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vhost-user: simplify vhost_user_init/vhost_user_cleanup

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Take a VhostUserState* that can be pre-allocated, and initialize it
with the associated chardev.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
Message-Id: <20190308140454.32437-4-marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Marc-André Lureau 2019-03-08 15:04:45 +01:00 • committed by Michael S. Tsirkin
parent 482580a658
commit 0b99f22461
9 changed files with 33 additions and 66 deletions
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16
hw/virtio/vhost-user.c
View file

@ -1750,17 +1750,24 @@ static bool vhost_user_mem_section_filter(struct vhost_dev *dev,
return result;
}
VhostUserState *vhost_user_init(void)
bool vhost_user_init(VhostUserState *user, CharBackend *chr, Error **errp)
{
VhostUserState *user = g_new0(struct VhostUserState, 1);
return user;
if (user->chr) {
error_setg(errp, "Cannot initialize vhost-user state");
return false;
}
user->chr = chr;
return true;
}
void vhost_user_cleanup(VhostUserState *user)
{
int i;
if (!user->chr) {
return;
}
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
if (user->notifier[i].addr) {
object_unparent(OBJECT(&user->notifier[i].mr));
@ -1768,6 +1775,7 @@ void vhost_user_cleanup(VhostUserState *user)
user->notifier[i].addr = NULL;
}
}
user->chr = NULL;
}
const VhostOps user_ops = {