direct-io.hg

view linux-2.6-xen-sparse/include/xen/public/privcmd.h @ 11509:2e6c10dc7c0b

[POWERPC][XEN] make sure put_domain() is called in case of allocate_rma() failuer

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Jimi Xenidis <jimix@watson.ibm.com>
date Tue Sep 12 10:53:46 2006 -0400 (2006-09-12)
parents c191c649cdb3
children
line source
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 */
33 #ifndef __LINUX_PUBLIC_PRIVCMD_H__
34 #define __LINUX_PUBLIC_PRIVCMD_H__
36 #include <linux/types.h>
38 #ifndef __user
39 #define __user
40 #endif
42 typedef struct privcmd_hypercall
43 {
44 __u64 op;
45 __u64 arg[5];
46 } privcmd_hypercall_t;
48 typedef struct privcmd_mmap_entry {
49 __u64 va;
50 __u64 mfn;
51 __u64 npages;
52 } privcmd_mmap_entry_t;
54 typedef struct privcmd_mmap {
55 int num;
56 domid_t dom; /* target domain */
57 privcmd_mmap_entry_t __user *entry;
58 } privcmd_mmap_t;
60 typedef struct privcmd_mmapbatch {
61 int num; /* number of pages to populate */
62 domid_t dom; /* target domain */
63 __u64 addr; /* virtual address */
64 xen_pfn_t __user *arr; /* array of mfns - top nibble set on err */
65 } privcmd_mmapbatch_t;
67 /*
68 * @cmd: IOCTL_PRIVCMD_HYPERCALL
69 * @arg: &privcmd_hypercall_t
70 * Return: Value returned from execution of the specified hypercall.
71 */
72 #define IOCTL_PRIVCMD_HYPERCALL \
73 _IOC(_IOC_NONE, 'P', 0, sizeof(privcmd_hypercall_t))
74 #define IOCTL_PRIVCMD_MMAP \
75 _IOC(_IOC_NONE, 'P', 2, sizeof(privcmd_mmap_t))
76 #define IOCTL_PRIVCMD_MMAPBATCH \
77 _IOC(_IOC_NONE, 'P', 3, sizeof(privcmd_mmapbatch_t))
79 #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */