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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 OM |
24 | \r |
25 | #define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r | |
26 | \r | |
27 | typedef struct {\r | |
28 | UINT32 Signature;\r | |
29 | VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r | |
30 | PHYSICAL_ADDRESS BaseAddress;\r | |
31 | } VIRTIO_MMIO_DEVICE;\r | |
32 | \r | |
33 | #define VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r | |
34 | CR (Device, VIRTIO_MMIO_DEVICE, VirtioDevice, VIRTIO_MMIO_DEVICE_SIGNATURE)\r | |
35 | \r | |
36 | #define VIRTIO_CFG_WRITE(Device, Offset, Val) \\r | |
37 | (MmioWrite32 (Device->BaseAddress + (Offset), Val))\r | |
38 | #define VIRTIO_CFG_READ(Device, Offset) \\r | |
39 | (MmioRead32 (Device->BaseAddress + (Offset)))\r | |
40 | \r | |
41 | EFI_STATUS\r | |
42 | EFIAPI\r | |
43 | VirtioMmioDeviceRead (\r | |
44 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
45 | IN UINTN FieldOFfset,\r | |
46 | IN UINTN FieldSize,\r | |
47 | IN UINTN BufferSize,\r | |
48 | OUT VOID* Buffer\r | |
49 | );\r | |
50 | \r | |
51 | EFI_STATUS\r | |
52 | EFIAPI\r | |
53 | VirtioMmioDeviceWrite (\r | |
54 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
55 | IN UINTN FieldOffset,\r | |
56 | IN UINTN FieldSize,\r | |
57 | IN UINT64 Value\r | |
58 | );\r | |
59 | \r | |
60 | EFI_STATUS\r | |
61 | EFIAPI\r | |
62 | VirtioMmioGetDeviceFeatures (\r | |
63 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 64 | OUT UINT64 *DeviceFeatures\r |
6fb4e772 OM |
65 | );\r |
66 | \r | |
6fb4e772 OM |
67 | EFI_STATUS\r |
68 | EFIAPI\r | |
69 | VirtioMmioGetQueueSize (\r | |
70 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
71 | OUT UINT16 *QueueNumMax\r | |
72 | );\r | |
73 | \r | |
74 | EFI_STATUS\r | |
75 | EFIAPI\r | |
76 | VirtioMmioGetDeviceStatus (\r | |
77 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
78 | OUT UINT8 *DeviceStatus\r | |
79 | );\r | |
80 | \r | |
81 | EFI_STATUS\r | |
82 | EFIAPI\r | |
83 | VirtioMmioSetQueueSize (\r | |
22701a3d BS |
84 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
85 | IN UINT16 QueueSize\r | |
6fb4e772 OM |
86 | );\r |
87 | \r | |
88 | EFI_STATUS\r | |
89 | EFIAPI\r | |
90 | VirtioMmioSetDeviceStatus (\r | |
22701a3d BS |
91 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
92 | IN UINT8 DeviceStatus\r | |
6fb4e772 OM |
93 | );\r |
94 | \r | |
95 | EFI_STATUS\r | |
96 | EFIAPI\r | |
97 | VirtioMmioSetQueueNotify (\r | |
22701a3d BS |
98 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
99 | IN UINT16 QueueNotify\r | |
6fb4e772 OM |
100 | );\r |
101 | \r | |
102 | EFI_STATUS\r | |
103 | EFIAPI\r | |
104 | VirtioMmioSetQueueSel (\r | |
22701a3d BS |
105 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
106 | IN UINT16 Sel\r | |
6fb4e772 OM |
107 | );\r |
108 | \r | |
109 | EFI_STATUS\r | |
110 | VirtioMmioSetQueueAddress (\r | |
07af4eee | 111 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
53a4c604 BS |
112 | IN VRING *Ring,\r |
113 | IN UINT64 RingBaseShift\r | |
6fb4e772 OM |
114 | );\r |
115 | \r | |
116 | EFI_STATUS\r | |
117 | EFIAPI\r | |
118 | VirtioMmioSetQueueAlignment (\r | |
22701a3d BS |
119 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
120 | IN UINT32 Alignment\r | |
6fb4e772 OM |
121 | );\r |
122 | \r | |
123 | EFI_STATUS\r | |
124 | EFIAPI\r | |
125 | VirtioMmioSetPageSize (\r | |
22701a3d BS |
126 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
127 | IN UINT32 PageSize\r | |
6fb4e772 OM |
128 | );\r |
129 | \r | |
130 | EFI_STATUS\r | |
131 | EFIAPI\r | |
132 | VirtioMmioSetGuestFeatures (\r | |
22701a3d BS |
133 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
134 | IN UINT64 Features\r | |
6fb4e772 OM |
135 | );\r |
136 | \r | |
084cfc1a BS |
137 | EFI_STATUS\r |
138 | EFIAPI\r | |
139 | VirtioMmioAllocateSharedPages (\r | |
140 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
141 | IN UINTN NumPages,\r | |
142 | OUT VOID **HostAddress\r | |
143 | );\r | |
144 | \r | |
145 | VOID\r | |
146 | EFIAPI\r | |
147 | VirtioMmioFreeSharedPages (\r | |
148 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
149 | IN UINTN NumPages,\r | |
150 | IN VOID *HostAddress\r | |
151 | );\r | |
152 | \r | |
153 | EFI_STATUS\r | |
154 | EFIAPI\r | |
155 | VirtioMmioMapSharedBuffer (\r | |
156 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
157 | IN VIRTIO_MAP_OPERATION Operation,\r | |
158 | IN VOID *HostAddress,\r | |
159 | IN OUT UINTN *NumberOfBytes,\r | |
160 | OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,\r | |
161 | OUT VOID **Mapping\r | |
162 | );\r | |
163 | \r | |
164 | EFI_STATUS\r | |
165 | EFIAPI\r | |
166 | VirtioMmioUnmapSharedBuffer (\r | |
167 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
168 | IN VOID *Mapping\r | |
169 | );\r | |
170 | \r | |
6fb4e772 | 171 | #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r |