From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58004) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fJnb4-00013W-Ih for qemu-devel@nongnu.org; Fri, 18 May 2018 18:11:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fJnb0-0000Hj-IA for qemu-devel@nongnu.org; Fri, 18 May 2018 18:11:34 -0400 Received: from mga02.intel.com ([134.134.136.20]:8331) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fJnb0-0000HT-AD for qemu-devel@nongnu.org; Fri, 18 May 2018 18:11:30 -0400 From: Changpeng Liu Date: Sat, 19 May 2018 06:20:46 +0800 Message-Id: <1526682046-17414-1-git-send-email-changpeng.liu@intel.com> Subject: [Qemu-devel] [PATCH] contrib/vhost-user-blk: enable protocol feature for vhost-user-blk List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: mst@redhat.com, stefanha@redhat.com, changpeng.liu@intel.com This patch reports the protocol feature that is only advertised by QEMU if the device implements the config ops. Signed-off-by: Changpeng Liu --- 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 67dac81..a6a132a 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, }; -- 1.9.3