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e65e8802 AP |
1 | /** @file\r |
2 | Function declaration and internal data for XenBusDxe.\r | |
3 | \r | |
4 | Copyright (C) 2014, Citrix Ltd.\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #ifndef __EFI_XENBUS_DXE_H__\r | |
17 | #define __EFI_XENBUS_DXE_H__\r | |
18 | \r | |
19 | #include <Uefi.h>\r | |
20 | \r | |
12a16f2d AP |
21 | //\r |
22 | // Xen interface version used\r | |
23 | //\r | |
24 | #define __XEN_INTERFACE_VERSION__ 0x00040400\r | |
25 | \r | |
e65e8802 AP |
26 | //\r |
27 | // Libraries\r | |
28 | //\r | |
29 | #include <Library/UefiBootServicesTableLib.h>\r | |
30 | #include <Library/MemoryAllocationLib.h>\r | |
31 | #include <Library/BaseMemoryLib.h>\r | |
32 | #include <Library/BaseLib.h>\r | |
33 | #include <Library/UefiLib.h>\r | |
34 | #include <Library/DevicePathLib.h>\r | |
35 | #include <Library/DebugLib.h>\r | |
36 | \r | |
37 | \r | |
38 | //\r | |
39 | // UEFI Driver Model Protocols\r | |
40 | //\r | |
41 | #include <Protocol/DriverBinding.h>\r | |
42 | \r | |
43 | \r | |
44 | //\r | |
45 | // Consumed Protocols\r | |
46 | //\r | |
47 | #include <Protocol/PciIo.h>\r | |
48 | \r | |
49 | \r | |
50 | //\r | |
51 | // Produced Protocols\r | |
52 | //\r | |
12a16f2d | 53 | #include <Protocol/XenBus.h>\r |
e65e8802 AP |
54 | \r |
55 | \r | |
56 | //\r | |
57 | // Driver Version\r | |
58 | //\r | |
59 | #define XENBUS_DXE_VERSION 0x00000010\r | |
60 | \r | |
61 | \r | |
62 | //\r | |
63 | // Protocol instances\r | |
64 | //\r | |
65 | extern EFI_DRIVER_BINDING_PROTOCOL gXenBusDxeDriverBinding;\r | |
66 | extern EFI_COMPONENT_NAME2_PROTOCOL gXenBusDxeComponentName2;\r | |
67 | extern EFI_COMPONENT_NAME_PROTOCOL gXenBusDxeComponentName;\r | |
68 | \r | |
69 | \r | |
70 | //\r | |
71 | // Include files with function prototypes\r | |
72 | //\r | |
73 | #include "DriverBinding.h"\r | |
74 | #include "ComponentName.h"\r | |
75 | \r | |
76 | //\r | |
77 | // Other stuff\r | |
78 | //\r | |
abcbbb14 AP |
79 | #include <IndustryStandard/Xen/xen.h>\r |
80 | \r | |
e65e8802 AP |
81 | #define PCI_VENDOR_ID_XEN 0x5853\r |
82 | #define PCI_DEVICE_ID_XEN_PLATFORM 0x0001\r | |
83 | \r | |
84 | \r | |
86d968e0 | 85 | typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;\r |
a154f420 AP |
86 | typedef struct _XENBUS_DEVICE XENBUS_DEVICE;\r |
87 | \r | |
88 | // Have the state of the driver.\r | |
89 | #define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')\r | |
90 | struct _XENBUS_DEVICE {\r | |
91 | UINT32 Signature;\r | |
92 | EFI_DRIVER_BINDING_PROTOCOL *This;\r | |
93 | EFI_HANDLE ControllerHandle;\r | |
956622c4 | 94 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
a154f420 | 95 | EFI_EVENT ExitBootEvent;\r |
86d968e0 AP |
96 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
97 | LIST_ENTRY ChildList;\r | |
abcbbb14 AP |
98 | \r |
99 | VOID *Hyperpage;\r | |
100 | shared_info_t *SharedInfo;\r | |
a154f420 AP |
101 | };\r |
102 | \r | |
86d968e0 AP |
103 | // There is one of this struct allocated for every child.\r |
104 | #define XENBUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('X', 'B', 'p', 'd')\r | |
105 | typedef struct {\r | |
106 | UINTN Signature;\r | |
107 | LIST_ENTRY Link;\r | |
108 | EFI_HANDLE Handle;\r | |
109 | XENBUS_PROTOCOL XenBusIo;\r | |
110 | XENBUS_DEVICE *Dev;\r | |
111 | XENBUS_DEVICE_PATH *DevicePath;\r | |
112 | } XENBUS_PRIVATE_DATA;\r | |
113 | \r | |
114 | #define XENBUS_PRIVATE_DATA_FROM_THIS(a) \\r | |
115 | CR (a, XENBUS_PRIVATE_DATA, XenBusIo, XENBUS_PRIVATE_DATA_SIGNATURE)\r | |
116 | #define XENBUS_PRIVATE_DATA_FROM_LINK(a) \\r | |
117 | CR (a, XENBUS_PRIVATE_DATA, Link, XENBUS_PRIVATE_DATA_SIGNATURE)\r | |
118 | \r | |
6342f1fe AP |
119 | /*\r |
120 | * Helpers\r | |
121 | */\r | |
122 | \r | |
123 | /**\r | |
124 | Atomically test and clear a bit.\r | |
125 | \r | |
126 | @param Bit Bit index to test in *Address\r | |
127 | @param Address The Address to the buffer that contain the bit to test.\r | |
128 | \r | |
129 | @return Value of the Bit before it was cleared.\r | |
130 | **/\r | |
131 | INT32\r | |
132 | EFIAPI\r | |
133 | TestAndClearBit (\r | |
134 | IN INT32 Bit,\r | |
135 | IN volatile VOID *Address\r | |
136 | );\r | |
137 | \r | |
02a6bcff AP |
138 | CHAR8*\r |
139 | AsciiStrDup (\r | |
140 | IN CONST CHAR8* Str\r | |
141 | );\r | |
142 | \r | |
e65e8802 | 143 | #endif\r |