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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 | |
b26f0cf9 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
e65e8802 AP |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #ifndef __EFI_XENBUS_DXE_H__\r | |
11 | #define __EFI_XENBUS_DXE_H__\r | |
12 | \r | |
13 | #include <Uefi.h>\r | |
14 | \r | |
15 | //\r | |
16 | // Libraries\r | |
17 | //\r | |
18 | #include <Library/UefiBootServicesTableLib.h>\r | |
19 | #include <Library/MemoryAllocationLib.h>\r | |
20 | #include <Library/BaseMemoryLib.h>\r | |
21 | #include <Library/BaseLib.h>\r | |
22 | #include <Library/UefiLib.h>\r | |
23 | #include <Library/DevicePathLib.h>\r | |
24 | #include <Library/DebugLib.h>\r | |
8f39d79d | 25 | #include <Library/PcdLib.h>\r |
e65e8802 AP |
26 | \r |
27 | \r | |
28 | //\r | |
29 | // UEFI Driver Model Protocols\r | |
30 | //\r | |
31 | #include <Protocol/DriverBinding.h>\r | |
32 | \r | |
33 | \r | |
34 | //\r | |
35 | // Consumed Protocols\r | |
36 | //\r | |
d9fdfd85 | 37 | #include <Protocol/XenIo.h>\r |
e65e8802 AP |
38 | \r |
39 | \r | |
40 | //\r | |
41 | // Produced Protocols\r | |
42 | //\r | |
12a16f2d | 43 | #include <Protocol/XenBus.h>\r |
e65e8802 AP |
44 | \r |
45 | \r | |
46 | //\r | |
47 | // Driver Version\r | |
48 | //\r | |
49 | #define XENBUS_DXE_VERSION 0x00000010\r | |
50 | \r | |
51 | \r | |
52 | //\r | |
53 | // Protocol instances\r | |
54 | //\r | |
55 | extern EFI_DRIVER_BINDING_PROTOCOL gXenBusDxeDriverBinding;\r | |
56 | extern EFI_COMPONENT_NAME2_PROTOCOL gXenBusDxeComponentName2;\r | |
57 | extern EFI_COMPONENT_NAME_PROTOCOL gXenBusDxeComponentName;\r | |
58 | \r | |
59 | \r | |
60 | //\r | |
61 | // Include files with function prototypes\r | |
62 | //\r | |
63 | #include "DriverBinding.h"\r | |
64 | #include "ComponentName.h"\r | |
65 | \r | |
66 | //\r | |
67 | // Other stuff\r | |
68 | //\r | |
abcbbb14 AP |
69 | #include <IndustryStandard/Xen/xen.h>\r |
70 | \r | |
86d968e0 | 71 | typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;\r |
a154f420 AP |
72 | typedef struct _XENBUS_DEVICE XENBUS_DEVICE;\r |
73 | \r | |
74 | // Have the state of the driver.\r | |
75 | #define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')\r | |
76 | struct _XENBUS_DEVICE {\r | |
77 | UINT32 Signature;\r | |
78 | EFI_DRIVER_BINDING_PROTOCOL *This;\r | |
79 | EFI_HANDLE ControllerHandle;\r | |
d9fdfd85 | 80 | XENIO_PROTOCOL *XenIo;\r |
a154f420 | 81 | EFI_EVENT ExitBootEvent;\r |
86d968e0 AP |
82 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
83 | LIST_ENTRY ChildList;\r | |
abcbbb14 | 84 | \r |
abcbbb14 | 85 | shared_info_t *SharedInfo;\r |
a154f420 AP |
86 | };\r |
87 | \r | |
86d968e0 AP |
88 | // There is one of this struct allocated for every child.\r |
89 | #define XENBUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('X', 'B', 'p', 'd')\r | |
90 | typedef struct {\r | |
91 | UINTN Signature;\r | |
92 | LIST_ENTRY Link;\r | |
93 | EFI_HANDLE Handle;\r | |
94 | XENBUS_PROTOCOL XenBusIo;\r | |
95 | XENBUS_DEVICE *Dev;\r | |
96 | XENBUS_DEVICE_PATH *DevicePath;\r | |
97 | } XENBUS_PRIVATE_DATA;\r | |
98 | \r | |
99 | #define XENBUS_PRIVATE_DATA_FROM_THIS(a) \\r | |
100 | CR (a, XENBUS_PRIVATE_DATA, XenBusIo, XENBUS_PRIVATE_DATA_SIGNATURE)\r | |
101 | #define XENBUS_PRIVATE_DATA_FROM_LINK(a) \\r | |
102 | CR (a, XENBUS_PRIVATE_DATA, Link, XENBUS_PRIVATE_DATA_SIGNATURE)\r | |
103 | \r | |
6342f1fe AP |
104 | /*\r |
105 | * Helpers\r | |
106 | */\r | |
107 | \r | |
108 | /**\r | |
109 | Atomically test and clear a bit.\r | |
110 | \r | |
111 | @param Bit Bit index to test in *Address\r | |
112 | @param Address The Address to the buffer that contain the bit to test.\r | |
113 | \r | |
114 | @return Value of the Bit before it was cleared.\r | |
115 | **/\r | |
116 | INT32\r | |
117 | EFIAPI\r | |
118 | TestAndClearBit (\r | |
119 | IN INT32 Bit,\r | |
e482753b | 120 | IN VOID *Address\r |
6342f1fe AP |
121 | );\r |
122 | \r | |
02a6bcff AP |
123 | CHAR8*\r |
124 | AsciiStrDup (\r | |
125 | IN CONST CHAR8* Str\r | |
126 | );\r | |
127 | \r | |
e65e8802 | 128 | #endif\r |