^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 _ALPHA_TERMIOS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ALPHA_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) /* eof=^D eol=\0 eol2=\0 erase=del
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) werase=^W kill=^U reprint=^R sxtc=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) start=^Q stop=^S lnext=^V discard=^U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) vmin=\1 vtime=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * Translate a "termio" structure into a "termios". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define user_termio_to_kernel_termios(a_termios, u_termio) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct ktermios *k_termios = (a_termios); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct termio k_termio; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) int canon, ret; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) if (!ret) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) /* Overwrite only the low bits. */ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) *(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) *(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) *(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) canon = k_termio.c_lflag & ICANON; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) ret; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) })
^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) * Translate a "termios" structure into a "termio". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * Note the "fun" _VMIN overloading.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define kernel_termios_to_user_termio(u_termio, a_termios) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct ktermios *k_termios = (a_termios); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) struct termio k_termio; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int canon; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) k_termio.c_iflag = k_termios->c_iflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) k_termio.c_oflag = k_termios->c_oflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) k_termio.c_cflag = k_termios->c_cflag; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) k_termio.c_line = k_termios->c_line; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define user_termios_to_kernel_termios(k, u) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) copy_from_user(k, u, sizeof(struct termios2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define kernel_termios_to_user_termios(u, k) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) copy_to_user(u, k, sizeof(struct termios2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define user_termios_to_kernel_termios_1(k, u) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) copy_from_user(k, u, sizeof(struct termios))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define kernel_termios_to_user_termios_1(u, k) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) copy_to_user(u, k, sizeof(struct termios))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #endif /* _ALPHA_TERMIOS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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