qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH v3] virtio: Introduce virtio-testdev


From: Mike Day
Subject: Re: [Qemu-devel] [PATCH v3] virtio: Introduce virtio-testdev
Date: Thu, 30 Jan 2014 07:44:59 -0500
User-agent: Notmuch/0.16 (http://notmuchmail.org) Emacs/24.3.1 (x86_64-redhat-linux-gnu)

Andrew Jones <address@hidden> writes:

> This is a virtio version of hw/misc/debugexit and should evolve into a
> virtio version of pc-testdev. pc-testdev uses the PC's ISA bus, whereas
> this testdev can be plugged into a virtio-mmio transport, which is
> needed for kvm-unit-tests/arm. virtio-testdev uses the virtio device
> config space as a communication channel, and implements an RTAS-like
> protocol through it allowing guests to execute commands. Only three
> commands are currently implemented;
> 1) VERSION: for version compatibility checks
> 2) CLEAR:   set all the config space back to zero
> 3) EXIT:    exit() from qemu with a status code

> +static uint32_t virtio_testdev_get_features(VirtIODevice *vdev, uint32_t f)
> +{
> +    return f;
> +}
> +

Is this meant to be a stub currently? 

Mike

-- 
Mike Day | "Endurance is a Virtue"



reply via email to

[Prev in Thread] Current Thread [Next in Thread]