[people/ms/u-boot.git] / common / cmd_zfs.c

/*
 *
 * ZFS filesystem porting to Uboot by
 * Jorgen Lundman <lundman at lundman.net>
 *
 * zfsfs support
 * made from existing GRUB Sources by Sun, GNU and others.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 */

#include <common.h>
#include <part.h>
#include <config.h>
#include <command.h>
#include <image.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <zfs_common.h>
#include <linux/stat.h>
#include <malloc.h>

#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
#include <usb.h>
#endif

#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
#error DOS or EFI partition support must be selected
#endif

#define DOS_PART_MAGIC_OFFSET	0x1fe
#define DOS_FS_TYPE_OFFSET	0x36
#define DOS_FS32_TYPE_OFFSET	0x52

static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	char *filename = NULL;
	int dev;
	int part;
	ulong addr = 0;
	disk_partition_t info;
	block_dev_desc_t *dev_desc;
	char buf[12];
	unsigned long count;
	const char *addr_str;
	struct zfs_file zfile;
	struct device_s vdev;

	if (argc < 3)
		return CMD_RET_USAGE;

	count = 0;
	addr = simple_strtoul(argv[3], NULL, 16);
	filename = getenv("bootfile");
	switch (argc) {
	case 3:
		addr_str = getenv("loadaddr");
		if (addr_str != NULL)
			addr = simple_strtoul(addr_str, NULL, 16);
		else
			addr = CONFIG_SYS_LOAD_ADDR;

		break;
	case 4:
		break;
	case 5:
		filename = argv[4];
		break;
	case 6:
		filename = argv[4];
		count = simple_strtoul(argv[5], NULL, 16);
		break;

	default:
		return cmd_usage(cmdtp);
	}

	if (!filename) {
		puts("** No boot file defined **\n");
		return 1;
	}

	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	dev = dev_desc->dev;
	printf("Loading file \"%s\" from %s device %d%c%c\n",
		filename, argv[1], dev,
		part ? ':' : ' ', part ? part + '0' : ' ');

	zfs_set_blk_dev(dev_desc, &info);
	vdev.part_length = info.size;

	memset(&zfile, 0, sizeof(zfile));
	zfile.device = &vdev;
	if (zfs_open(&zfile, filename)) {
		printf("** File not found %s\n", filename);
		return 1;
	}

	if ((count < zfile.size) && (count != 0))
		zfile.size = (uint64_t)count;

	if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
		printf("** Unable to read \"%s\" from %s %d:%d **\n",
			   filename, argv[1], dev, part);
		zfs_close(&zfile);
		return 1;
	}

	zfs_close(&zfile);

	/* Loading ok, update default load address */
	load_addr = addr;

	printf("%llu bytes read\n", zfile.size);
	sprintf(buf, "%llX", zfile.size);
	setenv("filesize", buf);

	return 0;
}


int zfs_print(const char *entry, const struct zfs_dirhook_info *data)
{
	printf("%s %s\n",
		   data->dir ? "<DIR> " : "		 ",
		   entry);
	return 0; /* 0 continue, 1 stop */
}


static int do_zfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	const char *filename = "/";
	int part;
	block_dev_desc_t *dev_desc;
	disk_partition_t info;
	struct device_s vdev;

	if (argc < 2)
		return cmd_usage(cmdtp);

	if (argc == 4)
		filename = argv[3];

	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	zfs_set_blk_dev(dev_desc, &info);
	vdev.part_length = info.size;

	zfs_ls(&vdev, filename,
		   zfs_print);

	return 0;
}


U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls,
		   "list files in a directory (default /)",
		   "<interface> <dev[:part]> [directory]\n"
		   "	  - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");

U_BOOT_CMD(zfsload, 6, 0, do_zfs_load,
		   "load binary file from a ZFS filesystem",
		   "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
		   "	  - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
		   "		 to address 'addr' from ZFS filesystem");
Commit	Line	Data
4d3c95f5 JL	1	/*
	2	*
	3	* ZFS filesystem porting to Uboot by
	4	* Jorgen Lundman <lundman at lundman.net>
	5	*
	6	* zfsfs support
	7	* made from existing GRUB Sources by Sun, GNU and others.
	8	*
	9	* This program is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU General Public License as
	11	* published by the Free Software Foundation; either version 2 of
	12	* the License, or (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	22	* MA 02111-1307 USA
	23	*
	24	*/
	25
	26	#include <common.h>
	27	#include <part.h>
	28	#include <config.h>
	29	#include <command.h>
	30	#include <image.h>
	31	#include <linux/ctype.h>
	32	#include <asm/byteorder.h>
	33	#include <zfs_common.h>
	34	#include <linux/stat.h>
	35	#include <malloc.h>
	36
	37	#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
	38	#include <usb.h>
	39	#endif
	40
	41	#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
	42	#error DOS or EFI partition support must be selected
	43	#endif
	44
	45	#define DOS_PART_MAGIC_OFFSET 0x1fe
	46	#define DOS_FS_TYPE_OFFSET 0x36
	47	#define DOS_FS32_TYPE_OFFSET 0x52
	48
af8d1d3f	49	static int do_zfs_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
4d3c95f5 JL	50	{
4d3c95f5 JL	51	char *filename = NULL;
4d3c95f5	52	int dev;
41204570	53	int part;
4d3c95f5	54	ulong addr = 0;
4d3c95f5	55	disk_partition_t info;
41204570	56	block_dev_desc_t *dev_desc;
4d3c95f5 JL	57	char buf[12];
	58	unsigned long count;
	59	const char *addr_str;
	60	struct zfs_file zfile;
	61	struct device_s vdev;
	62
	63	if (argc < 3)
	64	return CMD_RET_USAGE;
	65
	66	count = 0;
	67	addr = simple_strtoul(argv[3], NULL, 16);
	68	filename = getenv("bootfile");
	69	switch (argc) {
	70	case 3:
	71	addr_str = getenv("loadaddr");
	72	if (addr_str != NULL)
	73	addr = simple_strtoul(addr_str, NULL, 16);
	74	else
	75	addr = CONFIG_SYS_LOAD_ADDR;
	76
	77	break;
	78	case 4:
	79	break;
	80	case 5:
	81	filename = argv[4];
	82	break;
	83	case 6:
	84	filename = argv[4];
	85	count = simple_strtoul(argv[5], NULL, 16);
	86	break;
	87
	88	default:
	89	return cmd_usage(cmdtp);
	90	}
	91
	92	if (!filename) {
	93	puts(" No boot file defined \n");
	94	return 1;
	95	}
	96
10a37fd7	97	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
41204570	98	if (part < 0)
4d3c95f5	99	return 1;
4d3c95f5	100
41204570 RH	101	dev = dev_desc->dev;
	102	printf("Loading file \"%s\" from %s device %d%c%c\n",
	103	filename, argv[1], dev,
	104	part ? ':' : ' ', part ? part + '0' : ' ');
4d3c95f5	105
41204570 RH	106	zfs_set_blk_dev(dev_desc, &info);
41204570 RH	107	vdev.part_length = info.size;
4d3c95f5 JL	108
	109	memset(&zfile, 0, sizeof(zfile));
	110	zfile.device = &vdev;
	111	if (zfs_open(&zfile, filename)) {
	112	printf("** File not found %s\n", filename);
	113	return 1;
	114	}
	115
	116	if ((count < zfile.size) && (count != 0))
	117	zfile.size = (uint64_t)count;
	118
	119	if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
41204570	120	printf(" Unable to read \"%s\" from %s %d:%d \n",
4d3c95f5 JL	121	filename, argv[1], dev, part);
	122	zfs_close(&zfile);
	123	return 1;
	124	}
	125
	126	zfs_close(&zfile);
	127
	128	/* Loading ok, update default load address */
	129	load_addr = addr;
	130
	131	printf("%llu bytes read\n", zfile.size);
	132	sprintf(buf, "%llX", zfile.size);
	133	setenv("filesize", buf);
	134
	135	return 0;
	136	}
	137
	138
	139	int zfs_print(const char entry, const struct zfs_dirhook_info data)
	140	{
	141	printf("%s %s\n",
	142	data->dir ? "<DIR> " : " ",
	143	entry);
	144	return 0; /* 0 continue, 1 stop */
	145	}
	146
	147
	148
af8d1d3f	149	static int do_zfs_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
4d3c95f5 JL	150	{
4d3c95f5 JL	151	const char *filename = "/";
41204570 RH	152	int part;
	153	block_dev_desc_t *dev_desc;
	154	disk_partition_t info;
4d3c95f5 JL	155	struct device_s vdev;
4d3c95f5 JL	156
41204570	157	if (argc < 2)
4d3c95f5 JL	158	return cmd_usage(cmdtp);
4d3c95f5 JL	159
4d3c95f5 JL	160	if (argc == 4)
	161	filename = argv[3];
	162
10a37fd7	163	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
41204570	164	if (part < 0)
4d3c95f5	165	return 1;
4d3c95f5	166
41204570 RH	167	zfs_set_blk_dev(dev_desc, &info);
41204570 RH	168	vdev.part_length = info.size;
4d3c95f5 JL	169
	170	zfs_ls(&vdev, filename,
	171	zfs_print);
	172
	173	return 0;
	174	}
	175
	176
	177	U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls,
	178	"list files in a directory (default /)",
	179	"<interface> <dev[:part]> [directory]\n"
	180	" - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");
	181
	182	U_BOOT_CMD(zfsload, 6, 0, do_zfs_load,
	183	"load binary file from a ZFS filesystem",
	184	"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
	185	" - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
	186	" to address 'addr' from ZFS filesystem");