util-linux/volume_id/unused_silicon_raid.c

/*
 * volume_id - reads filesystem label and uuid
 *
 * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
 *
 *	This library is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU Lesser General Public
 *	License as published by the Free Software Foundation; either
 *	version 2.1 of the License, or (at your option) any later version.
 *
 *	This library 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
 *	Lesser General Public License for more details.
 *
 *	You should have received a copy of the GNU Lesser General Public
 *	License along with this library; if not, write to the Free Software
 *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "volume_id_internal.h"

struct silicon_meta {
	uint8_t		unknown0[0x2E];
	uint8_t		ascii_version[0x36 - 0x2E];
	uint8_t		diskname[0x56 - 0x36];
	uint8_t		unknown1[0x60 - 0x56];
	uint32_t	magic;
	uint32_t	unknown1a[0x6C - 0x64];
	uint32_t	array_sectors_low;
	uint32_t	array_sectors_high;
	uint8_t		unknown2[0x78 - 0x74];
	uint32_t	thisdisk_sectors;
	uint8_t		unknown3[0x100 - 0x7C];
	uint8_t		unknown4[0x104 - 0x100];
	uint16_t	product_id;
	uint16_t	vendor_id;
	uint16_t	minor_ver;
	uint16_t	major_ver;
} PACKED;

#define SILICON_MAGIC		0x2F000000

int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
	uint64_t meta_off;
	struct silicon_meta *sil;

	dbg("probing at offset 0x%llx, size 0x%llx",
	    (unsigned long long) off, (unsigned long long) size);

	if (size < 0x10000)
		return -1;

	meta_off = ((size / 0x200)-1) * 0x200;
	sil = volume_id_get_buffer(id, off + meta_off, 0x200);
	if (sil == NULL)
		return -1;

	if (sil->magic != cpu_to_le32(SILICON_MAGIC))
		return -1;

//	volume_id_set_usage(id, VOLUME_ID_RAID);
//	snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
//		 le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
//	id->type = "silicon_medley_raid_member";

	return 0;
}
1	/*
2	* volume_id - reads filesystem label and uuid
3	*
4	* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
5	*
6	* This library is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU Lesser General Public
8	* License as published by the Free Software Foundation; either
9	* version 2.1 of the License, or (at your option) any later version.
10	*
11	* This library is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* Lesser General Public License for more details.
15	*
16	* You should have received a copy of the GNU Lesser General Public
17	* License along with this library; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	#include "volume_id_internal.h"
22
23	struct silicon_meta {
24	uint8_t unknown0[0x2E];
25	uint8_t ascii_version[0x36 - 0x2E];
26	uint8_t diskname[0x56 - 0x36];
27	uint8_t unknown1[0x60 - 0x56];
28	uint32_t magic;
29	uint32_t unknown1a[0x6C - 0x64];
30	uint32_t array_sectors_low;
31	uint32_t array_sectors_high;
32	uint8_t unknown2[0x78 - 0x74];
33	uint32_t thisdisk_sectors;
34	uint8_t unknown3[0x100 - 0x7C];
35	uint8_t unknown4[0x104 - 0x100];
36	uint16_t product_id;
37	uint16_t vendor_id;
38	uint16_t minor_ver;
39	uint16_t major_ver;
40	} PACKED;
41
42	#define SILICON_MAGIC 0x2F000000
43
44	int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
45	{
46	uint64_t meta_off;
47	struct silicon_meta *sil;
48
49	dbg("probing at offset 0x%llx, size 0x%llx",
50	(unsigned long long) off, (unsigned long long) size);
51
52	if (size < 0x10000)
53	return -1;
54
55	meta_off = ((size / 0x200)-1) * 0x200;
56	sil = volume_id_get_buffer(id, off + meta_off, 0x200);
57	if (sil == NULL)
58	return -1;
59
60	if (sil->magic != cpu_to_le32(SILICON_MAGIC))
61	return -1;
62
63	// volume_id_set_usage(id, VOLUME_ID_RAID);
64	// snprintf(id->type_version, sizeof(id->type_version)-1, "%u.%u",
65	// le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
66	// id->type = "silicon_medley_raid_member";
67
68	return 0;
69	}