Leaked source code of windows server 2003
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/*++
Copyright (c) 1997-2000 Microsoft Corporation
Module Name:
debug.c
Abstract:
This module contains debug functions for PCI.SYS.
Author:
Peter Johnston (peterj) 12-Feb-1997
Revision History:
--*/
#include "pcip.h"
PUCHAR
PciDebugInterfaceTypeToText(
ULONG InterfaceType
);
PUCHAR
PciDebugCmResourceTypeToText(
UCHAR Type
);
#if DBG
#define PCI_DEBUG_BUFFER_SIZE 256
PCI_DEBUG_LEVEL PciDebug = PciDbgAlways;
ULONG PciDebugStop = 0;
UCHAR PciDebugBuffer[PCI_DEBUG_BUFFER_SIZE];
#endif
VOID
PciDebugPrintIfLevel(
PCI_DEBUG_LEVEL DebugPrintLevel,
PCCHAR DebugMessage,
...
)
/*++
Routine Description:
Debug print for the PCI Bus Driver.
Arguments:
Debug print level between 0 and 3, with 3 being the most verbose.
A bit mask corresponding to various debug items.
Note: This used to be a level, for backward compatibility, 0 is
treated as print always.
Return Value:
None
--*/
{
#if DBG
va_list ap;
va_start(ap, DebugMessage);
if (PCI_DEBUGGING_OKAY() &&
(DebugPrintLevel & PciDebug)) {
if (FAILED(StringCbVPrintfA(PciDebugBuffer, sizeof(PciDebugBuffer), DebugMessage, ap))) {
DbgPrint("Pci Debug Print Failed! Format string was %s", DebugMessage);
} else {
DbgPrint(PciDebugBuffer);
}
}
va_end(ap);
#endif
} // end PciDebugPrint()
VOID
PciDebugPrintf(
PCCHAR DebugMessage,
...
)
/*++
Routine Description:
Debug print for the PCI Bus Driver.
Arguments:
The message to print
Return Value:
None
--*/
{
#if DBG
va_list ap;
va_start(ap, DebugMessage);
if (PCI_DEBUGGING_OKAY()) {
if (FAILED(StringCbVPrintfA(PciDebugBuffer, sizeof(PciDebugBuffer), DebugMessage, ap))) {
DbgPrint("Pci Debug Print Failed! Format string was %s", DebugMessage);
} else {
DbgPrint(PciDebugBuffer);
}
}
va_end(ap);
#endif
}
VOID
PciDebugHit(
ULONG StopOnBit
)
/*++
Routine Description:
Called from various places with various bits for arguments.
If the bit(s) are a subset of the bits in the global PciDebugStop,
call PciDebugBreak.
Arguments:
Stop bit(s).
Return Value:
None
--*/
{
#if DBG
if (PCI_DEBUGGING_OKAY() &&
(StopOnBit & PciDebugStop)) {
DbgBreakPoint();
}
#endif
}
//++
//
// Miscellaneous Debug printing routines.
//
//--
#if DBG
static UCHAR PnpIrpUnknownText[] = "** UNKNOWN PNP IRP Minor Code **";
static UCHAR PoIrpUnknownText[] = "** UNKNOWN PO IRP Minor Code **";
//
// The following really begin with "IRP_MN_"
//
static PUCHAR PnpIrpTypeStrings[] = {
"START_DEVICE", // 0x00
"QUERY_REMOVE_DEVICE", // 0x01
"REMOVE_DEVICE", // 0x02
"CANCEL_REMOVE_DEVICE", // 0x03
"STOP_DEVICE", // 0x04
"QUERY_STOP_DEVICE", // 0x05
"CANCEL_STOP_DEVICE", // 0x06
"QUERY_DEVICE_RELATIONS", // 0x07
"QUERY_INTERFACE", // 0x08
"QUERY_CAPABILITIES", // 0x09
"QUERY_RESOURCES", // 0x0A
"QUERY_RESOURCE_REQUIREMENTS", // 0x0B
"QUERY_DEVICE_TEXT", // 0x0C
"FILTER_RESOURCE_REQUIREMENTS",// 0x0D
PnpIrpUnknownText, // 0x0E
"READ_CONFIG", // 0x0F
"WRITE_CONFIG", // 0x10
"EJECT", // 0x11
"SET_LOCK", // 0x12
"QUERY_ID", // 0x13
"QUERY_PNP_DEVICE_STATE", // 0x14
"QUERY_BUS_INFORMATION", // 0x15
"DEVICE_USAGE_NOTIFICATION" // 0x16
};
static PUCHAR PoIrpTypeStrings[] = {
"WAIT_WAKE", // 0x00
"POWER_SEQUENCE", // 0x01
"SET_POWER", // 0x02
"QUERY_POWER" // 0x03
};
static PUCHAR SystemPowerStateStrings[] = {
"Unspecified",
"Working",
"Sleeping1",
"Sleeping2",
"Sleeping3",
"Hibernate",
"Shutdown"
};
static PUCHAR DevicePowerStateStrings[] = {
"Unspecified",
"D0",
"D1",
"D2",
"D3"
};
PUCHAR
PciDebugCmResourceTypeToText(
UCHAR Type
)
{
switch (Type) {
case CmResourceTypePort:
return "CmResourceTypePort";
case CmResourceTypeInterrupt:
return "CmResourceTypeInterrupt";
case CmResourceTypeMemory:
return "CmResourceTypeMemory";
case CmResourceTypeDma:
return "CmResourceTypeDma";
case CmResourceTypeDeviceSpecific:
return "CmResourceTypeDeviceSpecific";
case CmResourceTypeBusNumber:
return "CmResourceTypeBusNumber";
case CmResourceTypeConfigData:
return "CmResourceTypeConfigData";
case CmResourceTypeDevicePrivate:
return "CmResourceTypeDevicePrivate";
case CmResourceTypePcCardConfig:
return "CmResourceTypePcCardConfig";
default:
return "*** INVALID RESOURCE TYPE ***";
}
}
PUCHAR
PciDebugPnpIrpTypeToText(
ULONG IrpMinorCode
)
{
if (IrpMinorCode < (sizeof(PnpIrpTypeStrings)/sizeof(PUCHAR))) {
return PnpIrpTypeStrings[IrpMinorCode];
}
return PnpIrpUnknownText;
}
PUCHAR
PciDebugPoIrpTypeToText(
ULONG IrpMinorCode
)
{
if (IrpMinorCode < (sizeof(PoIrpTypeStrings)/sizeof(PUCHAR))) {
return PoIrpTypeStrings[IrpMinorCode];
}
return PoIrpUnknownText;
}
VOID
PciDebugDumpCommonConfig(
IN PPCI_COMMON_CONFIG CommonConfig
)
{
PULONG dw;
ULONG i;
if (PciDebug < PciDbgPrattling) {
return;
}
dw = (PULONG)CommonConfig;
for (i = 0; i < PCI_COMMON_HDR_LENGTH; i += sizeof(ULONG)) {
PciDebugPrintf(" %02x - %08x\n", i, *dw);
dw++;
}
}
VOID
PciDebugDumpQueryCapabilities(
IN PDEVICE_CAPABILITIES C
)
{
//
// Dump the DEVICE_CAPABILITIES structure pointed to by C.
//
SYSTEM_POWER_STATE sw = C->SystemWake;
DEVICE_POWER_STATE dw = C->DeviceWake;
ULONG i;
PciDebugPrintf(
"Capabilities\n Lock:%d, Eject:%d, Remove:%d, Dock:%d, UniqueId:%d\n",
C->LockSupported,
C->EjectSupported,
C->Removable,
C->DockDevice,
C->UniqueID
);
PciDebugPrintf(
" SilentInstall:%d, RawOk:%d, SurpriseOk:%d\n",
C->SilentInstall,
C->RawDeviceOK,
C->SurpriseRemovalOK
);
PciDebugPrintf(
" Address %08x, UINumber %08x, Latencies D1 %d, D2 %d, D3 %d\n",
C->Address,
C->UINumber,
C->D1Latency,
C->D2Latency,
C->D3Latency
);
if (sw > PowerSystemMaximum) {
sw = PowerSystemMaximum;
}
if (dw > PowerDeviceMaximum) {
dw = PowerDeviceMaximum;
}
PciDebugPrintf(
" System Wake: %s, Device Wake: %s\n DeviceState[PowerState] [",
SystemPowerStateStrings[sw],
DevicePowerStateStrings[dw]
);
for (i = PowerSystemWorking;
i < (sizeof(C->DeviceState) / sizeof(C->DeviceState[0]));
i++) {
dw = C->DeviceState[i];
if (dw > PowerDeviceMaximum) {
dw = PowerDeviceMaximum;
}
PciDebugPrintf(" %s", DevicePowerStateStrings[dw]);
}
PciDebugPrintf(" ]\n");
}
VOID
PciDebugPrintIoResource(
IN PIO_RESOURCE_DESCRIPTOR D
)
{
ULONG i;
PUCHAR t;
t = PciDebugCmResourceTypeToText(D->Type);
PciDebugPrintf(" IoResource Descriptor dump: Descriptor @0x%x\n", D);
PciDebugPrintf(" Option = 0x%x\n", D->Option);
PciDebugPrintf(" Type = %d (%s)\n", D->Type, t);
PciDebugPrintf(" ShareDisposition = %d\n", D->ShareDisposition);
PciDebugPrintf(" Flags = 0x%04X\n", D->Flags);
for ( i = 0; i < 6; i+=3 ) {
PciDebugPrintf(" Data[%d] = %08x %08x %08x\n",
i,
D->u.DevicePrivate.Data[i],
D->u.DevicePrivate.Data[i+1],
D->u.DevicePrivate.Data[i+2]);
}
}
VOID
PciDebugPrintIoResReqList(
IN PIO_RESOURCE_REQUIREMENTS_LIST IoResReqList
)
{
ULONG numlists;
PIO_RESOURCE_LIST list;
if ((PciDebug < PciDbgPrattling) || (IoResReqList == NULL)) {
return;
}
numlists = IoResReqList->AlternativeLists;
list = IoResReqList->List;
PciDebugPrintf(" IO_RESOURCE_REQUIREMENTS_LIST (PCI Bus Driver)\n");
PciDebugPrintf(" InterfaceType %d\n", IoResReqList->InterfaceType);
PciDebugPrintf(" BusNumber 0x%x\n", IoResReqList->BusNumber );
PciDebugPrintf(" SlotNumber %d (0x%x), (d/f = 0x%x/0x%x)\n",
IoResReqList->SlotNumber, // in decimal
IoResReqList->SlotNumber, // in hex
IoResReqList->SlotNumber & 0x1f, // device number
(IoResReqList->SlotNumber >> 5) & 0x7 // function
);
PciDebugPrintf(" AlternativeLists %d\n", numlists );
while (numlists--) {
PIO_RESOURCE_DESCRIPTOR resource = list->Descriptors;
ULONG count = list->Count;
PciDebugPrintf("\n List[%d].Count = %d\n", numlists, count);
while (count--) {
PciDebugPrintIoResource(resource++);
}
list = (PIO_RESOURCE_LIST)resource;
}
PciDebugPrintf("\n");
}
VOID
PciDebugPrintPartialResource(
PCI_DEBUG_LEVEL DebugPrintLevel,
IN PCM_PARTIAL_RESOURCE_DESCRIPTOR D
)
{
ULONG i;
PUCHAR t;
if (!(PciDebug & DebugPrintLevel)) {
return;
}
t = PciDebugCmResourceTypeToText(D->Type);
PciDebugPrintf(" Partial Resource Descriptor @0x%x\n", D);
PciDebugPrintf(" Type = %d (%s)\n", D->Type, t);
PciDebugPrintf(" ShareDisposition = %d\n", D->ShareDisposition);
PciDebugPrintf(" Flags = 0x%04X\n", D->Flags);
for ( i = 0; i < 3; i+=3 ) {
PciDebugPrintf(" Data[%d] = %08x %08x %08x\n",
i,
D->u.DevicePrivate.Data[i],
D->u.DevicePrivate.Data[i+1],
D->u.DevicePrivate.Data[i+2]);
}
}
VOID
PciDebugPrintCmResList(
PCI_DEBUG_LEVEL DebugPrintLevel,
IN PCM_RESOURCE_LIST ResourceList
)
{
ULONG numlists;
PCM_FULL_RESOURCE_DESCRIPTOR full;
PCM_PARTIAL_RESOURCE_DESCRIPTOR descriptor;
if (!ResourceList || !(PciDebug & DebugPrintLevel)) {
return;
}
numlists = ResourceList->Count;
full = ResourceList->List;
PciDebugPrintf(" CM_RESOURCE_LIST (PCI Bus Driver) (List Count = %d)\n",
numlists);
while (numlists--) {
PCM_PARTIAL_RESOURCE_LIST partial = &full->PartialResourceList;
ULONG count = partial->Count;
PciDebugPrintf(" InterfaceType %d\n", full->InterfaceType);
PciDebugPrintf(" BusNumber 0x%x\n", full->BusNumber );
descriptor = partial->PartialDescriptors;
while (count--) {
PciDebugPrintPartialResource(DebugPrintLevel, descriptor);
descriptor = PciNextPartialDescriptor(descriptor);
}
full = (PCM_FULL_RESOURCE_DESCRIPTOR)descriptor;
}
PciDebugPrintf("\n");
}
static UCHAR InterfaceTypeUnknownText[] = "** Unknown interface type **";
static PUCHAR InterfaceTypeText[] = {
"InterfaceTypeUndefined", // -1
"Internal", // 0
"Isa", // 1
"Eisa", // 2
"MicroChannel", // 3
"TurboChannel", // 4
"PCIBus", // 5
"VMEBus", // 6
"NuBus", // 7
"PCMCIABus", // 8
"CBus", // 9
"MPIBus", // 10
"MPSABus", // 11
"ProcessorInternal", // 12
"InternalPowerBus", // 13
"PNPISABus", // 14
"PNPBus" // 15
};
PUCHAR
PciDebugInterfaceTypeToText(
ULONG InterfaceType
)
{
if (InterfaceType < MaximumInterfaceType) {
PCI_ASSERT(InterfaceType + 1 < sizeof(InterfaceTypeText) / sizeof(PUCHAR));
return InterfaceTypeText[InterfaceType + 1];
}
return InterfaceTypeUnknownText;
}
#endif