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164 lines
4.7 KiB
164 lines
4.7 KiB
#ifndef _ALPHA_TERMIOS_H
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#define _ALPHA_TERMIOS_H
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#include <asm/ioctls.h>
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#include <asm/termbits.h>
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struct sgttyb {
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char sg_ispeed;
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char sg_ospeed;
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char sg_erase;
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char sg_kill;
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short sg_flags;
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};
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struct tchars {
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char t_intrc;
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char t_quitc;
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char t_startc;
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char t_stopc;
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char t_eofc;
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char t_brkc;
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};
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struct ltchars {
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char t_suspc;
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char t_dsuspc;
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char t_rprntc;
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char t_flushc;
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char t_werasc;
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char t_lnextc;
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};
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struct winsize {
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unsigned short ws_row;
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unsigned short ws_col;
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unsigned short ws_xpixel;
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unsigned short ws_ypixel;
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};
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#define NCC 8
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struct termio {
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unsigned short c_iflag; /* input mode flags */
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unsigned short c_oflag; /* output mode flags */
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unsigned short c_cflag; /* control mode flags */
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unsigned short c_lflag; /* local mode flags */
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unsigned char c_line; /* line discipline */
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unsigned char c_cc[NCC]; /* control characters */
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};
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/*
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* c_cc characters in the termio structure. Oh, how I love being
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* backwardly compatible. Notice that character 4 and 5 are
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* interpreted differently depending on whether ICANON is set in
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* c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise
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* as _VMIN and V_TIME. This is for compatibility with OSF/1 (which
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* is compatible with sysV)...
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*/
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#define _VINTR 0
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#define _VQUIT 1
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#define _VERASE 2
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#define _VKILL 3
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#define _VEOF 4
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#define _VMIN 4
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#define _VEOL 5
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#define _VTIME 5
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#define _VEOL2 6
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#define _VSWTC 7
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/* line disciplines */
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#define N_TTY 0
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#define N_SLIP 1
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#define N_MOUSE 2
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#define N_PPP 3
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#define N_STRIP 4
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#define N_AX25 5
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#define N_X25 6 /* X.25 async */
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#define N_6PACK 7
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#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */
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#define N_R3964 9 /* Reserved for Simatic R3964 module */
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#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */
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#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */
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#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */
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#define N_HDLC 13 /* synchronous HDLC */
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#define N_SYNC_PPP 14
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#define N_HCI 15 /* Bluetooth HCI UART */
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#ifdef __KERNEL__
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/* eof=^D eol=\0 eol2=\0 erase=del
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werase=^W kill=^U reprint=^R sxtc=\0
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intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP>
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start=^Q stop=^S lnext=^V discard=^U
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vmin=\1 vtime=\0
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*/
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#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
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/*
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* Translate a "termio" structure into a "termios". Ugh.
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*/
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#define user_termio_to_kernel_termios(a_termios, u_termio) \
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({ \
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struct termios *k_termios = (a_termios); \
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struct termio k_termio; \
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int canon, ret; \
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\
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ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \
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if (!ret) { \
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/* Overwrite only the low bits. */ \
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*(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \
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*(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \
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*(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \
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*(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \
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canon = k_termio.c_lflag & ICANON; \
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\
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k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \
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k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \
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k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \
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k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \
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k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \
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k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \
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k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \
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k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \
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} \
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ret; \
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})
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/*
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* Translate a "termios" structure into a "termio". Ugh.
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*
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* Note the "fun" _VMIN overloading.
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*/
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#define kernel_termios_to_user_termio(u_termio, a_termios) \
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({ \
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struct termios *k_termios = (a_termios); \
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struct termio k_termio; \
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int canon; \
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\
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k_termio.c_iflag = k_termios->c_iflag; \
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k_termio.c_oflag = k_termios->c_oflag; \
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k_termio.c_cflag = k_termios->c_cflag; \
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canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \
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\
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k_termio.c_line = k_termios->c_line; \
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k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \
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k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \
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k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \
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k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \
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k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \
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k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \
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k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \
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k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \
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\
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copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \
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})
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#define user_termios_to_kernel_termios(k, u) \
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copy_from_user(k, u, sizeof(struct termios))
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#define kernel_termios_to_user_termios(u, k) \
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copy_to_user(u, k, sizeof(struct termios))
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#endif /* __KERNEL__ */
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#endif /* _ALPHA_TERMIOS_H */
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