121 lines
2.5 KiB
C
121 lines
2.5 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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pch.h
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Abstract:
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This is the precompiled header for the ACPI NT subtree
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Author:
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Jason Clark (jasoncl)
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Environment:
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Kernel mode only.
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Revision History:
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--*/
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#ifndef _ACPI_IRQ_ARB_H_
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#define _ACPI_IRQ_ARB_H_
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typedef struct {
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ARBITER_INSTANCE ArbiterState;
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PDEVICE_OBJECT DeviceObject;
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} ACPI_ARBITER, *PACPI_ARBITER;
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typedef struct {
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SINGLE_LIST_ENTRY List;
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PDEVICE_OBJECT Pdo;
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} LINK_NODE_ATTACHED_DEVICES, *PLINK_NODE_ATTACHED_DEVICES;
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typedef struct {
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LIST_ENTRY List;
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ULONG ReferenceCount;
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LONG TempRefCount;
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PNSOBJ NameSpaceObject;
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ULONGLONG CurrentIrq;
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ULONGLONG TempIrq;
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UCHAR Flags;
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SINGLE_LIST_ENTRY AttachedDevices; // filled in only for debugging
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} LINK_NODE, *PLINK_NODE;
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#define LAST_PCI_IRQ_BUFFER_SIZE 10
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typedef struct {
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LIST_ENTRY LinkNodeHead;
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PNSOBJ CurrentLinkNode;
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PINT_ROUTE_INTERFACE_STANDARD InterruptRouting;
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ULONG LastPciIrqIndex;
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ULONGLONG LastPciIrq[LAST_PCI_IRQ_BUFFER_SIZE];
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} ARBITER_EXTENSION, *PARBITER_EXTENSION;
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typedef struct _VECTOR_BLOCK {
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union {
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struct {
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ULONG Vector;
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UCHAR Count;
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CHAR TempCount;
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UCHAR Flags;
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UCHAR TempFlags;
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} Entry;
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struct {
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ULONG Token;
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struct _VECTOR_BLOCK *Next;
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} Chain;
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};
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} VECTOR_BLOCK, *PVECTOR_BLOCK;
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#define TOKEN_VALUE 0x57575757
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#define EMPTY_BLOCK_VALUE 0x58585858
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#define VECTOR_HASH_TABLE_LENGTH 0x1f
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#define VECTOR_HASH_TABLE_WIDTH 2
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#define VECTOR_HASH_TABLE_SIZE (sizeof(VECTOR_BLOCK) \
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* VECTOR_HASH_TABLE_LENGTH \
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* VECTOR_HASH_TABLE_WIDTH)
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NTSTATUS
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AcpiInitIrqArbiter(
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PDEVICE_OBJECT RootFdo
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);
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NTSTATUS
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AcpiArbInitializePciRouting(
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PDEVICE_OBJECT PciPdo
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);
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NTSTATUS
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IrqArbRestoreIrqRouting(
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PFNACB CompletionHandler,
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PVOID CompletionContext
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);
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extern ACPI_ARBITER AcpiArbiter;
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extern BOOLEAN PciInterfacesInstantiated;
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#define PCI_PNP_ID "PNP0A03"
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#define LINK_NODE_PNP_ID "PNP0C0F"
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// Prototypes for stuff used by msi.c
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NTSTATUS
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GetVectorProperties(
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IN ULONG Vector,
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OUT UCHAR *Flags
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);
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NTSTATUS
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AcpiArbGetLinkNodeOptions(
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IN PNSOBJ LinkNode,
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IN OUT PCM_RESOURCE_LIST *LinkNodeIrqs,
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IN OUT UCHAR *Flags
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);
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#endif
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