Int IpcResource_request(IpcResource_Handle handle,
IpcResource_ResHandle *resHandle,
IpcResource_Type type, Void *resParams)
{
Char msg[MAXMSGSIZE];
IpcResource_Req *req = (Void *)msg;
IpcResource_Ack *ack = (Void *)msg;
UInt16 hlen = sizeof(*req);
UInt16 alen = sizeof(*ack);
UInt16 rlen = IpcResource_resLen(type);
UInt16 len;
UInt32 remote;
Int status;
if (!handle || !resHandle) {
System_printf("IpcResource_request: Invalid paramaters\n");
return IpcResource_E_INVALARGS;
}
if (rlen && !resParams) {
System_printf("IpcResource_request: resource type %d "
"needs parameters\n", type);
return IpcResource_E_INVALARGS;
}
req->resType = type;
req->reqType = IpcResource_REQ_TYPE_ALLOC;
memcpy(req->resParams, resParams, rlen);
status = MessageQCopy_send(MultiProc_getId("HOST"), IpcResource_server,
handle->endPoint, req, hlen + rlen);
if (status) {
System_printf("IpcResource_request: MessageQCopy_send "
"failed status %d\n", status);
status = IpcResource_E_FAIL;
goto end;
}
status = MessageQCopy_recv(handle->msgq, ack, &len, &remote,
handle->timeout);
if (status) {
System_printf("IpcResource_request: MessageQCopy_recv "
"failed status %d\n", status);
status = (status == MessageQCopy_E_TIMEOUT) ? IpcResource_E_TIMEOUT :
IpcResource_E_FAIL;
goto end;
}
status = _IpcResource_translateError(ack->status);
if (status) {
System_printf("IpcResource_request: error from Host "
"failed status %d\n", status);
goto end;
}
Assert_isTrue(len == (rlen + alen), NULL);
*resHandle = ack->resHandle;
memcpy(resParams, ack->resParams, rlen);
end:
return status;
}
Int IpcResource_request(IpcResource_Handle handle,
IpcResource_ResHandle *resHandle,
IpcResource_Type type, Void *resParams)
{
Char msg[MAXMSGSIZE];
IpcResource_Req *req = (Void *)msg;
IpcResource_AllocData *rdata = (Void *)req->data;
IpcResource_Ack *ack = (Void *)msg;
IpcResource_AckData *adata = (Void *)ack->data;
UInt16 hlen = sizeof(*rdata) + sizeof(*req);
UInt16 alen = sizeof(*ack);
UInt16 rlen = IpcResource_resLen(type);
UInt16 len;
UInt32 remote;
Int status;
Char *name;
IpcResource_Processor rproc;
if (!handle || !resHandle) {
System_printf("IpcResource_request: Invalid paramaters\n");
return IpcResource_E_INVALARGS;
}
name = IpcResource_toName(type);
if (!name) {
System_printf("IpcResource_request: resource type %d "
"is invalid\n", type);
return IpcResource_E_INVALARGS;
}
if (rlen && !resParams) {
System_printf("IpcResource_request: resource type %d "
"needs parameters\n", type);
return IpcResource_E_INVALARGS;
}
strncpy(rdata->resName, name, 16);
req->reqType = IpcResource_ReqType_ALLOC;
switch(type) {
case IpcResource_TYPE_IPU:
case IpcResource_TYPE_DSP:
strcpy(rproc.name, rdata->resName);
strncpy(rdata->resName, "rproc", 16);
resParams = &rproc;
rlen = sizeof(rproc);
break;
default:
break;
}
memcpy(rdata->resParams, resParams, rlen);
Semaphore_pend(handle->sem, BIOS_WAIT_FOREVER);
status = MessageQCopy_send(MultiProc_getId("HOST"), handle->remote,
handle->endPoint, req, hlen + rlen);
if (status) {
Semaphore_post(handle->sem);
System_printf("IpcResource_request: MessageQCopy_send "
"failed status %d\n", status);
status = IpcResource_E_FAIL;
goto end;
}
status = MessageQCopy_recv(handle->msgq, ack, &len, &remote,
handle->timeout);
Semaphore_post(handle->sem);
if (status) {
System_printf("IpcResource_request: MessageQCopy_recv "
"failed status %d\n", status);
status = (status == MessageQCopy_E_TIMEOUT) ? IpcResource_E_TIMEOUT :
IpcResource_E_FAIL;
goto end;
}
if (remote != handle->remote) {
System_printf("IpcResource_request: MessageQCopy_recv "
"invalid message source %d, channel source %d\n",
remote, handle->remote);
status = IpcResource_E_FAIL;
goto end;
}
status = _IpcResource_translateError(ack->status);
if (status) {
System_printf("IpcResource_request: error from Host "
"failed status %d\n", status);
goto end;
}
Assert_isTrue(len == rlen + alen + sizeof(*adata), NULL);
*resHandle = adata->resHandle;
memcpy(resParams, adata->resParams, rlen);
end:
return status;
}
