xref: /prebuilts/ndk/4/platforms/android-8/arch-arm/usr/include/linux/ashmem.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _LINUX_ASHMEM_H
#define _LINUX_ASHMEM_H

#include <linux/limits.h>
#include <linux/ioctl.h>

#define ASHMEM_NAME_LEN 256

#define ASHMEM_NAME_DEF "dev/ashmem"

#define ASHMEM_NOT_PURGED 0
#define ASHMEM_WAS_PURGED 1

#define ASHMEM_IS_UNPINNED 0
#define ASHMEM_IS_PINNED 1

struct ashmem_pin {
 __u32 offset;
 __u32 len;
};

#define __ASHMEMIOC 0x77

#define ASHMEM_SET_NAME _IOW(__ASHMEMIOC, 1, char[ASHMEM_NAME_LEN])
#define ASHMEM_GET_NAME _IOR(__ASHMEMIOC, 2, char[ASHMEM_NAME_LEN])
#define ASHMEM_SET_SIZE _IOW(__ASHMEMIOC, 3, size_t)
#define ASHMEM_GET_SIZE _IO(__ASHMEMIOC, 4)
#define ASHMEM_SET_PROT_MASK _IOW(__ASHMEMIOC, 5, unsigned long)
#define ASHMEM_GET_PROT_MASK _IO(__ASHMEMIOC, 6)
#define ASHMEM_PIN _IOW(__ASHMEMIOC, 7, struct ashmem_pin)
#define ASHMEM_UNPIN _IOW(__ASHMEMIOC, 8, struct ashmem_pin)
#define ASHMEM_GET_PIN_STATUS _IO(__ASHMEMIOC, 9)
#define ASHMEM_PURGE_ALL_CACHES _IO(__ASHMEMIOC, 10)

#endif