1 files changed, 134 insertions, 0 deletions
diff --git a/EdkModulePkg/Include/Library/PciIncompatibleDeviceSupportLib.h b/EdkModulePkg/Include/Library/PciIncompatibleDeviceSupportLib.h
new file mode 100644
index 0000000000..527a704042
--- /dev/null
+++ b/EdkModulePkg/Include/Library/PciIncompatibleDeviceSupportLib.h
@@ -0,0 +1,134 @@
+/** @file
+  PCI Incompatible device support Libary.
+
+Copyright (c) 2007 Intel Corporation. All rights reserved. <BR>
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+**/
+
+#define PCI_REGISTER_READ    0xfffffffffffffff1ULL
+#define PCI_REGISTER_WRITE   0xfffffffffffffff2ULL
+#define VALUE_NOCARE         0xffffffffffffffffULL
+
+//
+// PCI device device information
+//
+typedef struct {
+  UINT64              VendorID;
+  UINT64              DeviceID;
+  UINT64              RevisionID;
+  UINT64              SubsystemVendorID;
+  UINT64              SubsystemID;
+} EFI_PCI_DEVICE_INFO;
+
+
+//
+// store hardcode value of resgister
+//
+typedef struct {
+  UINT64              AndValue;
+  UINT64              OrValue;
+} EFI_PCI_REGISTER_VALUE_DATA;
+
+//
+// store access width information
+//
+typedef struct {
+  UINT64              StartOffset;
+  UINT64              EndOffset;
+  UINT64              Width;
+} EFI_PCI_REGISTER_ACCESS_DATA;
+
+
+//
+// ACPI resource descriptor
+//
+typedef struct {
+  UINT64  ResType;
+  UINT64  GenFlag;
+  UINT64  SpecificFlag;
+  UINT64  AddrSpaceGranularity;
+  UINT64  AddrRangeMin;
+  UINT64  AddrRangeMax;
+  UINT64  AddrTranslationOffset;
+  UINT64  AddrLen;
+} EFI_PCI_RESOUCE_DESCRIPTOR;
+
+/**
+  Checks the incompatible device list for ACPI resource update and return
+  the configuration.
+
+  This function searches the incompatible device list according to request
+  information. If the PCI device belongs to the devices list, corresponding
+  configuration informtion will be returned, in the meantime return EFI_SUCCESS.
+
+  @param  PciDeviceInfo       A pointer to PCI device information.
+  @param  Configuration       Returned information.
+
+  @retval returns EFI_SUCCESS if check incompatible device ok.
+          Otherwise return EFI_UNSUPPORTED.
+**/
+RETURN_STATUS
+EFIAPI
+PciResourceUpdateCheck (
+  IN  EFI_PCI_DEVICE_INFO           *PciDeviceInfo,
+  OUT VOID                          *Configuration
+  );
+
+/**
+  Checks the incompatible device list and return configuration register mask values.
+
+  This function searches the incompatible device list according to request
+  information. If the PCI device belongs to the devices list, corresponding
+  configuration informtion will be returned, in the meantime return EFI_SUCCESS.
+
+  @param  PciDeviceInfo       A pointer to EFI_PCI_DEVICE_INFO.
+  @param  AccessType          Access Type, READ or WRITE.
+  @param  Offset              The address within the PCI configuration space.
+  @param  Configuration       Returned information.
+
+  @retval returns EFI_SUCCESS if check incompatible device ok.
+          Otherwise return EFI_UNSUPPORTED.
+**/
+RETURN_STATUS
+EFIAPI
+PciRegisterUpdateCheck (
+  IN  EFI_PCI_DEVICE_INFO           *PciDeviceInfo,
+  IN  UINT64                        AccessType,
+  IN  UINT64                        Offset,
+  OUT VOID                          *Configuration
+  );
+
+/**
+  Checks the incompatible device list for access width incompatibility and
+  return the configuration
+
+  This function searches the incompatible device list for access width
+  incompatibility according to request information. If the PCI device
+  belongs to the devices list, corresponding configuration informtion
+  will be returned, in the meantime return EFI_SUCCESS.
+
+  @param  PciDeviceInfo       A pointer to PCI device information.
+  @param  AccessType          Access type, READ or WRITE.
+  @param  Offset              The address within the PCI configuration space.
+  @param  AccessWidth         Access width needs to check incompatibility.
+  @param  Configuration       Returned information.
+
+  @retval returns EFI_SUCCESS if check incompatible device ok.
+          Otherwise return EFI_UNSUPPORTED.
+**/
+RETURN_STATUS
+EFIAPI
+PciRegisterAccessCheck (
+  IN  EFI_PCI_DEVICE_INFO           *PciDeviceInfo,
+  IN  UINT64                        AccessType,
+  IN  UINT64                        Offset,
+  IN  UINT64                        AccessWidth,
+  OUT VOID                          *Configuration
+  );