| 1 | /** @file
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| 2 | Library class name: SmmLib
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| 3 |
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| 4 | SMM Library Services that abstracts both S/W SMI generation and detection.
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| 5 |
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| 6 | Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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| 7 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 8 |
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| 9 | **/
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| 10 |
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| 11 | #ifndef __SMM_LIB_H__
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| 12 | #define __SMM_LIB_H__
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| 13 |
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| 14 |
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| 15 | /**
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| 16 | Triggers an SMI at boot time.
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| 17 |
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| 18 | This function triggers a software SMM interrupt at boot time.
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| 19 |
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| 20 | **/
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| 21 | VOID
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| 22 | EFIAPI
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| 23 | TriggerBootServiceSoftwareSmi (
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| 24 | VOID
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| 25 | );
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| 26 |
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| 27 |
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| 28 | /**
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| 29 | Triggers an SMI at run time.
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| 30 |
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| 31 | This function triggers a software SMM interrupt at run time.
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| 32 |
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| 33 | **/
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| 34 | VOID
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| 35 | EFIAPI
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| 36 | TriggerRuntimeSoftwareSmi (
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| 37 | VOID
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| 38 | );
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| 39 |
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| 40 |
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| 41 | /**
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| 42 | Test if a boot time software SMI happened.
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| 43 |
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| 44 | This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
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| 45 | it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE.
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| 46 |
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| 47 | @retval TRUE A software SMI triggered at boot time happened.
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| 48 | @retval FLASE No software SMI happened, or the software SMI was triggered at run time.
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| 49 |
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| 50 | **/
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| 51 | BOOLEAN
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| 52 | EFIAPI
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| 53 | IsBootServiceSoftwareSmi (
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| 54 | VOID
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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 | Test if a run time software SMI happened.
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| 60 |
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| 61 | This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and
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| 62 | it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE.
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| 63 |
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| 64 | @retval TRUE A software SMI triggered at run time happened.
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| 65 | @retval FLASE No software SMI happened or the software SMI was triggered at boot time.
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| 66 |
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| 67 | **/
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| 68 | BOOLEAN
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| 69 | EFIAPI
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| 70 | IsRuntimeSoftwareSmi (
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| 71 | VOID
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| 72 | );
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| 73 |
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| 74 | /**
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| 75 | Clear APM SMI Status Bit; Set the EOS bit.
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| 76 |
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| 77 | **/
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| 78 | VOID
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| 79 | EFIAPI
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| 80 | ClearSmi (
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| 81 | VOID
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| 82 | );
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| 83 | #endif
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