2122

pending completion

Build # 2122

Build Type

Pull #637

travis-ci

Committed by

web-flow

Commit Message

Add virtio serial console backend and API

This allows the test writer to log into and interact with a serial
terminal directly. Initially this is just for the virtio_console under
QEMU, but can be extended to any serial console.

Presently the only way of sending text to a tty running on a SUT is to
send the keystrokes via VNC. Output from the SUT can be redirected to
and read from, a serial port, however the test writer can not send text
directly to the serial port without circumventing the test API.

This patch introduces a new console backend which can be selected in the
same manner that the existing console backends are, but is limited to
text input and output. This means that there is no video feed, but
entering commands is orders of magnitude faster because the commands are
sent and interpreted as text rather than simulated keystrokes.

This adds the is_serial_terminal subroutine to the testapi which is
exported on request. Otherwise the API should be unchanged and fully
backwards compatible.

Pull Request Pull Request #637: WIP: Add virtio serial console backend and API

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3.29

/backend/qemu.pm

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