DataMuseum.dk

top - metrics - download

    Length: 11499 (0x2ceb)
    Types: TextFile
    Notes: UNIX file
    Names: »mux.h«

└─⟦aca99617e⟧ Bits:30004042/update3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦aca99617e⟧ UNIX Filesystem
    └─⟦this⟧ »U3/new/usr/include/sys/mux.h« 

TextFile

/* mux.h 
 * Started 860116 HCA
 *
 * Modified for Rel4.0 ( MSL-II)  860528 HCA
 *
 *  87.04.23 moved from rc39 to xyz
 *  87.12.17 AIOC redefined
 *  88.01.14 buffer sizes redefined for 64 devices
 *  88.07.11 csp version 4
 */

#include "sys/csp.h"

typedef unsigned short mux_t;		/*addresses within shared memory*/

#define MUXTEST		255	/* minor number for test */

#define ASCII		0
#define ISO			1
#define	IBM_DOS		2

#define MAX_CHAN	48	/* channels per mux board */
#define	TTOPRI		29
#define	TTIPRI		28

#define MAXOUTS		2	/* at most 2 outputs outstanding				*/
#define ATTN_OUT	4	/* Attentions out for each board				*/

#define IB_SIZE		512 /* Input buffer size							*/
#define	ITC_C_BUFFS	200	/* Number of command descriptors				*/
#define CB_SIZE		(sizeof(struct cmd_descr))
#define ITC_O_HIGH	128  /* Max number of output. buffers				*/
#define ITC_O_LOW	64  /* Min number of output buffers accepted		*/
#define OB_SIZE		256 /* Size of output buffer						*/

#define ITCBUFF		255 /* max size of count in input buffer			*/
#define NOCC		512 /* default size of non canon count  			*/
#define ITCBUFF_2	257 /* buffer + 2 for link in canon					*/
#define CAN_LIM		(IB_SIZE - ITCBUFF_2)

/*bits in mux_status*/
#define ITC_MISSING	0x0001	/* muxgate1 i.e. 1. intr. not rec. yet	 	*/
#define ITC_ERROR	0x0002	/* some fatal error occurred				*/
#define ITC_FATAL   (ITC_ERROR | ITC_MISSING)
#define ITC_OK		0x0010	/* board downloaded without error			*/

#define WANT_C_SPACE	0x1100	/*set if sleeping for cmd. descr.		*/
#define WANT_O_SPACE	0x1400	/*set if sleeping for output buffer		*/
#define WANT_SPACE		0x1000  /*set if sleeping for any buffer		*/
#define AND_SPACE		0xe0ff	/*Clear all SPACE flags					*/

/*bits in chan_status*/
#define C_TASLP		0x000001	/* Sleep in read for terminate input		*/
#define C_WOPEN1	0x000002	/* Secondary wait for open					*/
#define C_TERMIO	0x000004	/* Termio dev. read/write/ioctl allowed		*/
#define C_PRINTER	0x000008	/* Printer device							*/
#define	C_CLOSED	0x000010	/* Channel Closed  (Good!)					*/
#define	C_WOPEN		0x000020	/* Want open on channel	(Sleeping on open)	*/
#define	C_ISOPEN	0x000040	/* Channel is open (Could be serious!)		*/
#define	C_WCLOSE	0x000080	/* Want close on channel. (Recommendable)	*/
#define C_IASLP		0x000100	/* Sleep in read							*/
#define C_ORDER 	0x000200	/* Set if put < get in input buffer			*/
#define C_INOUT 	0x000400	/* Input buffer out							*/
#define C_OASLP		0x000800	/* Sleep in output							*/
#define C_STOPPED	0x001000	/* Channel is stopped due to set_mode		*/
#define C_WAITO		0x002000	/* wait for output to finish				*/
#define C_HANGUP	0x004000	/* Channel offline 							*/
#define C_COPYDEV	0x008000	/* Hardcopy device							*/
#define C_TIMEOUT	0x010000	/* Timeout status (non canon input)			*/
#define C_WTO		0x020000	/* Waiting for timeout or open				*/
#define	C_REMOTE	0x040000	/* Allocated by CSPTERM						*/
#define	C_WATTN		0x080000	/* Waiting for specific attention			*/
#define	C_CARR_OFF	0x100000	/* carrier off flag							*/
#define	C_7BIT		0x200000	/* send esc sequence on close				*/
#define C_SETMODE	0x400000	/* set_mode active							*/


/* Various combinations of above flags					*/

#define C_USED		(C_TERMIO | C_PRINTER | C_COPYDEV)
#define C_OPENFLAGS	(C_CLOSED|C_WOPEN|C_ISOPEN|C_WCLOSE)
#define C_TERMOK	(C_TERMIO | C_ISOPEN) /*  channel open and TERMIO */
#define C_OPENINIT  (C_OPENFLAGS | C_USED) /* Mask for open initialization */
#define SET_STATUS(X)	((tp->chan_status & ~C_OPENFLAGS) | X)


#define U_NEU   0x1		/* Neutral device						*/
#define U_LOG   0x2		/* Login device							*/
#define U_PRN   0x4		/* Printer								*/
#define U_MOD   0x8		/* Modem flag							*/
#define U_COP	0x10	/* Hardcopy device, read only			*/
\f


struct pr_chan_st { /* Configuration flags pr channel			*/
	short  p_cflg; 	/* cflag - see termio						*/
	char p_rcfl;	/* Flags for RC. - C_USED					*/
	char p_tabs;	/* Tab value ln2							*/
	char p_xontime;	/* timeout before xoff is disregarded		*/
	char p_modem;	/* modem type								*/
	short p_res;	/* reserved for future use (should be zero)	*/
};

/*		Xon Timeout : 0  infinit   (Default)			*/
/*                            1   1 sec.				*/
/*                            2   5 sec.				*/
/*                            3  20 sec.				*/

struct param_st {
    char ps_reserved[16];	/* reserved for funny things		*/
	struct pr_chan_st p_dev[MAX_CHAN]; 	/* Pr. dev structure	*/
};

struct mux_cfg {		/* struct from which mux is configured	*/
	short c_boardno;	/* asl board number						*/
	short c_fchan;		/* first channel no. on board			*/
	short c_lchan;		/* last+1 channel no. on board			*/
};

struct mode {
	unsigned short m_iflag, m_oflag, m_cflag,m_lflag;
	unsigned short m_intr, m_quit, m_erase, m_kill, m_eof, m_nl, m_eol,
				   m_susp, m_bslsh, m_chost;
	unsigned short m_timeout, m_minimum, m_maximum;
};

struct open_result {
	unsigned short	op_appl;
	struct mode		op_mode;
	char 			op_type[10];
	char			op_name[10];
};
\f


struct mux_chan {		/* per-channel structure						*/
	int   chan_status;	/* Various flags, See above.					*/
	mux_t	ibuff;		/* ptr to buffer being used for input			*/
	mux_t	put;		/* ptr to act. input addr in input buffer		*/
	mux_t	get;		/* ptr to next read from input buffer			*/
	mux_t	next;		/* next addr. for link in canon input buffer	*/
	mux_t	free;		/* consecutive free space in input buffer		*/
	mux_t	top;        /* first unused byte in input buffer (NON CANON) */
	short   cc_b;		/* In canon: count in current canon input		*/
						/* In non_canon: Total count in input buffer	*/
	struct  mux_board * board_p;/* Points to board for this channel		*/
	short   chan_no;	/* Channel no. on board							*/
	ushort  init_cflag;	/* Initail cflag from param file 				*/
	ushort	t_iflag;	/* input modes									*/
	ushort	t_oflag;	/* output modes									*/
	ushort	t_cflag;	/* control modes								*/
	ushort	t_lflag;	/* line discipline modes						*/
	ushort	t_xflag;	/* external protocol modes 						*/
	short   outputs;	/* count of outputs waiting on mux				*/
	short	t_pgrp;		/* process group name 							*/
	short	t_delct;	/* Canon delimeter counter						*/
	unchar	t_cc[NCC + 2];	/* settable control chars 					*/
	struct tncon t_tncon;
    struct cmd_descr * o_cmd;
	int		t_ctimeid;
	int		t_otimeid;
    struct open_result t_open_result;
#ifdef VPIX
    v86_t	* t_pv86;
    unchar	t_v86int;
#endif
    unchar	t_cspvers;
    unchar	close_index;
	ulong	xt_flags;
	proc_t	*xt_rproc;
	proc_t	*xt_wproc;
};

struct mux_board {
	struct x_buf xb;
	struct mslbuf msl;

	short	fchan;		/* First channel no. on board					*/
	short	lchan;		/* Last + 1 channel no. on board				*/
	char	board_no;	/* Board number for this structure				*/
	caddr_t	mux_window;	/* address of common memory						*/
	mux_t	mem_avail; 	/* Memory available for c,i & o buffers			*/
	short	mux_status;	/* board status									*/
	struct cmd_descr * chainend;
	mux_t	c_buffs[256];	/* Addrs of unallocated cmd descr.			*/
	unchar  c_get;		/* Index for next get							*/
	unchar  c_put;		/* Index to next put							*/
	mux_t	o_buffs[ITC_O_HIGH]; /* Addrs of unallocated output buffs	*/
	int     o_free;		/* No of o buffs unallocated					*/
};
\f


struct cmd_descr {
	mux_t	next;		/* next in chain of cmd-descr's					*/
	unchar  operation;	/* opcode										*/
	unchar  channel;	/* channel number								*/
	unchar  result;		/* mux's response 								*/
	unchar  align;		/* Alignment - also used internally by ITC-FW	*/
	mux_t	bufadr;		/* address of related buffer					*/
	mux_t	size;		/* size of buffer used 							*/
	mux_t	cd_count;	/* actual number of chars read					*/
	unchar  mode;		/* close mode									*/
    unchar  unit;		/* close unit									*/
	unchar	state;		/* line state (offline/online)					*/
    union {
	    unchar	u_prst;	/* printer status (paper end / deselect ..)		*/
	    unchar	u_vrs;	/* csp terminal csp protocol version			*/
    } cmd_union;
};
#define prstat	cmd_union.u_prst
#define cspvers	cmd_union.u_vrs

struct comcb {
	unsigned short cb_iflag;
	unsigned short cb_oflag;
	unsigned short cb_cflag;
	unsigned short cb_lflag;
	unsigned short cb_timer; /* Timer value in 20ms i.e. 5*vtime		*/
	char	cb_intr;
	char	cb_quit;
	char	cb_erase;
	char	cb_kill;
	char	cb_eof;
	char	cb_eol;
	char	cb_sp_e;		/* Special disconnect enable				*/
	char	cb_sp_c;		/* Special disconnect character				*/
	char	cb_nl;			/* Default cannonical terminator (NEWLINE)	*/
	char	cb_count;		/* Count in ter_tab							*/
};
\f


struct memdescr {
	mux_t	m_paroff;	/* Offset to param area in mux window	*/
	mux_t	m_prioff;	/* Offset to private mem in mux window	*/
	mux_t	m_size;		/* Size of private mem in mux window	*/
	mux_t   m_boff;		/* Physical address of window (64K)		*/
};

/*operation codes*/

#define O_CII_ERR    0  /* Error on CII  detected by firmware   */
#define O_OPEN	     1	/* Open channel							*/
#define	O_CLOSE	     2	/* Close channel						*/
#define O_SET_BUF    3	/* Setup work area for Term.char & fifo */
#define	O_SET_MODE   4	/* Set channel mode witk comcb struct	*/
#define O_PASS	     5  /* Pass through command					*/
#define	O_INPUT      6	/* Normal Input command					*/
#define	O_OUT_NOR    7	/* Normal Output command				*/
#define	O_OUT_SPEC   8	/* Output to none open TERMIO device	*/
#define	O_TERM_INP   9	/* Terminated inputs out				*/
#define	O_STATUS    10	/* Channel status (No inputs out) 		*/
#define O_MODEM	    11	/* Used for Modem Control				*/
#define O_CONVERT   12  /* Set conversion						*/
#define O_ATTENTION 15	/* Channel attention command			*/

/*possible responses */

#define	R_OK		0		/* Response ok.						*/
#define R_NL		0x00	/* 00 input terminated with newline	*/
#define R_EOL		0x01	/* 01 input terminated by eol char	*/
#define R_EOF		0x02	/* 02 input terminated by eof char	*/
#define R_FULL		0x20	/* 32 input buffer full				*/
#define R_TERMIN	0x21    /* 33 input terminated by request	*/
#define R_TIMEOUT	0x22	/* 34 input terminated by timeout	*/
#define R_INTR		0x40	/* 64 intr char typed 				*/
#define R_QUIT		0x41	/* 65 quit char typed 				*/
#define R_OFFL		0x42 	/* 66 device offline  				*/
#define R_CLOSED	0x43	/* 67 device closed					*/
#define R_NO_PROC	0x44	/* 68 Output buffer not processed	*/
#define R_ONL		0x45	/* 69 device online					*/
#define R_DESEL		0x46	/* 70 Printer status - deselected	*/
#define	R_REGRET	0x48	/* 72 Command regretted				*/
#define R_ISOPEN	0x49	/* 73 Channel in use from CSP-LAN ?	*/
#define R_SPECIAL	0x40	/* Regret,intr,quit or offline flag	*/
#define R_ERROR		0x80	/* 128 Fatal error flag				*/
#define	R_INVALID	0x81	/* 129 Invalid operation			*/
#define	R_ILLEGAL	0x82	/* 130 Illegal channel no. 			*/
#define	R_NO_CONF	0x83	/* 131 Channel not configured 		*/
#define	R_UNUSED	0x84	/* 132 Channel is configured unused	*/
#define	R_NO_OPEN	0x85	/* 133 Channel is not opened		*/
#define R_BUSY		0x87	/* 135 Channel is used by CSPTERM	*/
#define R_LIMIT		0x8d	/* 141 Response < R_LIMIT			*/
\f


#ifdef VPIX
#define AIOC    ('A'<<8)
#define AIOCINTTYPE     (AIOC|60)        /* set pseudorupt personality */
#define AIOCDOSMODE     (AIOC|61)        /* set DOSMODE */
#define AIOCNONDOSMODE  (AIOC|62)        /* reset DOSMODE */
#define AIOCSERIALOUT   (AIOC|63)        /* serial device data write */
#define AIOCSERIALIN    (AIOC|64)        /* serial device data read */
#define AIOCSETSS       (AIOC|65)        /* set start/stop chars */
#define AIOCINFO        (AIOC|66)        /* tell user what device we are */
#endif /* VPIX */