88 	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;  in cc_req_mgr_fini()  local
91 	if (!req_mgr_h)  in cc_req_mgr_fini()
94 	if (req_mgr_h->dummy_comp_buff_dma) {  in cc_req_mgr_fini()
95 		dma_free_coherent(dev, sizeof(u32), req_mgr_h->dummy_comp_buff,  in cc_req_mgr_fini()
96 				  req_mgr_h->dummy_comp_buff_dma);  in cc_req_mgr_fini()
99 	dev_dbg(dev, "max_used_hw_slots=%d\n", (req_mgr_h->hw_queue_size -  in cc_req_mgr_fini()
100 						req_mgr_h->min_free_hw_slots));  in cc_req_mgr_fini()
101 	dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots);  in cc_req_mgr_fini()
104 	destroy_workqueue(req_mgr_h->workq);  in cc_req_mgr_fini()
107 	tasklet_kill(&req_mgr_h->comptask);  in cc_req_mgr_fini()
109 	kfree_sensitive(req_mgr_h);  in cc_req_mgr_fini()
115 	struct cc_req_mgr_handle *req_mgr_h;  in cc_req_mgr_init()  local
119 	req_mgr_h = kzalloc(sizeof(*req_mgr_h), GFP_KERNEL);  in cc_req_mgr_init()
120 	if (!req_mgr_h) {  in cc_req_mgr_init()
125 	drvdata->request_mgr_handle = req_mgr_h;  in cc_req_mgr_init()
127 	spin_lock_init(&req_mgr_h->hw_lock);  in cc_req_mgr_init()
128 	spin_lock_init(&req_mgr_h->bl_lock);  in cc_req_mgr_init()
129 	INIT_LIST_HEAD(&req_mgr_h->backlog);  in cc_req_mgr_init()
133 	req_mgr_h->workq = create_singlethread_workqueue("ccree");  in cc_req_mgr_init()
134 	if (!req_mgr_h->workq) {  in cc_req_mgr_init()
139 	INIT_DELAYED_WORK(&req_mgr_h->compwork, comp_work_handler);  in cc_req_mgr_init()
142 	tasklet_init(&req_mgr_h->comptask, comp_handler,  in cc_req_mgr_init()
145 	req_mgr_h->hw_queue_size = cc_ioread(drvdata,  in cc_req_mgr_init()
147 	dev_dbg(dev, "hw_queue_size=0x%08X\n", req_mgr_h->hw_queue_size);  in cc_req_mgr_init()
148 	if (req_mgr_h->hw_queue_size < MIN_HW_QUEUE_SIZE) {  in cc_req_mgr_init()
150 			req_mgr_h->hw_queue_size, MIN_HW_QUEUE_SIZE);  in cc_req_mgr_init()
154 	req_mgr_h->min_free_hw_slots = req_mgr_h->hw_queue_size;  in cc_req_mgr_init()
155 	req_mgr_h->max_used_sw_slots = 0;  in cc_req_mgr_init()
158 	req_mgr_h->dummy_comp_buff =  in cc_req_mgr_init()
160 				   &req_mgr_h->dummy_comp_buff_dma,  in cc_req_mgr_init()
162 	if (!req_mgr_h->dummy_comp_buff) {  in cc_req_mgr_init()
170 	hw_desc_init(&req_mgr_h->compl_desc);  in cc_req_mgr_init()
171 	set_din_const(&req_mgr_h->compl_desc, 0, sizeof(u32));  in cc_req_mgr_init()
172 	set_dout_dlli(&req_mgr_h->compl_desc, req_mgr_h->dummy_comp_buff_dma,  in cc_req_mgr_init()
174 	set_flow_mode(&req_mgr_h->compl_desc, BYPASS);  in cc_req_mgr_init()
175 	set_queue_last_ind(drvdata, &req_mgr_h->compl_desc);  in cc_req_mgr_init()
225 			    struct cc_req_mgr_handle *req_mgr_h,  in cc_queues_status()  argument
235 	if (((req_mgr_h->req_queue_head + 1) & (MAX_REQUEST_QUEUE_SIZE - 1)) ==  in cc_queues_status()
236 	    req_mgr_h->req_queue_tail) {  in cc_queues_status()
238 			req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE);  in cc_queues_status()
242 	if (req_mgr_h->q_free_slots >= total_seq_len)  in cc_queues_status()
247 		req_mgr_h->q_free_slots =  in cc_queues_status()
249 		if (req_mgr_h->q_free_slots < req_mgr_h->min_free_hw_slots)  in cc_queues_status()
250 			req_mgr_h->min_free_hw_slots = req_mgr_h->q_free_slots;  in cc_queues_status()
252 		if (req_mgr_h->q_free_slots >= total_seq_len) {  in cc_queues_status()
258 			req_mgr_h->q_free_slots, total_seq_len);  in cc_queues_status()
262 		req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE,  in cc_queues_status()
263 		req_mgr_h->q_free_slots, total_seq_len);  in cc_queues_status()
283 	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;  in cc_do_send_request()  local
288 	used_sw_slots = ((req_mgr_h->req_queue_head -  in cc_do_send_request()
289 			  req_mgr_h->req_queue_tail) &  in cc_do_send_request()
291 	if (used_sw_slots > req_mgr_h->max_used_sw_slots)  in cc_do_send_request()
292 		req_mgr_h->max_used_sw_slots = used_sw_slots;  in cc_do_send_request()
295 	req_mgr_h->req_queue[req_mgr_h->req_queue_head] = *cc_req;  in cc_do_send_request()
296 	req_mgr_h->req_queue_head = (req_mgr_h->req_queue_head + 1) &  in cc_do_send_request()
299 	dev_dbg(dev, "Enqueue request head=%u\n", req_mgr_h->req_queue_head);  in cc_do_send_request()
313 		enqueue_seq(drvdata, &req_mgr_h->compl_desc, 1);  in cc_do_send_request()
317 	if (req_mgr_h->q_free_slots < total_seq_len) {  in cc_do_send_request()
323 		req_mgr_h->q_free_slots = 0;  in cc_do_send_request()
326 		req_mgr_h->q_free_slots -= total_seq_len;  in cc_do_send_request()
504 	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;  in send_request_init()  local
510 	rc = cc_queues_status(drvdata, req_mgr_h, total_seq_len);  in send_request_init()
525 	req_mgr_h->q_free_slots =  in send_request_init()