usr.sbin/mfiutil/mfi_flash.c

   1 /*-
   2  * Copyright (c) 2008, 2009 Yahoo!, Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   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.
  13  * 3. The names of the authors may not be used to endorse or promote
  14  *    products derived from this software without specific prior written
  15  *    permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * $FreeBSD: src/usr.sbin/mfiutil/mfi_flash.c,v 1.4 2011/06/09 19:52:28 bz Exp $
  30  */
  31
  32 #include <sys/param.h>
  33 #include <sys/errno.h>
  34 #include <sys/stat.h>
  35 #include <err.h>
  36 #include <fcntl.h>
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41 #include "mfiutil.h"
  42
  43 #define FLASH_BUF_SIZE  (64 * 1024)
  44
  45 static int
  46 display_pending_firmware(int fd)
  47 {
  48         struct mfi_ctrl_info info;
  49         struct mfi_info_component header;
  50         int error;
  51         u_int i;
  52
  53         if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
  54                 error = errno;
  55                 warn("Failed to get controller info");
  56                 return (error);
  57         }
  58
  59         printf("mfi%d Pending Firmware Images:\n", mfi_unit);
  60         strcpy(header.name, "Name");
  61         strcpy(header.version, "Version");
  62         strcpy(header.build_date, "Date");
  63         strcpy(header.build_time, "Time");
  64         scan_firmware(&header);
  65         if (info.pending_image_component_count > 8)
  66                 info.pending_image_component_count = 8;
  67         for (i = 0; i < info.pending_image_component_count; i++)
  68                 scan_firmware(&info.pending_image_component[i]);
  69         display_firmware(&header, "");
  70         for (i = 0; i < info.pending_image_component_count; i++)
  71                 display_firmware(&info.pending_image_component[i], "");
  72
  73         return (0);
  74 }
  75
  76 static void
  77 mbox_store_word(uint8_t *mbox, uint32_t val)
  78 {
  79
  80         mbox[0] = val & 0xff;
  81         mbox[1] = val >> 8 & 0xff;
  82         mbox[2] = val >> 16 & 0xff;
  83         mbox[3] = val >> 24;
  84 }
  85
  86 static int
  87 flash_adapter(int ac, char **av)
  88 {
  89         struct mfi_progress dummy;
  90         off_t offset;
  91         size_t nread;
  92         char *buf;
  93         struct stat sb;
  94         int error, fd, flash;
  95         uint8_t mbox[4], status;
  96
  97         if (ac != 2) {
  98                 warnx("flash: Firmware file required");
  99                 return (EINVAL);
 100         }
 101
 102         flash = open(av[1], O_RDONLY);
 103         if (flash < 0) {
 104                 error = errno;
 105                 warn("flash: Failed to open %s", av[1]);
 106                 return (error);
 107         }
 108
 109         buf = NULL;
 110         fd = -1;
 111
 112         if (fstat(flash, &sb) < 0) {
 113                 error = errno;
 114                 warn("fstat(%s)", av[1]);
 115                 goto error;
 116         }
 117         if (sb.st_size % 1024 != 0 || sb.st_size > 0x7fffffff) {
 118                 warnx("Invalid flash file size");
 119                 error = EINVAL;
 120                 goto error;
 121         }
 122
 123         fd = mfi_open(mfi_unit);
 124         if (fd < 0) {
 125                 error = errno;
 126                 warn("mfi_open");
 127                 goto error;
 128         }
 129
 130         /* First, ask the firmware to allocate space for the flash file. */
 131         mbox_store_word(mbox, sb.st_size);
 132         mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_OPEN, NULL, 0, mbox, 4, &status);
 133         if (status != MFI_STAT_OK) {
 134                 warnx("Failed to alloc flash memory: %s", mfi_status(status));
 135                 error = EIO;
 136                 goto error;
 137         }
 138
 139         /* Upload the file 64k at a time. */
 140         buf = malloc(FLASH_BUF_SIZE);
 141         if (buf == NULL) {
 142                 warnx("malloc failed");
 143                 error = ENOMEM;
 144                 goto error;
 145         }
 146         offset = 0;
 147         while (sb.st_size > 0) {
 148                 nread = read(flash, buf, FLASH_BUF_SIZE);
 149                 if (nread <= 0 || nread % 1024 != 0) {
 150                         warnx("Bad read from flash file");
 151                         mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
 152                             NULL, 0, NULL);
 153                         error = ENXIO;
 154                         goto error;
 155                 }
 156
 157                 mbox_store_word(mbox, offset);
 158                 mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_DOWNLOAD, buf, nread,
 159                     mbox, 4, &status);
 160                 if (status != MFI_STAT_OK) {
 161                         warnx("Flash download failed: %s", mfi_status(status));
 162                         mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
 163                             NULL, 0, NULL);
 164                         error = ENXIO;
 165                         goto error;
 166                 }
 167                 sb.st_size -= nread;
 168                 offset += nread;
 169         }
 170
 171         /* Kick off the flash. */
 172         printf("WARNING: Firmware flash in progress, do not reboot machine... ");
 173         fflush(stdout);
 174         mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_FLASH, &dummy, sizeof(dummy),
 175             NULL, 0, &status);
 176         if (status != MFI_STAT_OK) {
 177                 printf("failed:\n\t%s\n", mfi_status(status));
 178                 error = ENXIO;
 179                 goto error;
 180         }
 181         printf("finished\n");
 182         error = display_pending_firmware(fd);
 183
 184 error:
 185         free(buf);
 186         if (fd >= 0)
 187                 close(fd);
 188         close(flash);
 189
 190         return (error);
 191 }
 192 MFI_COMMAND(top, flash, flash_adapter);