3 Copyright (c) 2006 - 2007, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
24 #ifndef _EFI_PCI_BUS_H
25 #define _EFI_PCI_BUS_H
28 #include <IndustryStandard/pci22.h>
29 #include <IndustryStandard/Acpi.h>
30 #include "ComponentName.h"
33 // Driver Produced Protocol Prototypes
36 #define VGABASE1 0x3B0
37 #define VGALIMIT1 0x3BB
39 #define VGABASE2 0x3C0
40 #define VGALIMIT2 0x3DF
43 #define ISALIMIT 0x3FF
46 PciBarTypeUnknown
= 0,
70 #define PPB_IO_RANGE 2
71 #define PPB_MEM32_RANGE 3
72 #define PPB_PMEM32_RANGE 4
73 #define PPB_PMEM64_RANGE 5
74 #define PPB_MEM64_RANGE 0xFF
82 #define PCI_IO_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('p', 'c', 'i', 'o')
84 #define EFI_BRIDGE_IO32_DECODE_SUPPORTED 0x0001
85 #define EFI_BRIDGE_PMEM32_DECODE_SUPPORTED 0x0002
86 #define EFI_BRIDGE_PMEM64_DECODE_SUPPORTED 0x0004
87 #define EFI_BRIDGE_IO16_DECODE_SUPPORTED 0x0008
88 #define EFI_BRIDGE_PMEM_MEM_COMBINE_SUPPORTED 0x0010
89 #define EFI_BRIDGE_MEM64_DECODE_SUPPORTED 0x0020
90 #define EFI_BRIDGE_MEM32_DECODE_SUPPORTED 0x0040
92 #define PCI_MAX_HOST_BRIDGE_NUM 0x0010
94 // Define resource status constant
96 #define EFI_RESOURCE_NONEXISTENT 0xFFFFFFFFFFFFFFFFULL
97 #define EFI_RESOURCE_LESS 0xFFFFFFFFFFFFFFFEULL
98 #define EFI_RESOURCE_SATISFIED 0x0000000000000000ULL
101 // Define option for attribute
103 #define EFI_SET_SUPPORTS 0
104 #define EFI_SET_ATTRIBUTES 1
106 typedef struct _PCI_IO_DEVICE
{
109 EFI_PCI_IO_PROTOCOL PciIo
;
112 EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL PciDriverOverride
;
113 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
114 EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL
*PciRootBridgeIo
;
117 // PCI configuration space header type
122 // Bus number, Device number, Function number
126 UINT8 FunctionNumber
;
129 // BAR for this PCI Device
131 PCI_BAR PciBar
[PCI_MAX_BAR
];
134 // The bridge device this pci device is subject to
136 struct _PCI_IO_DEVICE
*Parent
;
139 // A linked list for children Pci Device if it is bridge device
141 LIST_ENTRY ChildList
;
144 // TURE if the PCI bus driver creates the handle for this PCI device
149 // TRUE if the PCI bus driver successfully allocates the resource required by
155 // The attribute this PCI device currently set
160 // The attributes this PCI device actually supports
165 // The resource decode the bridge supports
170 // The OptionRom Size
175 // The OptionRom Size
180 // TRUE if all OpROM (in device or in platform specific position) have been processed
182 BOOLEAN AllOpRomProcessed
;
185 // TRUE if there is any EFI driver in the OptionRom
190 // A list tracking reserved resource on a bridge device
192 LIST_ENTRY ReservedResourceList
;
195 // A list tracking image handle of platform specific overriding driver
197 LIST_ENTRY OptionRomDriverList
;
199 EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR
*ResourcePaddingDescriptors
;
200 EFI_HPC_PADDING_ATTRIBUTES PaddingAttributes
;
207 #define PCI_IO_DEVICE_FROM_PCI_IO_THIS(a) \
208 CR (a, PCI_IO_DEVICE, PciIo, PCI_IO_DEVICE_SIGNATURE)
210 #define PCI_IO_DEVICE_FROM_PCI_DRIVER_OVERRIDE_THIS(a) \
211 CR (a, PCI_IO_DEVICE, PciDriverOverride, PCI_IO_DEVICE_SIGNATURE)
213 #define PCI_IO_DEVICE_FROM_LINK(a) \
214 CR (a, PCI_IO_DEVICE, Link, PCI_IO_DEVICE_SIGNATURE)
219 extern EFI_DRIVER_BINDING_PROTOCOL gPciBusDriverBinding
;
220 extern EFI_COMPONENT_NAME_PROTOCOL gPciBusComponentName
;
221 extern LIST_ENTRY gPciDevicePool
;
222 extern BOOLEAN gFullEnumeration
;
223 extern UINTN gPciHostBridgeNumber
;
224 extern EFI_HANDLE gPciHostBrigeHandles
[PCI_MAX_HOST_BRIDGE_NUM
];
225 extern UINT64 gAllOne
;
226 extern UINT64 gAllZero
;
228 extern EFI_PCI_PLATFORM_PROTOCOL
*gPciPlatformProtocol
;
231 #include "PciCommand.h"
232 #include "PciDeviceSupport.h"
233 #include "PciEnumerator.h"
234 #include "PciEnumeratorSupport.h"
235 #include "PciDriverOverride.h"
236 #include "PciRomTable.h"
237 #include "PciOptionRomSupport.h"
238 #include "PciPowerManagement.h"
239 #include "PciHotPlugSupport.h"
243 // PCI Bus Support Function Prototypes
247 PciBusDriverBindingSupported (
248 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
249 IN EFI_HANDLE Controller
,
250 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
255 PciBusDriverBindingStart (
256 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
257 IN EFI_HANDLE Controller
,
258 IN EFI_DEVICE_PATH_PROTOCOL
*RemainingDevicePath
263 PciBusDriverBindingStop (
264 IN EFI_DRIVER_BINDING_PROTOCOL
*This
,
265 IN EFI_HANDLE Controller
,
266 IN UINTN NumberOfChildren
,
267 IN EFI_HANDLE
*ChildHandleBuffer