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cmd/blk_common.c
2.56 KB
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// SPDX-License-Identifier: GPL-2.0+ |
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/* * Handling of common block commands * * Copyright (c) 2017 Google, Inc * * (C) Copyright 2000-2011 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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*/ #include <common.h> #include <blk.h> |
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#ifdef CONFIG_HAVE_BLOCK_DEVICE |
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int blk_common_cmd(int argc, char * const argv[], enum if_type if_type, int *cur_devnump) { const char *if_name = blk_get_if_type_name(if_type); switch (argc) { case 0: case 1: return CMD_RET_USAGE; case 2: if (strncmp(argv[1], "inf", 3) == 0) { blk_list_devices(if_type); return 0; } else if (strncmp(argv[1], "dev", 3) == 0) { if (blk_print_device_num(if_type, *cur_devnump)) { printf(" no %s devices available ", if_name); return CMD_RET_FAILURE; } return 0; } else if (strncmp(argv[1], "part", 4) == 0) { if (blk_list_part(if_type)) printf(" no %s devices available ", if_name); return 0; } return CMD_RET_USAGE; case 3: if (strncmp(argv[1], "dev", 3) == 0) { int dev = (int)simple_strtoul(argv[2], NULL, 10); if (!blk_show_device(if_type, dev)) { *cur_devnump = dev; printf("... is now current device "); } else { return CMD_RET_FAILURE; } return 0; } else if (strncmp(argv[1], "part", 4) == 0) { int dev = (int)simple_strtoul(argv[2], NULL, 10); if (blk_print_part_devnum(if_type, dev)) { printf(" %s device %d not available ", if_name, dev); return CMD_RET_FAILURE; } return 0; } return CMD_RET_USAGE; default: /* at least 4 args */ if (strcmp(argv[1], "read") == 0) { ulong addr = simple_strtoul(argv[2], NULL, 16); lbaint_t blk = simple_strtoul(argv[3], NULL, 16); ulong cnt = simple_strtoul(argv[4], NULL, 16); ulong n; |
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printf(" %s read: device %d block # "LBAFU", count %lu ... ", if_name, *cur_devnump, blk, cnt); |
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n = blk_read_devnum(if_type, *cur_devnump, blk, cnt, (ulong *)addr); printf("%ld blocks read: %s ", n, n == cnt ? "OK" : "ERROR"); return n == cnt ? 0 : 1; } else if (strcmp(argv[1], "write") == 0) { ulong addr = simple_strtoul(argv[2], NULL, 16); lbaint_t blk = simple_strtoul(argv[3], NULL, 16); ulong cnt = simple_strtoul(argv[4], NULL, 16); ulong n; |
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printf(" %s write: device %d block # "LBAFU", count %lu ... ", if_name, *cur_devnump, blk, cnt); |
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n = blk_write_devnum(if_type, *cur_devnump, blk, cnt, (ulong *)addr); printf("%ld blocks written: %s ", n, n == cnt ? "OK" : "ERROR"); return n == cnt ? 0 : 1; } else { return CMD_RET_USAGE; } |
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} } #endif |