Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/include/asm-alpha/termios.h
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
File MIME type: text/plain
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Wed Mar 4 11:03:09 2009 UTC (15 years, 3 months ago) by niro
File MIME type: text/plain
File size: 4852 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | #ifndef _ALPHA_TERMIOS_H |
2 | #define _ALPHA_TERMIOS_H |
3 | |
4 | #include <asm/ioctls.h> |
5 | #include <asm/termbits.h> |
6 | |
7 | struct sgttyb { |
8 | char sg_ispeed; |
9 | char sg_ospeed; |
10 | char sg_erase; |
11 | char sg_kill; |
12 | short sg_flags; |
13 | }; |
14 | |
15 | struct tchars { |
16 | char t_intrc; |
17 | char t_quitc; |
18 | char t_startc; |
19 | char t_stopc; |
20 | char t_eofc; |
21 | char t_brkc; |
22 | }; |
23 | |
24 | struct ltchars { |
25 | char t_suspc; |
26 | char t_dsuspc; |
27 | char t_rprntc; |
28 | char t_flushc; |
29 | char t_werasc; |
30 | char t_lnextc; |
31 | }; |
32 | |
33 | struct winsize { |
34 | unsigned short ws_row; |
35 | unsigned short ws_col; |
36 | unsigned short ws_xpixel; |
37 | unsigned short ws_ypixel; |
38 | }; |
39 | |
40 | #define NCC 8 |
41 | struct termio { |
42 | unsigned short c_iflag; /* input mode flags */ |
43 | unsigned short c_oflag; /* output mode flags */ |
44 | unsigned short c_cflag; /* control mode flags */ |
45 | unsigned short c_lflag; /* local mode flags */ |
46 | unsigned char c_line; /* line discipline */ |
47 | unsigned char c_cc[NCC]; /* control characters */ |
48 | }; |
49 | |
50 | /* |
51 | * c_cc characters in the termio structure. Oh, how I love being |
52 | * backwardly compatible. Notice that character 4 and 5 are |
53 | * interpreted differently depending on whether ICANON is set in |
54 | * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise |
55 | * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which |
56 | * is compatible with sysV)... |
57 | */ |
58 | #define _VINTR 0 |
59 | #define _VQUIT 1 |
60 | #define _VERASE 2 |
61 | #define _VKILL 3 |
62 | #define _VEOF 4 |
63 | #define _VMIN 4 |
64 | #define _VEOL 5 |
65 | #define _VTIME 5 |
66 | #define _VEOL2 6 |
67 | #define _VSWTC 7 |
68 | |
69 | /* line disciplines */ |
70 | #define N_TTY 0 |
71 | #define N_SLIP 1 |
72 | #define N_MOUSE 2 |
73 | #define N_PPP 3 |
74 | #define N_STRIP 4 |
75 | #define N_AX25 5 |
76 | #define N_X25 6 /* X.25 async */ |
77 | #define N_6PACK 7 |
78 | #define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ |
79 | #define N_R3964 9 /* Reserved for Simatic R3964 module */ |
80 | #define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ |
81 | #define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */ |
82 | #define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ |
83 | #define N_HDLC 13 /* synchronous HDLC */ |
84 | #define N_SYNC_PPP 14 |
85 | #define N_HCI 15 /* Bluetooth HCI UART */ |
86 | |
87 | #ifdef __KERNEL__ |
88 | /* eof=^D eol=\0 eol2=\0 erase=del |
89 | werase=^W kill=^U reprint=^R sxtc=\0 |
90 | intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP> |
91 | start=^Q stop=^S lnext=^V discard=^U |
92 | vmin=\1 vtime=\0 |
93 | */ |
94 | #define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000" |
95 | |
96 | /* |
97 | * Translate a "termio" structure into a "termios". Ugh. |
98 | */ |
99 | |
100 | #define user_termio_to_kernel_termios(a_termios, u_termio) \ |
101 | ({ \ |
102 | struct termios *k_termios = (a_termios); \ |
103 | struct termio k_termio; \ |
104 | int canon, ret; \ |
105 | \ |
106 | ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \ |
107 | if (!ret) { \ |
108 | /* Overwrite only the low bits. */ \ |
109 | *(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \ |
110 | *(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \ |
111 | *(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \ |
112 | *(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \ |
113 | canon = k_termio.c_lflag & ICANON; \ |
114 | \ |
115 | k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \ |
116 | k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \ |
117 | k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \ |
118 | k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \ |
119 | k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \ |
120 | k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \ |
121 | k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \ |
122 | k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \ |
123 | } \ |
124 | ret; \ |
125 | }) |
126 | |
127 | /* |
128 | * Translate a "termios" structure into a "termio". Ugh. |
129 | * |
130 | * Note the "fun" _VMIN overloading. |
131 | */ |
132 | #define kernel_termios_to_user_termio(u_termio, a_termios) \ |
133 | ({ \ |
134 | struct termios *k_termios = (a_termios); \ |
135 | struct termio k_termio; \ |
136 | int canon; \ |
137 | \ |
138 | k_termio.c_iflag = k_termios->c_iflag; \ |
139 | k_termio.c_oflag = k_termios->c_oflag; \ |
140 | k_termio.c_cflag = k_termios->c_cflag; \ |
141 | canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \ |
142 | \ |
143 | k_termio.c_line = k_termios->c_line; \ |
144 | k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \ |
145 | k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \ |
146 | k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \ |
147 | k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \ |
148 | k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \ |
149 | k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \ |
150 | k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \ |
151 | k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \ |
152 | \ |
153 | copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \ |
154 | }) |
155 | |
156 | #define user_termios_to_kernel_termios(k, u) \ |
157 | copy_from_user(k, u, sizeof(struct termios)) |
158 | |
159 | #define kernel_termios_to_user_termios(u, k) \ |
160 | copy_to_user(u, k, sizeof(struct termios)) |
161 | |
162 | #endif /* __KERNEL__ */ |
163 | |
164 | #endif /* _ALPHA_TERMIOS_H */ |