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merge trunk

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This commit is contained in:
Colin Watson 2011-01-04 15:41:07 +00:00
commit 944404efb8
70 changed files with 5454 additions and 183 deletions
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9
grub-core/fs/affs.c
View file

@ -208,7 +208,7 @@ grub_affs_mount (grub_disk_t disk)
rblock = (struct grub_affs_rblock *) rootblock;
/* Read the rootblock. */
grub_disk_read (disk, (disk->total_sectors >> 1) + blocksize, 0,
grub_disk_read (disk, grub_be_to_cpu32 (data->bblock.rootblock), 0,
GRUB_DISK_SECTOR_SIZE * 16, rootblock);
if (grub_errno)
goto fail;
@ -240,7 +240,7 @@ grub_affs_mount (grub_disk_t disk)
data->disk = disk;
data->htsize = grub_be_to_cpu32 (rblock->htsize);
data->diropen.data = data;
data->diropen.block = (disk->total_sectors >> 1);
data->diropen.block = grub_be_to_cpu32 (data->bblock.rootblock);
grub_free (rootblock);
@ -507,7 +507,7 @@ grub_affs_label (grub_device_t device, char **label)
{
/* The rootblock maps quite well on a file header block, it's
something we can use here. */
grub_disk_read (data->disk, disk->total_sectors >> 1,
grub_disk_read (data->disk, grub_be_to_cpu32 (data->bblock.rootblock),
data->blocksize * (GRUB_DISK_SECTOR_SIZE
- GRUB_AFFS_FILE_LOCATION),
sizeof (file), &file);
@ -535,6 +535,9 @@ static struct grub_fs grub_affs_fs =
.read = grub_affs_read,
.close = grub_affs_close,
.label = grub_affs_label,
#ifdef GRUB_UTIL
.reserved_first_sector = 0,
#endif
.next = 0
};

3
grub-core/fs/cpio.c
View file

@ -354,6 +354,9 @@ static struct grub_fs grub_cpio_fs = {
.open = grub_cpio_open,
.read = grub_cpio_read,
.close = grub_cpio_close,
#ifdef GRUB_UTIL
.reserved_first_sector = 0,
#endif
};
#ifdef MODE_USTAR

33
grub-core/fs/hfsplus.c
View file

@ -178,7 +178,7 @@ enum grub_hfsplus_filetype
/* Internal representation of a catalog key. */
struct grub_hfsplus_catkey_internal
{
int parent;
grub_uint32_t parent;
char *name;
};
@ -520,9 +520,12 @@ grub_hfsplus_cmp_catkey (struct grub_hfsplus_key *keya,
int i;
int diff;
diff = grub_be_to_cpu32 (catkey_a->parent) - catkey_b->parent;
if (diff)
return diff;
/* Safe unsigned comparison */
grub_uint32_t aparent = grub_be_to_cpu32 (catkey_a->parent);
if (aparent > catkey_b->parent)
return 1;
if (aparent < catkey_b->parent)
return -1;
/* Change the filename in keya so the endianness is correct. */
for (i = 0; i < grub_be_to_cpu16 (catkey_a->namelen); i++)
@ -555,15 +558,21 @@ grub_hfsplus_cmp_extkey (struct grub_hfsplus_key *keya,
{
struct grub_hfsplus_extkey *extkey_a = &keya->extkey;
struct grub_hfsplus_extkey_internal *extkey_b = &keyb->extkey;
int diff;
grub_uint32_t akey;
diff = grub_be_to_cpu32 (extkey_a->fileid) - extkey_b->fileid;
if (diff)
return diff;
diff = grub_be_to_cpu32 (extkey_a->start) - extkey_b->start;
return diff;
/* Safe unsigned comparison */
akey = grub_be_to_cpu32 (extkey_a->fileid);
if (akey > extkey_b->fileid)
return 1;
if (akey < extkey_b->fileid)
return -1;
akey = grub_be_to_cpu32 (extkey_a->start);
if (akey > extkey_b->start)
return 1;
if (akey < extkey_b->start)
return -1;
return 0;
}
static char *

3
grub-core/fs/sfs.c
View file

@ -579,6 +579,9 @@ static struct grub_fs grub_sfs_fs =
.read = grub_sfs_read,
.close = grub_sfs_close,
.label = grub_sfs_label,
#ifdef GRUB_UTIL
.reserved_first_sector = 0,
#endif
.next = 0
};

70
grub-core/fs/udf.c
View file

@ -788,6 +788,43 @@ fail:
return 0;
}
static char *
read_string (grub_uint8_t *raw, grub_size_t sz)
{
grub_uint16_t *utf16 = NULL;
char *ret;
grub_size_t utf16len = 0;
if (raw[0] != 8 && raw[0] != 16)
return NULL;
if (raw[0] == 8)
{
unsigned i;
utf16len = sz - 1;
utf16 = grub_malloc (utf16len * sizeof (utf16[0]));
if (!utf16)
return NULL;
for (i = 0; i < utf16len; i++)
utf16[i] = raw[i + 1];
}
if (raw[0] == 16)
{
unsigned i;
utf16len = (sz - 1) / 2;
utf16 = grub_malloc (utf16len * sizeof (utf16[0]));
if (!utf16)
return NULL;
for (i = 0; i < utf16len; i++)
utf16[i] = (raw[2 * i + 1] << 8) | raw[2*i + 2];
}
ret = grub_malloc (utf16len * 3 + 1);
if (ret)
*grub_utf16_to_utf8 ((grub_uint8_t *) ret, utf16, utf16len) = '\0';
grub_free (utf16);
return ret;
}
static int
grub_udf_iterate_dir (grub_fshelp_node_t dir,
int NESTED_FUNC_ATTR
@ -841,10 +878,8 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
else
{
enum grub_fshelp_filetype type;
char *filename;
grub_uint8_t raw[dirent.file_ident_length];
grub_uint16_t utf16[dirent.file_ident_length - 1];
grub_uint8_t filename[dirent.file_ident_length * 2];
grub_size_t utf16len = 0;
type = ((dirent.characteristics & GRUB_UDF_FID_CHAR_DIRECTORY) ?
(GRUB_FSHELP_DIR) : (GRUB_FSHELP_REG));
@ -855,27 +890,16 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
!= dirent.file_ident_length)
return 0;
if (raw[0] == 8)
{
unsigned i;
utf16len = dirent.file_ident_length - 1;
for (i = 0; i < utf16len; i++)
utf16[i] = raw[i + 1];
}
if (raw[0] == 16)
{
unsigned i;
utf16len = (dirent.file_ident_length - 1) / 2;
for (i = 0; i < utf16len; i++)
utf16[i] = (raw[2 * i + 1] << 8) | raw[2*i + 2];
}
if (raw[0] == 8 || raw[0] == 16)
{
*grub_utf16_to_utf8 (filename, utf16, utf16len) = '\0';
filename = read_string (raw, dirent.file_ident_length);
if (!filename)
grub_print_error ();
if (hook ((char *) filename, type, child))
return 1;
if (filename && hook (filename, type, child))
{
grub_free (filename);
return 1;
}
grub_free (filename);
}
}
@ -1004,7 +1028,7 @@ grub_udf_label (grub_device_t device, char **label)
if (data)
{
*label = grub_strdup ((char *) &data->lvd.ident[1]);
*label = read_string (data->lvd.ident, sizeof (data->lvd.ident));
grub_free (data);
}
else

3
grub-core/fs/xfs.c
View file

@ -808,6 +808,9 @@ static struct grub_fs grub_xfs_fs =
.close = grub_xfs_close,
.label = grub_xfs_label,
.uuid = grub_xfs_uuid,
#ifdef GRUB_UTIL
.reserved_first_sector = 0,
#endif
.next = 0
};

2543
grub-core/fs/zfs/zfs.c Normal file
View file

File diff suppressed because it is too large Load diff

84
grub-core/fs/zfs/zfs_fletcher.c Normal file
View file

@ -0,0 +1,84 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2009 Free Software Foundation, Inc.
* Copyright 2007 Sun Microsystems, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/err.h>
#include <grub/file.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/disk.h>
#include <grub/dl.h>
#include <grub/types.h>
#include <grub/zfs/zfs.h>
#include <grub/zfs/zio.h>
#include <grub/zfs/dnode.h>
#include <grub/zfs/uberblock_impl.h>
#include <grub/zfs/vdev_impl.h>
#include <grub/zfs/zio_checksum.h>
#include <grub/zfs/zap_impl.h>
#include <grub/zfs/zap_leaf.h>
#include <grub/zfs/zfs_znode.h>
#include <grub/zfs/dmu.h>
#include <grub/zfs/dmu_objset.h>
#include <grub/zfs/dsl_dir.h>
#include <grub/zfs/dsl_dataset.h>
void
fletcher_2(const void *buf, grub_uint64_t size, grub_zfs_endian_t endian,
zio_cksum_t *zcp)
{
const grub_uint64_t *ip = buf;
const grub_uint64_t *ipend = ip + (size / sizeof (grub_uint64_t));
grub_uint64_t a0, b0, a1, b1;
for (a0 = b0 = a1 = b1 = 0; ip < ipend; ip += 2)
{
a0 += grub_zfs_to_cpu64 (ip[0], endian);
a1 += grub_zfs_to_cpu64 (ip[1], endian);
b0 += a0;
b1 += a1;
}
zcp->zc_word[0] = grub_cpu_to_zfs64 (a0, endian);
zcp->zc_word[1] = grub_cpu_to_zfs64 (a1, endian);
zcp->zc_word[2] = grub_cpu_to_zfs64 (b0, endian);
zcp->zc_word[3] = grub_cpu_to_zfs64 (b1, endian);
}
void
fletcher_4 (const void *buf, grub_uint64_t size, grub_zfs_endian_t endian,
zio_cksum_t *zcp)
{
const grub_uint32_t *ip = buf;
const grub_uint32_t *ipend = ip + (size / sizeof (grub_uint32_t));
grub_uint64_t a, b, c, d;
for (a = b = c = d = 0; ip < ipend; ip++)
{
a += grub_zfs_to_cpu32 (ip[0], endian);;
b += a;
c += b;
d += c;
}
zcp->zc_word[0] = grub_cpu_to_zfs64 (a, endian);
zcp->zc_word[1] = grub_cpu_to_zfs64 (b, endian);
zcp->zc_word[2] = grub_cpu_to_zfs64 (c, endian);
zcp->zc_word[3] = grub_cpu_to_zfs64 (d, endian);
}

93
grub-core/fs/zfs/zfs_lzjb.c Normal file
View file

@ -0,0 +1,93 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2009 Free Software Foundation, Inc.
* Copyright 2007 Sun Microsystems, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/err.h>
#include <grub/file.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/disk.h>
#include <grub/dl.h>
#include <grub/types.h>
#include <grub/zfs/zfs.h>
#include <grub/zfs/zio.h>
#include <grub/zfs/dnode.h>
#include <grub/zfs/uberblock_impl.h>
#include <grub/zfs/vdev_impl.h>
#include <grub/zfs/zio_checksum.h>
#include <grub/zfs/zap_impl.h>
#include <grub/zfs/zap_leaf.h>
#include <grub/zfs/zfs_znode.h>
#include <grub/zfs/dmu.h>
#include <grub/zfs/dmu_objset.h>
#include <grub/zfs/dsl_dir.h>
#include <grub/zfs/dsl_dataset.h>
#define MATCH_BITS 6
#define MATCH_MIN 3
#define OFFSET_MASK ((1 << (16 - MATCH_BITS)) - 1)
/*
* Decompression Entry - lzjb
*/
#ifndef NBBY
#define NBBY 8
#endif
grub_err_t
lzjb_decompress (void *s_start, void *d_start, grub_size_t s_len,
grub_size_t d_len);
grub_err_t
lzjb_decompress (void *s_start, void *d_start, grub_size_t s_len,
grub_size_t d_len)
{
grub_uint8_t *src = s_start;
grub_uint8_t *dst = d_start;
grub_uint8_t *d_end = (grub_uint8_t *) d_start + d_len;
grub_uint8_t *s_end = (grub_uint8_t *) s_start + s_len;
grub_uint8_t *cpy, copymap = 0;
int copymask = 1 << (NBBY - 1);
while (dst < d_end && src < s_end)
{
if ((copymask <<= 1) == (1 << NBBY))
{
copymask = 1;
copymap = *src++;
}
if (src >= s_end)
return grub_error (GRUB_ERR_BAD_FS, "lzjb decompression failed");
if (copymap & copymask)
{
int mlen = (src[0] >> (NBBY - MATCH_BITS)) + MATCH_MIN;
int offset = ((src[0] << NBBY) | src[1]) & OFFSET_MASK;
src += 2;
cpy = dst - offset;
if (src > s_end || cpy < (grub_uint8_t *) d_start)
return grub_error (GRUB_ERR_BAD_FS, "lzjb decompression failed");
while (--mlen >= 0 && dst < d_end)
*dst++ = *cpy++;
}
else
*dst++ = *src++;
}
if (dst < d_end)
return grub_error (GRUB_ERR_BAD_FS, "lzjb decompression failed");
return GRUB_ERR_NONE;
}

143
grub-core/fs/zfs/zfs_sha256.c Normal file
View file

@ -0,0 +1,143 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2009 Free Software Foundation, Inc.
* Copyright 2007 Sun Microsystems, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/err.h>
#include <grub/file.h>
#include <grub/mm.h>
#include <grub/misc.h>
#include <grub/disk.h>
#include <grub/dl.h>
#include <grub/types.h>
#include <grub/zfs/zfs.h>
#include <grub/zfs/zio.h>
#include <grub/zfs/dnode.h>
#include <grub/zfs/uberblock_impl.h>
#include <grub/zfs/vdev_impl.h>
#include <grub/zfs/zio_checksum.h>
#include <grub/zfs/zap_impl.h>
#include <grub/zfs/zap_leaf.h>
#include <grub/zfs/zfs_znode.h>
#include <grub/zfs/dmu.h>
#include <grub/zfs/dmu_objset.h>
#include <grub/zfs/dsl_dir.h>
#include <grub/zfs/dsl_dataset.h>
/*
* SHA-256 checksum, as specified in FIPS 180-2, available at:
* http://csrc.nist.gov/cryptval
*
* This is a very compact implementation of SHA-256.
* It is designed to be simple and portable, not to be fast.
*/
/*
* The literal definitions according to FIPS180-2 would be:
*
* Ch(x, y, z) (((x) & (y)) ^ ((~(x)) & (z)))
* Maj(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
*
* We use logical equivalents which require one less op.
*/
#define Ch(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
#define Maj(x, y, z) (((x) & (y)) ^ ((z) & ((x) ^ (y))))
#define Rot32(x, s) (((x) >> s) | ((x) << (32 - s)))
#define SIGMA0(x) (Rot32(x, 2) ^ Rot32(x, 13) ^ Rot32(x, 22))
#define SIGMA1(x) (Rot32(x, 6) ^ Rot32(x, 11) ^ Rot32(x, 25))
#define sigma0(x) (Rot32(x, 7) ^ Rot32(x, 18) ^ ((x) >> 3))
#define sigma1(x) (Rot32(x, 17) ^ Rot32(x, 19) ^ ((x) >> 10))
static const grub_uint32_t SHA256_K[64] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
};
static void
SHA256Transform(grub_uint32_t *H, const grub_uint8_t *cp)
{
grub_uint32_t a, b, c, d, e, f, g, h, t, T1, T2, W[64];
for (t = 0; t < 16; t++, cp += 4)
W[t] = (cp[0] << 24) | (cp[1] << 16) | (cp[2] << 8) | cp[3];
for (t = 16; t < 64; t++)
W[t] = sigma1(W[t - 2]) + W[t - 7] +
sigma0(W[t - 15]) + W[t - 16];
a = H[0]; b = H[1]; c = H[2]; d = H[3];
e = H[4]; f = H[5]; g = H[6]; h = H[7];
for (t = 0; t < 64; t++) {
T1 = h + SIGMA1(e) + Ch(e, f, g) + SHA256_K[t] + W[t];
T2 = SIGMA0(a) + Maj(a, b, c);
h = g; g = f; f = e; e = d + T1;
d = c; c = b; b = a; a = T1 + T2;
}
H[0] += a; H[1] += b; H[2] += c; H[3] += d;
H[4] += e; H[5] += f; H[6] += g; H[7] += h;
}
void
zio_checksum_SHA256(const void *buf, grub_uint64_t size,
grub_zfs_endian_t endian, zio_cksum_t *zcp)
{
grub_uint32_t H[8] = { 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 };
grub_uint8_t pad[128];
unsigned padsize = size & 63;
unsigned i;
for (i = 0; i < size - padsize; i += 64)
SHA256Transform(H, (grub_uint8_t *)buf + i);
for (i = 0; i < padsize; i++)
pad[i] = ((grub_uint8_t *)buf)[i];
for (pad[padsize++] = 0x80; (padsize & 63) != 56; padsize++)
pad[padsize] = 0;
for (i = 0; i < 8; i++)
pad[padsize++] = (size << 3) >> (56 - 8 * i);
for (i = 0; i < padsize; i += 64)
SHA256Transform(H, pad + i);
zcp->zc_word[0] = grub_cpu_to_zfs64 ((grub_uint64_t)H[0] << 32 | H[1],
endian);
zcp->zc_word[1] = grub_cpu_to_zfs64 ((grub_uint64_t)H[2] << 32 | H[3],
endian);
zcp->zc_word[2] = grub_cpu_to_zfs64 ((grub_uint64_t)H[4] << 32 | H[5],
endian);
zcp->zc_word[3] = grub_cpu_to_zfs64 ((grub_uint64_t)H[6] << 32 | H[7],
endian);
}

412
grub-core/fs/zfs/zfsinfo.c Normal file
View file

@ -0,0 +1,412 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2009 Free Software Foundation, Inc.
* Copyright 2008 Sun Microsystems, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/zfs/zfs.h>
#include <grub/device.h>
#include <grub/file.h>
#include <grub/command.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/dl.h>
#include <grub/env.h>
static inline void
print_tabs (int n)
{
int i;
for (i = 0; i < n; i++)
grub_printf (" ");
}
static grub_err_t
print_state (char *nvlist, int tab)
{
grub_uint64_t ival;
int isok = 1;
print_tabs (tab);
grub_printf ("State: ");
if (grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_REMOVED, &ival))
{
grub_printf ("removed ");
isok = 0;
}
if (grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_FAULTED, &ival))
{
grub_printf ("faulted ");
isok = 0;
}
if (grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_OFFLINE, &ival))
{
grub_printf ("offline ");
isok = 0;
}
if (grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_FAULTED, &ival))
grub_printf ("degraded ");
if (isok)
grub_printf ("online");
grub_printf ("\n");
return GRUB_ERR_NONE;
}
static grub_err_t
print_vdev_info (char *nvlist, int tab)
{
char *type = 0;
type = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_TYPE);
if (!type)
{
print_tabs (tab);
grub_printf ("Incorrect VDEV: no type available\n");
return grub_errno;
}
if (grub_strcmp (type, VDEV_TYPE_DISK) == 0)
{
char *bootpath = 0;
char *path = 0;
char *devid = 0;
print_tabs (tab);
grub_printf ("Leaf VDEV\n");
print_state (nvlist, tab);
bootpath =
grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_PHYS_PATH);
print_tabs (tab);
if (!bootpath)
grub_printf ("Bootpath: unavailable\n");
else
grub_printf ("Bootpath: %s\n", bootpath);
path = grub_zfs_nvlist_lookup_string (nvlist, "path");
print_tabs (tab);
if (!path)
grub_printf ("Path: unavailable\n");
else
grub_printf ("Path: %s\n", path);
devid = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_DEVID);
print_tabs (tab);
if (!devid)
grub_printf ("Devid: unavailable\n");
else
grub_printf ("Devid: %s\n", devid);
grub_free (bootpath);
grub_free (devid);
grub_free (path);
return GRUB_ERR_NONE;
}
if (grub_strcmp (type, VDEV_TYPE_MIRROR) == 0)
{
int nelm, i;
nelm = grub_zfs_nvlist_lookup_nvlist_array_get_nelm
(nvlist, ZPOOL_CONFIG_CHILDREN);
print_tabs (tab);
if (nelm <= 0)
{
grub_printf ("Incorrect mirror VDEV\n");
return GRUB_ERR_NONE;
}
grub_printf ("Mirror VDEV with %d children\n", nelm);
print_state (nvlist, tab);
for (i = 0; i < nelm; i++)
{
char *child;
child = grub_zfs_nvlist_lookup_nvlist_array
(nvlist, ZPOOL_CONFIG_CHILDREN, i);
print_tabs (tab);
if (!child)
{
grub_printf ("Mirror VDEV element %d isn't correct\n", i);
continue;
}
grub_printf ("Mirror VDEV element %d:\n", i);
print_vdev_info (child, tab + 1);
grub_free (child);
}
}
print_tabs (tab);
grub_printf ("Unknown VDEV type: %s\n", type);
return GRUB_ERR_NONE;
}
static grub_err_t
get_bootpath (char *nvlist, char **bootpath, char **devid)
{
char *type = 0;
type = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_TYPE);
if (!type)
return grub_errno;
if (grub_strcmp (type, VDEV_TYPE_DISK) == 0)
{
*bootpath = grub_zfs_nvlist_lookup_string (nvlist,
ZPOOL_CONFIG_PHYS_PATH);
*devid = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_DEVID);
if (!*bootpath || !*devid)
{
grub_free (*bootpath);
grub_free (*devid);
*bootpath = 0;
*devid = 0;
}
return GRUB_ERR_NONE;
}
if (grub_strcmp (type, VDEV_TYPE_MIRROR) == 0)
{
int nelm, i;
nelm = grub_zfs_nvlist_lookup_nvlist_array_get_nelm
(nvlist, ZPOOL_CONFIG_CHILDREN);
for (i = 0; i < nelm; i++)
{
char *child;
child = grub_zfs_nvlist_lookup_nvlist_array (nvlist,
ZPOOL_CONFIG_CHILDREN,
i);
get_bootpath (child, bootpath, devid);
grub_free (child);
if (*bootpath && *devid)
return GRUB_ERR_NONE;
}
}
return GRUB_ERR_NONE;
}
static char *poolstates[] = {
[POOL_STATE_ACTIVE] = "active",
[POOL_STATE_EXPORTED] = "exported",
[POOL_STATE_DESTROYED] = "destroyed",
[POOL_STATE_SPARE] = "reserved for hot spare",
[POOL_STATE_L2CACHE] = "level 2 ARC device",
[POOL_STATE_UNINITIALIZED] = "uninitialized",
[POOL_STATE_UNAVAIL] = "unavailable",
[POOL_STATE_POTENTIALLY_ACTIVE] = "potentially active"
};
static grub_err_t
grub_cmd_zfsinfo (grub_command_t cmd __attribute__ ((unused)), int argc,
char **args)
{
grub_device_t dev;
char *devname;
grub_err_t err;
char *nvlist = 0;
char *nv = 0;
char *poolname;
grub_uint64_t guid;
grub_uint64_t pool_state;
int found;
if (argc < 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "device name required");
if (args[0][0] == '(' && args[0][grub_strlen (args[0]) - 1] == ')')
{
devname = grub_strdup (args[0] + 1);
if (devname)
devname[grub_strlen (devname) - 1] = 0;
}
else
devname = grub_strdup (args[0]);
if (!devname)
return grub_errno;
dev = grub_device_open (devname);
grub_free (devname);
if (!dev)
return grub_errno;
err = grub_zfs_fetch_nvlist (dev, &nvlist);
grub_device_close (dev);
if (err)
return err;
poolname = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_POOL_NAME);
if (!poolname)
grub_printf ("Pool name: unavailable\n");
else
grub_printf ("Pool name: %s\n", poolname);
found =
grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_POOL_GUID, &guid);
if (!found)
grub_printf ("Pool GUID: unavailable\n");
else
grub_printf ("Pool GUID: %016llx\n", (long long unsigned) guid);
found = grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_POOL_STATE,
&pool_state);
if (!found)
grub_printf ("Unable to retrieve pool state\n");
else if (pool_state >= ARRAY_SIZE (poolstates))
grub_printf ("Unrecognized pool state\n");
else
grub_printf ("Pool state: %s\n", poolstates[pool_state]);
nv = grub_zfs_nvlist_lookup_nvlist (nvlist, ZPOOL_CONFIG_VDEV_TREE);
if (!nv)
grub_printf ("No vdev tree available\n");
else
print_vdev_info (nv, 1);
grub_free (nv);
grub_free (nvlist);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_cmd_zfs_bootfs (grub_command_t cmd __attribute__ ((unused)), int argc,
char **args)
{
grub_device_t dev;
char *devname;
grub_err_t err;
char *nvlist = 0;
char *nv = 0;
char *bootpath = 0, *devid = 0;
char *fsname;
char *bootfs;
char *poolname;
grub_uint64_t mdnobj;
if (argc < 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "filesystem name required");
devname = grub_file_get_device_name (args[0]);
if (grub_errno)
return grub_errno;
dev = grub_device_open (devname);
grub_free (devname);
if (!dev)
return grub_errno;
err = grub_zfs_fetch_nvlist (dev, &nvlist);
fsname = grub_strchr (args[0], ')');
if (fsname)
fsname++;
else
fsname = args[0];
if (!err)
err = grub_zfs_getmdnobj (dev, fsname, &mdnobj);
grub_device_close (dev);
if (err)
return err;
poolname = grub_zfs_nvlist_lookup_string (nvlist, ZPOOL_CONFIG_POOL_NAME);
if (!poolname)
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_FS, "No poolname found");
return grub_errno;
}
nv = grub_zfs_nvlist_lookup_nvlist (nvlist, ZPOOL_CONFIG_VDEV_TREE);
if (nv)
get_bootpath (nv, &bootpath, &devid);
grub_free (nv);
grub_free (nvlist);
if (bootpath && devid)
{
bootfs = grub_xasprintf ("zfs-bootfs=%s/%llu bootpath=%s diskdevid=%s",
poolname, (unsigned long long) mdnobj,
bootpath, devid);
if (!bootfs)
return grub_errno;
}
else
{
bootfs = grub_xasprintf ("zfs-bootfs=%s/%llu",
poolname, (unsigned long long) mdnobj);
if (!bootfs)
return grub_errno;
}
if (argc >= 2)
grub_env_set (args[1], bootfs);
else
grub_printf ("%s\n", bootfs);
grub_free (bootfs);
grub_free (poolname);
grub_free (bootpath);
grub_free (devid);
return GRUB_ERR_NONE;
}
static grub_command_t cmd_info, cmd_bootfs;
GRUB_MOD_INIT (zfsinfo)
{
cmd_info = grub_register_command ("zfsinfo", grub_cmd_zfsinfo,
"zfsinfo DEVICE",
"Print ZFS info about DEVICE.");
cmd_bootfs = grub_register_command ("zfs-bootfs", grub_cmd_zfs_bootfs,
"zfs-bootfs FILESYSTEM [VARIABLE]",
"Print ZFS-BOOTFSOBJ or set it to VARIABLE");
}
GRUB_MOD_FINI (zfsinfo)
{
grub_unregister_command (cmd_info);
grub_unregister_command (cmd_bootfs);
}