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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"