/**
* Initialize the coherent fabric.
*
* Perform discovery and initialization of the coherent fabric, for builds including
* support for multiple coherent nodes.
*
* @param[in] State global state
*/
VOID
STATIC
CoherentInit (
IN OUT STATE_DATA *State
)
{
UINT8 i;
UINT8 j;
UINT8 ModuleType;
UINT8 Module;
UINT8 HardwareSocket;
COHERENT_FABRIC Fabric;
// Because Node 0, the BSP, is not discovered, initialize info about it specially here.
// Allocate Socket Die Map.
// While the BSP is always capable of being the only processor in the system, call the
// IsExceededCapable method to make sure the BSP's capability is included in the aggregate system
// capability. We don't care to check the return value.
//
State->Fabric = &Fabric;
State->NodesDiscovered = 0;
State->TotalLinks = 0;
State->SysMpCap = MAX_NODES;
State->Nb->IsExceededCapable (0, State, State->Nb);
HardwareSocket = State->Nb->GetSocket (0, 0, State->Nb);
ModuleType = 0;
Module = 0;
State->Nb->GetModuleInfo (0, &ModuleType, &Module, State->Nb);
// No predecessor info for BSP, so pass 0xFF for those parameters.
State->HtInterface->SetNodeToSocketMap (0xFF, 0xFF, 0xFF, 0, HardwareSocket, Module, State);
// Initialize system state data structures
for (i = 0; i < MAX_NODES; i++) {
State->Fabric->SysDegree[i] = 0;
for (j = 0; j < MAX_NODES; j++) {
State->Fabric->SysMatrix[i][j] = 0;
}
}
//
// Call the coherent init features
//
// Discovery
State->HtFeatures->CoherentDiscovery (State);
State->HtInterface->PostMapToAp (State);
// Topology matching and Routing
AGESA_TESTPOINT (TpProcHtTopology, State->ConfigHandle);
State->HtFeatures->LookupComputeAndLoadRoutingTables (State);
State->HtFeatures->MakeHopCountTable (State);
// UpdateCoreRanges requires the other maps to be initialized, and the node count set.
FinalizeCoherentInit (State);
UpdateCoreRanges (State);
State->Fabric = NULL;
}
/**
* Initialize the Node and Socket maps for an AP Core.
*
* In each core's local heap, create a Node to Socket map and a Socket/Module to Node map.
*
* @param[in] State global state, input data
*
*/
VOID
STATIC
InitApMaps (
IN STATE_DATA *State
)
{
// There is no option to not have socket - node maps, if they aren't allocated that is a fatal bug.
ASSERT (State->SocketDieToNodeMap != NULL);
ASSERT (State->NodeToSocketDieMap != NULL);
(*State->SocketDieToNodeMap)[0][0].Node = 0;
(*State->NodeToSocketDieMap)[0].Socket = 0;
(*State->NodeToSocketDieMap)[0].Die = 0;
// This requires the other maps to be initialized.
UpdateCoreRanges (State);
}
/**
* Initialize the coherent fabric.
*
* Create the topology map of the coherent fabric.
*
* @param[in,out] State global state
*/
VOID
STATIC
CoherentInit (
IN OUT STATE_DATA *State
)
{
// Because Node 0, the BSP, is not discovered, initialize info about it specially here.
// Set Socket Die Map for the BSP.
// There is no option to not have socket - node maps, if they aren't allocated that is a fatal bug.
ASSERT (State->SocketDieToNodeMap != NULL);
ASSERT (State->NodeToSocketDieMap != NULL);
(*State->SocketDieToNodeMap)[0][0].Node = 0;
(*State->NodeToSocketDieMap)[0].Socket = 0;
(*State->NodeToSocketDieMap)[0].Die = 0;
// UpdateCoreRanges requires the other maps to be initialized, and the node count set.
FinalizeCoherentInit (State);
UpdateCoreRanges (State);
}
/**
* Initialize the Node and Socket maps for an AP Core.
*
* In each core's local heap, create a Node to Socket map and a Socket/Module to Node map.
* The mapping is filled in by reading the AP Mailboxes from PCI config on each node.
*
* @param[in] State global state, input data
*
*/
VOID
STATIC
InitApMaps (
IN STATE_DATA *State
)
{
UINT8 Node;
AP_MAIL_INFO NodeApMailBox;
// There is no option to not have socket - node maps, if they aren't allocated that is a fatal bug.
ASSERT (State->SocketDieToNodeMap != NULL);
ASSERT (State->NodeToSocketDieMap != NULL);
for (Node = 0; Node < State->Nb->GetNodeCount (State->Nb); Node++) {
NodeApMailBox = State->Nb->RetrieveMailbox (Node, State->Nb);
(*State->SocketDieToNodeMap)[NodeApMailBox.Fields.Socket][NodeApMailBox.Fields.Module].Node = Node;
(*State->NodeToSocketDieMap)[Node].Socket = (UINT8)NodeApMailBox.Fields.Socket;
(*State->NodeToSocketDieMap)[Node].Die = (UINT8)NodeApMailBox.Fields.Module;
}
// This requires the other maps to be initialized.
UpdateCoreRanges (State);
}