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1/** @file\r
2\r
3 Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>\r
4\r
5 This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#ifndef __ANDROID_FASTBOOT_PLATFORM_H__\r
16#define __ANDROID_FASTBOOT_PLATFORM_H__\r
17\r
18extern EFI_GUID gAndroidFastbootPlatformProtocolGuid;\r
19\r
20/*\r
21 Protocol for platform-specific operations initiated by Android Fastboot.\r
22\r
23 Based on Fastboot Protocol version 0.4. See\r
24 system/core/fastboot/fastboot_protocol.txt in the AOSP source tree for more\r
25 info.\r
26\r
27 Doesn't support image verification.\r
28*/\r
29\r
30/*\r
31 Do any initialisation that needs to be done in order to be able to respond to\r
32 commands.\r
33\r
34 @retval EFI_SUCCESS Initialised successfully.\r
35 @retval !EFI_SUCCESS Error in initialisation.\r
36*/\r
37typedef\r
38EFI_STATUS\r
39(*FASTBOOT_PLATFORM_INIT) (\r
40 VOID\r
41 );\r
42\r
43/*\r
44 To be called when Fastboot is finished and we aren't rebooting or booting an\r
45 image. Undo initialisation, free resrouces.\r
46*/\r
47typedef\r
48VOID\r
49(*FASTBOOT_PLATFORM_UN_INIT) (\r
50 VOID\r
51 );\r
52\r
53/*\r
54 Flash the partition named (according to a platform-specific scheme)\r
55 PartitionName, with the image pointed to by Buffer, whose size is BufferSize.\r
56\r
57 @param[in] PartitionName Null-terminated name of partition to write.\r
58 @param[in] BufferSize Size of Buffer in byets.\r
59 @param[in] Buffer Data to write to partition.\r
60\r
61 @retval EFI_NOT_FOUND No such partition.\r
62 @retval EFI_DEVICE_ERROR Flashing failed.\r
63*/\r
64typedef\r
65EFI_STATUS\r
66(*FASTBOOT_PLATFORM_FLASH) (\r
67 IN CHAR8 *PartitionName,\r
68 IN UINTN BufferSize,\r
69 IN VOID *Buffer\r
70 );\r
71\r
72/*\r
73 Erase the partition named PartitionName.\r
74\r
75 @param[in] PartitionName Null-terminated name of partition to erase.\r
76\r
77 @retval EFI_NOT_FOUND No such partition.\r
78 @retval EFI_DEVICE_ERROR Erasing failed.\r
79*/\r
80typedef\r
81EFI_STATUS\r
82(*FASTBOOT_PLATFORM_ERASE) (\r
83 IN CHAR8 *PartitionName\r
84 );\r
85\r
86/*\r
87 If the variable referred to by Name exists, copy it (as a null-terminated\r
88 string) into Value. If it doesn't exist, put the Empty string in Value.\r
89\r
90 Variable names and values may not be larger than 60 bytes, excluding the\r
91 terminal null character. This is a limitation of the Fastboot protocol.\r
92\r
93 The Fastboot application will handle platform-nonspecific variables\r
94 (Currently "version" is the only one of these.)\r
95\r
96 @param[in] Name Null-terminated name of Fastboot variable to retrieve.\r
97 @param[out] Value Caller-allocated buffer for null-terminated value of\r
98 variable.\r
99\r
100 @retval EFI_SUCCESS The variable was retrieved, or it doesn't exist.\r
101 @retval EFI_DEVICE_ERROR There was an error looking up the variable. This\r
102 does _not_ include the variable not existing.\r
103*/\r
104typedef\r
105EFI_STATUS\r
106(*FASTBOOT_PLATFORM_GETVAR) (\r
107 IN CHAR8 *Name,\r
108 OUT CHAR8 *Value\r
109 );\r
110\r
111/*\r
112 React to an OEM-specific command.\r
113\r
114 Future versions of this function might want to allow the platform to do some\r
115 extra communication with the host. A way to do this would be to add a function\r
116 to the FASTBOOT_TRANSPORT_PROTOCOL that allows the implementation of\r
117 DoOemCommand to replace the ReceiveEvent with its own, and to restore the old\r
118 one when it's finished.\r
119\r
120 However at the moment although the specification allows it, the AOSP fastboot\r
121 host application doesn't handle receiving any data from the client, and it\r
122 doesn't support a data phase for OEM commands.\r
123\r
124 @param[in] Command Null-terminated command string.\r
125\r
126 @retval EFI_SUCCESS The command executed successfully.\r
127 @retval EFI_NOT_FOUND The command wasn't recognised.\r
128 @retval EFI_DEVICE_ERROR There was an error executing the command.\r
129*/\r
130typedef\r
131EFI_STATUS\r
132(*FASTBOOT_PLATFORM_OEM_COMMAND) (\r
133 IN CHAR8 *Command\r
134 );\r
135\r
136typedef struct _FASTBOOT_PLATFORM_PROTOCOL {\r
137 FASTBOOT_PLATFORM_INIT Init;\r
138 FASTBOOT_PLATFORM_UN_INIT UnInit;\r
139 FASTBOOT_PLATFORM_FLASH FlashPartition;\r
140 FASTBOOT_PLATFORM_ERASE ErasePartition;\r
141 FASTBOOT_PLATFORM_GETVAR GetVar;\r
142 FASTBOOT_PLATFORM_OEM_COMMAND DoOemCommand;\r
143} FASTBOOT_PLATFORM_PROTOCOL;\r
144\r
145#endif\r