1 /******************************************************************************
4 * Interface to /proc/xen/privcmd.
6 * Copyright (c) 2003-2005, K A Fraser
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:
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:
21 * The above copyright notice and this permission notice shall be included in
22 * all copies or substantial portions of the Software.
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
33 #ifndef __XEN_PRIVCMD_H__
34 #define __XEN_PRIVCMD_H__
36 struct ioctl_privcmd_hypercall
38 unsigned long op; /* hypercall number */
39 unsigned long arg[5]; /* arguments */
40 long retval; /* return value */
43 struct ioctl_privcmd_mmapbatch {
44 int num; /* number of pages to populate */
45 domid_t dom; /* target domain */
46 unsigned long addr; /* virtual address */
47 const xen_pfn_t *arr; /* array of mfns */
48 int *err; /* array of error codes */
51 struct ioctl_privcmd_mmapresource {
52 domid_t dom; /* target domain */
53 unsigned int type; /* type of resource to map */
54 unsigned int id; /* type-specific resource identifier */
55 unsigned int idx; /* the index of the initial frame to be mapped */
56 unsigned long num; /* number of frames of the resource to be mapped */
57 unsigned long addr; /* physical address to map into */
59 * Note: issuing an ioctl with num = addr = 0 will return the size of
64 struct privcmd_dmop_buf {
65 void *uptr; /* pointer to memory (in calling process) */
66 size_t size; /* size of the buffer */
69 struct ioctl_privcmd_dmop {
70 domid_t dom; /* target domain */
71 unsigned int num; /* num of buffers */
72 const struct privcmd_dmop_buf *ubufs; /* array of buffers */
75 #define IOCTL_PRIVCMD_HYPERCALL \
76 _IOWR('E', 0, struct ioctl_privcmd_hypercall)
77 #define IOCTL_PRIVCMD_MMAPBATCH \
78 _IOWR('E', 1, struct ioctl_privcmd_mmapbatch)
79 #define IOCTL_PRIVCMD_MMAP_RESOURCE \
80 _IOWR('E', 2, struct ioctl_privcmd_mmapresource)
81 #define IOCTL_PRIVCMD_DM_OP \
82 _IOW('E', 3, struct ioctl_privcmd_dmop)
83 #define IOCTL_PRIVCMD_RESTRICT \
86 #endif /* !__XEN_PRIVCMD_H__ */