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[NTOS:IO] iorsrce.c: Add DBG traces for bus/device enumeration functions.

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Hermès Bélusca-Maïto 2023-05-28 22:44:08 +02:00
parent 2674e26cbb
commit 0b695a6f70
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1 changed files with 74 additions and 0 deletions
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74
ntoskrnl/io/iomgr/iorsrce.c
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@ -12,8 +12,19 @@
/* INCLUDES *****************************************************************/
#include <ntoskrnl.h>
#define NDEBUG
#include <debug.h>
#ifndef NDEBUG
#define IORSRCTRACE(...) DbgPrint(__VA_ARGS__)
#else
#if defined(_MSC_VER)
#define IORSRCTRACE __noop
#else
#define IORSRCTRACE(...) do { if(0) { DbgPrint(__VA_ARGS__); } } while(0)
#endif
#endif
/* GLOBALS *******************************************************************/
static CONFIGURATION_INFORMATION
@ -150,6 +161,14 @@ IopQueryDeviceDescription(
UNICODE_STRING TempString;
WCHAR TempBuffer[14];
IORSRCTRACE("\nIopQueryDeviceDescription(Query: 0x%p)\n"
" RootKey: '%wZ'\n"
" RootKeyHandle: 0x%p\n"
" Bus: %lu\n",
Query,
&RootKey, RootKeyHandle,
Bus);
/* Temporary string */
TempString.MaximumLength = sizeof(TempBuffer);
TempString.Length = 0;
@ -164,9 +183,12 @@ IopQueryDeviceDescription(
{
ControllerNumber = *Query->ControllerNumber;
MaximumControllerNumber = ControllerNumber + 1;
IORSRCTRACE(" Getting controller #%lu\n", ControllerNumber);
}
else
{
IORSRCTRACE(" Enumerating controllers in '%wZ'...\n", &ControllerRootRegName);
/* Find out how many controllers there are */
InitializeObjectAttributes(&ObjectAttributes,
&ControllerRootRegName,
@ -234,6 +256,8 @@ IopQueryDeviceDescription(
if (!NT_SUCCESS(Status))
break;
IORSRCTRACE(" Retrieving controller '%wZ'\n", &ControllerRootRegName);
/* Open the registry key */
InitializeObjectAttributes(&ObjectAttributes,
&ControllerRootRegName,
@ -289,6 +313,9 @@ IopQueryDeviceDescription(
/* We now have bus *AND* controller information, is it enough? */
if (!Query->PeripheralType || !(*Query->PeripheralType))
{
IORSRCTRACE(" --> Bus #%lu Controller #%lu Callout: '%wZ'\n",
Bus, ControllerNumber, &ControllerRootRegName);
Status = Query->CalloutRoutine(Query->Context,
&ControllerRootRegName,
*Query->BusType,
@ -316,9 +343,12 @@ IopQueryDeviceDescription(
{
PeripheralNumber = *Query->PeripheralNumber;
MaximumPeripheralNumber = PeripheralNumber + 1;
IORSRCTRACE(" Getting peripheral #%lu\n", PeripheralNumber);
}
else
{
IORSRCTRACE(" Enumerating peripherals in '%wZ'...\n", &ControllerRootRegName);
/* Find out how many peripherals there are */
InitializeObjectAttributes(&ObjectAttributes,
&ControllerRootRegName,
@ -385,6 +415,8 @@ IopQueryDeviceDescription(
if (!NT_SUCCESS(Status))
break;
IORSRCTRACE(" Retrieving peripheral '%wZ'\n", &ControllerRootRegName);
/* Open the registry key */
InitializeObjectAttributes(&ObjectAttributes,
&ControllerRootRegName,
@ -435,6 +467,9 @@ IopQueryDeviceDescription(
/* We now have everything the caller could possibly want */
if (NT_SUCCESS(Status))
{
IORSRCTRACE(" --> Bus #%lu Controller #%lu Peripheral #%lu Callout: '%wZ'\n",
Bus, ControllerNumber, PeripheralNumber, &ControllerRootRegName);
Status = Query->CalloutRoutine(Query->Context,
&ControllerRootRegName,
*Query->BusType,
@ -531,6 +566,16 @@ IopQueryBusDescription(
PKEY_VALUE_FULL_INFORMATION BusInformation[IoQueryDeviceMaxData] =
{NULL, NULL, NULL};
IORSRCTRACE("\nIopQueryBusDescription(Query: 0x%p)\n"
" RootKey: '%wZ'\n"
" RootKeyHandle: 0x%p\n"
" KeyIsRoot: %s\n"
" Bus: 0x%p (%lu)\n",
Query,
&RootKey, RootKeyHandle,
KeyIsRoot ? "TRUE" : "FALSE",
Bus, Bus ? *Bus : -1);
/* Retrieve the necessary buffer space */
Status = ZwQueryKey(RootKeyHandle,
KeyFullInformation,
@ -587,6 +632,8 @@ IopQueryBusDescription(
if (!NT_SUCCESS(Status))
break;
IORSRCTRACE(" Seen: '%.*ws'\n", BasicInformation->NameLength/sizeof(WCHAR), BasicInformation->Name);
/* What bus are we going to go down? (only check if this is a root key) */
if (KeyIsRoot)
{
@ -622,6 +669,8 @@ IopQueryBusDescription(
RtlAppendUnicodeToString(&SubRootRegName, L"\\");
RtlAppendUnicodeStringToString(&SubRootRegName, &BusString);
IORSRCTRACE(" SubRootRegName: '%wZ'\n", &SubRootRegName);
if (!KeyIsRoot)
{
/* Parsing a sub-bus key */
@ -631,6 +680,8 @@ IopQueryBusDescription(
/* Identifier string first */
RtlInitUnicodeString(&SubBusString, IoDeviceInfoNames[SubBusLoop]);
IORSRCTRACE(" Getting bus value: '%wZ'\n", &SubBusString);
/* Retrieve the necessary buffer space */
ZwQueryValueKey(SubRootKeyHandle,
&SubBusString,
@ -670,6 +721,8 @@ IopQueryBusDescription(
{
if (Query->ControllerType == NULL)
{
IORSRCTRACE(" --> Bus #%lu Callout: '%wZ'\n", *Bus, &SubRootRegName);
/* We don't want controller information: call the callback */
Status = Query->CalloutRoutine(Query->Context,
&SubRootRegName,
@ -685,6 +738,8 @@ IopQueryBusDescription(
}
else
{
IORSRCTRACE(" --> Getting device on Bus #%lu : '%wZ'\n", *Bus, &SubRootRegName);
/* We want controller information: get it */
Status = IopQueryDeviceDescription(Query,
SubRootRegName,
@ -1143,6 +1198,25 @@ IoQueryDeviceDescription(
HANDLE RootRegHandle;
IO_QUERY Query;
IORSRCTRACE("\nIoQueryDeviceDescription()\n"
" BusType: 0x%p (%lu)\n"
" BusNumber: 0x%p (%lu)\n"
" ControllerType: 0x%p (%lu)\n"
" ControllerNumber: 0x%p (%lu)\n"
" PeripheralType: 0x%p (%lu)\n"
" PeripheralNumber: 0x%p (%lu)\n"
" CalloutRoutine: 0x%p\n"
" Context: 0x%p\n"
"--> Query: 0x%p\n",
BusType, BusType ? *BusType : -1,
BusNumber, BusNumber ? *BusNumber : -1,
ControllerType, ControllerType ? *ControllerType : -1,
ControllerNumber, ControllerNumber ? *ControllerNumber : -1,
PeripheralType, PeripheralType ? *PeripheralType : -1,
PeripheralNumber, PeripheralNumber ? *PeripheralNumber : -1,
CalloutRoutine, Context,
&Query);
/* Set up the string */
RootRegKey.Length = 0;
RootRegKey.MaximumLength = 2048;