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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/** @file
Internal definitions for the VirtIo MMIO Device driver
Copyright (C) 2013, ARM Ltd
Copyright (C) 2017, AMD Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _VIRTIO_MMIO_DEVICE_INTERNAL_H_
#define _VIRTIO_MMIO_DEVICE_INTERNAL_H_
#include <Protocol/VirtioDevice.h>
#include <IndustryStandard/Virtio.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/UefiLib.h>
#include <Library/VirtioMmioDeviceLib.h>
#include <Library/MemoryAllocationLib.h>
#define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')
typedef struct {
UINT32 Signature;
VIRTIO_DEVICE_PROTOCOL VirtioDevice;
PHYSICAL_ADDRESS BaseAddress;
} VIRTIO_MMIO_DEVICE;
#define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \
CR (Device, VIRTIO_MMIO_DEVICE, VirtioDevice, VIRTIO_MMIO_DEVICE_SIGNATURE)
#define VIRTIO_CFG_WRITE(Device, Offset, Val) \
(MmioWrite32 (Device->BaseAddress + (Offset), Val))
#define VIRTIO_CFG_READ(Device, Offset) \
(MmioRead32 (Device->BaseAddress + (Offset)))
EFI_STATUS
EFIAPI
VirtioMmioDeviceRead (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINTN FieldOFfset,
IN UINTN FieldSize,
IN UINTN BufferSize,
OUT VOID* Buffer
);
EFI_STATUS
EFIAPI
VirtioMmioDeviceWrite (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINTN FieldOffset,
IN UINTN FieldSize,
IN UINT64 Value
);
EFI_STATUS
EFIAPI
VirtioMmioGetDeviceFeatures (
IN VIRTIO_DEVICE_PROTOCOL *This,
OUT UINT64 *DeviceFeatures
);
EFI_STATUS
EFIAPI
VirtioMmioGetQueueSize (
IN VIRTIO_DEVICE_PROTOCOL *This,
OUT UINT16 *QueueNumMax
);
EFI_STATUS
EFIAPI
VirtioMmioGetDeviceStatus (
IN VIRTIO_DEVICE_PROTOCOL *This,
OUT UINT8 *DeviceStatus
);
EFI_STATUS
EFIAPI
VirtioMmioSetQueueSize (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT16 QueueSize
);
EFI_STATUS
EFIAPI
VirtioMmioSetDeviceStatus (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT8 DeviceStatus
);
EFI_STATUS
EFIAPI
VirtioMmioSetQueueNotify (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT16 QueueNotify
);
EFI_STATUS
EFIAPI
VirtioMmioSetQueueSel (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT16 Sel
);
EFI_STATUS
EFIAPI
VirtioMmioSetQueueAddress (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN VRING *Ring,
IN UINT64 RingBaseShift
);
EFI_STATUS
EFIAPI
VirtioMmioSetQueueAlignment (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT32 Alignment
);
EFI_STATUS
EFIAPI
VirtioMmioSetPageSize (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT32 PageSize
);
EFI_STATUS
EFIAPI
VirtioMmioSetGuestFeatures (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINT64 Features
);
EFI_STATUS
EFIAPI
VirtioMmioAllocateSharedPages (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINTN NumPages,
OUT VOID **HostAddress
);
VOID
EFIAPI
VirtioMmioFreeSharedPages (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN UINTN NumPages,
IN VOID *HostAddress
);
EFI_STATUS
EFIAPI
VirtioMmioMapSharedBuffer (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN VIRTIO_MAP_OPERATION Operation,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
EFI_STATUS
EFIAPI
VirtioMmioUnmapSharedBuffer (
IN VIRTIO_DEVICE_PROTOCOL *This,
IN VOID *Mapping
);
#endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_
|
