freebsd-dev/usr.sbin/mfiutil/mfi_flash.c
John Baldwin 3c22a809ec Handle malloc() failures more gracefully by error'ing out rather than
segfaulting.

Submitted by:	gcooper
MFC after:	1 week
2010-11-19 15:39:59 +00:00

211 lines
5.6 KiB
C

/*-
* Copyright (c) 2008, 2009 Yahoo!, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/stat.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mfiutil.h"
#define FLASH_BUF_SIZE (64 * 1024)
int fw_name_width, fw_version_width, fw_date_width, fw_time_width;
static void
scan_firmware(struct mfi_info_component *comp)
{
int len;
len = strlen(comp->name);
if (fw_name_width < len)
fw_name_width = len;
len = strlen(comp->version);
if (fw_version_width < len)
fw_version_width = len;
len = strlen(comp->build_date);
if (fw_date_width < len)
fw_date_width = len;
len = strlen(comp->build_time);
if (fw_time_width < len)
fw_time_width = len;
}
static void
display_firmware(struct mfi_info_component *comp)
{
printf("%-*s %-*s %-*s %-*s\n", fw_name_width, comp->name,
fw_version_width, comp->version, fw_date_width, comp->build_date,
fw_time_width, comp->build_time);
}
static int
display_pending_firmware(int fd)
{
struct mfi_ctrl_info info;
struct mfi_info_component header;
int error;
u_int i;
if (mfi_ctrl_get_info(fd, &info, NULL) < 0) {
error = errno;
warn("Failed to get controller info");
return (error);
}
printf("mfi%d Pending Firmware Images:\n", mfi_unit);
strcpy(header.name, "Name");
strcpy(header.version, "Version");
strcpy(header.build_date, "Date");
strcpy(header.build_time, "Time");
scan_firmware(&header);
if (info.pending_image_component_count > 8)
info.pending_image_component_count = 8;
for (i = 0; i < info.pending_image_component_count; i++)
scan_firmware(&info.pending_image_component[i]);
display_firmware(&header);
for (i = 0; i < info.pending_image_component_count; i++)
display_firmware(&info.pending_image_component[i]);
return (0);
}
static void
mbox_store_word(uint8_t *mbox, uint32_t val)
{
mbox[0] = val & 0xff;
mbox[1] = val >> 8 & 0xff;
mbox[2] = val >> 16 & 0xff;
mbox[3] = val >> 24;
}
static int
flash_adapter(int ac, char **av)
{
struct mfi_progress dummy;
off_t offset;
size_t nread;
char *buf;
struct stat sb;
int error, fd, flash;
uint8_t mbox[4], status;
if (ac != 2) {
warnx("flash: Firmware file required");
return (EINVAL);
}
flash = open(av[1], O_RDONLY);
if (flash < 0) {
error = errno;
warn("flash: Failed to open %s", av[1]);
return (error);
}
if (fstat(flash, &sb) < 0) {
error = errno;
warn("fstat(%s)", av[1]);
return (error);
}
if (sb.st_size % 1024 != 0 || sb.st_size > 0x7fffffff) {
warnx("Invalid flash file size");
return (EINVAL);
}
fd = mfi_open(mfi_unit);
if (fd < 0) {
error = errno;
warn("mfi_open");
return (error);
}
/* First, ask the firmware to allocate space for the flash file. */
mbox_store_word(mbox, sb.st_size);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_OPEN, NULL, 0, mbox, 4, &status);
if (status != MFI_STAT_OK) {
warnx("Failed to alloc flash memory: %s", mfi_status(status));
return (EIO);
}
/* Upload the file 64k at a time. */
buf = malloc(FLASH_BUF_SIZE);
if (buf == NULL) {
warnx("malloc failed");
return (ENOMEM);
}
offset = 0;
while (sb.st_size > 0) {
nread = read(flash, buf, FLASH_BUF_SIZE);
if (nread <= 0 || nread % 1024 != 0) {
warnx("Bad read from flash file");
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
NULL, 0, NULL);
return (ENXIO);
}
mbox_store_word(mbox, offset);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_DOWNLOAD, buf, nread,
mbox, 4, &status);
if (status != MFI_STAT_OK) {
warnx("Flash download failed: %s", mfi_status(status));
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_CLOSE, NULL, 0,
NULL, 0, NULL);
return (ENXIO);
}
sb.st_size -= nread;
offset += nread;
}
close(flash);
/* Kick off the flash. */
printf("WARNING: Firmware flash in progress, do not reboot machine... ");
fflush(stdout);
mfi_dcmd_command(fd, MFI_DCMD_FLASH_FW_FLASH, &dummy, sizeof(dummy),
NULL, 0, &status);
if (status != MFI_STAT_OK) {
printf("failed:\n\t%s\n", mfi_status(status));
return (ENXIO);
}
printf("finished\n");
error = display_pending_firmware(fd);
close(fd);
return (error);
}
MFI_COMMAND(top, flash, flash_adapter);