References:

[Here i want to write something about the serial interface in the Linux kernel ...]

The serial structure serial_struct is defined in the header file include/linux/serial.h. Among the others it contains the following fields

• type, port type
• line, line number
• port, port number
• irq, irq number
• flags
• xmit_fifo_size, size of the transmit FIFO buffer
• baud_base
• close_delay
• closing_wait
• custom_divisor
• hub6
• io_type

The serial_icounter_struct contains the interrupt counters (this structure is replicated by the async_icount, in which all the fields are __u32),

• cts
• dsr
• rng
• dcd
• rx
• tx
• frame
• overrun
• parity
• brk
• buf_overrun