| 1 | /* $Id: TMInline.h 87774 2021-02-16 23:40:35Z vboxsync $ */
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| 2 | /** @file
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| 3 | * TM - Common Inlined functions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef VMM_INCLUDED_SRC_include_TMInline_h
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| 19 | #define VMM_INCLUDED_SRC_include_TMInline_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 |
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| 25 | /**
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| 26 | * Used to unlink a timer from the active list.
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| 27 | *
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| 28 | * @param pVM The cross context VM structure.
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| 29 | * @param pQueue The timer queue.
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| 30 | * @param pTimer The timer that needs linking.
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| 31 | *
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| 32 | * @remarks Called while owning the relevant queue lock.
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| 33 | */
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| 34 | DECL_FORCE_INLINE(void) tmTimerQueueUnlinkActive(PVMCC pVM, PTMTIMERQUEUE pQueue, PTMTIMER pTimer)
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| 35 | {
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| 36 | #ifdef VBOX_STRICT
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| 37 | TMTIMERSTATE const enmState = pTimer->enmState;
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| 38 | Assert( pTimer->enmClock == TMCLOCK_VIRTUAL_SYNC
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| 39 | ? enmState == TMTIMERSTATE_ACTIVE
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| 40 | : enmState == TMTIMERSTATE_PENDING_SCHEDULE || enmState == TMTIMERSTATE_PENDING_STOP_SCHEDULE);
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| 41 | #endif
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| 42 | RT_NOREF(pVM);
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| 43 |
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| 44 | const PTMTIMER pPrev = TMTIMER_GET_PREV(pTimer);
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| 45 | const PTMTIMER pNext = TMTIMER_GET_NEXT(pTimer);
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| 46 | if (pPrev)
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| 47 | TMTIMER_SET_NEXT(pPrev, pNext);
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| 48 | else
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| 49 | {
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| 50 | TMTIMER_SET_HEAD(pQueue, pNext);
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| 51 | pQueue->u64Expire = pNext ? pNext->u64Expire : INT64_MAX;
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| 52 | DBGFTRACE_U64_TAG(pVM, pQueue->u64Expire, "tmTimerQueueUnlinkActive");
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| 53 | }
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| 54 | if (pNext)
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| 55 | TMTIMER_SET_PREV(pNext, pPrev);
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| 56 | pTimer->offNext = 0;
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| 57 | pTimer->offPrev = 0;
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| 58 | }
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| 59 |
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| 60 |
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| 61 | /** @def TMTIMER_HANDLE_TO_PTR_RETURN_EX
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| 62 | * Converts a timer handle to a timer pointer, returning @a a_rcRet if the
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| 63 | * handle is invalid.
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| 64 | *
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| 65 | * @param a_pVM The cross context VM structure.
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| 66 | * @param a_hTimer The timer handle to translate.
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| 67 | * @param a_rcRet What to return on failure.
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| 68 | * @param a_pTimerVar The timer variable to assign the resulting pointer to.
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| 69 | */
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| 70 | #ifdef IN_RING3
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| 71 | # define TMTIMER_HANDLE_TO_PTR_RETURN_EX(a_pVM, a_hTimer, a_rcRet, a_pTimerVar) do { \
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| 72 | RT_NOREF(a_pVM); \
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| 73 | (a_pTimerVar) = (PTMTIMER)hTimer; \
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| 74 | AssertPtrReturn((a_pTimerVar), a_rcRet); \
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| 75 | AssertReturn((a_pTimerVar)->hSelf == a_hTimer, a_rcRet); \
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| 76 | } while (0)
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| 77 | #else
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| 78 | # define TMTIMER_HANDLE_TO_PTR_RETURN_EX(a_pVM, a_hTimer, a_rcRet, a_pTimerVar) do { \
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| 79 | (a_pTimerVar) = (PTMTIMER)MMHyperR3ToCC(pVM, (RTR3PTR)hTimer); \
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| 80 | AssertPtrReturn((a_pTimerVar), a_rcRet); \
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| 81 | AssertReturn((a_pTimerVar)->hSelf == a_hTimer, a_rcRet); \
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| 82 | Assert((a_pTimerVar)->fFlags & TMTIMER_FLAGS_RING0); \
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| 83 | } while (0)
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| 84 | #endif
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| 85 |
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| 86 | /** @def TMTIMER_HANDLE_TO_PTR_RETURN
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| 87 | * Converts a timer handle to a timer pointer, returning VERR_INVALID_HANDLE if
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| 88 | * invalid.
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| 89 | *
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| 90 | * @param a_pVM The cross context VM structure.
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| 91 | * @param a_hTimer The timer handle to translate.
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| 92 | * @param a_pTimerVar The timer variable to assign the resulting pointer to.
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| 93 | */
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| 94 | #define TMTIMER_HANDLE_TO_PTR_RETURN(a_pVM, a_hTimer, a_pTimerVar) \
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| 95 | TMTIMER_HANDLE_TO_PTR_RETURN_EX(a_pVM, a_hTimer, VERR_INVALID_HANDLE, a_pTimerVar)
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| 96 |
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| 97 | /** @def TMTIMER_HANDLE_TO_PTR_RETURN_VOID
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| 98 | * Converts a timer handle to a timer pointer, returning VERR_INVALID_HANDLE if
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| 99 | * invalid.
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| 100 | *
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| 101 | * @param a_pVM The cross context VM structure.
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| 102 | * @param a_hTimer The timer handle to translate.
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| 103 | * @param a_pTimerVar The timer variable to assign the resulting pointer to.
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| 104 | */
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| 105 | #ifdef IN_RING3
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| 106 | # define TMTIMER_HANDLE_TO_PTR_RETURN_VOID(a_pVM, a_hTimer, a_pTimerVar) do { \
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| 107 | RT_NOREF(a_pVM); \
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| 108 | (a_pTimerVar) = (PTMTIMER)hTimer; \
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| 109 | AssertPtrReturnVoid((a_pTimerVar)); \
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| 110 | AssertReturnVoid((a_pTimerVar)->hSelf == a_hTimer); \
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| 111 | } while (0)
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| 112 | #else
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| 113 | # define TMTIMER_HANDLE_TO_PTR_RETURN_VOID(a_pVM, a_hTimer, a_pTimerVar) do { \
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| 114 | (a_pTimerVar) = (PTMTIMER)MMHyperR3ToCC(pVM, (RTR3PTR)hTimer); \
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| 115 | AssertPtrReturnVoid((a_pTimerVar)); \
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| 116 | AssertReturnVoid((a_pTimerVar)->hSelf == a_hTimer); \
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| 117 | Assert((a_pTimerVar)->fFlags & TMTIMER_FLAGS_RING0); \
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| 118 | } while (0)
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| 119 | #endif
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| 120 |
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| 121 |
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| 122 | #endif /* !VMM_INCLUDED_SRC_include_TMInline_h */
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| 123 |
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