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maksw committed 2026-10-27 09:28:31 +01:00
1 parent d36f19509c
commit 30d20457f0
309 files changed
+121746 -1963
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code/kernel/io_device.c
+11 -8
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@@ -429,7 +429,7 @@ __declspec(dllexport) KSTATUS IoRegisterDiskDevice(uint8_t driveIndex,
return NTLSTATUS_SUCCESS;
}
// Implements the notify Disk Surprise Removed operation.
// Invalidates mounted partitions when a disk disappears unexpectedly.
__declspec(dllexport) KSTATUS IoNotifyDiskSurpriseRemoved(uint8_t driveIndex) {
if (driveIndex >= MAX_DISK_DEVICES)
return NTLSTATUS_INVALID_PARAMETER;
@@ -442,29 +442,32 @@ __declspec(dllexport) KSTATUS IoNotifyDiskSurpriseRemoved(uint8_t driveIndex) {
return NTLSTATUS_SUCCESS;
}
// Implements the unregister Disk Device operation.
// Releases volume consumers before the backing device completes orderly teardown.
__declspec(dllexport) KSTATUS IoUnregisterDiskDevice(uint8_t driveIndex) {
if (driveIndex >= MAX_DISK_DEVICES)
return NTLSTATUS_INVALID_PARAMETER;
DEVICE_OBJECT* dev = gDiskDevices[driveIndex];
if (!dev) return NTLSTATUS_NOT_FOUND;
if (dev->PnpState != DevicePnpSurpriseRemoved) {
bool surpriseRemoved = dev->PnpState == DevicePnpSurpriseRemoved;
if (!surpriseRemoved) {
IoNotifyDiskChange(driveIndex, dev, IoDeviceQueryRemove);
KSTATUS queryStatus = IoSendPnpIrpSync(dev, IRP_MN_QUERY_REMOVE_DEVICE);
if (!KSUCCESS(queryStatus) && queryStatus != NTLSTATUS_NOT_SUPPORTED)
if (!KSUCCESS(queryStatus) && queryStatus != NTLSTATUS_NOT_SUPPORTED) {
(void)IoSendPnpIrpSync(dev, IRP_MN_CANCEL_REMOVE_DEVICE);
return queryStatus;
}
dev->PnpState = DevicePnpSurpriseRemoved;
IoNotifyDiskChange(driveIndex, dev, IoDeviceSurpriseRemoved);
(void)IoSendPnpIrpSync(dev, IRP_MN_SURPRISE_REMOVAL);
// Notify volume owners while the backing disk can still service teardown I/O.
IoNotifyDiskChange(driveIndex, dev, IoDeviceRemoved);
}
dev->PnpState = DevicePnpRemovePending;
(void)IoSendPnpIrpSync(dev, IRP_MN_REMOVE_DEVICE);
gDiskDevices[driveIndex] = (DEVICE_OBJECT*)0;
IoNotifyDiskChange(driveIndex, dev, IoDeviceRemoved);
if (surpriseRemoved)
IoNotifyDiskChange(driveIndex, dev, IoDeviceRemoved);
IoDereferenceDeviceObject(dev);
return NTLSTATUS_SUCCESS;
}