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diff --git a/docs/barrier.txt b/docs/barrier.txt deleted file mode 100644 index 54cb5fd8ef..0000000000 --- a/docs/barrier.txt +++ /dev/null @@ -1,48 +0,0 @@ - QEMU Barrier Client - - -* About - - Barrier is a KVM (Keyboard-Video-Mouse) software forked from Symless's - synergy 1.9 codebase. - - See https://github.com/debauchee/barrier - -* QEMU usage - - Generally, mouse and keyboard are grabbed through the QEMU video - interface emulation. - - But when we want to use a video graphic adapter via a PCI passthrough - there is no way to provide the keyboard and mouse inputs to the VM - except by plugging a second set of mouse and keyboard to the host - or by installing a KVM software in the guest OS. - - The QEMU Barrier client avoids this by implementing directly the Barrier - protocol into QEMU. - - This protocol is enabled by adding an input-barrier object to QEMU. - - Syntax: input-barrier,id=<object-id>,name=<guest display name> - [,server=<barrier server address>][,port=<barrier server port>] - [,x-origin=<x-origin>][,y-origin=<y-origin>] - [,width=<width>][,height=<height>] - - The object can be added on the QEMU command line, for instance with: - - ... -object input-barrier,id=barrier0,name=VM-1 ... - - where VM-1 is the name the display configured int the Barrier server - on the host providing the mouse and the keyboard events. - - by default <barrier server address> is "localhost", port is 24800, - <x-origin> and <y-origin> are set to 0, <width> and <height> to - 1920 and 1080. - - If Barrier server is stopped QEMU needs to be reconnected manually, - by removing and re-adding the input-barrier object, for instance - with the help of the HMP monitor: - - (qemu) object_del barrier0 - (qemu) object_add input-barrier,id=barrier0,name=VM-1 - |