qcom/display: Fix ion header.
Change-Id: I4a7759c2bf52433565c8501c22627794fb9c45a1
This commit is contained in:
andrew.boren
parent
51cba77355
commit
29808884a9
836
libgralloc/ion_msm.h
Normal file
836
libgralloc/ion_msm.h
Normal file
@ -0,0 +1,836 @@
|
||||
/*
|
||||
* include/linux/ion.h
|
||||
*
|
||||
* Copyright (C) 2011 Google, Inc.
|
||||
* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
|
||||
*
|
||||
* This software is licensed under the terms of the GNU General Public
|
||||
* License version 2, as published by the Free Software Foundation, and
|
||||
* may be copied, distributed, and modified under those terms.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef _LINUX_ION_H
|
||||
#define _LINUX_ION_H
|
||||
|
||||
#include <linux/ioctl.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
|
||||
struct ion_handle;
|
||||
/**
|
||||
* enum ion_heap_types - list of all possible types of heaps
|
||||
* @ION_HEAP_TYPE_SYSTEM: memory allocated via vmalloc
|
||||
* @ION_HEAP_TYPE_SYSTEM_CONTIG: memory allocated via kmalloc
|
||||
* @ION_HEAP_TYPE_CARVEOUT: memory allocated from a prereserved
|
||||
* carveout heap, allocations are physically
|
||||
* contiguous
|
||||
* @ION_HEAP_TYPE_IOMMU: IOMMU memory
|
||||
* @ION_HEAP_TYPE_CP: memory allocated from a prereserved
|
||||
* carveout heap, allocations are physically
|
||||
* contiguous. Used for content protection.
|
||||
* @ION_HEAP_END: helper for iterating over heaps
|
||||
*/
|
||||
enum ion_heap_type {
|
||||
ION_HEAP_TYPE_SYSTEM,
|
||||
ION_HEAP_TYPE_SYSTEM_CONTIG,
|
||||
ION_HEAP_TYPE_CARVEOUT,
|
||||
ION_HEAP_TYPE_IOMMU,
|
||||
ION_HEAP_TYPE_CP,
|
||||
ION_HEAP_TYPE_CUSTOM, /* must be last so device specific heaps always
|
||||
are at the end of this enum */
|
||||
ION_NUM_HEAPS,
|
||||
};
|
||||
|
||||
#define ION_HEAP_SYSTEM_MASK (1 << ION_HEAP_TYPE_SYSTEM)
|
||||
#define ION_HEAP_SYSTEM_CONTIG_MASK (1 << ION_HEAP_TYPE_SYSTEM_CONTIG)
|
||||
#define ION_HEAP_CARVEOUT_MASK (1 << ION_HEAP_TYPE_CARVEOUT)
|
||||
#define ION_HEAP_CP_MASK (1 << ION_HEAP_TYPE_CP)
|
||||
|
||||
|
||||
/**
|
||||
* 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_SF_HEAP_ID = 24,
|
||||
ION_IOMMU_HEAP_ID = 25,
|
||||
ION_QSECOM_HEAP_ID = 27,
|
||||
ION_AUDIO_HEAP_ID = 28,
|
||||
|
||||
ION_MM_FIRMWARE_HEAP_ID = 29,
|
||||
ION_SYSTEM_HEAP_ID = 30,
|
||||
|
||||
ION_HEAP_ID_RESERVED = 31 /** Bit reserved for ION_SECURE flag */
|
||||
};
|
||||
|
||||
enum ion_fixed_position {
|
||||
NOT_FIXED,
|
||||
FIXED_LOW,
|
||||
FIXED_MIDDLE,
|
||||
FIXED_HIGH,
|
||||
};
|
||||
|
||||
/**
|
||||
* Flag to use when allocating to indicate that a heap is secure.
|
||||
*/
|
||||
#define ION_SECURE (1 << ION_HEAP_ID_RESERVED)
|
||||
|
||||
/**
|
||||
* Macro should be used with ion_heap_ids defined above.
|
||||
*/
|
||||
#define ION_HEAP(bit) (1 << (bit))
|
||||
|
||||
#define ION_VMALLOC_HEAP_NAME "vmalloc"
|
||||
#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_QSECOM_HEAP_NAME "qsecom"
|
||||
#define ION_FMEM_HEAP_NAME "fmem"
|
||||
|
||||
#define CACHED 1
|
||||
#define UNCACHED 0
|
||||
|
||||
#define ION_CACHE_SHIFT 0
|
||||
|
||||
#define ION_SET_CACHE(__cache) ((__cache) << ION_CACHE_SHIFT)
|
||||
|
||||
#define ION_IS_CACHED(__flags) ((__flags) & (1 << ION_CACHE_SHIFT))
|
||||
|
||||
/*
|
||||
* This flag allows clients when mapping into the IOMMU to specify to
|
||||
* defer un-mapping from the IOMMU until the buffer memory is freed.
|
||||
*/
|
||||
#define ION_IOMMU_UNMAP_DELAYED 1
|
||||
|
||||
#ifdef __KERNEL__
|
||||
#include <linux/err.h>
|
||||
#include <mach/ion.h>
|
||||
struct ion_device;
|
||||
struct ion_heap;
|
||||
struct ion_mapper;
|
||||
struct ion_client;
|
||||
struct ion_buffer;
|
||||
|
||||
/* This should be removed some day when phys_addr_t's are fully
|
||||
plumbed in the kernel, and all instances of ion_phys_addr_t should
|
||||
be converted to phys_addr_t. For the time being many kernel interfaces
|
||||
do not accept phys_addr_t's that would have to */
|
||||
#define ion_phys_addr_t unsigned long
|
||||
#define ion_virt_addr_t unsigned long
|
||||
|
||||
/**
|
||||
* struct ion_platform_heap - defines a heap in the given platform
|
||||
* @type: type of the heap from ion_heap_type enum
|
||||
* @id: unique identifier for heap. When allocating (lower numbers
|
||||
* will be allocated from first)
|
||||
* @name: used for debug purposes
|
||||
* @base: base address of heap in physical memory if applicable
|
||||
* @size: size of the heap in bytes if applicable
|
||||
* @memory_type:Memory type used for the heap
|
||||
* @extra_data: Extra data specific to each heap type
|
||||
*/
|
||||
struct ion_platform_heap {
|
||||
enum ion_heap_type type;
|
||||
unsigned int id;
|
||||
const char *name;
|
||||
ion_phys_addr_t base;
|
||||
size_t size;
|
||||
enum ion_memory_types memory_type;
|
||||
void *extra_data;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_cp_heap_pdata - defines a content protection heap in the given
|
||||
* platform
|
||||
* @permission_type: Memory ID used to identify the memory to TZ
|
||||
* @align: Alignment requirement for the memory
|
||||
* @secure_base: Base address for securing the heap.
|
||||
* Note: This might be different from actual base address
|
||||
* of this heap in the case of a shared heap.
|
||||
* @secure_size: Memory size for securing the heap.
|
||||
* Note: This might be different from actual size
|
||||
* of this heap in the case of a shared heap.
|
||||
* @reusable Flag indicating whether this heap is reusable of not.
|
||||
* (see FMEM)
|
||||
* @mem_is_fmem Flag indicating whether this memory is coming from fmem
|
||||
* or not.
|
||||
* @fixed_position If nonzero, position in the fixed area.
|
||||
* @virt_addr: Virtual address used when using fmem.
|
||||
* @request_region: function to be called when the number of allocations
|
||||
* goes from 0 -> 1
|
||||
* @release_region: function to be called when the number of allocations
|
||||
* goes from 1 -> 0
|
||||
* @setup_region: function to be called upon ion registration
|
||||
*
|
||||
*/
|
||||
struct ion_cp_heap_pdata {
|
||||
enum ion_permission_type permission_type;
|
||||
unsigned int align;
|
||||
ion_phys_addr_t secure_base; /* Base addr used when heap is shared */
|
||||
size_t secure_size; /* Size used for securing heap when heap is shared*/
|
||||
int reusable;
|
||||
int mem_is_fmem;
|
||||
enum ion_fixed_position fixed_position;
|
||||
ion_virt_addr_t *virt_addr;
|
||||
int (*request_region)(void *);
|
||||
int (*release_region)(void *);
|
||||
void *(*setup_region)(void);
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_co_heap_pdata - defines a carveout heap in the given platform
|
||||
* @adjacent_mem_id: Id of heap that this heap must be adjacent to.
|
||||
* @align: Alignment requirement for the memory
|
||||
* @mem_is_fmem Flag indicating whether this memory is coming from fmem
|
||||
* or not.
|
||||
* @fixed_position If nonzero, position in the fixed area.
|
||||
* @request_region: function to be called when the number of allocations
|
||||
* goes from 0 -> 1
|
||||
* @release_region: function to be called when the number of allocations
|
||||
* goes from 1 -> 0
|
||||
* @setup_region: function to be called upon ion registration
|
||||
*
|
||||
*/
|
||||
struct ion_co_heap_pdata {
|
||||
int adjacent_mem_id;
|
||||
unsigned int align;
|
||||
int mem_is_fmem;
|
||||
enum ion_fixed_position fixed_position;
|
||||
int (*request_region)(void *);
|
||||
int (*release_region)(void *);
|
||||
void *(*setup_region)(void);
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_platform_data - array of platform heaps passed from board file
|
||||
* @nr: number of structures in the array
|
||||
* @request_region: function to be called when the number of allocations goes
|
||||
* from 0 -> 1
|
||||
* @release_region: function to be called when the number of allocations goes
|
||||
* from 1 -> 0
|
||||
* @setup_region: function to be called upon ion registration
|
||||
* @heaps: array of platform_heap structions
|
||||
*
|
||||
* Provided by the board file in the form of platform data to a platform device.
|
||||
*/
|
||||
struct ion_platform_data {
|
||||
int nr;
|
||||
int (*request_region)(void *);
|
||||
int (*release_region)(void *);
|
||||
void *(*setup_region)(void);
|
||||
struct ion_platform_heap heaps[];
|
||||
};
|
||||
|
||||
#ifdef CONFIG_ION
|
||||
|
||||
/**
|
||||
* ion_client_create() - allocate a client and returns it
|
||||
* @dev: the global ion device
|
||||
* @heap_mask: mask of heaps this client can allocate from
|
||||
* @name: used for debugging
|
||||
*/
|
||||
struct ion_client *ion_client_create(struct ion_device *dev,
|
||||
unsigned int heap_mask, const char *name);
|
||||
|
||||
/**
|
||||
* msm_ion_client_create - allocate a client using the ion_device specified in
|
||||
* drivers/gpu/ion/msm/msm_ion.c
|
||||
*
|
||||
* heap_mask and name are the same as ion_client_create, return values
|
||||
* are the same as ion_client_create.
|
||||
*/
|
||||
|
||||
struct ion_client *msm_ion_client_create(unsigned int heap_mask,
|
||||
const char *name);
|
||||
|
||||
/**
|
||||
* ion_client_destroy() - free's a client and all it's handles
|
||||
* @client: the client
|
||||
*
|
||||
* Free the provided client and all it's resources including
|
||||
* any handles it is holding.
|
||||
*/
|
||||
void ion_client_destroy(struct ion_client *client);
|
||||
|
||||
/**
|
||||
* ion_alloc - allocate ion memory
|
||||
* @client: the client
|
||||
* @len: size of the allocation
|
||||
* @align: requested allocation alignment, lots of hardware blocks have
|
||||
* alignment requirements of some kind
|
||||
* @flags: mask of heaps to allocate from, if multiple bits are set
|
||||
* heaps will be tried in order from lowest to highest order bit
|
||||
*
|
||||
* Allocate memory in one of the heaps provided in heap mask and return
|
||||
* an opaque handle to it.
|
||||
*/
|
||||
struct ion_handle *ion_alloc(struct ion_client *client, size_t len,
|
||||
size_t align, unsigned int flags);
|
||||
|
||||
/**
|
||||
* ion_free - free a handle
|
||||
* @client: the client
|
||||
* @handle: the handle to free
|
||||
*
|
||||
* Free the provided handle.
|
||||
*/
|
||||
void ion_free(struct ion_client *client, struct ion_handle *handle);
|
||||
|
||||
/**
|
||||
* ion_phys - returns the physical address and len of a handle
|
||||
* @client: the client
|
||||
* @handle: the handle
|
||||
* @addr: a pointer to put the address in
|
||||
* @len: a pointer to put the length in
|
||||
*
|
||||
* This function queries the heap for a particular handle to get the
|
||||
* handle's physical address. It't output is only correct if
|
||||
* a heap returns physically contiguous memory -- in other cases
|
||||
* this api should not be implemented -- ion_map_dma should be used
|
||||
* instead. Returns -EINVAL if the handle is invalid. This has
|
||||
* no implications on the reference counting of the handle --
|
||||
* the returned value may not be valid if the caller is not
|
||||
* holding a reference.
|
||||
*/
|
||||
int ion_phys(struct ion_client *client, struct ion_handle *handle,
|
||||
ion_phys_addr_t *addr, size_t *len);
|
||||
|
||||
/**
|
||||
* ion_map_kernel - create mapping for the given handle
|
||||
* @client: the client
|
||||
* @handle: handle to map
|
||||
* @flags: flags for this mapping
|
||||
*
|
||||
* Map the given handle into the kernel and return a kernel address that
|
||||
* can be used to access this address. If no flags are specified, this
|
||||
* will return a non-secure uncached mapping.
|
||||
*/
|
||||
void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle,
|
||||
unsigned long flags);
|
||||
|
||||
/**
|
||||
* ion_unmap_kernel() - destroy a kernel mapping for a handle
|
||||
* @client: the client
|
||||
* @handle: handle to unmap
|
||||
*/
|
||||
void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle);
|
||||
|
||||
/**
|
||||
* ion_map_dma - create a dma mapping for a given handle
|
||||
* @client: the client
|
||||
* @handle: handle to map
|
||||
*
|
||||
* Return an sglist describing the given handle
|
||||
*/
|
||||
struct scatterlist *ion_map_dma(struct ion_client *client,
|
||||
struct ion_handle *handle,
|
||||
unsigned long flags);
|
||||
|
||||
/**
|
||||
* ion_unmap_dma() - destroy a dma mapping for a handle
|
||||
* @client: the client
|
||||
* @handle: handle to unmap
|
||||
*/
|
||||
void ion_unmap_dma(struct ion_client *client, struct ion_handle *handle);
|
||||
|
||||
/**
|
||||
* ion_share() - given a handle, obtain a buffer to pass to other clients
|
||||
* @client: the client
|
||||
* @handle: the handle to share
|
||||
*
|
||||
* Given a handle, return a buffer, which exists in a global name
|
||||
* space, and can be passed to other clients. Should be passed into ion_import
|
||||
* to obtain a new handle for this buffer.
|
||||
*
|
||||
* NOTE: This function does do not an extra reference. The burden is on the
|
||||
* caller to make sure the buffer doesn't go away while it's being passed to
|
||||
* another client. That is, ion_free should not be called on this handle until
|
||||
* the buffer has been imported into the other client.
|
||||
*/
|
||||
struct ion_buffer *ion_share(struct ion_client *client,
|
||||
struct ion_handle *handle);
|
||||
|
||||
/**
|
||||
* ion_import() - given an buffer in another client, import it
|
||||
* @client: this blocks client
|
||||
* @buffer: the buffer to import (as obtained from ion_share)
|
||||
*
|
||||
* Given a buffer, add it to the client and return the handle to use to refer
|
||||
* to it further. This is called to share a handle from one kernel client to
|
||||
* another.
|
||||
*/
|
||||
struct ion_handle *ion_import(struct ion_client *client,
|
||||
struct ion_buffer *buffer);
|
||||
|
||||
/**
|
||||
* ion_import_fd() - given an fd obtained via ION_IOC_SHARE ioctl, import it
|
||||
* @client: this blocks client
|
||||
* @fd: the fd
|
||||
*
|
||||
* A helper function for drivers that will be recieving ion buffers shared
|
||||
* with them from userspace. These buffers are represented by a file
|
||||
* descriptor obtained as the return from the ION_IOC_SHARE ioctl.
|
||||
* This function coverts that fd into the underlying buffer, and returns
|
||||
* the handle to use to refer to it further.
|
||||
*/
|
||||
struct ion_handle *ion_import_fd(struct ion_client *client, int fd);
|
||||
|
||||
/**
|
||||
* ion_handle_get_flags - get the flags for a given handle
|
||||
*
|
||||
* @client - client who allocated the handle
|
||||
* @handle - handle to get the flags
|
||||
* @flags - pointer to store the flags
|
||||
*
|
||||
* Gets the current flags for a handle. These flags indicate various options
|
||||
* of the buffer (caching, security, etc.)
|
||||
*/
|
||||
int ion_handle_get_flags(struct ion_client *client, struct ion_handle *handle,
|
||||
unsigned long *flags);
|
||||
|
||||
|
||||
/**
|
||||
* ion_map_iommu - map the given handle into an iommu
|
||||
*
|
||||
* @client - client who allocated the handle
|
||||
* @handle - handle to map
|
||||
* @domain_num - domain number to map to
|
||||
* @partition_num - partition number to allocate iova from
|
||||
* @align - alignment for the iova
|
||||
* @iova_length - length of iova to map. If the iova length is
|
||||
* greater than the handle length, the remaining
|
||||
* address space will be mapped to a dummy buffer.
|
||||
* @iova - pointer to store the iova address
|
||||
* @buffer_size - pointer to store the size of the buffer
|
||||
* @flags - flags for options to map
|
||||
* @iommu_flags - flags specific to the iommu.
|
||||
*
|
||||
* Maps the handle into the iova space specified via domain number. Iova
|
||||
* will be allocated from the partition specified via partition_num.
|
||||
* Returns 0 on success, negative value on error.
|
||||
*/
|
||||
int ion_map_iommu(struct ion_client *client, struct ion_handle *handle,
|
||||
int domain_num, int partition_num, unsigned long align,
|
||||
unsigned long iova_length, unsigned long *iova,
|
||||
unsigned long *buffer_size,
|
||||
unsigned long flags, unsigned long iommu_flags);
|
||||
|
||||
|
||||
/**
|
||||
* ion_handle_get_size - get the allocated size of a given handle
|
||||
*
|
||||
* @client - client who allocated the handle
|
||||
* @handle - handle to get the size
|
||||
* @size - pointer to store the size
|
||||
*
|
||||
* gives the allocated size of a handle. returns 0 on success, negative
|
||||
* value on error
|
||||
*
|
||||
* NOTE: This is intended to be used only to get a size to pass to map_iommu.
|
||||
* You should *NOT* rely on this for any other usage.
|
||||
*/
|
||||
|
||||
int ion_handle_get_size(struct ion_client *client, struct ion_handle *handle,
|
||||
unsigned long *size);
|
||||
|
||||
/**
|
||||
* ion_unmap_iommu - unmap the handle from an iommu
|
||||
*
|
||||
* @client - client who allocated the handle
|
||||
* @handle - handle to unmap
|
||||
* @domain_num - domain to unmap from
|
||||
* @partition_num - partition to unmap from
|
||||
*
|
||||
* Decrement the reference count on the iommu mapping. If the count is
|
||||
* 0, the mapping will be removed from the iommu.
|
||||
*/
|
||||
void ion_unmap_iommu(struct ion_client *client, struct ion_handle *handle,
|
||||
int domain_num, int partition_num);
|
||||
|
||||
|
||||
/**
|
||||
* ion_secure_heap - secure a heap
|
||||
*
|
||||
* @client - a client that has allocated from the heap heap_id
|
||||
* @heap_id - heap id to secure.
|
||||
*
|
||||
* Secure a heap
|
||||
* Returns 0 on success
|
||||
*/
|
||||
int ion_secure_heap(struct ion_device *dev, int heap_id);
|
||||
|
||||
/**
|
||||
* ion_unsecure_heap - un-secure a heap
|
||||
*
|
||||
* @client - a client that has allocated from the heap heap_id
|
||||
* @heap_id - heap id to un-secure.
|
||||
*
|
||||
* Un-secure a heap
|
||||
* Returns 0 on success
|
||||
*/
|
||||
int ion_unsecure_heap(struct ion_device *dev, int heap_id);
|
||||
|
||||
/**
|
||||
* msm_ion_secure_heap - secure a heap. Wrapper around ion_secure_heap.
|
||||
*
|
||||
* @heap_id - heap id to secure.
|
||||
*
|
||||
* Secure a heap
|
||||
* Returns 0 on success
|
||||
*/
|
||||
int msm_ion_secure_heap(int heap_id);
|
||||
|
||||
/**
|
||||
* msm_ion_unsecure_heap - unsecure a heap. Wrapper around ion_unsecure_heap.
|
||||
*
|
||||
* @heap_id - heap id to secure.
|
||||
*
|
||||
* Un-secure a heap
|
||||
* Returns 0 on success
|
||||
*/
|
||||
int msm_ion_unsecure_heap(int heap_id);
|
||||
|
||||
/**
|
||||
* msm_ion_do_cache_op - do cache operations.
|
||||
*
|
||||
* @client - pointer to ION client.
|
||||
* @handle - pointer to buffer handle.
|
||||
* @vaddr - virtual address to operate on.
|
||||
* @len - Length of data to do cache operation on.
|
||||
* @cmd - Cache operation to perform:
|
||||
* ION_IOC_CLEAN_CACHES
|
||||
* ION_IOC_INV_CACHES
|
||||
* ION_IOC_CLEAN_INV_CACHES
|
||||
*
|
||||
* Returns 0 on success
|
||||
*/
|
||||
int msm_ion_do_cache_op(struct ion_client *client, struct ion_handle *handle,
|
||||
void *vaddr, unsigned long len, unsigned int cmd);
|
||||
|
||||
#else
|
||||
static inline struct ion_client *ion_client_create(struct ion_device *dev,
|
||||
unsigned int heap_mask, const char *name)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline struct ion_client *msm_ion_client_create(unsigned int heap_mask,
|
||||
const char *name)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline void ion_client_destroy(struct ion_client *client) { }
|
||||
|
||||
static inline struct ion_handle *ion_alloc(struct ion_client *client,
|
||||
size_t len, size_t align, unsigned int flags)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline void ion_free(struct ion_client *client,
|
||||
struct ion_handle *handle) { }
|
||||
|
||||
|
||||
static inline int ion_phys(struct ion_client *client,
|
||||
struct ion_handle *handle, ion_phys_addr_t *addr, size_t *len)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline void *ion_map_kernel(struct ion_client *client,
|
||||
struct ion_handle *handle, unsigned long flags)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline void ion_unmap_kernel(struct ion_client *client,
|
||||
struct ion_handle *handle) { }
|
||||
|
||||
static inline struct scatterlist *ion_map_dma(struct ion_client *client,
|
||||
struct ion_handle *handle, unsigned long flags)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline void ion_unmap_dma(struct ion_client *client,
|
||||
struct ion_handle *handle) { }
|
||||
|
||||
static inline struct ion_buffer *ion_share(struct ion_client *client,
|
||||
struct ion_handle *handle)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline struct ion_handle *ion_import(struct ion_client *client,
|
||||
struct ion_buffer *buffer)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline struct ion_handle *ion_import_fd(struct ion_client *client,
|
||||
int fd)
|
||||
{
|
||||
return ERR_PTR(-ENODEV);
|
||||
}
|
||||
|
||||
static inline int ion_handle_get_flags(struct ion_client *client,
|
||||
struct ion_handle *handle, unsigned long *flags)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline int ion_map_iommu(struct ion_client *client,
|
||||
struct ion_handle *handle, int domain_num,
|
||||
int partition_num, unsigned long align,
|
||||
unsigned long iova_length, unsigned long *iova,
|
||||
unsigned long *buffer_size,
|
||||
unsigned long flags,
|
||||
unsigned long iommu_flags)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline void ion_unmap_iommu(struct ion_client *client,
|
||||
struct ion_handle *handle, int domain_num,
|
||||
int partition_num)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
static inline int ion_secure_heap(struct ion_device *dev, int heap_id)
|
||||
{
|
||||
return -ENODEV;
|
||||
|
||||
}
|
||||
|
||||
static inline int ion_unsecure_heap(struct ion_device *dev, int heap_id)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline int msm_ion_secure_heap(int heap_id)
|
||||
{
|
||||
return -ENODEV;
|
||||
|
||||
}
|
||||
|
||||
static inline int msm_ion_unsecure_heap(int heap_id)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
static inline int msm_ion_do_cache_op(struct ion_client *client,
|
||||
struct ion_handle *handle, void *vaddr,
|
||||
unsigned long len, unsigned int cmd)
|
||||
{
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
#endif /* CONFIG_ION */
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
/**
|
||||
* DOC: Ion Userspace API
|
||||
*
|
||||
* create a client by opening /dev/ion
|
||||
* most operations handled via following ioctls
|
||||
*
|
||||
*/
|
||||
|
||||
/**
|
||||
* struct ion_allocation_data - metadata passed from userspace for allocations
|
||||
* @len: size of the allocation
|
||||
* @align: required alignment of the allocation
|
||||
* @flags: flags passed to heap
|
||||
* @handle: pointer that will be populated with a cookie to use to refer
|
||||
* to this allocation
|
||||
*
|
||||
* Provided by userspace as an argument to the ioctl
|
||||
*/
|
||||
struct ion_allocation_data {
|
||||
size_t len;
|
||||
size_t align;
|
||||
unsigned int flags;
|
||||
struct ion_handle *handle;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_fd_data - metadata passed to/from userspace for a handle/fd pair
|
||||
* @handle: a handle
|
||||
* @fd: a file descriptor representing that handle
|
||||
*
|
||||
* For ION_IOC_SHARE or ION_IOC_MAP userspace populates the handle field with
|
||||
* the handle returned from ion alloc, and the kernel returns the file
|
||||
* descriptor to share or map in the fd field. For ION_IOC_IMPORT, userspace
|
||||
* provides the file descriptor and the kernel returns the handle.
|
||||
*/
|
||||
struct ion_fd_data {
|
||||
struct ion_handle *handle;
|
||||
int fd;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_handle_data - a handle passed to/from the kernel
|
||||
* @handle: a handle
|
||||
*/
|
||||
struct ion_handle_data {
|
||||
struct ion_handle *handle;
|
||||
};
|
||||
|
||||
/**
|
||||
* struct ion_custom_data - metadata passed to/from userspace for a custom ioctl
|
||||
* @cmd: the custom ioctl function to call
|
||||
* @arg: additional data to pass to the custom ioctl, typically a user
|
||||
* pointer to a predefined structure
|
||||
*
|
||||
* This works just like the regular cmd and arg fields of an ioctl.
|
||||
*/
|
||||
struct ion_custom_data {
|
||||
unsigned int cmd;
|
||||
unsigned long arg;
|
||||
};
|
||||
|
||||
|
||||
/* 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 {
|
||||
struct ion_handle *handle;
|
||||
int fd;
|
||||
void *vaddr;
|
||||
unsigned int offset;
|
||||
unsigned int length;
|
||||
};
|
||||
|
||||
/* struct ion_flag_data - information about flags for this buffer
|
||||
*
|
||||
* @handle: handle to get flags from
|
||||
* @flags: flags of this handle
|
||||
*
|
||||
* Takes handle as an input and outputs the flags from the handle
|
||||
* in the flag field.
|
||||
*/
|
||||
struct ion_flag_data {
|
||||
struct ion_handle *handle;
|
||||
unsigned long flags;
|
||||
};
|
||||
|
||||
#define ION_IOC_MAGIC 'I'
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_ALLOC - allocate memory
|
||||
*
|
||||
* Takes an ion_allocation_data struct and returns it with the handle field
|
||||
* populated with the opaque handle for the allocation.
|
||||
*/
|
||||
#define ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, \
|
||||
struct ion_allocation_data)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_FREE - free memory
|
||||
*
|
||||
* Takes an ion_handle_data struct and frees the handle.
|
||||
*/
|
||||
#define ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_MAP - get a file descriptor to mmap
|
||||
*
|
||||
* Takes an ion_fd_data struct with the handle field populated with a valid
|
||||
* opaque handle. Returns the struct with the fd field set to a file
|
||||
* descriptor open in the current address space. This file descriptor
|
||||
* can then be used as an argument to mmap.
|
||||
*/
|
||||
#define ION_IOC_MAP _IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_SHARE - creates a file descriptor to use to share an allocation
|
||||
*
|
||||
* Takes an ion_fd_data struct with the handle field populated with a valid
|
||||
* opaque handle. Returns the struct with the fd field set to a file
|
||||
* descriptor open in the current address space. This file descriptor
|
||||
* can then be passed to another process. The corresponding opaque handle can
|
||||
* be retrieved via ION_IOC_IMPORT.
|
||||
*/
|
||||
#define ION_IOC_SHARE _IOWR(ION_IOC_MAGIC, 4, struct ion_fd_data)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_IMPORT - imports a shared file descriptor
|
||||
*
|
||||
* Takes an ion_fd_data struct with the fd field populated with a valid file
|
||||
* descriptor obtained from ION_IOC_SHARE and returns the struct with the handle
|
||||
* filed set to the corresponding opaque handle.
|
||||
*/
|
||||
#define ION_IOC_IMPORT _IOWR(ION_IOC_MAGIC, 5, int)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_CUSTOM - call architecture specific ion ioctl
|
||||
*
|
||||
* Takes the argument of the architecture specific ioctl to call and
|
||||
* passes appropriate userdata for that ioctl
|
||||
*/
|
||||
#define ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, struct ion_custom_data)
|
||||
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_CLEAN_CACHES - clean the caches
|
||||
*
|
||||
* Clean the caches of the handle specified.
|
||||
*/
|
||||
#define ION_IOC_CLEAN_CACHES _IOWR(ION_IOC_MAGIC, 7, \
|
||||
struct ion_flush_data)
|
||||
/**
|
||||
* DOC: ION_MSM_IOC_INV_CACHES - invalidate the caches
|
||||
*
|
||||
* Invalidate the caches of the handle specified.
|
||||
*/
|
||||
#define ION_IOC_INV_CACHES _IOWR(ION_IOC_MAGIC, 8, \
|
||||
struct ion_flush_data)
|
||||
/**
|
||||
* DOC: ION_MSM_IOC_CLEAN_CACHES - clean and invalidate the caches
|
||||
*
|
||||
* Clean and invalidate the caches of the handle specified.
|
||||
*/
|
||||
#define ION_IOC_CLEAN_INV_CACHES _IOWR(ION_IOC_MAGIC, 9, \
|
||||
struct ion_flush_data)
|
||||
|
||||
/**
|
||||
* DOC: ION_IOC_GET_FLAGS - get the flags of the handle
|
||||
*
|
||||
* Gets the flags of the current handle which indicate cachability,
|
||||
* secure state etc.
|
||||
*/
|
||||
#define ION_IOC_GET_FLAGS _IOWR(ION_IOC_MAGIC, 10, \
|
||||
struct ion_flag_data)
|
||||
#endif /* _LINUX_ION_H */
|
||||
@ -30,9 +30,11 @@
|
||||
#ifndef GRALLOC_IONALLOC_H
|
||||
#define GRALLOC_IONALLOC_H
|
||||
|
||||
#include <linux/msm_ion.h>
|
||||
#include "memalloc.h"
|
||||
#include "gr.h"
|
||||
//#include <linux/ion.h>
|
||||
//XXX: Move to bionic
|
||||
#include "ion_msm.h"
|
||||
|
||||
namespace gralloc {
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user