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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 | |
6 | \r | |
7 | This program and the accompanying materials are licensed and made available\r | |
8 | under the terms and conditions of the BSD License which accompanies this\r | |
9 | distribution. The full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r | |
13 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #ifndef _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
18 | #define _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r | |
19 | \r | |
20 | #include <Protocol/VirtioDevice.h>\r | |
21 | \r | |
22 | #include <IndustryStandard/Virtio.h>\r | |
23 | \r | |
24 | #include <Library/DebugLib.h>\r | |
25 | #include <Library/IoLib.h>\r | |
26 | #include <Library/UefiLib.h>\r | |
27 | #include <Library/VirtioMmioDeviceLib.h>\r | |
28 | \r | |
29 | #define VIRTIO_MMIO_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'M', 'I', 'O')\r | |
30 | \r | |
31 | typedef struct {\r | |
32 | UINT32 Signature;\r | |
33 | VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r | |
34 | PHYSICAL_ADDRESS BaseAddress;\r | |
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 | |
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 | |
53 | );\r | |
54 | \r | |
55 | EFI_STATUS\r | |
56 | EFIAPI\r | |
57 | VirtioMmioDeviceWrite (\r | |
58 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
59 | IN UINTN FieldOffset,\r | |
60 | IN UINTN FieldSize,\r | |
61 | IN UINT64 Value\r | |
62 | );\r | |
63 | \r | |
64 | EFI_STATUS\r | |
65 | EFIAPI\r | |
66 | VirtioMmioGetDeviceFeatures (\r | |
67 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 68 | OUT UINT64 *DeviceFeatures\r |
6fb4e772 OM |
69 | );\r |
70 | \r | |
71 | EFI_STATUS\r | |
72 | EFIAPI\r | |
73 | VirtioMmioGetQueueAddress (\r | |
74 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
75 | OUT UINT32 *QueueAddress\r | |
76 | );\r | |
77 | \r | |
78 | EFI_STATUS\r | |
79 | EFIAPI\r | |
80 | VirtioMmioGetQueueSize (\r | |
81 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
82 | OUT UINT16 *QueueNumMax\r | |
83 | );\r | |
84 | \r | |
85 | EFI_STATUS\r | |
86 | EFIAPI\r | |
87 | VirtioMmioGetDeviceStatus (\r | |
88 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
89 | OUT UINT8 *DeviceStatus\r | |
90 | );\r | |
91 | \r | |
92 | EFI_STATUS\r | |
93 | EFIAPI\r | |
94 | VirtioMmioSetQueueSize (\r | |
95 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
96 | UINT16 QueueSize\r | |
97 | );\r | |
98 | \r | |
99 | EFI_STATUS\r | |
100 | EFIAPI\r | |
101 | VirtioMmioSetDeviceStatus (\r | |
102 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
103 | UINT8 DeviceStatus\r | |
104 | );\r | |
105 | \r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | VirtioMmioSetQueueNotify (\r | |
109 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
110 | UINT16 QueueNotify\r | |
111 | );\r | |
112 | \r | |
113 | EFI_STATUS\r | |
114 | EFIAPI\r | |
115 | VirtioMmioSetQueueSel (\r | |
116 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
117 | UINT16 Sel\r | |
118 | );\r | |
119 | \r | |
120 | EFI_STATUS\r | |
121 | VirtioMmioSetQueueAddress (\r | |
122 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
123 | UINT32 Address\r | |
124 | );\r | |
125 | \r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | VirtioMmioSetQueueAlignment (\r | |
129 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
130 | UINT32 Alignment\r | |
131 | );\r | |
132 | \r | |
133 | EFI_STATUS\r | |
134 | EFIAPI\r | |
135 | VirtioMmioSetPageSize (\r | |
136 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
137 | UINT32 PageSize\r | |
138 | );\r | |
139 | \r | |
140 | EFI_STATUS\r | |
141 | EFIAPI\r | |
142 | VirtioMmioSetGuestFeatures (\r | |
143 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 144 | UINT64 Features\r |
6fb4e772 OM |
145 | );\r |
146 | \r | |
147 | #endif // _VIRTIO_MMIO_DEVICE_INTERNAL_H_\r |