1
/* device.c - device manager */
3
* GRUB -- GRand Unified Bootloader
4
* Copyright (C) 2002,2005,2007,2008,2009 Free Software Foundation, Inc.
6
* GRUB is free software: you can redistribute it and/or modify
7
* it under the terms of the GNU General Public License as published by
8
* the Free Software Foundation, either version 3 of the License, or
9
* (at your option) any later version.
11
* GRUB 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
14
* GNU General Public License for more details.
16
* You should have received a copy of the GNU General Public License
17
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
20
#include <grub/device.h>
21
#include <grub/disk.h>
25
#include <grub/misc.h>
27
#include <grub/partition.h>
30
grub_device_open (const char *name)
33
grub_device_t dev = 0;
37
name = grub_env_get ("root");
40
grub_error (GRUB_ERR_BAD_DEVICE, "no device is set");
45
dev = grub_malloc (sizeof (*dev));
49
/* Try to open a disk. */
50
disk = grub_disk_open (name);
55
dev->net = 0; /* FIXME */
61
grub_disk_close (disk);
69
grub_device_close (grub_device_t device)
72
grub_disk_close (device->disk);
80
grub_device_iterate (int (*hook) (const char *name))
82
auto int iterate_disk (const char *disk_name);
83
auto int iterate_partition (grub_disk_t disk,
84
const grub_partition_t partition);
88
struct part_ent *next;
92
int iterate_disk (const char *disk_name)
99
dev = grub_device_open (disk_name);
102
grub_errno = GRUB_ERR_NONE;
112
(void) grub_partition_iterate (dev->disk, iterate_partition);
113
grub_device_close (dev);
115
grub_errno = GRUB_ERR_NONE;
120
struct part_ent *next = p->next;
123
ret = hook (p->name);
132
grub_device_close (dev);
136
int iterate_partition (grub_disk_t disk, const grub_partition_t partition)
141
p = grub_malloc (sizeof (*p));
147
part_name = grub_partition_get_name (partition);
153
p->name = grub_xasprintf ("%s,%s", disk->name, part_name);
154
grub_free (part_name);
167
/* Only disk devices are supported at the moment. */
168
return grub_disk_dev_iterate (iterate_disk);