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 	flush_workqueue(req_mgr_h->workq);  in cc_req_mgr_fini()
105 	destroy_workqueue(req_mgr_h->workq);  in cc_req_mgr_fini()
108 	tasklet_kill(&req_mgr_h->comptask);  in cc_req_mgr_fini()
110 	kfree_sensitive(req_mgr_h);  in cc_req_mgr_fini()
116 	struct cc_req_mgr_handle *req_mgr_h;  in cc_req_mgr_init()  local
120 	req_mgr_h = kzalloc(sizeof(*req_mgr_h), GFP_KERNEL);  in cc_req_mgr_init()
121 	if (!req_mgr_h) {  in cc_req_mgr_init()
126 	drvdata->request_mgr_handle = req_mgr_h;  in cc_req_mgr_init()
128 	spin_lock_init(&req_mgr_h->hw_lock);  in cc_req_mgr_init()
129 	spin_lock_init(&req_mgr_h->bl_lock);  in cc_req_mgr_init()
130 	INIT_LIST_HEAD(&req_mgr_h->backlog);  in cc_req_mgr_init()
134 	req_mgr_h->workq = create_singlethread_workqueue("ccree");  in cc_req_mgr_init()
135 	if (!req_mgr_h->workq) {  in cc_req_mgr_init()
140 	INIT_DELAYED_WORK(&req_mgr_h->compwork, comp_work_handler);  in cc_req_mgr_init()
143 	tasklet_init(&req_mgr_h->comptask, comp_handler,  in cc_req_mgr_init()
146 	req_mgr_h->hw_queue_size = cc_ioread(drvdata,  in cc_req_mgr_init()
148 	dev_dbg(dev, "hw_queue_size=0x%08X\n", req_mgr_h->hw_queue_size);  in cc_req_mgr_init()
149 	if (req_mgr_h->hw_queue_size < MIN_HW_QUEUE_SIZE) {  in cc_req_mgr_init()
151 			req_mgr_h->hw_queue_size, MIN_HW_QUEUE_SIZE);  in cc_req_mgr_init()
155 	req_mgr_h->min_free_hw_slots = req_mgr_h->hw_queue_size;  in cc_req_mgr_init()
156 	req_mgr_h->max_used_sw_slots = 0;  in cc_req_mgr_init()
159 	req_mgr_h->dummy_comp_buff =  in cc_req_mgr_init()
161 				   &req_mgr_h->dummy_comp_buff_dma,  in cc_req_mgr_init()
163 	if (!req_mgr_h->dummy_comp_buff) {  in cc_req_mgr_init()
171 	hw_desc_init(&req_mgr_h->compl_desc);  in cc_req_mgr_init()
172 	set_din_const(&req_mgr_h->compl_desc, 0, sizeof(u32));  in cc_req_mgr_init()
173 	set_dout_dlli(&req_mgr_h->compl_desc, req_mgr_h->dummy_comp_buff_dma,  in cc_req_mgr_init()
175 	set_flow_mode(&req_mgr_h->compl_desc, BYPASS);  in cc_req_mgr_init()
176 	set_queue_last_ind(drvdata, &req_mgr_h->compl_desc);  in cc_req_mgr_init()
226 			    struct cc_req_mgr_handle *req_mgr_h,  in cc_queues_status()  argument
236 	if (((req_mgr_h->req_queue_head + 1) & (MAX_REQUEST_QUEUE_SIZE - 1)) ==  in cc_queues_status()
237 	    req_mgr_h->req_queue_tail) {  in cc_queues_status()
239 			req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE);  in cc_queues_status()
243 	if (req_mgr_h->q_free_slots >= total_seq_len)  in cc_queues_status()
248 		req_mgr_h->q_free_slots =  in cc_queues_status()
250 		if (req_mgr_h->q_free_slots < req_mgr_h->min_free_hw_slots)  in cc_queues_status()
251 			req_mgr_h->min_free_hw_slots = req_mgr_h->q_free_slots;  in cc_queues_status()
253 		if (req_mgr_h->q_free_slots >= total_seq_len) {  in cc_queues_status()
259 			req_mgr_h->q_free_slots, total_seq_len);  in cc_queues_status()
263 		req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE,  in cc_queues_status()
264 		req_mgr_h->q_free_slots, total_seq_len);  in cc_queues_status()
284 	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;  in cc_do_send_request()  local
289 	used_sw_slots = ((req_mgr_h->req_queue_head -  in cc_do_send_request()
290 			  req_mgr_h->req_queue_tail) &  in cc_do_send_request()
292 	if (used_sw_slots > req_mgr_h->max_used_sw_slots)  in cc_do_send_request()
293 		req_mgr_h->max_used_sw_slots = used_sw_slots;  in cc_do_send_request()
296 	req_mgr_h->req_queue[req_mgr_h->req_queue_head] = *cc_req;  in cc_do_send_request()
297 	req_mgr_h->req_queue_head = (req_mgr_h->req_queue_head + 1) &  in cc_do_send_request()
300 	dev_dbg(dev, "Enqueue request head=%u\n", req_mgr_h->req_queue_head);  in cc_do_send_request()
314 		enqueue_seq(drvdata, &req_mgr_h->compl_desc, 1);  in cc_do_send_request()
318 	if (req_mgr_h->q_free_slots < total_seq_len) {  in cc_do_send_request()
324 		req_mgr_h->q_free_slots = 0;  in cc_do_send_request()
327 		req_mgr_h->q_free_slots -= total_seq_len;  in cc_do_send_request()
505 	struct cc_req_mgr_handle *req_mgr_h = drvdata->request_mgr_handle;  in send_request_init()  local
511 	rc = cc_queues_status(drvdata, req_mgr_h, total_seq_len);  in send_request_init()
526 	req_mgr_h->q_free_slots =  in send_request_init()