From 2152f3fead5ddaf7bdbe370f9b87713eae683b75 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Fri, 2 Jun 2017 12:18:29 +0200 Subject: vhost-user: add vhost_user to hold the chr MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Next patches will add more fields to the structure Signed-off-by: Marc-André Lureau Signed-off-by: Maxime Coquelin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) (limited to 'hw/virtio') diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index dde094abb4..bd13b2379b 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -110,6 +110,10 @@ static VhostUserMsg m __attribute__ ((unused)); /* The version of the protocol we support */ #define VHOST_USER_VERSION (0x1) +struct vhost_user { + CharBackend *chr; +}; + static bool ioeventfd_enabled(void) { return kvm_enabled() && kvm_eventfds_enabled(); @@ -117,7 +121,8 @@ static bool ioeventfd_enabled(void) static int vhost_user_read(struct vhost_dev *dev, VhostUserMsg *msg) { - CharBackend *chr = dev->opaque; + struct vhost_user *u = dev->opaque; + CharBackend *chr = u->chr; uint8_t *p = (uint8_t *) msg; int r, size = VHOST_USER_HDR_SIZE; @@ -202,7 +207,8 @@ static bool vhost_user_one_time_request(VhostUserRequest request) static int vhost_user_write(struct vhost_dev *dev, VhostUserMsg *msg, int *fds, int fd_num) { - CharBackend *chr = dev->opaque; + struct vhost_user *u = dev->opaque; + CharBackend *chr = u->chr; int ret, size = VHOST_USER_HDR_SIZE + msg->size; /* @@ -575,11 +581,14 @@ static int vhost_user_reset_device(struct vhost_dev *dev) static int vhost_user_init(struct vhost_dev *dev, void *opaque) { uint64_t features; + struct vhost_user *u; int err; assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER); - dev->opaque = opaque; + u = g_new0(struct vhost_user, 1); + u->chr = opaque; + dev->opaque = u; err = vhost_user_get_features(dev, &features); if (err < 0) { @@ -624,8 +633,12 @@ static int vhost_user_init(struct vhost_dev *dev, void *opaque) static int vhost_user_cleanup(struct vhost_dev *dev) { + struct vhost_user *u; + assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_USER); + u = dev->opaque; + g_free(u); dev->opaque = 0; return 0; -- cgit v1.2.3