HRESULT MV_CC_CBufBody_Create(UINT32 *pSHMOffset,
UINT32 BufSize,
UINT32 EndBlockSize,
UINT32 Flags)
{
pMV_CC_CBufBody_t pCBufBody;
UINT32 CBuf_FullSize, SHMOffset;
HRESULT res;
#ifdef ENABLE_DEBUG_OSAL
//Fill the end padding
UINT32 buflen = BufSize;
#endif
/* Parameter Check */
if (pSHMOffset == NULL)
MV_CC_DBG_Error(E_INVALIDARG, "MV_CC_CBufBody_Create", NULL);
CBuf_FullSize = sizeof(MV_CC_CBufBody_t) + BufSize;
/* Check Flag->MV_CC_CBUF_FLAGS_ALIGNMENT */
if ((MV_CC_FlagGet(Flags, MV_CC_CBUF_FLAGS_ALIGNMENT)) \
== MV_CC_CBUF_FLAGS_ALIGNMENT_Yes)
CBuf_FullSize += MV_CC_HAL_MEMBOUNDARY;
/* If EndBlockSize == 0, no End Block for the MV_CC_CBufBody_t
and no limitation to the Block Operation */
if (EndBlockSize != 0)
CBuf_FullSize += EndBlockSize;
//Cbuf use cacheable memory in kernel driver, then use related virt addr
SHMOffset = MV_SHM_Malloc(CBuf_FullSize, MV_CC_HAL_MEMBOUNDARY);
if (SHMOffset == ERROR_SHM_MALLOC_FAILED) {
*pSHMOffset = ERROR_SHM_MALLOC_FAILED;
res = E_OUTOFMEMORY;
MV_CC_DBG_Error(res, "MV_CC_CBufBody_Create MV_SHM_Malloc", NULL);
return res;
}
MV_SHM_Takeover(SHMOffset);
pCBufBody = (pMV_CC_CBufBody_t)MV_SHM_GetCacheVirtAddr(SHMOffset);
if (pCBufBody == NULL) {
MV_CC_DBG_Error(E_INVALIDARG, "MV_CC_CBufBody_Create", NULL);
}
GaloisMemClear((void *)pCBufBody, CBuf_FullSize);
pCBufBody->m_StartOffset = sizeof(MV_CC_CBufBody_t);
if ((MV_CC_FlagGet(Flags, MV_CC_CBUF_FLAGS_ALIGNMENT))
== MV_CC_CBUF_FLAGS_ALIGNMENT_Yes) {
pCBufBody->m_StartOffset += MV_CC_HAL_MEMBOUNDARY -
(((UINT32)pCBufBody + pCBufBody->m_StartOffset)
% MV_CC_HAL_MEMBOUNDARY );
}
//Fill the padding with 0xFF for debug easily
#ifdef ENABLE_DEBUG_OSAL
//Fill the front padding
GaloisMemSet((void *)((UCHAR *)pCBufBody +
sizeof(MV_CC_CBufBody_t)), 0xFF,
(pCBufBody->m_StartOffset -
sizeof(MV_CC_CBufBody_t)) );
if ( EndBlockSize != 0 )
buflen += EndBlockSize;
GaloisMemSet((void *)((UCHAR *)pCBufBody +
pCBufBody->m_StartOffset + buflen),
0xFF, CBuf_FullSize - pCBufBody->m_StartOffset
- buflen);
#endif
pCBufBody->m_BufSize = BufSize;
pCBufBody->m_EndBlockSize = EndBlockSize;
pCBufBody->m_Flags = Flags;
*pSHMOffset = SHMOffset;
MV_CC_DBG_Info("DSS MV_CC_CBufBody_Create"
" SHM Offset = [0x%08X]",SHMOffset);
return S_OK;
}
HRESULT MV_SHM_CleanAndInvalidateCache(size_t Offset, size_t Size)
{
return MV_SHM_CleanAndInvalidateCache_Base(&shm_cache,
(size_t)MV_SHM_GetCacheVirtAddr(Offset),
(size_t)MV_SHM_GetCachePhysAddr(Offset), Size);
}
