153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/*++
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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debug.c
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Author:
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ervinp
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Environment:
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Kernel mode
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Revision History:
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--*/
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#include <WDM.H>
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#include <usbdi.h>
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#include <usbdlib.h>
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#include <usbioctl.h>
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#include "usb8023.h"
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#include "debug.h"
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#if DBG
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BOOLEAN dbgTrapOnWarn = FALSE;
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BOOLEAN dbgVerbose = FALSE;
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BOOLEAN dbgDumpBytes = FALSE; // show all packets; slows us down too much to run
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BOOLEAN dbgDumpPktStatesOnEmpty = TRUE;
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VOID InitDebug()
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{
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#if DBG_WRAP_MEMORY
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InitializeListHead(&dbgAllMemoryList);
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#endif
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}
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VOID DbgShowBytes(PUCHAR msg, PUCHAR buf, ULONG len)
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{
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#define PRNT(ch) ((((ch) < ' ') || ((ch) > '~')) ? '.' : (ch))
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if (dbgDumpBytes){
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ULONG i;
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DbgPrint("%s (len %xh @ %p): \r\n", msg, len, buf);
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for (i = 0; i < len; i += 16){
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DbgPrint(" ");
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if (len-i >= 16){
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PUCHAR ptr = buf+i;
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DbgPrint("%02x %02x %02x %02x %02x %02x %02x %02x "
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"%02x %02x %02x %02x %02x %02x %02x %02x "
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" "
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"%c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c",
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ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7],
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ptr[8], ptr[9], ptr[10], ptr[11], ptr[12], ptr[13], ptr[14], ptr[15],
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PRNT(ptr[0]), PRNT(ptr[1]), PRNT(ptr[2]), PRNT(ptr[3]),
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PRNT(ptr[4]), PRNT(ptr[5]), PRNT(ptr[6]), PRNT(ptr[7]),
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PRNT(ptr[8]), PRNT(ptr[9]), PRNT(ptr[10]), PRNT(ptr[11]),
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PRNT(ptr[12]), PRNT(ptr[13]), PRNT(ptr[14]), PRNT(ptr[15])
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);
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}
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else {
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ULONG j;
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for (j = 0; j < 16; j++){
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if (j == 8) DbgPrint(" ");
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if (i+j < len){
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DbgPrint("%02x ", (ULONG)buf[i+j]);
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}
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else {
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DbgPrint(" ");
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}
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}
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DbgPrint(" ");
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for (j = 0; j < 16; j++){
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if (j == 8) DbgPrint(" ");
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if (i+j < len){
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UCHAR ch = buf[i+j];
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DbgPrint("%c", PRNT(ch));
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}
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else {
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// DbgPrint(" ");
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}
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}
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}
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DbgPrint("\r\n");
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}
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}
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}
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VOID DbgShowMdlBytes(PUCHAR msg, PMDL mdl)
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{
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if (dbgDumpBytes){
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DbgPrint("\n %s (MDL @ %p): \r\n", msg, mdl);
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while (mdl){
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PVOID thisBuf = MmGetSystemAddressForMdl(mdl);
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ULONG thisBufLen = MmGetMdlByteCount(mdl);
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DbgShowBytes(" <MDL buffer>", thisBuf, thisBufLen);
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mdl = mdl->Next;
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}
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}
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}
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DbgDumpPacketList(PUCHAR msg, PLIST_ENTRY listHead)
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{
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PLIST_ENTRY listEntry;
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USBPACKET *packet;
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ULONG timeNow = DbgGetSystemTime_msec();
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DbgPrint("\n %s: ", msg);
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for (listEntry = listHead->Flink; listEntry != listHead; listEntry = listEntry->Flink){
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packet = CONTAINING_RECORD(listEntry, USBPACKET, listEntry);
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DbgPrint("\n packet #%d @%p - buf @%p, len=%xh, (msg:%xh), age=%d msec", packet->packetId, packet, packet->dataBuffer, packet->dataBufferCurrentLength, *(PULONG)packet->dataBuffer, timeNow-packet->timeStamp);
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}
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}
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VOID DbgDumpPacketStates(ADAPTEREXT *adapter)
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{
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if (dbgDumpPktStatesOnEmpty){
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KIRQL oldIrql;
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KeAcquireSpinLock(&adapter->adapterSpinLock, &oldIrql);
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DbgPrint("\n *** USB8023 RAN OUT OF PACKETS, dumping packet states: *** ");
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DbgDumpPacketList("PENDING READ packets", &adapter->usbPendingReadPackets);
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DbgDumpPacketList("PENDING WRITE packets", &adapter->usbPendingWritePackets);
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DbgDumpPacketList("COMPLETED READ packets", &adapter->usbCompletedReadPackets);
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DbgDumpPacketList("FREE packets", &adapter->usbFreePacketPool);
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DbgPrint("\n hit 'g' to continue ...");
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DbgBreakPoint();
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KeReleaseSpinLock(&adapter->adapterSpinLock, oldIrql);
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}
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}
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#endif
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