1 #ifndef _ASM_GENERIC_TERMIOS_H
2 #define _ASM_GENERIC_TERMIOS_H
5 #include <asm/uaccess.h>
6 #include <uapi/asm-generic/termios.h>
8 /* intr=^C quit=^\ erase=del kill=^U
9 eof=^D vtime=\0 vmin=\1 sxtc=\0
10 start=^Q stop=^S susp=^Z eol=\0
11 reprint=^R discard=^U werase=^W lnext=^V
14 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
17 * Translate a "termio" structure into a "termios". Ugh.
19 static inline int user_termio_to_kernel_termios(struct ktermios *termios,
20 const struct termio __user *termio)
24 if (get_user(tmp, &termio->c_iflag) < 0)
26 termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp;
28 if (get_user(tmp, &termio->c_oflag) < 0)
30 termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp;
32 if (get_user(tmp, &termio->c_cflag) < 0)
34 termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp;
36 if (get_user(tmp, &termio->c_lflag) < 0)
38 termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp;
40 if (get_user(termios->c_line, &termio->c_line) < 0)
43 if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)
53 * Translate a "termios" structure into a "termio". Ugh.
55 static inline int kernel_termios_to_user_termio(struct termio __user *termio,
56 struct ktermios *termios)
58 if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||
59 put_user(termios->c_oflag, &termio->c_oflag) < 0 ||
60 put_user(termios->c_cflag, &termio->c_cflag) < 0 ||
61 put_user(termios->c_lflag, &termio->c_lflag) < 0 ||
62 put_user(termios->c_line, &termio->c_line) < 0 ||
63 copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)
70 static inline int user_termios_to_kernel_termios(struct ktermios *k,
71 struct termios2 __user *u)
73 return copy_from_user(k, u, sizeof(struct termios2));
76 static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
79 return copy_to_user(u, k, sizeof(struct termios2));
82 static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
83 struct termios __user *u)
85 return copy_from_user(k, u, sizeof(struct termios));
88 static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
91 return copy_to_user(u, k, sizeof(struct termios));
94 static inline int user_termios_to_kernel_termios(struct ktermios *k,
95 struct termios __user *u)
97 return copy_from_user(k, u, sizeof(struct termios));
100 static inline int kernel_termios_to_user_termios(struct termios __user *u,
103 return copy_to_user(u, k, sizeof(struct termios));
107 #endif /* _ASM_GENERIC_TERMIOS_H */