b3ff6ff056
separator and pass bootpath/devid even if only one of them is available. Reported by: Seth Goldberg.
405 lines
9.2 KiB
C
405 lines
9.2 KiB
C
/*
|
|
* 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);
|
|
|
|
bootfs = grub_xasprintf ("zfs-bootfs=%s/%llu%s%s%s%s",
|
|
poolname, (unsigned long long) mdnobj,
|
|
bootpath ? ",bootpath=" : "",
|
|
bootpath ? : "",
|
|
devid ? ",diskdevid=" : "",
|
|
devid ? : "");
|
|
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);
|
|
}
|