From f26f66d866ba1a9f3204e6fdfe2b07e67b5492ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:41:32 +0200 Subject: Adding upstream version 2.8. Signed-off-by: Daniel Baumann --- plugins/solidigm/solidigm-get-drive-info.c | 79 ++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 plugins/solidigm/solidigm-get-drive-info.c (limited to 'plugins/solidigm/solidigm-get-drive-info.c') diff --git a/plugins/solidigm/solidigm-get-drive-info.c b/plugins/solidigm/solidigm-get-drive-info.c new file mode 100644 index 0000000..21f59bb --- /dev/null +++ b/plugins/solidigm/solidigm-get-drive-info.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2023 Solidigm. + * + * Authors: leonardo.da.cunha@solidigm.com + */ + +#include +#include "nvme-print.h" +#include "nvme-wrap.h" +#include "common.h" + +int sldgm_get_drive_info(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + _cleanup_nvme_dev_ struct nvme_dev *dev = NULL; + const char *desc = "Get drive HW information"; + const char *FTL_unit_size_str = "FTL_unit_size"; + char *output_format = "normal"; + enum nvme_print_flags flags; + nvme_root_t r; + nvme_ctrl_t c; + nvme_ns_t n; + struct nvme_id_ns ns = { 0 }; + __u8 flbaf_inUse; + __u16 lba_size; + __u16 ftl_unit_size; + int err; + + OPT_ARGS(opts) = { + OPT_FMT("output-format", 'o', &output_format, "normal|json"), + OPT_END() + }; + + err = parse_and_open(&dev, argc, argv, desc, opts); + if (err) + return err; + + err = validate_output_format(output_format, &flags); + if ((err < 0) || !(flags == NORMAL || flags == JSON)) { + nvme_show_error("Invalid output format"); + return err; + } + + r = nvme_scan(NULL); + c = nvme_scan_ctrl(r, dev->name); + n = c ? nvme_ctrl_first_ns(c) : nvme_scan_namespace(dev->name); + if (!n) { + nvme_show_error("solidigm-vs-drive-info: drive missing namespace"); + return -EINVAL; + } + + err = nvme_ns_identify(n, &ns); + if (err) { + nvme_show_error("identify namespace: %s", nvme_strerror(errno)); + return err; + } + + if (!(ns.nsfeat & 0x10)) { + nvme_show_error("solidigm-vs-drive-info: performance options not available"); + return -EINVAL; + } + + nvme_id_ns_flbas_to_lbaf_inuse(ns.flbas, &flbaf_inUse); + lba_size = 1 << ns.lbaf[flbaf_inUse].ds; + ftl_unit_size = (le16_to_cpu(ns.npwg) + 1) * lba_size / 1024; + + if (flags == JSON) { + struct json_object *root = json_create_object(); + + json_object_add_value_int(root, FTL_unit_size_str, ftl_unit_size); + json_print_object(root, NULL); + printf("\n"); + json_free_object(root); + } else { + printf("%s: %d\n", FTL_unit_size_str, ftl_unit_size); + } + + return err; +} -- cgit v1.2.3