diff options
author | Roshni Shah <shah.roshni@yahoo.com> | 2011-03-14 06:49:42 -0400 |
---|---|---|
committer | Justin Waters <justin.waters@timesys.com> | 2012-03-02 16:59:46 -0500 |
commit | 2731b2eadeaa141e6f305fa8086106608112bbaa (patch) | |
tree | 2702d45bac84073cd580ccb1bd3eafb9a000d3b6 /include/linux/ashmem.h | |
parent | 6d23f5084c975be637f7d748db82116bf84d3872 (diff) |
Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049
This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.
http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a
Diffstat (limited to 'include/linux/ashmem.h')
-rw-r--r-- | include/linux/ashmem.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/include/linux/ashmem.h b/include/linux/ashmem.h new file mode 100644 index 000000000000..1976b10ef93e --- /dev/null +++ b/include/linux/ashmem.h @@ -0,0 +1,48 @@ +/* + * include/linux/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 _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" + +/* 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 /* _LINUX_ASHMEM_H */ |