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1 | /** @file\r |
2 | \r | |
3 | Internal definitions for the VirtIo MMIO Device driver\r | |
4 | \r | |
5 | Copyright (C) 2013, ARM Ltd\r | |
084cfc1a | 6 | Copyright (C) 2017, AMD Inc. All rights reserved.<BR>\r |
6fb4e772 OM |
7 | \r |
8 | This program and the accompanying materials are licensed and made available\r | |
9 | under the terms and conditions of the BSD License which accompanies this\r | |
10 | distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r | |
14 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #ifndef _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
19 | #define _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
20 | \r | |
21 | #include <Protocol/VirtioDevice.h>\r | |
22 | \r | |
23 | #include <IndustryStandard/Virtio.h>\r | |
24 | \r | |
25 | #include <Library/DebugLib.h>\r | |
26 | #include <Library/IoLib.h>\r | |
27 | #include <Library/UefiLib.h>\r | |
28 | #include <Library/VirtioMmioDeviceLib.h>\r | |
084cfc1a | 29 | #include <Library/MemoryAllocationLib.h>\r |
6fb4e772 OM |
30 | \r |
31 | #define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r | |
32 | \r | |
33 | typedef struct {\r | |
34 | UINT32 Signature;\r | |
35 | VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r | |
36 | PHYSICAL_ADDRESS BaseAddress;\r | |
37 | } VIRTIO_MMIO_DEVICE;\r | |
38 | \r | |
39 | #define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r | |
40 | CR (Device, VIRTIO_MMIO_DEVICE, VirtioDevice, VIRTIO_MMIO_DEVICE_SIGNATURE)\r | |
41 | \r | |
42 | #define VIRTIO_CFG_WRITE(Device, Offset, Val) \\r | |
43 | (MmioWrite32 (Device->BaseAddress + (Offset), Val))\r | |
44 | #define VIRTIO_CFG_READ(Device, Offset) \\r | |
45 | (MmioRead32 (Device->BaseAddress + (Offset)))\r | |
46 | \r | |
47 | EFI_STATUS\r | |
48 | EFIAPI\r | |
49 | VirtioMmioDeviceRead (\r | |
50 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
51 | IN UINTN FieldOFfset,\r | |
52 | IN UINTN FieldSize,\r | |
53 | IN UINTN BufferSize,\r | |
54 | OUT VOID* Buffer\r | |
55 | );\r | |
56 | \r | |
57 | EFI_STATUS\r | |
58 | EFIAPI\r | |
59 | VirtioMmioDeviceWrite (\r | |
60 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
61 | IN UINTN FieldOffset,\r | |
62 | IN UINTN FieldSize,\r | |
63 | IN UINT64 Value\r | |
64 | );\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | EFIAPI\r | |
68 | VirtioMmioGetDeviceFeatures (\r | |
69 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 70 | OUT UINT64 *DeviceFeatures\r |
6fb4e772 OM |
71 | );\r |
72 | \r | |
6fb4e772 OM |
73 | EFI_STATUS\r |
74 | EFIAPI\r | |
75 | VirtioMmioGetQueueSize (\r | |
76 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
77 | OUT UINT16 *QueueNumMax\r | |
78 | );\r | |
79 | \r | |
80 | EFI_STATUS\r | |
81 | EFIAPI\r | |
82 | VirtioMmioGetDeviceStatus (\r | |
83 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
84 | OUT UINT8 *DeviceStatus\r | |
85 | );\r | |
86 | \r | |
87 | EFI_STATUS\r | |
88 | EFIAPI\r | |
89 | VirtioMmioSetQueueSize (\r | |
22701a3d BS |
90 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
91 | IN UINT16 QueueSize\r | |
6fb4e772 OM |
92 | );\r |
93 | \r | |
94 | EFI_STATUS\r | |
95 | EFIAPI\r | |
96 | VirtioMmioSetDeviceStatus (\r | |
22701a3d BS |
97 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
98 | IN UINT8 DeviceStatus\r | |
6fb4e772 OM |
99 | );\r |
100 | \r | |
101 | EFI_STATUS\r | |
102 | EFIAPI\r | |
103 | VirtioMmioSetQueueNotify (\r | |
22701a3d BS |
104 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
105 | IN UINT16 QueueNotify\r | |
6fb4e772 OM |
106 | );\r |
107 | \r | |
108 | EFI_STATUS\r | |
109 | EFIAPI\r | |
110 | VirtioMmioSetQueueSel (\r | |
22701a3d BS |
111 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
112 | IN UINT16 Sel\r | |
6fb4e772 OM |
113 | );\r |
114 | \r | |
115 | EFI_STATUS\r | |
116 | VirtioMmioSetQueueAddress (\r | |
07af4eee LE |
117 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
118 | IN VRING *Ring\r | |
6fb4e772 OM |
119 | );\r |
120 | \r | |
121 | EFI_STATUS\r | |
122 | EFIAPI\r | |
123 | VirtioMmioSetQueueAlignment (\r | |
22701a3d BS |
124 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
125 | IN UINT32 Alignment\r | |
6fb4e772 OM |
126 | );\r |
127 | \r | |
128 | EFI_STATUS\r | |
129 | EFIAPI\r | |
130 | VirtioMmioSetPageSize (\r | |
22701a3d BS |
131 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
132 | IN UINT32 PageSize\r | |
6fb4e772 OM |
133 | );\r |
134 | \r | |
135 | EFI_STATUS\r | |
136 | EFIAPI\r | |
137 | VirtioMmioSetGuestFeatures (\r | |
22701a3d BS |
138 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
139 | IN UINT64 Features\r | |
6fb4e772 OM |
140 | );\r |
141 | \r | |
084cfc1a BS |
142 | EFI_STATUS\r |
143 | EFIAPI\r | |
144 | VirtioMmioAllocateSharedPages (\r | |
145 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
146 | IN UINTN NumPages,\r | |
147 | OUT VOID **HostAddress\r | |
148 | );\r | |
149 | \r | |
150 | VOID\r | |
151 | EFIAPI\r | |
152 | VirtioMmioFreeSharedPages (\r | |
153 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
154 | IN UINTN NumPages,\r | |
155 | IN VOID *HostAddress\r | |
156 | );\r | |
157 | \r | |
158 | EFI_STATUS\r | |
159 | EFIAPI\r | |
160 | VirtioMmioMapSharedBuffer (\r | |
161 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
162 | IN VIRTIO_MAP_OPERATION Operation,\r | |
163 | IN VOID *HostAddress,\r | |
164 | IN OUT UINTN *NumberOfBytes,\r | |
165 | OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,\r | |
166 | OUT VOID **Mapping\r | |
167 | );\r | |
168 | \r | |
169 | EFI_STATUS\r | |
170 | EFIAPI\r | |
171 | VirtioMmioUnmapSharedBuffer (\r | |
172 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
173 | IN VOID *Mapping\r | |
174 | );\r | |
175 | \r | |
6fb4e772 | 176 | #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r |