154 lines
3 KiB
C
154 lines
3 KiB
C
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//
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// These are bit value flags
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//
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typedef enum AudioAllocateMemoryFlags {
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DEFAULT_MEMORY = 0x00, // Standard ExAllocatePool call
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ZERO_FILL_MEMORY = 0x01, // Zero the memory
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QUOTA_MEMORY = 0x02, // ExAllocatePoolWithQuota call
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LIMIT_MEMORY = 0x04, // Never allocation more then 1/4 Meg
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FIXED_MEMORY = 0x08, // Use locked memory
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PAGED_MEMORY = 0x10 // use pageable memory
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} AAMFLAGS;
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/*
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#define DEFAULT_MEMORY 0x00 // Standard ExAllocatePool call
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#define ZERO_FILL_MEMORY 0x01 // Zero the memory
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#define QUOTA_MEMORY 0x02 // ExAllocatePoolWithQuota call
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#define LIMIT_MEMORY 0x04 // Never allocation more then 1/4 Meg
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#define FIXED_MEMORY 0x08 // Use locked memory
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#define PAGED_MEMORY 0x10 // use pageable memory
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*/
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#define AudioAllocateMemory_Fixed(b,t,f,p) AudioAllocateMemory(b,t,f|FIXED_MEMORY,p)
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#define AudioAllocateMemory_Paged(b,t,f,p) AudioAllocateMemory(b,t,f|PAGED_MEMORY,p)
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NTSTATUS
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AudioAllocateMemory(
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IN SIZE_T bytes,
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IN ULONG tag,
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IN AAMFLAGS dwFlags,
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OUT PVOID *pptr
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);
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#define UNKNOWN_SIZE MAXULONG_PTR
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#define AudioFreeMemory_Unknown(pMem) AudioFreeMemory(UNKNOWN_SIZE, pMem)
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void
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AudioFreeMemory(
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IN SIZE_T bytes,
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OUT PVOID *pptr
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);
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//
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// Validation routines
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//
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#define AUDIO_BUGCHECK_CODE 0x000000AD
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#define AUDIO_NOT_AT_PASSIVE_LEVEL 0x00000000
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#define AUDIO_NOT_BELOW_DISPATCH_LEVEL 0x00000001
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#define AUDIO_INVALID_IRQL_LEVEL 0x00000002
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//
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// BugCheck AD
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// Param1: AUDIO_STRUCTURE_VALIDATION
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// Param2: ptr
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// Param3: ntstatus code
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//
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#define AUDIO_STRUCTURE_VALIDATION 0x00000003
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//
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// BugCheck AD
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// Param1: AUDIO_MEMORY_ALLOCATION_OVERWRITE
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// Param2: ptr
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//
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#define AUDIO_MEMORY_ALLOCATION_OVERWRITE 0x00000004
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//
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// BugCheck AD
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// Param1: AUDIO_NESTED_MUTEX_SITUATION
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// Param2: pkmutex
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// Param3: lMutexState
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//
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#define AUDIO_NESTED_MUTEX_SITUATION 0x00000005
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//
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// BugCheck AD
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// Param1: AUDIO_ABSURD_ALLOCATION_ATTEMPTED
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// Param2:
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// Param3:
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//
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#define AUDIO_ABSURD_ALLOCATION_ATTEMPTED 0x00000006
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//
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// Used to smoke out pre-emption issues on the checked build.
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//
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NTSYSAPI NTSTATUS NTAPI ZwYieldExecution (VOID);
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void
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PagedCode(
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void
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);
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#define PagedData PagedCode
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void
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ValidatePassiveLevel(
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void
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);
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void
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AudioPerformYield(
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void
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);
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#define AudioEnterMutex_Exclusive(pmutex) AudioEnterMutex(pmutex,TRUE)
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#define AudioEnterMutex_Nestable(pmutex) AudioEnterMutex(pmutex,FALSE)
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NTSTATUS
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AudioEnterMutex(
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IN PKMUTEX pmutex,
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IN BOOL bExclusive
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);
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void
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AudioLeaveMutex(
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IN PKMUTEX pmutex
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);
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void
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AudioObDereferenceObject(
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IN PVOID pvObject
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);
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void
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AudioIoCompleteRequest(
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IN PIRP pIrp,
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IN CCHAR PriorityBoost
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);
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#if 0
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void
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AudioEnterSpinLock(
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IN PKSPIN_LOCK pSpinLock,
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OUT PKIRQL pOldIrql
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);
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void
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AudioLeaveSpinLock(
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IN PKSPIN_LOCK pSpinLock,
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IN KIRQL OldIrql
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);
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NTSTATUS
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AudioIoCallDriver (
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IN PDEVICE_OBJECT pDevice,
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IN PIRP pIrp
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);
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#endif
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