2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (C) 2019 Alexander Motin <mav@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/ioccom.h>
45 #include "nvmecontrol.h"
47 /* Tables for command line parsing */
49 static cmd_fn_t sanitize;
51 static struct options {
71 static const struct opts sanitize_opts[] = {
72 #define OPT(l, s, t, opt, addr, desc) { l, s, t, &opt.addr, desc }
73 OPT("ause", 'U', arg_none, opt, ause,
74 "Allow Unrestricted Sanitize Exit"),
75 OPT("ndas", 'd', arg_none, opt, ndas,
76 "No Deallocate After Sanitize"),
77 OPT("oipbp", 'I', arg_none, opt, oipbp,
78 "Overwrite Invert Pattern Between Passes"),
79 OPT("reportonly", 'r', arg_none, opt, reportonly,
80 "Report previous sanitize status"),
81 OPT("owpass", 'c', arg_uint8, opt, owpass,
82 "Overwrite Pass Count"),
83 OPT("ovrpat", 'p', arg_uint32, opt, ovrpat,
85 OPT("sanact", 'a', arg_string, opt, sanact,
86 "Sanitize Action (block, overwrite, crypto)"),
87 { NULL, 0, arg_none, NULL, NULL }
91 static const struct args sanitize_args[] = {
92 { arg_string, &opt.dev, "controller-id" },
93 { arg_none, NULL, NULL },
96 static struct cmd sanitize_cmd = {
99 .descr = "Sanitize NVM subsystem",
100 .ctx_size = sizeof(opt),
101 .opts = sanitize_opts,
102 .args = sanitize_args,
105 CMD_COMMAND(sanitize_cmd);
107 /* End of tables for command line parsing */
110 sanitize(const struct cmd *f, int argc, char *argv[])
112 struct nvme_controller_data cd;
113 struct nvme_pt_command pt;
114 struct nvme_sanitize_status_page ss;
117 int sanact = 0, fd, delay = 1;
119 if (arg_parse(argc, argv, f))
122 if (opt.sanact == NULL) {
123 if (!opt.reportonly) {
124 fprintf(stderr, "Sanitize Action is not specified\n");
125 arg_help(argc, argv, f);
128 if (strcmp(opt.sanact, "exitfailure") == 0)
130 else if (strcmp(opt.sanact, "block") == 0)
132 else if (strcmp(opt.sanact, "overwrite") == 0)
134 else if (strcmp(opt.sanact, "crypto") == 0)
137 fprintf(stderr, "Incorrect Sanitize Action value\n");
138 arg_help(argc, argv, f);
141 if (opt.owpass == 0 || opt.owpass > 16) {
142 fprintf(stderr, "Incorrect Overwrite Pass Count value\n");
143 arg_help(argc, argv, f);
146 open_dev(opt.dev, &fd, 1, 1);
147 get_nsid(fd, &path, &nsid);
150 open_dev(path, &fd, 1, 1);
157 /* Check that controller can execute this command. */
158 if (read_controller_data(fd, &cd))
159 errx(EX_IOERR, "Identify request failed");
160 if (((cd.sanicap >> NVME_CTRLR_DATA_SANICAP_BES_SHIFT) &
161 NVME_CTRLR_DATA_SANICAP_BES_MASK) == 0 && sanact == 2)
162 errx(EX_UNAVAILABLE, "controller does not support Block Erase");
163 if (((cd.sanicap >> NVME_CTRLR_DATA_SANICAP_OWS_SHIFT) &
164 NVME_CTRLR_DATA_SANICAP_OWS_MASK) == 0 && sanact == 3)
165 errx(EX_UNAVAILABLE, "controller does not support Overwrite");
166 if (((cd.sanicap >> NVME_CTRLR_DATA_SANICAP_CES_SHIFT) &
167 NVME_CTRLR_DATA_SANICAP_CES_MASK) == 0 && sanact == 4)
168 errx(EX_UNAVAILABLE, "controller does not support Crypto Erase");
171 * If controller supports only one namespace, we may sanitize it.
172 * If there can be more, make user explicit in his commands.
174 if (nsid != 0 && cd.nn > 1)
175 errx(EX_UNAVAILABLE, "can't sanitize one of namespaces, specify controller");
177 memset(&pt, 0, sizeof(pt));
178 pt.cmd.opc = NVME_OPC_SANITIZE;
179 pt.cmd.cdw10 = htole32((opt.ndas << 9) | (opt.oipbp << 8) |
180 ((opt.owpass & 0xf) << 4) | (opt.ause << 3) | sanact);
181 pt.cmd.cdw11 = htole32(opt.ovrpat);
183 if (ioctl(fd, NVME_PASSTHROUGH_CMD, &pt) < 0)
184 err(EX_IOERR, "sanitize request failed");
186 if (nvme_completion_is_error(&pt.cpl))
187 errx(EX_IOERR, "sanitize request returned error");
190 read_logpage(fd, NVME_LOG_SANITIZE_STATUS,
191 NVME_GLOBAL_NAMESPACE_TAG, 0, 0, 0, &ss, sizeof(ss));
192 switch ((ss.sstat >> NVME_SS_PAGE_SSTAT_STATUS_SHIFT) &
193 NVME_SS_PAGE_SSTAT_STATUS_MASK) {
194 case NVME_SS_PAGE_SSTAT_STATUS_NEVER:
195 printf("Never sanitized");
197 case NVME_SS_PAGE_SSTAT_STATUS_COMPLETED:
198 printf("Sanitize completed");
200 case NVME_SS_PAGE_SSTAT_STATUS_INPROG:
201 printf("Sanitize in progress: %u%% (%u/65535)\r",
202 (ss.sprog * 100 + 32768) / 65536, ss.sprog);
208 case NVME_SS_PAGE_SSTAT_STATUS_FAILED:
209 printf("Sanitize failed");
211 case NVME_SS_PAGE_SSTAT_STATUS_COMPLETEDWD:
212 printf("Sanitize completed with deallocation");
215 printf("Sanitize status unknown");