/*!
******************************************************************************
@Function POOL_PoolSetFreeCallback
******************************************************************************/
IMG_RESULT POOL_PoolSetFreeCallback(
IMG_HANDLE hPoolHandle,
POOL_pfnFree pfnFree
)
{
POOL_sResPool * psResPool = hPoolHandle;
POOL_sResource * psResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResPool != IMG_NULL);
if (!gInitialised ||
psResPool == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
psResPool->pfnFree = pfnFree;
/* If free callback set...*/
if (psResPool->pfnFree != IMG_NULL)
{
/* Move resources from free to active list...*/
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sFreeResList);
while (psResource != IMG_NULL)
{
/* Add to active list...*/
LST_add(&psResPool->sActResList, psResource);
psResource->ui32RefCnt++;
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Call the free callback...*/
psResPool->pfnFree(psResource->ui32ResId, psResource->pvParam);
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* Get next free resource...*/
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sFreeResList);
}
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function perflog_CleanFile
@Description
Truncates performance file to zero length.
@Input pFileHandler : file to be cleand
@Return IMG_SUCCESS in case when file has been cleand successfully,
error code otherwise
******************************************************************************/
static IMG_RESULT perflog_CleanFile(perflog_FileHandler *pFileHandler)
{
perflog_Buffer *psBuffer;
if(pFileHandler == IMG_NULL)
{
REPORT(REPORT_MODULE_PERFLOG, REPORT_ERR,
"Performance logger cannot clean file: invalid parameters");
return IMG_ERROR_INVALID_PARAMETERS;
}
SYSOSKM_LockMutex(pFileHandler->hMutexHandle);
//removes all buffers
psBuffer = LST_removeHead(&pFileHandler->sBufferList);
while(psBuffer)
{
perflog_DestroyBuffer(psBuffer);
psBuffer = LST_removeHead(&pFileHandler->sBufferList);
}
SYSOSKM_UnlockMutex(pFileHandler->hMutexHandle);
return IMG_SUCCESS;
}
/*!
******************************************************************************
@Function SYSDEVU_RegisterDevices
******************************************************************************/
IMG_RESULT SYSDEVU_RegisterDevice(
SYSDEVU_sInfo *psInfo
)
{
IMG_UINT32 ui32Result;
IMG_ASSERT(gSysDevInitialised);
/* Initialise parts of the device info structure...*/
psInfo->bDevLocated = IMG_FALSE;
psInfo->pvLocParam = IMG_NULL;
SYSOSKM_LockMutex(hNextDeviceIdMutex);
psInfo->ui32DeviceId = gui32NextDeviceId;
gui32NextDeviceId += 1;
SYSOSKM_UnlockMutex(hNextDeviceIdMutex);
/* Register the device with the device manager...*/
ui32Result = DMANKM_RegisterDevice(psInfo->sDevInfo.pszDeviceName, psInfo->sDevInfo.pfnDevRegister);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
return ui32Result;
}
/* Initialise the devices...*/
LST_add(&gsDevList, psInfo);
gui32NoDevices++;
/* Return success...*/
return IMG_SUCCESS;
}
/*!
******************************************************************************
@Function perflog_DeinitialiseFile
@Description
Deinitialises file.
@Input pFileHandler : file to be deinitialised
@Return IMG_SUCCESS in case when file has been deinitialised successfully,
error code otherwise
******************************************************************************/
static IMG_VOID perflog_DeinitialiseFile(
perflog_FileHandler *pFileHandler
)
{
if(pFileHandler == IMG_NULL)
{
REPORT(REPORT_MODULE_PERFLOG, REPORT_ERR,
"Performance logger cannot deinitialise file: invalid parameters");
return;
}
SYSOSKM_LockMutex(pFileHandler->hMutexHandle);
//removes file from debug filesystem...
debugfs_remove(pFileHandler->psFile);
//removes all internal structures
perflog_CleanFile(pFileHandler);
SYSOSKM_UnlockMutex(pFileHandler->hMutexHandle);
//and file mutex
SYSOSKM_DestroyMutex(pFileHandler->hMutexHandle);
}
/*!
******************************************************************************
@Function perflog_WriteFile
@Description
Writes to the file.
@Input pFileHandler : file where data will be written
@Input uiMsg : performance data
@Return IMG_SUCCESS in case when data has been written successfully,
error code otherwise
******************************************************************************/
static IMG_RESULT perflog_WriteFile(perflog_FileHandler *pFileHandler, IMG_UINT64 uiMsg)
{
perflog_Buffer *psBuffer;
if(pFileHandler == IMG_NULL)
{
REPORT(REPORT_MODULE_PERFLOG, REPORT_ERR,
"Performance logger cannot clean file: invalid parameters");
return IMG_ERROR_INVALID_PARAMETERS;
}
SYSOSKM_LockMutex(pFileHandler->hMutexHandle);
//search for buffer that has place to store perf data
psBuffer = LST_first(&pFileHandler->sBufferList);
while(psBuffer)
{
if(psBuffer->stIter < psBuffer->stBufferSize)
{
break;
}
psBuffer = LST_next(psBuffer);
}
//new buffer is needed
if(psBuffer == IMG_NULL)
{
IMG_RESULT result;
//create new buffer
if( (result = perflog_CreateBuffer(&psBuffer, ONE_BUFFER_SIZE)) != IMG_SUCCESS )
{
SYSOSKM_UnlockMutex(pFileHandler->hMutexHandle);
REPORT(REPORT_MODULE_PERFLOG, REPORT_ERR,
"Performance logger cannot allocate buffers");
return result;
}
//add buffer to a list
LST_add(&pFileHandler->sBufferList, psBuffer);
}
//write data
psBuffer->pui64Buffer[(psBuffer->stIter)++] = uiMsg;
SYSOSKM_UnlockMutex(pFileHandler->hMutexHandle);
return IMG_SUCCESS;
}
/*!
******************************************************************************
@Function rman_GetResource
******************************************************************************/
static IMG_VOID * rman_GetResource(
IMG_HANDLE hResBHandle,
IMG_UINT32 ui32ResId,
IMG_UINT32 ui32TypeId,
IMG_HANDLE * phResHandle
)
{
RMAN_sBucket * psBucket = (RMAN_sBucket *) hResBHandle;
RMAN_sResource * psResource;
IMG_RESULT i32Result;
IMG_ASSERT(ui32ResId <= RMAN_CRESID_MAX_RES_ID);
/* Loop over the resources in this bucket till we find the required id...*/
//SYSOSKM_DisableInt();
SYSOSKM_LockMutex(globalMutext);
i32Result = IDGEN_GetHandle(psBucket->hIdGenerator, ui32ResId, (void**)&psResource);
SYSOSKM_UnlockMutex(globalMutext);
//SYSOSKM_EnableInt();
if(i32Result != IMG_SUCCESS)
{
IMG_ASSERT(!"failed to get RMAN resource");
return IMG_NULL;
}
/* If the resource handle is required...*/
if (phResHandle != IMG_NULL)
{
/* Return it...*/
*phResHandle = psResource;
}
/* If the resource was not found...*/
IMG_ASSERT(psResource != IMG_NULL);
IMG_ASSERT((IMG_VOID*)psResource != &psBucket->sResList);
if ( (psResource == IMG_NULL) || ((IMG_VOID*)psResource == &psBucket->sResList) )
{
return IMG_NULL;
}
/* Cross check the type...*/
IMG_ASSERT(ui32TypeId == psResource->ui32TypeId);
/* Return the resource....*/
return psResource->pvParam;
}
static void *perflog_start(struct seq_file *s, loff_t *pos)
{
perflog_Buffer *psBuffer;
loff_t tmpPos = *pos;
//prevent from writing while one reads file
SYSOSKM_LockMutex(gsPerfFile.hMutexHandle);
//jump to appropriate buffer
psBuffer = LST_first(&gsPerfFile.sBufferList);
while(psBuffer && tmpPos > 0)
{
tmpPos--;
psBuffer = LST_next(psBuffer);
}
return psBuffer;
}
/*!
******************************************************************************
@Function POOL_ResDestroy1
******************************************************************************/
IMG_RESULT POOL_ResDestroy1(
IMG_HANDLE hPoolHandle,
IMG_UINT32 ui32ResId,
IMG_BOOL bForce
)
{
POOL_sResPool * psResPool = hPoolHandle;
IMG_UINT32 ui32Result;
IMG_HANDLE hPoolResHandle;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResPool != IMG_NULL);
if (!gInitialised ||
psResPool == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
ui32Result = IDGEN_GetHandle(psResPool->hIdGenHandle, ui32ResId, &hPoolResHandle);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
return ui32Result;
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Call on to destroy resource...*/
return POOL_ResDestroy(hPoolResHandle, bForce);
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function POOL_ResAlloc
******************************************************************************/
IMG_RESULT POOL_ResAlloc(
IMG_HANDLE hPoolHandle,
IMG_HANDLE hPoolResHandle
)
{
POOL_sResPool * psResPool = hPoolHandle;
POOL_sResource * psResource = hPoolResHandle;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResPool != IMG_NULL);
IMG_ASSERT(hPoolResHandle != IMG_NULL);
if (!gInitialised ||
psResPool == IMG_NULL ||
hPoolResHandle == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* Remove resource from free list...*/
LST_remove(&psResPool->sFreeResList, psResource);
/* Add to active list...*/
LST_add(&psResPool->sActResList, psResource);
psResource->ui32RefCnt++;
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function DMANKM_LockDeviceContext
******************************************************************************/
IMG_VOID DMANKM_LockDeviceContext(
IMG_HANDLE hDevHandle)
{
/* Take mutex */
SYSOSKM_LockMutex(((DMANKM_sDevContext *) hDevHandle)->hMutexHandle);
}
/*!
******************************************************************************
@Function POOL_ResClone
******************************************************************************/
IMG_RESULT POOL_ResClone(
IMG_HANDLE hPoolResHandle,
IMG_HANDLE * phClonePoolResHandle,
IMG_VOID ** ppvParam
)
{
POOL_sResource * psResource = hPoolResHandle;
POOL_sResPool * psResPool;
POOL_sResource * psOrigResource = psResource;
POOL_sResource * psCloneResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResource != IMG_NULL);
if (!gInitialised ||
psResource == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Allocate a resource structure...*/
psCloneResource = IMG_MALLOC(sizeof(*psCloneResource));
IMG_ASSERT(psCloneResource != IMG_NULL);
if (psCloneResource == IMG_NULL)
{
return IMG_ERROR_OUT_OF_MEMORY;
}
IMG_MEMSET(psCloneResource, 0, sizeof(*psCloneResource));
psResPool = psResource->psResPool;
IMG_ASSERT(psResPool != IMG_NULL);
if(psResPool == IMG_NULL)
{
return IMG_ERROR_FATAL;
}
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* Set resource id...*/
ui32Result = IDGEN_AllocId(psResPool->hIdGenHandle, (IMG_HANDLE)psCloneResource, &psCloneResource->ui32ResId);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
goto error_alloc_id;
}
/* If this is a clone, set the original...*/
if (psResource->bIsClone)
{
psOrigResource = psResource->psOrigResource;
}
IMG_ASSERT(psOrigResource->ui32RefCnt > 0);
/* Setup the cloned resource...*/
psCloneResource->bIsClone = IMG_TRUE;
psCloneResource->psResPool = psResPool;
psCloneResource->psOrigResource = psOrigResource;
/* Add to clone list...*/
LST_add(&psOrigResource->sCloneResList, psCloneResource);
psOrigResource->ui32RefCnt++;
/* If ppvParam is not IMG_NULL...*/
if (ppvParam !=IMG_NULL)
{
/* If the size of the original vParam is 0...*/
if (psOrigResource->ui32SizevParam == 0)
{
*ppvParam = IMG_NULL;
}
else
{
/* Allocate memory for a copy of the original vParam...*/
*ppvParam = IMG_MALLOC(psOrigResource->ui32SizevParam);
IMG_ASSERT(*ppvParam != IMG_NULL);
if (*ppvParam == IMG_NULL)
{
ui32Result = IMG_ERROR_OUT_OF_MEMORY;
goto error_copy_param;
}
IMG_MEMCPY(*ppvParam, psOrigResource->pvParam, psOrigResource->ui32SizevParam);
}
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return the cloned resource...*/
*phClonePoolResHandle = psCloneResource;
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
/* Error handling. */
error_copy_param:
LST_remove(&psOrigResource->sCloneResList, psCloneResource);
psOrigResource->ui32RefCnt--;
error_alloc_id:
IMG_FREE(psCloneResource);
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function POOL_ResFree
******************************************************************************/
IMG_RESULT POOL_ResFree(
IMG_HANDLE hPoolResHandle
)
{
POOL_sResource * psResource = hPoolResHandle;
POOL_sResPool * psResPool;
POOL_sResource * psOrigResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResource != IMG_NULL);
if (!gInitialised ||
psResource == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
psResPool = psResource->psResPool;
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* If this is a clone...*/
if (psResource->bIsClone)
{
/* Get access to the original...*/
psOrigResource = psResource->psOrigResource;
IMG_ASSERT(psOrigResource != IMG_NULL);
IMG_ASSERT(!psOrigResource->bIsClone);
/* Remove from the clone list...*/
LST_remove(&psOrigResource->sCloneResList, psResource);
/* Free resource id...*/
ui32Result = IDGEN_FreeId(psResPool->hIdGenHandle, psResource->ui32ResId);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
return ui32Result;
}
/* If we created a copy of the resources pvParam then free it...*/
if (psResource->pvParam != IMG_NULL)
{
IMG_FREE(psResource->pvParam );
}
/* Free the clone resource structure...*/
IMG_FREE(psResource);
/* Set resource to be "freed" to the original...*/
psResource = psOrigResource;
}
/* Update the reference count...*/
IMG_ASSERT(psResource->ui32RefCnt != 0);
psResource->ui32RefCnt--;
/* If there are still outstanding references...*/
if (psResource->ui32RefCnt != 0)
{
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
}
/* Remove the resource from the active list...*/
LST_remove(&psResPool->sActResList, psResource);
/* If free callback set...*/
if (psResPool->pfnFree != IMG_NULL)
{
/* Add to active list...*/
LST_add(&psResPool->sActResList, psResource);
psResource->ui32RefCnt++;
}
else
{
/* Add to free list...*/
LST_add(&psResPool->sFreeResList, psResource);
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* If free callback set...*/
if (psResPool->pfnFree != IMG_NULL)
{
/* Call the free callback...*/
psResPool->pfnFree(psResource->ui32ResId, psResource->pvParam);
}
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function POOL_ResDestroy
******************************************************************************/
IMG_RESULT POOL_ResDestroy(
IMG_HANDLE hPoolResHandle,
IMG_BOOL bForce
)
{
POOL_sResource * psResource = hPoolResHandle;
POOL_sResPool * psResPool;
POOL_sResource * psOrigResource;
POOL_sResource * psCloneResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResource != IMG_NULL);
if (!gInitialised ||
psResource == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
psResPool = psResource->psResPool;
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* If this is a clone...*/
if (psResource->bIsClone)
{
IMG_ASSERT(0); // We need to check this works.
/* Get access to the original...*/
psOrigResource = psResource->psOrigResource;
IMG_ASSERT(psOrigResource != IMG_NULL);
if (psOrigResource == IMG_NULL)
{
ui32Result = IMG_ERROR_UNEXPECTED_STATE;
goto error;
}
IMG_ASSERT(!psOrigResource->bIsClone);
if (psOrigResource->bIsClone)
{
ui32Result = IMG_ERROR_UNEXPECTED_STATE;
goto error;
}
/* Remove from the clone list...*/
LST_remove(&psOrigResource->sCloneResList, psResource);
/* Free resource id...*/
ui32Result = IDGEN_FreeId(psResPool->hIdGenHandle, psResource->ui32ResId);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
return ui32Result;
}
/* If we created a copy of the resources pvParam then free it...*/
if (psResource->pvParam != IMG_NULL)
{
IMG_FREE(psResource->pvParam );
}
/* Free the clone resource structure...*/
IMG_FREE(psResource);
/* Set resource to be "freed" to the original...*/
psResource = psOrigResource;
}
/* If there are still outstanding references...*/
if ( (!bForce) && (psResource->ui32RefCnt != 0) )
{
IMG_ASSERT(0); // We may need to mark the resource and destroy it when
// there are no outstanding references
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
}
/* Check clone list is empty...*/
psCloneResource = LST_first(&psResource->sCloneResList);
IMG_ASSERT(psCloneResource == IMG_NULL);
/* Has the resource outstanding references...*/
if (psResource->ui32RefCnt != 0)
{
/* Remove the resource from the active list...*/
LST_remove(&psResPool->sActResList, psResource);
}
else
{
/* Remove the resource from the free list...*/
LST_remove(&psResPool->sFreeResList, psResource);
}
/* Free resource id...*/
ui32Result = IDGEN_FreeId(psResPool->hIdGenHandle, psResource->ui32ResId);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
return ui32Result;
}
/* Call the resource destructor...*/
psResource->pfnDestructor(psResource->pvParam);
IMG_FREE(psResource);
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
error:
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function POOL_ResRegister
******************************************************************************/
IMG_RESULT POOL_ResRegister(
IMG_HANDLE hPoolHandle,
POOL_pfnDestructor pfnDestructor,
IMG_VOID * pvParam,
IMG_UINT32 ui32SizevParam,
IMG_BOOL bAlloc,
IMG_UINT32 * pui32ResId,
IMG_HANDLE * phPoolResHandle
)
{
POOL_sResPool * psResPool = hPoolHandle;
POOL_sResource * psResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResPool != IMG_NULL);
if (!gInitialised ||
psResPool == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Allocate a resource structure...*/
psResource = IMG_MALLOC(sizeof(*psResource));
IMG_ASSERT(psResource != IMG_NULL);
if (psResource == IMG_NULL)
{
return IMG_ERROR_OUT_OF_MEMORY;
}
IMG_MEMSET(psResource, 0, sizeof(*psResource));
/* Setup the resource...*/
psResource->pfnDestructor = pfnDestructor;
psResource->pvParam = pvParam;
psResource->ui32SizevParam = ui32SizevParam;
psResource->psResPool = psResPool;
LST_init(&psResource->sCloneResList);
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* Set resource id...*/
ui32Result = IDGEN_AllocId(psResPool->hIdGenHandle, (IMG_HANDLE)psResource, &psResource->ui32ResId);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
if (ui32Result != IMG_SUCCESS)
{
IMG_FREE(psResource);
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
return ui32Result;
}
/* If allocated or free callback not set...*/
if ( (bAlloc) || (psResPool->pfnFree != IMG_NULL) )
{
/* Add to active list...*/
LST_add(&psResPool->sActResList, psResource);
psResource->ui32RefCnt++;
}
else
{
/* Add to free list...*/
LST_add(&psResPool->sFreeResList, psResource);
}
/* Return the resource id...*/
if (pui32ResId != IMG_NULL)
{
*pui32ResId = psResource->ui32ResId;
}
/* Return the handle to the resource...*/
if (phPoolResHandle != IMG_NULL)
{
*phPoolResHandle = psResource;
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* If free callback set...*/
if (psResPool->pfnFree != IMG_NULL)
{
/* Call the free callback...*/
psResPool->pfnFree(psResource->ui32ResId, psResource->pvParam);
}
/* Return IMG_SUCCESS...*/
return IMG_SUCCESS;
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function POOL_PoolDestroy
******************************************************************************/
IMG_RESULT POOL_PoolDestroy(
IMG_HANDLE hPoolHandle
)
{
POOL_sResPool * psResPool = hPoolHandle;
POOL_sResource * psResource;
POOL_sResource * psCloneResource;
IMG_UINT32 ui32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(psResPool != IMG_NULL);
if (!gInitialised ||
psResPool == IMG_NULL)
{
ui32Result = IMG_ERROR_INVALID_PARAMETERS;
goto error_nolock;
}
/* Lock the pool...*/
SYSOSKM_LockMutex(psResPool->hMutexHandle);
/* Disable interrupts. */
SYSOSKM_DisableInt();
/* Remove the pool from the active list...*/
LST_remove(&gsPoolList, psResPool);
/* Enable interrupts. */
SYSOSKM_EnableInt();
/* Destroy any resources in the free list...*/
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sFreeResList);
while (psResource != IMG_NULL)
{
psResource->pfnDestructor(psResource->pvParam);
IMG_FREE(psResource);
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sFreeResList);
}
/* Destroy any resources in the active list...*/
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sActResList);
while (psResource != IMG_NULL)
{
psCloneResource = (POOL_sResource *)LST_removeHead(&psResource->sCloneResList);
while (psCloneResource != IMG_NULL)
{
/* If we created a copy of the resources pvParam then free it...*/
if (psCloneResource->pvParam != IMG_NULL)
{
IMG_FREE(psCloneResource->pvParam );
}
IMG_FREE(psCloneResource);
psCloneResource = (POOL_sResource *)LST_removeHead(&psResource->sCloneResList);
}
/* Call the resource destructor...*/
psResource->pfnDestructor(psResource->pvParam);
IMG_FREE(psResource);
psResource = (POOL_sResource *)LST_removeHead(&psResPool->sActResList);
}
/* Destroy the context for the Id generator...*/
if (psResPool->hIdGenHandle != IMG_NULL)
{
ui32Result = IDGEN_DestroyContext(psResPool->hIdGenHandle);
IMG_ASSERT(ui32Result == IMG_SUCCESS);
}
/* Unlock the pool...*/
SYSOSKM_UnlockMutex(psResPool->hMutexHandle);
/* Destroy mutex...*/
SYSOSKM_DestroyMutex(psResPool->hMutexHandle);
/* Free the pool structure */
IMG_FREE(psResPool);
return IMG_SUCCESS;
error_nolock:
return ui32Result;
}
/*!
******************************************************************************
@Function RMAN_RegisterResource
******************************************************************************/
IMG_RESULT RMAN_RegisterResource(
IMG_HANDLE hResBHandle,
IMG_UINT32 ui32TypeId,
RMAN_pfnFree pfnFree,
IMG_VOID * pvParam,
IMG_HANDLE * phResHandle,
IMG_UINT32 * pui32ResId
)
{
RMAN_sBucket * psBucket = (RMAN_sBucket *) hResBHandle;
RMAN_sResource * psResource;
IMG_RESULT i32Result;
IMG_ASSERT(gInitialised);
IMG_ASSERT(ui32TypeId != RMAN_ALL_TYPES);
IMG_ASSERT(hResBHandle != IMG_NULL);
if (hResBHandle == IMG_NULL)
{
return IMG_ERROR_GENERIC_FAILURE;
}
/* Allocate a resource structure...*/
psResource = IMG_MALLOC(sizeof(*psResource));
IMG_ASSERT(psResource != IMG_NULL);
if (psResource == IMG_NULL)
{
return IMG_ERROR_OUT_OF_MEMORY;
}
IMG_MEMSET(psResource, 0, sizeof(*psResource));
/* Fill in the resource structure...*/
psResource->psBucket = psBucket;
psResource->ui32TypeId = ui32TypeId;
psResource->pfnFree = pfnFree;
psResource->pvParam = pvParam;
/* Allocate resource Id...*/
SYSOSKM_LockMutex(globalMutext);
i32Result = IDGEN_AllocId(psBucket->hIdGenerator, psResource, &psResource->ui32ResId);
SYSOSKM_UnlockMutex(globalMutext);
if(i32Result != IMG_SUCCESS)
{
IMG_ASSERT(!"failed to allocate RMAN id");
return i32Result;
}
IMG_ASSERT(psResource->ui32ResId <= RMAN_CRESID_MAX_RES_ID);
// add this resource to the bucket
SYSOSKM_DisableInt();
DQ_addTail(&psBucket->sResList, psResource);
/* Update count of resources...*/
psBucket->ui32ResCnt++;
SYSOSKM_EnableInt();
/* If resource handle required...*/
if (phResHandle != IMG_NULL)
{
*phResHandle = psResource;
}
/* If resource id required...*/
if (pui32ResId != IMG_NULL)
{
*pui32ResId = RMAN_GetResourceId(psResource);
}
/* Return success...*/
return IMG_SUCCESS;
}
