- else {
- int socket_fd, ret;
-
- socket_fd = vfio_mp_sync_connect_to_primary();
-
- if (socket_fd < 0) {
- RTE_LOG(ERR, EAL, " cannot connect to primary process!\n");
- return -1;
- }
- if (vfio_mp_sync_send_request(socket_fd, SOCKET_REQ_GROUP) < 0) {
- RTE_LOG(ERR, EAL, " cannot request container fd!\n");
- close(socket_fd);
- return -1;
- }
- if (vfio_mp_sync_send_request(socket_fd, iommu_group_no) < 0) {
- RTE_LOG(ERR, EAL, " cannot send group number!\n");
- close(socket_fd);
- return -1;
- }
- ret = vfio_mp_sync_receive_request(socket_fd);
- switch (ret) {
- case SOCKET_NO_FD:
- close(socket_fd);
- return 0;
- case SOCKET_OK:
- vfio_group_fd = vfio_mp_sync_receive_fd(socket_fd);
- /* if we got the fd, store it and return it */
- if (vfio_group_fd > 0) {
- close(socket_fd);
- cur_grp->group_no = iommu_group_no;
- cur_grp->fd = vfio_group_fd;
- vfio_cfg.vfio_active_groups++;
- return vfio_group_fd;
- }
- /* fall-through on error */
- default:
- RTE_LOG(ERR, EAL, " cannot get container fd!\n");
- close(socket_fd);
- return -1;
+ p->req = SOCKET_REQ_GROUP;
+ p->group_num = iommu_group_num;
+ strcpy(mp_req.name, EAL_VFIO_MP);
+ mp_req.len_param = sizeof(*p);
+ mp_req.num_fds = 0;
+
+ vfio_group_fd = -1;
+ if (rte_mp_request_sync(&mp_req, &mp_reply, &ts) == 0 &&
+ mp_reply.nb_received == 1) {
+ mp_rep = &mp_reply.msgs[0];
+ p = (struct vfio_mp_param *)mp_rep->param;
+ if (p->result == SOCKET_OK && mp_rep->num_fds == 1) {
+ cur_grp->group_num = iommu_group_num;
+ vfio_group_fd = mp_rep->fds[0];
+ cur_grp->fd = vfio_group_fd;
+ vfio_cfg.vfio_active_groups++;
+ } else if (p->result == SOCKET_NO_FD) {
+ RTE_LOG(ERR, EAL, " bad VFIO group fd\n");
+ vfio_group_fd = 0;