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/*
* Copyright (c) 2014, Texas Instruments Incorporated
* 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 Texas Instruments Incorporated 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE 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.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <pthread.h>
#include <ti/ipc/mm/MmRpc.h>
#include "dce_priv.h"
#include "libdce.h"
#include "dce_rpc.h"
#include "memplugin.h"
extern MmRpc_Handle MmRpcHandle[];
extern pthread_mutex_t ipc_mutex;
int is_ipc_ready = 0;
int dce_buf_lock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
pthread_mutex_lock(&ipc_mutex);
if (!is_ipc_ready) {
if (dce_ipc_init(IPU) != MEM_EOK) {
pthread_mutex_unlock(&ipc_mutex);
return DCE_EIPC_CALL_FAIL;
}
is_ipc_ready = 0x1234;
}
_ASSERT(num > 0, DCE_EINVALID_INPUT);
desc = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_use(MmRpcHandle[IPU], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
pthread_mutex_unlock(&ipc_mutex);
return (eError);
}
int dce_buf_unlock(int num, size_t *handle)
{
int i;
MmRpc_BufDesc *desc = NULL;
dce_error_status eError = DCE_EOK;
pthread_mutex_lock(&ipc_mutex);
_ASSERT(num > 0, DCE_EINVALID_INPUT);
desc = malloc(num * sizeof(MmRpc_BufDesc));
_ASSERT(desc != NULL, DCE_EOUT_OF_MEMORY);
for( i = 0; i < num; i++ ) {
desc[i].handle = handle[i];
}
eError = MmRpc_release(MmRpcHandle[IPU], MmRpc_BufType_Handle, num, desc);
_ASSERT(eError == DCE_EOK, DCE_EIPC_CALL_FAIL);
EXIT:
if( desc ) {
free(desc);
}
pthread_mutex_unlock(&ipc_mutex);
return (eError);
}
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