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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 | #ifndef _ALPHA_TERMIOS_H #define _ALPHA_TERMIOS_H #include <asm/ioctls.h> #include <asm/termbits.h> struct sgttyb { char sg_ispeed; char sg_ospeed; char sg_erase; char sg_kill; short sg_flags; }; struct tchars { char t_intrc; char t_quitc; char t_startc; char t_stopc; char t_eofc; char t_brkc; }; struct ltchars { char t_suspc; char t_dsuspc; char t_rprntc; char t_flushc; char t_werasc; char t_lnextc; }; struct winsize { unsigned short ws_row; unsigned short ws_col; unsigned short ws_xpixel; unsigned short ws_ypixel; }; #define NCC 8 struct termio { unsigned short c_iflag; /* input mode flags */ unsigned short c_oflag; /* output mode flags */ unsigned short c_cflag; /* control mode flags */ unsigned short c_lflag; /* local mode flags */ unsigned char c_line; /* line discipline */ unsigned char c_cc[NCC]; /* control characters */ }; /* * c_cc characters in the termio structure. Oh, how I love being * backwardly compatible. Notice that character 4 and 5 are * interpreted differently depending on whether ICANON is set in * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which * is compatible with sysV)... */ #define _VINTR 0 #define _VQUIT 1 #define _VERASE 2 #define _VKILL 3 #define _VEOF 4 #define _VMIN 4 #define _VEOL 5 #define _VTIME 5 #define _VEOL2 6 #define _VSWTC 7 /* line disciplines */ #define N_TTY 0 #define N_SLIP 1 #define N_MOUSE 2 #define N_PPP 3 #define N_STRIP 4 #define N_AX25 5 #define N_X25 6 /* X.25 async */ #define N_6PACK 7 #define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ #define N_R3964 9 /* Reserved for Simatic R3964 module */ #define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ #define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */ #define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ #define N_HDLC 13 /* synchronous HDLC */ #define N_SYNC_PPP 14 #define N_HCI 15 /* Bluetooth HCI UART */ #ifdef __KERNEL__ /* 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 termios *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 termios *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 /* __KERNEL__ */ #endif /* _ALPHA_TERMIOS_H */ |