From 7d405b2ffbcbee4c622deb6c0ab4f5649de7fc2b Mon Sep 17 00:00:00 2001 From: Changpeng Liu Date: Sat, 19 May 2018 06:20:46 +0800 Subject: [PATCH] contrib/vhost-user-blk: enable protocol feature for vhost-user-blk This patch reports the protocol feature that is only advertised by QEMU if the device implements the config ops. Signed-off-by: Changpeng Liu Reviewed-by: Stefan Hajnoczi Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- contrib/vhost-user-blk/vhost-user-blk.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/contrib/vhost-user-blk/vhost-user-blk.c b/contrib/vhost-user-blk/vhost-user-blk.c index 67dac8155a..a6a132a492 100644 --- a/contrib/vhost-user-blk/vhost-user-blk.c +++ b/contrib/vhost-user-blk/vhost-user-blk.c @@ -311,6 +311,12 @@ vub_get_features(VuDev *dev) 1ull << VHOST_USER_F_PROTOCOL_FEATURES; } +static uint64_t +vub_get_protocol_features(VuDev *dev) +{ + return 1ull << VHOST_USER_PROTOCOL_F_CONFIG; +} + static int vub_get_config(VuDev *vu_dev, uint8_t *config, uint32_t len) { @@ -373,6 +379,7 @@ vub_set_config(VuDev *vu_dev, const uint8_t *data, static const VuDevIface vub_iface = { .get_features = vub_get_features, .queue_set_started = vub_queue_set_started, + .get_protocol_features = vub_get_protocol_features, .get_config = vub_get_config, .set_config = vub_set_config, };