[PATCH] Get rid of "double zeroing" of allocated pages
[linux-2.6/verdex.git] / include / asm-sh64 / termios.h
blobdc44e6ed3a7ccb55c1285b5979b716710945ca80
1 #ifndef __ASM_SH64_TERMIOS_H
2 #define __ASM_SH64_TERMIOS_H
4 /*
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file "COPYING" in the main directory of this archive
7 * for more details.
9 * include/asm-sh64/termios.h
11 * Copyright (C) 2000, 2001 Paolo Alberelli
15 #include <asm/termbits.h>
16 #include <asm/ioctls.h>
18 struct winsize {
19 unsigned short ws_row;
20 unsigned short ws_col;
21 unsigned short ws_xpixel;
22 unsigned short ws_ypixel;
25 #define NCC 8
26 struct termio {
27 unsigned short c_iflag; /* input mode flags */
28 unsigned short c_oflag; /* output mode flags */
29 unsigned short c_cflag; /* control mode flags */
30 unsigned short c_lflag; /* local mode flags */
31 unsigned char c_line; /* line discipline */
32 unsigned char c_cc[NCC]; /* control characters */
35 /* modem lines */
36 #define TIOCM_LE 0x001
37 #define TIOCM_DTR 0x002
38 #define TIOCM_RTS 0x004
39 #define TIOCM_ST 0x008
40 #define TIOCM_SR 0x010
41 #define TIOCM_CTS 0x020
42 #define TIOCM_CAR 0x040
43 #define TIOCM_RNG 0x080
44 #define TIOCM_DSR 0x100
45 #define TIOCM_CD TIOCM_CAR
46 #define TIOCM_RI TIOCM_RNG
47 #define TIOCM_OUT1 0x2000
48 #define TIOCM_OUT2 0x4000
49 #define TIOCM_LOOP 0x8000
51 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
53 #ifdef __KERNEL__
55 /* intr=^C quit=^\ erase=del kill=^U
56 eof=^D vtime=\0 vmin=\1 sxtc=\0
57 start=^Q stop=^S susp=^Z eol=\0
58 reprint=^R discard=^U werase=^W lnext=^V
59 eol2=\0
61 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
64 * Translate a "termio" structure into a "termios". Ugh.
66 #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
67 unsigned short __tmp; \
68 get_user(__tmp,&(termio)->x); \
69 *(unsigned short *) &(termios)->x = __tmp; \
72 #define user_termio_to_kernel_termios(termios, termio) \
73 ({ \
74 SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
75 SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
76 SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
77 SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
78 copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
82 * Translate a "termios" structure into a "termio". Ugh.
84 #define kernel_termios_to_user_termio(termio, termios) \
85 ({ \
86 put_user((termios)->c_iflag, &(termio)->c_iflag); \
87 put_user((termios)->c_oflag, &(termio)->c_oflag); \
88 put_user((termios)->c_cflag, &(termio)->c_cflag); \
89 put_user((termios)->c_lflag, &(termio)->c_lflag); \
90 put_user((termios)->c_line, &(termio)->c_line); \
91 copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
94 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
95 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
97 #endif /* __KERNEL__ */
99 #endif /* __ASM_SH64_TERMIOS_H */