| /* |
| * 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 |
| |