You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
4.1 KiB
141 lines
4.1 KiB
/**
|
|
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* * Neither the name of The Linux Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef RPCMEM_H
|
|
#define RPCMEM_H
|
|
|
|
#include "AEEStdDef.h"
|
|
|
|
/**
|
|
* RPCMEM_DEFAULT_HEAP
|
|
* Dynamicaly select the heap to use. This should be ok for most usecases.
|
|
*/
|
|
#define RPCMEM_DEFAULT_HEAP -1
|
|
|
|
|
|
/**
|
|
* RPCMEM_DEFAULT_FLAGS should allocate memory with the same properties
|
|
* as the ION_FLAG_CACHED flag
|
|
*/
|
|
#ifdef ION_FLAG_CACHED
|
|
#define RPCMEM_DEFAULT_FLAGS ION_FLAG_CACHED
|
|
#else
|
|
#define RPCMEM_DEFAULT_FLAGS 1
|
|
#endif
|
|
|
|
/**
|
|
* RPCMEM_FLAG_UNCACHED
|
|
* ION_FLAG_CACHED should be defined as 1
|
|
*/
|
|
#define RPCMEM_FLAG_UNCACHED 0
|
|
#define RPCMEM_FLAG_CACHED RPCMEM_DEFAULT_FLAGS
|
|
|
|
/**
|
|
* examples:
|
|
*
|
|
* heap 22, uncached, 1kb
|
|
* rpcmem_alloc(22, 0, 1024);
|
|
* rpcmem_alloc(22, RPCMEM_FLAG_UNCACHED, 1024);
|
|
*
|
|
* heap 21, cached, 2kb
|
|
* rpcmem_alloc(21, RPCMEM_FLAG_CACHED, 2048);
|
|
* #include <ion.h>
|
|
* rpcmem_alloc(21, ION_FLAG_CACHED, 2048);
|
|
*
|
|
* just give me the defaults, 2kb
|
|
* rpcmem_alloc(RPCMEM_DEFAULT_HEAP, RPCMEM_DEFAULT_FLAGS, 2048);
|
|
* rpcmem_alloc_def(2048);
|
|
*
|
|
* give me the default flags, but from heap 18, 4kb
|
|
* rpcmem_alloc(18, RPCMEM_DEFAULT_FLAGS, 4096);
|
|
*
|
|
*/
|
|
#define ION_SECURE_FLAGS ((1 << 31) | (1 << 19))
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* call once to initialize the library
|
|
* Note: should not call this if rpcmem is linked from libadsprpc.so
|
|
* /libcdsprpc.so/libmdsprpc.so/libsdsprpc.so
|
|
*/
|
|
void rpcmem_init(void);
|
|
/**
|
|
* call once for cleanup
|
|
* Note: should not call this if rpcmem is linked from libadsprpc.so
|
|
* /libcdsprpc.so/libmdsprpc.so/libsdsprpc.so
|
|
*/
|
|
void rpcmem_deinit(void);
|
|
|
|
/**
|
|
* Allocate via ION a buffer of size
|
|
* @heapid, the heap id to use
|
|
* @flags, ion flags to use to when allocating
|
|
* @size, the buffer size to allocate
|
|
* @retval, 0 on failure, pointer to buffer on success
|
|
*
|
|
* For example:
|
|
* buf = rpcmem_alloc(RPCMEM_DEFAULT_HEAP, RPCMEM_DEFAULT_FLAGS, size);
|
|
*/
|
|
|
|
void* rpcmem_alloc(int heapid, uint32 flags, int size);
|
|
|
|
/**
|
|
* allocate with default settings
|
|
*/
|
|
#if !defined(WINNT) && !defined (_WIN32_WINNT)
|
|
__attribute__((unused))
|
|
#endif
|
|
static __inline void* rpcmem_alloc_def(int size) {
|
|
return rpcmem_alloc(RPCMEM_DEFAULT_HEAP, RPCMEM_DEFAULT_FLAGS, size);
|
|
}
|
|
|
|
/**
|
|
* free buffer, ignores invalid buffers
|
|
*/
|
|
void rpcmem_free(void* po);
|
|
|
|
/**
|
|
* returns associated fd
|
|
*/
|
|
int rpcmem_to_fd(void* po);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#define RPCMEM_HEAP_DEFAULT 0x80000000
|
|
#define RPCMEM_HEAP_NOREG 0x40000000
|
|
#define RPCMEM_HEAP_UNCACHED 0x20000000
|
|
#define RPCMEM_HEAP_NOVA 0x10000000
|
|
#define RPCMEM_HEAP_NONCOHERENT 0x08000000
|
|
|
|
#endif //RPCMEM_H
|