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Implement IoRegisterPlugPlayNotification, IoUnregisterPlugPlayNotification

Browse source 
Implement IoSetDeviceInterfaceState
Fix IoRegisterDeviceInterface
Add prototype for ExFreePoolWithTag

namespc.c: change STATUS_UNSUCCESSFUL to STATUS_OBJECT_NAME_INVALID

SVN maintenance in ntoskrnl/kd/wrappers/

svn path=/trunk/; revision=14866
This commit is contained in:
Hervé Poussineau 2005-04-30 09:39:09 +00:00
parent 847279d106
commit b8bccfb8b4
9 changed files with 344 additions and 24 deletions
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7
reactos/include/ddk/exfuncs.h
View file

@ -215,6 +215,13 @@ ExFreePool (
PVOID block
);
void
STDCALL
ExFreePoolWithTag (
PVOID block,
ULONG tag
);
/*
* PVOID
* ExFreeToZone (

3
reactos/include/ddk/pnptypes.h
View file

@ -147,6 +147,9 @@ typedef enum _IO_NOTIFICATION_EVENT_CATEGORY {
EventCategoryTargetDeviceChange
} IO_NOTIFICATION_EVENT_CATEGORY;
/* EventCategoryFlags for IoRegisterPlugPlayNotification */
#define PNPNOTIFY_DEVICE_INTERFACE_INCLUDE_EXISTING_INTERFACES 0x00000001
/* CallbackRoutine for IoRegisterPlugPlayNotification */
typedef NTSTATUS STDCALL_FUNC
(*PDRIVER_NOTIFICATION_CALLBACK_ROUTINE)(

4
reactos/include/ntos/ntpnp.h
View file

@ -38,8 +38,8 @@ DEFINE_GUID(GUID_DEVICE_REMOVAL_VETOED, 0x60DBD5FA, 0xDDD2, 0x11D2, 0x97, 0xB8,
DEFINE_GUID(GUID_DEVICE_HIBERNATE_VETOED, 0x61173AD9, 0x194F, 0x11D3, 0x97, 0xDC, 0x00, 0xA0, 0xC9, 0x40, 0x52, 0x2E);
DEFINE_GUID(GUID_DEVICE_BATTERY, 0x72631E54, 0x78A4, 0x11D0, 0xBC, 0xF7, 0x00, 0xAA, 0x00, 0xB7, 0xB3, 0x2A);
DEFINE_GUID(GUID_DEVICE_SAFE_REMOVAL, 0x8FBEF967, 0xD6C5, 0x11D2, 0x97, 0xB5, 0x00, 0xA0, 0xC9, 0x40, 0x52, 0x2E);
/* DEFINE_GUID(GUID_DEVICE_INTERFACE_ARRIVAL, 0xCB3A4004, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F); */
/* DEFINE_GUID(GUID_DEVICE_INTERFACE_REMOVAL, 0xCB3A4005, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F); */
DEFINE_GUID(GUID_DEVICE_INTERFACE_ARRIVAL, 0xCB3A4004, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F);
DEFINE_GUID(GUID_DEVICE_INTERFACE_REMOVAL, 0xCB3A4005, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F);
DEFINE_GUID(GUID_DEVICE_ARRIVAL, 0xCB3A4009, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F);
DEFINE_GUID(GUID_DEVICE_ENUMERATED, 0xCB3A400A, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F);
DEFINE_GUID(GUID_DEVICE_ENUMERATE_REQUEST, 0xCB3A400B, 0x46F0, 0x11D0, 0xB0, 0x8F, 0x00, 0x60, 0x97, 0x13, 0x05, 0x3F);

11
reactos/ntoskrnl/include/internal/io.h
View file

@ -330,6 +330,17 @@ PnpInit(VOID);
VOID
IopInitDriverImplementation(VOID);
VOID
IopInitPnpNotificationImplementation(VOID);
VOID
IopNotifyPlugPlayNotification(
IN PDEVICE_OBJECT DeviceObject,
IN IO_NOTIFICATION_EVENT_CATEGORY EventCategory,
IN GUID* Event,
IN PVOID EventCategoryData1,
IN PVOID EventCategoryData2);
NTSTATUS
IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject);
NTSTATUS

62
reactos/ntoskrnl/io/deviface.c
View file

@ -7,6 +7,7 @@
*
* PROGRAMMERS: Filip Navara (xnavara@volny.cz)
* Matthew Brace (ismarc@austin.rr.com)
* Hervé Poussineau (hpoussin@reactos.com)
*/
/* INCLUDES ******************************************************************/
@ -573,6 +574,8 @@ IoRegisterDeviceInterface(
UNICODE_STRING GuidString;
UNICODE_STRING SubKeyName;
UNICODE_STRING BaseKeyName;
UCHAR PdoNameInfoBuffer[sizeof(OBJECT_NAME_INFORMATION) + (256 * sizeof(WCHAR))];
POBJECT_NAME_INFORMATION PdoNameInfo = (POBJECT_NAME_INFORMATION)PdoNameInfoBuffer;
UNICODE_STRING DeviceInstance = RTL_CONSTANT_STRING(L"DeviceInstance");
UNICODE_STRING SymbolicLink = RTL_CONSTANT_STRING(L"SymbolicLink");
HANDLE InterfaceKey;
@ -589,6 +592,19 @@ IoRegisterDeviceInterface(
return Status;
}
/* Create Pdo name: \Device\xxxxxxxx (unnamed device) */
Status = ObQueryNameString(
PhysicalDeviceObject,
PdoNameInfo,
sizeof(PdoNameInfoBuffer),
&i);
if (!NT_SUCCESS(Status))
{
DPRINT("ObQueryNameString() failed with status 0x%08lx\n", Status);
return Status;
}
ASSERT(PdoNameInfo->Name.Length);
/* Create base key name for this interface: HKLM\SYSTEM\CurrentControlSet\DeviceClasses\{GUID}\##?#ACPI#PNP0501#1#{GUID} */
InstancePath = &PhysicalDeviceObject->DeviceObjectExtension->DeviceNode->InstancePath;
BaseKeyName.Length = wcslen(BaseKeyString) * sizeof(WCHAR);
@ -703,10 +719,10 @@ IoRegisterDeviceInterface(
return Status;
}
/* Create symbolic link name: \\?\ACPI#PNP0501#1#{GUID}\ReferenceString */
/* Create symbolic link name: \??\ACPI#PNP0501#1#{GUID}\ReferenceString */
SymbolicLinkName->Length = 0;
SymbolicLinkName->MaximumLength = SymbolicLinkName->Length
+ 4 * sizeof(WCHAR) /* 5 = size of \\??\ */
+ 4 * sizeof(WCHAR) /* 4 = size of \??\ */
+ InstancePath->Length
+ sizeof(WCHAR) /* 1 = size of # */
+ GuidString.Length
@ -725,7 +741,7 @@ IoRegisterDeviceInterface(
ExFreePool(BaseKeyName.Buffer);
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlAppendUnicodeToString(SymbolicLinkName, L"\\\\??\\");
RtlAppendUnicodeToString(SymbolicLinkName, L"\\??\\");
StartIndex = SymbolicLinkName->Length / sizeof(WCHAR);
RtlAppendUnicodeStringToString(SymbolicLinkName, InstancePath);
for (i = 0; i < InstancePath->Length / sizeof(WCHAR); i++)
@ -743,7 +759,8 @@ IoRegisterDeviceInterface(
SymbolicLinkName->Buffer[SymbolicLinkName->Length] = '\0';
/* Create symbolic link */
Status = IoCreateSymbolicLink(SymbolicLinkName, InstancePath);
DPRINT("IoRegisterDeviceInterface(): creating symbolic link %wZ -> %wZ\n", SymbolicLinkName, &PdoNameInfo->Name);
Status = IoCreateSymbolicLink(SymbolicLinkName, &PdoNameInfo->Name);
if (!NT_SUCCESS(Status))
{
DPRINT("IoCreateSymbolicLink() failed with status 0x%08lx\n", Status);
@ -778,7 +795,7 @@ IoRegisterDeviceInterface(
}
/*
* @unimplemented
* @implemented
*/
NTSTATUS STDCALL
@ -786,7 +803,40 @@ IoSetDeviceInterfaceState(
IN PUNICODE_STRING SymbolicLinkName,
IN BOOLEAN Enable)
{
DPRINT("IoSetDeviceInterfaceState called (UNIMPLEMENTED)\n");
PDEVICE_OBJECT PhysicalDeviceObject;
PFILE_OBJECT FileObject;
UNICODE_STRING GuidString;
PWCHAR StartPosition;
PWCHAR EndPosition;
NTSTATUS Status;
if (SymbolicLinkName == NULL)
return STATUS_INVALID_PARAMETER_1;
DPRINT("IoSetDeviceInterfaceState('%wZ', %d)\n", SymbolicLinkName, Enable);
Status = IoGetDeviceObjectPointer(SymbolicLinkName,
0, /* DesiredAccess */
&FileObject,
&PhysicalDeviceObject);
if (!NT_SUCCESS(Status))
return Status;
/* Symbolic link name is \??\ACPI#PNP0501#1#{GUID}\ReferenceString */
/* Get GUID from SymbolicLinkName */
StartPosition = wcschr(SymbolicLinkName->Buffer, L'{');
EndPosition = wcschr(SymbolicLinkName->Buffer, L'}');
if (!StartPosition ||!EndPosition || StartPosition > EndPosition)
return STATUS_INVALID_PARAMETER_1;
GuidString.Buffer = StartPosition;
GuidString.MaximumLength = GuidString.Length = (ULONG_PTR)(EndPosition + 1) - (ULONG_PTR)StartPosition;
IopNotifyPlugPlayNotification(
PhysicalDeviceObject,
EventCategoryDeviceInterfaceChange,
Enable ? (LPGUID)&GUID_DEVICE_INTERFACE_ARRIVAL : (LPGUID)&GUID_DEVICE_INTERFACE_REMOVAL,
&GuidString,
(PVOID)SymbolicLinkName);
return STATUS_SUCCESS;
}

1
reactos/ntoskrnl/io/iomgr.c
View file

@ -216,6 +216,7 @@ IoInit (VOID)
IoInitFileSystemImplementation();
IoInitVpbImplementation();
IoInitShutdownNotification();
IopInitPnpNotificationImplementation();
IopInitErrorLog();
IopInitTimerImplementation();
IopInitIoCompletionImplementation();

276
reactos/ntoskrnl/io/pnpnotify.c
View file

@ -6,13 +6,32 @@
* PURPOSE: Plug & Play notification functions
*
* PROGRAMMERS: Filip Navara (xnavara@volny.cz)
* Hervé Poussineau (hpoussin@reactos.com)
*/
/* INCLUDES ******************************************************************/
#define NDEBUG
#include <ntoskrnl.h>
#include <internal/debug.h>
/* TYPES *******************************************************************/
typedef struct _PNP_NOTIFY_ENTRY
{
LIST_ENTRY PnpNotifyList;
IO_NOTIFICATION_EVENT_CATEGORY EventCategory;
PVOID Context;
UNICODE_STRING Guid;
PFILE_OBJECT FileObject;
PDRIVER_NOTIFICATION_CALLBACK_ROUTINE PnpNotificationProc;
} PNP_NOTIFY_ENTRY, *PPNP_NOTIFY_ENTRY;
static KGUARDED_MUTEX PnpNotifyListLock;
static LIST_ENTRY PnpNotifyListHead;
#define TAG_PNP_NOTIFY TAG('P', 'n', 'P', 'N')
/* FUNCTIONS *****************************************************************/
/*
@ -32,33 +51,262 @@ IoPnPDeliverServicePowerNotification(
}
/*
* @unimplemented
* @implemented
*/
NTSTATUS
STDCALL
IoRegisterPlugPlayNotification(
IN IO_NOTIFICATION_EVENT_CATEGORY EventCategory,
IN ULONG EventCategoryFlags,
IN PVOID EventCategoryData OPTIONAL,
IN PDRIVER_OBJECT DriverObject,
IN PDRIVER_NOTIFICATION_CALLBACK_ROUTINE CallbackRoutine,
IN PVOID Context,
OUT PVOID *NotificationEntry)
IN IO_NOTIFICATION_EVENT_CATEGORY EventCategory,
IN ULONG EventCategoryFlags,
IN PVOID EventCategoryData OPTIONAL,
IN PDRIVER_OBJECT DriverObject,
IN PDRIVER_NOTIFICATION_CALLBACK_ROUTINE CallbackRoutine,
IN PVOID Context,
OUT PVOID *NotificationEntry)
{
DPRINT("IoRegisterPlugPlayNotification called (UNIMPLEMENTED)\n");
return STATUS_NOT_IMPLEMENTED;
PPNP_NOTIFY_ENTRY Entry;
PWSTR SymbolicLinkList;
NTSTATUS Status;
PAGED_CODE();
DPRINT("IoRegisterPlugPlayNotification(EventCategory 0x%x, EventCategoryFlags 0x%lx, DriverObject %p) called.\n",
EventCategory,
EventCategoryFlags,
DriverObject);
ObReferenceObject(DriverObject);
/* Try to allocate entry for notification before sending any notification */
Entry = ExAllocatePoolWithTag(
NonPagedPool,
sizeof(PNP_NOTIFY_ENTRY),
TAG_PNP_NOTIFY);
if (!Entry)
{
DPRINT("ExAllocatePool() failed\n");
ObDereferenceObject(DriverObject);
return STATUS_INSUFFICIENT_RESOURCES;
}
if (EventCategory == EventCategoryTargetDeviceChange
&& EventCategoryFlags & PNPNOTIFY_DEVICE_INTERFACE_INCLUDE_EXISTING_INTERFACES)
{
Status = IoGetDeviceInterfaces(
(LPGUID)EventCategoryData,
NULL, /* PhysicalDeviceObject OPTIONAL */
0, /* Flags */
&SymbolicLinkList);
if (!NT_SUCCESS(Status))
{
DPRINT("IoGetDeviceInterfaces() failed with status 0x%08lx\n", Status);
ExFreePoolWithTag(Entry, TAG_PNP_NOTIFY);
ObDereferenceObject(DriverObject);
return Status;
}
/* FIXME: enumerate SymbolicLinkList */
DPRINT1("IoRegisterPlugPlayNotification(): need to send notifications for existing interfaces!\n");
ExFreePool(SymbolicLinkList);
}
Entry->PnpNotificationProc = CallbackRoutine;
Entry->EventCategory = EventCategory;
Entry->Context = Context;
switch (EventCategory)
{
case EventCategoryDeviceInterfaceChange:
{
Status = RtlStringFromGUID(EventCategoryData, &Entry->Guid);
if (!NT_SUCCESS(Status))
{
ExFreePoolWithTag(Entry, TAG_PNP_NOTIFY);
ObDereferenceObject(DriverObject);
return Status;
}
break;
}
case EventCategoryHardwareProfileChange:
{
/* nothing to do */
break;
}
case EventCategoryTargetDeviceChange:
{
Entry->FileObject = (PFILE_OBJECT)EventCategoryData;
break;
}
default:
{
DPRINT1("IoRegisterPlugPlayNotification(): unknown EventCategory 0x%x UNIMPLEMENTED\n", EventCategory);
break;
}
}
KeAcquireGuardedMutex(&PnpNotifyListLock);
InsertHeadList(&PnpNotifyListHead,
&Entry->PnpNotifyList);
KeReleaseGuardedMutex(&PnpNotifyListLock);
DPRINT("IoRegisterPlugPlayNotification() returns NotificationEntry %p\n",
Entry);
*NotificationEntry = Entry;
return STATUS_SUCCESS;
}
/*
* @unimplemented
* @implemented
*/
NTSTATUS
STDCALL
IoUnregisterPlugPlayNotification(
IN PVOID NotificationEntry)
IN PVOID NotificationEntry)
{
DPRINT("IoUnregisterPlugPlayNotification called (UNIMPLEMENTED)\n");
return STATUS_NOT_IMPLEMENTED;
PPNP_NOTIFY_ENTRY Entry;
PAGED_CODE();
Entry = (PPNP_NOTIFY_ENTRY)NotificationEntry;
DPRINT("IoUnregisterPlugPlayNotification(NotificationEntry %p) called\n",
Entry);
KeAcquireGuardedMutex(&PnpNotifyListLock);
RtlFreeUnicodeString(&Entry->Guid);
RemoveEntryList(&Entry->PnpNotifyList);
KeReleaseGuardedMutex(&PnpNotifyListLock);
return STATUS_SUCCESS;
}
VOID
IopNotifyPlugPlayNotification(
IN PDEVICE_OBJECT DeviceObject,
IN IO_NOTIFICATION_EVENT_CATEGORY EventCategory,
IN GUID* Event,
IN PVOID EventCategoryData1,
IN PVOID EventCategoryData2)
{
PPNP_NOTIFY_ENTRY ChangeEntry;
PLIST_ENTRY Entry;
PVOID NotificationStructure;
BOOLEAN CallCurrentEntry;
ASSERT(DeviceObject);
KeAcquireGuardedMutex(&PnpNotifyListLock);
if (IsListEmpty(&PnpNotifyListHead))
{
KeReleaseGuardedMutex(&PnpNotifyListLock);
return;
}
switch (EventCategory)
{
case EventCategoryDeviceInterfaceChange:
{
PDEVICE_INTERFACE_CHANGE_NOTIFICATION NotificationInfos;
NotificationStructure = NotificationInfos = ExAllocatePoolWithTag(
PagedPool,
sizeof(DEVICE_INTERFACE_CHANGE_NOTIFICATION),
TAG_PNP_NOTIFY);
NotificationInfos->Version = 1;
NotificationInfos->Size = sizeof(DEVICE_INTERFACE_CHANGE_NOTIFICATION);
RtlCopyMemory(&NotificationInfos->Event, Event, sizeof(GUID));
RtlCopyMemory(&NotificationInfos->InterfaceClassGuid, EventCategoryData1, sizeof(GUID));
NotificationInfos->SymbolicLinkName = (PUNICODE_STRING)EventCategoryData2;
break;
}
case EventCategoryHardwareProfileChange:
{
PHWPROFILE_CHANGE_NOTIFICATION NotificationInfos;
NotificationStructure = NotificationInfos = ExAllocatePoolWithTag(
PagedPool,
sizeof(HWPROFILE_CHANGE_NOTIFICATION),
TAG_PNP_NOTIFY);
NotificationInfos->Version = 1;
NotificationInfos->Size = sizeof(HWPROFILE_CHANGE_NOTIFICATION);
RtlCopyMemory(&NotificationInfos->Event, Event, sizeof(GUID));
break;
}
case EventCategoryTargetDeviceChange:
{
PTARGET_DEVICE_REMOVAL_NOTIFICATION NotificationInfos;
NotificationStructure = NotificationInfos = ExAllocatePoolWithTag(
PagedPool,
sizeof(TARGET_DEVICE_REMOVAL_NOTIFICATION),
TAG_PNP_NOTIFY);
NotificationInfos->Version = 1;
NotificationInfos->Size = sizeof(TARGET_DEVICE_REMOVAL_NOTIFICATION);
RtlCopyMemory(&NotificationInfos->Event, Event, sizeof(GUID));
NotificationInfos->FileObject = (PFILE_OBJECT)EventCategoryData1;
break;
}
default:
{
DPRINT1("IopNotifyPlugPlayNotification(): unknown EventCategory 0x%x UNIMPLEMENTED\n", EventCategory);
return;
}
}
/* Loop through procedures registred in PnpNotifyListHead
* list to find those that meet some criteria.
*/
Entry = PnpNotifyListHead.Flink;
while (Entry != &PnpNotifyListHead)
{
ChangeEntry = CONTAINING_RECORD(Entry, PNP_NOTIFY_ENTRY, PnpNotifyList);
CallCurrentEntry = FALSE;
switch (EventCategory)
{
case EventCategoryDeviceInterfaceChange:
{
if (ChangeEntry->EventCategory == EventCategory
&& RtlCompareUnicodeString(&ChangeEntry->Guid, (PUNICODE_STRING)EventCategoryData1, FALSE) == 0)
{
CallCurrentEntry = TRUE;
}
break;
}
case EventCategoryHardwareProfileChange:
{
CallCurrentEntry = TRUE;
break;
}
case EventCategoryTargetDeviceChange:
{
if (ChangeEntry->FileObject == (PFILE_OBJECT)EventCategoryData1)
CallCurrentEntry = TRUE;
}
default:
{
DPRINT1("IopNotifyPlugPlayNotification(): unknown EventCategory 0x%x UNIMPLEMENTED\n", EventCategory);
break;
}
}
if (CallCurrentEntry)
{
/* Call entry into new allocated memory */
DPRINT("IopNotifyPlugPlayNotification(): found suitable callback %p\n",
ChangeEntry);
(ChangeEntry->PnpNotificationProc)(
NotificationStructure,
ChangeEntry->Context);
}
Entry = Entry->Flink;
}
KeReleaseGuardedMutex(&PnpNotifyListLock);
ExFreePoolWithTag(NotificationStructure, TAG_PNP_NOTIFY);
}
VOID INIT_FUNCTION
IopInitPnpNotificationImplementation(VOID)
{
KeInitializeGuardedMutex(&PnpNotifyListLock);
InitializeListHead(&PnpNotifyListHead);
}
/* EOF */

2
reactos/ntoskrnl/io/pnproot.c
View file

@ -634,7 +634,7 @@ PnpRootQueryBusRelations(
sizeof(PNPROOT_PDO_DEVICE_EXTENSION),
NULL,
FILE_DEVICE_CONTROLLER,
0,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE,
&Device->Pdo);
if (!NT_SUCCESS(Status))

2
reactos/ntoskrnl/ob/namespc.c
View file

@ -147,7 +147,7 @@ ObOpenObjectByName(IN POBJECT_ATTRIBUTES ObjectAttributes,
Object == NULL)
{
RtlFreeUnicodeString(&RemainingPath);
return STATUS_UNSUCCESSFUL;
return STATUS_OBJECT_NAME_INVALID;
}
Status = ObCreateHandle(PsGetCurrentProcess(),