/*
* ======== STRM_FreeBuffer ========
* Purpose:
* Frees the buffers allocated for a stream.
*/
DSP_STATUS STRM_FreeBuffer(struct STRM_OBJECT *hStrm, u8 **apBuffer,
u32 uNumBufs, struct PROCESS_CONTEXT *pr_ctxt)
{
DSP_STATUS status = DSP_SOK;
u32 i = 0;
HANDLE hSTRMRes = NULL;
DBC_Require(cRefs > 0);
DBC_Require(apBuffer != NULL);
for (i = 0; i < uNumBufs; i++) {
DBC_Assert(hStrm->hXlator != NULL);
status = CMM_XlatorFreeBuf(hStrm->hXlator, apBuffer[i]);
if (DSP_FAILED(status))
break;
apBuffer[i] = NULL;
}
if (DSP_SUCCEEDED(status)) {
if (DRV_GetSTRMResElement(hStrm, hSTRMRes, pr_ctxt) !=
DSP_ENOTFOUND)
DRV_ProcUpdateSTRMRes(uNumBufs-i, hSTRMRes);
}
return status;
}
/*
* ======== STRM_FreeBuffer ========
* Purpose:
* Frees the buffers allocated for a stream.
*/
DSP_STATUS STRM_FreeBuffer(struct STRM_OBJECT *hStrm, u8 **apBuffer,
u32 uNumBufs)
{
DSP_STATUS status = DSP_SOK;
u32 i = 0;
#ifndef RES_CLEANUP_DISABLE
DSP_STATUS res_status = DSP_SOK;
u32 hProcess;
HANDLE pCtxt = NULL;
HANDLE hDrvObject;
HANDLE hSTRMRes = NULL;
#endif
DBC_Require(cRefs > 0);
DBC_Require(apBuffer != NULL);
GT_3trace(STRM_debugMask, GT_ENTER, "STRM_FreeBuffer: hStrm: 0x%x\t"
"apBuffer: 0x%x\tuNumBufs: 0x%x\n", hStrm, apBuffer, uNumBufs);
if (!MEM_IsValidHandle(hStrm, STRM_SIGNATURE))
status = DSP_EHANDLE;
if (DSP_SUCCEEDED(status)) {
for (i = 0; i < uNumBufs; i++) {
DBC_Assert(hStrm->hXlator != NULL);
status = CMM_XlatorFreeBuf(hStrm->hXlator, apBuffer[i]);
if (DSP_FAILED(status)) {
GT_0trace(STRM_debugMask, GT_7CLASS,
"STRM_FreeBuffer: DSP_FAILED"
" to free shared memory.\n");
break;
}
apBuffer[i] = NULL;
}
}
#ifndef RES_CLEANUP_DISABLE
/* Update the node and stream resource status */
/* Return PID instead of process handle */
hProcess = current->pid;
res_status = CFG_GetObject((u32 *)&hDrvObject, REG_DRV_OBJECT);
if (DSP_SUCCEEDED(res_status)) {
DRV_GetProcContext(hProcess,
(struct DRV_OBJECT *)hDrvObject, &pCtxt,
NULL, 0);
if (pCtxt != NULL) {
if (DRV_GetSTRMResElement(hStrm, hSTRMRes, pCtxt) !=
DSP_ENOTFOUND) {
DRV_ProcUpdateSTRMRes(uNumBufs-i, hSTRMRes,
pCtxt);
}
}
}
#endif
return status;
}