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libvhost-user: introduce and use vu_has_protocol_feature()

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This simplifies the various has_feature() checks, we already
have vu_has_feature() but it checks features, not protocol
features.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Message-Id: <20190904065021.1360-1-johannes@sipsolutions.net>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Johannes Berg 2019-09-04 09:50:21 +03:00 • committed by Michael S. Tsirkin
parent 8726b70b44
commit eeb39263aa
1 changed files with 10 additions and 10 deletions
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20
contrib/libvhost-user/libvhost-user.c
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@ -94,6 +94,11 @@ bool vu_has_feature(VuDev *dev,
return has_feature(dev->features, fbit); return has_feature(dev->features, fbit);
} }
static inline bool vu_has_protocol_feature(VuDev *dev, unsigned int fbit)
{
return has_feature(dev->protocol_features, fbit);
}
static const char * static const char *
vu_request_to_string(unsigned int req) vu_request_to_string(unsigned int req)
{ {
@ -951,8 +956,7 @@ vu_check_queue_inflights(VuDev *dev, VuVirtq *vq)
{ {
int i = 0; int i = 0;
if (!has_feature(dev->protocol_features, if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
return 0; return 0;
} }
@ -1097,8 +1101,7 @@ bool vu_set_queue_host_notifier(VuDev *dev, VuVirtq *vq, int fd,
vmsg.fd_num = fd_num; vmsg.fd_num = fd_num;
if (!has_feature(dev->protocol_features, if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD)) {
VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD)) {
return false; return false;
} }
@ -2191,8 +2194,7 @@ vu_queue_map_desc(VuDev *dev, VuVirtq *vq, unsigned int idx, size_t sz)
static int static int
vu_queue_inflight_get(VuDev *dev, VuVirtq *vq, int desc_idx) vu_queue_inflight_get(VuDev *dev, VuVirtq *vq, int desc_idx)
{ {
if (!has_feature(dev->protocol_features, if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
return 0; return 0;
} }
@ -2209,8 +2211,7 @@ vu_queue_inflight_get(VuDev *dev, VuVirtq *vq, int desc_idx)
static int static int
vu_queue_inflight_pre_put(VuDev *dev, VuVirtq *vq, int desc_idx) vu_queue_inflight_pre_put(VuDev *dev, VuVirtq *vq, int desc_idx)
{ {
if (!has_feature(dev->protocol_features, if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
return 0; return 0;
} }
@ -2226,8 +2227,7 @@ vu_queue_inflight_pre_put(VuDev *dev, VuVirtq *vq, int desc_idx)
static int static int
vu_queue_inflight_post_put(VuDev *dev, VuVirtq *vq, int desc_idx) vu_queue_inflight_post_put(VuDev *dev, VuVirtq *vq, int desc_idx)
{ {
if (!has_feature(dev->protocol_features, if (!vu_has_protocol_feature(dev, VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) {
return 0; return 0;
} }