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/****************************************************************************
****************************************************************************
***
*** 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.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPI_LINUX_ION_H
#define _UAPI_LINUX_ION_H
#include <linux/ioctl.h>
#include <linux/types.h>
typedef int ion_user_handle_t;
enum ion_heap_type {
ION_HEAP_TYPE_SYSTEM,
ION_HEAP_TYPE_SYSTEM_CONTIG,
ION_HEAP_TYPE_CARVEOUT,
ION_HEAP_TYPE_CHUNK,
ION_HEAP_TYPE_DMA,
ION_HEAP_TYPE_CUSTOM,
};
#define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8)
#define ION_FLAG_CACHED 1
#define ION_FLAG_CACHED_NEEDS_SYNC 2
struct ion_allocation_data {
size_t len;
size_t align;
unsigned int heap_id_mask;
unsigned int flags;
ion_user_handle_t handle;
};
struct ion_fd_data {
ion_user_handle_t handle;
int fd;
};
struct ion_handle_data {
ion_user_handle_t handle;
};
struct ion_custom_data {
unsigned int cmd;
unsigned long arg;
};
#define MAX_HEAP_NAME 32
struct ion_heap_data {
char name[MAX_HEAP_NAME];
__u32 type;
__u32 heap_id;
__u32 reserved0;
__u32 reserved1;
__u32 reserved2;
};
struct ion_heap_query {
__u32 cnt;
__u32 reserved0;
__u64 heaps;
__u32 reserved1;
__u32 reserved2;
};
#define ION_IOC_MAGIC 'I'
#define ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, struct ion_allocation_data)
#define ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data)
#define ION_IOC_MAP _IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data)
#define ION_IOC_SHARE _IOWR(ION_IOC_MAGIC, 4, struct ion_fd_data)
#define ION_IOC_IMPORT _IOWR(ION_IOC_MAGIC, 5, struct ion_fd_data)
#define ION_IOC_SYNC _IOWR(ION_IOC_MAGIC, 7, struct ion_fd_data)
#define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data)
#define ION_IOC_HEAP_QUERY _IOWR(ION_IOC_MAGIC, 8, struct ion_heap_query)
#endif
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