projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |
| 72765a93 | 13 | @par Revision Reference:\r |
| 14 | This PPI is defined in PEI CIS\r | |
| 15 | Version 0.91\r | |
| 16 | \r | |
| 17 | **/\r | |
| 18 | \r | |
| 694b922c | 19 | #ifndef _FIND_FV_H_\r |
| 20 | #define _FIND_FV_H_\r | |
| 21 | \r | |
| 3f17e6d7 LG |
22 | ///\r |
| 23 | /// Inconsistent with specification here: \r | |
| 5259c97d | 24 | /// GUID value format has been changed to the standard GUID format.\r |
| 3f17e6d7 | 25 | ///\r |
| 72765a93 | 26 | #define EFI_PEI_FIND_FV_PPI_GUID \\r |
| 27 | { \\r | |
| 28 | 0x36164812, 0xa023, 0x44e5, {0xbd, 0x85, 0x5, 0xbf, 0x3c, 0x77, 0x0, 0xaa } \\r | |
| 29 | }\r | |
| 30 | \r | |
| 31 | typedef struct _EFI_PEI_FIND_FV_PPI EFI_PEI_FIND_FV_PPI;\r | |
| 32 | \r | |
| 33 | /**\r | |
| 694b922c | 34 | This interface returns the base address of the firmware volume whose index\r |
| 5259c97d | 35 | was passed in FvNumber. Once this function reports a firmware volume\r |
| 72765a93 | 36 | index/base address pair, that index/address pairing must continue throughout PEI.\r |
| 37 | \r | |
| 38 | @param PeiServices Pointer to the PEI Services Table.\r | |
| 39 | @param This Interface pointer that implements the Find FV service.\r | |
| 40 | @param FvNumber The index of the firmware volume to locate.\r | |
| 41 | @param FvAddress The address of the volume to discover.\r | |
| 42 | \r | |
| 43 | @retval EFI_SUCCESS An additional firmware volume was found.\r | |
| 44 | @retval EFI_OUT_OF_RESOURCES There are no firmware volumes for the given FvNumber.\r | |
| 45 | @retval EFI_INVALID_PARAMETER *FvAddress is NULL.\r | |
| 46 | \r | |
| 47 | **/\r | |
| 48 | typedef\r | |
| 49 | EFI_STATUS\r | |
| 69686d56 | 50 | (EFIAPI *EFI_PEI_FIND_FV_FINDFV)(\r |
| 470d0b27 | 51 | IN EFI_PEI_FIND_FV_PPI *This,\r |
| 52 | IN EFI_PEI_SERVICES **PeiServices,\r | |
| 53 | IN UINT8 *FvNumber,\r | |
| 54 | IN OUT EFI_FIRMWARE_VOLUME_HEADER **FVAddress\r | |
| 72765a93 | 55 | );\r |
| 56 | \r | |
| 57 | /**\r | |
| 72765a93 | 58 | Hardware mechanisms for locating FVs in a platform vary widely.\r |
| 694b922c | 59 | EFI_PEI_FIND_FV_PPI serves to abstract this variation so that the\r |
| 72765a93 | 60 | PEI Foundation can remain standard across a wide variety of platforms.\r |
| 72765a93 | 61 | **/\r |
| 62 | struct _EFI_PEI_FIND_FV_PPI {\r | |
| 2bbaeb0d | 63 | EFI_PEI_FIND_FV_FINDFV FindFv; ///< Service that abstracts the location of additional firmware volumes.\r |
| 72765a93 | 64 | };\r |
| 65 | \r | |
| 66 | extern EFI_GUID gEfiFindFvPpiGuid;\r | |
| 67 | \r | |
| 68 | #endif\r |