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#ifndef _UAPI_MSM_ION_H
#define _UAPI_MSM_ION_H
#include "ion.h"
enum msm_ion_heap_types {
ION_HEAP_TYPE_MSM_START = ION_HEAP_TYPE_CUSTOM + 1,
ION_HEAP_TYPE_SECURE_DMA = ION_HEAP_TYPE_MSM_START,
ION_HEAP_TYPE_REMOVED,
/*
* if you add a heap type here you should also add it to
* heap_types_info[] in msm_ion.c
*/
};
/**
* These are the only ids that should be used for Ion heap ids.
* The ids listed are the order in which allocation will be attempted
* if specified. Don't swap the order of heap ids unless you know what
* you are doing!
* Id's are spaced by purpose to allow new Id's to be inserted in-between (for
* possible fallbacks)
*/
enum ion_heap_ids {
INVALID_HEAP_ID = -1,
ION_CP_MM_HEAP_ID = 8,
ION_CP_MFC_HEAP_ID = 12,
ION_CP_WB_HEAP_ID = 16, /* 8660 only */
ION_CAMERA_HEAP_ID = 20, /* 8660 only */
ION_SYSTEM_CONTIG_HEAP_ID = 21,
ION_ADSP_HEAP_ID = 22,
ION_PIL1_HEAP_ID = 23, /* Currently used for other PIL images */
ION_SF_HEAP_ID = 24,
ION_SYSTEM_HEAP_ID = 25,
ION_PIL2_HEAP_ID = 26, /* Currently used for modem firmware images */
ION_QSECOM_HEAP_ID = 27,
ION_AUDIO_HEAP_ID = 28,
ION_MM_FIRMWARE_HEAP_ID = 29,
ION_HEAP_ID_RESERVED = 31 /** Bit reserved for ION_FLAG_SECURE flag */
};
/*
* The IOMMU heap is deprecated! Here are some aliases for backwards
* compatibility:
*/
#define ION_IOMMU_HEAP_ID ION_SYSTEM_HEAP_ID
#define ION_HEAP_TYPE_IOMMU ION_HEAP_TYPE_SYSTEM
enum ion_fixed_position {
NOT_FIXED,
FIXED_LOW,
FIXED_MIDDLE,
FIXED_HIGH,
};
enum cp_mem_usage {
VIDEO_BITSTREAM = 0x1,
VIDEO_PIXEL = 0x2,
VIDEO_NONPIXEL = 0x3,
DISPLAY_SECURE_CP_USAGE = 0x4,
CAMERA_SECURE_CP_USAGE = 0x5,
MAX_USAGE = 0x6,
UNKNOWN = 0x7FFFFFFF,
};
/**
* Flag to allow non continguous allocation of memory from secure
* heap
*/
#define ION_FLAG_ALLOW_NON_CONTIG (1 << 24)
/**
* Flag to use when allocating to indicate that a heap is secure.
*/
#define ION_FLAG_SECURE (1 << ION_HEAP_ID_RESERVED)
/**
* Flag for clients to force contiguous memort allocation
*
* Use of this flag is carefully monitored!
*/
#define ION_FLAG_FORCE_CONTIGUOUS (1 << 30)
/*
* Used in conjunction with heap which pool memory to force an allocation
* to come from the page allocator directly instead of from the pool allocation
*/
#define ION_FLAG_POOL_FORCE_ALLOC (1 << 16)
/**
* Deprecated! Please use the corresponding ION_FLAG_*
*/
#define ION_SECURE ION_FLAG_SECURE
#define ION_FORCE_CONTIGUOUS ION_FLAG_FORCE_CONTIGUOUS
/**
* Macro should be used with ion_heap_ids defined above.
*/
#define ION_HEAP(bit) (1 << (bit))
#define ION_ADSP_HEAP_NAME "adsp"
#define ION_SYSTEM_HEAP_NAME "system"
#define ION_VMALLOC_HEAP_NAME ION_SYSTEM_HEAP_NAME
#define ION_KMALLOC_HEAP_NAME "kmalloc"
#define ION_AUDIO_HEAP_NAME "audio"
#define ION_SF_HEAP_NAME "sf"
#define ION_MM_HEAP_NAME "mm"
#define ION_CAMERA_HEAP_NAME "camera_preview"
#define ION_IOMMU_HEAP_NAME "iommu"
#define ION_MFC_HEAP_NAME "mfc"
#define ION_WB_HEAP_NAME "wb"
#define ION_MM_FIRMWARE_HEAP_NAME "mm_fw"
#define ION_PIL1_HEAP_NAME "pil_1"
#define ION_PIL2_HEAP_NAME "pil_2"
#define ION_QSECOM_HEAP_NAME "qsecom"
#define ION_SET_CACHED(__cache) (__cache | ION_FLAG_CACHED)
#define ION_SET_UNCACHED(__cache) (__cache & ~ION_FLAG_CACHED)
#define ION_IS_CACHED(__flags) ((__flags) & ION_FLAG_CACHED)
/* struct ion_flush_data - data passed to ion for flushing caches
*
* @handle: handle with data to flush
* @fd: fd to flush
* @vaddr: userspace virtual address mapped with mmap
* @offset: offset into the handle to flush
* @length: length of handle to flush
*
* Performs cache operations on the handle. If p is the start address
* of the handle, p + offset through p + offset + length will have
* the cache operations performed
*/
struct ion_flush_data {
ion_user_handle_t handle;
int fd;
void *vaddr;
unsigned int offset;
unsigned int length;
};
struct ion_prefetch_data {
int heap_id;
unsigned long len;
};
#define ION_IOC_MSM_MAGIC 'M'
/**
* DOC: ION_IOC_CLEAN_CACHES - clean the caches
*
* Clean the caches of the handle specified.
*/
#define ION_IOC_CLEAN_CACHES _IOWR(ION_IOC_MSM_MAGIC, 0, \
struct ion_flush_data)
/**
* DOC: ION_IOC_INV_CACHES - invalidate the caches
*
* Invalidate the caches of the handle specified.
*/
#define ION_IOC_INV_CACHES _IOWR(ION_IOC_MSM_MAGIC, 1, \
struct ion_flush_data)
/**
* DOC: ION_IOC_CLEAN_INV_CACHES - clean and invalidate the caches
*
* Clean and invalidate the caches of the handle specified.
*/
#define ION_IOC_CLEAN_INV_CACHES _IOWR(ION_IOC_MSM_MAGIC, 2, \
struct ion_flush_data)
#define ION_IOC_PREFETCH _IOWR(ION_IOC_MSM_MAGIC, 3, \
struct ion_prefetch_data)
#define ION_IOC_DRAIN _IOWR(ION_IOC_MSM_MAGIC, 4, \
struct ion_prefetch_data)
#endif
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