2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2013 EMC Corp.
7 * Copyright (C) 2012-2013 Intel Corporation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/ioccom.h>
38 #include <sys/types.h>
52 #include "nvmecontrol.h"
54 /* Tables for command line parsing */
56 static cmd_fn_t firmware;
58 #define NONE 0xffffffffu
59 static struct options {
71 static const struct opts firmware_opts[] = {
72 #define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
73 OPT("activate", 'a', arg_none, opt, activate,
74 "Attempt to activate firmware"),
75 OPT("slot", 's', arg_uint32, opt, slot,
76 "Slot to activate and/or download firmware to"),
77 OPT("firmware", 'f', arg_path, opt, fw_img,
78 "Firmware image to download"),
79 { NULL, 0, arg_none, NULL, NULL }
83 static const struct args firmware_args[] = {
84 { arg_string, &opt.dev, "controller-id|namespace-id" },
85 { arg_none, NULL, NULL },
88 static struct cmd firmware_cmd = {
91 .descr = "Download firmware image to controller",
92 .ctx_size = sizeof(opt),
93 .opts = firmware_opts,
94 .args = firmware_args,
97 CMD_COMMAND(firmware_cmd);
99 /* End of tables for command line parsing */
102 slot_has_valid_firmware(int fd, int slot)
104 struct nvme_firmware_page fw;
107 read_logpage(fd, NVME_LOG_FIRMWARE_SLOT,
108 NVME_GLOBAL_NAMESPACE_TAG, 0, 0, 0, &fw, sizeof(fw));
110 if (fw.revision[slot-1] != 0LLU)
117 read_image_file(const char *path, void **buf, int32_t *size)
126 if ((fd = open(path, O_RDONLY)) < 0)
127 err(EX_NOINPUT, "unable to open '%s'", path);
128 if (fstat(fd, &sb) < 0)
129 err(EX_NOINPUT, "unable to stat '%s'", path);
132 * The NVMe spec does not explicitly state a maximum firmware image
133 * size, although one can be inferred from the dword size limitation
134 * for the size and offset fields in the Firmware Image Download
137 * Technically, the max is UINT32_MAX * sizeof(uint32_t), since the
138 * size and offsets are specified in terms of dwords (not bytes), but
139 * realistically INT32_MAX is sufficient here and simplifies matters
142 if (sb.st_size > INT32_MAX)
143 errx(EX_USAGE, "size of file '%s' is too large (%jd bytes)",
144 path, (intmax_t)sb.st_size);
145 filesize = (int32_t)sb.st_size;
146 if ((*buf = malloc(filesize)) == NULL)
147 errx(EX_OSERR, "unable to malloc %d bytes", filesize);
148 if ((*size = read(fd, *buf, filesize)) < 0)
149 err(EX_IOERR, "error reading '%s'", path);
150 /* XXX assuming no short reads */
151 if (*size != filesize)
153 "error reading '%s' (read %d bytes, requested %d bytes)",
154 path, *size, filesize);
159 update_firmware(int fd, uint8_t *payload, int32_t payload_size, uint8_t fwug)
161 struct nvme_pt_command pt;
162 uint64_t max_xfer_size;
163 int32_t off, resid, size;
167 resid = payload_size;
169 if (fwug != 0 && fwug != 0xFF)
170 max_xfer_size = ((uint64_t)fwug << 12);
171 else if (ioctl(fd, NVME_GET_MAX_XFER_SIZE, &max_xfer_size) < 0)
172 err(EX_IOERR, "query max transfer size failed");
173 if (max_xfer_size > NVME_MAX_XFER_SIZE)
174 max_xfer_size = NVME_MAX_XFER_SIZE;
176 if ((chunk = aligned_alloc(PAGE_SIZE, max_xfer_size)) == NULL)
177 errx(EX_OSERR, "unable to malloc %zd bytes", (size_t)max_xfer_size);
180 size = (resid >= (int32_t)max_xfer_size) ?
181 max_xfer_size : resid;
182 memcpy(chunk, payload + off, size);
184 memset(&pt, 0, sizeof(pt));
185 pt.cmd.opc = NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
186 pt.cmd.cdw10 = htole32((size / sizeof(uint32_t)) - 1);
187 pt.cmd.cdw11 = htole32(off / sizeof(uint32_t));
192 if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
193 err(EX_IOERR, "firmware download request failed");
195 if (nvme_completion_is_error(&pt.cpl))
196 errx(EX_IOERR, "firmware download request returned error");
205 activate_firmware(int fd, int slot, int activate_action)
207 struct nvme_pt_command pt;
210 memset(&pt, 0, sizeof(pt));
211 pt.cmd.opc = NVME_OPC_FIRMWARE_ACTIVATE;
212 pt.cmd.cdw10 = htole32((activate_action << 3) | slot);
215 if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
216 err(EX_IOERR, "firmware activate request failed");
218 sct = NVME_STATUS_GET_SCT(pt.cpl.status);
219 sc = NVME_STATUS_GET_SC(pt.cpl.status);
221 if (sct == NVME_SCT_COMMAND_SPECIFIC &&
222 sc == NVME_SC_FIRMWARE_REQUIRES_RESET)
225 if (nvme_completion_is_error(&pt.cpl))
226 errx(EX_IOERR, "firmware activate request returned error");
232 firmware(const struct cmd *f, int argc, char *argv[])
235 int activate_action, reboot_required;
239 int32_t size = 0, nsid;
241 uint8_t fw_slot1_ro, fw_num_slots;
242 struct nvme_controller_data cdata;
244 if (arg_parse(argc, argv, f))
249 "0 is not a valid slot number. "
250 "Slot numbers start at 1.\n");
251 arg_help(argc, argv, f);
252 } else if (opt.slot > 7 && opt.slot != NONE) {
254 "Slot number %s specified which is "
255 "greater than max allowed slot number of "
257 arg_help(argc, argv, f);
260 if (!opt.activate && opt.fw_img == NULL) {
262 "Neither a replace ([-f path_to_firmware]) nor "
263 "activate ([-a]) firmware image action\n"
265 arg_help(argc, argv, f);
268 if (opt.activate && opt.fw_img == NULL && opt.slot == 0) {
270 "Slot number to activate not specified.\n");
271 arg_help(argc, argv, f);
274 open_dev(opt.dev, &fd, 1, 1);
275 get_nsid(fd, &path, &nsid);
278 open_dev(path, &fd, 1, 1);
282 if (read_controller_data(fd, &cdata))
283 errx(EX_IOERR, "Identify request failed");
285 oacs_fw = (cdata.oacs >> NVME_CTRLR_DATA_OACS_FIRMWARE_SHIFT) &
286 NVME_CTRLR_DATA_OACS_FIRMWARE_MASK;
290 "controller does not support firmware activate/download");
292 fw_slot1_ro = (cdata.frmw >> NVME_CTRLR_DATA_FRMW_SLOT1_RO_SHIFT) &
293 NVME_CTRLR_DATA_FRMW_SLOT1_RO_MASK;
295 if (opt.fw_img && opt.slot == 1 && fw_slot1_ro)
296 errx(EX_UNAVAILABLE, "slot %d is marked as read only", opt.slot);
298 fw_num_slots = (cdata.frmw >> NVME_CTRLR_DATA_FRMW_NUM_SLOTS_SHIFT) &
299 NVME_CTRLR_DATA_FRMW_NUM_SLOTS_MASK;
301 if (opt.slot > fw_num_slots)
303 "slot %d specified but controller only supports %d slots",
304 opt.slot, fw_num_slots);
306 if (opt.activate && opt.fw_img == NULL &&
307 !slot_has_valid_firmware(fd, opt.slot))
309 "slot %d does not contain valid firmware,\n"
310 "try 'nvmecontrol logpage -p 3 %s' to get a list "
311 "of available images\n",
315 read_image_file(opt.fw_img, &buf, &size);
317 if (opt.fw_img != NULL&& opt.activate)
318 printf("You are about to download and activate "
319 "firmware image (%s) to controller %s.\n"
320 "This may damage your controller and/or "
321 "overwrite an existing firmware image.\n",
322 opt.fw_img, opt.dev);
323 else if (opt.activate)
324 printf("You are about to activate a new firmware "
325 "image on controller %s.\n"
326 "This may damage your controller.\n",
328 else if (opt.fw_img != NULL)
329 printf("You are about to download firmware image "
330 "(%s) to controller %s.\n"
331 "This may damage your controller and/or "
332 "overwrite an existing firmware image.\n",
333 opt.fw_img, opt.dev);
335 printf("Are you sure you want to continue? (yes/no) ");
337 fgets(prompt, sizeof(prompt), stdin);
338 if (strncasecmp(prompt, "yes", 3) == 0)
340 if (strncasecmp(prompt, "no", 2) == 0)
342 printf("Please answer \"yes\" or \"no\". ");
345 if (opt.fw_img != NULL) {
346 update_firmware(fd, buf, size, cdata.fwug);
348 activate_action = NVME_AA_REPLACE_ACTIVATE;
350 activate_action = NVME_AA_REPLACE_NO_ACTIVATE;
352 activate_action = NVME_AA_ACTIVATE;
355 reboot_required = activate_firmware(fd, opt.slot, activate_action);
358 if (reboot_required) {
359 printf("New firmware image activated but requires "
360 "conventional reset (i.e. reboot) to "
361 "complete activation.\n");
363 printf("New firmware image activated and will take "
364 "effect after next controller reset.\n"
365 "Controller reset can be initiated via "
366 "'nvmecontrol reset %s'\n",