Commit Graph

207 Commits

Author SHA1 Message Date
Rob Bradford
c33c38bd96 vhost_user_block: Port to new exit event strategy
Implement the newly added exit_event() method on the VhostUserBackend
trait to allow the backend to provide an EventFD for triggering an exit
of the worker thread.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-02-11 15:21:07 +01:00
Rob Bradford
7ca691fc2f vhost_user_block: Implement and use worker shutdown
Add a kill EventFD and use this to shutdown the worker thread when the
backend terminates.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-02-10 09:16:49 +01:00
Rob Bradford
710394b872 vhost_user_block: Forward the error from unexpected event
This is consistent with vhost-user-net and vhost-user-fs.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-02-10 09:16:49 +01:00
Rob Bradford
4f4c3d3ebe vhost_user_block: Make Error behave like net and fs versions
Make the Error struct behave more like the net and fs equivalents.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-02-10 09:16:49 +01:00
Yang Zhong
99da1dff90 vhost-user-blk: Add MQ support in backend
Adding the num_queues parameter for vhost-user-blk backend, which
can enable MQ support in the backend.

This patch has enabled the MQ support from handle_event, and the
vhost-user-backend crate will enable multiple threads to call this
handle_event to handle read/write operations.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
2020-02-03 09:49:27 +01:00
Rob Bradford
7f73eebbdb vhost_user_block: Split launching backend into its own function
Split the basic launching functionality into its own function in the
newly added vhost_user_block crate.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-01-23 10:30:06 +00:00
Rob Bradford
1dd2451895 vhost_user_block: Refactor vhost_user_block backend code into a new crate
Extract the majority of the code that provides the vhost-user-block
backend into its own crate and port the binary to use it.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
2020-01-23 10:30:06 +00:00