liquidio/base/lio_console.c

108  * Structure that defines a single console.
111  * size of each console is console_buf_size -1;
456 	struct lio_console	*console;
458 	console = &oct->console[console_num];
460 	console->waiting = 0;
466 lio_output_console_line(struct octeon_device *oct, struct lio_console *console,
482 			 * having been read from the console).
486 			if (console->leftover[0] &&
487 			    (line != console->leftover)) {
488 				if (console->print)
489 					(*console->print)(oct,
491 							console->leftover,line);
492 				console->leftover[0] = '\0';
494 				if (console->print)
495 					(*console->print)(oct,
507 		len = strlen(console->leftover);
508 		strncpy(&console->leftover[len], line,
509 			sizeof(console->leftover) - len);
516 	struct lio_console *console;
524 	console = &oct->console[console_num];
534 		 * Take console output regardless of whether it will be
541 			if (console->waiting)
544 			if (console->print) {
545 				lio_output_console_line(oct, console,
552 			lio_dev_err(oct, "Error reading console %u, ret=%d\n",
560 	 * If nothing is read after polling the console, output any leftovers
563 	if (console->print && (total_read == 0) && (console->leftover[0])) {
565 		len = strlen(console->leftover);
566 		console->leftover[len] = '\n';
567 		lio_output_console_line(oct, console, console_num,
568 					console->leftover, (int32_t)(len + 1));
569 		console->leftover[0] = '\0';
590 		lio_dev_err(oct, "Could not find console '%s'\n",
597 	 * Octeon's DRAM that contains the PCI console named block.
623 	struct lio_console *console;
628 		lio_dev_err(oct, "trying to read from console number %d when only 0 to %d exist\n",
631 		console = &oct->console[console_num];
633 		console->waiting = 0;
638 		console->addr = lio_read_device_mem64(oct, coreaddr);
639 		coreaddr = console->addr + offsetof(struct lio_pci_console,
641 		console->buffer_size = lio_read_device_mem32(oct, coreaddr);
642 		coreaddr = console->addr + offsetof(struct lio_pci_console,
644 		console->input_base_addr = lio_read_device_mem64(oct, coreaddr);
645 		coreaddr = console->addr + offsetof(struct lio_pci_console,
647 		console->output_base_addr =
649 		console->leftover[0] = '\0';
662 		/* an empty string means use default debug console enablement */
669 		console->active = 1;
683 	struct lio_console	*console;
687 		console = &oct->console[i];
689 		if (!console->active)
693 		console->addr = 0;
694 		console->buffer_size = 0;
695 		console->input_base_addr = 0;
696 		console->output_base_addr = 0;
727 	struct lio_console	*console;
732 		lio_dev_err(oct, "Attempted to read from disabled console %d\n",
737 	console = &oct->console[console_num];
743 	rd_idx = lio_read_device_mem32(oct, console->addr +
745 	wr_idx = lio_read_device_mem32(oct, console->addr +
748 	bytes_to_read = lio_console_avail_bytes(console->buffer_size,
759 	if (rd_idx + bytes_to_read >= console->buffer_size)
760 		bytes_to_read = console->buffer_size - rd_idx;
762 	lio_pci_read_core_mem(oct, console->output_base_addr + rd_idx,
764 	lio_write_device_mem32(oct, console->addr +
767 			       (rd_idx + bytes_to_read) % console->buffer_size);
775 	struct lio_console *console;
782 	console = &oct->console[console_num];
790 		 * Take console output regardless of whether it will be
802 			if (console->waiting)
806 			lio_dev_err(oct, "Error reading console %u, ret=%d\n",
814 	 * If nothing is read after polling the console, output any leftovers
817 	if ((total_read == 0) && (console->leftover[0])) {
818 		lio_dev_dbg(oct, "%u: %s\n", console_num, console->leftover);
819 		console->leftover[0] = '\0';