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Linux kernel mirror (for testing)
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1/******************************************************************************
2 * privcmd.h
3 *
4 * Interface to /proc/xen/privcmd.
5 *
6 * Copyright (c) 2003-2005, K A Fraser
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation; or, when distributed
11 * separately from the Linux kernel or incorporated into other
12 * software packages, subject to the following license:
13 *
14 * Permission is hereby granted, free of charge, to any person obtaining a copy
15 * of this source file (the "Software"), to deal in the Software without
16 * restriction, including without limitation the rights to use, copy, modify,
17 * merge, publish, distribute, sublicense, and/or sell copies of the Software,
18 * and to permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 * IN THE SOFTWARE.
31 */
32
33#ifndef __LINUX_PUBLIC_PRIVCMD_H__
34#define __LINUX_PUBLIC_PRIVCMD_H__
35
36#include <linux/types.h>
37
38typedef unsigned long xen_pfn_t;
39
40#ifndef __user
41#define __user
42#endif
43
44struct privcmd_hypercall {
45 __u64 op;
46 __u64 arg[5];
47};
48
49struct privcmd_mmap_entry {
50 __u64 va;
51 __u64 mfn;
52 __u64 npages;
53};
54
55struct privcmd_mmap {
56 int num;
57 domid_t dom; /* target domain */
58 struct privcmd_mmap_entry __user *entry;
59};
60
61struct privcmd_mmapbatch {
62 int num; /* number of pages to populate */
63 domid_t dom; /* target domain */
64 __u64 addr; /* virtual address */
65 xen_pfn_t __user *arr; /* array of mfns - top nibble set on err */
66};
67
68/*
69 * @cmd: IOCTL_PRIVCMD_HYPERCALL
70 * @arg: &privcmd_hypercall_t
71 * Return: Value returned from execution of the specified hypercall.
72 */
73#define IOCTL_PRIVCMD_HYPERCALL \
74 _IOC(_IOC_NONE, 'P', 0, sizeof(struct privcmd_hypercall))
75#define IOCTL_PRIVCMD_MMAP \
76 _IOC(_IOC_NONE, 'P', 2, sizeof(struct privcmd_mmap))
77#define IOCTL_PRIVCMD_MMAPBATCH \
78 _IOC(_IOC_NONE, 'P', 3, sizeof(struct privcmd_mmapbatch))
79
80#endif /* __LINUX_PUBLIC_PRIVCMD_H__ */