- TURE -> TRUE - stoping -> stopping - doule -> double - Peroidic -> Periodic - stardard -> standard - a a -> a - reseting -> resetting - excute -> execute - connectted -> connected - Sumbit -> Submit Cc: Feng Tian <feng.tian@intel.com> Cc: Star Zeng <star.zeng@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Gary Lin <glin@suse.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
		
			
				
	
	
		
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			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			404 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
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|   Header files and data structures needed by PCI Bus module.
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| 
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| Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| 
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| #ifndef _EFI_PCI_BUS_H_
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| #define _EFI_PCI_BUS_H_
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| 
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| #include <PiDxe.h>
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| 
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| #include <Protocol/LoadedImage.h>
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| #include <Protocol/PciHostBridgeResourceAllocation.h>
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| #include <Protocol/PciIo.h>
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| #include <Protocol/LoadFile2.h>
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| #include <Protocol/PciRootBridgeIo.h>
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| #include <Protocol/PciHotPlugRequest.h>
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| #include <Protocol/DevicePath.h>
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| #include <Protocol/PciPlatform.h>
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| #include <Protocol/PciHotPlugInit.h>
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| #include <Protocol/Decompress.h>
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| #include <Protocol/BusSpecificDriverOverride.h>
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| #include <Protocol/IncompatiblePciDeviceSupport.h>
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| #include <Protocol/PciOverride.h>
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| #include <Protocol/PciEnumerationComplete.h>
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| 
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| #include <Library/DebugLib.h>
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| #include <Library/UefiDriverEntryPoint.h>
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| #include <Library/BaseLib.h>
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| #include <Library/UefiLib.h>
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| #include <Library/BaseMemoryLib.h>
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| #include <Library/ReportStatusCodeLib.h>
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| #include <Library/MemoryAllocationLib.h>
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| #include <Library/UefiBootServicesTableLib.h>
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| #include <Library/DevicePathLib.h>
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| #include <Library/PcdLib.h>
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| #include <Library/PeCoffLib.h>
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| 
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| #include <IndustryStandard/Pci.h>
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| #include <IndustryStandard/PeImage.h>
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| #include <IndustryStandard/Acpi.h>
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| 
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| typedef struct _PCI_IO_DEVICE              PCI_IO_DEVICE;
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| typedef struct _PCI_BAR                    PCI_BAR;
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| 
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| #define EFI_PCI_RID(Bus, Device, Function)  (((UINT32)Bus << 8) + ((UINT32)Device << 3) + (UINT32)Function)
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| #define EFI_PCI_BUS_OF_RID(RID)             ((UINT32)RID >> 8)
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| 
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| #define     EFI_PCI_IOV_POLICY_ARI           0x0001
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| #define     EFI_PCI_IOV_POLICY_SRIOV         0x0002
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| #define     EFI_PCI_IOV_POLICY_MRIOV         0x0004
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| 
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| typedef enum {
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|   PciBarTypeUnknown = 0,
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|   PciBarTypeIo16,
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|   PciBarTypeIo32,
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|   PciBarTypeMem32,
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|   PciBarTypePMem32,
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|   PciBarTypeMem64,
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|   PciBarTypePMem64,
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|   PciBarTypeIo,
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|   PciBarTypeMem,
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|   PciBarTypeMaxType
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| } PCI_BAR_TYPE;
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| 
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| #include "ComponentName.h"
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| #include "PciIo.h"
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| #include "PciCommand.h"
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| #include "PciDeviceSupport.h"
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| #include "PciEnumerator.h"
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| #include "PciEnumeratorSupport.h"
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| #include "PciDriverOverride.h"
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| #include "PciRomTable.h"
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| #include "PciOptionRomSupport.h"
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| #include "PciPowerManagement.h"
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| #include "PciHotPlugSupport.h"
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| #include "PciLib.h"
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| 
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| #define VGABASE1  0x3B0
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| #define VGALIMIT1 0x3BB
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| 
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| #define VGABASE2  0x3C0
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| #define VGALIMIT2 0x3DF
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| 
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| #define ISABASE   0x100
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| #define ISALIMIT  0x3FF
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| 
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| //
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| // PCI BAR parameters
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| //
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| struct _PCI_BAR {
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|   UINT64        BaseAddress;
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|   UINT64        Length;
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|   UINT64        Alignment;
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|   PCI_BAR_TYPE  BarType;
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|   BOOLEAN       BarTypeFixed;
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|   UINT16        Offset;
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| };
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| 
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| //
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| // defined in PCI Card Specification, 8.0
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| //
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| #define PCI_CARD_MEMORY_BASE_0                0x1C
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| #define PCI_CARD_MEMORY_LIMIT_0               0x20
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| #define PCI_CARD_MEMORY_BASE_1                0x24
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| #define PCI_CARD_MEMORY_LIMIT_1               0x28
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| #define PCI_CARD_IO_BASE_0_LOWER              0x2C
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| #define PCI_CARD_IO_BASE_0_UPPER              0x2E
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| #define PCI_CARD_IO_LIMIT_0_LOWER             0x30
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| #define PCI_CARD_IO_LIMIT_0_UPPER             0x32
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| #define PCI_CARD_IO_BASE_1_LOWER              0x34
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| #define PCI_CARD_IO_BASE_1_UPPER              0x36
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| #define PCI_CARD_IO_LIMIT_1_LOWER             0x38
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| #define PCI_CARD_IO_LIMIT_1_UPPER             0x3A
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| #define PCI_CARD_BRIDGE_CONTROL               0x3E
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| 
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| #define PCI_CARD_PREFETCHABLE_MEMORY_0_ENABLE BIT8
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| #define PCI_CARD_PREFETCHABLE_MEMORY_1_ENABLE BIT9
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| 
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| #define RB_IO_RANGE                           1
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| #define RB_MEM32_RANGE                        2
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| #define RB_PMEM32_RANGE                       3
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| #define RB_MEM64_RANGE                        4
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| #define RB_PMEM64_RANGE                       5
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| 
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| #define PPB_BAR_0                             0
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| #define PPB_BAR_1                             1
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| #define PPB_IO_RANGE                          2
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| #define PPB_MEM32_RANGE                       3
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| #define PPB_PMEM32_RANGE                      4
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| #define PPB_PMEM64_RANGE                      5
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| #define PPB_MEM64_RANGE                       0xFF
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| 
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| #define P2C_BAR_0                             0
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| #define P2C_MEM_1                             1
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| #define P2C_MEM_2                             2
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| #define P2C_IO_1                              3
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| #define P2C_IO_2                              4
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| 
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| #define EFI_BRIDGE_IO32_DECODE_SUPPORTED      0x0001
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| #define EFI_BRIDGE_PMEM32_DECODE_SUPPORTED    0x0002
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| #define EFI_BRIDGE_PMEM64_DECODE_SUPPORTED    0x0004
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| #define EFI_BRIDGE_IO16_DECODE_SUPPORTED      0x0008
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| #define EFI_BRIDGE_PMEM_MEM_COMBINE_SUPPORTED 0x0010
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| #define EFI_BRIDGE_MEM64_DECODE_SUPPORTED     0x0020
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| #define EFI_BRIDGE_MEM32_DECODE_SUPPORTED     0x0040
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| 
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| #define PCI_MAX_HOST_BRIDGE_NUM               0x0010
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| 
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| //
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| // Define option for attribute
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| //
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| #define EFI_SET_SUPPORTS    0
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| #define EFI_SET_ATTRIBUTES  1
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| 
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| #define PCI_IO_DEVICE_SIGNATURE               SIGNATURE_32 ('p', 'c', 'i', 'o')
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| 
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| struct _PCI_IO_DEVICE {
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|   UINT32                                    Signature;
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|   EFI_HANDLE                                Handle;
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|   EFI_PCI_IO_PROTOCOL                       PciIo;
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|   LIST_ENTRY                                Link;
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| 
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|   EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL PciDriverOverride;
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|   EFI_DEVICE_PATH_PROTOCOL                  *DevicePath;
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|   EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL           *PciRootBridgeIo;
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|   EFI_LOAD_FILE2_PROTOCOL                   LoadFile2;
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| 
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|   //
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|   // PCI configuration space header type
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|   //
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|   PCI_TYPE00                                Pci;
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| 
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|   //
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|   // Bus number, Device number, Function number
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|   //
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|   UINT8                                     BusNumber;
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|   UINT8                                     DeviceNumber;
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|   UINT8                                     FunctionNumber;
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| 
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|   //
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|   // BAR for this PCI Device
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|   //
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|   PCI_BAR                                   PciBar[PCI_MAX_BAR];
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| 
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|   //
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|   // The bridge device this pci device is subject to
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|   //
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|   PCI_IO_DEVICE                             *Parent;
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| 
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|   //
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|   // A linked list for children Pci Device if it is bridge device
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|   //
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|   LIST_ENTRY                                ChildList;
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| 
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|   //
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|   // TRUE if the PCI bus driver creates the handle for this PCI device
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|   //
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|   BOOLEAN                                   Registered;
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| 
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|   //
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|   // TRUE if the PCI bus driver successfully allocates the resource required by
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|   // this PCI device
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|   //
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|   BOOLEAN                                   Allocated;
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| 
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|   //
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|   // The attribute this PCI device currently set
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|   //
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|   UINT64                                    Attributes;
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| 
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|   //
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|   // The attributes this PCI device actually supports
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|   //
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|   UINT64                                    Supports;
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| 
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|   //
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|   // The resource decode the bridge supports
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|   //
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|   UINT32                                    Decodes;
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| 
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|   //
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|   // TRUE if the ROM image is from the PCI Option ROM BAR
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|   //
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|   BOOLEAN                                   EmbeddedRom;
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| 
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|   //
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|   // The OptionRom Size
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|   //
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|   UINT64                                    RomSize;
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| 
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|   //
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|   // The OptionRom Size
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|   //
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|   UINT64                                    RomBase;
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| 
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|   //
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|   // TRUE if all OpROM (in device or in platform specific position) have been processed
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|   //
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|   BOOLEAN                                   AllOpRomProcessed;
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| 
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|   //
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|   // TRUE if there is any EFI driver in the OptionRom
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|   //
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|   BOOLEAN                                   BusOverride;
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| 
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|   //
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|   // A list tracking reserved resource on a bridge device
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|   //
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|   LIST_ENTRY                                ReservedResourceList;
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| 
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|   //
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|   // A list tracking image handle of platform specific overriding driver
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|   //
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|   LIST_ENTRY                                OptionRomDriverList;
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| 
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|   EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR         *ResourcePaddingDescriptors;
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|   EFI_HPC_PADDING_ATTRIBUTES                PaddingAttributes;
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| 
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|   //
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|   // Bus number ranges for a PCI Root Bridge device
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|   //
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|   EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR         *BusNumberRanges;
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| 
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|   BOOLEAN                                   IsPciExp;
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|   //
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|   // For SR-IOV
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|   //
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|   UINT8                                     PciExpressCapabilityOffset;
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|   UINT32                                    AriCapabilityOffset;
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|   UINT32                                    SrIovCapabilityOffset;
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|   UINT32                                    MrIovCapabilityOffset;
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|   PCI_BAR                                   VfPciBar[PCI_MAX_BAR];
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|   UINT32                                    SystemPageSize;
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|   UINT16                                    InitialVFs;
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|   UINT16                                    ReservedBusNum;
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|   //
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|   // Per PCI to PCI Bridge spec, I/O window is 4K aligned,
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|   // but some chipsets support non-standard I/O window alignments less than 4K.
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|   // This field is used to support this case.
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|   //
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|   UINT16                                    BridgeIoAlignment;
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| };
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| 
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| #define PCI_IO_DEVICE_FROM_PCI_IO_THIS(a) \
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|   CR (a, PCI_IO_DEVICE, PciIo, PCI_IO_DEVICE_SIGNATURE)
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| 
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| #define PCI_IO_DEVICE_FROM_PCI_DRIVER_OVERRIDE_THIS(a) \
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|   CR (a, PCI_IO_DEVICE, PciDriverOverride, PCI_IO_DEVICE_SIGNATURE)
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| 
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| #define PCI_IO_DEVICE_FROM_LINK(a) \
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|   CR (a, PCI_IO_DEVICE, Link, PCI_IO_DEVICE_SIGNATURE)
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| 
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| #define PCI_IO_DEVICE_FROM_LOAD_FILE2_THIS(a) \
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|   CR (a, PCI_IO_DEVICE, LoadFile2, PCI_IO_DEVICE_SIGNATURE)
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| 
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| 
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| 
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| //
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| // Global Variables
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| //
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| extern EFI_INCOMPATIBLE_PCI_DEVICE_SUPPORT_PROTOCOL *gIncompatiblePciDeviceSupport;
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| extern EFI_DRIVER_BINDING_PROTOCOL                  gPciBusDriverBinding;
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| extern EFI_COMPONENT_NAME_PROTOCOL                  gPciBusComponentName;
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| extern EFI_COMPONENT_NAME2_PROTOCOL                 gPciBusComponentName2;
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| extern BOOLEAN                                      gFullEnumeration;
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| extern UINTN                                        gPciHostBridgeNumber;
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| extern EFI_HANDLE                                   gPciHostBrigeHandles[PCI_MAX_HOST_BRIDGE_NUM];
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| extern UINT64                                       gAllOne;
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| extern UINT64                                       gAllZero;
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| extern EFI_PCI_PLATFORM_PROTOCOL                    *gPciPlatformProtocol;
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| extern EFI_PCI_OVERRIDE_PROTOCOL                    *gPciOverrideProtocol;
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| extern BOOLEAN                                      mReserveIsaAliases;
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| extern BOOLEAN                                      mReserveVgaAliases;
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| 
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| /**
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|   Macro that checks whether device is a GFX device.
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| 
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|   @param  _p      Specified device.
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| 
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|   @retval TRUE    Device is a GFX device.
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|   @retval FALSE   Device is not a GFX device.
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| 
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| **/
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| #define IS_PCI_GFX(_p)     IS_CLASS2 (_p, PCI_CLASS_DISPLAY, PCI_CLASS_DISPLAY_OTHER)
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| 
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| /**
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|   Test to see if this driver supports ControllerHandle. Any ControllerHandle
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|   than contains a gEfiPciRootBridgeIoProtocolGuid protocol can be supported.
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| 
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|   @param  This                Protocol instance pointer.
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|   @param  Controller          Handle of device to test.
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|   @param  RemainingDevicePath Optional parameter use to pick a specific child
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|                               device to start.
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| 
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|   @retval EFI_SUCCESS         This driver supports this device.
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|   @retval EFI_ALREADY_STARTED This driver is already running on this device.
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|   @retval other               This driver does not support this device.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| PciBusDriverBindingSupported (
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|   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
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|   IN EFI_HANDLE                     Controller,
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|   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
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|   );
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| 
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| /**
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|   Start this driver on ControllerHandle and enumerate Pci bus and start
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|   all device under PCI bus.
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| 
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|   @param  This                 Protocol instance pointer.
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|   @param  Controller           Handle of device to bind driver to.
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|   @param  RemainingDevicePath  Optional parameter use to pick a specific child
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|                                device to start.
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| 
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|   @retval EFI_SUCCESS          This driver is added to ControllerHandle.
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|   @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle.
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|   @retval other                This driver does not support this device.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| PciBusDriverBindingStart (
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|   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
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|   IN EFI_HANDLE                     Controller,
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|   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
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|   );
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| 
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| /**
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|   Stop this driver on ControllerHandle. Support stopping any child handles
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|   created by this driver.
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| 
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|   @param  This              Protocol instance pointer.
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|   @param  Controller        Handle of device to stop driver on.
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|   @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of
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|                             children is zero stop the entire bus driver.
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|   @param  ChildHandleBuffer List of Child Handles to Stop.
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| 
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|   @retval EFI_SUCCESS       This driver is removed ControllerHandle.
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|   @retval other             This driver was not removed from this device.
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| 
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| **/
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| EFI_STATUS
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| EFIAPI
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| PciBusDriverBindingStop (
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|   IN  EFI_DRIVER_BINDING_PROTOCOL   *This,
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|   IN  EFI_HANDLE                    Controller,
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|   IN  UINTN                         NumberOfChildren,
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|   IN  EFI_HANDLE                    *ChildHandleBuffer
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|   );
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| 
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| #endif
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