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380 lines
12 KiB
C
380 lines
12 KiB
C
/** @file
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This module is one template module for Incompatible PCI Device Support protocol.
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It includes one incompatible pci devices list template.
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Incompatible PCI Device Support protocol allows the PCI bus driver to support
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resource allocation for some PCI devices that do not comply with the PCI Specification.
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Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include <Protocol/IncompatiblePciDeviceSupport.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <IndustryStandard/Pci.h>
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#include <IndustryStandard/Acpi.h>
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typedef struct {
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UINT64 VendorId;
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UINT64 DeviceId;
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UINT64 RevisionId;
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UINT64 SubsystemVendorId;
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UINT64 SubsystemDeviceId;
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} EFI_PCI_DEVICE_HEADER_INFO;
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typedef struct {
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UINT64 ResType;
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UINT64 GenFlag;
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UINT64 SpecificFlag;
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UINT64 AddrSpaceGranularity;
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UINT64 AddrRangeMin;
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UINT64 AddrRangeMax;
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UINT64 AddrTranslationOffset;
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UINT64 AddrLen;
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} EFI_PCI_RESOUCE_DESCRIPTOR;
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#define PCI_DEVICE_ID(VendorId, DeviceId, Revision, SubVendorId, SubDeviceId) \
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VendorId, DeviceId, Revision, SubVendorId, SubDeviceId
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#define DEVICE_INF_TAG 0xFFF2
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#define DEVICE_RES_TAG 0xFFF1
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#define LIST_END_TAG 0x0000
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#define EVEN_ALIGN 0xFFFFFFFFFFFFFFFEULL
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/**
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Returns a list of ACPI resource descriptors that detail the special
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resource configuration requirements for an incompatible PCI device.
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@param This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.
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@param VendorId A unique ID to identify the manufacturer of the PCI device.
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@param DeviceId A unique ID to identify the particular PCI device.
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@param RevisionId A PCI device-specific revision identifier.
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@param SubsystemVendorId Specifies the subsystem vendor ID.
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@param SubsystemDeviceId Specifies the subsystem device ID.
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@param Configuration A list of ACPI resource descriptors returned that detail
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the configuration requirement.
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@retval EFI_SUCCESS Successfully got ACPI resource for specified PCI device.
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@retval EFI_INVALID_PARAMETER Configuration is NULL.
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@retval EFI_OUT_OF_RESOURCES No memory available.
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@retval EFI_UNSUPPORTED The specified PCI device wasn't supported.
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**/
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EFI_STATUS
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EFIAPI
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PCheckDevice (
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IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *This,
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IN UINTN VendorId,
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IN UINTN DeviceId,
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IN UINTN RevisionId,
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IN UINTN SubsystemVendorId,
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IN UINTN SubsystemDeviceId,
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OUT VOID **Configuration
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);
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//
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// Handle onto which the Incompatible PCI Device List is installed
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//
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EFI_HANDLE mIncompatiblePciDeviceSupportHandle = NULL;
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//
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// The Incompatible PCI Device Support Protocol instance produced by this driver
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//
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EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL mIncompatiblePciDeviceSupport = {
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PCheckDevice
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};
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//
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// The incompatible PCI devices list template
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//
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GLOBAL_REMOVE_IF_UNREFERENCED UINT64 mIncompatiblePciDeviceList[] = {
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//
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// DEVICE_INF_TAG,
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// PCI_DEVICE_ID (VendorID, DeviceID, Revision, SubVendorId, SubDeviceId),
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// DEVICE_RES_TAG,
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// ResType, GFlag , SFlag, Granularity, RangeMin,
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// RangeMax, Offset, AddrLen
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//
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//
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// Device Adaptec 9004
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//
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DEVICE_INF_TAG,
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PCI_DEVICE_ID(0x9004, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),
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DEVICE_RES_TAG,
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ACPI_ADDRESS_SPACE_TYPE_IO,
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0,
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0,
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0,
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0,
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EVEN_ALIGN,
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MAX_UINT64,
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0,
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//
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// Device Adaptec 9005
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//
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DEVICE_INF_TAG,
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PCI_DEVICE_ID(0x9005, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),
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DEVICE_RES_TAG,
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ACPI_ADDRESS_SPACE_TYPE_IO,
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0,
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0,
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0,
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0,
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EVEN_ALIGN,
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MAX_UINT64,
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0,
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//
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// Device QLogic 1007
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//
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DEVICE_INF_TAG,
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PCI_DEVICE_ID(0x1077, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),
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DEVICE_RES_TAG,
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ACPI_ADDRESS_SPACE_TYPE_IO,
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0,
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0,
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0,
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0,
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EVEN_ALIGN,
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MAX_UINT64,
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0,
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//
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// Device Agilent 103C
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//
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DEVICE_INF_TAG,
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PCI_DEVICE_ID(0x103C, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),
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DEVICE_RES_TAG,
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ACPI_ADDRESS_SPACE_TYPE_IO,
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0,
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0,
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0,
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0,
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EVEN_ALIGN,
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MAX_UINT64,
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0,
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//
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// Device Agilent 15BC
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//
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DEVICE_INF_TAG,
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PCI_DEVICE_ID(0x15BC, MAX_UINT64, MAX_UINT64, MAX_UINT64, MAX_UINT64),
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DEVICE_RES_TAG,
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ACPI_ADDRESS_SPACE_TYPE_IO,
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0,
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0,
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0,
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0,
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EVEN_ALIGN,
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MAX_UINT64,
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0,
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//
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// The end of the list
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//
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LIST_END_TAG
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};
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/**
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Entry point of the incompatible pci device support code. Setup an incompatible device list template
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and install EFI Incompatible PCI Device Support protocol.
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@param ImageHandle A handle for the image that is initializing this driver.
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@param SystemTable A pointer to the EFI system table.
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@retval EFI_SUCCESS Installed EFI Incompatible PCI Device Support Protocol successfully.
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@retval others Failed to install protocol.
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**/
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EFI_STATUS
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EFIAPI
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IncompatiblePciDeviceSupportEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Install EFI Incompatible PCI Device Support Protocol on a new handle
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//
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Status = gBS->InstallProtocolInterface (
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&mIncompatiblePciDeviceSupportHandle,
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&gEfiIncompatiblePciDeviceSupportProtocolGuid,
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EFI_NATIVE_INTERFACE,
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&mIncompatiblePciDeviceSupport
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);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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/**
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Returns a list of ACPI resource descriptors that detail the special
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resource configuration requirements for an incompatible PCI device.
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@param This Pointer to the EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL instance.
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@param VendorId A unique ID to identify the manufacturer of the PCI device.
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@param DeviceId A unique ID to identify the particular PCI device.
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@param RevisionId A PCI device-specific revision identifier.
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@param SubsystemVendorId Specifies the subsystem vendor ID.
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@param SubsystemDeviceId Specifies the subsystem device ID.
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@param Configuration A list of ACPI resource descriptors returned that detail
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the configuration requirement.
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@retval EFI_SUCCESS Successfully got ACPI resource for specified PCI device.
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@retval EFI_INVALID_PARAMETER Configuration is NULL.
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@retval EFI_OUT_OF_RESOURCES No memory available.
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@retval EFI_UNSUPPORTED The specified PCI device wasn't supported.
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**/
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EFI_STATUS
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EFIAPI
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PCheckDevice (
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IN EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *This,
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IN UINTN VendorId,
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IN UINTN DeviceId,
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IN UINTN RevisionId,
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IN UINTN SubsystemVendorId,
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IN UINTN SubsystemDeviceId,
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OUT VOID **Configuration
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)
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{
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UINT64 Tag;
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UINT64 *ListPtr;
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UINT64 *TempListPtr;
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EFI_PCI_DEVICE_HEADER_INFO *Header;
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EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *AcpiPtr;
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EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *OldAcpiPtr;
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EFI_PCI_RESOUCE_DESCRIPTOR *Dsc;
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EFI_ACPI_END_TAG_DESCRIPTOR *PtrEnd;
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UINTN Index;
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//
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// Validate the parameters
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//
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if (Configuration == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Initialize the return value to NULL
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//
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* (VOID **) Configuration = NULL;
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ListPtr = mIncompatiblePciDeviceList;
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while (*ListPtr != LIST_END_TAG) {
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Tag = *ListPtr;
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switch (Tag) {
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case DEVICE_INF_TAG:
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Header = (EFI_PCI_DEVICE_HEADER_INFO *) (ListPtr + 1);
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ListPtr = ListPtr + 1 + sizeof (EFI_PCI_DEVICE_HEADER_INFO) / sizeof (UINT64);
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//
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// See if the Header matches the parameters passed in
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//
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if ((Header->VendorId != MAX_UINT64) && (VendorId != MAX_UINTN)) {
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if (Header->VendorId != VendorId) {
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continue;
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}
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}
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if ((Header->DeviceId != MAX_UINT64) && (DeviceId != MAX_UINTN)) {
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if (DeviceId != Header->DeviceId) {
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continue;
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}
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}
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if ((Header->RevisionId != MAX_UINT64) && (RevisionId != MAX_UINTN)) {
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if (RevisionId != Header->RevisionId) {
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continue;
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}
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}
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if ((Header->SubsystemVendorId != MAX_UINT64) && (SubsystemVendorId != MAX_UINTN)) {
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if (SubsystemVendorId != Header->SubsystemVendorId) {
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continue;
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}
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}
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if ((Header->SubsystemDeviceId != MAX_UINT64) && (SubsystemDeviceId != MAX_UINTN)) {
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if (SubsystemDeviceId != Header->SubsystemDeviceId) {
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continue;
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}
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}
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//
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// Matched an item, so construct the ACPI descriptor for the resource.
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//
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//
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// Count the resource items so that to allocate space
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//
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for (Index = 0, TempListPtr = ListPtr; *TempListPtr == DEVICE_RES_TAG; Index++) {
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TempListPtr = TempListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));
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}
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//
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// If there is at least one type of resource request,
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// allocate an acpi resource node
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//
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if (Index == 0) {
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return EFI_UNSUPPORTED;
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}
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AcpiPtr = AllocateZeroPool (sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) * Index + sizeof (EFI_ACPI_END_TAG_DESCRIPTOR));
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if (AcpiPtr == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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OldAcpiPtr = AcpiPtr;
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//
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// Fill the EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR structure
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// according to the EFI_PCI_RESOUCE_DESCRIPTOR structure
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//
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for (; *ListPtr == DEVICE_RES_TAG;) {
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Dsc = (EFI_PCI_RESOUCE_DESCRIPTOR *) (ListPtr + 1);
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AcpiPtr->Desc = ACPI_ADDRESS_SPACE_DESCRIPTOR;
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AcpiPtr->Len = (UINT16) sizeof (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR) - 3;
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AcpiPtr->ResType = (UINT8) Dsc->ResType;
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AcpiPtr->GenFlag = (UINT8) Dsc->GenFlag;
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AcpiPtr->SpecificFlag = (UINT8) Dsc->SpecificFlag;
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AcpiPtr->AddrSpaceGranularity = Dsc->AddrSpaceGranularity;;
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AcpiPtr->AddrRangeMin = Dsc->AddrRangeMin;
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AcpiPtr->AddrRangeMax = Dsc->AddrRangeMax;
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AcpiPtr->AddrTranslationOffset = Dsc->AddrTranslationOffset;
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AcpiPtr->AddrLen = Dsc->AddrLen;
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ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));
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AcpiPtr++;
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}
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//
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// Put the checksum
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//
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PtrEnd = (EFI_ACPI_END_TAG_DESCRIPTOR *) (AcpiPtr);
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PtrEnd->Desc = ACPI_END_TAG_DESCRIPTOR;
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PtrEnd->Checksum = 0;
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*(VOID **) Configuration = OldAcpiPtr;
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return EFI_SUCCESS;
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case DEVICE_RES_TAG:
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//
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// Adjust the pointer to the next PCI resource descriptor item
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//
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ListPtr = ListPtr + 1 + ((sizeof (EFI_PCI_RESOUCE_DESCRIPTOR)) / sizeof (UINT64));
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break;
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default:
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return EFI_UNSUPPORTED;
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}
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}
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return EFI_UNSUPPORTED;
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}
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