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vm-virtio: vhost-user-blk: Add support for reset

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If we expect the vhost-user-blk device to be used for booting a VMM
along with the firmware, then need the device to support being reset.

In the vhost-user context, this means the backend needs to be informed
the vrings are disabled and stopped, and the owner needs to be reset
too.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2019-09-19 09:14:55 -07:00
committed by Samuel Ortiz
parent 0a229ef4f5
commit d723b7dae8
4 changed files with 72 additions and 11 deletions
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2
vm-virtio/src/vhost_user/mod.rs
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@@ -61,6 +61,8 @@ pub enum Error {
VhostUserProtocolNotSupport,
/// Set owner failed.
VhostUserSetOwner(VhostError),
/// Reset owner failed.
VhostUserResetOwner(VhostError),
/// Set features failed.
VhostUserSetFeatures(VhostError),
/// Set protocol features failed.