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1da177e4 LT |
1 | #ifndef _SPARC_TERMIOS_H |
2 | #define _SPARC_TERMIOS_H | |
3 | ||
54579826 | 4 | #include <uapi/asm/termios.h> |
1da177e4 | 5 | |
1da177e4 LT |
6 | |
7 | /* | |
8 | * c_cc characters in the termio structure. Oh, how I love being | |
9 | * backwardly compatible. Notice that character 4 and 5 are | |
10 | * interpreted differently depending on whether ICANON is set in | |
11 | * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise | |
12 | * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which | |
13 | * is compatible with sysV)... | |
14 | */ | |
15 | #define _VMIN 4 | |
16 | #define _VTIME 5 | |
17 | ||
1da177e4 LT |
18 | /* intr=^C quit=^\ erase=del kill=^U |
19 | eof=^D eol=\0 eol2=\0 sxtc=\0 | |
20 | start=^Q stop=^S susp=^Z dsusp=^Y | |
21 | reprint=^R discard=^U werase=^W lnext=^V | |
22 | vmin=\1 vtime=\0 | |
23 | */ | |
24 | #define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001" | |
25 | ||
26 | /* | |
27 | * Translate a "termio" structure into a "termios". Ugh. | |
28 | */ | |
29 | #define user_termio_to_kernel_termios(termios, termio) \ | |
30 | ({ \ | |
31 | unsigned short tmp; \ | |
c6d1b0e3 SR |
32 | int err; \ |
33 | err = get_user(tmp, &(termio)->c_iflag); \ | |
1da177e4 | 34 | (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \ |
c6d1b0e3 | 35 | err |= get_user(tmp, &(termio)->c_oflag); \ |
1da177e4 | 36 | (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \ |
c6d1b0e3 | 37 | err |= get_user(tmp, &(termio)->c_cflag); \ |
1da177e4 | 38 | (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \ |
c6d1b0e3 | 39 | err |= get_user(tmp, &(termio)->c_lflag); \ |
1da177e4 | 40 | (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \ |
c6d1b0e3 SR |
41 | err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ |
42 | err; \ | |
1da177e4 LT |
43 | }) |
44 | ||
45 | /* | |
46 | * Translate a "termios" structure into a "termio". Ugh. | |
47 | * | |
48 | * Note the "fun" _VMIN overloading. | |
49 | */ | |
50 | #define kernel_termios_to_user_termio(termio, termios) \ | |
51 | ({ \ | |
c6d1b0e3 SR |
52 | int err; \ |
53 | err = put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
54 | err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
55 | err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
56 | err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
57 | err |= put_user((termios)->c_line, &(termio)->c_line); \ | |
58 | err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
1da177e4 | 59 | if (!((termios)->c_lflag & ICANON)) { \ |
c6d1b0e3 SR |
60 | err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \ |
61 | err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \ | |
1da177e4 | 62 | } \ |
c6d1b0e3 | 63 | err; \ |
1da177e4 LT |
64 | }) |
65 | ||
66 | #define user_termios_to_kernel_termios(k, u) \ | |
6050afbb DM |
67 | ({ \ |
68 | int err; \ | |
69 | err = get_user((k)->c_iflag, &(u)->c_iflag); \ | |
70 | err |= get_user((k)->c_oflag, &(u)->c_oflag); \ | |
71 | err |= get_user((k)->c_cflag, &(u)->c_cflag); \ | |
72 | err |= get_user((k)->c_lflag, &(u)->c_lflag); \ | |
73 | err |= get_user((k)->c_line, &(u)->c_line); \ | |
74 | err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ | |
75 | if ((k)->c_lflag & ICANON) { \ | |
76 | err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ | |
77 | err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ | |
78 | } else { \ | |
79 | err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ | |
80 | err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ | |
81 | } \ | |
82 | err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \ | |
83 | err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \ | |
84 | err; \ | |
85 | }) | |
86 | ||
87 | #define kernel_termios_to_user_termios(u, k) \ | |
88 | ({ \ | |
89 | int err; \ | |
90 | err = put_user((k)->c_iflag, &(u)->c_iflag); \ | |
91 | err |= put_user((k)->c_oflag, &(u)->c_oflag); \ | |
92 | err |= put_user((k)->c_cflag, &(u)->c_cflag); \ | |
93 | err |= put_user((k)->c_lflag, &(u)->c_lflag); \ | |
94 | err |= put_user((k)->c_line, &(u)->c_line); \ | |
95 | err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ | |
96 | if (!((k)->c_lflag & ICANON)) { \ | |
97 | err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ | |
98 | err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ | |
99 | } else { \ | |
100 | err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ | |
101 | err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ | |
102 | } \ | |
103 | err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \ | |
104 | err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \ | |
105 | err; \ | |
106 | }) | |
107 | ||
108 | #define user_termios_to_kernel_termios_1(k, u) \ | |
1da177e4 | 109 | ({ \ |
c6d1b0e3 SR |
110 | int err; \ |
111 | err = get_user((k)->c_iflag, &(u)->c_iflag); \ | |
112 | err |= get_user((k)->c_oflag, &(u)->c_oflag); \ | |
113 | err |= get_user((k)->c_cflag, &(u)->c_cflag); \ | |
114 | err |= get_user((k)->c_lflag, &(u)->c_lflag); \ | |
115 | err |= get_user((k)->c_line, &(u)->c_line); \ | |
116 | err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ | |
6050afbb | 117 | if ((k)->c_lflag & ICANON) { \ |
c6d1b0e3 SR |
118 | err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ |
119 | err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ | |
1da177e4 | 120 | } else { \ |
c6d1b0e3 SR |
121 | err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ |
122 | err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ | |
1da177e4 | 123 | } \ |
c6d1b0e3 | 124 | err; \ |
1da177e4 LT |
125 | }) |
126 | ||
6050afbb | 127 | #define kernel_termios_to_user_termios_1(u, k) \ |
1da177e4 | 128 | ({ \ |
c6d1b0e3 SR |
129 | int err; \ |
130 | err = put_user((k)->c_iflag, &(u)->c_iflag); \ | |
131 | err |= put_user((k)->c_oflag, &(u)->c_oflag); \ | |
132 | err |= put_user((k)->c_cflag, &(u)->c_cflag); \ | |
133 | err |= put_user((k)->c_lflag, &(u)->c_lflag); \ | |
134 | err |= put_user((k)->c_line, &(u)->c_line); \ | |
135 | err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ | |
6050afbb | 136 | if (!((k)->c_lflag & ICANON)) { \ |
c6d1b0e3 SR |
137 | err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ |
138 | err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ | |
1da177e4 | 139 | } else { \ |
c6d1b0e3 SR |
140 | err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ |
141 | err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ | |
1da177e4 | 142 | } \ |
c6d1b0e3 | 143 | err; \ |
1da177e4 LT |
144 | }) |
145 | ||
1da177e4 | 146 | #endif /* _SPARC_TERMIOS_H */ |