blob: 5b4c57fa2a8e360129c7653032a0fecd9e95d3f7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/** @file
Copyright (C) 2016, Linaro Ltd. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __NON_DISCOVERABLE_PCI_DEVICE_IO_H__
#define __NON_DISCOVERABLE_PCI_DEVICE_IO_H__
#include <PiDxe.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <IndustryStandard/Pci.h>
#include <Protocol/ComponentName.h>
#include <Protocol/NonDiscoverableDevice.h>
#include <Protocol/Cpu.h>
#include <Protocol/PciIo.h>
#define NON_DISCOVERABLE_PCI_DEVICE_SIG SIGNATURE_32 ('P', 'P', 'I', 'D')
#define NON_DISCOVERABLE_PCI_DEVICE_FROM_PCI_IO(PciIoPointer) \
CR (PciIoPointer, NON_DISCOVERABLE_PCI_DEVICE, PciIo, \
NON_DISCOVERABLE_PCI_DEVICE_SIG)
#define PCI_ID_VENDOR_UNKNOWN 0xffff
#define PCI_ID_DEVICE_DONTCARE 0x0000
#define PCI_MAX_BARS 6
extern EFI_CPU_ARCH_PROTOCOL *mCpu;
typedef struct {
//
// The linked-list next pointer
//
LIST_ENTRY List;
//
// The address of the uncached allocation
//
VOID *HostAddress;
//
// The number of pages in the allocation
//
UINTN NumPages;
//
// The attributes of the allocation
//
UINT64 Attributes;
} NON_DISCOVERABLE_DEVICE_UNCACHED_ALLOCATION;
typedef struct {
UINT32 Signature;
//
// The bound non-discoverable device protocol instance
//
NON_DISCOVERABLE_DEVICE *Device;
//
// The exposed PCI I/O protocol instance.
//
EFI_PCI_IO_PROTOCOL PciIo;
//
// The emulated PCI config space of the device. Only the minimally required
// items are assigned.
//
PCI_TYPE00 ConfigSpace;
//
// The first virtual BAR to assign based on the resources described
// by the non-discoverable device.
//
UINT32 BarOffset;
//
// The number of virtual BARs we expose based on the number of
// resources
//
UINT32 BarCount;
//
// The PCI I/O attributes for this device
//
UINT64 Attributes;
//
// Whether this device has been enabled
//
BOOLEAN Enabled;
//
// Linked list to keep track of uncached allocations performed
// on behalf of this device
//
LIST_ENTRY UncachedAllocationList;
//
// Unique ID for this device instance: needed so that we can report unique
// segment/bus/device number for each device instance. Note that this number
// may change when disconnecting/reconnecting the driver.
//
UINTN UniqueId;
} NON_DISCOVERABLE_PCI_DEVICE;
/**
Initialize PciIo Protocol.
@param Device Point to NON_DISCOVERABLE_PCI_DEVICE instance.
**/
VOID
InitializePciIoProtocol (
NON_DISCOVERABLE_PCI_DEVICE *Device
);
extern EFI_COMPONENT_NAME_PROTOCOL gComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gComponentName2;
#endif
|
