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Re: [PATCH] scripts: add a script to list virtio devices in a system
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [PATCH] scripts: add a script to list virtio devices in a system |
Date: |
Thu, 6 May 2021 21:50:01 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
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?
Otherwise:
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>