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Re: [PATCH] scripts: add a script to list virtio devices in a system
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH] scripts: add a script to list virtio devices in a system |
Date: |
Tue, 11 May 2021 04:33:00 -0400 |
On Fri, May 07, 2021 at 08:17:33AM +0200, Laurent Vivier wrote:
> On 06/05/2021 21:50, Philippe Mathieu-Daudé wrote:
> > On 5/6/21 9:33 PM, Laurent Vivier wrote:
> >> Add "lsvirtio" that lists all virtio devices in a system
> >> the same way lspci does for the PCI cards.
> >>
> >> For instance:
> >>
> >> $ ./lsvirtio
> >> 0000:01:00.0 virtio0 Red Hat, Inc. (PCI) Virtio Network Card
> >> Subsystem: virtio
> >> Modalias: virtio:d00000001v00001AF4
> >
> > "ModAlias" maybe?
> >
> >> Status: ACKNOWLEDGE DRIVER_OK DRIVER FEATURES_OK
> >> Feature: CSUM
> >> Feature: GUEST_CSUM
> >> Feature: CTRL_GUEST_OFFLOADS
> >> Feature: MAC
> >> Feature: GUEST_TSO4
> >> Feature: GUEST_TSO6
> >> Feature: GUEST_ECN
> >> Feature: GUEST_UFO
> >> Feature: HOST_TSO4
> >> Feature: HOST_TSO6
> >> Feature: HOST_ECN
> >> Feature: HOST_UFO
> >> Feature: MRG_RXBUF
> >> Feature: STATUS
> >> Feature: CTRL_VQ
> >> Feature: CTRL_RX
> >> Feature: CTRL_VLAN
> >> Feature: GUEST_ANNOUNCE
> >> Feature: CTRL_MAC_ADDR
> >> Feature: RING_INDIRECT_DESC
> >> Feature: RING_EVENT_IDX
> >> Feature: VERSION_1
> >> Kernel driver in use: virtio_net
> >> Interfaces: enp1s0
> >>
> >> 0000:03:00.0 virtio1 Red Hat, Inc. (PCI) Virtio Console
> >> Subsystem: virtio
> >> Modalias: virtio:d00000003v00001AF4
> >> Status: ACKNOWLEDGE DRIVER_OK DRIVER FEATURES_OK
> >> Feature: MULTIPORT
> >> Feature: RING_INDIRECT_DESC
> >> Feature: RING_EVENT_IDX
> >> Feature: VERSION_1
> >> Kernel driver in use: virtio_console
> >> Interfaces: vport1p1
> >> ...
> >>
> >> This is useful to have the list of virtio devices when they are not
> >> mapped by a PCI card:
> >>
> >> $ ./lsvirtio
> >> virtio-mmio.121 virtio0 Virt (MMIO) Virtio 9P transport
> >> Subsystem: virtio
> >> Modalias: virtio:d00000009v554D4551
> >> Status: FEATURES_OK ACKNOWLEDGE DRIVER DRIVER_OK
> >> Feature: MOUNT_TAG
> >> Feature: RING_INDIRECT_DESC
> >> Feature: RING_EVENT_IDX
> >> Feature: VERSION_1
> >> Kernel driver in use: 9pnet_virtio
> >> Interfaces: home0
> >>
> >> virtio-mmio.122 virtio1 Virt (MMIO) Virtio GPU Device
> >> Subsystem: virtio
> >> Modalias: virtio:d00000010v554D4551
> >> Status: FEATURES_OK ACKNOWLEDGE DRIVER DRIVER_OK
> >> Feature: EDID
> >> Feature: RING_INDIRECT_DESC
> >> Feature: RING_EVENT_IDX
> >> Feature: VERSION_1
> >> Kernel driver in use: virtio_gpu
> >> Interfaces: fb0
> >> ...
> >>
> >> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> >> ---
> >> scripts/lsvirtio | 317 +++++++++++++++++++++++++++++++++++++++++++++++
> >> 1 file changed, 317 insertions(+)
> >> create mode 100755 scripts/lsvirtio
> >
> > Can you add an entry for the file in MAINTAINERS?
>
> Yes, but where?
>
> It would go under virtio section, but I'm not sure Michael wants to maintain
> it.
I don't have a problem with getting patches for it.
> Perhaps "Python scripts" section?
>
> > Otherwise:
> > Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> >
>
> Thanks,
> Laurent