mirror of
https://github.com/reactos/reactos.git
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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: ntoskrnl/po/events.c
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* PURPOSE: Power Manager
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*
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* PROGRAMMERS: Herv<EFBFBD> Poussineau (hpoussin@reactos.org)
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*/
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#include <ntoskrnl.h>
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//#define NDEBUG
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#include <internal/debug.h>
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NTSTATUS CALLBACK
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PopAddRemoveSysCapsCallback(
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IN PVOID NotificationStructure,
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IN PVOID Context)
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{
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PDEVICE_INTERFACE_CHANGE_NOTIFICATION Notification;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE DeviceHandle;
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IO_STATUS_BLOCK IoStatusBlock;
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BOOLEAN Arrival;
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ULONG Caps;
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NTSTATUS Status;
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DPRINT("PopAddRemoveSysCapsCallback(%p %p)\n",
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NotificationStructure, Context);
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Notification = (PDEVICE_INTERFACE_CHANGE_NOTIFICATION)NotificationStructure;
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if (Notification->Version != 1)
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return STATUS_REVISION_MISMATCH;
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if (Notification->Size != sizeof(DEVICE_INTERFACE_CHANGE_NOTIFICATION))
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return STATUS_INVALID_PARAMETER;
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if (RtlCompareMemory(&Notification->Event, &GUID_DEVICE_INTERFACE_ARRIVAL, sizeof(GUID) == sizeof(GUID)))
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Arrival = TRUE;
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else if (RtlCompareMemory(&Notification->Event, &GUID_DEVICE_INTERFACE_REMOVAL, sizeof(GUID) == sizeof(GUID)))
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Arrival = FALSE;
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else
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return STATUS_INVALID_PARAMETER;
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if (Arrival)
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{
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DPRINT("Arrival of %wZ\n", Notification->SymbolicLinkName);
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/* Open device */
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InitializeObjectAttributes(
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&ObjectAttributes,
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Notification->SymbolicLinkName,
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OBJ_KERNEL_HANDLE,
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NULL,
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NULL);
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Status = ZwOpenFile(
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&DeviceHandle,
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FILE_READ_DATA,
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&ObjectAttributes,
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&IoStatusBlock,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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0);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("ZwOpenFile() failed with status 0x%08lx\n", Status);
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return Status;
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}
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/* Send IOCTL_GET_SYS_BUTTON_CAPS to get new caps */
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Status = ZwDeviceIoControlFile(
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DeviceHandle,
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NULL,
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NULL,
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NULL,
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&IoStatusBlock,
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IOCTL_GET_SYS_BUTTON_CAPS,
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NULL,
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0,
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&Caps,
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sizeof(Caps));
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if (!NT_SUCCESS(Status))
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{
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DPRINT("ZwDeviceIoControlFile(IOCTL_GET_SYS_BUTTON_CAPS) failed with status 0x%08lx\n", Status);
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ZwClose(DeviceHandle);
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return Status;
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}
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/* FIXME: What do do with this? */
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DPRINT1("Device capabilities: 0x%lx\n", Caps);
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/* Send IOCTL_GET_SYS_BUTTON_CAPS to get current caps */
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/* FIXME: Set a IO completion routine on it to be able to send a new one */
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DPRINT1("Send a IOCTL_GET_SYS_BUTTON_EVENT\n");
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return ZwClose(DeviceHandle);
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}
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else
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{
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DPRINT1("Removal of a power capable device not implemented\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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}
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