projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 4395f667 SG |
2 | /* |
| 3 | * Handling of common block commands | |
| 4 | * | |
| 5 | * Copyright (c) 2017 Google, Inc | |
| 6 | * | |
| 7 | * (C) Copyright 2000-2011 | |
| 8 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
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9 | */ |
| 10 | ||
| 11 | #include <common.h> | |
| 12 | #include <blk.h> | |
| 13 | ||
| 1811a928 | 14 | #ifdef CONFIG_HAVE_BLOCK_DEVICE |
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15 | int blk_common_cmd(int argc, char * const argv[], enum if_type if_type, |
| 16 | int *cur_devnump) | |
| 17 | { | |
| 18 | const char *if_name = blk_get_if_type_name(if_type); | |
| 19 | ||
| 20 | switch (argc) { | |
| 21 | case 0: | |
| 22 | case 1: | |
| 23 | return CMD_RET_USAGE; | |
| 24 | case 2: | |
| 25 | if (strncmp(argv[1], "inf", 3) == 0) { | |
| 26 | blk_list_devices(if_type); | |
| 27 | return 0; | |
| 28 | } else if (strncmp(argv[1], "dev", 3) == 0) { | |
| 29 | if (blk_print_device_num(if_type, *cur_devnump)) { | |
| 30 | printf("\nno %s devices available\n", if_name); | |
| 31 | return CMD_RET_FAILURE; | |
| 32 | } | |
| 33 | return 0; | |
| 34 | } else if (strncmp(argv[1], "part", 4) == 0) { | |
| 35 | if (blk_list_part(if_type)) | |
| 36 | printf("\nno %s devices available\n", if_name); | |
| 37 | return 0; | |
| 38 | } | |
| 39 | return CMD_RET_USAGE; | |
| 40 | case 3: | |
| 41 | if (strncmp(argv[1], "dev", 3) == 0) { | |
| 42 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
| 43 | ||
| 44 | if (!blk_show_device(if_type, dev)) { | |
| 45 | *cur_devnump = dev; | |
| 46 | printf("... is now current device\n"); | |
| 47 | } else { | |
| 48 | return CMD_RET_FAILURE; | |
| 49 | } | |
| 50 | return 0; | |
| 51 | } else if (strncmp(argv[1], "part", 4) == 0) { | |
| 52 | int dev = (int)simple_strtoul(argv[2], NULL, 10); | |
| 53 | ||
| 54 | if (blk_print_part_devnum(if_type, dev)) { | |
| 55 | printf("\n%s device %d not available\n", | |
| 56 | if_name, dev); | |
| 57 | return CMD_RET_FAILURE; | |
| 58 | } | |
| 59 | return 0; | |
| 60 | } | |
| 61 | return CMD_RET_USAGE; | |
| 62 | ||
| 63 | default: /* at least 4 args */ | |
| 64 | if (strcmp(argv[1], "read") == 0) { | |
| 65 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
| 66 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
| 67 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
| 68 | ulong n; | |
| 69 | ||
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70 | printf("\n%s read: device %d block # "LBAFU", count %lu ... ", |
| 71 | if_name, *cur_devnump, blk, cnt); | |
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72 | |
| 73 | n = blk_read_devnum(if_type, *cur_devnump, blk, cnt, | |
| 74 | (ulong *)addr); | |
| 75 | ||
| 76 | printf("%ld blocks read: %s\n", n, | |
| 77 | n == cnt ? "OK" : "ERROR"); | |
| 78 | return n == cnt ? 0 : 1; | |
| 79 | } else if (strcmp(argv[1], "write") == 0) { | |
| 80 | ulong addr = simple_strtoul(argv[2], NULL, 16); | |
| 81 | lbaint_t blk = simple_strtoul(argv[3], NULL, 16); | |
| 82 | ulong cnt = simple_strtoul(argv[4], NULL, 16); | |
| 83 | ulong n; | |
| 84 | ||
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85 | printf("\n%s write: device %d block # "LBAFU", count %lu ... ", |
| 86 | if_name, *cur_devnump, blk, cnt); | |
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87 | |
| 88 | n = blk_write_devnum(if_type, *cur_devnump, blk, cnt, | |
| 89 | (ulong *)addr); | |
| 90 | ||
| 91 | printf("%ld blocks written: %s\n", n, | |
| 92 | n == cnt ? "OK" : "ERROR"); | |
| 93 | return n == cnt ? 0 : 1; | |
| 94 | } else { | |
| 95 | return CMD_RET_USAGE; | |
| 96 | } | |
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97 | } |
| 98 | } | |
| 99 | #endif |