xref: /freebsd/sys/xen/privcmd.h (revision 97549c34ecaf74580941fdc9c5bd1050e4b1f6ce)
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   * $FreeBSD$
33   */
34  
35  #ifndef __XEN_PRIVCMD_H__
36  #define __XEN_PRIVCMD_H__
37  
38  struct ioctl_privcmd_hypercall
39  {
40  	unsigned long op; /* hypercall number */
41  	unsigned long arg[5]; /* arguments */
42  	long retval; /* return value */
43  };
44  
45  struct ioctl_privcmd_mmapbatch {
46  	int num;     /* number of pages to populate */
47  	domid_t dom; /* target domain */
48  	unsigned long addr;  /* virtual address */
49  	const xen_pfn_t *arr; /* array of mfns */
50  	int *err; /* array of error codes */
51  };
52  
53  #define IOCTL_PRIVCMD_HYPERCALL					\
54  	_IOWR('E', 0, struct ioctl_privcmd_hypercall)
55  #define IOCTL_PRIVCMD_MMAPBATCH					\
56  	_IOWR('E', 1, struct ioctl_privcmd_mmapbatch)
57  
58  #endif /* !__XEN_PRIVCMD_H__ */
59