[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
/**\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
  // Initialize the return value to NULL\r
  //\r
  * (VOID **) Configuration = NULL;\r
\r
  ListPtr                   = mIncompatiblePciDeviceList;\r
  while (*ListPtr != LIST_END_TAG) {\r
\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
      // 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
      // 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
\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
      // 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
\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
	24	UINT64 VendorId;\r
	25	UINT64 DeviceId;\r
	26	UINT64 RevisionId;\r
	27	UINT64 SubsystemVendorId;\r
	28	UINT64 SubsystemDeviceId;\r
	29	} EFI_PCI_DEVICE_HEADER_INFO;\r
	30	\r
	31	typedef struct {\r
	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
	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
9060e3ec	45	#define DEVICE_INF_TAG 0xFFF2\r
	46	#define DEVICE_RES_TAG 0xFFF1\r
	47	#define LIST_END_TAG 0x0000\r
	48	\r
c1a247b8	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
	85	EFI_HANDLE mIncompatiblePciDeviceSupportHandle = NULL;\r
	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
	97	GLOBAL_REMOVE_IF_UNREFERENCED UINT64 mIncompatiblePciDeviceList[] = {\r
	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
c1a247b8	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
c1a247b8	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
c1a247b8	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
c1a247b8	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
c1a247b8	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
	181	\r
	182	/**\r
	183	Entry point of the incompatible pci device support code. Setup an incompatible device list template\r
	184	and install EFI Incompatible PCI Device Support protocol.\r
	185	\r
	186	@param ImageHandle A handle for the image that is initializing this driver.\r
	187	@param SystemTable A pointer to the EFI system table.\r
	188	\r
	189	@retval EFI_SUCCESS Installed EFI Incompatible PCI Device Support Protocol successfully.\r
	190	@retval others Failed to install protocol.\r
	191	\r
	192	**/\r
	193	EFI_STATUS\r
	194	EFIAPI\r
	195	IncompatiblePciDeviceSupportEntryPoint (\r
	196	IN EFI_HANDLE ImageHandle,\r
	197	IN EFI_SYSTEM_TABLE *SystemTable\r
	198	)\r
	199	{\r
	200	EFI_STATUS Status;\r
	201	\r
	202	//\r
	203	// Install EFI Incompatible PCI Device Support Protocol on a new handle\r
	204	//\r
	205	Status = gBS->InstallProtocolInterface (\r
	206	&mIncompatiblePciDeviceSupportHandle,\r
	207	&gEfiIncompatiblePciDeviceSupportProtocolGuid,\r
	208	EFI_NATIVE_INTERFACE,\r
	209	&mIncompatiblePciDeviceSupport\r
	210	);\r
	211	ASSERT_EFI_ERROR (Status);\r
	212	\r
	213	return Status;\r
	214	}\r
	215	\r
	216	/**\r
	217	Returns a list of ACPI resource descriptors that detail the special\r
	218	resource configuration requirements for an incompatible PCI device.\r
	219	\r
	220	@param This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.\r
	221	@param VendorId A unique ID to identify the manufacturer of the PCI device.\r
	222	@param DeviceId A unique ID to identify the particular PCI device.\r
	223	@param RevisionId A PCI device-specific revision identifier.\r
	224	@param SubsystemVendorId Specifies the subsystem vendor ID.\r
	225	@param SubsystemDeviceId Specifies the subsystem device ID.\r
	226	@param Configuration A list of ACPI resource descriptors returned that detail\r
	227	the configuration requirement.\r
	228	\r
	229	@retval EFI_SUCCESS Successfully got ACPI resource for specified PCI device.\r
d1102dba	230	@retval EFI_INVALID_PARAMETER Configuration is NULL.\r
9060e3ec	231	@retval EFI_OUT_OF_RESOURCES No memory available.\r
	232	@retval EFI_UNSUPPORTED The specified PCI device wasn't supported.\r
	233	\r
	234	**/\r
	235	EFI_STATUS\r
	236	EFIAPI\r
	237	PCheckDevice (\r
	238	IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *This,\r
	239	IN UINTN VendorId,\r
	240	IN UINTN DeviceId,\r
	241	IN UINTN RevisionId,\r
	242	IN UINTN SubsystemVendorId,\r
	243	IN UINTN SubsystemDeviceId,\r
	244	OUT VOID **Configuration\r
	245	)\r
	246	{\r
	247	UINT64 Tag;\r
	248	UINT64 *ListPtr;\r
	249	UINT64 *TempListPtr;\r
	250	EFI_PCI_DEVICE_HEADER_INFO *Header;\r
	251	EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *AcpiPtr;\r
	252	EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *OldAcpiPtr;\r
	253	EFI_PCI_RESOUCE_DESCRIPTOR *Dsc;\r
	254	EFI_ACPI_END_TAG_DESCRIPTOR *PtrEnd;\r
	255	UINTN Index;\r
	256	\r
	257	//\r
	258	// Validate the parameters\r
	259	//\r
	260	if (Configuration == NULL) {\r
	261	return EFI_INVALID_PARAMETER;\r
	262	}\r
	263	//\r
	264	// Initialize the return value to NULL\r
	265	//\r
	266	* (VOID **) Configuration = NULL;\r
	267	\r
	268	ListPtr = mIncompatiblePciDeviceList;\r
	269	while (*ListPtr != LIST_END_TAG) {\r
	270	\r
	271	Tag = *ListPtr;\r
	272	\r
	273	switch (Tag) {\r
	274	case DEVICE_INF_TAG:\r
	275	Header = (EFI_PCI_DEVICE_HEADER_INFO *) (ListPtr + 1);\r
	276	ListPtr = ListPtr + 1 + sizeof (EFI_PCI_DEVICE_HEADER_INFO) / sizeof (UINT64);\r
	277	//\r
	278	// See if the Header matches the parameters passed in\r
	279	//\r
29dbdcab	280	if ((Header->VendorId != MAX_UINT64) && (VendorId != MAX_UINTN)) {\r
9060e3ec	281	if (Header->VendorId != VendorId) {\r
	282	continue;\r
	283	}\r
	284	}\r
	285	\r
29dbdcab	286	if ((Header->DeviceId != MAX_UINT64) && (DeviceId != MAX_UINTN)) {\r
9060e3ec	287	if (DeviceId != Header->DeviceId) {\r
	288	continue;\r
	289	}\r
	290	}\r
	291	\r
29dbdcab	292	if ((Header->RevisionId != MAX_UINT64) && (RevisionId != MAX_UINTN)) {\r
9060e3ec	293	if (RevisionId != Header->RevisionId) {\r
	294	continue;\r
	295	}\r
	296	}\r
	297	\r
29dbdcab	298	if ((Header->SubsystemVendorId != MAX_UINT64) && (SubsystemVendorId != MAX_UINTN)) {\r
9060e3ec	299	if (SubsystemVendorId != Header->SubsystemVendorId) {\r
	300	continue;\r
	301	}\r
	302	}\r
	303	\r
29dbdcab	304	if ((Header->SubsystemDeviceId != MAX_UINT64) && (SubsystemDeviceId != MAX_UINTN)) {\r
9060e3ec	305	if (SubsystemDeviceId != Header->SubsystemDeviceId) {\r
	306	continue;\r
	307	}\r
	308	}\r
	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	// If there is at least one type of resource request,\r
	320	// allocate an acpi resource node\r
	321	//\r
	322	if (Index == 0) {\r
	323	return EFI_UNSUPPORTED;\r
	324	}\r
	325	\r
	326	AcpiPtr = AllocateZeroPool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * Index + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));\r
	327	if (AcpiPtr == NULL) {\r
	328	return EFI_OUT_OF_RESOURCES;\r
	329	}\r
	330	\r
	331	OldAcpiPtr = AcpiPtr;\r
	332	//\r
	333	// Fill the EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR structure\r
	334	// according to the EFI_PCI_RESOUCE_DESCRIPTOR structure\r
	335	//\r
	336	for (; *ListPtr == DEVICE_RES_TAG;) {\r
	337	\r
	338	Dsc = (EFI_PCI_RESOUCE_DESCRIPTOR *) (ListPtr + 1);\r
	339	\r
	340	AcpiPtr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;\r
e03a460f	341	AcpiPtr->Len = (UINT16) sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;\r
9060e3ec	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	// Put the checksum\r
	356	//\r
	357	PtrEnd = (EFI_ACPI_END_TAG_DESCRIPTOR *) (AcpiPtr);\r
	358	PtrEnd->Desc = ACPI_END_TAG_DESCRIPTOR;\r
	359	PtrEnd->Checksum = 0;\r
	360	\r
	361	(VOID *) Configuration = OldAcpiPtr;\r
	362	\r
	363	return EFI_SUCCESS;\r
	364	\r
	365	case DEVICE_RES_TAG:\r
	366	//\r
	367	// Adjust the pointer to the next PCI resource descriptor item\r
	368	//\r
	369	ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));\r
	370	break;\r
	371	\r
	372	default:\r
	373	return EFI_UNSUPPORTED;\r
	374	}\r
	375	}\r
	376	\r
	377	return EFI_UNSUPPORTED;\r
	378	}\r
	379	\r