105 	struct cam_sim *sim;  in cam_sim_alloc()  local
107 	sim = malloc(sizeof(struct cam_sim), M_CAMSIM, M_ZERO | M_NOWAIT);  in cam_sim_alloc()
108 	if (sim == NULL)  in cam_sim_alloc()
111 	sim->sim_action = sim_action;  in cam_sim_alloc()
112 	sim->sim_poll = sim_poll;  in cam_sim_alloc()
113 	sim->sim_name = sim_name;  in cam_sim_alloc()
114 	sim->softc = softc;  in cam_sim_alloc()
115 	sim->path_id = CAM_PATH_ANY;  in cam_sim_alloc()
116 	sim->unit_number = unit;  in cam_sim_alloc()
117 	sim->bus_id = 0;	/* set in xpt_bus_register */  in cam_sim_alloc()
118 	sim->max_tagged_dev_openings = max_tagged_dev_transactions;  in cam_sim_alloc()
119 	sim->max_dev_openings = max_dev_transactions;  in cam_sim_alloc()
120 	sim->flags = 0;  in cam_sim_alloc()
121 	sim->refcount = 1;  in cam_sim_alloc()
122 	sim->devq = queue;  in cam_sim_alloc()
123 	sim->mtx = mtx;  in cam_sim_alloc()
124 	return (sim);  in cam_sim_alloc()
141 cam_sim_free(struct cam_sim *sim, int free_devq)  in cam_sim_free()  argument
146 	if (sim->mtx == NULL) {  in cam_sim_free()
150 		mtx = sim->mtx;  in cam_sim_free()
153 	KASSERT(sim->refcount >= 1, ("sim->refcount >= 1"));  in cam_sim_free()
154 	sim->refcount--;  in cam_sim_free()
155 	if (sim->refcount > 0) {  in cam_sim_free()
156 		error = msleep(sim, mtx, PRIBIO, "simfree", 0);  in cam_sim_free()
159 	KASSERT(sim->refcount == 0, ("sim->refcount == 0"));  in cam_sim_free()
164 		cam_simq_free(sim->devq);  in cam_sim_free()
165 	free(sim, M_CAMSIM);  in cam_sim_free()
169 cam_sim_release(struct cam_sim *sim)  in cam_sim_release()  argument
173 	if (sim->mtx == NULL)  in cam_sim_release()
175 	else if (!mtx_owned(sim->mtx))  in cam_sim_release()
176 		mtx = sim->mtx;  in cam_sim_release()
181 	KASSERT(sim->refcount >= 1, ("sim->refcount >= 1"));  in cam_sim_release()
182 	sim->refcount--;  in cam_sim_release()
183 	if (sim->refcount == 0)  in cam_sim_release()
184 		wakeup(sim);  in cam_sim_release()
190 cam_sim_hold(struct cam_sim *sim)  in cam_sim_hold()  argument
194 	if (sim->mtx == NULL)  in cam_sim_hold()
196 	else if (!mtx_owned(sim->mtx))  in cam_sim_hold()
197 		mtx = sim->mtx;  in cam_sim_hold()
202 	KASSERT(sim->refcount >= 1, ("sim->refcount >= 1"));  in cam_sim_hold()
203 	sim->refcount++;  in cam_sim_hold()
209 cam_sim_set_path(struct cam_sim *sim, uint32_t path_id)  in cam_sim_set_path()  argument
211 	sim->path_id = path_id;  in cam_sim_set_path()