1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright (C) 2000-2007 SWsoft. All rights reserved.
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _DEV_H_
#define _DEV_H_
#include <sys/types.h>
#include "list.h"
#define DEV_MODE_READ 1
#define DEV_MODE_WRITE 2
/** Data structure for devices.
*/
typedef struct {
list_elem_t list; /**< prev/next elements. */
char name[32]; /**< device name. */
dev_t dev; /**< device number. */
unsigned int type; /**< S_IFBLK | S_IFCHR. */
unsigned int mask; /**< access mode. */
int use_major; /**< VE_USE_MAJOR | VE_USE_MINOR. */
} dev_res;
/** Devices list.
*/
typedef struct {
list_head_t dev;
} dev_param;
/** Allow/disallow access to devices on host system from VE.
*
* @param h VE handler.
* @param veid VE id.
* @param root VE root.
* @param dev devices list.
* @return 0 on success.
*/
int vps_set_devperm(vps_handler *h, envid_t veid, char *root, dev_param *dev);
int set_devperm(vps_handler *h, envid_t veid, dev_res *dev);
int add_dev_param(dev_param *dev, dev_res *res);
void free_dev_param(dev_param *dev);
#endif
|
