diff options
Diffstat (limited to 'contrib/libvhost-user/libvhost-user.c')
| -rw-r--r-- | contrib/libvhost-user/libvhost-user.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/libvhost-user.c index f409bd3d41..27cc59791b 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -84,6 +84,8 @@ vu_request_to_string(unsigned int req) REQ(VHOST_USER_SET_SLAVE_REQ_FD), REQ(VHOST_USER_IOTLB_MSG), REQ(VHOST_USER_SET_VRING_ENDIAN), + REQ(VHOST_USER_GET_CONFIG), + REQ(VHOST_USER_SET_CONFIG), REQ(VHOST_USER_MAX), }; #undef REQ @@ -798,6 +800,42 @@ vu_set_slave_req_fd(VuDev *dev, VhostUserMsg *vmsg) } static bool +vu_get_config(VuDev *dev, VhostUserMsg *vmsg) +{ + int ret = -1; + + if (dev->iface->get_config) { + ret = dev->iface->get_config(dev, vmsg->payload.config.region, + vmsg->payload.config.size); + } + + if (ret) { + /* resize to zero to indicate an error to master */ + vmsg->size = 0; + } + + return true; +} + +static bool +vu_set_config(VuDev *dev, VhostUserMsg *vmsg) +{ + int ret = -1; + + if (dev->iface->set_config) { + ret = dev->iface->set_config(dev, vmsg->payload.config.region, + vmsg->payload.config.offset, + vmsg->payload.config.size, + vmsg->payload.config.flags); + if (ret) { + vu_panic(dev, "Set virtio configuration space failed"); + } + } + + return false; +} + +static bool vu_process_message(VuDev *dev, VhostUserMsg *vmsg) { int do_reply = 0; @@ -862,6 +900,10 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg) return vu_set_vring_enable_exec(dev, vmsg); case VHOST_USER_SET_SLAVE_REQ_FD: return vu_set_slave_req_fd(dev, vmsg); + case VHOST_USER_GET_CONFIG: + return vu_get_config(dev, vmsg); + case VHOST_USER_SET_CONFIG: + return vu_set_config(dev, vmsg); case VHOST_USER_NONE: break; default: |