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1 | /** @file\r |
2 | \r | |
3 | Internal definitions for the VirtIo PCI 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_PCI_DEVICE_DXE_H_\r | |
18 | #define _VIRTIO_PCI_DEVICE_DXE_H_\r | |
19 | \r | |
20 | #include <Protocol/ComponentName.h>\r | |
21 | #include <Protocol/DriverBinding.h>\r | |
22 | #include <Protocol/PciIo.h>\r | |
23 | #include <Protocol/VirtioDevice.h>\r | |
24 | \r | |
25 | #include <IndustryStandard/Virtio.h>\r | |
26 | \r | |
27 | #define VIRTIO_PCI_DEVICE_SIGNATURE SIGNATURE_32 ('V', 'P', 'C', 'I')\r | |
28 | \r | |
29 | typedef struct {\r | |
30 | UINT32 Signature;\r | |
31 | VIRTIO_DEVICE_PROTOCOL VirtioDevice;\r | |
32 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
33 | UINT64 OriginalPciAttributes;\r | |
34 | UINT32 DeviceSpecificConfigurationOffset;\r | |
35 | } VIRTIO_PCI_DEVICE;\r | |
36 | \r | |
37 | #define VIRTIO_PCI_DEVICE_FROM_VIRTIO_DEVICE(Device) \\r | |
38 | CR (Device, VIRTIO_PCI_DEVICE, VirtioDevice, VIRTIO_PCI_DEVICE_SIGNATURE)\r | |
39 | \r | |
40 | \r | |
41 | EFI_STATUS\r | |
42 | EFIAPI\r | |
43 | VirtioPciIoRead (\r | |
44 | IN VIRTIO_PCI_DEVICE *Dev,\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 | VirtioPciIoWrite (\r | |
54 | IN VIRTIO_PCI_DEVICE *Dev,\r | |
55 | IN UINTN FieldOffset,\r | |
56 | IN UINTN FieldSize,\r | |
57 | IN UINT64 Value\r | |
58 | );\r | |
59 | \r | |
60 | /********************************************\r | |
61 | * PCI Functions for VIRTIO_DEVICE_PROTOCOL\r | |
62 | *******************************************/\r | |
63 | EFI_STATUS\r | |
64 | EFIAPI\r | |
65 | VirtioPciDeviceRead (\r | |
66 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
67 | IN UINTN FieldOffset,\r | |
68 | IN UINTN FieldSize,\r | |
69 | IN UINTN BufferSize,\r | |
70 | OUT VOID *Buffer\r | |
71 | );\r | |
72 | \r | |
73 | EFI_STATUS\r | |
74 | EFIAPI\r | |
75 | VirtioPciDeviceWrite (\r | |
76 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
77 | IN UINTN FieldOffset,\r | |
78 | IN UINTN FieldSize,\r | |
79 | IN UINT64 Value\r | |
80 | );\r | |
81 | \r | |
82 | EFI_STATUS\r | |
83 | EFIAPI\r | |
84 | VirtioPciGetDeviceFeatures (\r | |
85 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 86 | OUT UINT64 *DeviceFeatures\r |
3bb56c06 OM |
87 | );\r |
88 | \r | |
3bb56c06 OM |
89 | EFI_STATUS\r |
90 | EFIAPI\r | |
91 | VirtioPciGetQueueSize (\r | |
92 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
93 | OUT UINT16 *QueueNumMax\r | |
94 | );\r | |
95 | \r | |
96 | EFI_STATUS\r | |
97 | EFIAPI\r | |
98 | VirtioPciSetQueueAlignment (\r | |
99 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
100 | UINT32 Alignment\r | |
101 | );\r | |
102 | \r | |
103 | EFI_STATUS\r | |
104 | EFIAPI\r | |
105 | VirtioPciSetPageSize (\r | |
106 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
107 | UINT32 PageSize\r | |
108 | );\r | |
109 | \r | |
110 | EFI_STATUS\r | |
111 | EFIAPI\r | |
112 | VirtioPciGetDeviceStatus (\r | |
113 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
114 | OUT UINT8 *DeviceStatus\r | |
115 | );\r | |
116 | \r | |
117 | EFI_STATUS\r | |
118 | EFIAPI\r | |
119 | VirtioPciSetGuestFeatures (\r | |
120 | IN VIRTIO_DEVICE_PROTOCOL *This,\r | |
bc8fde6f | 121 | IN UINT64 Features\r |
3bb56c06 OM |
122 | );\r |
123 | \r | |
124 | EFI_STATUS\r | |
125 | EFIAPI\r | |
126 | VirtioPciSetQueueAddress (\r | |
07af4eee LE |
127 | IN VIRTIO_DEVICE_PROTOCOL *This,\r |
128 | IN VRING *Ring\r | |
3bb56c06 OM |
129 | );\r |
130 | \r | |
131 | EFI_STATUS\r | |
132 | EFIAPI\r | |
133 | VirtioPciSetQueueSel (\r | |
134 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
135 | UINT16 Sel\r | |
136 | );\r | |
137 | \r | |
138 | EFI_STATUS\r | |
139 | EFIAPI\r | |
140 | VirtioPciSetQueueNotify (\r | |
141 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
142 | UINT16 Index\r | |
143 | );\r | |
144 | \r | |
145 | EFI_STATUS\r | |
146 | EFIAPI\r | |
147 | VirtioPciSetQueueSize (\r | |
148 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
149 | UINT16 Size\r | |
150 | );\r | |
151 | \r | |
152 | EFI_STATUS\r | |
153 | EFIAPI\r | |
154 | VirtioPciSetDeviceStatus (\r | |
155 | VIRTIO_DEVICE_PROTOCOL *This,\r | |
156 | UINT8 DeviceStatus\r | |
157 | );\r | |
158 | \r | |
159 | #endif // _VIRTIO_PCI_DEVICE_DXE_H_\r |