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Differential D7182

Add support for named virtio console ports
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Authored by jceel on Jul 11 2016, 12:09 PM.

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Details

Reviewers

grehan
bryanv
trasz

Commits

rS305900: Create aliases for named virtio-console ports.

Summary

Following change adds support for named ports in the virtio_console(4) driver. It does that by creating tty aliases in format /dev/vtcon/<portname> upon receiving PORT_NAME event (id = 7) over the control queue. The aliases point to already existing /dev/ttyVx.y tty device nodes.

Test Plan

Code can be tested using qemu-kvm in linux: https://fedoraproject.org/wiki/Features/VirtioSerial

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Event Timeline

jceel updated this revision to Diff 18280.Jul 11 2016, 12:09 PM

jceel retitled this revision from to Add support for named virtio console ports.

jceel updated this object.

jceel edited the test plan for this revision. (Show Details)

jceel added reviewers: bryanv, grehan, trasz.

jceel set the repository for this revision to rS FreeBSD src repository - subversion.

Herald added a subscriber: imp. · View Herald TranscriptJul 11 2016, 12:09 PM

Port names are not null-terminated - putting '\0' at the last byte was wrong.

Closed by commit rS305900: Create aliases for named virtio-console ports. (authored by jceel). · Explain WhySep 17 2016, 4:03 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

virtio/

console/

virtio_console.c

51 lines

Diff 20404

head/sys/dev/virtio/console/virtio_console.c

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