Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _PARISC_TERMIOS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _PARISC_TERMIOS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <uapi/asm/termios.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) /*	intr=^C		quit=^\		erase=del	kill=^U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	eof=^D		vtime=\0	vmin=\1		sxtc=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	start=^Q	stop=^S		susp=^Z		eol=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	reprint=^R	discard=^U	werase=^W	lnext=^V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	eol2=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * Translate a "termio" structure into a "termios". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	unsigned short __tmp; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	get_user(__tmp,&(termio)->x); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	*(unsigned short *) &(termios)->x = __tmp; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define user_termio_to_kernel_termios(termios, termio) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  * Translate a "termios" structure into a "termio". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define kernel_termios_to_user_termio(termio, termios) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	put_user((termios)->c_iflag, &(termio)->c_iflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	put_user((termios)->c_oflag, &(termio)->c_oflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	put_user((termios)->c_cflag, &(termio)->c_cflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	put_user((termios)->c_lflag, &(termio)->c_lflag); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	put_user((termios)->c_line,  &(termio)->c_line); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #endif	/* _PARISC_TERMIOS_H */