virtio_console: support console resizing

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this patch uses the new hvc callback hvc_resize to set the window size
which allows to change the tty size of hvc_console via a hvc_resize
function.

I have added a new feature bit VIRTIO_CONSOLE_F_SIZE. The driver will
change the window size on tty open and via the config_changed callback
of the transport. Currently lguest and kvm_s390 have not implemented this
callback, but the callback can be implemented at a later point in time.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

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Christian Borntraeger 2008-11-25 13:36:26 +01:00 • committed by Rusty Russell

parent 29f9f12ec7

commit c29834584e

3 changed files with 41 additions and 1 deletions

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drivers/char/hvc_console.c

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30

drivers/char/virtio_console.c

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