diff options
Diffstat (limited to 'arch/sandbox/include/asm/serial.h')
| -rw-r--r-- | arch/sandbox/include/asm/serial.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/serial.h b/arch/sandbox/include/asm/serial.h index bc82aebd0e..16589a1b21 100644 --- a/arch/sandbox/include/asm/serial.h +++ b/arch/sandbox/include/asm/serial.h @@ -17,6 +17,28 @@ struct sandbox_serial_plat { }; /** + * sandbox_serial_written() - Get the total number of characters written + * + * This returns the number of characters written by the sandbox serial + * device. It is intended for performing tests of the serial subsystem + * where a console buffer cannot be used. The absolute number should not be + * relied upon; call this function twice and compare the difference. + * + * Return: The number of characters written + */ +size_t sandbox_serial_written(void); + +/** + * sandbox_serial_endisable() - Enable or disable serial output + * @enabled: Whether serial output should be enabled or not + * + * This allows tests to enable or disable the sandbox serial output. All + * processes relating to writing output (except the actual writing) will be + * performed. + */ +void sandbox_serial_endisable(bool enabled); + +/** * struct sandbox_serial_priv - Private data for this driver * * @buf: holds input characters available to be read by this driver |