30 static void guc_log_capture_logs(struct intel_guc_log *log);
75 static inline struct intel_guc *log_to_guc(struct intel_guc_log *log)  in log_to_guc()  argument
77 	return container_of(log, struct intel_guc, log);  in log_to_guc()
80 static void guc_log_enable_flush_events(struct intel_guc_log *log)  in guc_log_enable_flush_events()  argument
82 	intel_guc_enable_msg(log_to_guc(log),  in guc_log_enable_flush_events()
87 static void guc_log_disable_flush_events(struct intel_guc_log *log)  in guc_log_disable_flush_events()  argument
89 	intel_guc_disable_msg(log_to_guc(log),  in guc_log_disable_flush_events()
162 static void guc_move_to_next_buf(struct intel_guc_log *log)  in guc_move_to_next_buf()  argument
171 	relay_reserve(log->relay.channel, log->vma->obj->base.size);  in guc_move_to_next_buf()
174 	relay_flush(log->relay.channel);  in guc_move_to_next_buf()
177 static void *guc_get_write_buffer(struct intel_guc_log *log)  in guc_get_write_buffer()  argument
188 	return relay_reserve(log->relay.channel, 0);  in guc_get_write_buffer()
191 static bool guc_check_log_buf_overflow(struct intel_guc_log *log,  in guc_check_log_buf_overflow()  argument
195 	unsigned int prev_full_cnt = log->stats[type].sampled_overflow;  in guc_check_log_buf_overflow()
201 		log->stats[type].overflow = full_cnt;  in guc_check_log_buf_overflow()
202 		log->stats[type].sampled_overflow += full_cnt - prev_full_cnt;  in guc_check_log_buf_overflow()
206 			log->stats[type].sampled_overflow += 16;  in guc_check_log_buf_overflow()
230 static void guc_read_update_log_buffer(struct intel_guc_log *log)  in guc_read_update_log_buffer()  argument
239 	mutex_lock(&log->relay.lock);  in guc_read_update_log_buffer()
241 	if (WARN_ON(!intel_guc_log_relay_enabled(log)))  in guc_read_update_log_buffer()
245 	log_buf_state = src_data = log->relay.buf_addr;  in guc_read_update_log_buffer()
248 	log_buf_snapshot_state = dst_data = guc_get_write_buffer(log);  in guc_read_update_log_buffer()
256 		log->relay.full_count++;  in guc_read_update_log_buffer()
279 		log->stats[type].flush += log_buf_state_local.flush_to_file;  in guc_read_update_log_buffer()
280 		new_overflow = guc_check_log_buf_overflow(log, type, full_cnt);  in guc_read_update_log_buffer()
327 	guc_move_to_next_buf(log);  in guc_read_update_log_buffer()
330 	mutex_unlock(&log->relay.lock);  in guc_read_update_log_buffer()
335 	struct intel_guc_log *log =  in capture_logs_work()  local
338 	guc_log_capture_logs(log);  in capture_logs_work()
341 static int guc_log_map(struct intel_guc_log *log)  in guc_log_map()  argument
343 	struct intel_guc *guc = log_to_guc(log);  in guc_log_map()
348 	lockdep_assert_held(&log->relay.lock);  in guc_log_map()
350 	if (!log->vma)  in guc_log_map()
354 	ret = i915_gem_object_set_to_wc_domain(log->vma->obj, true);  in guc_log_map()
364 	vaddr = i915_gem_object_pin_map(log->vma->obj, I915_MAP_WC);  in guc_log_map()
370 	log->relay.buf_addr = vaddr;  in guc_log_map()
375 static void guc_log_unmap(struct intel_guc_log *log)  in guc_log_unmap()  argument
377 	lockdep_assert_held(&log->relay.lock);  in guc_log_unmap()
379 	i915_gem_object_unpin_map(log->vma->obj);  in guc_log_unmap()
380 	log->relay.buf_addr = NULL;  in guc_log_unmap()
383 void intel_guc_log_init_early(struct intel_guc_log *log)  in intel_guc_log_init_early()  argument
385 	mutex_init(&log->relay.lock);  in intel_guc_log_init_early()
386 	INIT_WORK(&log->relay.flush_work, capture_logs_work);  in intel_guc_log_init_early()
389 static int guc_log_relay_create(struct intel_guc_log *log)  in guc_log_relay_create()  argument
391 	struct intel_guc *guc = log_to_guc(log);  in guc_log_relay_create()
397 	lockdep_assert_held(&log->relay.lock);  in guc_log_relay_create()
400 	subbuf_size = log->vma->size;  in guc_log_relay_create()
422 	log->relay.channel = guc_log_relay_chan;  in guc_log_relay_create()
427 static void guc_log_relay_destroy(struct intel_guc_log *log)  in guc_log_relay_destroy()  argument
429 	lockdep_assert_held(&log->relay.lock);  in guc_log_relay_destroy()
431 	relay_close(log->relay.channel);  in guc_log_relay_destroy()
432 	log->relay.channel = NULL;  in guc_log_relay_destroy()
435 static void guc_log_capture_logs(struct intel_guc_log *log)  in guc_log_capture_logs()  argument
437 	struct intel_guc *guc = log_to_guc(log);  in guc_log_capture_logs()
440 	guc_read_update_log_buffer(log);  in guc_log_capture_logs()
451 int intel_guc_log_create(struct intel_guc_log *log)  in intel_guc_log_create()  argument
453 	struct intel_guc *guc = log_to_guc(log);  in intel_guc_log_create()
458 	GEM_BUG_ON(log->vma);  in intel_guc_log_create()
488 	log->vma = vma;  in intel_guc_log_create()
490 	log->level = i915_modparams.guc_log_level;  in intel_guc_log_create()
499 void intel_guc_log_destroy(struct intel_guc_log *log)  in intel_guc_log_destroy()  argument
501 	i915_vma_unpin_and_release(&log->vma);  in intel_guc_log_destroy()
504 int intel_guc_log_set_level(struct intel_guc_log *log, u32 level)  in intel_guc_log_set_level()  argument
506 	struct intel_guc *guc = log_to_guc(log);  in intel_guc_log_set_level()
511 	GEM_BUG_ON(!log->vma);  in intel_guc_log_set_level()
522 	if (log->level == level) {  in intel_guc_log_set_level()
537 	log->level = level;  in intel_guc_log_set_level()
545 bool intel_guc_log_relay_enabled(const struct intel_guc_log *log)  in intel_guc_log_relay_enabled()  argument
547 	return log->relay.buf_addr;  in intel_guc_log_relay_enabled()
550 int intel_guc_log_relay_open(struct intel_guc_log *log)  in intel_guc_log_relay_open()  argument
554 	mutex_lock(&log->relay.lock);  in intel_guc_log_relay_open()
556 	if (intel_guc_log_relay_enabled(log)) {  in intel_guc_log_relay_open()
571 	ret = guc_log_relay_create(log);  in intel_guc_log_relay_open()
575 	ret = guc_log_map(log);  in intel_guc_log_relay_open()
579 	mutex_unlock(&log->relay.lock);  in intel_guc_log_relay_open()
581 	guc_log_enable_flush_events(log);  in intel_guc_log_relay_open()
588 	queue_work(log->relay.flush_wq, &log->relay.flush_work);  in intel_guc_log_relay_open()
593 	guc_log_relay_destroy(log);  in intel_guc_log_relay_open()
595 	mutex_unlock(&log->relay.lock);  in intel_guc_log_relay_open()
600 void intel_guc_log_relay_flush(struct intel_guc_log *log)  in intel_guc_log_relay_flush()  argument
602 	struct intel_guc *guc = log_to_guc(log);  in intel_guc_log_relay_flush()
609 	flush_work(&log->relay.flush_work);  in intel_guc_log_relay_flush()
616 	guc_log_capture_logs(log);  in intel_guc_log_relay_flush()
619 void intel_guc_log_relay_close(struct intel_guc_log *log)  in intel_guc_log_relay_close()  argument
621 	guc_log_disable_flush_events(log);  in intel_guc_log_relay_close()
622 	flush_work(&log->relay.flush_work);  in intel_guc_log_relay_close()
624 	mutex_lock(&log->relay.lock);  in intel_guc_log_relay_close()
625 	GEM_BUG_ON(!intel_guc_log_relay_enabled(log));  in intel_guc_log_relay_close()
626 	guc_log_unmap(log);  in intel_guc_log_relay_close()
627 	guc_log_relay_destroy(log);  in intel_guc_log_relay_close()
628 	mutex_unlock(&log->relay.lock);  in intel_guc_log_relay_close()
631 void intel_guc_log_handle_flush_event(struct intel_guc_log *log)  in intel_guc_log_handle_flush_event()  argument
633 	queue_work(log->relay.flush_wq, &log->relay.flush_work);  in intel_guc_log_handle_flush_event()