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6fb4e772 OM |
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 | 7 | \r |
b26f0cf9 | 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
6fb4e772 OM |
9 | \r |
10 | **/\r | |
11 | \r | |
12 | #ifndef _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
13 | #define _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
14 | \r | |
15 | #include <Protocol/VirtioDevice.h>\r | |
16 | \r | |
17 | #include <IndustryStandard/Virtio.h>\r | |
18 | \r | |
19 | #include <Library/DebugLib.h>\r | |
20 | #include <Library/IoLib.h>\r | |
21 | #include <Library/UefiLib.h>\r | |
22 | #include <Library/VirtioMmioDeviceLib.h>\r | |
084cfc1a | 23 | #include <Library/MemoryAllocationLib.h>\r |
6fb4e772 | 24 | \r |
ac0a286f | 25 | #define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r |
08293e43 GH |
26 | #define VIRTIO_MMIO_DEVICE_VERSION_0_95 1\r |
27 | #define VIRTIO_MMIO_DEVICE_VERSION_1_00 2\r | |
28 | \r | |
6fb4e772 | 29 | typedef struct {\r |
ac0a286f MK |
30 | UINT32 Signature;\r |
31 | UINT32 Version;\r | |
32 | UINT16 QueueNum;\r | |
33 | VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r | |
34 | PHYSICAL_ADDRESS BaseAddress;\r | |
6fb4e772 OM |
35 | } VIRTIO_MMIO_DEVICE;\r |
36 | \r | |
37 | #define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r | |
38 | CR (Device, VIRTIO_MMIO_DEVICE, VirtioDevice, VIRTIO_MMIO_DEVICE_SIGNATURE)\r | |
39 | \r | |
40 | #define VIRTIO_CFG_WRITE(Device, Offset, Val) \\r | |
41 | (MmioWrite32 (Device->BaseAddress + (Offset), Val))\r | |
42 | #define VIRTIO_CFG_READ(Device, Offset) \\r | |
43 | (MmioRead32 (Device->BaseAddress + (Offset)))\r | |
44 | \r | |
45 | EFI_STATUS\r | |
46 | EFIAPI\r | |
47 | VirtioMmioDeviceRead (\r | |
ac0a286f MK |
48 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
49 | IN UINTN FieldOFfset,\r | |
50 | IN UINTN FieldSize,\r | |
51 | IN UINTN BufferSize,\r | |
52 | OUT VOID *Buffer\r | |
6fb4e772 OM |
53 | );\r |
54 | \r | |
55 | EFI_STATUS\r | |
56 | EFIAPI\r | |
57 | VirtioMmioDeviceWrite (\r | |
ac0a286f MK |
58 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
59 | IN UINTN FieldOffset,\r | |
60 | IN UINTN FieldSize,\r | |
61 | IN UINT64 Value\r | |
6fb4e772 OM |
62 | );\r |
63 | \r | |
64 | EFI_STATUS\r | |
65 | EFIAPI\r | |
66 | VirtioMmioGetDeviceFeatures (\r | |
ac0a286f MK |
67 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
68 | OUT UINT64 *DeviceFeatures\r | |
6fb4e772 OM |
69 | );\r |
70 | \r | |
6fb4e772 OM |
71 | EFI_STATUS\r |
72 | EFIAPI\r | |
73 | VirtioMmioGetQueueSize (\r | |
74 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
75 | OUT UINT16 *QueueNumMax\r | |
76 | );\r | |
77 | \r | |
78 | EFI_STATUS\r | |
79 | EFIAPI\r | |
80 | VirtioMmioGetDeviceStatus (\r | |
81 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
82 | OUT UINT8 *DeviceStatus\r | |
83 | );\r | |
84 | \r | |
85 | EFI_STATUS\r | |
86 | EFIAPI\r | |
87 | VirtioMmioSetQueueSize (\r | |
ac0a286f | 88 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 89 | IN UINT16 QueueSize\r |
6fb4e772 OM |
90 | );\r |
91 | \r | |
92 | EFI_STATUS\r | |
93 | EFIAPI\r | |
94 | VirtioMmioSetDeviceStatus (\r | |
ac0a286f | 95 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 96 | IN UINT8 DeviceStatus\r |
6fb4e772 OM |
97 | );\r |
98 | \r | |
99 | EFI_STATUS\r | |
100 | EFIAPI\r | |
101 | VirtioMmioSetQueueNotify (\r | |
ac0a286f | 102 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 103 | IN UINT16 QueueNotify\r |
6fb4e772 OM |
104 | );\r |
105 | \r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | VirtioMmioSetQueueSel (\r | |
ac0a286f | 109 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 110 | IN UINT16 Sel\r |
6fb4e772 OM |
111 | );\r |
112 | \r | |
113 | EFI_STATUS\r | |
75e9154f | 114 | EFIAPI\r |
6fb4e772 | 115 | VirtioMmioSetQueueAddress (\r |
07af4eee | 116 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
53a4c604 BS |
117 | IN VRING *Ring,\r |
118 | IN UINT64 RingBaseShift\r | |
6fb4e772 OM |
119 | );\r |
120 | \r | |
121 | EFI_STATUS\r | |
122 | EFIAPI\r | |
123 | VirtioMmioSetQueueAlignment (\r | |
ac0a286f | 124 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 125 | IN UINT32 Alignment\r |
6fb4e772 OM |
126 | );\r |
127 | \r | |
128 | EFI_STATUS\r | |
129 | EFIAPI\r | |
130 | VirtioMmioSetPageSize (\r | |
ac0a286f | 131 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 132 | IN UINT32 PageSize\r |
6fb4e772 OM |
133 | );\r |
134 | \r | |
135 | EFI_STATUS\r | |
136 | EFIAPI\r | |
137 | VirtioMmioSetGuestFeatures (\r | |
ac0a286f | 138 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
22701a3d | 139 | IN UINT64 Features\r |
6fb4e772 OM |
140 | );\r |
141 | \r | |
084cfc1a BS |
142 | EFI_STATUS\r |
143 | EFIAPI\r | |
144 | VirtioMmioAllocateSharedPages (\r | |
ac0a286f MK |
145 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
146 | IN UINTN NumPages,\r | |
147 | OUT VOID **HostAddress\r | |
084cfc1a BS |
148 | );\r |
149 | \r | |
150 | VOID\r | |
151 | EFIAPI\r | |
152 | VirtioMmioFreeSharedPages (\r | |
ac0a286f MK |
153 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
154 | IN UINTN NumPages,\r | |
155 | IN VOID *HostAddress\r | |
084cfc1a BS |
156 | );\r |
157 | \r | |
158 | EFI_STATUS\r | |
159 | EFIAPI\r | |
160 | VirtioMmioMapSharedBuffer (\r | |
ac0a286f MK |
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 | |
084cfc1a BS |
167 | );\r |
168 | \r | |
169 | EFI_STATUS\r | |
170 | EFIAPI\r | |
171 | VirtioMmioUnmapSharedBuffer (\r | |
ac0a286f MK |
172 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
173 | IN VOID *Mapping\r | |
084cfc1a BS |
174 | );\r |
175 | \r | |
6fb4e772 | 176 | #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r |