xref: /freebsd/usr.sbin/mpsutil/mps_flash.c (revision 9768746b)
1 /*-
2  * Copyright (c) 2015 Baptiste Daroussin <bapt@FreeBSD.org>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #include <sys/cdefs.h>
27 __RCSID("$FreeBSD$");
28 
29 #include <sys/stat.h>
30 #include <sys/param.h>
31 #include <sys/mman.h>
32 #include <sys/endian.h>
33 
34 #include <errno.h>
35 #include <err.h>
36 #include <fcntl.h>
37 #include <stdbool.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 
43 #include "mpsutil.h"
44 
45 MPS_TABLE(top, flash);
46 
47 static int
48 flash_save(int argc, char **argv)
49 {
50 	const char *firmware_file;
51 	unsigned char *firmware_buffer = NULL;
52 	int error, fd, size;
53 	bool bios = false;
54 	ssize_t written = 0, ret = 0;
55 
56 	if (argc < 2) {
57 		warnx("missing argument: expecting 'firmware' or bios'");
58 		return (EINVAL);
59 	}
60 
61 	if (strcmp(argv[1], "bios") == 0) {
62 		bios = true;
63 	} else if (strcmp(argv[1], "firmware") != 0) {
64 		warnx("Invalid argument '%s', expecting 'firmware' or 'bios'",
65 		    argv[1]);
66 	}
67 
68 	if (argc > 4) {
69 		warnx("save %s: extra arguments", argv[1]);
70 		return (EINVAL);
71 	}
72 
73 	firmware_file = argv[1];
74 	if (argc == 3) {
75 		firmware_file = argv[2];
76 	}
77 
78 	fd = mps_open(mps_unit);
79 	if (fd < 0) {
80 		error = errno;
81 		warn("mps_open");
82 		return (error);
83 	}
84 
85 	if ((size = mps_firmware_get(fd, &firmware_buffer, bios)) < 0) {
86 		warnx("Fail to save %s", argv[1]);
87 		close(fd);
88 		return (1);
89 	}
90 
91 	close(fd);
92 	if (size > 0) {
93 		fd = open(firmware_file, O_CREAT | O_TRUNC | O_RDWR, 0644);
94 		if (fd <0) {
95 			error = errno;
96 			warn("open");
97 			free(firmware_buffer);
98 			return (error);
99 		}
100 		while (written != size) {
101 			if ((ret = write(fd, firmware_buffer + written, size - written)) <0) {
102 				error = errno;
103 				warn("write");
104 				free(firmware_buffer);
105 				close(fd);
106 				return (error);
107 			}
108 			written += ret;
109 		}
110 		close(fd);
111 	}
112 	free(firmware_buffer);
113 	printf("%s successfully saved as %s\n", argv[1], firmware_file);
114 	return (0);
115 }
116 
117 MPS_COMMAND(flash, save, flash_save, "[firmware|bios] [file]",
118     "Save firmware/bios into a file");
119 
120 static int
121 flash_update(int argc, char **argv)
122 {
123 	int error, fd;
124 	unsigned char *mem = NULL;
125 	struct stat st;
126 	bool bios = false;
127 	MPI2_FW_IMAGE_HEADER *fwheader;
128 	MPI2_IOC_FACTS_REPLY *facts;
129 
130 	if (argc < 2) {
131 		warnx("missing argument: expecting 'firmware' or bios'");
132 		return (EINVAL);
133 	}
134 
135 	if (strcmp(argv[1], "bios") == 0) {
136 		bios = true;
137 	} else if (strcmp(argv[1], "firmware") != 0) {
138 		warnx("Invalid argument '%s', expecting 'firmware' or 'bios'",
139 		    argv[1]);
140 	}
141 
142 	if (argc > 4) {
143 		warnx("update firmware: extra arguments");
144 		return (EINVAL);
145 	}
146 
147 	if (argc != 3) {
148 		warnx("no firmware specified");
149 		return (EINVAL);
150 	}
151 
152 	if (stat(argv[2], &st) == -1) {
153 		error = errno;
154 		warn("stat");
155 		return (error);
156 	}
157 
158 	fd = open(argv[2], O_RDONLY);
159 	if (fd < 0) {
160 		error = errno;
161 		warn("open");
162 		return (error);
163 	}
164 
165 	mem = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
166 	if (mem == MAP_FAILED) {
167 		error = errno;
168 		warn("mmap");
169 		close(fd);
170 		return (error);
171 	}
172 	close(fd);
173 
174 	fd = mps_open(mps_unit);
175 	if (fd < 0) {
176 		error = errno;
177 		warn("mps_open");
178 		munmap(mem, st.st_size);
179 		return (error);
180 	}
181 
182 	if ((facts = mps_get_iocfacts(fd)) == NULL) {
183 		warnx("could not get controller IOCFacts\n");
184 		munmap(mem, st.st_size);
185 		close(fd);
186 		return (EINVAL);
187 	}
188 
189 	if (bios) {
190 		/* Check boot record magic number */
191 		if (((mem[0x01]<<8) + mem[0x00]) != 0xaa55) {
192 			warnx("Invalid bios: no boot record magic number");
193 			munmap(mem, st.st_size);
194 			close(fd);
195 			free(facts);
196 			return (1);
197 		}
198 		if ((st.st_size % 512) != 0) {
199 			warnx("Invalid bios: size not a multiple of 512");
200 			munmap(mem, st.st_size);
201 			close(fd);
202 			free(facts);
203 			return (1);
204 		}
205 	} else {
206 		fwheader = (MPI2_FW_IMAGE_HEADER *)mem;
207 		if (le16toh(fwheader->VendorID) != MPI2_MFGPAGE_VENDORID_LSI) {
208 			warnx("Invalid firmware:");
209 			warnx("  Expected Vendor ID: %04x",
210 			    MPI2_MFGPAGE_VENDORID_LSI);
211 			warnx("  Image Vendor ID: %04x", le16toh(fwheader->VendorID));
212 			munmap(mem, st.st_size);
213 			close(fd);
214 			free(facts);
215 			return (1);
216 		}
217 
218 		if (le16toh(fwheader->ProductID) != facts->ProductID) {
219 			warnx("Invalid image:");
220 			warnx("  Expected Product ID: %04x", facts->ProductID);
221 			warnx("  Image Product ID: %04x", le16toh(fwheader->ProductID));
222 			munmap(mem, st.st_size);
223 			close(fd);
224 			free(facts);
225 			return (1);
226 		}
227 	}
228 
229 	printf("Updating %s...\n", argv[1]);
230 	if (mps_firmware_send(fd, mem, st.st_size, bios) < 0) {
231 		warnx("Fail to update %s", argv[1]);
232 		munmap(mem, st.st_size);
233 		close(fd);
234 		free(facts);
235 		return (1);
236 	}
237 
238 	munmap(mem, st.st_size);
239 	close(fd);
240 	free(facts);
241 	printf("%s successfully updated\n", argv[1]);
242 	return (0);
243 }
244 
245 MPS_COMMAND(flash, update, flash_update, "[firmware|bios] file",
246     "Update firmware/bios");
247