159           struct psref_class *class;  in psref_class_create()  local
163           class = kmem_alloc(sizeof(*class), KM_SLEEP);  in psref_class_create()
164           class->prc_percpu = percpu_alloc(sizeof(struct psref_cpu));  in psref_class_create()
165           mutex_init(&class->prc_lock, MUTEX_DEFAULT, ipl);  in psref_class_create()
166           cv_init(&class->prc_cv, name);  in psref_class_create()
167           class->prc_iplcookie = makeiplcookie(ipl);  in psref_class_create()
168           class->prc_xc_flags = XC_HIGHPRI_IPL(ipl);  in psref_class_create()
170           return class;  in psref_class_create()
201 psref_class_destroy(struct psref_class *class)  in psref_class_destroy()  argument
204           KASSERT(psref_class_drained_p(class));  in psref_class_destroy()
206           cv_destroy(&class->prc_cv);  in psref_class_destroy()
207           mutex_destroy(&class->prc_lock);  in psref_class_destroy()
208           percpu_free(class->prc_percpu, sizeof(struct psref_cpu));  in psref_class_destroy()
209           kmem_free(class, sizeof(*class));  in psref_class_destroy()
222     struct psref_class *class)  in psref_target_init()  argument
225           target->prt_class = class;  in psref_target_init()
285     struct psref_class *class)  in psref_acquire()  argument
297           KASSERTMSG((target->prt_class == class),  in psref_acquire()
299               target->prt_class, class);  in psref_acquire()
302           s = splraiseipl(class->prc_iplcookie);  in psref_acquire()
303           pcpu = percpu_getref(class->prc_percpu);  in psref_acquire()
317           percpu_putref(class->prc_percpu);  in psref_acquire()
339     struct psref_class *class)  in psref_release()  argument
349           KASSERTMSG((target->prt_class == class),  in psref_release()
351               target->prt_class, class);  in psref_release()
370           s = splraiseipl(class->prc_iplcookie);  in psref_release()
371           pcpu = percpu_getref(class->prc_percpu);  in psref_release()
377           percpu_putref(class->prc_percpu);  in psref_release()
390                     cv_broadcast(&class->prc_cv);  in psref_release()
406     struct psref_class *class)  in psref_copy()  argument
427           KASSERTMSG((pfrom->psref_target->prt_class == class),  in psref_copy()
429               pfrom->psref_target->prt_class, class);  in psref_copy()
432           s = splraiseipl(class->prc_iplcookie);  in psref_copy()
433           pcpu = percpu_getref(class->prc_percpu);  in psref_copy()
442           percpu_putref(class->prc_percpu);  in psref_copy()
456           struct psref_class  *class;  member
478           if (_psref_held(P->target, P->class, true))  in psreffed_p_xc()
483 psreffed_p(struct psref_target *target, struct psref_class *class)  in psreffed_p()  argument
486                     .class = class,  in psreffed_p()
496                     xc_wait(xc_broadcast(class->prc_xc_flags, &psreffed_p_xc, &P,  in psreffed_p()
513 psref_target_destroy(struct psref_target *target, struct psref_class *class)  in psref_target_destroy()  argument
520           KASSERTMSG((target->prt_class == class),  in psref_target_destroy()
522               target->prt_class, class);  in psref_target_destroy()
528           while (psreffed_p(target, class)) {  in psref_target_destroy()
536                     mutex_enter(&class->prc_lock);  in psref_target_destroy()
537                     (void)cv_timedwait(&class->prc_cv, &class->prc_lock, 1);  in psref_target_destroy()
538                     mutex_exit(&class->prc_lock);  in psref_target_destroy()
546 _psref_held(const struct psref_target *target, struct psref_class *class,  in _psref_held()  argument
559           KASSERTMSG((target->prt_class == class),  in _psref_held()
561               target->prt_class, class);  in _psref_held()
564           s = splraiseipl(class->prc_iplcookie);  in _psref_held()
565           pcpu = percpu_getref(class->prc_percpu);  in _psref_held()
594           percpu_putref(class->prc_percpu);  in _psref_held()
607 psref_held(const struct psref_target *target, struct psref_class *class)  in psref_held()  argument
610           return _psref_held(target, class, false);  in psref_held()