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72765a93 | 1 | /** @file\r |
2 | This file declares FindFv PPI used to locate FVs that contain PEIMs in PEI\r | |
3 | \r | |
2bbaeb0d | 4 | Copyright (c) 2007 - 2009, Intel Corporation\r |
694b922c | 5 | All rights reserved. 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 | |
72765a93 | 9 | \r |
694b922c | 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 | |
72765a93 | 12 | \r |
13 | Module Name: FindFv.h\r | |
14 | \r | |
15 | @par Revision Reference:\r | |
16 | This PPI is defined in PEI CIS\r | |
17 | Version 0.91\r | |
18 | \r | |
19 | **/\r | |
20 | \r | |
694b922c | 21 | #ifndef _FIND_FV_H_\r |
22 | #define _FIND_FV_H_\r | |
23 | \r | |
0106da0f | 24 | #include <PiPei.h>\r |
72765a93 | 25 | \r |
3f17e6d7 LG |
26 | ///\r |
27 | /// Inconsistent with specification here: \r | |
28 | /// GUID value format has been changed to the standard guid format.\r | |
29 | ///\r | |
72765a93 | 30 | #define EFI_PEI_FIND_FV_PPI_GUID \\r |
31 | { \\r | |
32 | 0x36164812, 0xa023, 0x44e5, {0xbd, 0x85, 0x5, 0xbf, 0x3c, 0x77, 0x0, 0xaa } \\r | |
33 | }\r | |
34 | \r | |
35 | typedef struct _EFI_PEI_FIND_FV_PPI EFI_PEI_FIND_FV_PPI;\r | |
36 | \r | |
37 | /**\r | |
694b922c | 38 | This interface returns the base address of the firmware volume whose index\r |
39 | was passed in FvNumber.Once this function reports a firmware volume\r | |
72765a93 | 40 | index/base address pair, that index/address pairing must continue throughout PEI.\r |
41 | \r | |
42 | @param PeiServices Pointer to the PEI Services Table.\r | |
43 | @param This Interface pointer that implements the Find FV service.\r | |
44 | @param FvNumber The index of the firmware volume to locate.\r | |
45 | @param FvAddress The address of the volume to discover.\r | |
46 | \r | |
47 | @retval EFI_SUCCESS An additional firmware volume was found.\r | |
48 | @retval EFI_OUT_OF_RESOURCES There are no firmware volumes for the given FvNumber.\r | |
49 | @retval EFI_INVALID_PARAMETER *FvAddress is NULL.\r | |
50 | \r | |
51 | **/\r | |
52 | typedef\r | |
53 | EFI_STATUS\r | |
69686d56 | 54 | (EFIAPI *EFI_PEI_FIND_FV_FINDFV)(\r |
470d0b27 | 55 | IN EFI_PEI_FIND_FV_PPI *This,\r |
56 | IN EFI_PEI_SERVICES **PeiServices,\r | |
57 | IN UINT8 *FvNumber,\r | |
58 | IN OUT EFI_FIRMWARE_VOLUME_HEADER **FVAddress\r | |
72765a93 | 59 | );\r |
60 | \r | |
61 | /**\r | |
72765a93 | 62 | Hardware mechanisms for locating FVs in a platform vary widely.\r |
694b922c | 63 | EFI_PEI_FIND_FV_PPI serves to abstract this variation so that the\r |
72765a93 | 64 | PEI Foundation can remain standard across a wide variety of platforms.\r |
72765a93 | 65 | **/\r |
66 | struct _EFI_PEI_FIND_FV_PPI {\r | |
2bbaeb0d | 67 | EFI_PEI_FIND_FV_FINDFV FindFv; ///< Service that abstracts the location of additional firmware volumes.\r |
72765a93 | 68 | };\r |
69 | \r | |
70 | extern EFI_GUID gEfiFindFvPpiGuid;\r | |
71 | \r | |
72 | #endif\r |