Merge ZFS.
This commit is contained in:
Robert Millan
commit
15abb5547f
25 changed files with 4791 additions and 0 deletions
|
|
@ -1007,6 +1007,19 @@ module = {
|
|||
common = fs/xfs.c;
|
||||
};
|
||||
|
||||
module = {
|
||||
name = zfs;
|
||||
common = fs/zfs/zfs.c;
|
||||
common = fs/zfs/zfs_lzjb.c;
|
||||
common = fs/zfs/zfs_sha256.c;
|
||||
common = fs/zfs/zfs_fletcher.c;
|
||||
};
|
||||
|
||||
module = {
|
||||
name = zfsinfo;
|
||||
common = fs/zfs/zfsinfo.c;
|
||||
};
|
||||
|
||||
module = {
|
||||
name = pxe;
|
||||
i386_pc = fs/i386/pc/pxe.c;
|
||||
|
|
|
|||
2543
grub-core/fs/zfs/zfs.c
Normal file
2543
grub-core/fs/zfs/zfs.c
Normal file
File diff suppressed because it is too large
Load diff
84
grub-core/fs/zfs/zfs_fletcher.c
Normal file
84
grub-core/fs/zfs/zfs_fletcher.c
Normal 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
93
grub-core/fs/zfs/zfs_lzjb.c
Normal 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
143
grub-core/fs/zfs/zfs_sha256.c
Normal 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
412
grub-core/fs/zfs/zfsinfo.c
Normal 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);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue