liquidio/base/lio_console.c

109  * Structure that defines a single console.
112  * size of each console is console_buf_size -1;
457 	struct lio_console	*console;
459 	console = &oct->console[console_num];
461 	console->waiting = 0;
467 lio_output_console_line(struct octeon_device *oct, struct lio_console *console,
483 			 * having been read from the console).
487 			if (console->leftover[0] &&
488 			    (line != console->leftover)) {
489 				if (console->print)
490 					(*console->print)(oct,
492 							console->leftover,line);
493 				console->leftover[0] = '\0';
495 				if (console->print)
496 					(*console->print)(oct,
508 		len = strlen(console->leftover);
509 		strncpy(&console->leftover[len], line,
510 			sizeof(console->leftover) - len);
517 	struct lio_console *console;
525 	console = &oct->console[console_num];
535 		 * Take console output regardless of whether it will be
542 			if (console->waiting)
545 			if (console->print) {
546 				lio_output_console_line(oct, console,
553 			lio_dev_err(oct, "Error reading console %u, ret=%d\n",
561 	 * If nothing is read after polling the console, output any leftovers
564 	if (console->print && (total_read == 0) && (console->leftover[0])) {
566 		len = strlen(console->leftover);
567 		console->leftover[len] = '\n';
568 		lio_output_console_line(oct, console, console_num,
569 					console->leftover, (int32_t)(len + 1));
570 		console->leftover[0] = '\0';
591 		lio_dev_err(oct, "Could not find console '%s'\n",
598 	 * Octeon's DRAM that contains the PCI console named block.
624 	struct lio_console *console;
629 		lio_dev_err(oct, "trying to read from console number %d when only 0 to %d exist\n",
632 		console = &oct->console[console_num];
634 		console->waiting = 0;
639 		console->addr = lio_read_device_mem64(oct, coreaddr);
640 		coreaddr = console->addr + offsetof(struct lio_pci_console,
642 		console->buffer_size = lio_read_device_mem32(oct, coreaddr);
643 		coreaddr = console->addr + offsetof(struct lio_pci_console,
645 		console->input_base_addr = lio_read_device_mem64(oct, coreaddr);
646 		coreaddr = console->addr + offsetof(struct lio_pci_console,
648 		console->output_base_addr =
650 		console->leftover[0] = '\0';
663 		/* an empty string means use default debug console enablement */
670 		console->active = 1;
684 	struct lio_console	*console;
688 		console = &oct->console[i];
690 		if (!console->active)
694 		console->addr = 0;
695 		console->buffer_size = 0;
696 		console->input_base_addr = 0;
697 		console->output_base_addr = 0;
728 	struct lio_console	*console;
733 		lio_dev_err(oct, "Attempted to read from disabled console %d\n",
738 	console = &oct->console[console_num];
744 	rd_idx = lio_read_device_mem32(oct, console->addr +
746 	wr_idx = lio_read_device_mem32(oct, console->addr +
749 	bytes_to_read = lio_console_avail_bytes(console->buffer_size,
760 	if (rd_idx + bytes_to_read >= console->buffer_size)
761 		bytes_to_read = console->buffer_size - rd_idx;
763 	lio_pci_read_core_mem(oct, console->output_base_addr + rd_idx,
765 	lio_write_device_mem32(oct, console->addr +
768 			       (rd_idx + bytes_to_read) % console->buffer_size);
776 	struct lio_console *console;
783 	console = &oct->console[console_num];
791 		 * Take console output regardless of whether it will be
803 			if (console->waiting)
807 			lio_dev_err(oct, "Error reading console %u, ret=%d\n",
815 	 * If nothing is read after polling the console, output any leftovers
818 	if ((total_read == 0) && (console->leftover[0])) {
819 		lio_dev_dbg(oct, "%u: %s\n", console_num, console->leftover);
820 		console->leftover[0] = '\0';