4559 	vio_dring_reg_msg_t	*reg_msg = (vio_dring_reg_msg_t *)msg;  in vd_process_dring_reg_msg()  local
4570 	if (msglen < sizeof (*reg_msg)) {  in vd_process_dring_reg_msg()
4572 		    "received %lu bytes", sizeof (*reg_msg), msglen);  in vd_process_dring_reg_msg()
4576 	expected = sizeof (*reg_msg) +  in vd_process_dring_reg_msg()
4577 	    (reg_msg->ncookies - 1)*(sizeof (reg_msg->cookie[0]));  in vd_process_dring_reg_msg()
4589 	if (reg_msg->num_descriptors > INT32_MAX) {  in vd_process_dring_reg_msg()
4591 		    reg_msg->ncookies, INT32_MAX, STRINGIZE(INT32_MAX));  in vd_process_dring_reg_msg()
4595 	if (reg_msg->ncookies != 1) {  in vd_process_dring_reg_msg()
4609 		PR0("reg_msg->ncookies = %u != 1", reg_msg->ncookies);  in vd_process_dring_reg_msg()
4618 	status = ldc_mem_dring_map(vd->ldc_handle, reg_msg->cookie,  in vd_process_dring_reg_msg()
4619 	    reg_msg->ncookies, reg_msg->num_descriptors,  in vd_process_dring_reg_msg()
4620 	    reg_msg->descriptor_size, mtype, &vd->dring_handle);  in vd_process_dring_reg_msg()
4631 	ASSERT(reg_msg->ncookies == 1);  in vd_process_dring_reg_msg()
4651 	vd->descriptor_size = reg_msg->descriptor_size;  in vd_process_dring_reg_msg()
4652 	vd->dring_len = reg_msg->num_descriptors;  in vd_process_dring_reg_msg()
4654 	reg_msg->dring_ident = vd->dring_ident;  in vd_process_dring_reg_msg()