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windows-nt/Source/XPSP1/NT/drivers/storage/kdext/scsikd/classkd.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (C) Microsoft Corporation, 1992 - 1999
Module Name:
classkd.c
Abstract:
Debugger Extension Api for interpretting scsiport structures
Author:
Peter Wieland (peterwie) 16-Oct-1995
johnstra
ervinp
Environment:
User Mode.
Revision History:
--*/
#include "pch.h"
#include "classpnp.h" // #defines ALLOCATE_SRB_FROM_POOL as needed
#include "classp.h" // Classpnp's private definitions
#include "cdrom.h"
#include "classkd.h" // routines that are useful for all class drivers
typedef struct _REMOVE_TRACKING_BLOCK
REMOVE_TRACKING_BLOCK,
*PREMOVE_TRACKING_BLOCK;
struct _REMOVE_TRACKING_BLOCK {
PREMOVE_TRACKING_BLOCK NextBlock;
PVOID Tag;
LARGE_INTEGER TimeLocked;
PCSTR File;
ULONG Line;
};
FLAG_NAME FdoFlags[] = {
FLAG_NAME(DEV_WRITE_CACHE), // 0x00000001
FLAG_NAME(DEV_USE_SCSI1), // 0x00000002
FLAG_NAME(DEV_SAFE_START_UNIT), // 0x00000004
FLAG_NAME(DEV_NO_12BYTE_CDB), // 0x00000008
{0,0}
};
DECLARE_API(classext)
/*++
Routine Description:
Dumps the device extension for a given device object, or dumps the
given device extension
Arguments:
args - string containing the address of the device object or device
extension
Return Value:
none
--*/
{
ULONG64 devObjAddr = 0;
ULONG detail = 0;
GetAddressAndDetailLevel64(args, &devObjAddr, &detail);
/*
* Read the device object and extension into the debugger's address space.
*/
if (devObjAddr == 0){
xdprintf(0, "\n usage: !classext <class fdo> <level [0-2]>\n\n");
}
else {
CSHORT objType = GetUSHORTField(devObjAddr, "nt!_DEVICE_OBJECT", "Type");
if (objType == IO_TYPE_DEVICE){
ULONG64 devExtAddr;
devExtAddr = GetULONGField(devObjAddr, "nt!_DEVICE_OBJECT", "DeviceExtension");
if (devExtAddr != BAD_VALUE){
ULONG64 commonExtAddr = devExtAddr;
ULONG64 tmpDevObjAddr;
BOOLEAN isFdo;
/*
* To sanity-check our device context, check that the 'DeviceObject' field matches our device object.
*/
tmpDevObjAddr = GetULONGField(devExtAddr, "classpnp!_FUNCTIONAL_DEVICE_EXTENSION", "DeviceObject");
isFdo = GetUCHARField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "IsFdo");
if ((tmpDevObjAddr == devObjAddr) && isFdo && (isFdo != BAD_VALUE)){
ULONG64 fdoDataAddr;
fdoDataAddr = GetULONGField(devExtAddr, "classpnp!_FUNCTIONAL_DEVICE_EXTENSION", "PrivateFdoData");
if (fdoDataAddr != BAD_VALUE){
ClassDumpFdoExtensionInternal(fdoDataAddr, detail, 0);
ClassDumpFdoExtensionExternal(devExtAddr, detail, 0);
// this hasn't worked in some time
// ClassDumpCommonExtension(devObjAddr, detail, 0);
}
}
else {
dprintf("%08p is not a storage class FDO (for PDO information, use !classext on the parent FDO) \n", devObjAddr);
dprintf(g_genericErrorHelpStr);
}
}
}
else {
dprintf("Error: 0x%08p is not a device object\n", devObjAddr);
dprintf(g_genericErrorHelpStr);
}
}
return S_OK;
}
VOID
ClassDumpCommonExtension(
IN ULONG64 Address,
IN ULONG Detail,
IN ULONG Depth
)
{
ULONG result;
ULONG offset;
ULONG tmp;
BOOLEAN IsFdo;
BOOLEAN IsInitialized;
ULONG IsRemoved;
ULONG64 DeviceObject;
ULONG64 LowerDeviceObject;
UCHAR CurrentState;
UCHAR PreviousState;
ULONG64 DriverData;
ULONG PagingPathCount;
ULONG DumpPathCount;
ULONG HibernationPathCount;
FIELD_INFO deviceFields[] = {
{"IsFdo", NULL, 0, COPY, 0, (PVOID) &IsFdo},
{"IsInitialized", NULL, 0, COPY, 0, (PVOID) &IsInitialized},
{"IsRemoved", NULL, 0, COPY, 0, (PVOID) &IsRemoved},
{"DeviceObject", NULL, 0, COPY, 0, (PVOID) &DeviceObject},
{"LowerDeviceObject", NULL, 0, COPY, 0, (PVOID) &LowerDeviceObject},
{"CurrentState", NULL, 0, COPY, 0, (PVOID) &CurrentState},
{"PreviousState", NULL, 0, COPY, 0, (PVOID) &PreviousState},
{"DriverData", NULL, 0, COPY, 0, (PVOID) &DriverData},
{"PagingPathCount", NULL, 0, COPY, 0, (PVOID) &PagingPathCount},
{"DumpPathCount", NULL, 0, COPY, 0, (PVOID) &DumpPathCount},
{"HibernationPathCount", NULL, 0, COPY, 0, (PVOID) &HibernationPathCount},
};
SYM_DUMP_PARAM DevSym = {
sizeof (SYM_DUMP_PARAM),
"classpnp!_COMMON_DEVICE_EXTENSION",
DBG_DUMP_NO_PRINT,
Address,
NULL, NULL, NULL,
sizeof (deviceFields) / sizeof (FIELD_INFO),
&deviceFields[0]
};
result = Ioctl(IG_DUMP_SYMBOL_INFO, &DevSym, DevSym.size);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
xdprintfEx(Depth, ("Classpnp %s device extension at address %p\n",
(!IsFdo ? "physical" : "functional"),
Address));
xdprintfEx(Depth, ("Common Extension:\n"));
Depth += 1;
tmp = Depth;
if(IsInitialized) {
xdprintfEx(tmp, ("Initialized " ));
tmp = 0;
}
switch(IsRemoved) {
case REMOVE_PENDING: {
xdprintfEx(tmp, ("RemovePending"));
tmp = 0;
break;
}
case REMOVE_COMPLETE: {
xdprintfEx(tmp, ("RemoveComplete"));
tmp = 0;
break;
}
}
if(tmp == 0) {
dprintf("\n");
}
tmp = 0;
//
// Calculate the runtime address of the first field to follow the common
// device extension. To do this, we query the type info for the offset
// of the last field, then increment it by the appropriate amount.
//
result = GetFieldOffset("classpnp!_COMMON_DEVICE_EXTENSION",
"Reserved4",
&offset);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
offset += IsPtr64() ? sizeof(ULONG64) : sizeof(ULONG32);
xdprintfEx(Depth, ("DO 0x%p LowerObject 0x%p Other Extension 0x%p\n",
DeviceObject,
LowerDeviceObject,
Address + offset
));
xdprintfEx(Depth, ("Current PnP state 0x%x Previous state 0x%x\n",
CurrentState,
PreviousState));
xdprintfEx(Depth, ("DriverData 0x%p UsePathCounts (P%d, C%d, H%d)\n",
DriverData,
PagingPathCount,
DumpPathCount,
HibernationPathCount
));
if(!IsFdo) {
xdprintfEx(Depth - 1, ("PhysicalExtension:\n"));
ClassDumpPdo(Address,
Detail,
Depth);
} else {
xdprintfEx(Depth - 1, ("FunctionalExtension:\n"));
ClassDumpFdo(Address,
Detail,
Depth);
}
ClassDumpLocks(Address, Depth - 1);
return;
}
VOID
ClassDumpFdoExtensionExternal(
IN ULONG64 FdoExtAddr,
IN ULONG Detail,
IN ULONG Depth
)
{
ULONG64 commonExtAddr = FdoExtAddr;
ULONG64 mediaChangeInfoAddr;
ULONG64 childPdoExtAddr;
ULONG isRemoved;
UCHAR isInitialized;
ULONG removeLock;
UCHAR currentState, previousState;
ULONG64 lowerDevObjAddr;
xdprintf(Depth, "\n");
xdprintf(Depth, "Classpnp _EXTERNAL_ data:\n\n");
/*
* Print the media change information (which only exists for removable media like cdrom)
*/
mediaChangeInfoAddr = GetULONGField(FdoExtAddr, "classpnp!_FUNCTIONAL_DEVICE_EXTENSION", "MediaChangeDetectionInfo");
if (mediaChangeInfoAddr != BAD_VALUE){
if (mediaChangeInfoAddr){
ULONG64 mediaChangeIrpAddr = GetULONGField(mediaChangeInfoAddr, "classpnp!_MEDIA_CHANGE_DETECTION_INFO", "MediaChangeIrp");
UCHAR gesnSupported = GetUCHARField(mediaChangeInfoAddr, "classpnp!_MEDIA_CHANGE_DETECTION_INFO", "Gesn.Supported");
xdprintf(Depth+1, ""), dprintf("MEDIA_CHANGE_DETECTION_INFO @ %08p:\n", mediaChangeInfoAddr);
if (gesnSupported){
xdprintf(Depth+2, "GESN is supported\n");
}
else {
xdprintf(Depth+2, "GESN is NOT supported\n");
}
xdprintf(Depth+2, ""), dprintf("MediaChangeIrp = %08p\n", mediaChangeIrpAddr);
xdprintf(Depth+2, ""), dprintf("(for more info, use 'dt classpnp!_MEDIA_CHANGE_DETECTION_INFO %08p')\n", mediaChangeInfoAddr);
dprintf("\n");
}
else {
xdprintf(Depth+1, "MediaChangeDetectionInfo is NULL\n");
}
}
/*
* Print the media type and geometry information
*/
{
ULONG64 geometryInfoAddr = GetFieldAddr(FdoExtAddr, "classpnp!_FUNCTIONAL_DEVICE_EXTENSION", "DiskGeometry");
if (geometryInfoAddr != BAD_VALUE){
ULONG64 numCylinders = GetULONGField(geometryInfoAddr, "classpnp!_DISK_GEOMETRY", "Cylinders");
ULONG mediaType = (ULONG)GetULONGField(geometryInfoAddr, "classpnp!_DISK_GEOMETRY", "MediaType");
ULONG64 tracksPerCylinder = GetULONGField(geometryInfoAddr, "classpnp!_DISK_GEOMETRY", "TracksPerCylinder");
ULONG64 sectorsPerTrack = GetULONGField(geometryInfoAddr, "classpnp!_DISK_GEOMETRY", "SectorsPerTrack");
ULONG64 bytesPerSector = GetULONGField(geometryInfoAddr, "classpnp!_DISK_GEOMETRY", "BytesPerSector");
if ((numCylinders != BAD_VALUE) && (mediaType != BAD_VALUE) && (tracksPerCylinder != BAD_VALUE) && (sectorsPerTrack != BAD_VALUE) && (bytesPerSector != BAD_VALUE)){
ULONG64 totalVolume = numCylinders*tracksPerCylinder*sectorsPerTrack*bytesPerSector;
xdprintf(Depth+1, ""), dprintf("Media type: %s(%xh)\n", DbgGetMediaTypeStr(mediaType), mediaType);
xdprintf(Depth+1, ""), dprintf("Geometry: %d(%xh)cyl x %d(%xh)tracks x %d(%xh)sectors x %d(%xh)bytes\n",
(ULONG)numCylinders, (ULONG)numCylinders,
(ULONG)tracksPerCylinder, (ULONG)tracksPerCylinder,
(ULONG)sectorsPerTrack, (ULONG)sectorsPerTrack,
(ULONG)bytesPerSector, (ULONG)bytesPerSector);
xdprintf(Depth+1+4, ""), dprintf("= %x'%xh", (ULONG)(totalVolume>>32), (ULONG)totalVolume);
if (totalVolume > (ULONG64)(1 << 30)){
dprintf(" = ~%d GB\n", (ULONG)(totalVolume >> 30));
}
else {
dprintf(" = ~%d MB\n", (ULONG)(totalVolume >> 20));
}
}
}
}
/*
* Print 'IsInitialized' state.
*/
isInitialized = GetUCHARField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "IsInitialized");
xdprintf(Depth+1, "IsInitialized = %d\n", isInitialized);
/*
* Print the 'IsRemoved' state.
*/
isRemoved = (ULONG)GetULONGField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "IsRemoved");
removeLock = (ULONG)GetULONGField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "RemoveLock");
xdprintf(Depth+1, "Remove lock count = %d\n", removeLock);
switch (isRemoved){
#undef MAKE_CASE
#define MAKE_CASE(remCase) case remCase: xdprintf(Depth+1, "IsRemoved = " #remCase "(%d)\n", isRemoved); break;
MAKE_CASE(NO_REMOVE)
MAKE_CASE(REMOVE_PENDING)
MAKE_CASE(REMOVE_COMPLETE)
}
/*
* Print the PnP state.
*/
currentState = GetUCHARField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "CurrentState");
previousState = GetUCHARField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "PreviousState");
xdprintf(Depth+1, "PnP state: CurrentState:");
switch (currentState){
#undef MAKE_CASE
#define MAKE_CASE(pnpCase) case pnpCase: xdprintf(0, #pnpCase "(%xh)", pnpCase); break;
MAKE_CASE(IRP_MN_START_DEVICE)
MAKE_CASE(IRP_MN_STOP_DEVICE)
MAKE_CASE(IRP_MN_REMOVE_DEVICE)
MAKE_CASE(IRP_MN_QUERY_STOP_DEVICE)
MAKE_CASE(IRP_MN_QUERY_REMOVE_DEVICE)
MAKE_CASE(IRP_MN_CANCEL_STOP_DEVICE)
MAKE_CASE(IRP_MN_CANCEL_REMOVE_DEVICE)
default: xdprintf(0, "???(%xh)", currentState); break;
}
xdprintf(0, " PreviousState:");
switch (previousState){
#undef MAKE_CASE
#define MAKE_CASE(pnpCase) case pnpCase: xdprintf(0, #pnpCase "(%xh)", pnpCase); break;
MAKE_CASE(IRP_MN_START_DEVICE)
MAKE_CASE(IRP_MN_STOP_DEVICE)
MAKE_CASE(IRP_MN_REMOVE_DEVICE)
MAKE_CASE(IRP_MN_QUERY_STOP_DEVICE)
MAKE_CASE(IRP_MN_QUERY_REMOVE_DEVICE)
MAKE_CASE(IRP_MN_CANCEL_STOP_DEVICE)
MAKE_CASE(IRP_MN_CANCEL_REMOVE_DEVICE)
case 0x0FF: xdprintf(0, "(None)"); break;
default: xdprintf(0, "???(%xh)", previousState); break;
}
xdprintf(0, "\n");
/*
* Print target device
*/
lowerDevObjAddr = GetULONGField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "LowerDeviceObject");
xdprintf(Depth+1, ""), dprintf("Target device=%08p\n", lowerDevObjAddr);
/*
* Dump child PDO list
*/
xdprintf(Depth+1, "Child PDOs:\n");
childPdoExtAddr = GetULONGField(commonExtAddr, "classpnp!_COMMON_DEVICE_EXTENSION", "ChildList");
while (childPdoExtAddr && (childPdoExtAddr != BAD_VALUE)){
ULONG64 pdoAddr = GetULONGField(childPdoExtAddr, "classpnp!_PHYSICAL_DEVICE_EXTENSION", "DeviceObject");
UCHAR isEnumerated = GetUCHARField(childPdoExtAddr, "classpnp!_PHYSICAL_DEVICE_EXTENSION", "IsEnumerated");
UCHAR isMissing = GetUCHARField(childPdoExtAddr, "classpnp!_PHYSICAL_DEVICE_EXTENSION", "IsMissing");
xdprintf(Depth+2, ""), dprintf("PDO=%08p IsEnumerated=%d IsMissing=%d\n", pdoAddr, isEnumerated, isMissing);
childPdoExtAddr = GetULONGField(childPdoExtAddr, "classpnp!_PHYSICAL_DEVICE_EXTENSION", "CommonExtension.ChildList");
}
dprintf("\n");
dprintf("\n");
xdprintf(Depth+2, ""), dprintf("(for more info use 'dt classpnp!_FUNCTIONAL_DEVICE_EXTENSION %08p')\n", FdoExtAddr);
xdprintf(0, "\n");
}
VOID
ClassDumpFdoExtensionInternal(
IN ULONG64 FdoDataAddr,
IN ULONG Detail,
IN ULONG Depth
)
{
ULONG64 keTickCountAddr;
ULONG keTickCount;
ULONG len;
dprintf("\n");
xdprintf(Depth, ""), dprintf("Classpnp _INTERNAL_ data (%08p):\n", FdoDataAddr);
/*
* Dump TRANSFER_PACKET lists
*/
ClassDumpTransferPacketLists(FdoDataAddr, Detail, Depth+1);
/*
* Dump private error logs
*/
ClassDumpPrivateErrorLogs(FdoDataAddr, Detail, Depth+1);
/*
* Show time at trap (for comparison with error log timestamps)
*/
keTickCountAddr = GetExpression("nt!KeTickCount");
if (ReadMemory(keTickCountAddr, &keTickCount, sizeof(ULONG), &len)){
dprintf("\n");
xdprintf(Depth, ""), dprintf("KeTickCount trap time: %08xh = %d.%d\n", keTickCount, (ULONG)(keTickCount/1000), (ULONG)(keTickCount%1000));
}
dprintf("\n");
xdprintf(Depth+2, ""), dprintf("(for more info use 'dt classpnp!_CLASS_PRIVATE_FDO_DATA %08p')\n", FdoDataAddr);
}
VOID ClassDumpTransferPacketLists(ULONG64 FdoDataAddr, ULONG Detail, ULONG Depth)
{
ULONG64 allxferPktsListAddr;
/*
* Print transfer packet lists
*/
allxferPktsListAddr = GetFieldAddr(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "AllTransferPacketsList");
if (allxferPktsListAddr != BAD_VALUE){
ULONG64 listEntryAddr;
ULONG numTotalXferPkts = (ULONG)GetULONGField(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "NumTotalTransferPackets");
ULONG numFreeXferPkts = (ULONG)GetULONGField(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "NumFreeTransferPackets");
ULONG numPackets;
char *extraSpaces = IsPtr64() ? " " : "";
/*
* Walk AllTransferPacketsList and print only the outstanding packets with full SRB info.
*/
xdprintf(Depth, "\n");
xdprintf(Depth, "Outstanding transfer packets: (out of %d total)\n", numTotalXferPkts);
xdprintf(Depth, "\n");
xdprintf(Depth+1, " packet %s irp %s srb %s sense %s status \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
xdprintf(Depth+1, "--------%s --------%s --------%s --------%s -------- \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
numPackets = 0;
listEntryAddr = GetULONGField(allxferPktsListAddr, "nt!_LIST_ENTRY", "Flink");
while ((listEntryAddr != allxferPktsListAddr) && (listEntryAddr != BAD_VALUE)){
ULONG64 pktAddr;
pktAddr = GetContainingRecord(listEntryAddr, "classpnp!_TRANSFER_PACKET", "AllPktsListEntry");
if (pktAddr == BAD_VALUE){
break;
}
else {
ClassDumpTransferPacket(pktAddr, TRUE, FALSE, TRUE, Depth+1);
numPackets++;
listEntryAddr = GetULONGField(listEntryAddr, "nt!_LIST_ENTRY", "Flink");
}
}
if (numPackets != numTotalXferPkts){
xdprintf(Depth, "*** Warning: NumTotalTransferPackets(%d) doesn't match length of queue(%d) ***\n", numTotalXferPkts, numPackets);
}
if (Detail > 0){
ULONG64 slistEntryAddr;
/*
* Print all transfer packets
*/
xdprintf(Depth, "\n");
xdprintf(Depth, "All transfer packets: (%d total, %d free)\n", numTotalXferPkts, numFreeXferPkts);
xdprintf(Depth, "\n");
xdprintf(Depth+1, " packet %s irp %s srb %s sense %s status \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
xdprintf(Depth+1, "--------%s --------%s --------%s --------%s -------- \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
numPackets = 0;
listEntryAddr = GetULONGField(allxferPktsListAddr, "nt!_LIST_ENTRY", "Flink");
while ((listEntryAddr != allxferPktsListAddr) && (listEntryAddr != BAD_VALUE)){
ULONG64 pktAddr;
pktAddr = GetContainingRecord(listEntryAddr, "classpnp!_TRANSFER_PACKET", "AllPktsListEntry");
if (pktAddr == BAD_VALUE){
break;
}
else {
ClassDumpTransferPacket(pktAddr, TRUE, TRUE, FALSE, Depth+1);
listEntryAddr = GetULONGField(listEntryAddr, "nt!_LIST_ENTRY", "Flink");
}
}
/*
* Print free packets sList
*/
xdprintf(Depth, "\n");
xdprintf(Depth, "Free transfer packets in fast SLIST: (%d free)\n", numFreeXferPkts);
if (IsPtr64()){
xdprintf(Depth, "(Cannot display fast SLIST on 64-bit system)\n");
}
else {
xdprintf(Depth+1, " packet %s irp %s srb %s sense %s status \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
xdprintf(Depth+1, "--------%s --------%s --------%s --------%s -------- \n", extraSpaces, extraSpaces, extraSpaces, extraSpaces);
numPackets = 0;
slistEntryAddr = GetULONGField(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "FreeTransferPacketsList.Next.Next");
while (slistEntryAddr && (slistEntryAddr != BAD_VALUE)){
ULONG64 pktAddr;
pktAddr = GetContainingRecord(slistEntryAddr, "classpnp!_TRANSFER_PACKET", "SlistEntry");
if (pktAddr == BAD_VALUE){
break;
}
else {
ClassDumpTransferPacket(pktAddr, TRUE, TRUE, FALSE, Depth+1);
numPackets++;
slistEntryAddr = GetULONGField(pktAddr, "classpnp!_TRANSFER_PACKET", "SlistEntry.Next");
}
}
if (numPackets != numFreeXferPkts){
xdprintf(Depth, "*** Warning: NumFreeTransferPackets(%d) doesn't match length of queue(%d) ***\n", numFreeXferPkts, numPackets);
}
}
}
}
}
/*
* ClassDumpTransferPacket
*
* Dump TRANSFER_PACKET contents under the following heading:
*
* " packet irp srb sense status "
* " -------- -------- -------- -------- -------- "
*
*/
VOID ClassDumpTransferPacket(
ULONG64 PktAddr,
BOOLEAN DumpPendingPkts,
BOOLEAN DumpFreePkts,
BOOLEAN DumpFullInfo,
ULONG Depth)
{
ULONG64 irpAddr = GetULONGField(PktAddr, "classpnp!_TRANSFER_PACKET", "Irp");
ULONG64 srbAddr = GetFieldAddr(PktAddr, "classpnp!_TRANSFER_PACKET", "Srb");
ULONG64 senseAddr = GetFieldAddr(PktAddr, "classpnp!_TRANSFER_PACKET", "SrbErrorSenseData");
if ((irpAddr == BAD_VALUE) || (srbAddr == BAD_VALUE) || (senseAddr == BAD_VALUE)){
dprintf("\n ClassDumpTransferPacket: error retrieving contents of packet %08p.\n", PktAddr);
}
else {
UCHAR currentStackLoc = GetUCHARField(irpAddr, "nt!_IRP", "CurrentLocation");
UCHAR stackCount = GetUCHARField(irpAddr, "nt!_IRP", "StackCount");
BOOLEAN isPending;
isPending = (currentStackLoc != stackCount+1);
if ((isPending && DumpPendingPkts) || (!isPending && DumpFreePkts)){
/*
* Print the transfer packet description line
*/
xdprintf(Depth, "");
dprintf("%08p", PktAddr);
dprintf(" %08p", irpAddr);
dprintf(" %08p", srbAddr);
dprintf(" %08p", senseAddr);
if (isPending){
xdprintf(0, " pending*");
}
else {
xdprintf(0, " (free)");
}
xdprintf(0, "\n");
if (DumpFullInfo){
ULONG64 bufLen = GetULONGField(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "DataTransferLength");
ULONG64 cdbAddr = GetFieldAddr(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "Cdb");
ULONG64 origIrpAddr = GetULONGField(PktAddr, "classpnp!_TRANSFER_PACKET", "OriginalIrp");
ULONG64 mdlAddr = GetULONGField(origIrpAddr, "nt!_IRP", "MdlAddress");
UCHAR scsiOp = GetUCHARField(cdbAddr, "classpnp!_CDB", "CDB6GENERIC.OperationCode");
UCHAR srbStat = GetUCHARField(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "SrbStatus");
ULONG64 bufAddr;
/*
* The the buffer address from the MDL if possible;
* else from the SRB (which may not be valid).
*/
bufAddr = GetULONGField(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "DataBuffer");
if (mdlAddr && (mdlAddr != BAD_VALUE)){
ULONG mdlFlags = (ULONG)GetULONGField(mdlAddr, "nt!_MDL", "MdlFlags");
if ((mdlFlags != BAD_VALUE) && (mdlFlags & MDL_PAGES_LOCKED)){
bufAddr = GetULONGField(mdlAddr, "nt!_MDL", "MappedSystemVa");
}
}
else {
/*
* There's no MDL, so bufAddr should be the actual kernel-space pointer.
* Sanity-check it.
*/
if (!IsPtr64() && !(bufAddr & 0x80000000)){
bufAddr = BAD_VALUE;
}
}
/*
* Print the SRB description line
*/
xdprintf(Depth+1, "(");
dprintf("%s ", DbgGetScsiOpStr(scsiOp));
dprintf("status=%s ", DbgGetSrbStatusStr(srbStat));
if (mdlAddr && (mdlAddr != BAD_VALUE)){
if (bufAddr == BAD_VALUE){
dprintf("mdl=%08p ", mdlAddr);
}
else {
dprintf("mdl+%08p ", bufAddr);
}
}
else if (bufAddr == BAD_VALUE){
dprintf("buf=??? ");
}
else {
dprintf("buf=%08p ", bufAddr);
}
dprintf("len=%08lx", bufLen);
dprintf(")\n");
/*
* Print a line with original irp if appropriate
*/
if (cdbAddr != BAD_VALUE){
UCHAR scsiOp = GetUCHARField(cdbAddr, "classpnp!_CDB", "CDB6GENERIC.OperationCode");
if ((scsiOp == SCSIOP_READ) || (scsiOp == SCSIOP_WRITE)){
xdprintf(Depth+1, ""), dprintf("(OriginalIrp=%08p)\n", origIrpAddr);
}
}
}
}
}
}
VOID ClassDumpPrivateErrorLogs(ULONG64 FdoDataAddr, ULONG Detail, ULONG Depth)
{
ULONG64 errLogsAddr;
errLogsAddr = GetFieldAddr(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "ErrorLogs");
if (errLogsAddr != BAD_VALUE){
ULONG errLogSize = GetTypeSize("classpnp!_CLASS_ERROR_LOG_DATA");
if (errLogSize != BAD_VALUE){
ULONG nextErrLogIndex, firstErrLogIndex, lastErrLogIndex;
/*
* Find what should be the index of the last error log (if there were any error logs)
* See if it is valid by checking for a non-zero timestamp.
*/
nextErrLogIndex = (ULONG)GetULONGField(FdoDataAddr, "classpnp!_CLASS_PRIVATE_FDO_DATA", "ErrorLogNextIndex");
if (nextErrLogIndex != BAD_VALUE){
ULONG64 tickCount;
lastErrLogIndex = (nextErrLogIndex+NUM_ERROR_LOG_ENTRIES-1) % NUM_ERROR_LOG_ENTRIES;
tickCount = GetULONGField(errLogsAddr+lastErrLogIndex*errLogSize, "classpnp!_CLASS_ERROR_LOG_DATA", "TickCount");
if (tickCount == BAD_VALUE){
}
else if (tickCount == 0){
/*
* The "latest" error log is not initialized, so there are no error logs
*/
dprintf("\n"), xdprintf(Depth, "No Error Logs:\n");
}
else {
/*
* Search forward through the circular list for the first valid error log.
*/
for (firstErrLogIndex = (lastErrLogIndex+1)%NUM_ERROR_LOG_ENTRIES;
firstErrLogIndex != lastErrLogIndex;
firstErrLogIndex = (firstErrLogIndex+1)%NUM_ERROR_LOG_ENTRIES){
ULONG64 thisErrLogAddr = errLogsAddr+firstErrLogIndex*errLogSize;
tickCount = GetULONGField(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "TickCount");
if (tickCount == BAD_VALUE){
/*
* something's screwed up; abort
*/
break;
}
else if (tickCount != 0){
/*
* found the earliest of the recorded error logs, break
*/
break;
}
}
if (tickCount != BAD_VALUE){
/*
* Now that we've found the valid range of error logs, print them out.
*/
ULONG numErrLogs = (lastErrLogIndex >= firstErrLogIndex) ?
lastErrLogIndex-firstErrLogIndex+1 :
lastErrLogIndex+NUM_ERROR_LOG_ENTRIES-firstErrLogIndex+1;
dprintf("\n\n"), xdprintf(Depth, "ERROR LOGS (%d):\n", numErrLogs);
xdprintf(Depth, "---------------------------------------------------\n");
do {
ULONG64 thisErrLogAddr = errLogsAddr+firstErrLogIndex*errLogSize;
ULONG64 tickCount = GetFieldAddr(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "TickCount");
ULONG64 senseDataAddr = GetFieldAddr(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "SenseData");
ULONG64 srbAddr = GetFieldAddr(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "Srb");
ULONG64 cdbAddr;
// GetFieldOffset of an embedded struct gets the wrong address for some reason,
// so do this manually.
#if 0
cdbAddr = GetFieldAddr(thisErrLogAddr, "classpnp!_SCSI_REQUEST_BLOCK", "Cdb");
#else
cdbAddr = (srbAddr == BAD_VALUE) ? BAD_VALUE :
IsPtr64() ? srbAddr + 0x48 :
srbAddr + 0x30;
#endif
if ((thisErrLogAddr != BAD_VALUE) && (srbAddr != BAD_VALUE) && (senseDataAddr != BAD_VALUE) && (cdbAddr != BAD_VALUE)){
UCHAR scsiOp = GetUCHARField(cdbAddr, "classpnp!_CDB", "CDB6GENERIC.OperationCode");
UCHAR srbStat = GetUCHARField(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "SrbStatus");
UCHAR scsiStat = GetUCHARField(srbAddr, "classpnp!_SCSI_REQUEST_BLOCK", "ScsiStatus");
UCHAR isPaging = GetUCHARField(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "ErrorPaging");
UCHAR isRetried = GetUCHARField(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "ErrorRetried");
UCHAR isUnhandled = GetUCHARField(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "ErrorUnhandled");
tickCount = GetULONGField(thisErrLogAddr, "classpnp!_CLASS_ERROR_LOG_DATA", "TickCount");
if ((scsiOp != BAD_VALUE) && (tickCount != BAD_VALUE)){
xdprintf(Depth+1, "");
dprintf("<tick %d.%d>: ", (ULONG)(tickCount/1000), (ULONG)(tickCount%1000));
dprintf("%s(%xh)\n",
DbgGetScsiOpStr(scsiOp),
(ULONG)scsiOp);
xdprintf(Depth+2, "");
dprintf("srbStat=%s(%xh) scsiStat=%xh \n",
DbgGetSrbStatusStr(srbStat),
(ULONG)srbStat,
(ULONG)scsiStat
);
xdprintf(Depth+2, "");
dprintf("SenseData = %s/%s/%s \n",
DbgGetSenseCodeStr(srbStat, senseDataAddr),
DbgGetAdditionalSenseCodeStr(srbStat, senseDataAddr),
DbgGetAdditionalSenseCodeQualifierStr(srbStat, senseDataAddr));
xdprintf(Depth+2, "");
if (isPaging) dprintf("Paging; "); else dprintf("(not paging); ");
if (isRetried) dprintf("Retried; "); else dprintf("(not retried); ");
if (isUnhandled) dprintf("Unhandled; ");
dprintf("\n");
xdprintf(Depth+2, "");
dprintf("(for more info, use 'dt classpnp!_CLASS_ERROR_LOG_DATA %08p'\n\n", thisErrLogAddr);
firstErrLogIndex = (firstErrLogIndex+1)%NUM_ERROR_LOG_ENTRIES;
}
else {
break;
}
}
else {
break;
}
} while (firstErrLogIndex != (lastErrLogIndex+1)%NUM_ERROR_LOG_ENTRIES);
xdprintf(Depth, "---------------------------------------------------\n");
}
}
}
}
}
}
VOID
ClassDumpMediaChangeInfo(
ULONG64 Address,
ULONG Detail,
ULONG Depth
)
{
PUCHAR states[] = {"Unknown", "Present", "Not Present"};
ULONG result;
ULONG64 MediaChangeDetectionInfo;
ULONG offset;
LONG MediaChangeDetectionDisableCount;
ULONG MediaChangeDetectionState;
BOOLEAN MediaChangeIrpLost;
LONG MediaChangeIrpTimeInUse;
ULONG64 MediaChangeIrp;
ULONG64 SenseBuffer;
result = GetFieldData(Address,
"classpnp!_FUNCTIONAL_DEVICE_EXTENSION",
"MediaChangeDetectionInfo",
sizeof(ULONG64),
&MediaChangeDetectionInfo);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
xdprintfEx(Depth, ("MediaChangeNotification:\n"));
Depth++;
if (MediaChangeDetectionInfo == 0) {
xdprintfEx(Depth, ("MCN is not enabled for this device\n"));
return;
}
InitTypeRead(MediaChangeDetectionInfo,
classpnp!_MEDIA_CHANGE_DETECTION_INFO);
MediaChangeDetectionDisableCount = (LONG) ReadField(MediaChangeDetectionDisableCount);
MediaChangeDetectionState = (ULONG) ReadField(MediaChangeDetectionState);
MediaChangeIrpLost = (BOOLEAN) ReadField(MediaChangeIrpLost);
MediaChangeIrpTimeInUse = (LONG) ReadField(MediaChangeIrpTimeInUse);
MediaChangeIrp = ReadField(MediaChangeIrp);
SenseBuffer = ReadField(SenseBuffer);
result = GetFieldOffset("classpnp!_MEDIA_CHANGE_DETECTION_INFO",
"MediaChangeSrb",
&offset);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
xdprintfEx(Depth, ("MCN is ")); // indent
if (MediaChangeDetectionDisableCount == 0) {
dprintf("Enabled ");
} else {
dprintf("Disabled ");
}
dprintf("Current State %s", states[MediaChangeDetectionState] );
if (MediaChangeIrpLost != 0) {
dprintf(" *** MCN Irp Lost for %x ticks *** ",
MediaChangeIrpTimeInUse);
}
dprintf("\n"); // end indent
xdprintfEx(Depth, ("Irp %p Srb %p SenseBuffer %p\n",
MediaChangeIrp,
MediaChangeDetectionInfo + offset,
SenseBuffer
));
return;
}
VOID
ClassDumpFdo(
ULONG64 Address,
ULONG Detail,
ULONG Depth
)
{
ULONG result;
ULONG offset;
ULONG tmp;
ULONG64 LowerPdo;
ULONG64 DeviceDescriptor;
ULONG64 AdapterDescriptor;
ULONG DevicePowerState;
ULONG ErrorCount;
BOOLEAN DMActive;
ULONG DMByteSkew;
ULONG DMSkew;
ULONG64 SenseData;
ULONG TimeOutValue;
ULONG DeviceNumber;
ULONG FSrbFlags;
USHORT DeviceFlags;
ULONG64 DiskGeometryCylinders;
ULONG DiskGeometryMediaType;
ULONG DiskGeometryTracksPerCylinder;
ULONG DiskGeometrySectorsPerTrack;
ULONG DiskGeometryBytesPerSector;
LONG LockCount;
LONG ProtectedLockCount;
LONG InternalLockCount;
ULONG MediaChangeCount;
ULONG64 ChildLockOwner;
ULONG ChildLockAcquisitionCount;
FIELD_INFO deviceFields[] = {
{"LowerPdo", NULL, 0, COPY, 0, (PVOID) &LowerPdo},
{"DeviceDescriptor", NULL, 0, COPY, 0, (PVOID) &DeviceDescriptor},
{"AdapterDescriptor", NULL, 0, COPY, 0, (PVOID) &AdapterDescriptor},
{"DevicePowerState", NULL, 0, COPY, 0, (PVOID) &DevicePowerState},
{"ErrorCount", NULL, 0, COPY, 0, (PVOID) &ErrorCount},
{"DMActive", NULL, 0, COPY, 0, (PVOID) &DMActive},
{"DMByteSkew", NULL, 0, COPY, 0, (PVOID) &DMByteSkew},
{"DMSkew", NULL, 0, COPY, 0, (PVOID) &DMSkew},
{"SenseData", NULL, 0, COPY, 0, (PVOID) &SenseData},
{"TimeOutValue", NULL, 0, COPY, 0, (PVOID) &TimeOutValue},
{"DeviceNumber", NULL, 0, COPY, 0, (PVOID) &DeviceNumber},
{"SrbFlags", NULL, 0, COPY, 0, (PVOID) &FSrbFlags},
{"DeviceFlags", NULL, 0, COPY, 0, (PVOID) &DeviceFlags},
{"DiskGeometry.Cylinders", NULL, 0, COPY, 0, (PVOID) &DiskGeometryCylinders},
{"DiskGeometry.MediaType", NULL, 0, COPY, 0, (PVOID) &DiskGeometryMediaType},
{"DiskGeometry.TracksPerCylinder", NULL, 0, COPY, 0, (PVOID) &DiskGeometryTracksPerCylinder},
{"DiskGeometry.SectorsPerTrack", NULL, 0, COPY, 0, (PVOID) &DiskGeometrySectorsPerTrack},
{"DiskGeometry.BytesPerSector", NULL, 0, COPY, 0, (PVOID) &DiskGeometryBytesPerSector},
{"LockCount", NULL, 0, COPY, 0, (PVOID) &LockCount},
{"ProtectedLockCount", NULL, 0, COPY, 0, (PVOID) &ProtectedLockCount},
{"InternalLockCount", NULL, 0, COPY, 0, (PVOID) &InternalLockCount},
{"MediaChangeCount", NULL, 0, COPY, 0, (PVOID) &MediaChangeCount},
{"ChildLockOwner", NULL, 0, COPY, 0, (PVOID) &ChildLockOwner},
{"ChildLockAcquisitionCount", NULL, 0, COPY, 0, (PVOID) &ChildLockAcquisitionCount},
};
SYM_DUMP_PARAM DevSym = {
sizeof (SYM_DUMP_PARAM),
"classpnp!_FUNCTIONAL_DEVICE_EXTENSION",
DBG_DUMP_NO_PRINT,
Address,
NULL, NULL, NULL,
sizeof (deviceFields) / sizeof (FIELD_INFO),
&deviceFields[0]
};
result = Ioctl(IG_DUMP_SYMBOL_INFO, &DevSym, DevSym.size);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
tmp = Depth;
xdprintfEx(Depth, ("LowerPdo 0x%p DeviceDesc 0x%p AdapterDesc 0x%p\n",
LowerPdo,
DeviceDescriptor,
AdapterDescriptor));
xdprintfEx(Depth, ("DevicePowerState %d ErrorCount %#x\n",
DevicePowerState,
ErrorCount
));
if(DMActive) {
xdprintfEx(Depth, ("DMByteSkew 0x%08lx DmSkew 0x%08lx\n",
DMByteSkew,
DMSkew));
} else {
xdprintfEx(Depth, ("DM Not Found\n"));
}
xdprintfEx(Depth, ("Sense Data 0x%p Timeout %d DeviceNumber %d\n",
SenseData,
TimeOutValue,
DeviceNumber));
DumpFlags(Depth, "Srb Flags", FSrbFlags, SrbFlags);
DumpFlags(Depth, "Device Flags", DeviceFlags, FdoFlags);
xdprintfEx(Depth, ("DiskGeometry:\n"));
{
Depth++;
xdprintfEx(Depth, ("Cylinders %#I64x MediaType %#x\n",
DiskGeometryCylinders,
DiskGeometryMediaType
));
xdprintfEx(Depth, ("Tracks %#x Sectors %#x Bytes %#x\n",
DiskGeometryTracksPerCylinder,
DiskGeometrySectorsPerTrack,
DiskGeometryBytesPerSector));
Depth--;
}
xdprintfEx(Depth, ("Lock Counts: Normal %#x Protected %#x Internal %#x\n",
LockCount,
ProtectedLockCount,
InternalLockCount));
ClassDumpMediaChangeInfo(Address, Detail, Depth);
xdprintfEx(Depth, ("Media Change Count %#x\n", MediaChangeCount));
result = GetFieldOffset("classpnp!_FUNCTIONAL_DEVICE_EXTENSION",
"ChildLock",
&offset);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
xdprintfEx(Depth, ("ChildLock: Event %08p, Owner %08p, Count %#x\n",
Address + offset,
ChildLockOwner,
ChildLockAcquisitionCount
));
ClassDumpChildren(Address, Detail, Depth);
return;
}
VOID
ClassDumpChildren(
IN ULONG64 Fdo,
IN ULONG Detail,
IN ULONG Depth
)
{
ULONG i;
ULONG64 ChildList;
ULONG result;
xdprintfEx(Depth, ("Children: \n"));
Depth++;
result = GetFieldData(Fdo,
"classpnp!_COMMON_DEVICE_EXTENSION",
"ChildList",
sizeof(ULONG64),
&ChildList);
if (result) {
SCSIKD_PRINT_ERROR(result);
return;
}
if (ChildList == 0) {
xdprintfEx(Depth, ("No Children\n"));
}
while((ChildList != 0) && (!CheckControlC())) {
ULONG64 DeviceObject;
xdprintfEx(Depth, ("Child 0x%p ", ChildList));
/*
result = GetFieldData(ChildList,
"classpnp!_PHYSICAL_DEVICE_EXTENSION",
"DeviceObject",
sizeof(ULONG64),
&DeviceObject);
if (result) {
SCSIKD_PRINT_ERROR(result);
break;
}
*/
if(Detail > 1) {
dprintf("\n");
ClassDumpCommonExtension(ChildList,
Detail,
Depth + 1);
} else {
dprintf("DevObj 0x%p\n", ChildList);
}
//
// Get the next child.
//
result = GetFieldData(ChildList,
"classpnp!_COMMON_DEVICE_EXTENSION",
"ChildList",
sizeof(ULONG64),
&ChildList);
if (result) {
SCSIKD_PRINT_ERROR(result);
break;
}
}
return;
}
VOID
ClassDumpPdo(
ULONG64 Address,
ULONG Detail,
ULONG Depth
)
{
ULONG tmp;
BOOLEAN IsMissing;
BOOLEAN IsEnumerated;
tmp = Depth;
InitTypeRead(Address, classpnp!_PHYSICAL_DEVICE_EXTENSION);
IsMissing = (BOOLEAN)ReadField(IsMissing);
IsEnumerated = (BOOLEAN)ReadField(IsEnumerated);
if(IsMissing) {
xdprintfEx(tmp, ("Missing " ));
tmp = 0;
}
if(IsEnumerated) {
xdprintfEx(tmp, ("Enumerated"));
tmp = 0;
}
if(tmp == 0) {
dprintf("\n");
}
tmp = 0;
return;
}
BOOLEAN
ClassIsCheckedVersion(
ULONG64 RemoveTrackingSpinlock
)
{
if ((PVOID)RemoveTrackingSpinlock == (PVOID)-1) {
//
// negative one is an invalid value for a spinlock,
// therefore this is a FRE build
//
return FALSE;
} else {
return TRUE;
}
}
VOID
ClassDumpLocks(
ULONG64 CommonExtension,
ULONG Depth
)
/*++
Routine Description:
dumps the remove locks for a given device object
Arguments:
CommonExtension - a pointer to the local copy of the device object
common extension
Return Value:
None
--*/
{
ULONG result;
ULONG64 lockEntryAddress;
ULONG64 RemoveLock;
ULONG64 RemoveTrackingSpinlock;
ULONG64 RemoveTrackingList;
InitTypeRead(CommonExtension, classpnp!_COMMON_DEVICE_EXTENSION);
RemoveLock = ReadField(RemoveLock);
RemoveTrackingSpinlock = ReadField(RemoveTrackingSpinlock);
xdprintfEx(Depth, ("RemoveLock count is %d", RemoveLock));
//
// seeing if RemoveTrackingSpinLock is -1 is our check for the
// FRE version, which does not contain useful data.
//
if(!ClassIsCheckedVersion(RemoveTrackingSpinlock)) {
dprintf(" (not tracked on free build)\n");
return;
}
RemoveTrackingList = ReadField(RemoveTrackingList);
lockEntryAddress = RemoveTrackingList;
dprintf(":\n");
Depth++;
if(RemoveTrackingSpinlock != 0) {
xdprintfEx(Depth, ("RemoveTrackingList at %p is in intermediate state\n",
RemoveTrackingList));
return;
}
while((lockEntryAddress != 0L) && !CheckControlC()) {
UCHAR buffer[512];
ULONG64 Tag;
ULONG64 File;
ULONG64 Line;
ULONG64 NextBlock;
InitTypeRead(lockEntryAddress, classpnp!_REMOVE_TRACKING_BLOCK);
Tag = ReadField(Tag);
File = ReadField(File);
Line = ReadField(Line);
NextBlock = ReadField(NextBlock);
result = sizeof(buffer)-sizeof(UCHAR);
if(!GetAnsiString(File,
buffer,
&result)) {
xdprintfEx(Depth, ("Tag 0x%p File 0x%p Line %d\n",
Tag,
File,
Line));
} else {
PUCHAR name;
name = &buffer[result];
while((result > 0) &&
(*(name - 1) != '\\') &&
(*(name - 1) != '/') &&
(!CheckControlC())) {
name--;
result--;
}
xdprintfEx(Depth, ("Tag 0x%p File %8s Line %d\n",
Tag,
name,
Line));
}
lockEntryAddress = NextBlock;
}
return;
}
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