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114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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* PROJECT: ReactOS PCI Bus Driver
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* LICENSE: BSD - See COPYING.ARM in the top level directory
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* FILE: drivers/bus/pci/pcivrify.c
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* PURPOSE: PCI Driver Verifier Support
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* PROGRAMMERS: ReactOS Portable Systems Group
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*/
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/* INCLUDES *******************************************************************/
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#include <pci.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS ********************************************************************/
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BOOLEAN PciVerifierRegistered;
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PVOID PciVerifierNotificationHandle;
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PCI_VERIFIER_DATA PciVerifierFailureTable[PCI_VERIFIER_CODES] =
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{
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{
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1,
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VFFAILURE_FAIL_LOGO,
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0,
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"The BIOS has reprogrammed the bus numbers of an active PCI device "
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"(!devstack %DevObj) during a dock or undock!"
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},
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{
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2,
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VFFAILURE_FAIL_LOGO,
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0,
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"A device in the system did not update it's PMCSR register in the spec "
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"mandated time (!devstack %DevObj, Power state D%Ulong)"
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},
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{
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3,
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VFFAILURE_FAIL_LOGO,
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0,
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"A driver controlling a PCI device has tried to access OS controlled "
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"configuration space registers (!devstack %DevObj, Offset 0x%Ulong1, "
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"Length 0x%Ulong2)"
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},
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{
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4,
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VFFAILURE_FAIL_UNDER_DEBUGGER,
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0,
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"A driver controlling a PCI device has tried to read or write from an "
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"invalid space using IRP_MN_READ/WRITE_CONFIG or via BUS_INTERFACE_STANDARD."
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" NB: These functions take WhichSpace parameters of the form PCI_WHICHSPACE_*"
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" and not a BUS_DATA_TYPE (!devstack %DevObj, WhichSpace 0x%Ulong1)"
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},
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};
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/* FUNCTIONS ******************************************************************/
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PPCI_VERIFIER_DATA
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NTAPI
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PciVerifierRetrieveFailureData(IN ULONG FailureCode)
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{
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PPCI_VERIFIER_DATA VerifierData;
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/* Scan the verifier failure table for this code */
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VerifierData = PciVerifierFailureTable;
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while (VerifierData->FailureCode != FailureCode)
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{
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/* Keep searching */
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++VerifierData;
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ASSERT(VerifierData < &PciVerifierFailureTable[PCI_VERIFIER_CODES]);
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}
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/* Return the entry for this code */
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return VerifierData;
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}
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DRIVER_NOTIFICATION_CALLBACK_ROUTINE PciVerifierProfileChangeCallback;
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NTSTATUS
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NTAPI
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PciVerifierProfileChangeCallback(IN PVOID NotificationStructure,
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IN PVOID Context)
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{
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UNREFERENCED_PARAMETER(NotificationStructure);
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UNREFERENCED_PARAMETER(Context);
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/* This function is not yet implemented */
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UNIMPLEMENTED_DBGBREAK();
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return STATUS_SUCCESS;
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}
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VOID
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NTAPI
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PciVerifierInit(IN PDRIVER_OBJECT DriverObject)
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{
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NTSTATUS Status;
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/* Check if the kernel driver verifier is enabled */
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if (VfIsVerificationEnabled(VFOBJTYPE_SYSTEM_BIOS, NULL))
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{
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/* Register a notification for changes, to keep track of the PCI tree */
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Status = IoRegisterPlugPlayNotification(EventCategoryHardwareProfileChange,
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0,
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NULL,
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DriverObject,
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PciVerifierProfileChangeCallback,
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NULL,
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&PciVerifierNotificationHandle);
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if (NT_SUCCESS(Status)) PciVerifierRegistered = TRUE;
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}
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}
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/* EOF */
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