| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame^] | 1 | /** @file
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| 2 | Rewrite the BootOrder NvVar based on QEMU's "bootorder" fw_cfg file --
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| 3 | include file.
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| 4 |
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| 5 | Copyright (C) 2012-2014, Red Hat, Inc.
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| 6 |
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| 7 | This program and the accompanying materials are licensed and made available
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| 8 | under the terms and conditions of the BSD License which accompanies this
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| 9 | distribution. The full text of the license may be found at
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| 10 | http://opensource.org/licenses/bsd-license.php
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| 11 |
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| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
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| 13 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 14 | **/
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| 15 |
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| 16 | #ifndef __QEMU_BOOT_ORDER_LIB_H__
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| 17 | #define __QEMU_BOOT_ORDER_LIB_H__
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| 18 |
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| 19 | #include <Uefi/UefiBaseType.h>
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| 20 | #include <Base.h>
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| 21 |
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| 22 |
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| 23 | /**
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| 24 |
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| 25 | Set the boot order based on configuration retrieved from QEMU.
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| 26 |
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| 27 | Attempt to retrieve the "bootorder" fw_cfg file from QEMU. Translate the
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| 28 | OpenFirmware device paths therein to UEFI device path fragments. Match the
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| 29 | translated fragments against BootOptionList, and rewrite the BootOrder NvVar
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| 30 | so that it corresponds to the order described in fw_cfg.
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| 31 |
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| 32 | @param[in] BootOptionList A boot option list, created with
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| 33 | BdsLibEnumerateAllBootOption ().
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| 34 |
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| 35 |
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| 36 | @retval RETURN_SUCCESS BootOrder NvVar rewritten.
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| 37 |
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| 38 | @retval RETURN_UNSUPPORTED QEMU's fw_cfg is not supported.
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| 39 |
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| 40 | @retval RETURN_NOT_FOUND Empty or nonexistent "bootorder" fw_cfg
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| 41 | file, or no match found between the
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| 42 | "bootorder" fw_cfg file and BootOptionList.
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| 43 |
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| 44 | @retval RETURN_INVALID_PARAMETER Parse error in the "bootorder" fw_cfg file.
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| 45 |
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| 46 | @retval RETURN_OUT_OF_RESOURCES Memory allocation failed.
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| 47 |
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| 48 | @return Values returned by gBS->LocateProtocol ()
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| 49 | or gRT->SetVariable ().
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| 50 |
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| 51 | **/
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| 52 | RETURN_STATUS
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| 53 | SetBootOrderFromQemu (
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| 54 | IN CONST LIST_ENTRY *BootOptionList
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| 55 | );
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| 56 |
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| 57 |
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| 58 | /**
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| 59 | Calculate the number of seconds we should be showing the FrontPage progress
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| 60 | bar for.
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| 61 |
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| 62 | @return The TimeoutDefault argument for PlatformBdsEnterFrontPage().
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| 63 | **/
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| 64 | UINT16
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| 65 | GetFrontPageTimeoutFromQemu (
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| 66 | VOID
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| 67 | );
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| 68 |
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| 69 | #endif
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