freebsd-dev/sbin/camcontrol/fwdownload.c
Ed Schouten 5111cde131 Add missing static keywords to global variables in camcontrol.
While there, make the vendor list const and add appropriate keywords to
functions that use this list.
2011-12-11 11:38:50 +00:00

390 lines
11 KiB
C

/*-
* Copyright (c) 2011 Sandvine Incorporated. All rights reserved.
* Copyright (c) 2002-2011 Andre Albsmeier <andre@albsmeier.net>
* 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,
* without modification, immediately at the beginning of the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/*
* This software is derived from Andre Albsmeier's fwprog.c which contained
* the following note:
*
* Many thanks goes to Marc Frajola <marc@terasolutions.com> from
* TeraSolutions for the initial idea and his programme for upgrading
* the firmware of I*M DDYS drives.
*/
/*
* BEWARE:
*
* The fact that you see your favorite vendor listed below does not
* imply that your equipment won't break when you use this software
* with it. It only means that the firmware of at least one device type
* of each vendor listed has been programmed successfully using this code.
*
* The -s option simulates a download but does nothing apart from that.
* It can be used to check what chunk sizes would have been used with the
* specified device.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/stat.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
#include <camlib.h>
#include "camcontrol.h"
#define CMD_TIMEOUT 50000 /* 50 seconds */
typedef enum {
VENDOR_HITACHI,
VENDOR_HP,
VENDOR_IBM,
VENDOR_PLEXTOR,
VENDOR_QUANTUM,
VENDOR_SEAGATE,
VENDOR_UNKNOWN
} fw_vendor_t;
struct fw_vendor {
fw_vendor_t type;
const char *pattern;
int max_pkt_size;
u_int8_t cdb_byte2;
u_int8_t cdb_byte2_last;
int inc_cdb_buffer_id;
int inc_cdb_offset;
};
static const struct fw_vendor vendors_list[] = {
{VENDOR_HITACHI, "HITACHI", 0x8000, 0x05, 0x05, 1, 0},
{VENDOR_HP, "HP", 0x8000, 0x07, 0x07, 0, 1},
{VENDOR_IBM, "IBM", 0x8000, 0x05, 0x05, 1, 0},
{VENDOR_PLEXTOR, "PLEXTOR", 0x2000, 0x04, 0x05, 0, 1},
{VENDOR_QUANTUM, "QUANTUM", 0x2000, 0x04, 0x05, 0, 1},
{VENDOR_SEAGATE, "SEAGATE", 0x8000, 0x07, 0x07, 0, 1},
{VENDOR_UNKNOWN, NULL, 0x0000, 0x00, 0x00, 0, 0}
};
static const struct fw_vendor *fw_get_vendor(struct cam_device *cam_dev);
static char *fw_read_img(const char *fw_img_path,
const struct fw_vendor *vp, int *num_bytes);
static int fw_download_img(struct cam_device *cam_dev,
const struct fw_vendor *vp, char *buf, int img_size,
int sim_mode, int verbose, int retry_count, int timeout);
/*
* Find entry in vendors list that belongs to
* the vendor of given cam device.
*/
static const struct fw_vendor *
fw_get_vendor(struct cam_device *cam_dev)
{
char vendor[SID_VENDOR_SIZE + 1];
const struct fw_vendor *vp;
if (cam_dev == NULL)
return (NULL);
cam_strvis((u_char *)vendor, (u_char *)cam_dev->inq_data.vendor,
sizeof(cam_dev->inq_data.vendor), sizeof(vendor));
for (vp = vendors_list; vp->pattern != NULL; vp++) {
if (!cam_strmatch((const u_char *)vendor,
(const u_char *)vp->pattern, strlen(vendor)))
break;
}
return (vp);
}
/*
* Allocate a buffer and read fw image file into it
* from given path. Number of bytes read is stored
* in num_bytes.
*/
static char *
fw_read_img(const char *fw_img_path, const struct fw_vendor *vp, int *num_bytes)
{
int fd;
struct stat stbuf;
char *buf;
off_t img_size;
int skip_bytes = 0;
if ((fd = open(fw_img_path, O_RDONLY)) < 0) {
warn("Could not open image file %s", fw_img_path);
return (NULL);
}
if (fstat(fd, &stbuf) < 0) {
warn("Could not stat image file %s", fw_img_path);
goto bailout1;
}
if ((img_size = stbuf.st_size) == 0) {
warnx("Zero length image file %s", fw_img_path);
goto bailout1;
}
if ((buf = malloc(img_size)) == NULL) {
warnx("Could not allocate buffer to read image file %s",
fw_img_path);
goto bailout1;
}
/* Skip headers if applicable. */
switch (vp->type) {
case VENDOR_SEAGATE:
if (read(fd, buf, 16) != 16) {
warn("Could not read image file %s", fw_img_path);
goto bailout;
}
if (lseek(fd, 0, SEEK_SET) == -1) {
warn("Unable to lseek");
goto bailout;
}
if ((strncmp(buf, "SEAGATE,SEAGATE ", 16) == 0) ||
(img_size % 512 == 80))
skip_bytes = 80;
break;
default:
break;
}
if (skip_bytes != 0) {
fprintf(stdout, "Skipping %d byte header.\n", skip_bytes);
if (lseek(fd, skip_bytes, SEEK_SET) == -1) {
warn("Could not lseek");
goto bailout;
}
img_size -= skip_bytes;
}
/* Read image into a buffer. */
if (read(fd, buf, img_size) != img_size) {
warn("Could not read image file %s", fw_img_path);
goto bailout;
}
*num_bytes = img_size;
return (buf);
bailout:
free(buf);
bailout1:
close(fd);
*num_bytes = 0;
return (NULL);
}
/*
* Download firmware stored in buf to cam_dev. If simulation mode
* is enabled, only show what packet sizes would be sent to the
* device but do not sent any actual packets
*/
static int
fw_download_img(struct cam_device *cam_dev, const struct fw_vendor *vp,
char *buf, int img_size, int sim_mode, int verbose, int retry_count,
int timeout)
{
struct scsi_write_buffer cdb;
union ccb *ccb;
int pkt_count = 0;
u_int32_t pkt_size = 0;
char *pkt_ptr = buf;
u_int32_t offset;
int last_pkt = 0;
if ((ccb = cam_getccb(cam_dev)) == NULL) {
warnx("Could not allocate CCB");
return (1);
}
scsi_test_unit_ready(&ccb->csio, 0, NULL, MSG_SIMPLE_Q_TAG,
SSD_FULL_SIZE, 5000);
/* Disable freezing the device queue. */
ccb->ccb_h.flags |= CAM_DEV_QFRZDIS;
if (cam_send_ccb(cam_dev, ccb) < 0) {
warnx("Error sending test unit ready");
if (verbose)
cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
cam_freeccb(ccb);
return(1);
}
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
warnx("Device is not ready");
if (verbose)
cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
cam_freeccb(ccb);
return (1);
}
pkt_size = vp->max_pkt_size;
if (verbose || sim_mode) {
fprintf(stdout,
"--------------------------------------------------\n");
fprintf(stdout,
"PktNo. PktSize BytesRemaining LastPkt\n");
fprintf(stdout,
"--------------------------------------------------\n");
}
/* Download single fw packets. */
do {
if (img_size <= vp->max_pkt_size) {
last_pkt = 1;
pkt_size = img_size;
}
if (verbose || sim_mode)
fprintf(stdout, "%3u %5u (0x%05X) %7u (0x%06X) "
"%d\n", pkt_count, pkt_size, pkt_size,
img_size - pkt_size, img_size - pkt_size,
last_pkt);
bzero(&cdb, sizeof(cdb));
cdb.opcode = WRITE_BUFFER;
cdb.control = 0;
/* Parameter list length. */
scsi_ulto3b(pkt_size, &cdb.length[0]);
offset = vp->inc_cdb_offset ? (pkt_ptr - buf) : 0;
scsi_ulto3b(offset, &cdb.offset[0]);
cdb.byte2 = last_pkt ? vp->cdb_byte2_last : vp->cdb_byte2;
cdb.buffer_id = vp->inc_cdb_buffer_id ? pkt_count : 0;
/* Zero out payload of ccb union after ccb header. */
bzero((u_char *)ccb + sizeof(struct ccb_hdr),
sizeof(struct ccb_scsiio) - sizeof(struct ccb_hdr));
/* Copy previously constructed cdb into ccb_scsiio struct. */
bcopy(&cdb, &ccb->csio.cdb_io.cdb_bytes[0],
sizeof(struct scsi_write_buffer));
/* Fill rest of ccb_scsiio struct. */
if (!sim_mode) {
cam_fill_csio(&ccb->csio, /* ccb_scsiio */
retry_count, /* retries */
NULL, /* cbfcnp */
CAM_DIR_OUT | CAM_DEV_QFRZDIS, /* flags */
CAM_TAG_ACTION_NONE, /* tag_action */
(u_char *)pkt_ptr, /* data_ptr */
pkt_size, /* dxfer_len */
SSD_FULL_SIZE, /* sense_len */
sizeof(struct scsi_write_buffer), /* cdb_len */
timeout ? timeout : CMD_TIMEOUT); /* timeout */
/* Execute the command. */
if (cam_send_ccb(cam_dev, ccb) < 0) {
warnx("Error writing image to device");
if (verbose)
cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
goto bailout;
}
}
/* Prepare next round. */
pkt_count++;
pkt_ptr += pkt_size;
img_size -= pkt_size;
} while(!last_pkt);
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
if (verbose)
cam_error_print(cam_dev, ccb, CAM_ESF_ALL,
CAM_EPF_ALL, stderr);
goto bailout;
}
cam_freeccb(ccb);
return (0);
bailout:
cam_freeccb(ccb);
return (1);
}
int
fwdownload(struct cam_device *device, int argc, char **argv,
char *combinedopt, int verbose, int retry_count, int timeout)
{
const struct fw_vendor *vp;
char *fw_img_path = NULL;
char *buf;
int img_size;
int c;
int sim_mode = 0;
int confirmed = 0;
while ((c = getopt(argc, argv, combinedopt)) != -1) {
switch (c) {
case 's':
sim_mode = 1;
confirmed = 1;
break;
case 'f':
fw_img_path = optarg;
break;
case 'y':
confirmed = 1;
break;
default:
break;
}
}
if (fw_img_path == NULL)
errx(1,
"you must specify a firmware image file using -f option");
vp = fw_get_vendor(device);
if (vp == NULL || vp->type == VENDOR_UNKNOWN)
errx(1, "Unsupported device");
buf = fw_read_img(fw_img_path, vp, &img_size);
if (buf == NULL)
goto fail;
if (!confirmed) {
fprintf(stdout, "You are about to download firmware image (%s)"
" into the following device:\n",
fw_img_path);
if (scsidoinquiry(device, argc, argv, combinedopt, 0,
5000) != 0) {
warnx("Error sending inquiry");
goto fail;
}
fprintf(stdout, "\nIt may damage your drive. ");
if (!get_confirmation())
goto fail;
}
if (sim_mode)
fprintf(stdout, "Running in simulation mode\n");
if (fw_download_img(device, vp, buf, img_size, sim_mode, verbose,
retry_count, timeout) != 0) {
fprintf(stderr, "Firmware download failed\n");
goto fail;
} else
fprintf(stdout, "Firmware download successful\n");
free(buf);
return (0);
fail:
if (buf != NULL)
free(buf);
return (1);
}