util-linux/volume_id/unused_ufs.c

/*
 * volume_id - reads filesystem label and uuid
 *
 * Copyright (C) 2004 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 ufs_super_block {
	uint32_t	fs_link;
	uint32_t	fs_rlink;
	uint32_t	fs_sblkno;
	uint32_t	fs_cblkno;
	uint32_t	fs_iblkno;
	uint32_t	fs_dblkno;
	uint32_t	fs_cgoffset;
	uint32_t	fs_cgmask;
	uint32_t	fs_time;
	uint32_t	fs_size;
	uint32_t	fs_dsize;
	uint32_t	fs_ncg;
	uint32_t	fs_bsize;
	uint32_t	fs_fsize;
	uint32_t	fs_frag;
	uint32_t	fs_minfree;
	uint32_t	fs_rotdelay;
	uint32_t	fs_rps;
	uint32_t	fs_bmask;
	uint32_t	fs_fmask;
	uint32_t	fs_bshift;
	uint32_t	fs_fshift;
	uint32_t	fs_maxcontig;
	uint32_t	fs_maxbpg;
	uint32_t	fs_fragshift;
	uint32_t	fs_fsbtodb;
	uint32_t	fs_sbsize;
	uint32_t	fs_csmask;
	uint32_t	fs_csshift;
	uint32_t	fs_nindir;
	uint32_t	fs_inopb;
	uint32_t	fs_nspf;
	uint32_t	fs_optim;
	uint32_t	fs_npsect_state;
	uint32_t	fs_interleave;
	uint32_t	fs_trackskew;
	uint32_t	fs_id[2];
	uint32_t	fs_csaddr;
	uint32_t	fs_cssize;
	uint32_t	fs_cgsize;
	uint32_t	fs_ntrak;
	uint32_t	fs_nsect;
	uint32_t	fs_spc;
	uint32_t	fs_ncyl;
	uint32_t	fs_cpg;
	uint32_t	fs_ipg;
	uint32_t	fs_fpg;
	struct ufs_csum {
		uint32_t	cs_ndir;
		uint32_t	cs_nbfree;
		uint32_t	cs_nifree;
		uint32_t	cs_nffree;
	} PACKED fs_cstotal;
	int8_t		fs_fmod;
	int8_t		fs_clean;
	int8_t		fs_ronly;
	int8_t		fs_flags;
	union {
		struct {
			int8_t	fs_fsmnt[512];
			uint32_t	fs_cgrotor;
			uint32_t	fs_csp[31];
			uint32_t	fs_maxcluster;
			uint32_t	fs_cpc;
			uint16_t	fs_opostbl[16][8];
		} PACKED fs_u1;
		struct {
			int8_t		fs_fsmnt[468];
			uint8_t		fs_volname[32];
			uint64_t	fs_swuid;
			int32_t		fs_pad;
			uint32_t	fs_cgrotor;
			uint32_t	fs_ocsp[28];
			uint32_t	fs_contigdirs;
			uint32_t	fs_csp;
			uint32_t	fs_maxcluster;
			uint32_t	fs_active;
			int32_t		fs_old_cpc;
			int32_t		fs_maxbsize;
			int64_t		fs_sparecon64[17];
			int64_t		fs_sblockloc;
			struct ufs2_csum_total {
				uint64_t	cs_ndir;
				uint64_t	cs_nbfree;
				uint64_t	cs_nifree;
				uint64_t	cs_nffree;
				uint64_t	cs_numclusters;
				uint64_t	cs_spare[3];
			} PACKED fs_cstotal;
			struct ufs_timeval {
				int32_t		tv_sec;
				int32_t		tv_usec;
			} PACKED fs_time;
			int64_t		fs_size;
			int64_t		fs_dsize;
			uint64_t	fs_csaddr;
			int64_t		fs_pendingblocks;
			int32_t		fs_pendinginodes;
		} PACKED fs_u2;
	}  fs_u11;
	union {
		struct {
			int32_t		fs_sparecon[53];
			int32_t		fs_reclaim;
			int32_t		fs_sparecon2[1];
			int32_t		fs_state;
			uint32_t	fs_qbmask[2];
			uint32_t	fs_qfmask[2];
		} PACKED fs_sun;
		struct {
			int32_t		fs_sparecon[53];
			int32_t		fs_reclaim;
			int32_t		fs_sparecon2[1];
			uint32_t	fs_npsect;
			uint32_t	fs_qbmask[2];
			uint32_t	fs_qfmask[2];
		} PACKED fs_sunx86;
		struct {
			int32_t		fs_sparecon[50];
			int32_t		fs_contigsumsize;
			int32_t		fs_maxsymlinklen;
			int32_t		fs_inodefmt;
			uint32_t	fs_maxfilesize[2];
			uint32_t	fs_qbmask[2];
			uint32_t	fs_qfmask[2];
			int32_t		fs_state;
		} PACKED fs_44;
	} fs_u2;
	int32_t		fs_postblformat;
	int32_t		fs_nrpos;
	int32_t		fs_postbloff;
	int32_t		fs_rotbloff;
	uint32_t	fs_magic;
	uint8_t		fs_space[1];
} PACKED;

#define UFS_MAGIC			0x00011954
#define UFS2_MAGIC			0x19540119
#define UFS_MAGIC_FEA			0x00195612
#define UFS_MAGIC_LFN			0x00095014

int FAST_FUNC volume_id_probe_ufs(struct volume_id *id, uint64_t off)
{
	static const short offsets[] = { 0, 8, 64, 256 };

	uint32_t magic;
	unsigned i;
	struct ufs_super_block *ufs;

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

	for (i = 0; i < ARRAY_SIZE(offsets); i++) {
		ufs = volume_id_get_buffer(id, off + (offsets[i] * 0x400), 0x800);
		if (ufs == NULL)
			return -1;

		dbg("offset 0x%x", offsets[i] * 0x400);
		magic = ufs->fs_magic;
		if ((magic == cpu_to_be32(UFS_MAGIC))
		 || (magic == cpu_to_be32(UFS2_MAGIC))
		 || (magic == cpu_to_be32(UFS_MAGIC_FEA))
		 || (magic == cpu_to_be32(UFS_MAGIC_LFN))
		) {
			dbg("magic 0x%08x(be)", magic);
			goto found;
		}
		if ((magic == cpu_to_le32(UFS_MAGIC))
		 || (magic == cpu_to_le32(UFS2_MAGIC))
		 || (magic == cpu_to_le32(UFS_MAGIC_FEA))
		 || (magic == cpu_to_le32(UFS_MAGIC_LFN))
		) {
			dbg("magic 0x%08x(le)", magic);
			goto found;
		}
	}
	return -1;

 found:
//	volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
//	id->type = "ufs";

	return 0;
}
1	niro	816	/*
2			* volume_id - reads filesystem label and uuid
3			*
4			* Copyright (C) 2004 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 ufs_super_block {
24			uint32_t fs_link;
25			uint32_t fs_rlink;
26			uint32_t fs_sblkno;
27			uint32_t fs_cblkno;
28			uint32_t fs_iblkno;
29			uint32_t fs_dblkno;
30			uint32_t fs_cgoffset;
31			uint32_t fs_cgmask;
32			uint32_t fs_time;
33			uint32_t fs_size;
34			uint32_t fs_dsize;
35			uint32_t fs_ncg;
36			uint32_t fs_bsize;
37			uint32_t fs_fsize;
38			uint32_t fs_frag;
39			uint32_t fs_minfree;
40			uint32_t fs_rotdelay;
41			uint32_t fs_rps;
42			uint32_t fs_bmask;
43			uint32_t fs_fmask;
44			uint32_t fs_bshift;
45			uint32_t fs_fshift;
46			uint32_t fs_maxcontig;
47			uint32_t fs_maxbpg;
48			uint32_t fs_fragshift;
49			uint32_t fs_fsbtodb;
50			uint32_t fs_sbsize;
51			uint32_t fs_csmask;
52			uint32_t fs_csshift;
53			uint32_t fs_nindir;
54			uint32_t fs_inopb;
55			uint32_t fs_nspf;
56			uint32_t fs_optim;
57			uint32_t fs_npsect_state;
58			uint32_t fs_interleave;
59			uint32_t fs_trackskew;
60			uint32_t fs_id[2];
61			uint32_t fs_csaddr;
62			uint32_t fs_cssize;
63			uint32_t fs_cgsize;
64			uint32_t fs_ntrak;
65			uint32_t fs_nsect;
66			uint32_t fs_spc;
67			uint32_t fs_ncyl;
68			uint32_t fs_cpg;
69			uint32_t fs_ipg;
70			uint32_t fs_fpg;
71			struct ufs_csum {
72			uint32_t cs_ndir;
73			uint32_t cs_nbfree;
74			uint32_t cs_nifree;
75			uint32_t cs_nffree;
76	niro	984	} PACKED fs_cstotal;
77	niro	816	int8_t fs_fmod;
78			int8_t fs_clean;
79			int8_t fs_ronly;
80			int8_t fs_flags;
81			union {
82			struct {
83			int8_t fs_fsmnt[512];
84			uint32_t fs_cgrotor;
85			uint32_t fs_csp[31];
86			uint32_t fs_maxcluster;
87			uint32_t fs_cpc;
88			uint16_t fs_opostbl[16][8];
89	niro	984	} PACKED fs_u1;
90	niro	816	struct {
91			int8_t fs_fsmnt[468];
92			uint8_t fs_volname[32];
93			uint64_t fs_swuid;
94			int32_t fs_pad;
95			uint32_t fs_cgrotor;
96			uint32_t fs_ocsp[28];
97			uint32_t fs_contigdirs;
98			uint32_t fs_csp;
99			uint32_t fs_maxcluster;
100			uint32_t fs_active;
101			int32_t fs_old_cpc;
102			int32_t fs_maxbsize;
103			int64_t fs_sparecon64[17];
104			int64_t fs_sblockloc;
105			struct ufs2_csum_total {
106			uint64_t cs_ndir;
107			uint64_t cs_nbfree;
108			uint64_t cs_nifree;
109			uint64_t cs_nffree;
110			uint64_t cs_numclusters;
111			uint64_t cs_spare[3];
112	niro	984	} PACKED fs_cstotal;
113	niro	816	struct ufs_timeval {
114			int32_t tv_sec;
115			int32_t tv_usec;
116	niro	984	} PACKED fs_time;
117	niro	816	int64_t fs_size;
118			int64_t fs_dsize;
119			uint64_t fs_csaddr;
120			int64_t fs_pendingblocks;
121			int32_t fs_pendinginodes;
122	niro	984	} PACKED fs_u2;
123	niro	816	} fs_u11;
124			union {
125			struct {
126			int32_t fs_sparecon[53];
127			int32_t fs_reclaim;
128			int32_t fs_sparecon2[1];
129			int32_t fs_state;
130			uint32_t fs_qbmask[2];
131			uint32_t fs_qfmask[2];
132	niro	984	} PACKED fs_sun;
133	niro	816	struct {
134			int32_t fs_sparecon[53];
135			int32_t fs_reclaim;
136			int32_t fs_sparecon2[1];
137			uint32_t fs_npsect;
138			uint32_t fs_qbmask[2];
139			uint32_t fs_qfmask[2];
140	niro	984	} PACKED fs_sunx86;
141	niro	816	struct {
142			int32_t fs_sparecon[50];
143			int32_t fs_contigsumsize;
144			int32_t fs_maxsymlinklen;
145			int32_t fs_inodefmt;
146			uint32_t fs_maxfilesize[2];
147			uint32_t fs_qbmask[2];
148			uint32_t fs_qfmask[2];
149			int32_t fs_state;
150	niro	984	} PACKED fs_44;
151	niro	816	} fs_u2;
152			int32_t fs_postblformat;
153			int32_t fs_nrpos;
154			int32_t fs_postbloff;
155			int32_t fs_rotbloff;
156			uint32_t fs_magic;
157			uint8_t fs_space[1];
158	niro	984	} PACKED;
159	niro	816
160			#define UFS_MAGIC 0x00011954
161			#define UFS2_MAGIC 0x19540119
162			#define UFS_MAGIC_FEA 0x00195612
163			#define UFS_MAGIC_LFN 0x00095014
164
165	niro	984	int FAST_FUNC volume_id_probe_ufs(struct volume_id *id, uint64_t off)
166	niro	816	{
167			static const short offsets[] = { 0, 8, 64, 256 };
168
169			uint32_t magic;
170			unsigned i;
171			struct ufs_super_block *ufs;
172
173			dbg("probing at offset 0x%llx", (unsigned long long) off);
174
175			for (i = 0; i < ARRAY_SIZE(offsets); i++) {
176			ufs = volume_id_get_buffer(id, off + (offsets[i] * 0x400), 0x800);
177			if (ufs == NULL)
178			return -1;
179
180			dbg("offset 0x%x", offsets[i] * 0x400);
181			magic = ufs->fs_magic;
182			if ((magic == cpu_to_be32(UFS_MAGIC))
183			\|\| (magic == cpu_to_be32(UFS2_MAGIC))
184			\|\| (magic == cpu_to_be32(UFS_MAGIC_FEA))
185			\|\| (magic == cpu_to_be32(UFS_MAGIC_LFN))
186			) {
187			dbg("magic 0x%08x(be)", magic);
188			goto found;
189			}
190			if ((magic == cpu_to_le32(UFS_MAGIC))
191			\|\| (magic == cpu_to_le32(UFS2_MAGIC))
192			\|\| (magic == cpu_to_le32(UFS_MAGIC_FEA))
193			\|\| (magic == cpu_to_le32(UFS_MAGIC_LFN))
194			) {
195			dbg("magic 0x%08x(le)", magic);
196			goto found;
197			}
198			}
199			return -1;
200
201			found:
202			// volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
203			// id->type = "ufs";
204
205			return 0;
206			}