2 * Copyright (C) 2012-2013 Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/ioccom.h>
45 #include "nvmecontrol.h"
47 typedef void (*nvme_fn_t)(int argc, char *argv[]);
49 static struct nvme_function {
54 {"devlist", devlist, DEVLIST_USAGE},
55 {"identify", identify, IDENTIFY_USAGE},
56 {"perftest", perftest, PERFTEST_USAGE},
57 {"reset", reset, RESET_USAGE},
58 {"logpage", logpage, LOGPAGE_USAGE},
59 {"firmware", firmware, FIRMWARE_USAGE},
66 struct nvme_function *f;
69 fprintf(stderr, "usage:\n");
70 while (f->name != NULL) {
71 fprintf(stderr, "%s", f->usage);
78 print_bytes(void *data, uint32_t length)
83 end = (uint8_t *)data + length;
85 for (i = 0; i < length; i++) {
86 p = (uint8_t *)data + (i*16);
87 printf("%03x: ", i*16);
88 for (j = 0; j < 16 && p < end; j++)
89 printf("%02x ", *p++);
98 print_dwords(void *data, uint32_t length)
103 p = (uint32_t *)data;
104 length /= sizeof(uint32_t);
106 for (i = 0; i < length; i+=8) {
107 printf("%03x: ", i*4);
108 for (j = 0; j < 8; j++)
109 printf("%08x ", p[i+j]);
117 print_hex(void *data, uint32_t length)
119 if (length >= sizeof(uint32_t) || length % sizeof(uint32_t) == 0)
120 print_dwords(data, length);
122 print_bytes(data, length);
126 read_controller_data(int fd, struct nvme_controller_data *cdata)
128 struct nvme_pt_command pt;
130 memset(&pt, 0, sizeof(pt));
131 pt.cmd.opc = NVME_OPC_IDENTIFY;
134 pt.len = sizeof(*cdata);
137 if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) {
138 printf("Identify request failed. errno=%d (%s)\n",
139 errno, strerror(errno));
143 if (nvme_completion_is_error(&pt.cpl)) {
144 printf("Passthrough command returned error.\n");
150 read_namespace_data(int fd, int nsid, struct nvme_namespace_data *nsdata)
152 struct nvme_pt_command pt;
154 memset(&pt, 0, sizeof(pt));
155 pt.cmd.opc = NVME_OPC_IDENTIFY;
158 pt.len = sizeof(*nsdata);
161 if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0) {
162 printf("Identify request failed. errno=%d (%s)\n",
163 errno, strerror(errno));
167 if (nvme_completion_is_error(&pt.cpl)) {
168 printf("Passthrough command returned error.\n");
174 open_dev(const char *str, int *fd, int show_error, int exit_on_error)
179 if (!strnstr(str, NVME_CTRLR_PREFIX, strlen(NVME_CTRLR_PREFIX))) {
182 "Controller/namespace IDs must begin with '%s'.\n",
190 snprintf(full_path, sizeof(full_path), "/dev/%s", str);
191 if (stat(full_path, &devstat) != 0) {
193 fprintf(stderr, "Could not stat %s. errno=%d (%s)\n",
194 full_path, errno, strerror(errno));
201 *fd = open(full_path, O_RDWR);
204 fprintf(stderr, "Could not open %s. errno=%d (%s)\n",
205 full_path, errno, strerror(errno));
216 main(int argc, char *argv[])
218 struct nvme_function *f;
224 while (f->name != NULL) {
225 if (strcmp(argv[1], f->name) == 0)
226 f->fn(argc-1, &argv[1]);