mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
96433f6ee4
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com> Acked-by: Michael Cree <mcree@orcon.net.nz> Acked-by: Matt Turner <mattst88@gmail.com>
81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
#ifndef _ALPHA_TERMIOS_H
|
|
#define _ALPHA_TERMIOS_H
|
|
|
|
#include <uapi/asm/termios.h>
|
|
|
|
/* eof=^D eol=\0 eol2=\0 erase=del
|
|
werase=^W kill=^U reprint=^R sxtc=\0
|
|
intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP>
|
|
start=^Q stop=^S lnext=^V discard=^U
|
|
vmin=\1 vtime=\0
|
|
*/
|
|
#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
|
|
|
|
/*
|
|
* Translate a "termio" structure into a "termios". Ugh.
|
|
*/
|
|
|
|
#define user_termio_to_kernel_termios(a_termios, u_termio) \
|
|
({ \
|
|
struct ktermios *k_termios = (a_termios); \
|
|
struct termio k_termio; \
|
|
int canon, ret; \
|
|
\
|
|
ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \
|
|
if (!ret) { \
|
|
/* Overwrite only the low bits. */ \
|
|
*(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \
|
|
*(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \
|
|
*(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \
|
|
*(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \
|
|
canon = k_termio.c_lflag & ICANON; \
|
|
\
|
|
k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \
|
|
k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \
|
|
k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \
|
|
k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \
|
|
k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \
|
|
k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \
|
|
k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \
|
|
k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \
|
|
} \
|
|
ret; \
|
|
})
|
|
|
|
/*
|
|
* Translate a "termios" structure into a "termio". Ugh.
|
|
*
|
|
* Note the "fun" _VMIN overloading.
|
|
*/
|
|
#define kernel_termios_to_user_termio(u_termio, a_termios) \
|
|
({ \
|
|
struct ktermios *k_termios = (a_termios); \
|
|
struct termio k_termio; \
|
|
int canon; \
|
|
\
|
|
k_termio.c_iflag = k_termios->c_iflag; \
|
|
k_termio.c_oflag = k_termios->c_oflag; \
|
|
k_termio.c_cflag = k_termios->c_cflag; \
|
|
canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \
|
|
\
|
|
k_termio.c_line = k_termios->c_line; \
|
|
k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \
|
|
k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \
|
|
k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \
|
|
k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \
|
|
k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \
|
|
k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \
|
|
k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \
|
|
k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \
|
|
\
|
|
copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \
|
|
})
|
|
|
|
#define user_termios_to_kernel_termios(k, u) \
|
|
copy_from_user(k, u, sizeof(struct termios))
|
|
|
|
#define kernel_termios_to_user_termios(u, k) \
|
|
copy_to_user(u, k, sizeof(struct termios))
|
|
|
|
#endif /* _ALPHA_TERMIOS_H */
|