^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 _ASM_GENERIC_TERMIOS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #define _ASM_GENERIC_TERMIOS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <uapi/asm-generic/termios.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /* intr=^C quit=^\ erase=del kill=^U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) eof=^D vtime=\0 vmin=\1 sxtc=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) start=^Q stop=^S susp=^Z eol=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) reprint=^R discard=^U werase=^W lnext=^V
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) eol2=\0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #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 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Translate a "termio" structure into a "termios". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static inline int user_termio_to_kernel_termios(struct ktermios *termios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) const struct termio __user *termio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned short tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if (get_user(tmp, &termio->c_iflag) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) if (get_user(tmp, &termio->c_oflag) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) if (get_user(tmp, &termio->c_cflag) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) if (get_user(tmp, &termio->c_lflag) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) if (get_user(termios->c_line, &termio->c_line) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) goto fault;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) fault:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * Translate a "termios" structure into a "termio". Ugh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static inline int kernel_termios_to_user_termio(struct termio __user *termio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct ktermios *termios)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) put_user(termios->c_line, &termio->c_line) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #ifdef TCGETS2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static inline int user_termios_to_kernel_termios(struct ktermios *k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct termios2 __user *u)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return copy_from_user(k, u, sizeof(struct termios2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct ktermios *k)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return copy_to_user(u, k, sizeof(struct termios2));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct termios __user *u)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) return copy_from_user(k, u, sizeof(struct termios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct ktermios *k)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return copy_to_user(u, k, sizeof(struct termios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #else /* TCGETS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static inline int user_termios_to_kernel_termios(struct ktermios *k,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct termios __user *u)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) return copy_from_user(k, u, sizeof(struct termios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) static inline int kernel_termios_to_user_termios(struct termios __user *u,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct ktermios *k)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return copy_to_user(u, k, sizeof(struct termios));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #endif /* TCGETS2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #endif /* _ASM_GENERIC_TERMIOS_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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