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-rw-r--r--plugins/huawei/huawei-nvme.c389
-rw-r--r--plugins/huawei/huawei-nvme.h19
2 files changed, 408 insertions, 0 deletions
diff --git a/plugins/huawei/huawei-nvme.c b/plugins/huawei/huawei-nvme.c
new file mode 100644
index 0000000..572086c
--- /dev/null
+++ b/plugins/huawei/huawei-nvme.c
@@ -0,0 +1,389 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2017-2019 Huawei Corporation or its affiliates.
+ *
+ * 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.
+ *
+ * Author: Zou Ming<zouming.zouming@huawei.com>,
+ * Yang Feng <philip.yang@huawei.com>
+ */
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <dirent.h>
+
+#include <sys/stat.h>
+
+#include "common.h"
+#include "nvme.h"
+#include "libnvme.h"
+#include "plugin.h"
+
+#include "util/suffix.h"
+
+#define CREATE_CMD
+#include "huawei-nvme.h"
+
+#define HW_SSD_PCI_VENDOR_ID 0x19E5
+#define ARRAY_NAME_LEN 80
+#define NS_NAME_LEN 40
+
+#define MIN_ARRAY_NAME_LEN 16
+#define MIN_NS_NAME_LEN 16
+
+struct huawei_list_item {
+ char node[1024];
+ struct nvme_id_ctrl ctrl;
+ unsigned nsid;
+ struct nvme_id_ns ns;
+ unsigned block;
+ char ns_name[NS_NAME_LEN];
+ char array_name[ARRAY_NAME_LEN];
+ bool huawei_device;
+};
+
+struct huawei_list_element_len {
+ unsigned int node;
+ unsigned int ns_name;
+ unsigned int nguid;
+ unsigned int ns_id;
+ unsigned int usage;
+ unsigned int array_name;
+};
+
+static int huawei_get_nvme_info(int fd, struct huawei_list_item *item, const char *node)
+{
+ int err;
+ int len;
+ struct stat nvme_stat_info;
+
+ memset(item, 0, sizeof(*item));
+
+ err = nvme_identify_ctrl(fd, &item->ctrl);
+ if (err)
+ return err;
+
+ /*identify huawei device*/
+ if (strstr(item->ctrl.mn, "Huawei") == NULL &&
+ le16_to_cpu(item->ctrl.vid) != HW_SSD_PCI_VENDOR_ID) {
+ item->huawei_device = false;
+ return 0;
+ }
+
+ item->huawei_device = true;
+ err = nvme_get_nsid(fd, &item->nsid);
+ err = nvme_identify_ns(fd, item->nsid, &item->ns);
+ if (err)
+ return err;
+
+ err = fstat(fd, &nvme_stat_info);
+ if (err < 0)
+ return err;
+
+ strncpy(item->node, node, sizeof(item->node));
+ item->node[sizeof(item->node) - 1] = '\0';
+ item->block = S_ISBLK(nvme_stat_info.st_mode);
+
+ if (item->ns.vs[0] == 0) {
+
+ len = snprintf(item->ns_name, NS_NAME_LEN, "%s", "----");
+ if (len < 0)
+ return -EINVAL;
+ }
+ else {
+ memcpy(item->ns_name, item->ns.vs, NS_NAME_LEN);
+ item->ns_name[NS_NAME_LEN - 1] = '\0';
+ }
+
+ if (item->ctrl.vs[0] == 0) {
+
+ len = snprintf(item->array_name, ARRAY_NAME_LEN, "%s", "----");
+ if (len < 0)
+ return -EINVAL;
+ }
+ else {
+ memcpy(item->array_name, item->ctrl.vs, ARRAY_NAME_LEN);
+ item->array_name[ARRAY_NAME_LEN - 1] = '\0';
+ }
+ return 0;
+}
+
+static void format(char *formatter, size_t fmt_sz, char *tofmt, size_t tofmtsz)
+{
+
+ fmt_sz = snprintf(formatter,fmt_sz, "%-*.*s",
+ (int)tofmtsz, (int)tofmtsz, tofmt);
+ /* trim() the obnoxious trailing white lines */
+ while (fmt_sz) {
+ if (formatter[fmt_sz - 1] != ' ' && formatter[fmt_sz - 1] != '\0') {
+ formatter[fmt_sz] = '\0';
+ break;
+ }
+ fmt_sz--;
+ }
+}
+
+static void huawei_json_print_list_items(struct huawei_list_item *list_items,
+ unsigned len)
+{
+ struct json_object *root;
+ struct json_object *devices;
+ struct json_object *device_attrs;
+ char formatter[128] = { 0 };
+ int index, i = 0;
+
+ root = json_create_object();
+ devices = json_create_array();
+ for (i = 0; i < len; i++) {
+ device_attrs = json_create_object();
+
+ json_object_add_value_string(device_attrs,
+ "DevicePath",
+ list_items[i].node);
+
+ if (sscanf(list_items[i].node, "/dev/nvme%d", &index) == 1)
+ json_object_add_value_int(device_attrs,
+ "Index",
+ index);
+
+ format(formatter, sizeof(formatter),
+ list_items[i].ns_name,
+ sizeof(list_items[i].ns_name));
+
+ json_object_add_value_string(device_attrs,
+ "NS Name",
+ formatter);
+
+ format(formatter, sizeof(formatter),
+ list_items[i].array_name,
+ sizeof(list_items[i].array_name));
+
+ json_object_add_value_string(device_attrs,
+ "Array Name",
+ formatter);
+
+ json_array_add_value_object(devices, device_attrs);
+ }
+ json_object_add_value_array(root, "Devices", devices);
+ json_print_object(root, NULL);
+ printf("\n");
+ json_free_object(root);
+}
+
+static void huawei_print_list_head(struct huawei_list_element_len element_len)
+{
+ char dash[128];
+ int i;
+
+ for (i = 0; i < 128; i++)
+ dash[i] = '-';
+ dash[127] = '\0';
+
+ printf("%-*.*s %-*.*s %-*.*s %-*.*s %-*.*s %-*.*s\n",
+ element_len.node, element_len.node, "Node",
+ element_len.ns_name, element_len.ns_name, "NS Name",
+ element_len.nguid, element_len.nguid, "Nguid",
+ element_len.ns_id, element_len.ns_id, "NS ID",
+ element_len.usage, element_len.usage, "Usage",
+ element_len.array_name, element_len.array_name, "Array Name");
+
+ printf("%-.*s %-.*s %-.*s %-.*s %-.*s %-.*s\n",
+ element_len.node, dash, element_len.ns_name, dash,
+ element_len.nguid, dash, element_len.ns_id, dash,
+ element_len.usage, dash, element_len.array_name, dash);
+}
+
+static void huawei_print_list_item(struct huawei_list_item *list_item,
+ struct huawei_list_element_len element_len)
+{
+ __u8 lba_index;
+ nvme_id_ns_flbas_to_lbaf_inuse(list_item->ns.flbas, &lba_index);
+ unsigned long long int lba = 1ULL << list_item->ns.lbaf[lba_index].ds;
+ double nsze = le64_to_cpu(list_item->ns.nsze) * lba;
+ double nuse = le64_to_cpu(list_item->ns.nuse) * lba;
+
+ const char *s_suffix = suffix_si_get(&nsze);
+ const char *u_suffix = suffix_si_get(&nuse);
+
+ char usage[128];
+ char nguid_buf[2 * sizeof(list_item->ns.nguid) + 1];
+ char *nguid = nguid_buf;
+ int i;
+
+ sprintf(usage,"%6.2f %2sB / %6.2f %2sB", nuse, u_suffix,
+ nsze, s_suffix);
+
+ memset(nguid, 0, sizeof(nguid_buf));
+ for (i = 0; i < sizeof(list_item->ns.nguid); i++)
+ nguid += sprintf(nguid, "%02x", list_item->ns.nguid[i]);
+
+ printf("%-*.*s %-*.*s %-*.*s %-*d %-*.*s %-*.*s\n",
+ element_len.node, element_len.node, list_item->node,
+ element_len.ns_name, element_len.ns_name, list_item->ns_name,
+ element_len.nguid, element_len.nguid, nguid_buf,
+ element_len.ns_id, list_item->nsid,
+ element_len.usage, element_len.usage, usage,
+ element_len.array_name, element_len.array_name,
+ list_item->array_name);
+
+}
+
+static unsigned int choose_len(unsigned int old_len, unsigned int cur_len, unsigned int default_len)
+{
+ unsigned int temp_len;
+
+ temp_len = (cur_len > default_len) ? cur_len : default_len;
+ if (temp_len > old_len)
+ {
+ return temp_len;
+ }
+ return old_len;
+}
+
+static unsigned int huawei_get_ns_len(struct huawei_list_item *list_items, unsigned len, unsigned default_len)
+{
+ int i;
+ unsigned int min_len = default_len;
+
+ for (i = 0 ; i < len ; i++)
+ min_len = choose_len(min_len , strlen(list_items->ns_name), default_len);
+
+ return min_len;
+}
+
+static int huawei_get_array_len(struct huawei_list_item *list_items, unsigned len, unsigned default_len)
+{
+ int i;
+ int min_len = default_len;
+
+ for (i = 0 ; i < len ; i++)
+ min_len = choose_len(min_len , strlen(list_items->array_name), default_len);
+
+ return min_len;
+}
+
+static void huawei_print_list_items(struct huawei_list_item *list_items, unsigned len)
+{
+ unsigned i;
+ struct huawei_list_element_len element_len;
+
+ element_len.node = 16;
+ element_len.nguid = 2 * sizeof(list_items->ns.nguid) + 1;
+ element_len.ns_id = 9;
+ element_len.usage = 26;
+ element_len.ns_name = huawei_get_ns_len(list_items, len, MIN_NS_NAME_LEN);
+ element_len.array_name = huawei_get_array_len(list_items, len, MIN_ARRAY_NAME_LEN);
+
+ huawei_print_list_head(element_len);
+
+ for (i = 0 ; i < len ; i++)
+ huawei_print_list_item(&list_items[i], element_len);
+}
+
+static int huawei_list(int argc, char **argv, struct command *command,
+ struct plugin *plugin)
+{
+ char path[264];
+ struct dirent **devices;
+ struct huawei_list_item *list_items;
+ unsigned int i, n, ret;
+ unsigned int huawei_num = 0;
+ int fmt;
+ const char *desc = "Retrieve basic information for the given huawei device";
+ struct config {
+ char *output_format;
+ };
+
+ struct config cfg = {
+ .output_format = "normal",
+ };
+
+ OPT_ARGS(opts) = {
+ OPT_FMT("output-format", 'o', &cfg.output_format, "Output Format: normal|json"),
+ OPT_END()
+ };
+
+ ret = argconfig_parse(argc, argv, desc, opts);
+ if (ret)
+ return ret;
+
+ fmt = validate_output_format(cfg.output_format);
+ if (fmt != JSON && fmt != NORMAL)
+ return -EINVAL;
+
+ n = scandir("/dev", &devices, nvme_namespace_filter, alphasort);
+ if (n <= 0)
+ return n;
+
+ list_items = calloc(n, sizeof(*list_items));
+ if (!list_items) {
+ fprintf(stderr, "can not allocate controller list payload\n");
+ ret = ENOMEM;
+ goto out_free_devices;
+ }
+
+ for (i = 0; i < n; i++) {
+ int fd;
+
+ snprintf(path, sizeof(path), "/dev/%s", devices[i]->d_name);
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "Cannot open device %s: %s\n",
+ path, strerror(errno));
+ continue;
+ }
+ ret = huawei_get_nvme_info(fd, &list_items[huawei_num], path);
+ if (ret) {
+ close(fd);
+ goto out_free_list_items;
+ }
+ if (list_items[huawei_num].huawei_device == true) {
+ huawei_num++;
+ }
+ close(fd);
+ }
+
+ if (huawei_num > 0){
+ if (fmt == JSON)
+ huawei_json_print_list_items(list_items, huawei_num);
+ else
+ huawei_print_list_items(list_items, huawei_num);
+ }
+out_free_list_items:
+ free(list_items);
+out_free_devices:
+ for (i = 0; i < n; i++)
+ free(devices[i]);
+ free(devices);
+
+ return ret;
+}
+
+static void huawei_do_id_ctrl(__u8 *vs, struct json_object *root)
+{
+ char array_name[ARRAY_NAME_LEN + 1] = {0};
+
+ memcpy(array_name, vs, ARRAY_NAME_LEN);
+ if (root)
+ json_object_add_value_string(root, "array name", strlen(array_name) > 1 ? array_name : "NULL");
+ else
+ printf("array name : %s\n", strlen(array_name) > 1 ? array_name : "NULL");
+}
+
+static int huawei_id_ctrl(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+ return __id_ctrl(argc, argv, cmd, plugin, huawei_do_id_ctrl);
+}
diff --git a/plugins/huawei/huawei-nvme.h b/plugins/huawei/huawei-nvme.h
new file mode 100644
index 0000000..f49e6fd
--- /dev/null
+++ b/plugins/huawei/huawei-nvme.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#undef CMD_INC_FILE
+#define CMD_INC_FILE plugins/huawei/huawei-nvme
+
+#if !defined(HUAWEI_NVME) || defined(CMD_HEADER_MULTI_READ)
+#define HUAWEI_NVME
+
+#include "cmd.h"
+
+PLUGIN(NAME("huawei", "Huawei vendor specific extensions", NVME_VERSION),
+ COMMAND_LIST(
+ ENTRY("list", "List all Huawei NVMe devices and namespaces on machine", huawei_list)
+ ENTRY("id-ctrl", "Huawei identify controller", huawei_id_ctrl)
+ )
+);
+
+#endif
+
+#include "define_cmd.h"
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 14:04:17 +0000