1/****************************************************************************
2 ****************************************************************************
3 ***
4 ***   This header was automatically generated from a Linux kernel header
5 ***   of the same name, to make information necessary for userspace to
6 ***   call into the kernel available to libc.  It contains only constants,
7 ***   structures, and macros generated from the original header, and thus,
8 ***   contains no copyrightable information.
9 ***
10 ****************************************************************************
11 ****************************************************************************/
12#ifndef _LINUX_ASHMEM_H
13#define _LINUX_ASHMEM_H
14
15#include <linux/limits.h>
16#include <linux/ioctl.h>
17
18#define ASHMEM_NAME_LEN 256
19
20#define ASHMEM_NAME_DEF "dev/ashmem"
21
22#define ASHMEM_NOT_PURGED 0
23#define ASHMEM_WAS_PURGED 1
24
25#define ASHMEM_IS_UNPINNED 0
26#define ASHMEM_IS_PINNED 1
27
28struct ashmem_pin {
29 __u32 offset;
30 __u32 len;
31};
32
33#define __ASHMEMIOC 0x77
34
35#define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN])
36#define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN])
37#define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t)
38#define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4)
39#define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long)
40#define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6)
41#define ASHMEM_PIN _IOW(__ASHMEMIOC, 7, struct ashmem_pin)
42#define ASHMEM_UNPIN _IOW(__ASHMEMIOC, 8, struct ashmem_pin)
43#define ASHMEM_GET_PIN_STATUS _IO(__ASHMEMIOC, 9)
44#define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10)
45
46#endif
47