From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38577) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f1jwK-0004Au-Dj for qemu-devel@nongnu.org; Thu, 29 Mar 2018 22:38:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f1jwJ-0007Ni-Ki for qemu-devel@nongnu.org; Thu, 29 Mar 2018 22:38:52 -0400 Received: from mga17.intel.com ([192.55.52.151]:20624) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1f1jwJ-0007Fy-Ax for qemu-devel@nongnu.org; Thu, 29 Mar 2018 22:38:51 -0400 From: Changpeng Liu Date: Fri, 30 Mar 2018 10:46:17 +0800 Message-Id: <1522377977-29623-2-git-send-email-changpeng.liu@intel.com> In-Reply-To: <1522377977-29623-1-git-send-email-changpeng.liu@intel.com> References: <1522377977-29623-1-git-send-email-changpeng.liu@intel.com> Subject: [Qemu-devel] [PATCH 2/2] contrib/vhost-user-blk: enable protocol feature for vhost-user-blk List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: changpeng.liu@intel.com, qemu-devel@nongnu.org Cc: mst@redhat.com, marcandre.lureau@redhat.com, maxime.coquelin@redhat.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..f6e0170 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) { @@ -372,6 +378,7 @@ vub_set_config(VuDev *vu_dev, const uint8_t *data, static const VuDevIface vub_iface = { .get_features = vub_get_features, + .get_protocol_features = vub_get_protocol_features, .queue_set_started = vub_queue_set_started, .get_config = vub_get_config, .set_config = vub_set_config, -- 1.9.3