[mirror_edk2.git] / MdeModulePkg / Bus / Pci / IncompatiblePciDeviceSupportDxe / IncompatiblePciDeviceSupport.c

/** @file\r
  This module is one template module for Incompatible PCI Device Support protocol.\r
  It includes one incompatible pci devices list template.\r
\r
  Incompatible PCI Device Support protocol allows the PCI bus driver to support\r
  resource allocation for some PCI devices that do not comply with the PCI Specification.\r
\r
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiDxe.h>\r
#include <Protocol/IncompatiblePciDeviceSupport.h>\r
\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/DebugLib.h>\r
\r
#include <IndustryStandard/Pci.h>\r
#include <IndustryStandard/Acpi.h>\r
\r
typedef struct {\r
  UINT64    VendorId;\r
  UINT64    DeviceId;\r
  UINT64    RevisionId;\r
  UINT64    SubsystemVendorId;\r
  UINT64    SubsystemDeviceId;\r
} EFI_PCI_DEVICE_HEADER_INFO;\r
\r
typedef struct {\r
  UINT64    ResType;\r
  UINT64    GenFlag;\r
  UINT64    SpecificFlag;\r
  UINT64    AddrSpaceGranularity;\r
  UINT64    AddrRangeMin;\r
  UINT64    AddrRangeMax;\r
  UINT64    AddrTranslationOffset;\r
  UINT64    AddrLen;\r
} EFI_PCI_RESOUCE_DESCRIPTOR;\r
\r
#define PCI_DEVICE_ID(VendorId, DeviceId, Revision, SubVendorId, SubDeviceId) \\r
    VendorId, DeviceId, Revision, SubVendorId, SubDeviceId\r
\r
#define DEVICE_INF_TAG  0xFFF2\r
#define DEVICE_RES_TAG  0xFFF1\r
#define LIST_END_TAG    0x0000\r
\r
#define EVEN_ALIGN  0xFFFFFFFFFFFFFFFEULL\r
\r
/**\r
  Returns a list of ACPI resource descriptors that detail the special\r
  resource configuration requirements for an incompatible PCI device.\r
\r
  @param  This                  Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.\r
  @param  VendorId              A unique ID to identify the manufacturer of the PCI device.\r
  @param  DeviceId              A unique ID to identify the particular PCI device.\r
  @param  RevisionId            A PCI device-specific revision identifier.\r
  @param  SubsystemVendorId     Specifies the subsystem vendor ID.\r
  @param  SubsystemDeviceId     Specifies the subsystem device ID.\r
  @param  Configuration         A list of ACPI resource descriptors returned that detail\r
                                the configuration requirement.\r
\r
  @retval EFI_SUCCESS           Successfully got ACPI resource for specified PCI device.\r
  @retval EFI_INVALID_PARAMETER Configuration is NULL.\r
  @retval EFI_OUT_OF_RESOURCES  No memory available.\r
  @retval EFI_UNSUPPORTED       The specified PCI device wasn't supported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PCheckDevice (\r
  IN  EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL  *This,\r
  IN  UINTN                                         VendorId,\r
  IN  UINTN                                         DeviceId,\r
  IN  UINTN                                         RevisionId,\r
  IN  UINTN                                         SubsystemVendorId,\r
  IN  UINTN                                         SubsystemDeviceId,\r
  OUT VOID                                          **Configuration\r
  );\r
\r
//\r
// Handle onto which the Incompatible PCI Device List is installed\r
//\r
EFI_HANDLE  mIncompatiblePciDeviceSupportHandle = NULL;\r
\r
//\r
// The Incompatible PCI Device Support Protocol instance produced by this driver\r
//\r
EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL  mIncompatiblePciDeviceSupport = {\r
  PCheckDevice\r
};\r
\r
//\r
// The incompatible PCI devices list template\r
//\r
GLOBAL_REMOVE_IF_UNREFERENCED UINT64  mIncompatiblePciDeviceList[] = {\r
  //\r
  // DEVICE_INF_TAG,\r
  // PCI_DEVICE_ID (VendorID, DeviceID, Revision, SubVendorId, SubDeviceId),\r
  // DEVICE_RES_TAG,\r
  // ResType,  GFlag , SFlag,   Granularity,  RangeMin,\r
  // RangeMax, Offset, AddrLen\r
  //\r
  //\r
  // Device Adaptec 9004\r
  //\r
  DEVICE_INF_TAG,\r
  PCI_DEVICE_ID (0x9004,     MAX_UINT64,  MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
  DEVICE_RES_TAG,\r
  ACPI_ADDRESS_SPACE_TYPE_IO,\r
  0,\r
  0,\r
  0,\r
  0,\r
  EVEN_ALIGN,\r
  MAX_UINT64,\r
  0,\r
  //\r
  // Device Adaptec 9005\r
  //\r
  DEVICE_INF_TAG,\r
  PCI_DEVICE_ID (0x9005,     MAX_UINT64,  MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
  DEVICE_RES_TAG,\r
  ACPI_ADDRESS_SPACE_TYPE_IO,\r
  0,\r
  0,\r
  0,\r
  0,\r
  EVEN_ALIGN,\r
  MAX_UINT64,\r
  0,\r
  //\r
  // Device QLogic  1007\r
  //\r
  DEVICE_INF_TAG,\r
  PCI_DEVICE_ID (0x1077,     MAX_UINT64,  MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
  DEVICE_RES_TAG,\r
  ACPI_ADDRESS_SPACE_TYPE_IO,\r
  0,\r
  0,\r
  0,\r
  0,\r
  EVEN_ALIGN,\r
  MAX_UINT64,\r
  0,\r
  //\r
  // Device Agilent 103C\r
  //\r
  DEVICE_INF_TAG,\r
  PCI_DEVICE_ID (0x103C,     MAX_UINT64,  MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
  DEVICE_RES_TAG,\r
  ACPI_ADDRESS_SPACE_TYPE_IO,\r
  0,\r
  0,\r
  0,\r
  0,\r
  EVEN_ALIGN,\r
  MAX_UINT64,\r
  0,\r
  //\r
  // Device Agilent 15BC\r
  //\r
  DEVICE_INF_TAG,\r
  PCI_DEVICE_ID (0x15BC,     MAX_UINT64,  MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
  DEVICE_RES_TAG,\r
  ACPI_ADDRESS_SPACE_TYPE_IO,\r
  0,\r
  0,\r
  0,\r
  0,\r
  EVEN_ALIGN,\r
  MAX_UINT64,\r
  0,\r
  //\r
  // The end of the list\r
  //\r
  LIST_END_TAG\r
};\r
\r
/**\r
  Entry point of the incompatible pci device support code. Setup an incompatible device list template\r
  and install EFI Incompatible PCI Device Support protocol.\r
\r
  @param ImageHandle             A handle for the image that is initializing this driver.\r
  @param SystemTable             A pointer to the EFI system table.\r
\r
  @retval EFI_SUCCESS            Installed EFI Incompatible PCI Device Support Protocol successfully.\r
  @retval others                 Failed to install protocol.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
IncompatiblePciDeviceSupportEntryPoint (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  //\r
  // Install EFI Incompatible PCI Device Support Protocol on a new handle\r
  //\r
  Status = gBS->InstallProtocolInterface (\r
                  &mIncompatiblePciDeviceSupportHandle,\r
                  &gEfiIncompatiblePciDeviceSupportProtocolGuid,\r
                  EFI_NATIVE_INTERFACE,\r
                  &mIncompatiblePciDeviceSupport\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
/**\r
  Returns a list of ACPI resource descriptors that detail the special\r
  resource configuration requirements for an incompatible PCI device.\r
\r
  @param  This                  Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.\r
  @param  VendorId              A unique ID to identify the manufacturer of the PCI device.\r
  @param  DeviceId              A unique ID to identify the particular PCI device.\r
  @param  RevisionId            A PCI device-specific revision identifier.\r
  @param  SubsystemVendorId     Specifies the subsystem vendor ID.\r
  @param  SubsystemDeviceId     Specifies the subsystem device ID.\r
  @param  Configuration         A list of ACPI resource descriptors returned that detail\r
                                the configuration requirement.\r
\r
  @retval EFI_SUCCESS           Successfully got ACPI resource for specified PCI device.\r
  @retval EFI_INVALID_PARAMETER Configuration is NULL.\r
  @retval EFI_OUT_OF_RESOURCES  No memory available.\r
  @retval EFI_UNSUPPORTED       The specified PCI device wasn't supported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
PCheckDevice (\r
  IN  EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL  *This,\r
  IN  UINTN                                         VendorId,\r
  IN  UINTN                                         DeviceId,\r
  IN  UINTN                                         RevisionId,\r
  IN  UINTN                                         SubsystemVendorId,\r
  IN  UINTN                                         SubsystemDeviceId,\r
  OUT VOID                                          **Configuration\r
  )\r
{\r
  UINT64                             Tag;\r
  UINT64                             *ListPtr;\r
  UINT64                             *TempListPtr;\r
  EFI_PCI_DEVICE_HEADER_INFO         *Header;\r
  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR  *AcpiPtr;\r
  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR  *OldAcpiPtr;\r
  EFI_PCI_RESOUCE_DESCRIPTOR         *Dsc;\r
  EFI_ACPI_END_TAG_DESCRIPTOR        *PtrEnd;\r
  UINTN                              Index;\r
\r
  //\r
  // Validate the parameters\r
  //\r
  if (Configuration == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  //\r
  // Initialize the return value to NULL\r
  //\r
  *(VOID **)Configuration = NULL;\r
\r
  ListPtr = mIncompatiblePciDeviceList;\r
  while (*ListPtr != LIST_END_TAG) {\r
    Tag = *ListPtr;\r
\r
    switch (Tag) {\r
      case DEVICE_INF_TAG:\r
        Header  = (EFI_PCI_DEVICE_HEADER_INFO *)(ListPtr + 1);\r
        ListPtr = ListPtr + 1 + sizeof (EFI_PCI_DEVICE_HEADER_INFO) / sizeof (UINT64);\r
        //\r
        // See if the Header matches the parameters passed in\r
        //\r
        if ((Header->VendorId != MAX_UINT64) && (VendorId != MAX_UINTN)) {\r
          if (Header->VendorId != VendorId) {\r
            continue;\r
          }\r
        }\r
\r
        if ((Header->DeviceId != MAX_UINT64) && (DeviceId != MAX_UINTN)) {\r
          if (DeviceId != Header->DeviceId) {\r
            continue;\r
          }\r
        }\r
\r
        if ((Header->RevisionId != MAX_UINT64) && (RevisionId != MAX_UINTN)) {\r
          if (RevisionId != Header->RevisionId) {\r
            continue;\r
          }\r
        }\r
\r
        if ((Header->SubsystemVendorId != MAX_UINT64) && (SubsystemVendorId != MAX_UINTN)) {\r
          if (SubsystemVendorId != Header->SubsystemVendorId) {\r
            continue;\r
          }\r
        }\r
\r
        if ((Header->SubsystemDeviceId != MAX_UINT64) && (SubsystemDeviceId != MAX_UINTN)) {\r
          if (SubsystemDeviceId != Header->SubsystemDeviceId) {\r
            continue;\r
          }\r
        }\r
\r
        //\r
        // Matched an item, so construct the ACPI descriptor for the resource.\r
        //\r
        //\r
        // Count the resource items so that to allocate space\r
        //\r
        for (Index = 0, TempListPtr = ListPtr; *TempListPtr == DEVICE_RES_TAG; Index++) {\r
          TempListPtr = TempListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
        }\r
\r
        //\r
        // If there is at least one type of resource request,\r
        // allocate an acpi resource node\r
        //\r
        if (Index == 0) {\r
          return EFI_UNSUPPORTED;\r
        }\r
\r
        AcpiPtr = AllocateZeroPool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * Index + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));\r
        if (AcpiPtr == NULL) {\r
          return EFI_OUT_OF_RESOURCES;\r
        }\r
\r
        OldAcpiPtr = AcpiPtr;\r
        //\r
        // Fill the EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR structure\r
        // according to the EFI_PCI_RESOUCE_DESCRIPTOR structure\r
        //\r
        for ( ; *ListPtr == DEVICE_RES_TAG;) {\r
          Dsc = (EFI_PCI_RESOUCE_DESCRIPTOR *)(ListPtr + 1);\r
\r
          AcpiPtr->Desc                  = ACPI_ADDRESS_SPACE_DESCRIPTOR;\r
          AcpiPtr->Len                   = (UINT16)sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;\r
          AcpiPtr->ResType               = (UINT8)Dsc->ResType;\r
          AcpiPtr->GenFlag               = (UINT8)Dsc->GenFlag;\r
          AcpiPtr->SpecificFlag          = (UINT8)Dsc->SpecificFlag;\r
          AcpiPtr->AddrSpaceGranularity  = Dsc->AddrSpaceGranularity;\r
          AcpiPtr->AddrRangeMin          = Dsc->AddrRangeMin;\r
          AcpiPtr->AddrRangeMax          = Dsc->AddrRangeMax;\r
          AcpiPtr->AddrTranslationOffset = Dsc->AddrTranslationOffset;\r
          AcpiPtr->AddrLen               = Dsc->AddrLen;\r
\r
          ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
          AcpiPtr++;\r
        }\r
\r
        //\r
        // Put the checksum\r
        //\r
        PtrEnd           = (EFI_ACPI_END_TAG_DESCRIPTOR *)(AcpiPtr);\r
        PtrEnd->Desc     = ACPI_END_TAG_DESCRIPTOR;\r
        PtrEnd->Checksum = 0;\r
\r
        *(VOID **)Configuration = OldAcpiPtr;\r
\r
        return EFI_SUCCESS;\r
\r
      case DEVICE_RES_TAG:\r
        //\r
        // Adjust the pointer to the next PCI resource descriptor item\r
        //\r
        ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
        break;\r
\r
      default:\r
        return EFI_UNSUPPORTED;\r
    }\r
  }\r
\r
  return EFI_UNSUPPORTED;\r
}\r
Commit	Line	Data
9060e3ec	1	/** @file\r
9060e3ec	2	This module is one template module for Incompatible PCI Device Support protocol.\r
c1a247b8	3	It includes one incompatible pci devices list template.\r
d1102dba	4	\r
9060e3ec	5	Incompatible PCI Device Support protocol allows the PCI bus driver to support\r
	6	resource allocation for some PCI devices that do not comply with the PCI Specification.\r
	7	\r
e03a460f	8	Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
9d510e61	9	SPDX-License-Identifier: BSD-2-Clause-Patent\r
9060e3ec	10	\r
	11	**/\r
	12	\r
	13	#include <PiDxe.h>\r
	14	#include <Protocol/IncompatiblePciDeviceSupport.h>\r
	15	\r
	16	#include <Library/UefiBootServicesTableLib.h>\r
	17	#include <Library/MemoryAllocationLib.h>\r
	18	#include <Library/DebugLib.h>\r
	19	\r
	20	#include <IndustryStandard/Pci.h>\r
	21	#include <IndustryStandard/Acpi.h>\r
	22	\r
	23	typedef struct {\r
1436aea4 MK	24	UINT64 VendorId;\r
	25	UINT64 DeviceId;\r
	26	UINT64 RevisionId;\r
	27	UINT64 SubsystemVendorId;\r
	28	UINT64 SubsystemDeviceId;\r
9060e3ec	29	} EFI_PCI_DEVICE_HEADER_INFO;\r
	30	\r
	31	typedef struct {\r
1436aea4 MK	32	UINT64 ResType;\r
	33	UINT64 GenFlag;\r
	34	UINT64 SpecificFlag;\r
	35	UINT64 AddrSpaceGranularity;\r
	36	UINT64 AddrRangeMin;\r
	37	UINT64 AddrRangeMax;\r
	38	UINT64 AddrTranslationOffset;\r
	39	UINT64 AddrLen;\r
9060e3ec	40	} EFI_PCI_RESOUCE_DESCRIPTOR;\r
	41	\r
	42	#define PCI_DEVICE_ID(VendorId, DeviceId, Revision, SubVendorId, SubDeviceId) \\r
	43	VendorId, DeviceId, Revision, SubVendorId, SubDeviceId\r
	44	\r
1436aea4 MK	45	#define DEVICE_INF_TAG 0xFFF2\r
	46	#define DEVICE_RES_TAG 0xFFF1\r
	47	#define LIST_END_TAG 0x0000\r
9060e3ec	48	\r
1436aea4	49	#define EVEN_ALIGN 0xFFFFFFFFFFFFFFFEULL\r
9060e3ec	50	\r
	51	/**\r
	52	Returns a list of ACPI resource descriptors that detail the special\r
	53	resource configuration requirements for an incompatible PCI device.\r
	54	\r
	55	@param This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.\r
	56	@param VendorId A unique ID to identify the manufacturer of the PCI device.\r
	57	@param DeviceId A unique ID to identify the particular PCI device.\r
	58	@param RevisionId A PCI device-specific revision identifier.\r
	59	@param SubsystemVendorId Specifies the subsystem vendor ID.\r
	60	@param SubsystemDeviceId Specifies the subsystem device ID.\r
	61	@param Configuration A list of ACPI resource descriptors returned that detail\r
	62	the configuration requirement.\r
	63	\r
	64	@retval EFI_SUCCESS Successfully got ACPI resource for specified PCI device.\r
d1102dba	65	@retval EFI_INVALID_PARAMETER Configuration is NULL.\r
9060e3ec	66	@retval EFI_OUT_OF_RESOURCES No memory available.\r
	67	@retval EFI_UNSUPPORTED The specified PCI device wasn't supported.\r
	68	\r
	69	**/\r
	70	EFI_STATUS\r
	71	EFIAPI\r
	72	PCheckDevice (\r
	73	IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *This,\r
	74	IN UINTN VendorId,\r
	75	IN UINTN DeviceId,\r
	76	IN UINTN RevisionId,\r
	77	IN UINTN SubsystemVendorId,\r
	78	IN UINTN SubsystemDeviceId,\r
	79	OUT VOID **Configuration\r
	80	);\r
	81	\r
	82	//\r
	83	// Handle onto which the Incompatible PCI Device List is installed\r
	84	//\r
1436aea4	85	EFI_HANDLE mIncompatiblePciDeviceSupportHandle = NULL;\r
9060e3ec	86	\r
	87	//\r
	88	// The Incompatible PCI Device Support Protocol instance produced by this driver\r
	89	//\r
	90	EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL mIncompatiblePciDeviceSupport = {\r
	91	PCheckDevice\r
	92	};\r
	93	\r
	94	//\r
	95	// The incompatible PCI devices list template\r
	96	//\r
1436aea4	97	GLOBAL_REMOVE_IF_UNREFERENCED UINT64 mIncompatiblePciDeviceList[] = {\r
9060e3ec	98	//\r
	99	// DEVICE_INF_TAG,\r
	100	// PCI_DEVICE_ID (VendorID, DeviceID, Revision, SubVendorId, SubDeviceId),\r
	101	// DEVICE_RES_TAG,\r
	102	// ResType, GFlag , SFlag, Granularity, RangeMin,\r
	103	// RangeMax, Offset, AddrLen\r
	104	//\r
	105	//\r
	106	// Device Adaptec 9004\r
	107	//\r
	108	DEVICE_INF_TAG,\r
1436aea4	109	PCI_DEVICE_ID (0x9004, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
9060e3ec	110	DEVICE_RES_TAG,\r
c1a247b8 RN	111	ACPI_ADDRESS_SPACE_TYPE_IO,\r
	112	0,\r
	113	0,\r
	114	0,\r
	115	0,\r
	116	EVEN_ALIGN,\r
	117	MAX_UINT64,\r
	118	0,\r
9060e3ec	119	//\r
	120	// Device Adaptec 9005\r
	121	//\r
	122	DEVICE_INF_TAG,\r
1436aea4	123	PCI_DEVICE_ID (0x9005, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
9060e3ec	124	DEVICE_RES_TAG,\r
c1a247b8 RN	125	ACPI_ADDRESS_SPACE_TYPE_IO,\r
	126	0,\r
	127	0,\r
	128	0,\r
	129	0,\r
	130	EVEN_ALIGN,\r
	131	MAX_UINT64,\r
	132	0,\r
9060e3ec	133	//\r
	134	// Device QLogic 1007\r
	135	//\r
	136	DEVICE_INF_TAG,\r
1436aea4	137	PCI_DEVICE_ID (0x1077, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
9060e3ec	138	DEVICE_RES_TAG,\r
c1a247b8 RN	139	ACPI_ADDRESS_SPACE_TYPE_IO,\r
	140	0,\r
	141	0,\r
	142	0,\r
	143	0,\r
	144	EVEN_ALIGN,\r
	145	MAX_UINT64,\r
	146	0,\r
9060e3ec	147	//\r
	148	// Device Agilent 103C\r
	149	//\r
	150	DEVICE_INF_TAG,\r
1436aea4	151	PCI_DEVICE_ID (0x103C, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
9060e3ec	152	DEVICE_RES_TAG,\r
c1a247b8 RN	153	ACPI_ADDRESS_SPACE_TYPE_IO,\r
	154	0,\r
	155	0,\r
	156	0,\r
	157	0,\r
	158	EVEN_ALIGN,\r
	159	MAX_UINT64,\r
	160	0,\r
9060e3ec	161	//\r
	162	// Device Agilent 15BC\r
	163	//\r
	164	DEVICE_INF_TAG,\r
1436aea4	165	PCI_DEVICE_ID (0x15BC, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),\r
9060e3ec	166	DEVICE_RES_TAG,\r
c1a247b8 RN	167	ACPI_ADDRESS_SPACE_TYPE_IO,\r
	168	0,\r
	169	0,\r
	170	0,\r
	171	0,\r
	172	EVEN_ALIGN,\r
	173	MAX_UINT64,\r
	174	0,\r
9060e3ec	175	//\r
	176	// The end of the list\r
	177	//\r
	178	LIST_END_TAG\r
	179	};\r
	180	\r
9060e3ec	181	/**\r
	182	Entry point of the incompatible pci device support code. Setup an incompatible device list template\r
	183	and install EFI Incompatible PCI Device Support protocol.\r
	184	\r
	185	@param ImageHandle A handle for the image that is initializing this driver.\r
	186	@param SystemTable A pointer to the EFI system table.\r
	187	\r
	188	@retval EFI_SUCCESS Installed EFI Incompatible PCI Device Support Protocol successfully.\r
	189	@retval others Failed to install protocol.\r
	190	\r
	191	**/\r
	192	EFI_STATUS\r
	193	EFIAPI\r
	194	IncompatiblePciDeviceSupportEntryPoint (\r
1436aea4 MK	195	IN EFI_HANDLE ImageHandle,\r
1436aea4 MK	196	IN EFI_SYSTEM_TABLE *SystemTable\r
9060e3ec	197	)\r
9060e3ec	198	{\r
1436aea4	199	EFI_STATUS Status;\r
9060e3ec	200	\r
	201	//\r
	202	// Install EFI Incompatible PCI Device Support Protocol on a new handle\r
	203	//\r
	204	Status = gBS->InstallProtocolInterface (\r
	205	&mIncompatiblePciDeviceSupportHandle,\r
	206	&gEfiIncompatiblePciDeviceSupportProtocolGuid,\r
	207	EFI_NATIVE_INTERFACE,\r
	208	&mIncompatiblePciDeviceSupport\r
	209	);\r
	210	ASSERT_EFI_ERROR (Status);\r
	211	\r
	212	return Status;\r
	213	}\r
	214	\r
	215	/**\r
	216	Returns a list of ACPI resource descriptors that detail the special\r
	217	resource configuration requirements for an incompatible PCI device.\r
	218	\r
	219	@param This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.\r
	220	@param VendorId A unique ID to identify the manufacturer of the PCI device.\r
	221	@param DeviceId A unique ID to identify the particular PCI device.\r
	222	@param RevisionId A PCI device-specific revision identifier.\r
	223	@param SubsystemVendorId Specifies the subsystem vendor ID.\r
	224	@param SubsystemDeviceId Specifies the subsystem device ID.\r
	225	@param Configuration A list of ACPI resource descriptors returned that detail\r
	226	the configuration requirement.\r
	227	\r
	228	@retval EFI_SUCCESS Successfully got ACPI resource for specified PCI device.\r
d1102dba	229	@retval EFI_INVALID_PARAMETER Configuration is NULL.\r
9060e3ec	230	@retval EFI_OUT_OF_RESOURCES No memory available.\r
	231	@retval EFI_UNSUPPORTED The specified PCI device wasn't supported.\r
	232	\r
	233	**/\r
	234	EFI_STATUS\r
	235	EFIAPI\r
	236	PCheckDevice (\r
	237	IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *This,\r
	238	IN UINTN VendorId,\r
	239	IN UINTN DeviceId,\r
	240	IN UINTN RevisionId,\r
	241	IN UINTN SubsystemVendorId,\r
	242	IN UINTN SubsystemDeviceId,\r
	243	OUT VOID **Configuration\r
	244	)\r
	245	{\r
1436aea4 MK	246	UINT64 Tag;\r
	247	UINT64 *ListPtr;\r
	248	UINT64 *TempListPtr;\r
	249	EFI_PCI_DEVICE_HEADER_INFO *Header;\r
	250	EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *AcpiPtr;\r
	251	EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *OldAcpiPtr;\r
	252	EFI_PCI_RESOUCE_DESCRIPTOR *Dsc;\r
	253	EFI_ACPI_END_TAG_DESCRIPTOR *PtrEnd;\r
	254	UINTN Index;\r
9060e3ec	255	\r
	256	//\r
	257	// Validate the parameters\r
	258	//\r
	259	if (Configuration == NULL) {\r
	260	return EFI_INVALID_PARAMETER;\r
	261	}\r
1436aea4	262	\r
9060e3ec	263	//\r
	264	// Initialize the return value to NULL\r
	265	//\r
1436aea4	266	(VOID *)Configuration = NULL;\r
9060e3ec	267	\r
1436aea4	268	ListPtr = mIncompatiblePciDeviceList;\r
9060e3ec	269	while (*ListPtr != LIST_END_TAG) {\r
9060e3ec	270	Tag = *ListPtr;\r
	271	\r
	272	switch (Tag) {\r
1436aea4 MK	273	case DEVICE_INF_TAG:\r
	274	Header = (EFI_PCI_DEVICE_HEADER_INFO *)(ListPtr + 1);\r
	275	ListPtr = ListPtr + 1 + sizeof (EFI_PCI_DEVICE_HEADER_INFO) / sizeof (UINT64);\r
	276	//\r
	277	// See if the Header matches the parameters passed in\r
	278	//\r
	279	if ((Header->VendorId != MAX_UINT64) && (VendorId != MAX_UINTN)) {\r
	280	if (Header->VendorId != VendorId) {\r
	281	continue;\r
	282	}\r
9060e3ec	283	}\r
9060e3ec	284	\r
1436aea4 MK	285	if ((Header->DeviceId != MAX_UINT64) && (DeviceId != MAX_UINTN)) {\r
	286	if (DeviceId != Header->DeviceId) {\r
	287	continue;\r
	288	}\r
9060e3ec	289	}\r
9060e3ec	290	\r
1436aea4 MK	291	if ((Header->RevisionId != MAX_UINT64) && (RevisionId != MAX_UINTN)) {\r
	292	if (RevisionId != Header->RevisionId) {\r
	293	continue;\r
	294	}\r
9060e3ec	295	}\r
9060e3ec	296	\r
1436aea4 MK	297	if ((Header->SubsystemVendorId != MAX_UINT64) && (SubsystemVendorId != MAX_UINTN)) {\r
	298	if (SubsystemVendorId != Header->SubsystemVendorId) {\r
	299	continue;\r
	300	}\r
9060e3ec	301	}\r
9060e3ec	302	\r
1436aea4 MK	303	if ((Header->SubsystemDeviceId != MAX_UINT64) && (SubsystemDeviceId != MAX_UINTN)) {\r
	304	if (SubsystemDeviceId != Header->SubsystemDeviceId) {\r
	305	continue;\r
	306	}\r
9060e3ec	307	}\r
9060e3ec	308	\r
1436aea4 MK	309	//\r
	310	// Matched an item, so construct the ACPI descriptor for the resource.\r
	311	//\r
	312	//\r
	313	// Count the resource items so that to allocate space\r
	314	//\r
	315	for (Index = 0, TempListPtr = ListPtr; *TempListPtr == DEVICE_RES_TAG; Index++) {\r
	316	TempListPtr = TempListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
	317	}\r
	318	\r
	319	//\r
	320	// If there is at least one type of resource request,\r
	321	// allocate an acpi resource node\r
	322	//\r
	323	if (Index == 0) {\r
	324	return EFI_UNSUPPORTED;\r
	325	}\r
	326	\r
	327	AcpiPtr = AllocateZeroPool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * Index + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));\r
	328	if (AcpiPtr == NULL) {\r
	329	return EFI_OUT_OF_RESOURCES;\r
	330	}\r
	331	\r
	332	OldAcpiPtr = AcpiPtr;\r
	333	//\r
	334	// Fill the EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR structure\r
	335	// according to the EFI_PCI_RESOUCE_DESCRIPTOR structure\r
	336	//\r
	337	for ( ; *ListPtr == DEVICE_RES_TAG;) {\r
	338	Dsc = (EFI_PCI_RESOUCE_DESCRIPTOR *)(ListPtr + 1);\r
	339	\r
	340	AcpiPtr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;\r
	341	AcpiPtr->Len = (UINT16)sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;\r
	342	AcpiPtr->ResType = (UINT8)Dsc->ResType;\r
	343	AcpiPtr->GenFlag = (UINT8)Dsc->GenFlag;\r
	344	AcpiPtr->SpecificFlag = (UINT8)Dsc->SpecificFlag;\r
	345	AcpiPtr->AddrSpaceGranularity = Dsc->AddrSpaceGranularity;\r
	346	AcpiPtr->AddrRangeMin = Dsc->AddrRangeMin;\r
	347	AcpiPtr->AddrRangeMax = Dsc->AddrRangeMax;\r
	348	AcpiPtr->AddrTranslationOffset = Dsc->AddrTranslationOffset;\r
	349	AcpiPtr->AddrLen = Dsc->AddrLen;\r
	350	\r
	351	ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
	352	AcpiPtr++;\r
	353	}\r
	354	\r
	355	//\r
	356	// Put the checksum\r
	357	//\r
	358	PtrEnd = (EFI_ACPI_END_TAG_DESCRIPTOR *)(AcpiPtr);\r
	359	PtrEnd->Desc = ACPI_END_TAG_DESCRIPTOR;\r
	360	PtrEnd->Checksum = 0;\r
	361	\r
	362	(VOID *)Configuration = OldAcpiPtr;\r
	363	\r
	364	return EFI_SUCCESS;\r
	365	\r
	366	case DEVICE_RES_TAG:\r
	367	//\r
	368	// Adjust the pointer to the next PCI resource descriptor item\r
	369	//\r
9060e3ec	370	ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
1436aea4 MK	371	break;\r
	372	\r
	373	default:\r
	374	return EFI_UNSUPPORTED;\r
9060e3ec	375	}\r
	376	}\r
	377	\r
	378	return EFI_UNSUPPORTED;\r
	379	}\r