3  * System Trace Module (STM) master/channel allocation policy management
6  * A master/channel allocation policy allows mapping string identifiers to
21  * STP Master/Channel allocation policy configfs layout.
31 	struct stp_policy	*policy;  member
115 	stm = policy_node->policy->stm;  in stp_policy_node_masters_store()
162 	stm = policy_node->policy->stm;  in stp_policy_node_channels_store()
233 	struct stp_policy *policy;  in stp_policy_node_make()  local
236 		policy = container_of(group, struct stp_policy, group);  in stp_policy_node_make()
240 		policy = parent_node->policy;  in stp_policy_node_make()
243 	if (!policy->stm)  in stp_policy_node_make()
246 	pdrv = policy->stm->pdrv;  in stp_policy_node_make()
256 	if (policy->stm->pdrv_node_type)  in stp_policy_node_make()
257 		type = policy->stm->pdrv_node_type;  in stp_policy_node_make()
261 	policy_node->policy = policy;  in stp_policy_node_make()
264 	policy_node->first_master = policy->stm->data->sw_start;  in stp_policy_node_make()
265 	policy_node->last_master = policy->stm->data->sw_end;  in stp_policy_node_make()
267 	policy_node->last_channel = policy->stm->data->sw_nchannels - 1;  in stp_policy_node_make()
296 	struct stp_policy *policy = to_stp_policy(item);  in stp_policy_device_show()  local
300 			(policy && policy->stm) ?  in stp_policy_device_show()
301 			policy->stm->data->name :  in stp_policy_device_show()
312 	struct stp_policy *policy = to_stp_policy(item);  in stp_policy_protocol_show()  local
316 			(policy && policy->stm) ?  in stp_policy_protocol_show()
317 			policy->stm->pdrv->name :  in stp_policy_protocol_show()
331 void stp_policy_unbind(struct stp_policy *policy)  in stp_policy_unbind()  argument
333 	struct stm_device *stm = policy->stm;  in stp_policy_unbind()
336 	 * stp_policy_release() will not call here if the policy is already  in stp_policy_unbind()
338 	 * this policy and anything else in that case  in stp_policy_unbind()
340 	if (WARN_ON_ONCE(!policy->stm))  in stp_policy_unbind()
345 	stm->policy = NULL;  in stp_policy_unbind()
346 	policy->stm = NULL;  in stp_policy_unbind()
358 	struct stp_policy *policy = to_stp_policy(item);  in stp_policy_release()  local
359 	struct stm_device *stm = policy->stm;  in stp_policy_release()
361 	/* a policy *can* be unbound and still exist in configfs tree */  in stp_policy_release()
366 	stp_policy_unbind(policy);  in stp_policy_release()
369 	kfree(policy);  in stp_policy_release()
440 	if (stm->policy) {  in stp_policy_make()
445 	stm->policy = kzalloc(sizeof(*stm->policy), GFP_KERNEL);  in stp_policy_make()
446 	if (!stm->policy) {  in stp_policy_make()
451 	config_group_init_type_name(&stm->policy->group, name,  in stp_policy_make()
456 	stm->policy->stm = stm;  in stp_policy_make()
457 	ret = &stm->policy->group;  in stp_policy_make()
486 			.ci_namebuf	= "stp-policy",
493  * Lock the policy mutex from the outside
496 __stp_policy_node_lookup(struct stp_policy *policy, char *s)  in __stp_policy_node_lookup()  argument
499 	struct list_head *head = &policy->group.cg_children;  in __stp_policy_node_lookup()
545 	if (stm->policy)  in stp_policy_node_lookup()
546 		policy_node = __stp_policy_node_lookup(stm->policy, s);  in stp_policy_node_lookup()