[mirror_ubuntu-artful-kernel.git] / include / asm-alpha / termios.h

#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 */
Commit	Line	Data
1da177e4 LT	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 */