57 	struct hwt_backend *backend;  member
63 static MALLOC_DEFINE(M_HWT_BACKEND, "hwt_backend", "HWT backend");
162 	struct hwt_backend *backend;  in hwt_backend_lookup()  local
166 		backend = entry->backend;  in hwt_backend_lookup()
167 		if (strcmp(backend->name, name) == 0) {  in hwt_backend_lookup()
169 			return (backend);  in hwt_backend_lookup()
178 hwt_backend_register(struct hwt_backend *backend)  in hwt_backend_register()  argument
182 	if (backend == NULL ||  in hwt_backend_register()
183 	    backend->name == NULL ||  in hwt_backend_register()
184 	    backend->ops == NULL)  in hwt_backend_register()
189 	entry->backend = backend;  in hwt_backend_register()
199 hwt_backend_unregister(struct hwt_backend *backend)  in hwt_backend_unregister()  argument
203 	if (backend == NULL)  in hwt_backend_unregister()
210 		if (entry->backend == backend) {  in hwt_backend_unregister()
226 	mtx_init(&hwt_backend_mtx, "hwt backend", NULL, MTX_DEF);  in hwt_backend_load()
282 	if (thr->backend->ops->hwt_backend_thread_free == NULL)  in hwt_backend_thread_free()
286 	thr->backend->ops->hwt_backend_thread_free(thr);  in hwt_backend_thread_free()