85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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ixpciir.h
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Abstract:
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This header file defines the private interfaces, defines and structures
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for Pci Irq Routing support.
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Author:
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Santosh Jodh (santoshj) 10-June-1998
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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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#include <pciirqmp.h>
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#define PCI_LINK_SIGNATURE 'KNLP'
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#define IsPciIrqRoutingEnabled() \
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(HalpPciIrqRoutingInfo.PciIrqRoutingTable && HalpPciIrqRoutingInfo.PciInterface)
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typedef struct _LINK_STATE LINK_STATE, *PLINK_STATE;
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typedef struct _LINK_NODE LINK_NODE, *PLINK_NODE;
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typedef struct _PCI_IRQ_ROUTING_INFO PCI_IRQ_ROUTING_INFO, *PPCI_IRQ_ROUTING_INFO;
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struct _LINK_STATE {
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ULONG Interrupt; // Interrupt for this link.
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ULONG RefCount; // Number of devices using this link.
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};
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struct _LINK_NODE {
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ULONG Signature; // Signature 'PLNK'.
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PLINK_NODE Next;
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ULONG Link; // Link value.
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ULONG InterruptMap; // Possible Irq map.
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PLINK_STATE Allocation;
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PLINK_STATE PossibleAllocation;
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};
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struct _PCI_IRQ_ROUTING_INFO {
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PPCI_IRQ_ROUTING_TABLE PciIrqRoutingTable;
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PINT_ROUTE_INTERFACE_STANDARD PciInterface;
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PLINK_NODE LinkNodeHead;
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ULONG Parameters;
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};
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NTSTATUS
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HalpInitPciIrqRouting (
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OUT PPCI_IRQ_ROUTING_INFO PciIrqRoutingInfo
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);
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NTSTATUS
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HalpFindLinkNode (
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IN PPCI_IRQ_ROUTING_INFO PciIrqRoutingInfo,
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IN PDEVICE_OBJECT Pdo,
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IN ULONG Bus,
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IN ULONG Slot,
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OUT PLINK_NODE *LinkNode
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);
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NTSTATUS
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HalpCommitLink (
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IN PLINK_NODE LinkNode
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);
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VOID
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HalpProgramInterruptLine (
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IN PPCI_IRQ_ROUTING_INFO PciIrqRoutingInfo,
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IN PDEVICE_OBJECT Pdo,
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IN ULONG Interrupt
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);
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extern PCI_IRQ_ROUTING_INFO HalpPciIrqRoutingInfo;
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