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staging: android: Split uapi out of ashmem.h
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Move the userspace interface of ashmem.h to
drivers/staging/android/uapi/ashmem.h

Cc: Greg KH <[email protected]>
Cc: Colin Cross <[email protected]>
Cc: Android Kernel Team <[email protected]>
Signed-off-by: Colin Cross <[email protected]>
[jstultz: Minor commit message tweak]
Signed-off-by: John Stultz <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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colincross authored and gregkh committed Feb 18, 2014
1 parent a6b0961 commit fe8a78e
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Showing 2 changed files with 48 additions and 29 deletions.
30 changes: 1 addition & 29 deletions drivers/staging/android/ashmem.h
Original file line number Diff line number Diff line change
Expand Up @@ -16,35 +16,7 @@
#include <linux/ioctl.h>
#include <linux/compat.h>

#define ASHMEM_NAME_LEN 256

#define ASHMEM_NAME_DEF "dev/ashmem"

/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */
#define ASHMEM_NOT_PURGED 0
#define ASHMEM_WAS_PURGED 1

/* Return values from ASHMEM_GET_PIN_STATUS: Is the mapping pinned? */
#define ASHMEM_IS_UNPINNED 0
#define ASHMEM_IS_PINNED 1

struct ashmem_pin {
__u32 offset; /* offset into region, in bytes, page-aligned */
__u32 len; /* length forward from offset, in bytes, page-aligned */
};

#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)
#include "uapi/ashmem.h"

/* support of 32bit userspace on 64bit platforms */
#ifdef CONFIG_COMPAT
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47 changes: 47 additions & 0 deletions drivers/staging/android/uapi/ashmem.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
/*
* drivers/staging/android/uapi/ashmem.h
*
* Copyright 2008 Google Inc.
* Author: Robert Love
*
* This file is dual licensed. It may be redistributed and/or modified
* under the terms of the Apache 2.0 License OR version 2 of the GNU
* General Public License.
*/

#ifndef _UAPI_LINUX_ASHMEM_H
#define _UAPI_LINUX_ASHMEM_H

#include <linux/ioctl.h>

#define ASHMEM_NAME_LEN 256

#define ASHMEM_NAME_DEF "dev/ashmem"

/* Return values from ASHMEM_PIN: Was the mapping purged while unpinned? */
#define ASHMEM_NOT_PURGED 0
#define ASHMEM_WAS_PURGED 1

/* Return values from ASHMEM_GET_PIN_STATUS: Is the mapping pinned? */
#define ASHMEM_IS_UNPINNED 0
#define ASHMEM_IS_PINNED 1

struct ashmem_pin {
__u32 offset; /* offset into region, in bytes, page-aligned */
__u32 len; /* length forward from offset, in bytes, page-aligned */
};

#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 /* _UAPI_LINUX_ASHMEM_H */

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