("invalid rrela:%d", cfg.rrela); + return -EINVAL; + } + + struct nvme_resv_release_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .rtype = cfg.rtype, + .rrela = cfg.rrela, + .iekey = !!cfg.iekey, + .crkey = cfg.crkey, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_resv_release(&args); + if (err < 0) + nvme_show_error("reservation release: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Reservation Release success\n"); + + return err; +} + +static int resv_report(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Returns Reservation Status data\n" + "structure describing any existing reservations on and the\n" + "status of a given namespace. Namespace Reservation Status\n" + "depends on the number of controllers registered for that namespace."; + const char *numd = "number of dwords to transfer"; + const char *eds = "request extended data structure"; + + _cleanup_free_ struct nvme_resv_status *status = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + enum nvme_print_flags flags; + int err, size; + + struct config { + __u32 namespace_id; + __u32 numd; + __u8 eds; + bool raw_binary; + }; + + struct config cfg = { + .namespace_id = 0, + .numd = 0, + .eds = false, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_UINT("numd", 'd', &cfg.numd, numd), + OPT_FLAG("eds", 'e', &cfg.eds, eds), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_dump)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (cfg.raw_binary) + flags = BINARY; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + if (!cfg.numd || cfg.numd >= (0x1000 >> 2)) + cfg.numd = (0x1000 >> 2) - 1; + if (cfg.numd < 3) + cfg.numd = 3; + + size = (cfg.numd + 1) << 2; + + status = nvme_alloc(size); + if (!status) + return -ENOMEM; + + struct nvme_resv_report_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .eds = cfg.eds, + .len = size, + .report = status, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_resv_report(&args); + if (!err) + nvme_show_resv_report(status, size, cfg.eds, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("reservation report: %s", nvme_strerror(errno)); + + return err; +} + +unsigned long long elapsed_utime(struct timeval start_time, + struct timeval end_time) +{ + unsigned long long err = (end_time.tv_sec - start_time.tv_sec) * 1000000 + + (end_time.tv_usec - start_time.tv_usec); + return err; +} + +static int submit_io(int opcode, char *command, const char *desc, int argc, char **argv) +{ + struct timeval start_time, end_time; + void *buffer; + _cleanup_free_ void *mbuffer = NULL; + int err = 0; + _cleanup_file_ int dfd = -1, mfd = -1; + int flags; + int mode = 0644; + __u16 control = 0, nblocks = 0; + __u32 dsmgmt = 0; + unsigned int logical_block_size = 0; + unsigned long long buffer_size = 0, mbuffer_size = 0; + _cleanup_huge_ struct nvme_mem_huge mh = { 0, }; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ struct nvme_nvm_id_ns *nvm_ns = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + __u8 lba_index, ms = 0, sts = 0, pif = 0; + + const char *start_block_addr = "64-bit addr of first block to access"; + const char *data_size = "size of data in bytes"; + const char *metadata_size = "size of metadata in bytes"; + const char *data = "data file"; + const char *metadata = "metadata file"; + const char *limited_retry_num = "limit num. media access attempts"; + const char *show = "show command before sending"; + const char *dtype_for_write = "directive type (for write-only)"; + const char *dspec = "directive specific (for write-only)"; + const char *dsm = "dataset management attributes (lower 8 bits)"; + const char *storage_tag_check = "This bit specifies the Storage Tag field shall be\n" + "checked as part of end-to-end data protection processing"; + const char *force = "The \"I know what I'm doing\" flag, do not enforce exclusive access for write"; + + struct config { + __u32 namespace_id; + __u64 start_block; + __u16 block_count; + __u64 data_size; + __u64 metadata_size; + __u64 ref_tag; + char *data; + char *metadata; + __u8 prinfo; + __u16 app_tag_mask; + __u16 app_tag; + __u64 storage_tag; + bool limited_retry; + bool force_unit_access; + bool storage_tag_check; + __u8 dtype; + __u16 dspec; + __u8 dsmgmt; + bool show; + bool dry_run; + bool latency; + bool force; + }; + + struct config cfg = { + .namespace_id = 0, + .start_block = 0, + .block_count = 0, + .data_size = 0, + .metadata_size = 0, + .ref_tag = 0, + .data = "", + .metadata = "", + .prinfo = 0, + .app_tag_mask = 0, + .app_tag = 0, + .storage_tag = 0, + .limited_retry = false, + .force_unit_access = false, + .storage_tag_check = false, + .dtype = 0, + .dspec = 0, + .dsmgmt = 0, + .show = false, + .dry_run = false, + .latency = false, + .force = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_SUFFIX("start-block", 's', &cfg.start_block, start_block_addr), + OPT_SHRT("block-count", 'c', &cfg.block_count, block_count), + OPT_SUFFIX("data-size", 'z', &cfg.data_size, data_size), + OPT_SUFFIX("metadata-size", 'y', &cfg.metadata_size, metadata_size), + OPT_SUFFIX("ref-tag", 'r', &cfg.ref_tag, ref_tag), + OPT_FILE("data", 'd', &cfg.data, data), + OPT_FILE("metadata", 'M', &cfg.metadata, metadata), + OPT_BYTE("prinfo", 'p', &cfg.prinfo, prinfo), + OPT_SHRT("app-tag-mask", 'm', &cfg.app_tag_mask, app_tag_mask), + OPT_SHRT("app-tag", 'a', &cfg.app_tag, app_tag), + OPT_SUFFIX("storage-tag", 'g', &cfg.storage_tag, storage_tag), + OPT_FLAG("limited-retry", 'l', &cfg.limited_retry, limited_retry_num), + OPT_FLAG("force-unit-access", 'f', &cfg.force_unit_access, force_unit_access), + OPT_FLAG("storage-tag-check", 'C', &cfg.storage_tag_check, storage_tag_check), + OPT_BYTE("dir-type", 'T', &cfg.dtype, dtype_for_write), + OPT_SHRT("dir-spec", 'S', &cfg.dspec, dspec), + OPT_BYTE("dsm", 'D', &cfg.dsmgmt, dsm), + OPT_FLAG("show-command", 'V', &cfg.show, show), + OPT_FLAG("dry-run", 'w', &cfg.dry_run, dry), + OPT_FLAG("latency", 't', &cfg.latency, latency), + OPT_FLAG("force", 0, &cfg.force, force)); + + if (opcode != nvme_cmd_write) { + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + } else { + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + err = open_exclusive(&dev, argc, argv, cfg.force); + if (err) { + if (errno == EBUSY) { + fprintf(stderr, "Failed to open %s.\n", basename(argv[optind])); + fprintf(stderr, "Namespace is currently busy.\n"); + if (!cfg.force) + fprintf(stderr, + "Use the force [--force] option to ignore that.\n"); + } else { + argconfig_print_help(desc, opts); + } + return err; + } + } + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + if (cfg.prinfo > 0xf) + return err; + + dsmgmt = cfg.dsmgmt; + control |= (cfg.prinfo << 10); + if (cfg.limited_retry) + control |= NVME_IO_LR; + if (cfg.force_unit_access) + control |= NVME_IO_FUA; + if (cfg.storage_tag_check) + control |= NVME_IO_STC; + if (cfg.dtype) { + if (cfg.dtype > 0xf) { + nvme_show_error("Invalid directive type, %x", cfg.dtype); + return -EINVAL; + } + control |= cfg.dtype << 4; + dsmgmt |= ((__u32)cfg.dspec) << 16; + } + + if (opcode & 1) { + dfd = mfd = STDIN_FILENO; + flags = O_RDONLY; + } else { + dfd = mfd = STDOUT_FILENO; + flags = O_WRONLY | O_CREAT; + } + + if (strlen(cfg.data)) { + dfd = open(cfg.data, flags, mode); + if (dfd < 0) { + nvme_show_perror(cfg.data); + return -EINVAL; + } + } + + if (strlen(cfg.metadata)) { + mfd = open(cfg.metadata, flags, mode); + if (mfd < 0) { + nvme_show_perror(cfg.metadata); + return -EINVAL; + } + } + + if (!cfg.data_size) { + nvme_show_error("data size not provided"); + return -EINVAL; + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + if (err > 0) { + nvme_show_status(err); + return err; + } else if (err < 0) { + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + return err; + } + + nvme_id_ns_flbas_to_lbaf_inuse(ns->flbas, &lba_index); + logical_block_size = 1 << ns->lbaf[lba_index].ds; + ms = ns->lbaf[lba_index].ms; + if (NVME_FLBAS_META_EXT(ns->flbas)) { + /* + * No meta data is transferred for PRACT=1 and MD=8: + * 5.2.2.1 Protection Information and Write Commands + * 5.2.2.2 Protection Information and Read Commands + */ + if (!((cfg.prinfo & 0x8) != 0 && ms == 8)) + logical_block_size += ms; + } + + buffer_size = ((long long)cfg.block_count + 1) * logical_block_size; + if (cfg.data_size < buffer_size) + nvme_show_error("Rounding data size to fit block count (%lld bytes)", buffer_size); + else + buffer_size = cfg.data_size; + + if (argconfig_parse_seen(opts, "block-count")) { + /* Use the value provided */ + nblocks = cfg.block_count; + } else { + /* Get the required block count. Note this is a zeroes based value. */ + nblocks = ((buffer_size + (logical_block_size - 1)) / logical_block_size) - 1; + + /* Update the data size based on the required block count */ + buffer_size = ((unsigned long long)nblocks + 1) * logical_block_size; + } + + buffer = nvme_alloc_huge(buffer_size, &mh); + if (!buffer) + return -ENOMEM; + + nvm_ns = nvme_alloc(sizeof(*nvm_ns)); + if (!nvm_ns) + return -ENOMEM; + + if (cfg.metadata_size) { + err = nvme_identify_ns_csi(dev_fd(dev), 1, 0, NVME_CSI_NVM, nvm_ns); + if (!err) { + sts = nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_STS_MASK; + pif = (nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_PIF_MASK) >> 7; + } + + mbuffer_size = ((unsigned long long)cfg.block_count + 1) * ms; + if (ms && cfg.metadata_size < mbuffer_size) + nvme_show_error("Rounding metadata size to fit block count (%lld bytes)", + mbuffer_size); + else + mbuffer_size = cfg.metadata_size; + + mbuffer = malloc(mbuffer_size); + if (!mbuffer) + return -ENOMEM; + memset(mbuffer, 0, mbuffer_size); + } + + if (invalid_tags(cfg.storage_tag, cfg.ref_tag, sts, pif)) + return -EINVAL; + + if (opcode & 1) { + err = read(dfd, (void *)buffer, cfg.data_size); + if (err < 0) { + err = -errno; + nvme_show_error("failed to read data buffer from input file %s", strerror(errno)); + return err; + } + } + + if ((opcode & 1) && cfg.metadata_size) { + err = read(mfd, (void *)mbuffer, mbuffer_size); + if (err < 0) { + err = -errno; + nvme_show_error("failed to read meta-data buffer from input file %s", strerror(errno)); + return err; + } + } + + if (cfg.show || cfg.dry_run) { + printf("opcode : %02x\n", opcode); + printf("nsid : %02x\n", cfg.namespace_id); + printf("flags : %02x\n", 0); + printf("control : %04x\n", control); + printf("nblocks : %04x\n", nblocks); + printf("metadata : %"PRIx64"\n", (uint64_t)(uintptr_t)mbuffer); + printf("addr : %"PRIx64"\n", (uint64_t)(uintptr_t)buffer); + printf("slba : %"PRIx64"\n", (uint64_t)cfg.start_block); + printf("dsmgmt : %08x\n", dsmgmt); + printf("reftag : %"PRIx64"\n", (uint64_t)cfg.ref_tag); + printf("apptag : %04x\n", cfg.app_tag); + printf("appmask : %04x\n", cfg.app_tag_mask); + printf("storagetagcheck : %04x\n", cfg.storage_tag_check); + printf("storagetag : %"PRIx64"\n", (uint64_t)cfg.storage_tag); + printf("pif : %02x\n", pif); + printf("sts : %02x\n", sts); + } + if (cfg.dry_run) + return 0; + + struct nvme_io_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .slba = cfg.start_block, + .nlb = nblocks, + .control = control, + .dsm = cfg.dsmgmt, + .sts = sts, + .pif = pif, + .dspec = cfg.dspec, + .reftag_u64 = cfg.ref_tag, + .apptag = cfg.app_tag, + .appmask = cfg.app_tag_mask, + .storage_tag = cfg.storage_tag, + .data_len = buffer_size, + .data = buffer, + .metadata_len = mbuffer_size, + .metadata = mbuffer, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + gettimeofday(&start_time, NULL); + err = nvme_io(&args, opcode); + gettimeofday(&end_time, NULL); + if (cfg.latency) + printf(" latency: %s: %llu us\n", command, elapsed_utime(start_time, end_time)); + if (err < 0) { + nvme_show_error("submit-io: %s", nvme_strerror(errno)); + } else if (err) { + nvme_show_status(err); + } else { + if (!(opcode & 1) && write(dfd, (void *)buffer, buffer_size) < 0) { + nvme_show_error("write: %s: failed to write buffer to output file", + strerror(errno)); + err = -EINVAL; + } else if (!(opcode & 1) && cfg.metadata_size && + write(mfd, (void *)mbuffer, mbuffer_size) < 0) { + nvme_show_error( + "write: %s: failed to write meta-data buffer to output file", + strerror(errno)); + err = -EINVAL; + } else { + fprintf(stderr, "%s: Success\n", command); + } + } + + return err; +} + +static int compare(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Compare specified logical blocks on\n" + "device with specified data buffer; return failure if buffer\n" + "and block(s) are dissimilar"; + + return submit_io(nvme_cmd_compare, "compare", desc, argc, argv); +} + +static int read_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Copy specified logical blocks on the given\n" + "device to specified data buffer (default buffer is stdout)."; + + return submit_io(nvme_cmd_read, "read", desc, argc, argv); +} + +static int write_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Copy from provided data buffer (default\n" + "buffer is stdin) to specified logical blocks on the given device."; + + return submit_io(nvme_cmd_write, "write", desc, argc, argv); +} + +static int verify_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + __u16 control = 0; + __u8 lba_index, sts = 0, pif = 0; + _cleanup_free_ struct nvme_nvm_id_ns *nvm_ns = NULL; + _cleanup_free_ struct nvme_id_ns *ns = NULL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err; + + const char *desc = "Verify specified logical blocks on the given device."; + const char *force_unit_access_verify = + "force device to commit cached data before performing the verify operation"; + const char *storage_tag_check = + "This bit specifies the Storage Tag field shall be checked as part of Verify operation"; + + struct config { + __u32 namespace_id; + __u64 start_block; + __u16 block_count; + bool limited_retry; + bool force_unit_access; + __u8 prinfo; + __u32 ref_tag; + __u16 app_tag; + __u16 app_tag_mask; + __u64 storage_tag; + bool storage_tag_check; + }; + + struct config cfg = { + .namespace_id = 0, + .start_block = 0, + .block_count = 0, + .limited_retry = false, + .force_unit_access = false, + .prinfo = 0, + .ref_tag = 0, + .app_tag = 0, + .app_tag_mask = 0, + .storage_tag = 0, + .storage_tag_check = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_SUFFIX("start-block", 's', &cfg.start_block, start_block), + OPT_SHRT("block-count", 'c', &cfg.block_count, block_count), + OPT_FLAG("limited-retry", 'l', &cfg.limited_retry, limited_retry), + OPT_FLAG("force-unit-access", 'f', &cfg.force_unit_access, force_unit_access_verify), + OPT_BYTE("prinfo", 'p', &cfg.prinfo, prinfo), + OPT_SUFFIX("ref-tag", 'r', &cfg.ref_tag, ref_tag), + OPT_SHRT("app-tag", 'a', &cfg.app_tag, app_tag), + OPT_SHRT("app-tag-mask", 'm', &cfg.app_tag_mask, app_tag_mask), + OPT_SUFFIX("storage-tag", 'S', &cfg.storage_tag, storage_tag), + OPT_FLAG("storage-tag-check", 'C', &cfg.storage_tag_check, storage_tag_check)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.prinfo > 0xf) + return -EINVAL; + + control |= (cfg.prinfo << 10); + if (cfg.limited_retry) + control |= NVME_IO_LR; + if (cfg.force_unit_access) + control |= NVME_IO_FUA; + if (cfg.storage_tag_check) + control |= NVME_IO_STC; + + if (!cfg.namespace_id) { + err = nvme_get_nsid(dev_fd(dev), &cfg.namespace_id); + if (err < 0) { + nvme_show_error("get-namespace-id: %s", nvme_strerror(errno)); + return err; + } + } + + ns = nvme_alloc(sizeof(*ns)); + if (!ns) + return -ENOMEM; + + err = nvme_cli_identify_ns(dev, cfg.namespace_id, ns); + if (err < 0) { + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + return err; + } else if (err) { + nvme_show_status(err); + return err; + } + + nvm_ns = nvme_alloc(sizeof(*nvm_ns)); + if (!nvm_ns) + return -ENOMEM; + + err = nvme_identify_ns_csi(dev_fd(dev), cfg.namespace_id, 0, + NVME_CSI_NVM, nvm_ns); + if (!err) { + nvme_id_ns_flbas_to_lbaf_inuse(ns->flbas, &lba_index); + sts = nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_STS_MASK; + pif = (nvm_ns->elbaf[lba_index] & NVME_NVM_ELBAF_PIF_MASK) >> 7; + } + + if (invalid_tags(cfg.storage_tag, cfg.ref_tag, sts, pif)) + return -EINVAL; + + struct nvme_io_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .slba = cfg.start_block, + .nlb = cfg.block_count, + .control = control, + .reftag_u64 = cfg.ref_tag, + .apptag = cfg.app_tag, + .appmask = cfg.app_tag_mask, + .sts = sts, + .pif = pif, + .storage_tag = cfg.storage_tag, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_verify(&args); + if (err < 0) + nvme_show_error("verify: %s", nvme_strerror(errno)); + else if (err != 0) + nvme_show_status(err); + else + printf("NVME Verify Success\n"); + + return err; +} + +static int sec_recv(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Obtain results of one or more\n" + "previously submitted security-sends. Results, and association\n" + "between Security Send and Receive, depend on the security\n" + "protocol field as they are defined by the security protocol\n" + "used. A Security Receive must follow a Security Send made with\n" + "the same security protocol."; + const char *size = "size of buffer (prints to stdout on success)"; + const char *al = "allocation length (cf. SPC-4)"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *sec_buf = NULL; + int err; + + struct config { + __u32 namespace_id; + __u32 size; + __u8 nssf; + __u8 secp; + __u16 spsp; + __u32 al; + bool raw_binary; + }; + + struct config cfg = { + .namespace_id = 0, + .size = 0, + .nssf = 0, + .secp = 0, + .spsp = 0, + .al = 0, + .raw_binary = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_UINT("size", 'x', &cfg.size, size), + OPT_BYTE("nssf", 'N', &cfg.nssf, nssf), + OPT_BYTE("secp", 'p', &cfg.secp, secp), + OPT_SHRT("spsp", 's', &cfg.spsp, spsp), + OPT_UINT("al", 't', &cfg.al, al), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_dump)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.size) { + sec_buf = nvme_alloc(sizeof(*sec_buf)); + if (!sec_buf) + return -ENOMEM; + } + + struct nvme_security_receive_args args = { + .args_size = sizeof(args), + .nsid = cfg.namespace_id, + .nssf = cfg.nssf, + .spsp0 = cfg.spsp & 0xff, + .spsp1 = cfg.spsp >> 8, + .secp = cfg.secp, + .al = cfg.al, + .data_len = cfg.size, + .data = sec_buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + + err = nvme_cli_security_receive(dev, &args); + if (err < 0) { + nvme_show_error("security receive: %s", nvme_strerror(errno)); + } else if (err != 0) { + nvme_show_status(err); + } else { + printf("NVME Security Receive Command Success\n"); + if (!cfg.raw_binary) + d(sec_buf, cfg.size, 16, 1); + else if (cfg.size) + d_raw((unsigned char *)sec_buf, cfg.size); + } + + return err; +} + +static int get_lba_status(int argc, char **argv, struct command *cmd, + struct plugin *plugin) +{ + const char *desc = "Information about potentially unrecoverable LBAs."; + const char *slba = + "Starting LBA(SLBA) in 64-bit address of the first logical block addressed by this command"; + const char *mndw = + "Maximum Number of Dwords(MNDW) specifies maximum number of dwords to return"; + const char *atype = "Action Type(ATYPE) specifies the mechanism\n" + "the controller uses in determining the LBA Status Descriptors to return."; + const char *rl = + "Range Length(RL) specifies the length of the range of contiguous LBAs beginning at SLBA"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + enum nvme_print_flags flags; + unsigned long buf_len; + int err; + + struct config { + __u32 namespace_id; + __u64 slba; + __u32 mndw; + __u8 atype; + __u16 rl; + __u32 timeout; + }; + + struct config cfg = { + .namespace_id = 0, + .slba = 0, + .mndw = 0, + .atype = 0, + .rl = 0, + .timeout = 0, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_SUFFIX("start-lba", 's', &cfg.slba, slba), + OPT_UINT("max-dw", 'm', &cfg.mndw, mndw), + OPT_BYTE("action", 'a', &cfg.atype, atype), + OPT_SHRT("range-len", 'l', &cfg.rl, rl), + OPT_UINT("timeout", 't', &cfg.timeout, timeout)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (!cfg.atype) { + nvme_show_error("action type (--action) has to be given"); + return -EINVAL; + } + + buf_len = (cfg.mndw + 1) * 4; + buf = nvme_alloc(buf_len); + if (!buf) + return -ENOMEM; + + struct nvme_get_lba_status_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .slba = cfg.slba, + .mndw = cfg.mndw, + .rl = cfg.rl, + .atype = cfg.atype, + .lbas = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_get_lba_status(&args); + if (!err) + nvme_show_lba_status(buf, buf_len, flags); + else if (err > 0) + nvme_show_status(err); + else + nvme_show_error("get lba status: %s", nvme_strerror(errno)); + + return err; +} + +static int capacity_mgmt(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Host software uses the Capacity Management command to\n" + "configure Endurance Groups and NVM Sets in an NVM subsystem by either\n" + "selecting one of a set of supported configurations or by specifying the\n" + "capacity of the Endurance Group or NVM Set to be created"; + const char *operation = "Operation to be performed by the controller"; + const char *element_id = "Value specific to the value of the Operation field."; + const char *cap_lower = + "Least significant 32 bits of the capacity in bytes of the Endurance Group or NVM Set to be created"; + const char *cap_upper = + "Most significant 32 bits of the capacity in bytes of the Endurance Group or NVM Set to be created"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err = -1; + __u32 result; + + struct config { + __u8 operation; + __u16 element_id; + __u32 dw11; + __u32 dw12; + }; + + struct config cfg = { + .operation = 0xff, + .element_id = 0xffff, + .dw11 = 0, + .dw12 = 0, + }; + + NVME_ARGS(opts, + OPT_BYTE("operation", 'O', &cfg.operation, operation), + OPT_SHRT("element-id", 'i', &cfg.element_id, element_id), + OPT_UINT("cap-lower", 'l', &cfg.dw11, cap_lower), + OPT_UINT("cap-upper", 'u', &cfg.dw12, cap_upper)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.operation > 0xf) { + nvme_show_error("invalid operation field: %u", cfg.operation); + return -1; + } + + struct nvme_capacity_mgmt_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .op = cfg.operation, + .element_id = cfg.element_id, + .cdw11 = cfg.dw11, + .cdw12 = cfg.dw12, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_capacity_mgmt(&args); + if (!err) { + printf("Capacity Management Command is Success\n"); + if (cfg.operation == 1) + printf("Created Element Identifier for Endurance Group is: %u\n", result); + else if (cfg.operation == 3) + printf("Created Element Identifier for NVM Set is: %u\n", result); + } else if (err > 0) { + nvme_show_status(err); + } else if (err < 0) { + nvme_show_error("capacity management: %s", nvme_strerror(errno)); + } + + return err; +} + +static int dir_receive(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Read directive parameters of the specified directive type."; + const char *nsr = "namespace stream requested"; + + enum nvme_print_flags flags = NORMAL; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_free_ void *buf = NULL; + __u32 result; + __u32 dw12 = 0; + int err; + + struct config { + __u32 namespace_id; + __u32 data_len; + bool raw_binary; + __u8 dtype; + __u16 dspec; + __u8 doper; + __u16 nsr; /* dw12 for NVME_DIR_ST_RCVOP_STATUS */ + bool human_readable; + }; + + struct config cfg = { + .namespace_id = 1, + .data_len = 0, + .raw_binary = false, + .dtype = 0, + .dspec = 0, + .doper = 0, + .nsr = 0, + .human_readable = false, + }; + + NVME_ARGS(opts, + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_id_desired), + OPT_UINT("data-len", 'l', &cfg.data_len, buf_len), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_directive), + OPT_BYTE("dir-type", 'D', &cfg.dtype, dtype), + OPT_SHRT("dir-spec", 'S', &cfg.dspec, dspec_w_dtype), + OPT_BYTE("dir-oper", 'O', &cfg.doper, doper), + OPT_SHRT("req-resource", 'r', &cfg.nsr, nsr), + OPT_FLAG("human-readable", 'H', &cfg.human_readable, human_readable_directive)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.human_readable) + flags |= VERBOSE; + if (cfg.raw_binary) + flags = BINARY; + + switch (cfg.dtype) { + case NVME_DIRECTIVE_DTYPE_IDENTIFY: + switch (cfg.doper) { + case NVME_DIRECTIVE_RECEIVE_IDENTIFY_DOPER_PARAM: + if (!cfg.data_len) + cfg.data_len = 4096; + break; + default: + nvme_show_error("invalid directive operations for Identify Directives"); + return -EINVAL; + } + break; + case NVME_DIRECTIVE_DTYPE_STREAMS: + switch (cfg.doper) { + case NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_PARAM: + if (!cfg.data_len) + cfg.data_len = 32; + break; + case NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_STATUS: + if (!cfg.data_len) + cfg.data_len = 128 * 1024; + break; + case NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_RESOURCE: + dw12 = cfg.nsr; + break; + default: + nvme_show_error("invalid directive operations for Streams Directives"); + return -EINVAL; + } + break; + default: + nvme_show_error("invalid directive type"); + return -EINVAL; + } + + if (cfg.data_len) { + buf = nvme_alloc(cfg.data_len); + if (!buf) + return -ENOMEM; + } + + struct nvme_directive_recv_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .nsid = cfg.namespace_id, + .dspec = cfg.dspec, + .doper = cfg.doper, + .dtype = cfg.dtype, + .cdw12 = dw12, + .data_len = cfg.data_len, + .data = buf, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = &result, + }; + err = nvme_directive_recv(&args); + if (!err) + nvme_directive_show(cfg.dtype, cfg.doper, cfg.dspec, cfg.namespace_id, + result, buf, cfg.data_len, flags); + else if (err > 0) + nvme_show_status(err); + else if (err < 0) + nvme_show_error("dir-receive: %s", nvme_strerror(errno)); + + return err; +} + +/* rpmb_cmd_option is defined in nvme-rpmb.c */ +extern int rpmb_cmd_option(int, char **, struct command *, struct plugin *); +static int rpmb_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + return rpmb_cmd_option(argc, argv, cmd, plugin); +} + +static int lockdown_cmd(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "The Lockdown command is used to control the\n" + "Command and Feature Lockdown capability which configures the\n" + "prohibition or allowance of execution of the specified command\n" + "or Set Features command targeting a specific Feature Identifier."; + const char *ofi_desc = "Opcode or Feature Identifier (OFI)\n" + "specifies the command opcode or Set Features Feature Identifier\n" + "identified by the Scope field."; + const char *ifc_desc = + "[0-3] Interface (INF) field identifies the interfaces affected by this command."; + const char *prhbt_desc = "[0-1]Prohibit(PRHBT) bit specifies whether\n" + "to prohibit or allow the command opcode or Set Features Feature\n" + "Identifier specified by this command."; + const char *scp_desc = + "[0-15]Scope(SCP) field specifies the contents of the Opcode or Feature Identifier field."; + const char *uuid_desc = "UUID Index - If this field is set to a non-zero\n" + "value, then the value of this field is the index of a UUID in the UUID\n" + "List that is used by the command.If this field is cleared to 0h,\n" + "then no UUID index is specified"; + + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + int err = -1; + + struct config { + __u8 ofi; + __u8 ifc; + __u8 prhbt; + __u8 scp; + __u8 uuid; + }; + + struct config cfg = { + .ofi = 0, + .ifc = 0, + .prhbt = 0, + .scp = 0, + .uuid = 0, + }; + + NVME_ARGS(opts, + OPT_BYTE("ofi", 'O', &cfg.ofi, ofi_desc), + OPT_BYTE("ifc", 'f', &cfg.ifc, ifc_desc), + OPT_BYTE("prhbt", 'p', &cfg.prhbt, prhbt_desc), + OPT_BYTE("scp", 's', &cfg.scp, scp_desc), + OPT_BYTE("uuid", 'U', &cfg.uuid, uuid_desc)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + /* check for input argument limit */ + if (cfg.ifc > 3) { + nvme_show_error("invalid interface settings:%d", cfg.ifc); + return -1; + } + if (cfg.prhbt > 1) { + nvme_show_error("invalid prohibit settings:%d", cfg.prhbt); + return -1; + } + if (cfg.scp > 15) { + nvme_show_error("invalid scope settings:%d", cfg.scp); + return -1; + } + if (cfg.uuid > 127) { + nvme_show_error("invalid UUID index settings:%d", cfg.uuid); + return -1; + } + + struct nvme_lockdown_args args = { + .args_size = sizeof(args), + .fd = dev_fd(dev), + .scp = cfg.scp, + .prhbt = cfg.prhbt, + .ifc = cfg.ifc, + .ofi = cfg.ofi, + .uuidx = cfg.uuid, + .timeout = NVME_DEFAULT_IOCTL_TIMEOUT, + .result = NULL, + }; + err = nvme_lockdown(&args); + if (err < 0) + nvme_show_error("lockdown: %s", nvme_strerror(errno)); + else if (err > 0) + nvme_show_status(err); + else + printf("Lockdown Command is Successful\n"); + + return err; +} + +static void passthru_print_read_output(struct passthru_config cfg, void *data, int dfd, void *mdata, + int mfd, int err) +{ + if (strlen(cfg.input_file)) { + if (write(dfd, (void *)data, cfg.data_len) < 0) + perror("failed to write data buffer"); + } else if (data) { + if (cfg.raw_binary) + d_raw((unsigned char *)data, cfg.data_len); + else if (!err) + d((unsigned char *)data, cfg.data_len, 16, 1); + } + if (cfg.metadata_len && cfg.metadata) { + if (strlen(cfg.metadata)) { + if (write(mfd, (void *)mdata, cfg.metadata_len) < 0) + perror("failed to write metadata buffer"); + } else { + if (cfg.raw_binary) + d_raw((unsigned char *)mdata, cfg.metadata_len); + else if (!err) + d((unsigned char *)mdata, cfg.metadata_len, 16, 1); + } + } +} + +static int passthru(int argc, char **argv, bool admin, + const char *desc, struct command *cmd) +{ + const char *opcode = "opcode (required)"; + const char *cflags = "command flags"; + const char *rsvd = "value for reserved field"; + const char *data_len = "data I/O length (bytes)"; + const char *metadata_len = "metadata seg. length (bytes)"; + const char *metadata = "metadata input or output file"; + const char *cdw2 = "command dword 2 value"; + const char *cdw3 = "command dword 3 value"; + const char *cdw10 = "command dword 10 value"; + const char *cdw11 = "command dword 11 value"; + const char *cdw12 = "command dword 12 value"; + const char *cdw13 = "command dword 13 value"; + const char *cdw14 = "command dword 14 value"; + const char *cdw15 = "command dword 15 value"; + const char *input = "data input or output file"; + const char *show = "print command before sending"; + const char *re = "set dataflow direction to receive"; + const char *wr = "set dataflow direction to send"; + const char *prefill = "prefill buffers with known byte-value, default 0"; + + _cleanup_huge_ struct nvme_mem_huge mh = { 0, }; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + _cleanup_file_ int dfd = -1, mfd = -1; + int flags; + int mode = 0644; + void *data = NULL; + _cleanup_free_ void *mdata = NULL; + int err = 0; + __u32 result; + const char *cmd_name = NULL; + struct timeval start_time, end_time; + + struct passthru_config cfg = { + .opcode = 0, + .flags = 0, + .prefill = 0, + .rsvd = 0, + .namespace_id = 0, + .data_len = 0, + .metadata_len = 0, + .timeout = 0, + .cdw2 = 0, + .cdw3 = 0, + .cdw10 = 0, + .cdw11 = 0, + .cdw12 = 0, + .cdw13 = 0, + .cdw14 = 0, + .cdw15 = 0, + .input_file = "", + .metadata = "", + .raw_binary = false, + .show_command = false, + .dry_run = false, + .read = false, + .write = false, + .latency = false, + }; + + NVME_ARGS(opts, + OPT_BYTE("opcode", 'O', &cfg.opcode, opcode), + OPT_BYTE("flags", 'f', &cfg.flags, cflags), + OPT_BYTE("prefill", 'p', &cfg.prefill, prefill), + OPT_SHRT("rsvd", 'R', &cfg.rsvd, rsvd), + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_UINT("data-len", 'l', &cfg.data_len, data_len), + OPT_UINT("metadata-len", 'm', &cfg.metadata_len, metadata_len), + OPT_UINT("timeout", 't', &cfg.timeout, timeout), + OPT_UINT("cdw2", '2', &cfg.cdw2, cdw2), + OPT_UINT("cdw3", '3', &cfg.cdw3, cdw3), + OPT_UINT("cdw10", '4', &cfg.cdw10, cdw10), + OPT_UINT("cdw11", '5', &cfg.cdw11, cdw11), + OPT_UINT("cdw12", '6', &cfg.cdw12, cdw12), + OPT_UINT("cdw13", '7', &cfg.cdw13, cdw13), + OPT_UINT("cdw14", '8', &cfg.cdw14, cdw14), + OPT_UINT("cdw15", '9', &cfg.cdw15, cdw15), + OPT_FILE("input-file", 'i', &cfg.input_file, input), + OPT_FILE("metadata", 'M', &cfg.metadata, metadata), + OPT_FLAG("raw-binary", 'b', &cfg.raw_binary, raw_dump), + OPT_FLAG("show-command", 's', &cfg.show_command, show), + OPT_FLAG("dry-run", 'd', &cfg.dry_run, dry), + OPT_FLAG("read", 'r', &cfg.read, re), + OPT_FLAG("write", 'w', &cfg.write, wr), + OPT_FLAG("latency", 'T', &cfg.latency, latency)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (cfg.opcode & 0x01) { + cfg.write = true; + flags = O_RDONLY; + dfd = mfd = STDIN_FILENO; + } + + if (cfg.opcode & 0x02) { + cfg.read = true; + flags = O_WRONLY | O_CREAT; + dfd = mfd = STDOUT_FILENO; + } + + if (strlen(cfg.input_file)) { + dfd = open(cfg.input_file, flags, mode); + if (dfd < 0) { + nvme_show_perror(cfg.input_file); + return -EINVAL; + } + } + + if (cfg.metadata && strlen(cfg.metadata)) { + mfd = open(cfg.metadata, flags, mode); + if (mfd < 0) { + nvme_show_perror(cfg.metadata); + return -EINVAL; + } + } + + if (cfg.metadata_len) { + mdata = malloc(cfg.metadata_len); + if (!mdata) + return -ENOMEM; + + if (cfg.write) { + if (read(mfd, mdata, cfg.metadata_len) < 0) { + err = -errno; + nvme_show_perror("failed to read metadata write buffer"); + return err; + } + } else { + memset(mdata, cfg.prefill, cfg.metadata_len); + } + } + + if (cfg.data_len) { + data = nvme_alloc_huge(cfg.data_len, &mh); + if (!data) + return -ENOMEM; + + memset(data, cfg.prefill, cfg.data_len); + if (!cfg.read && !cfg.write) { + nvme_show_error("data direction not given"); + return -EINVAL; + } else if (cfg.write) { + if (read(dfd, data, cfg.data_len) < 0) { + err = -errno; + nvme_show_error("failed to read write buffer %s", strerror(errno)); + return err; + } + } + } + + if (cfg.show_command || cfg.dry_run) { + printf("opcode : %02x\n", cfg.opcode); + printf("flags : %02x\n", cfg.flags); + printf("rsvd1 : %04x\n", cfg.rsvd); + printf("nsid : %08x\n", cfg.namespace_id); + printf("cdw2 : %08x\n", cfg.cdw2); + printf("cdw3 : %08x\n", cfg.cdw3); + printf("data_len : %08x\n", cfg.data_len); + printf("metadata_len : %08x\n", cfg.metadata_len); + printf("addr : %"PRIx64"\n", (uint64_t)(uintptr_t)data); + printf("metadata : %"PRIx64"\n", (uint64_t)(uintptr_t)mdata); + printf("cdw10 : %08x\n", cfg.cdw10); + printf("cdw11 : %08x\n", cfg.cdw11); + printf("cdw12 : %08x\n", cfg.cdw12); + printf("cdw13 : %08x\n", cfg.cdw13); + printf("cdw14 : %08x\n", cfg.cdw14); + printf("cdw15 : %08x\n", cfg.cdw15); + printf("timeout_ms : %08x\n", cfg.timeout); + } + if (cfg.dry_run) + return 0; + + gettimeofday(&start_time, NULL); + + if (admin) + err = nvme_cli_admin_passthru(dev, cfg.opcode, cfg.flags, + cfg.rsvd, + cfg.namespace_id, cfg.cdw2, + cfg.cdw3, cfg.cdw10, + cfg.cdw11, cfg.cdw12, cfg.cdw13, + cfg.cdw14, + cfg.cdw15, cfg.data_len, data, + cfg.metadata_len, + mdata, cfg.timeout, &result); + else + err = nvme_io_passthru(dev_fd(dev), cfg.opcode, cfg.flags, + cfg.rsvd, + cfg.namespace_id, cfg.cdw2, cfg.cdw3, + cfg.cdw10, + cfg.cdw11, cfg.cdw12, cfg.cdw13, + cfg.cdw14, + cfg.cdw15, cfg.data_len, data, + cfg.metadata_len, + mdata, cfg.timeout, &result); + + gettimeofday(&end_time, NULL); + cmd_name = nvme_cmd_to_string(admin, cfg.opcode); + if (cfg.latency) + printf("%s Command %s latency: %llu us\n", admin ? "Admin" : "IO", + strcmp(cmd_name, "Unknown") ? cmd_name : "Vendor Specific", + elapsed_utime(start_time, end_time)); + + if (err < 0) { + nvme_show_error("%s: %s", __func__, nvme_strerror(errno)); + } else if (err) { + nvme_show_status(err); + } else { + fprintf(stderr, "%s Command %s is Success and result: 0x%08x\n", admin ? "Admin" : "IO", + strcmp(cmd_name, "Unknown") ? cmd_name : "Vendor Specific", result); + if (cfg.read) + passthru_print_read_output(cfg, data, dfd, mdata, mfd, err); + } + + return err; +} + +static int io_passthru(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "Send a user-defined IO command to the specified device via IOCTL passthrough, return results."; + + return passthru(argc, argv, false, desc, cmd); +} + +static int admin_passthru(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "Send a user-defined Admin command to the specified device via IOCTL passthrough, return results."; + + return passthru(argc, argv, true, desc, cmd); +} + +static int gen_hostnqn_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + char *hostnqn; + + hostnqn = nvmf_hostnqn_generate(); + if (!hostnqn) { + nvme_show_error("\"%s\" not supported. Install lib uuid and rebuild.", + command->name); + return -ENOTSUP; + } + printf("%s\n", hostnqn); + free(hostnqn); + return 0; +} + +static int show_hostnqn_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + char *hostnqn; + + hostnqn = nvmf_hostnqn_from_file(); + if (!hostnqn) + hostnqn = nvmf_hostnqn_generate(); + + if (!hostnqn) { + nvme_show_error("hostnqn is not available -- use nvme gen-hostnqn"); + return -ENOENT; + } + + fprintf(stdout, "%s\n", hostnqn); + free(hostnqn); + + return 0; +} + + +static int gen_dhchap_key(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = + "Generate a DH-HMAC-CHAP host key usable for NVMe In-Band Authentication."; + const char *secret = + "Optional secret (in hexadecimal characters) to be used to initialize the host key."; + const char *key_len = "Length of the resulting key (32, 48, or 64 bytes)."; + const char *hmac = + "HMAC function to use for key transformation (0 = none, 1 = SHA-256, 2 = SHA-384, 3 = SHA-512)."; + const char *nqn = "Host NQN to use for key transformation."; + + unsigned char *raw_secret; + unsigned char key[68]; + char encoded_key[128]; + unsigned long crc = crc32(0L, NULL, 0); + int err = 0; + + struct config { + char *secret; + unsigned int key_len; + char *nqn; + unsigned int hmac; + }; + + struct config cfg = { + .secret = NULL, + .key_len = 0, + .nqn = NULL, + .hmac = 0, + }; + + NVME_ARGS(opts, + OPT_STR("secret", 's', &cfg.secret, secret), + OPT_UINT("key-length", 'l', &cfg.key_len, key_len), + OPT_STR("nqn", 'n', &cfg.nqn, nqn), + OPT_UINT("hmac", 'm', &cfg.hmac, hmac)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + + if (cfg.hmac > 3) { + nvme_show_error("Invalid HMAC identifier %u", cfg.hmac); + return -EINVAL; + } + if (cfg.hmac > 0) { + switch (cfg.hmac) { + case 1: + if (!cfg.key_len) { + cfg.key_len = 32; + } else if (cfg.key_len != 32) { + nvme_show_error("Invalid key length %d for SHA(256)", cfg.key_len); + return -EINVAL; + } + break; + case 2: + if (!cfg.key_len) { + cfg.key_len = 48; + } else if (cfg.key_len != 48) { + nvme_show_error("Invalid key length %d for SHA(384)", cfg.key_len); + return -EINVAL; + } + break; + case 3: + if (!cfg.key_len) { + cfg.key_len = 64; + } else if (cfg.key_len != 64) { + nvme_show_error("Invalid key length %d for SHA(512)", cfg.key_len); + return -EINVAL; + } + break; + default: + break; + } + } else if (!cfg.key_len) { + cfg.key_len = 32; + } + + if (cfg.key_len != 32 && cfg.key_len != 48 && cfg.key_len != 64) { + nvme_show_error("Invalid key length %u", cfg.key_len); + return -EINVAL; + } + raw_secret = malloc(cfg.key_len); + if (!raw_secret) + return -ENOMEM; + if (!cfg.secret) { + if (getrandom_bytes(raw_secret, cfg.key_len) < 0) + return -errno; + } else { + int secret_len = 0, i; + unsigned int c; + + for (i = 0; i < strlen(cfg.secret); i += 2) { + if (sscanf(&cfg.secret[i], "%02x", &c) != 1) { + nvme_show_error("Invalid secret '%s'", cfg.secret); + return -EINVAL; + } + raw_secret[secret_len++] = (unsigned char)c; + } + if (secret_len != cfg.key_len) { + nvme_show_error("Invalid key length (%d bytes)", secret_len); + return -EINVAL; + } + } + + if (!cfg.nqn) { + cfg.nqn = nvmf_hostnqn_from_file(); + if (!cfg.nqn) { + nvme_show_error("Could not read host NQN"); + return -ENOENT; + } + } + + if (nvme_gen_dhchap_key(cfg.nqn, cfg.hmac, cfg.key_len, raw_secret, key) < 0) + return -errno; + + crc = crc32(crc, key, cfg.key_len); + key[cfg.key_len++] = crc & 0xff; + key[cfg.key_len++] = (crc >> 8) & 0xff; + key[cfg.key_len++] = (crc >> 16) & 0xff; + key[cfg.key_len++] = (crc >> 24) & 0xff; + + memset(encoded_key, 0, sizeof(encoded_key)); + base64_encode(key, cfg.key_len, encoded_key); + + printf("DHHC-1:%02x:%s:\n", cfg.hmac, encoded_key); + return 0; +} + +static int check_dhchap_key(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = + "Check a DH-HMAC-CHAP host key for usability for NVMe In-Band Authentication."; + const char *key = "DH-HMAC-CHAP key (in hexadecimal characters) to be validated."; + + unsigned char decoded_key[128]; + unsigned int decoded_len; + u_int32_t crc = crc32(0L, NULL, 0); + u_int32_t key_crc; + int err = 0, hmac; + struct config { + char *key; + }; + + struct config cfg = { + .key = NULL, + }; + + NVME_ARGS(opts, + OPT_STR("key", 'k', &cfg.key, key)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.key) { + nvme_show_error("Key not specified"); + return -EINVAL; + } + + if (sscanf(cfg.key, "DHHC-1:%02x:*s", &hmac) != 1) { + nvme_show_error("Invalid key header '%s'", cfg.key); + return -EINVAL; + } + switch (hmac) { + case 0: + break; + case 1: + if (strlen(cfg.key) != 59) { + nvme_show_error("Invalid key length for SHA(256)"); + return -EINVAL; + } + break; + case 2: + if (strlen(cfg.key) != 83) { + nvme_show_error("Invalid key length for SHA(384)"); + return -EINVAL; + } + break; + case 3: + if (strlen(cfg.key) != 103) { + nvme_show_error("Invalid key length for SHA(512)"); + return -EINVAL; + } + break; + default: + nvme_show_error("Invalid HMAC identifier %d", hmac); + return -EINVAL; + } + + err = base64_decode(cfg.key + 10, strlen(cfg.key) - 11, decoded_key); + if (err < 0) { + nvme_show_error("Base64 decoding failed, error %d", err); + return err; + } + decoded_len = err; + if (decoded_len < 32) { + nvme_show_error("Base64 decoding failed (%s, size %u)", cfg.key + 10, decoded_len); + return -EINVAL; + } + decoded_len -= 4; + if (decoded_len != 32 && decoded_len != 48 && decoded_len != 64) { + nvme_show_error("Invalid key length %d", decoded_len); + return -EINVAL; + } + crc = crc32(crc, decoded_key, decoded_len); + key_crc = ((u_int32_t)decoded_key[decoded_len]) | + ((u_int32_t)decoded_key[decoded_len + 1] << 8) | + ((u_int32_t)decoded_key[decoded_len + 2] << 16) | + ((u_int32_t)decoded_key[decoded_len + 3] << 24); + if (key_crc != crc) { + nvme_show_error("CRC mismatch (key %08x, crc %08x)", key_crc, crc); + return -EINVAL; + } + printf("Key is valid (HMAC %d, length %d, CRC %08x)\n", hmac, decoded_len, crc); + return 0; +} + +static int gen_tls_key(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Generate a TLS key in NVMe PSK Interchange format."; + const char *secret = + "Optional secret (in hexadecimal characters) to be used for the TLS key."; + const char *hmac = "HMAC function to use for the retained key (1 = SHA-256, 2 = SHA-384)."; + const char *identity = "TLS identity version to use (0 = NVMe TCP 1.0c, 1 = NVMe TCP 2.0"; + const char *hostnqn = "Host NQN for the retained key."; + const char *subsysnqn = "Subsystem NQN for the retained key."; + const char *keyring = "Keyring for the retained key."; + const char *keytype = "Key type of the retained key."; + const char *insert = "Insert only, do not print the retained key."; + + unsigned char *raw_secret; + char encoded_key[128]; + int key_len = 32; + unsigned long crc = crc32(0L, NULL, 0); + int err; + long tls_key; + + struct config { + char *keyring; + char *keytype; + char *hostnqn; + char *subsysnqn; + char *secret; + unsigned int hmac; + unsigned int identity; + bool insert; + }; + + struct config cfg = { + .keyring = ".nvme", + .keytype = "psk", + .hostnqn = NULL, + .subsysnqn = NULL, + .secret = NULL, + .hmac = 1, + .identity = 0, + .insert = false, + }; + + NVME_ARGS(opts, + OPT_STR("keyring", 'k', &cfg.keyring, keyring), + OPT_STR("keytype", 't', &cfg.keytype, keytype), + OPT_STR("hostnqn", 'n', &cfg.hostnqn, hostnqn), + OPT_STR("subsysnqn", 'c', &cfg.subsysnqn, subsysnqn), + OPT_STR("secret", 's', &cfg.secret, secret), + OPT_UINT("hmac", 'm', &cfg.hmac, hmac), + OPT_UINT("identity", 'I', &cfg.identity, identity), + OPT_FLAG("insert", 'i', &cfg.insert, insert)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + if (cfg.hmac < 1 || cfg.hmac > 2) { + nvme_show_error("Invalid HMAC identifier %u", cfg.hmac); + return -EINVAL; + } + if (cfg.identity > 1) { + nvme_show_error("Invalid TLS identity version %u", + cfg.identity); + return -EINVAL; + } + if (cfg.insert) { + if (!cfg.subsysnqn) { + nvme_show_error("No subsystem NQN specified"); + return -EINVAL; + } + if (!cfg.hostnqn) { + cfg.hostnqn = nvmf_hostnqn_from_file(); + if (!cfg.hostnqn) { + nvme_show_error("Failed to read host NQN"); + return -EINVAL; + } + } + } + if (cfg.hmac == 2) + key_len = 48; + + raw_secret = malloc(key_len + 4); + if (!raw_secret) + return -ENOMEM; + if (!cfg.secret) { + if (getrandom_bytes(raw_secret, key_len) < 0) + return -errno; + } else { + int secret_len = 0, i; + unsigned int c; + + for (i = 0; i < strlen(cfg.secret); i += 2) { + if (sscanf(&cfg.secret[i], "%02x", &c) != 1) { + nvme_show_error("Invalid secret '%s'", cfg.secret); + return -EINVAL; + } + if (i >= key_len * 2) { + fprintf(stderr, "Skipping excess secret bytes\n"); + break; + } + raw_secret[secret_len++] = (unsigned char)c; + } + if (secret_len != key_len) { + nvme_show_error("Invalid key length (%d bytes)", secret_len); + return -EINVAL; + } + } + + if (cfg.insert) { + tls_key = nvme_insert_tls_key_versioned(cfg.keyring, + cfg.keytype, cfg.hostnqn, + cfg.subsysnqn, cfg.identity, + cfg.hmac, raw_secret, key_len); + if (tls_key < 0) { + nvme_show_error("Failed to insert key, error %d", errno); + return -errno; + } + + printf("Inserted TLS key %08x\n", (unsigned int)tls_key); + return 0; + } + crc = crc32(crc, raw_secret, key_len); + raw_secret[key_len++] = crc & 0xff; + raw_secret[key_len++] = (crc >> 8) & 0xff; + raw_secret[key_len++] = (crc >> 16) & 0xff; + raw_secret[key_len++] = (crc >> 24) & 0xff; + + memset(encoded_key, 0, sizeof(encoded_key)); + base64_encode(raw_secret, key_len, encoded_key); + + printf("NVMeTLSkey-1:%02x:%s:\n", cfg.hmac, encoded_key); + return 0; +} + +static int check_tls_key(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Check a TLS key for NVMe PSK Interchange format.\n"; + const char *keydata = "TLS key (in PSK Interchange format) to be validated."; + const char *identity = "TLS identity version to use (0 = NVMe TCP 1.0c, 1 = NVMe TCP 2.0)"; + const char *hostnqn = "Host NQN for the retained key."; + const char *subsysnqn = "Subsystem NQN for the retained key."; + const char *keyring = "Keyring for the retained key."; + const char *keytype = "Key type of the retained key."; + const char *insert = "Insert retained key into the keyring."; + + unsigned char decoded_key[128]; + unsigned int decoded_len; + u_int32_t crc = crc32(0L, NULL, 0); + u_int32_t key_crc; + int err = 0, hmac; + long tls_key; + struct config { + char *keyring; + char *keytype; + char *hostnqn; + char *subsysnqn; + char *keydata; + unsigned int identity; + bool insert; + }; + + struct config cfg = { + .keyring = ".nvme", + .keytype = "psk", + .hostnqn = NULL, + .subsysnqn = NULL, + .keydata = NULL, + .identity = 0, + .insert = false, + }; + + NVME_ARGS(opts, + OPT_STR("keyring", 'k', &cfg.keyring, keyring), + OPT_STR("keytype", 't', &cfg.keytype, keytype), + OPT_STR("hostnqn", 'n', &cfg.hostnqn, hostnqn), + OPT_STR("subsysnqn", 'c', &cfg.subsysnqn, subsysnqn), + OPT_STR("keydata", 'd', &cfg.keydata, keydata), + OPT_UINT("identity", 'I', &cfg.identity, identity), + OPT_FLAG("insert", 'i', &cfg.insert, insert)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + + if (!cfg.keydata) { + nvme_show_error("No key data"); + return -EINVAL; + } + if (cfg.identity > 1) { + nvme_show_error("Invalid TLS identity version %u", + cfg.identity); + return -EINVAL; + } + + if (sscanf(cfg.keydata, "NVMeTLSkey-1:%02x:*s", &hmac) != 1) { + nvme_show_error("Invalid key '%s'", cfg.keydata); + return -EINVAL; + } + switch (hmac) { + case 1: + if (strlen(cfg.keydata) != 65) { + nvme_show_error("Invalid key length %zu for SHA(256)", strlen(cfg.keydata)); + return -EINVAL; + } + break; + case 2: + if (strlen(cfg.keydata) != 89) { + nvme_show_error("Invalid key length %zu for SHA(384)", strlen(cfg.keydata)); + return -EINVAL; + } + break; + default: + nvme_show_error("Invalid HMAC identifier %d", hmac); + return -EINVAL; + } + + if (cfg.subsysnqn) { + if (cfg.insert && !cfg.hostnqn) { + cfg.hostnqn = nvmf_hostnqn_from_file(); + if (!cfg.hostnqn) { + nvme_show_error("Failed to read host NQN"); + return -EINVAL; + } + } + } else if (cfg.insert || cfg.identity == 1) { + nvme_show_error("Need to specify a subsystem NQN"); + return -EINVAL; + } + err = base64_decode(cfg.keydata + 16, strlen(cfg.keydata) - 17, decoded_key); + if (err < 0) { + nvme_show_error("Base64 decoding failed (%s, error %d)", cfg.keydata + 16, err); + return err; + } + decoded_len = err; + decoded_len -= 4; + if (decoded_len != 32 && decoded_len != 48) { + nvme_show_error("Invalid key length %d", decoded_len); + return -EINVAL; + } + crc = crc32(crc, decoded_key, decoded_len); + key_crc = ((u_int32_t)decoded_key[decoded_len]) | + ((u_int32_t)decoded_key[decoded_len + 1] << 8) | + ((u_int32_t)decoded_key[decoded_len + 2] << 16) | + ((u_int32_t)decoded_key[decoded_len + 3] << 24); + if (key_crc != crc) { + nvme_show_error("CRC mismatch (key %08x, crc %08x)", key_crc, crc); + return -EINVAL; + } + if (cfg.insert) { + tls_key = nvme_insert_tls_key_versioned(cfg.keyring, + cfg.keytype, cfg.hostnqn, + cfg.subsysnqn, cfg.identity, + hmac, decoded_key, decoded_len); + if (tls_key < 0) { + nvme_show_error("Failed to insert key, error %d", errno); + return -errno; + } + printf("Inserted TLS key %08x\n", (unsigned int)tls_key); + } else { + char *tls_id; + + tls_id = nvme_generate_tls_key_identity(cfg.hostnqn, + cfg.subsysnqn, cfg.identity, + hmac, decoded_key, decoded_len); + if (!tls_id) { + nvme_show_error("Failed to generate identity, error %d", + errno); + return -errno; + } + printf("%s\n", tls_id); + free(tls_id); + } + return 0; +} + +static int show_topology_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Show the topology\n"; + const char *ranking = "Ranking order: namespace|ctrl"; + enum nvme_print_flags flags; + nvme_root_t r; + enum nvme_cli_topo_ranking rank; + int err; + + struct config { + char *ranking; + }; + + struct config cfg = { + .ranking = "namespace", + }; + + NVME_ARGS(opts, + OPT_FMT("ranking", 'r', &cfg.ranking, ranking)); + + err = argconfig_parse(argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format_val, &flags); + if (err < 0) { + nvme_show_error("Invalid output format"); + return err; + } + + if (argconfig_parse_seen(opts, "verbose")) + flags |= VERBOSE; + + if (!strcmp(cfg.ranking, "namespace")) { + rank = NVME_CLI_TOPO_NAMESPACE; + } else if (!strcmp(cfg.ranking, "ctrl")) { + rank = NVME_CLI_TOPO_CTRL; + } else { + nvme_show_error("Invalid ranking argument: %s", cfg.ranking); + return -EINVAL; + } + + r = nvme_create_root(stderr, map_log_level(!!(flags & VERBOSE), false)); + if (!r) { + nvme_show_error("Failed to create topology root: %s", nvme_strerror(errno)); + return -errno; + } + + err = nvme_scan_topology(r, NULL, NULL); + if (err < 0) { + nvme_show_error("Failed to scan topology: %s", nvme_strerror(errno)); + nvme_free_tree(r); + return err; + } + + nvme_show_topology(r, rank, flags); + nvme_free_tree(r); + + return err; +} + +static int discover_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Send Get Log Page request to Discovery Controller."; + + return nvmf_discover(desc, argc, argv, false); +} + +static int connect_all_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Discover NVMeoF subsystems and connect to them"; + + return nvmf_discover(desc, argc, argv, true); +} + +static int connect_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Connect to NVMeoF subsystem"; + + return nvmf_connect(desc, argc, argv); +} + +static int disconnect_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Disconnect from NVMeoF subsystem"; + + return nvmf_disconnect(desc, argc, argv); +} + +int disconnect_all_cmd(int argc, char **argv, struct command *command, + struct plugin *plugin) +{ + const char *desc = "Disconnect from all connected NVMeoF subsystems"; + + return nvmf_disconnect_all(desc, argc, argv); +} + +static int config_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = "Configuration of NVMeoF subsystems"; + + return nvmf_config(desc, argc, argv); +} + +static int dim_cmd(int argc, char **argv, struct command *command, struct plugin *plugin) +{ + const char *desc = + "Send Discovery Information Management command to a Discovery Controller (DC)"; + + return nvmf_dim(desc, argc, argv); +} + +static int nvme_mi(int argc, char **argv, __u8 admin_opcode, const char *desc) +{ + const char *opcode = "opcode (required)"; + const char *data_len = "data I/O length (bytes)"; + const char *nmimt = "nvme-mi message type"; + const char *nmd0 = "nvme management dword 0 value"; + const char *nmd1 = "nvme management dword 1 value"; + const char *input = "data input or output file"; + + int mode = 0644; + void *data = NULL; + int err = 0; + bool send; + _cleanup_file_ int fd = -1; + int flags; + _cleanup_huge_ struct nvme_mem_huge mh = { 0, }; + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + __u32 result; + + struct config { + __u8 opcode; + __u32 namespace_id; + __u32 data_len; + __u32 nmimt; + __u32 nmd0; + __u32 nmd1; + char *input_file; + }; + + struct config cfg = { + .opcode = 0, + .namespace_id = 0, + .data_len = 0, + .nmimt = 0, + .nmd0 = 0, + .nmd1 = 0, + .input_file = "", + }; + + NVME_ARGS(opts, + OPT_BYTE("opcode", 'O', &cfg.opcode, opcode), + OPT_UINT("namespace-id", 'n', &cfg.namespace_id, namespace_desired), + OPT_UINT("data-len", 'l', &cfg.data_len, data_len), + OPT_UINT("nmimt", 'm', &cfg.nmimt, nmimt), + OPT_UINT("nmd0", '0', &cfg.nmd0, nmd0), + OPT_UINT("nmd1", '1', &cfg.nmd1, nmd1), + OPT_FILE("input-file", 'i', &cfg.input_file, input)); + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + if (admin_opcode == nvme_admin_nvme_mi_send) { + flags = O_RDONLY; + fd = STDIN_FILENO; + send = true; + } else { + flags = O_WRONLY | O_CREAT; + fd = STDOUT_FILENO; + send = false; + } + + if (strlen(cfg.input_file)) { + fd = open(cfg.input_file, flags, mode); + if (fd < 0) { + nvme_show_perror(cfg.input_file); + return -EINVAL; + } + } + + if (cfg.data_len) { + data = nvme_alloc_huge(cfg.data_len, &mh); + if (!data) + return -ENOMEM; + + if (send) { + if (read(fd, data, cfg.data_len) < 0) { + err = -errno; + nvme_show_error("failed to read write buffer %s", strerror(errno)); + return err; + } + } + } + + err = nvme_cli_admin_passthru(dev, admin_opcode, 0, 0, cfg.namespace_id, 0, 0, + cfg.nmimt << 11 | 4, cfg.opcode, cfg.nmd0, cfg.nmd1, 0, 0, + cfg.data_len, data, 0, NULL, 0, &result); + if (err < 0) { + nvme_show_error("nmi_recv: %s", nvme_strerror(errno)); + } else if (err) { + nvme_show_status(err); + } else { + printf( + "%s Command is Success and result: 0x%08x (status: 0x%02x, response: 0x%06x)\n", + nvme_cmd_to_string(true, admin_opcode), result, result & 0xff, result >> 8); + if (result & 0xff) + printf("status: %s\n", nvme_mi_status_to_string(result & 0xff)); + if (!send && strlen(cfg.input_file)) { + if (write(fd, (void *)data, cfg.data_len) < 0) + perror("failed to write data buffer"); + } else if (data && !send && !err) { + d((unsigned char *)data, cfg.data_len, 16, 1); + } + } + + return err; +} + +static int nmi_recv(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = + "Send a NVMe-MI Receive command to the specified device, return results."; + + return nvme_mi(argc, argv, nvme_admin_nvme_mi_recv, desc); +} + +static int nmi_send(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Send a NVMe-MI Send command to the specified device, return results."; + + return nvme_mi(argc, argv, nvme_admin_nvme_mi_send, desc); +} + +void register_extension(struct plugin *plugin) +{ + plugin->parent = &nvme; + nvme.extensions->tail->next = plugin; + nvme.extensions->tail = plugin; +} + +int main(int argc, char **argv) +{ + int err; + + nvme.extensions->parent = &nvme; + if (argc < 2) { + general_help(&builtin); + return 0; + } + setlocale(LC_ALL, ""); + + err = handle_plugin(argc - 1, &argv[1], nvme.extensions); + if (err == -ENOTTY) + general_help(&builtin); + + return err ? 1 : 0; +} |