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d1f95000 | 1 | /** @file\r |
c311f86b | 2 | \r |
4ca9b6c4 LG |
3 | The file defines the generic Service Binding Protocol functions.\r |
4 | It provides services that are required to create and destroy child \r | |
5 | handles that support a given set of protocols.\r | |
c311f86b | 6 | \r |
4ca9b6c4 | 7 | Copyright (c) 2006 - 2008, Intel Corporation \r |
d1f95000 | 8 | All rights reserved. This program and the accompanying materials \r |
9 | are licensed and made available under the terms and conditions of the BSD License \r | |
10 | which accompanies this distribution. The full text of the license may be found at \r | |
11 | http://opensource.org/licenses/bsd-license.php \r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
15 | \r | |
d1f95000 | 16 | **/\r |
17 | \r | |
18 | #ifndef __EFI_SERVICE_BINDING_H__\r | |
19 | #define __EFI_SERVICE_BINDING_H__\r | |
20 | \r | |
99e8ed21 | 21 | ///\r |
22 | /// Forward reference for pure ANSI compatability\r | |
23 | ///\r | |
d1f95000 | 24 | typedef struct _EFI_SERVICE_BINDING_PROTOCOL EFI_SERVICE_BINDING_PROTOCOL;\r |
25 | \r | |
26 | /**\r | |
27 | Creates a child handle with a set of I/O services.\r | |
28 | \r | |
29 | @param This Protocol instance pointer.\r | |
30 | @param ChildHandle Pointer to the handle of the child to create. If it is NULL,\r | |
31 | then a new handle is created. If it is not NULL, then the\r | |
32 | I/O services are added to the existing child handle.\r | |
33 | \r | |
34 | @retval EFI_SUCCES The child handle was created with the I/O services\r | |
35 | @retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r | |
36 | @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r | |
37 | the child\r | |
38 | @retval other The child handle was not created\r | |
39 | \r | |
40 | **/\r | |
41 | typedef\r | |
42 | EFI_STATUS\r | |
8b13229b | 43 | (EFIAPI *EFI_SERVICE_BINDING_CREATE_CHILD)(\r |
d1f95000 | 44 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r |
45 | IN OUT EFI_HANDLE *ChildHandle\r | |
ed66e1bc | 46 | );\r |
d1f95000 | 47 | \r |
48 | /**\r | |
49 | Destroys a child handle with a set of I/O services.\r | |
50 | \r | |
51 | @param This Protocol instance pointer.\r | |
52 | @param ChildHandle Handle of the child to destroy\r | |
53 | \r | |
54 | @retval EFI_SUCCES The I/O services were removed from the child handle\r | |
55 | @retval EFI_UNSUPPORTED The child handle does not support the I/O services\r | |
56 | that are being removed.\r | |
57 | @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r | |
58 | @retval EFI_ACCESS_DENIED The child handle could not be destroyed because its\r | |
59 | I/O services are being used.\r | |
60 | @retval other The child handle was not destroyed\r | |
61 | \r | |
62 | **/\r | |
63 | typedef\r | |
64 | EFI_STATUS\r | |
8b13229b | 65 | (EFIAPI *EFI_SERVICE_BINDING_DESTROY_CHILD)(\r |
d1f95000 | 66 | IN EFI_SERVICE_BINDING_PROTOCOL *This,\r |
67 | IN EFI_HANDLE ChildHandle\r | |
ed66e1bc | 68 | );\r |
d1f95000 | 69 | \r |
44717a39 | 70 | ///\r |
71 | /// The EFI_SERVICE_BINDING_PROTOCOL provides member functions to create and destroy \r | |
72 | /// child handles. A driver is responsible for adding protocols to the child handle \r | |
73 | /// in CreateChild() and removing protocols in DestroyChild(). It is also required \r | |
74 | /// that the CreateChild() function opens the parent protocol BY_CHILD_CONTROLLER \r | |
75 | /// to establish the parent-child relationship, and closes the protocol in DestroyChild().\r | |
76 | /// The pseudo code for CreateChild() and DestroyChild() is provided to specify the \r | |
77 | /// required behavior, not to specify the required implementation. Each consumer of \r | |
78 | /// a software protocol is responsible for calling CreateChild() when it requires the \r | |
79 | /// protocol and calling DestroyChild() when it is finished with that protocol.\r | |
80 | ///\r | |
d1f95000 | 81 | struct _EFI_SERVICE_BINDING_PROTOCOL {\r |
82 | EFI_SERVICE_BINDING_CREATE_CHILD CreateChild;\r | |
83 | EFI_SERVICE_BINDING_DESTROY_CHILD DestroyChild;\r | |
84 | };\r | |
85 | \r | |
86 | #endif\r |