blob: 90bfc1155e4faf1f65dc834ba0ef2db3c5129509 [file] [log] [blame]
/*
* Copyright (c) 2009 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <debug.h>
#include <stdlib.h>
#include <string.h>
#include <lib/console.h>
#include <lib/bio.h>
#include <lib/partition.h>
#include <platform.h>
#if defined(WITH_LIB_CONSOLE)
#if DEBUGLEVEL > 0
static int cmd_bio(int argc, const cmd_args *argv);
STATIC_COMMAND_START
STATIC_COMMAND("bio", "block io debug commands", &cmd_bio)
STATIC_COMMAND_END(bio);
static int cmd_bio(int argc, const cmd_args *argv)
{
int rc = 0;
if (argc < 2) {
printf("not enough arguments:\n");
usage:
printf("%s list\n", argv[0].str);
printf("%s read <device> <address> <offset> <len>\n", argv[0].str);
printf("%s write <device> <address> <offset> <len>\n", argv[0].str);
printf("%s erase <device> <offset> <len>\n", argv[0].str);
printf("%s ioctl <device> <request> <arg>\n", argv[0].str);
printf("%s remove <device>\n", argv[0].str);
#if WITH_LIB_PARTITION
printf("%s partscan <device> [offset]\n", argv[0].str);
#endif
return -1;
}
if (!strcmp(argv[1].str, "list")) {
bio_dump_devices();
} else if (!strcmp(argv[1].str, "read")) {
if (argc < 6) {
printf("not enough arguments:\n");
goto usage;
}
addr_t address = argv[3].u;
off_t offset = argv[4].u; // XXX use long
size_t len = argv[5].u;
bdev_t *dev = bio_open(argv[2].str);
if (!dev) {
printf("error opening block device\n");
return -1;
}
time_t t = current_time();
ssize_t err = bio_read(dev, (void *)address, offset, len);
t = current_time() - t;
dprintf(INFO, "bio_read returns %d, took %u msecs (%d bytes/sec)\n", (int)err, (uint)t, (uint32_t)((uint64_t)err * 1000 / t));
bio_close(dev);
rc = err;
} else if (!strcmp(argv[1].str, "write")) {
if (argc < 6) {
printf("not enough arguments:\n");
goto usage;
}
addr_t address = argv[3].u;
off_t offset = argv[4].u; // XXX use long
size_t len = argv[5].u;
bdev_t *dev = bio_open(argv[2].str);
if (!dev) {
printf("error opening block device\n");
return -1;
}
time_t t = current_time();
ssize_t err = bio_write(dev, (void *)address, offset, len);
t = current_time() - t;
dprintf(INFO, "bio_write returns %d, took %u msecs (%d bytes/sec)\n", (int)err, (uint)t, (uint32_t)((uint64_t)err * 1000 / t));
bio_close(dev);
rc = err;
} else if (!strcmp(argv[1].str, "erase")) {
if (argc < 5) {
printf("not enough arguments:\n");
goto usage;
}
off_t offset = argv[3].u; // XXX use long
size_t len = argv[4].u;
bdev_t *dev = bio_open(argv[2].str);
if (!dev) {
printf("error opening block device\n");
return -1;
}
time_t t = current_time();
ssize_t err = bio_erase(dev, offset, len);
t = current_time() - t;
dprintf(INFO, "bio_erase returns %d, took %u msecs (%d bytes/sec)\n", (int)err, (uint)t, (uint32_t)((uint64_t)err * 1000 / t));
bio_close(dev);
rc = err;
} else if (!strcmp(argv[1].str, "ioctl")) {
if (argc < 4) {
printf("not enough arguments:\n");
goto usage;
}
int request = argv[3].u;
int arg = (argc == 5) ? argv[4].u : 0;
bdev_t *dev = bio_open(argv[2].str);
if (!dev) {
printf("error opening block device\n");
return -1;
}
int err = bio_ioctl(dev, request, (void *)arg);
dprintf(INFO, "bio_ioctl returns %d\n", err);
bio_close(dev);
rc = err;
} else if (!strcmp(argv[1].str, "remove")) {
if (argc < 3) {
printf("not enough arguments:\n");
goto usage;
}
bdev_t *dev = bio_open(argv[2].str);
if (!dev) {
printf("error opening block device\n");
return -1;
}
bio_unregister_device(dev);
bio_close(dev);
#if WITH_LIB_PARTITION
} else if (!strcmp(argv[1].str, "partscan")) {
if (argc < 3) {
printf("not enough arguments:\n");
goto usage;
}
off_t offset = 0;
if (argc > 3)
offset = argv[3].u;
rc = partition_publish(argv[2].str, offset);
dprintf(INFO, "partition_publish returns %d\n", rc);
#endif
} else {
printf("unrecognized subcommand\n");
goto usage;
}
return rc;
}
#endif
#endif