[J-u-boot.git] / cmd / blk_common.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Handling of common block commands
 *
 * Copyright (c) 2017 Google, Inc
 *
 * (C) Copyright 2000-2011
 * Wolfgang Denk, DENX Software Engineering, [email protected].
 */

#include <common.h>
#include <blk.h>
#include <command.h>

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("\nno %s devices available\n", if_name);
				return CMD_RET_FAILURE;
			}
			return 0;
		} else if (strncmp(argv[1], "part", 4) == 0) {
			if (blk_list_part(if_type))
				printf("\nno %s partition table available\n",
				       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\n");
			} 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("\n%s device %d not available\n",
				       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;

			printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
			       if_name, *cur_devnump, blk, cnt);

			n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
					    (ulong *)addr);

			printf("%ld blocks read: %s\n", 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;

			printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
			       if_name, *cur_devnump, blk, cnt);

			n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
					     (ulong *)addr);

			printf("%ld blocks written: %s\n", n,
			       n == cnt ? "OK" : "ERROR");
			return n == cnt ? 0 : 1;
		} else {
			return CMD_RET_USAGE;
		}
	}
}
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, [email protected].
4395f667 SG	9	*/
	10
	11	#include <common.h>
	12	#include <blk.h>
09140113	13	#include <command.h>
4395f667	14
09140113	15	int blk_common_cmd(int argc, char *const argv[], enum if_type if_type,
4395f667 SG	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))
45e4968e AB	36	printf("\nno %s partition table available\n",
45e4968e AB	37	if_name);
4395f667 SG	38	return 0;
	39	}
	40	return CMD_RET_USAGE;
	41	case 3:
	42	if (strncmp(argv[1], "dev", 3) == 0) {
	43	int dev = (int)simple_strtoul(argv[2], NULL, 10);
	44
	45	if (!blk_show_device(if_type, dev)) {
	46	*cur_devnump = dev;
	47	printf("... is now current device\n");
	48	} else {
	49	return CMD_RET_FAILURE;
	50	}
	51	return 0;
	52	} else if (strncmp(argv[1], "part", 4) == 0) {
	53	int dev = (int)simple_strtoul(argv[2], NULL, 10);
	54
	55	if (blk_print_part_devnum(if_type, dev)) {
	56	printf("\n%s device %d not available\n",
	57	if_name, dev);
	58	return CMD_RET_FAILURE;
	59	}
	60	return 0;
	61	}
	62	return CMD_RET_USAGE;
	63
	64	default: /* at least 4 args */
	65	if (strcmp(argv[1], "read") == 0) {
	66	ulong addr = simple_strtoul(argv[2], NULL, 16);
	67	lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
	68	ulong cnt = simple_strtoul(argv[4], NULL, 16);
	69	ulong n;
	70
e2888a7f BM	71	printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
e2888a7f BM	72	if_name, *cur_devnump, blk, cnt);
4395f667 SG	73
	74	n = blk_read_devnum(if_type, *cur_devnump, blk, cnt,
	75	(ulong *)addr);
	76
	77	printf("%ld blocks read: %s\n", n,
	78	n == cnt ? "OK" : "ERROR");
	79	return n == cnt ? 0 : 1;
	80	} else if (strcmp(argv[1], "write") == 0) {
	81	ulong addr = simple_strtoul(argv[2], NULL, 16);
	82	lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
	83	ulong cnt = simple_strtoul(argv[4], NULL, 16);
	84	ulong n;
	85
e2888a7f BM	86	printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
e2888a7f BM	87	if_name, *cur_devnump, blk, cnt);
4395f667 SG	88
	89	n = blk_write_devnum(if_type, *cur_devnump, blk, cnt,
	90	(ulong *)addr);
	91
	92	printf("%ld blocks written: %s\n", n,
	93	n == cnt ? "OK" : "ERROR");
	94	return n == cnt ? 0 : 1;
	95	} else {
	96	return CMD_RET_USAGE;
	97	}
4395f667 SG	98	}
4395f667 SG	99	}