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78 lines
2.5 KiB
78 lines
2.5 KiB
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _UAPI_LINUX_ION_H
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#define _UAPI_LINUX_ION_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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typedef int ion_user_handle_t;
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enum ion_heap_type {
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ION_HEAP_TYPE_SYSTEM,
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ION_HEAP_TYPE_SYSTEM_CONTIG,
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ION_HEAP_TYPE_CARVEOUT,
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ION_HEAP_TYPE_CHUNK,
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ION_HEAP_TYPE_DMA,
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ION_HEAP_TYPE_CUSTOM,
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};
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#define ION_NUM_HEAP_IDS (sizeof(unsigned int) * 8)
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#define ION_FLAG_CACHED 1
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#define ION_FLAG_CACHED_NEEDS_SYNC 2
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struct ion_allocation_data {
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size_t len;
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size_t align;
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unsigned int heap_id_mask;
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unsigned int flags;
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ion_user_handle_t handle;
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};
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struct ion_fd_data {
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ion_user_handle_t handle;
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int fd;
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};
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struct ion_handle_data {
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ion_user_handle_t handle;
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};
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struct ion_custom_data {
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unsigned int cmd;
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unsigned long arg;
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};
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#define MAX_HEAP_NAME 32
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struct ion_heap_data {
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char name[MAX_HEAP_NAME];
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__u32 type;
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__u32 heap_id;
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__u32 reserved0;
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__u32 reserved1;
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__u32 reserved2;
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};
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struct ion_heap_query {
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__u32 cnt;
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__u32 reserved0;
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__u64 heaps;
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__u32 reserved1;
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__u32 reserved2;
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};
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#define ION_IOC_MAGIC 'I'
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#define ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, struct ion_allocation_data)
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#define ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data)
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#define ION_IOC_MAP _IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data)
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#define ION_IOC_SHARE _IOWR(ION_IOC_MAGIC, 4, struct ion_fd_data)
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#define ION_IOC_IMPORT _IOWR(ION_IOC_MAGIC, 5, struct ion_fd_data)
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#define ION_IOC_SYNC _IOWR(ION_IOC_MAGIC, 7, struct ion_fd_data)
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#define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data)
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#define ION_IOC_HEAP_QUERY _IOWR(ION_IOC_MAGIC, 8, struct ion_heap_query)
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#endif
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