Geoffrey McRae d23a7a3cf2 [idd] helper: release authority during device removal
Register the retained LGIdd authority handle for service device
notifications. Close the exact handle before granting query-remove.

Use cancellable overlapped control requests so the SCM handler never
waits for driver I/O while Plug and Play is removing the device.

Keep authority publication, host liveness, and child activation under
one synchronized state machine to prevent activation after removal.

Retire device notifications on the service thread and keep polling for
the interface so a manual re-enable recovers without a service restart.
2026-08-15 18:53:33 +10:00
2017-12-14 22:22:44 +11:00
2026-05-31 15:13:57 +10:00
2018-05-31 13:28:36 +10:00
2017-10-31 19:07:16 +11:00

Looking Glass

Looking Glass lets you use a Windows virtual machine from Linux with very low display and input latency. The current recommended setup uses the Looking Glass Indirect Display Driver (IDD) in the Windows guest and the Looking Glass Client on the Linux host.

Start here

The Linux client is currently distributed as source code and must be built before it can be installed. The end-user guide covers the complete process:

  1. Build the Linux client.
  2. Configure shared memory for the virtual machine.
  3. Install the Looking Glass IDD in Windows.
  4. Install and run the client.

See the Looking Glass documentation for the current requirements and setup guide.

Source archives

IMPORTANT

This project contains submodules that must be checked out if building from the git repository! If you are not a developer and just want to compile Looking Glass, please download the source archive from the website instead:

https://looking-glass.io/downloads

Source code for the documentation can be found in the doc directory.

You may view this locally as HTML by running make html with python3-sphinx and python3-sphinx-rtd-theme installed.

Description
An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.
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