PciResourceSupport.h

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#ifndef _EFI_PCI_RESOURCE_SUPPORT_H_
#define _EFI_PCI_RESOURCE_SUPPORT_H_
 
typedef enum {
  PciResUsageTypical,
  PciResUsagePadding
} PCI_RESOURCE_USAGE;
 
#define PCI_RESOURCE_SIGNATURE  SIGNATURE_32 ('p', 'c', 'r', 'c')
 
typedef struct {
  UINT32                Signature;
  LIST_ENTRY            Link;
  LIST_ENTRY            ChildList;
  PCI_IO_DEVICE         *PciDev;
  UINT64                Alignment;
  UINT64                Offset;
  UINT8                 Bar;
  PCI_BAR_TYPE          ResType;
  UINT64                Length;
  BOOLEAN               Reserved;
  PCI_RESOURCE_USAGE    ResourceUsage;
  BOOLEAN               Virtual;
} PCI_RESOURCE_NODE;
 
#define RESOURCE_NODE_FROM_LINK(a) \
  CR (a, PCI_RESOURCE_NODE, Link, PCI_RESOURCE_SIGNATURE)
 
VOID
SkipVGAAperture (
  OUT UINT64  *Start,
  IN  UINT64  Length
  );
 
VOID
SkipIsaAliasAperture (
  OUT UINT64  *Start,
  IN  UINT64  Length
  );
 
VOID
InsertResourceNode (
  IN OUT PCI_RESOURCE_NODE  *Bridge,
  IN     PCI_RESOURCE_NODE  *ResNode
  );
 
VOID
MergeResourceTree (
  IN PCI_RESOURCE_NODE  *Dst,
  IN PCI_RESOURCE_NODE  *Res,
  IN BOOLEAN            TypeMerge
  );
 
VOID
CalculateApertureIo16 (
  IN PCI_RESOURCE_NODE  *Bridge
  );
 
VOID
CalculateResourceAperture (
  IN PCI_RESOURCE_NODE  *Bridge
  );
 
VOID
GetResourceFromDevice (
  IN     PCI_IO_DEVICE      *PciDev,
  IN OUT PCI_RESOURCE_NODE  *IoNode,
  IN OUT PCI_RESOURCE_NODE  *Mem32Node,
  IN OUT PCI_RESOURCE_NODE  *PMem32Node,
  IN OUT PCI_RESOURCE_NODE  *Mem64Node,
  IN OUT PCI_RESOURCE_NODE  *PMem64Node
  );
 
PCI_RESOURCE_NODE *
CreateResourceNode (
  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 *
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
  );
 
VOID
CreateResourceMap (
  IN     PCI_IO_DEVICE      *Bridge,
  IN OUT PCI_RESOURCE_NODE  *IoNode,
  IN OUT PCI_RESOURCE_NODE  *Mem32Node,
  IN OUT PCI_RESOURCE_NODE  *PMem32Node,
  IN OUT PCI_RESOURCE_NODE  *Mem64Node,
  IN OUT PCI_RESOURCE_NODE  *PMem64Node
  );
 
VOID
ResourcePaddingPolicy (
  IN PCI_IO_DEVICE      *PciDev,
  IN PCI_RESOURCE_NODE  *IoNode,
  IN PCI_RESOURCE_NODE  *Mem32Node,
  IN PCI_RESOURCE_NODE  *PMem32Node,
  IN PCI_RESOURCE_NODE  *Mem64Node,
  IN PCI_RESOURCE_NODE  *PMem64Node
  );
 
VOID
DegradeResource (
  IN PCI_IO_DEVICE      *Bridge,
  IN PCI_RESOURCE_NODE  *Mem32Node,
  IN PCI_RESOURCE_NODE  *PMem32Node,
  IN PCI_RESOURCE_NODE  *Mem64Node,
  IN PCI_RESOURCE_NODE  *PMem64Node
  );
 
BOOLEAN
BridgeSupportResourceDecode (
  IN PCI_IO_DEVICE  *Bridge,
  IN UINT32         Decode
  );
 
EFI_STATUS
ProgramResource (
  IN UINT64             Base,
  IN PCI_RESOURCE_NODE  *Bridge
  );
 
VOID
ProgramBar (
  IN UINT64             Base,
  IN PCI_RESOURCE_NODE  *Node
  );
 
EFI_STATUS
ProgramVfBar (
  IN UINT64             Base,
  IN PCI_RESOURCE_NODE  *Node
  );
 
VOID
ProgramPpbApperture (
  IN UINT64             Base,
  IN PCI_RESOURCE_NODE  *Node
  );
 
VOID
ProgramUpstreamBridgeForRom (
  IN PCI_IO_DEVICE  *PciDevice,
  IN UINT32         OptionRomBase,
  IN BOOLEAN        Enable
  );
 
BOOLEAN
ResourceRequestExisted (
  IN PCI_RESOURCE_NODE  *Bridge
  );
 
VOID
InitializeResourcePool (
  IN OUT PCI_RESOURCE_NODE  *ResourcePool,
  IN     PCI_BAR_TYPE       ResourceType
  );
 
VOID
DestroyResourceTree (
  IN PCI_RESOURCE_NODE  *Bridge
  );
 
VOID
ResourcePaddingForCardBusBridge (
  IN PCI_IO_DEVICE      *PciDev,
  IN PCI_RESOURCE_NODE  *IoNode,
  IN PCI_RESOURCE_NODE  *Mem32Node,
  IN PCI_RESOURCE_NODE  *PMem32Node,
  IN PCI_RESOURCE_NODE  *Mem64Node,
  IN PCI_RESOURCE_NODE  *PMem64Node
  );
 
VOID
ProgramP2C (
  IN UINT64             Base,
  IN PCI_RESOURCE_NODE  *Node
  );
 
VOID
ApplyResourcePadding (
  IN PCI_IO_DEVICE      *PciDev,
  IN PCI_RESOURCE_NODE  *IoNode,
  IN PCI_RESOURCE_NODE  *Mem32Node,
  IN PCI_RESOURCE_NODE  *PMem32Node,
  IN PCI_RESOURCE_NODE  *Mem64Node,
  IN PCI_RESOURCE_NODE  *PMem64Node
  );
 
VOID
GetResourcePaddingPpb (
  IN  PCI_IO_DEVICE  *PciIoDevice
  );
 
#endif