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472 lines
8.7 KiB
472 lines
8.7 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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ref.c
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Abstract:
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Implements the cref, eref, and gref commands.
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Author:
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Keith Moore (keithmo) 09-Dec-1995
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Environment:
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User Mode.
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Revision History:
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--*/
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#include "afdkdp.h"
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#pragma hdrstop
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DECLARE_API( eref )
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/*++
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Routine Description:
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Dumps the AFD_REFERENCE_DEBUG structure at the specified address.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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ULONG64 address = 0;
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ULONG idx;
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gClient = pClient;
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if (!CheckKmGlobals ()) {
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return E_INVALIDARG;
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}
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//
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// Verify we're running a checked AFD.SYS.
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//
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if( !IsReferenceDebug ) {
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dprintf(
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"eref: this command only available with CHECKED or specially\n"
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" built (with /DREFERENCE_DEBUG=1) AFD.SYS!\n"
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);
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return E_INVALIDARG;
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}
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//
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// Snag the address from the command line.
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//
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address = GetExpression (args);
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if( address == 0 ) {
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dprintf( "\nUsage: eref endpoint_address\n" );
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return E_INVALIDARG;
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}
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if (GetFieldValue (address,
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"AFD!AFD_ENDPOINT",
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"CurrentReferenceSlot",
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idx)!=0) {
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dprintf("\neref: Could not read CurrentReferenceSlot for endpoint %p\n",
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address );
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return E_INVALIDARG;
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}
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if (SavedMinorVersion>=3554) {
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ULONG timeHigh;
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if (GetFieldValue (address,
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"AFD!AFD_ENDPOINT",
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"CurrentTimeHigh",
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timeHigh)!=0) {
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dprintf("\neref: Could not read CurrentTimeHigh for endpoint %p\n",
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address );
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return E_INVALIDARG;
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}
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DumpAfdReferenceDebug(
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address+EndpRefOffset, (ULONGLONG)idx+((ULONGLONG)timeHigh<<32)
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);
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}
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else {
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DumpAfdReferenceDebug(
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address+EndpRefOffset, idx
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);
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}
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return S_OK;
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} // eref
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DECLARE_API( cref )
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/*++
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Routine Description:
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Dumps the AFD_REFERENCE_DEBUG structure at the specified address.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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ULONG64 address = 0;
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ULONG idx;
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gClient = pClient;
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if (!CheckKmGlobals ()) {
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return E_INVALIDARG;
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}
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//
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// Verify we're running a checked AFD.SYS.
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//
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if( !IsReferenceDebug ) {
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dprintf(
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"cref: this command only available with CHECKED or specially\n"
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" built (with /DREFERENCE_DEBUG=1) AFD.SYS!\n"
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);
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return E_INVALIDARG;
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}
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//
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// Snag the address from the command line.
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//
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address = GetExpression (args);
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if( address == 0 ) {
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dprintf( "\nUsage: cref connection_address\n" );
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return E_INVALIDARG;
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}
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if (GetFieldValue (address,
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"AFD!AFD_CONNECTION",
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"CurrentReferenceSlot",
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idx)!=0) {
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dprintf("\ncref: Could not read CurrentReferenceSlot for connection %p\n",
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address );
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return E_INVALIDARG;
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}
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if (SavedMinorVersion>=3554) {
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ULONG timeHigh;
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if (GetFieldValue (address,
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"AFD!AFD_CONNECTION",
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"CurrentTimeHigh",
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timeHigh)!=0) {
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dprintf("\neref: Could not read CurrentTimeHigh for connection %p\n",
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address );
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return E_INVALIDARG;
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}
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DumpAfdReferenceDebug(
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address+ConnRefOffset, (ULONGLONG)idx+((ULONGLONG)timeHigh<<32)
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);
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}
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else {
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DumpAfdReferenceDebug(
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address+ConnRefOffset, idx
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);
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}
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return S_OK;
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} // cref
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DECLARE_API( tref )
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/*++
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Routine Description:
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Dumps the AFD_REFERENCE_DEBUG structure at the specified address.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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ULONG64 address = 0;
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ULONG idx;
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gClient = pClient;
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if (!CheckKmGlobals ()) {
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return E_INVALIDARG;
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}
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//
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// Verify we're running a checked AFD.SYS.
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//
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if( !IsReferenceDebug ) {
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dprintf(
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"tref: this command only available with CHECKED or specially\n"
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" built (with /DREFERENCE_DEBUG=1) AFD.SYS!\n"
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);
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return E_INVALIDARG;
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}
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//
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// Snag the address from the command line.
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//
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address = GetExpression (args);
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if( address == 0 ) {
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dprintf( "\nUsage: tref tpacket_info_address\n" );
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return E_INVALIDARG;
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}
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if (GetFieldValue (address,
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"AFD!AFD_TPACKETS_INFO_INTERNAL",
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"CurrentReferenceSlot",
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idx)!=0) {
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dprintf("\ntref: Could not read CurrentReferenceSlot for tpInfo %p\n",
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address );
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return E_INVALIDARG;
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}
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if (SavedMinorVersion>=3554) {
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ULONG timeHigh;
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if (GetFieldValue (address,
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"AFD!AFD_TPACKETS_INFO_INTERNAL",
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"CurrentTimeHigh",
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timeHigh)!=0) {
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dprintf("\neref: Could not read CurrentTimeHigh for tpInfo %p\n",
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address );
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return E_INVALIDARG;
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}
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DumpAfdReferenceDebug(
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address+TPackRefOffset, (ULONGLONG)idx+((ULONGLONG)timeHigh<<32)
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);
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}
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else {
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DumpAfdReferenceDebug(
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address+TPackRefOffset, idx
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);
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}
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return S_OK;
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} // tref
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DECLARE_API( gref )
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/*++
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Routine Description:
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Dumps the AFD_GLOBAL_REFERENCE_DEBUG structure in the system.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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#if GLOBAL_REFERENCE_DEBUG
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ULONG64 address;
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DWORD currentSlot;
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DWORD slot;
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ULONG result;
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ULONG64 compareAddress = 0;
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DWORD numEntries;
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DWORD maxEntries;
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DWORD entriesToRead;
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CHAR buffer[sizeof(AFD_GLOBAL_REFERENCE_DEBUG) * 64];
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gClient = pClient;
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if (!CheckKmGlobals ()) {
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return E_INVALIDARG;
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}
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//
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// Verify we're running a checked AFD.SYS.
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//
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if( !IsCheckedAfd ) {
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dprintf(
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"gref: this command only available with CHECKED AFD.SYS!\n"
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);
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return E_INVALIDARG;
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}
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//
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// Snag the optional "connection compare" address from the command line.
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//
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sscanf( args, "%lx", &compareAddress );
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//
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// Find the global reference data.
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//
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address = GetExpression( "afd!AfdGlobalReference" );
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if( address == 0 ) {
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dprintf( "cannot find afd!AfdGlobalReference\n" );
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return E_INVALIDARG;
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}
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currentSlot = GetExpression( "afd!AfdGlobalReferenceSlot" );
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if( currentSlot == 0 ) {
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dprintf( "cannot find afd!AfdGlobalReferenceSlot\n" );
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return E_INVALIDARG;
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}
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if( !ReadMemory(
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currentSlot,
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¤tSlot,
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sizeof(currentSlot),
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&result
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) ) {
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dprintf( "cannot read afd!AfdGlobalReferenceSlot\n" );
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return E_INVALIDARG;
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}
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if( currentSlot < MAX_GLOBAL_REFERENCE ) {
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numEntries = currentSlot;
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} else {
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numEntries = MAX_GLOBAL_REFERENCE;
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}
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//
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// Dump it all.
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//
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slot = 0;
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maxEntries = sizeof(buffer) / sizeof(AFD_GLOBAL_REFERENCE_DEBUG);
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currentSlot %= MAX_GLOBAL_REFERENCE;
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while( numEntries > 0 ) {
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entriesToRead = min( numEntries, maxEntries );
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if (CheckControlC ())
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break;
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if( !ReadMemory(
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address,
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buffer,
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entriesToRead * sizeof(AFD_GLOBAL_REFERENCE_DEBUG),
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&result
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) ) {
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dprintf(
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"gref: cannot read AFD_GLOBAL_REFERENCE_DEBUG @ %p\n",
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address
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);
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return;
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}
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if( DumpAfdGlobalReferenceDebug(
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(PAFD_GLOBAL_REFERENCE_DEBUG)buffer,
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address,
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currentSlot,
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slot,
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entriesToRead,
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compareAddress
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) ) {
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break;
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}
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address += entriesToRead * sizeof(AFD_GLOBAL_REFERENCE_DEBUG);
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slot += entriesToRead;
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numEntries -= entriesToRead;
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}
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return S_OK;
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#else
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dprintf(
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"gref: not yet implemented\n"
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);
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return E_INVALIDARG;
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#endif
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} // gref
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