63 	struct adf_telemetry *telemetry;  in adf_tl_alloc_mem()  local
68 	telemetry = kzalloc_node(sizeof(*telemetry), GFP_KERNEL, node);  in adf_tl_alloc_mem()
69 	if (!telemetry)  in adf_tl_alloc_mem()
72 	telemetry->rp_num_indexes = kmalloc_array(tl_data->max_rp,  in adf_tl_alloc_mem()
73 						  sizeof(*telemetry->rp_num_indexes),  in adf_tl_alloc_mem()
75 	if (!telemetry->rp_num_indexes)  in adf_tl_alloc_mem()
78 	telemetry->regs_hist_buff = kmalloc_array(tl_data->num_hbuff,  in adf_tl_alloc_mem()
79 						  sizeof(*telemetry->regs_hist_buff),  in adf_tl_alloc_mem()
81 	if (!telemetry->regs_hist_buff)  in adf_tl_alloc_mem()
84 	telemetry->regs_data = dma_alloc_coherent(dev, regs_sz,  in adf_tl_alloc_mem()
85 						  &telemetry->regs_data_p,  in adf_tl_alloc_mem()
87 	if (!telemetry->regs_data)  in adf_tl_alloc_mem()
95 		telemetry->regs_hist_buff[i] = tl_data_regs;  in adf_tl_alloc_mem()
98 	accel_dev->telemetry = telemetry;  in adf_tl_alloc_mem()
103 	dma_free_coherent(dev, regs_sz, telemetry->regs_data,  in adf_tl_alloc_mem()
104 			  telemetry->regs_data_p);  in adf_tl_alloc_mem()
107 		kfree(telemetry->regs_hist_buff[i]);  in adf_tl_alloc_mem()
110 	kfree(telemetry->regs_hist_buff);  in adf_tl_alloc_mem()
112 	kfree(telemetry->rp_num_indexes);  in adf_tl_alloc_mem()
114 	kfree(telemetry);  in adf_tl_alloc_mem()
122 	struct adf_telemetry *telemetry = accel_dev->telemetry;  in adf_tl_free_mem()  local
128 		kfree(telemetry->regs_hist_buff[i]);  in adf_tl_free_mem()
130 	dma_free_coherent(dev, regs_sz, telemetry->regs_data,  in adf_tl_free_mem()
131 			  telemetry->regs_data_p);  in adf_tl_free_mem()
133 	kfree(telemetry->regs_hist_buff);  in adf_tl_free_mem()
134 	kfree(telemetry->rp_num_indexes);  in adf_tl_free_mem()
135 	kfree(telemetry);  in adf_tl_free_mem()
136 	accel_dev->telemetry = NULL;  in adf_tl_free_mem()
144 static void snapshot_regs(struct adf_telemetry *telemetry, size_t size)  in snapshot_regs()  argument
146 	void *dst = telemetry->regs_hist_buff[telemetry->hb_num];  in snapshot_regs()
147 	void *src = telemetry->regs_data;  in snapshot_regs()
155 	struct adf_telemetry *telemetry;  in tl_work_handler()  local
163 	telemetry = container_of(delayed_work, struct adf_telemetry, work_ctx);  in tl_work_handler()
164 	tl_data = &GET_TL_DATA(telemetry->accel_dev);  in tl_work_handler()
165 	regs_data = telemetry->regs_data;  in tl_work_handler()
170 	if (!atomic_read(&telemetry->state)) {  in tl_work_handler()
171 		cancel_delayed_work_sync(&telemetry->work_ctx);  in tl_work_handler()
177 	if (msg_cnt == telemetry->msg_cnt)  in tl_work_handler()
180 	mutex_lock(&telemetry->regs_hist_lock);  in tl_work_handler()
182 	snapshot_regs(telemetry, layout_sz);  in tl_work_handler()
187 		snapshot_regs(telemetry, layout_sz);  in tl_work_handler()
189 	telemetry->msg_cnt = msg_cnt;  in tl_work_handler()
190 	telemetry->hb_num++;  in tl_work_handler()
191 	telemetry->hb_num %= telemetry->hbuffs;  in tl_work_handler()
193 	mutex_unlock(&telemetry->regs_hist_lock);  in tl_work_handler()
196 	adf_misc_wq_queue_delayed_work(&telemetry->work_ctx, get_next_timeout());  in tl_work_handler()
201 	struct adf_telemetry *telemetry = accel_dev->telemetry;  in adf_tl_halt()  local
205 	cancel_delayed_work_sync(&telemetry->work_ctx);  in adf_tl_halt()
206 	atomic_set(&telemetry->state, 0);  in adf_tl_halt()
218 	struct adf_telemetry *telemetry = accel_dev->telemetry;  in adf_tl_run()  local
223 	ret = adf_send_admin_tl_start(accel_dev, telemetry->regs_data_p,  in adf_tl_run()
224 				      layout_sz, telemetry->rp_num_indexes,  in adf_tl_run()
225 				      &telemetry->slice_cnt);  in adf_tl_run()
231 	ret = validate_tl_slice_counters(&telemetry->slice_cnt, tl_data->max_sl_cnt);  in adf_tl_run()
238 	telemetry->hbuffs = state;  in adf_tl_run()
239 	atomic_set(&telemetry->state, state);  in adf_tl_run()
241 	adf_misc_wq_queue_delayed_work(&telemetry->work_ctx, get_next_timeout());  in adf_tl_run()
251 	struct adf_telemetry *telemetry;  in adf_tl_init()  local
265 	telemetry = accel_dev->telemetry;  in adf_tl_init()
266 	telemetry->accel_dev = accel_dev;  in adf_tl_init()
268 	mutex_init(&telemetry->wr_lock);  in adf_tl_init()
269 	mutex_init(&telemetry->regs_hist_lock);  in adf_tl_init()
270 	INIT_DELAYED_WORK(&telemetry->work_ctx, tl_work_handler);  in adf_tl_init()
273 		telemetry->rp_num_indexes[i] = ADF_TL_RP_REGS_DISABLED;  in adf_tl_init()
282 	if (!accel_dev->telemetry)  in adf_tl_start()
296 	if (!accel_dev->telemetry)  in adf_tl_stop()
299 	if (atomic_read(&accel_dev->telemetry->state))  in adf_tl_stop()
305 	if (!accel_dev->telemetry)  in adf_tl_shutdown()