diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c index 40d02354eb..17c864029b 100644 --- a/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c +++ b/IntelFrameworkModulePkg/Bus/Pci/PciBusDxe/PciResourceSupport.c @@ -544,6 +544,94 @@ GetResourceFromDevice ( }
//
+ // Add VF resource
+ //
+ for (Index = 0; Index < PCI_MAX_BAR; Index++) {
+
+ switch ((PciDev->VfPciBar)[Index].BarType) {
+
+ case PciBarTypeMem32:
+
+ Node = CreateVfResourceNode (
+ PciDev,
+ (PciDev->VfPciBar)[Index].Length,
+ (PciDev->VfPciBar)[Index].Alignment,
+ Index,
+ PciBarTypeMem32,
+ PciResUsageTypical
+ );
+
+ InsertResourceNode (
+ Mem32Node,
+ Node
+ );
+
+ break;
+
+ case PciBarTypeMem64:
+
+ Node = CreateVfResourceNode (
+ PciDev,
+ (PciDev->VfPciBar)[Index].Length,
+ (PciDev->VfPciBar)[Index].Alignment,
+ Index,
+ PciBarTypeMem64,
+ PciResUsageTypical
+ );
+
+ InsertResourceNode (
+ Mem64Node,
+ Node
+ );
+
+ break;
+
+ case PciBarTypePMem64:
+
+ Node = CreateVfResourceNode (
+ PciDev,
+ (PciDev->VfPciBar)[Index].Length,
+ (PciDev->VfPciBar)[Index].Alignment,
+ Index,
+ PciBarTypePMem64,
+ PciResUsageTypical
+ );
+
+ InsertResourceNode (
+ PMem64Node,
+ Node
+ );
+
+ break;
+
+ case PciBarTypePMem32:
+
+ Node = CreateVfResourceNode (
+ PciDev,
+ (PciDev->VfPciBar)[Index].Length,
+ (PciDev->VfPciBar)[Index].Alignment,
+ Index,
+ PciBarTypePMem32,
+ PciResUsageTypical
+ );
+
+ InsertResourceNode (
+ PMem32Node,
+ Node
+ );
+ break;
+
+ case PciBarTypeIo16:
+ case PciBarTypeIo32:
+ break;
+
+ case PciBarTypeUnknown:
+ break;
+
+ default:
+ break;
+ }
+ }
// If there is no resource requested from this device,
// then we indicate this device has been allocated naturally.
//
@@ -600,6 +688,53 @@ CreateResourceNode ( }
/**
+ This function is used to create a IOV VF resource node.
+
+ @param PciDev Pci device instance.
+ @param Length Length of Io/Memory resource.
+ @param Alignment Alignment of resource.
+ @param Bar Bar index.
+ @param ResType Type of resource: IO/Memory.
+ @param ResUsage Resource usage.
+
+ @return PCI resource node created for given VF PCI device.
+ NULL means PCI resource node is not created.
+
+**/
+PCI_RESOURCE_NODE *
+CreateVfResourceNode (
+ IN PCI_IO_DEVICE *PciDev,
+ IN UINT64 Length,
+ IN UINT64 Alignment,
+ IN UINT8 Bar,
+ IN PCI_BAR_TYPE ResType,
+ IN PCI_RESOURCE_USAGE ResUsage
+ )
+{
+ PCI_RESOURCE_NODE *Node;
+
+ DEBUG ((
+ EFI_D_INFO,
+ "PCI-IOV B%x.D%x.F%x - VfResource (Bar - 0x%x) (Type - 0x%x) (Length - 0x%x)\n",
+ (UINTN)PciDev->BusNumber,
+ (UINTN)PciDev->DeviceNumber,
+ (UINTN)PciDev->FunctionNumber,
+ (UINTN)Bar,
+ (UINTN)ResType,
+ (UINTN)Length
+ ));
+
+ Node = CreateResourceNode (PciDev, Length, Alignment, Bar, ResType, ResUsage);
+ if (Node == NULL) {
+ return Node;
+ }
+
+ Node->Virtual = TRUE;
+
+ return Node;
+}
+
+/**
This function is used to extract resource request from
device node list.
@@ -1094,6 +1229,13 @@ ProgramBar ( UINT64 Address;
UINT32 Address32;
+ //
+ // Check VF BAR
+ //
+ if (Node->Virtual) {
+ ProgramVfBar (Base, Node);
+ }
+
Address = 0;
PciIo = &(Node->PciDev->PciIo);
@@ -1160,6 +1302,116 @@ ProgramBar ( }
/**
+ Program IOV VF Bar register for PCI device.
+
+ @param Base Base address for PCI device resource to be progammed.
+ @param Node Point to resoure node structure.
+
+**/
+EFI_STATUS
+ProgramVfBar (
+ IN UINT64 Base,
+ IN PCI_RESOURCE_NODE *Node
+ )
+{
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT64 Address;
+ UINT32 Address32;
+
+ ASSERT (Node->Virtual);
+ if (!Node->Virtual) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Address = 0;
+ PciIo = &(Node->PciDev->PciIo);
+
+ Address = Base + Node->Offset;
+
+ //
+ // Indicate pci bus driver has allocated
+ // resource for this device
+ // It might be a temporary solution here since
+ // pci device could have multiple bar
+ //
+ Node->PciDev->Allocated = TRUE;
+
+ switch ((Node->PciDev->VfPciBar[Node->Bar]).BarType) {
+
+ case PciBarTypeMem32:
+ case PciBarTypePMem32:
+
+ PciIo->Pci.Write (
+ PciIo,
+ EfiPciIoWidthUint32,
+ (Node->PciDev->VfPciBar[Node->Bar]).Offset,
+ 1,
+ &Address
+ );
+
+ Node->PciDev->VfPciBar[Node->Bar].BaseAddress = Address;
+
+ DEBUG ((
+ EFI_D_INFO,
+ "PCI-IOV B%x.D%x.F%x - VF Bar (Offset - 0x%x) 32Mem (Address - 0x%x)\n",
+ (UINTN)Node->PciDev->BusNumber,
+ (UINTN)Node->PciDev->DeviceNumber,
+ (UINTN)Node->PciDev->FunctionNumber,
+ (UINTN)(Node->PciDev->VfPciBar[Node->Bar]).Offset,
+ (UINTN)Address
+ ));
+
+ break;
+
+ case PciBarTypeMem64:
+ case PciBarTypePMem64:
+
+ Address32 = (UINT32) (Address & 0x00000000FFFFFFFF);
+
+ PciIo->Pci.Write (
+ PciIo,
+ EfiPciIoWidthUint32,
+ (Node->PciDev->VfPciBar[Node->Bar]).Offset,
+ 1,
+ &Address32
+ );
+
+ Address32 = (UINT32) RShiftU64 (Address, 32);
+
+ PciIo->Pci.Write (
+ PciIo,
+ EfiPciIoWidthUint32,
+ ((Node->PciDev->VfPciBar[Node->Bar]).Offset + 4),
+ 1,
+ &Address32
+ );
+
+ Node->PciDev->VfPciBar[Node->Bar].BaseAddress = Address;
+
+ DEBUG ((
+ EFI_D_INFO,
+ "PCI-IOV B%x.D%x.F%x - VF Bar (Offset - 0x%x) 64Mem (Address - 0x%lx)\n",
+ (UINTN)Node->PciDev->BusNumber,
+ (UINTN)Node->PciDev->DeviceNumber,
+ (UINTN)Node->PciDev->FunctionNumber,
+ (UINTN)(Node->PciDev->VfPciBar[Node->Bar]).Offset,
+ (UINT64)Address
+ ));
+
+ break;
+
+ case PciBarTypeIo16:
+ case PciBarTypeIo32:
+ break;
+
+ default:
+ break;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
Program PCI-PCI bridge apperture.
@param Base Base address for resource.
|