Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / android / uapi / ashmem.h

diff --git a/kernel/drivers/staging/android/uapi/ashmem.h b/kernel/drivers/staging/android/uapi/ashmem.h
new file mode 100644 (file)
index 0000000..ba4743c
--- /dev/null
+++ b/kernel/drivers/staging/android/uapi/ashmem.h
@@ -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 */