22 void optee_supp_init(struct optee_supp *supp)  in optee_supp_init()  argument
24 	memset(supp, 0, sizeof(*supp));  in optee_supp_init()
25 	mutex_init(&supp->mutex);  in optee_supp_init()
26 	init_completion(&supp->reqs_c);  in optee_supp_init()
27 	idr_init(&supp->idr);  in optee_supp_init()
28 	INIT_LIST_HEAD(&supp->reqs);  in optee_supp_init()
29 	supp->req_id = -1;  in optee_supp_init()
32 void optee_supp_uninit(struct optee_supp *supp)  in optee_supp_uninit()  argument
34 	mutex_destroy(&supp->mutex);  in optee_supp_uninit()
35 	idr_destroy(&supp->idr);  in optee_supp_uninit()
38 void optee_supp_release(struct optee_supp *supp)  in optee_supp_release()  argument
44 	mutex_lock(&supp->mutex);  in optee_supp_release()
47 	idr_for_each_entry(&supp->idr, req, id) {  in optee_supp_release()
48 		idr_remove(&supp->idr, id);  in optee_supp_release()
54 	list_for_each_entry_safe(req, req_tmp, &supp->reqs, link) {  in optee_supp_release()
61 	supp->ctx = NULL;  in optee_supp_release()
62 	supp->req_id = -1;  in optee_supp_release()
64 	mutex_unlock(&supp->mutex);  in optee_supp_release()
81 	struct optee_supp *supp = &optee->supp;  in optee_supp_thrd_req()  local
90 	if (!supp->ctx && ctx->supp_nowait)  in optee_supp_thrd_req()
103 	mutex_lock(&supp->mutex);  in optee_supp_thrd_req()
104 	list_add_tail(&req->link, &supp->reqs);  in optee_supp_thrd_req()
106 	mutex_unlock(&supp->mutex);  in optee_supp_thrd_req()
109 	complete(&supp->reqs_c);  in optee_supp_thrd_req()
117 		mutex_lock(&supp->mutex);  in optee_supp_thrd_req()
118 		interruptable = !supp->ctx;  in optee_supp_thrd_req()
138 		mutex_unlock(&supp->mutex);  in optee_supp_thrd_req()
152 static struct optee_supp_req  *supp_pop_entry(struct optee_supp *supp,  in supp_pop_entry()  argument
157 	if (supp->req_id != -1) {  in supp_pop_entry()
165 	if (list_empty(&supp->reqs))  in supp_pop_entry()
168 	req = list_first_entry(&supp->reqs, struct optee_supp_req, link);  in supp_pop_entry()
175 	*id = idr_alloc(&supp->idr, req, 1, 0, GFP_KERNEL);  in supp_pop_entry()
234 	struct optee_supp *supp = &optee->supp;  in optee_supp_recv()  local
245 		mutex_lock(&supp->mutex);  in optee_supp_recv()
246 		req = supp_pop_entry(supp, *num_params - num_meta, &id);  in optee_supp_recv()
247 		mutex_unlock(&supp->mutex);  in optee_supp_recv()
263 		if (wait_for_completion_interruptible(&supp->reqs_c))  in optee_supp_recv()
278 		mutex_lock(&supp->mutex);  in optee_supp_recv()
279 		supp->req_id = id;  in optee_supp_recv()
280 		mutex_unlock(&supp->mutex);  in optee_supp_recv()
291 static struct optee_supp_req *supp_pop_req(struct optee_supp *supp,  in supp_pop_req()  argument
305 	if (supp->req_id == -1) {  in supp_pop_req()
311 		id = supp->req_id;  in supp_pop_req()
315 	req = idr_find(&supp->idr, id);  in supp_pop_req()
322 	idr_remove(&supp->idr, id);  in supp_pop_req()
323 	supp->req_id = -1;  in supp_pop_req()
343 	struct optee_supp *supp = &optee->supp;  in optee_supp_send()  local
348 	mutex_lock(&supp->mutex);  in optee_supp_send()
349 	req = supp_pop_req(supp, num_params, param, &num_meta);  in optee_supp_send()
350 	mutex_unlock(&supp->mutex);  in optee_supp_send()