212 lines
5.5 KiB
C
212 lines
5.5 KiB
C
#ifndef _UAPI_MSM_ION_H
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#define _UAPI_MSM_ION_H
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#include <linux/ion.h>
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enum msm_ion_heap_types {
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ION_HEAP_TYPE_MSM_START = ION_HEAP_TYPE_CUSTOM + 1,
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ION_HEAP_TYPE_SECURE_DMA = ION_HEAP_TYPE_MSM_START,
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ION_HEAP_TYPE_SYSTEM_SECURE,
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ION_HEAP_TYPE_HYP_CMA,
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/*
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* if you add a heap type here you should also add it to
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* heap_types_info[] in msm_ion.c
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*/
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};
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/**
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* These are the only ids that should be used for Ion heap ids.
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* The ids listed are the order in which allocation will be attempted
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* if specified. Don't swap the order of heap ids unless you know what
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* you are doing!
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* Id's are spaced by purpose to allow new Id's to be inserted in-between (for
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* possible fallbacks)
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*/
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enum ion_heap_ids {
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INVALID_HEAP_ID = -1,
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ION_CP_MM_HEAP_ID = 8,
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ION_SECURE_HEAP_ID = 9,
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ION_SECURE_DISPLAY_HEAP_ID = 10,
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ION_CP_MFC_HEAP_ID = 12,
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ION_CP_WB_HEAP_ID = 16, /* 8660 only */
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ION_CAMERA_HEAP_ID = 20, /* 8660 only */
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ION_SYSTEM_CONTIG_HEAP_ID = 21,
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ION_ADSP_HEAP_ID = 22,
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ION_PIL1_HEAP_ID = 23, /* Currently used for other PIL images */
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ION_SF_HEAP_ID = 24,
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ION_SYSTEM_HEAP_ID = 25,
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ION_PIL2_HEAP_ID = 26, /* Currently used for modem firmware images */
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ION_QSECOM_HEAP_ID = 27,
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ION_AUDIO_HEAP_ID = 28,
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ION_MM_FIRMWARE_HEAP_ID = 29,
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ION_HEAP_ID_RESERVED = 31 /** Bit reserved for ION_FLAG_SECURE flag */
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};
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/*
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* The IOMMU heap is deprecated! Here are some aliases for backwards
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* compatibility:
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*/
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#define ION_IOMMU_HEAP_ID ION_SYSTEM_HEAP_ID
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#define ION_HEAP_TYPE_IOMMU ION_HEAP_TYPE_SYSTEM
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enum ion_fixed_position {
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NOT_FIXED,
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FIXED_LOW,
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FIXED_MIDDLE,
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FIXED_HIGH,
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};
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enum cp_mem_usage {
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VIDEO_BITSTREAM = 0x1,
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VIDEO_PIXEL = 0x2,
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VIDEO_NONPIXEL = 0x3,
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DISPLAY_SECURE_CP_USAGE = 0x4,
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CAMERA_SECURE_CP_USAGE = 0x5,
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MAX_USAGE = 0x6,
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UNKNOWN = 0x7FFFFFFF,
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};
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/**
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* Flags to be used when allocating from the secure heap for
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* content protection
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*/
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#define ION_FLAG_CP_TOUCH (1 << 17)
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#define ION_FLAG_CP_BITSTREAM (1 << 18)
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#define ION_FLAG_CP_PIXEL (1 << 19)
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#define ION_FLAG_CP_NON_PIXEL (1 << 20)
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#define ION_FLAG_CP_CAMERA (1 << 21)
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#define ION_FLAG_CP_HLOS (1 << 22)
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#define ION_FLAG_CP_HLOS_FREE (1 << 23)
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#define ION_FLAG_CP_SEC_DISPLAY (1 << 25)
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#define ION_FLAG_CP_APP (1 << 26)
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/**
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* Flag to allow non continguous allocation of memory from secure
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* heap
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*/
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#define ION_FLAG_ALLOW_NON_CONTIG (1 << 24)
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/**
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* Flag to use when allocating to indicate that a heap is secure.
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*/
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#define ION_FLAG_SECURE (1 << ION_HEAP_ID_RESERVED)
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/**
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* Flag for clients to force contiguous memort allocation
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*
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* Use of this flag is carefully monitored!
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*/
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#define ION_FLAG_FORCE_CONTIGUOUS (1 << 30)
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/*
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* Used in conjunction with heap which pool memory to force an allocation
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* to come from the page allocator directly instead of from the pool allocation
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*/
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#define ION_FLAG_POOL_FORCE_ALLOC (1 << 16)
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#define ION_FLAG_POOL_PREFETCH (1 << 27)
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/**
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* Deprecated! Please use the corresponding ION_FLAG_*
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*/
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#define ION_SECURE ION_FLAG_SECURE
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#define ION_FORCE_CONTIGUOUS ION_FLAG_FORCE_CONTIGUOUS
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/**
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* Macro should be used with ion_heap_ids defined above.
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*/
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#define ION_HEAP(bit) (1 << (bit))
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#define ION_ADSP_HEAP_NAME "adsp"
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#define ION_SYSTEM_HEAP_NAME "system"
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#define ION_VMALLOC_HEAP_NAME ION_SYSTEM_HEAP_NAME
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#define ION_KMALLOC_HEAP_NAME "kmalloc"
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#define ION_AUDIO_HEAP_NAME "audio"
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#define ION_SF_HEAP_NAME "sf"
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#define ION_MM_HEAP_NAME "mm"
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#define ION_CAMERA_HEAP_NAME "camera_preview"
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#define ION_IOMMU_HEAP_NAME "iommu"
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#define ION_MFC_HEAP_NAME "mfc"
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#define ION_WB_HEAP_NAME "wb"
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#define ION_MM_FIRMWARE_HEAP_NAME "mm_fw"
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#define ION_PIL1_HEAP_NAME "pil_1"
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#define ION_PIL2_HEAP_NAME "pil_2"
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#define ION_QSECOM_HEAP_NAME "qsecom"
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#define ION_SECURE_HEAP_NAME "secure_heap"
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#define ION_SECURE_DISPLAY_HEAP_NAME "secure_display"
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#define ION_SET_CACHED(__cache) (__cache | ION_FLAG_CACHED)
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#define ION_SET_UNCACHED(__cache) (__cache & ~ION_FLAG_CACHED)
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#define ION_IS_CACHED(__flags) ((__flags) & ION_FLAG_CACHED)
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/* struct ion_flush_data - data passed to ion for flushing caches
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*
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* @handle: handle with data to flush
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* @fd: fd to flush
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* @vaddr: userspace virtual address mapped with mmap
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* @offset: offset into the handle to flush
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* @length: length of handle to flush
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*
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* Performs cache operations on the handle. If p is the start address
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* of the handle, p + offset through p + offset + length will have
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* the cache operations performed
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*/
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struct ion_flush_data {
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ion_user_handle_t handle;
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int fd;
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void *vaddr;
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unsigned int offset;
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unsigned int length;
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};
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struct ion_prefetch_regions {
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unsigned int vmid;
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size_t *sizes;
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unsigned int nr_sizes;
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};
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struct ion_prefetch_data {
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int heap_id;
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unsigned long len;
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/* Is unsigned long bad? 32bit compiler vs 64 bit compiler*/
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struct ion_prefetch_regions *regions;
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unsigned int nr_regions;
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};
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#define ION_IOC_MSM_MAGIC 'M'
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/**
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* DOC: ION_IOC_CLEAN_CACHES - clean the caches
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*
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* Clean the caches of the handle specified.
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*/
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#define ION_IOC_CLEAN_CACHES _IOWR(ION_IOC_MSM_MAGIC, 0, \
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struct ion_flush_data)
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/**
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* DOC: ION_IOC_INV_CACHES - invalidate the caches
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*
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* Invalidate the caches of the handle specified.
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*/
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#define ION_IOC_INV_CACHES _IOWR(ION_IOC_MSM_MAGIC, 1, \
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struct ion_flush_data)
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/**
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* DOC: ION_IOC_CLEAN_INV_CACHES - clean and invalidate the caches
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*
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* Clean and invalidate the caches of the handle specified.
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*/
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#define ION_IOC_CLEAN_INV_CACHES _IOWR(ION_IOC_MSM_MAGIC, 2, \
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struct ion_flush_data)
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#define ION_IOC_PREFETCH _IOWR(ION_IOC_MSM_MAGIC, 3, \
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struct ion_prefetch_data)
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#define ION_IOC_DRAIN _IOWR(ION_IOC_MSM_MAGIC, 4, \
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struct ion_prefetch_data)
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#endif
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