PciHotPlugSupport.h

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#ifndef _EFI_PCI_HOT_PLUG_SUPPORT_H_
#define _EFI_PCI_HOT_PLUG_SUPPORT_H_
 
//
// stall 1 second, its unit is 100ns
//
#define STALL_1_SECOND  1000000
 
//
// PCI Hot Plug controller private data
//
typedef struct {
  EFI_EVENT    Event;
  BOOLEAN      Found;
  BOOLEAN      Initialized;
  VOID         *Padding;
} ROOT_HPC_DATA;
 
//
// Reference of some global variables
//
extern EFI_PCI_HOT_PLUG_INIT_PROTOCOL  *gPciHotPlugInit;
extern EFI_HPC_LOCATION                *gPciRootHpcPool;
extern ROOT_HPC_DATA                   *gPciRootHpcData;
 
VOID
EFIAPI
PciHPCInitialized (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  );
 
BOOLEAN
EfiCompareDevicePath (
  IN EFI_DEVICE_PATH_PROTOCOL  *DevicePath1,
  IN EFI_DEVICE_PATH_PROTOCOL  *DevicePath2
  );
 
EFI_STATUS
InitializeHotPlugSupport (
  VOID
  );
 
BOOLEAN
IsPciHotPlugBus (
  PCI_IO_DEVICE  *PciIoDevice
  );
 
BOOLEAN
IsRootPciHotPlugBus (
  IN  EFI_DEVICE_PATH_PROTOCOL  *HpbDevicePath,
  OUT UINTN                     *HpIndex    OPTIONAL
  );
 
BOOLEAN
IsRootPciHotPlugController (
  IN EFI_DEVICE_PATH_PROTOCOL  *HpcDevicePath,
  OUT UINTN                    *HpIndex
  );
 
EFI_STATUS
CreateEventForHpc (
  IN  UINTN      HpIndex,
  OUT EFI_EVENT  *Event
  );
 
EFI_STATUS
AllRootHPCInitialized (
  IN  UINTN  TimeoutInMicroSeconds
  );
 
BOOLEAN
IsSHPC (
  IN PCI_IO_DEVICE  *PciIoDevice
  );
 
BOOLEAN
SupportsPcieHotplug (
  IN PCI_IO_DEVICE  *PciIoDevice
  );
 
VOID
GetResourcePaddingForHpb (
  IN PCI_IO_DEVICE  *PciIoDevice
  );
 
#endif