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contrib/vhost-user-blk: enable protocol feature for vhost-user-blk

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This patch reports the protocol feature that is only advertised by
QEMU if the device implements the config ops.

Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Changpeng Liu 2018-05-19 06:20:46 +08:00 committed by Michael S. Tsirkin
parent ebf2a499a5
commit 7d405b2ffb
1 changed files with 7 additions and 0 deletions
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7
contrib/vhost-user-blk/vhost-user-blk.c
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@ -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,
};