xref: /freebsd/usr.sbin/mfiutil/mfi_flash.c (revision 8ddb146abcdf061be9f2c0db7e391697dafad85c)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2008, 2009 Yahoo!, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The names of the authors may not be used to endorse or promote
16  *    products derived from this software without specific prior written
17  *    permission.
18  *
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
29  * SUCH DAMAGE.
30  *
31  * $FreeBSD$
32  */
33 
34 #include <sys/param.h>
35 #include <sys/errno.h>
36 #include <sys/stat.h>
37 #include <err.h>
38 #include <fcntl.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include "mfiutil.h"
44 
45 #define	FLASH_BUF_SIZE	(64 * 1024)
46 
47 static int
48 display_pending_firmware(int fd)
49 {
50 	struct mfi_ctrl_info info;
51 	struct mfi_info_component header;
52 	int error;
53 	u_int i;
54 
55 	if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
56 		error = errno;
57 		warn("Failed to get controller info");
58 		return (error);
59 	}
60 
61 	printf("mfi%d Pending Firmware Images:\n", mfi_unit);
62 	strcpy(header.name, "Name");
63 	strcpy(header.version, "Version");
64 	strcpy(header.build_date, "Date");
65 	strcpy(header.build_time, "Time");
66 	scan_firmware(&header);
67 	if (info.pending_image_component_count > 8)
68 		info.pending_image_component_count = 8;
69 	for (i = 0; i < info.pending_image_component_count; i++)
70 		scan_firmware(&info.pending_image_component[i]);
71 	display_firmware(&header, "");
72 	for (i = 0; i < info.pending_image_component_count; i++)
73 		display_firmware(&info.pending_image_component[i], "");
74 
75 	return (0);
76 }
77 
78 static void
79 mbox_store_word(uint8_t *mbox, uint32_t val)
80 {
81 
82 	mbox[0] = val & 0xff;
83 	mbox[1] = val >> 8 & 0xff;
84 	mbox[2] = val >> 16 & 0xff;
85 	mbox[3] = val >> 24;
86 }
87 
88 static int
89 flash_adapter(int ac, char **av)
90 {
91 	struct mfi_progress dummy;
92 	off_t offset;
93 	size_t nread;
94 	char *buf;
95 	struct stat sb;
96 	int error, fd, flash;
97 	uint8_t mbox[4], status;
98 
99 	if (ac != 2) {
100 		warnx("flash: Firmware file required");
101 		return (EINVAL);
102 	}
103 
104 	flash = open(av[1], O_RDONLY);
105 	if (flash < 0) {
106 		error = errno;
107 		warn("flash: Failed to open %s", av[1]);
108 		return (error);
109 	}
110 
111 	buf = NULL;
112 	fd = -1;
113 
114 	if (fstat(flash, &sb) < 0) {
115 		error = errno;
116 		warn("fstat(%s)", av[1]);
117 		goto error;
118 	}
119 	if (sb.st_size % 1024 != 0 || sb.st_size > 0x7fffffff) {
120 		warnx("Invalid flash file size");
121 		error = EINVAL;
122 		goto error;
123 	}
124 
125 	fd = mfi_open(mfi_unit, O_RDWR);
126 	if (fd < 0) {
127 		error = errno;
128 		warn("mfi_open");
129 		goto error;
130 	}
131 
132 	/* First, ask the firmware to allocate space for the flash file. */
133 	mbox_store_word(mbox, sb.st_size);
134 	mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_OPEN, NULL, 0, mbox, 4, &status);
135 	if (status != MFI_STAT_OK) {
136 		warnx("Failed to alloc flash memory: %s", mfi_status(status));
137 		error = EIO;
138 		goto error;
139 	}
140 
141 	/* Upload the file 64k at a time. */
142 	buf = malloc(FLASH_BUF_SIZE);
143 	if (buf == NULL) {
144 		warnx("malloc failed");
145 		error = ENOMEM;
146 		goto error;
147 	}
148 	offset = 0;
149 	while (sb.st_size > 0) {
150 		nread = read(flash, buf, FLASH_BUF_SIZE);
151 		if (nread <= 0 || nread % 1024 != 0) {
152 			warnx("Bad read from flash file");
153 			mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
154 			    NULL, 0, NULL);
155 			error = ENXIO;
156 			goto error;
157 		}
158 
159 		mbox_store_word(mbox, offset);
160 		mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_DOWNLOAD, buf, nread,
161 		    mbox, 4, &status);
162 		if (status != MFI_STAT_OK) {
163 			warnx("Flash download failed: %s", mfi_status(status));
164 			mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
165 			    NULL, 0, NULL);
166 			error = ENXIO;
167 			goto error;
168 		}
169 		sb.st_size -= nread;
170 		offset += nread;
171 	}
172 
173 	/* Kick off the flash. */
174 	printf("WARNING: Firmware flash in progress, do not reboot machine... ");
175 	fflush(stdout);
176 	mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_FLASH, &dummy, sizeof(dummy),
177 	    NULL, 0, &status);
178 	if (status != MFI_STAT_OK) {
179 		printf("failed:\n\t%s\n", mfi_status(status));
180 		error = ENXIO;
181 		goto error;
182 	}
183 	printf("finished\n");
184 	error = display_pending_firmware(fd);
185 
186 error:
187 	free(buf);
188 	if (fd >= 0)
189 		close(fd);
190 	close(flash);
191 
192 	return (error);
193 }
194 MFI_COMMAND(top, flash, flash_adapter);
195