virtio-info

This application prints informations about available virtio devices in Linux guests, such as the activated feature bits.

Example

$ virtio-info
/sys/bus/virtio/drivers/virtio_rng/virtio1 rng device active feature bits:
 28: INDIRECT_DESC
 29: EVENT_IDX
 32: VERSION_1

/sys/bus/virtio/drivers/virtio_net/virtio0 net device active feature bits:
  0: CSUM
  1: GUEST_CSUM
  2: CTRL_GUEST_OFFLOADS
  3: MTU
  5: MAC
  7: GUEST_TSO4
  8: GUEST_TSO6
  9: GUEST_ECN
 10: GUEST_UFO
 11: HOST_TSO4
 12: HOST_TSO6
 13: HOST_ECN
 14: HOST_UFO
 15: MRG_RXBUF
 16: STATUS
 17: CTRL_VQ
 18: CTRL_RX
 19: CTRL_VLAN
 21: GUEST_ANNOUNCE
 23: CTRL_MAC_ADDR
 28: INDIRECT_DESC
 29: EVENT_IDX
 32: VERSION_1

Installation

This application can be installed via cargo:

cargo install virtio-info

License

Licensed under either of

• Apache License, Version 2.0
  (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license
  (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.