[RFC 24/27] vhost: add support for VDUSE status set event

[Maxime Coquelin <maxime.coquelin@redhat.com>]

This patch adds support for VDUSE_SET_STATUS event
handling, which consists in updating the Virtio device
status set by the Virtio driver.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/vhost/vduse.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c
index 36028b7315..7d59a5f709 100644
--- a/lib/vhost/vduse.c
+++ b/lib/vhost/vduse.c
@@ -163,6 +163,12 @@ vduse_events_handler(int fd, void *arg, int *remove __rte_unused)
 		resp.vq_state.split.avail_index = vq->last_avail_idx;
 		resp.result = VDUSE_REQ_RESULT_OK;
 		break;
+	case VDUSE_SET_STATUS:
+		VHOST_LOG_CONFIG(dev->ifname, INFO, "\tnew status: 0x%08x\n",
+				req.s.status);
+		dev->status = req.s.status;
+		resp.result = VDUSE_REQ_RESULT_OK;
+		break;
 	default:
 		resp.result = VDUSE_REQ_RESULT_FAILED;
 		break;
-- 
2.39.2