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Power 6/32 Unix version 1.21

#define	V_RESETTING	1		/* in the process of being reset */
#define	V_RESET		1		/* cause a vioc reset */
#define	V_TRP		2		/* cause a vioc trap */
#define	V_INTR		4		/* cause a vioc interrupt */
#define	V_ERR		0x80		/* generic error flag */
#define	V_BSY		0x80		/* generic busy flag */
#define	V_UNBSY		0x80		/* not busy for unsolicited interrupt */
#define	VCVECT		0x40		/* base vioc vector */

#define	VBAS(x)  ( (struct vblok *)(VIOCBAS[x]) )

#define	NVIOCX		NVX		/* # of viocx's-def by config in vx.h */
#define	NVXPORTS	16*NVIOCX	/* Total nbr of viocx terminal ports */
#define	NVCXBUFS	16*4		/* 4 bufs per port per viocx */
#define	VREADY		0x55		/* denotes no err in vioc self-init */
#define	PVIOCX		0x0A		/* old connector panel vioc-x */
#define	VIOCX		0x0B		/* new (modular) connect panel vioc-x */
#define	NPVIOCX		0x1A		/* new pviocx */
#define	NWVIOCX		0x1B		/* new viocx */
#define	VBOPID		0x5		/* Vioc-bop */

#include "vbsc.h"
#if NVBSC > 0
/*
 * VIOC-BSC controller definitions
 */
#define	VIOCB		0x0C
#define	NWVIOCB		0x1C
#define	BISYNC		0x1
#define	LPARAX1		0x060A
#define	MDMCTL1		0x1004
#define	HUNTMD1		0x0804
#endif

#define	V_NEW		1		/* NPVIOCX | NVIOCX */
#define	V_OLD		0		/* PVIOCX | VIOCX */

/*
 * Modem Control flags
 */
#define	VMOD_ON		1
#define	VMOD_OFF	0

#define	VRESPLEN	12
#define	VCMDLEN		64
#define	VC_IQLEN	64		/* Interrupt circular queue length */
#define	VC_CMDBUFL	NVCXBUFS	/* circular cmd (to exec) queue len*/

#define	SSPEED		13		/* standard speed 9600 bps */

#define	V_ENAB		0002		/* auto + DTR */
#define	V_DISAB		0000		/* auto + disable DTR */

#define	BRK_CHR		040
#define	DCD_ON		020
#define	DCD_OFF		010
#define	CTS_ON		004
#define	DSR_ON		0200		/* modem signal states for bisync */
#define	DSR_OFF		0100
#define	DSR_CHG		(DSR_ON | DSR_OFF)

#define	SILOBAS 0x800

/*
 * Command Operation Codes
 */
#define	LIDENT		0x0000		/* load ident, set int vectors */
#define	XMITDTA		0x0200		/* transmit */
#define	XMITIMM		0x0400		/* xmit immediate */
#define	FDTATOX		0x0300		/* flush data */
#define	LPARAX		0x0600		/* load params */
#define	SNDBRKX		0x0C00		/* send break to port */
#define	MDMCTL		0x1000		/* auto modem control */

#define	PERROR		0x40
#define	FERROR		0x80
#define	RCVOVRN		0xc0

/*
 * Data Structures
 */
struct	vblok	{			/* command sent to vioc  */
	char	v_vioc;			/*  0 type of interrupt+voic bsy flg */
	char	v_hdwre;		/*  1 trap, reset, or hard interrupt */
	char	v_vcbsy;		/*  2 command busy (set by host) */
	char	v_vcid;			/*  3 command id. */
	short	v_vcp[2];		/*  4 command pointer (sent by host) */
	short	v_unused;		/*  8 unused */
	short	v_rspoff;		/*  a offset into vblock for resp buf */
	char	v_ustat;		/*  c status */
	char	v_uqual;		/*  d qualifies the interrupt */
	char	v_usdata[0x3E];		/*  e unsolicited interrupt data */
	short	v_maxxmt;		/* 4C max xmit block size */
	short	v_maxsilo;		/* 4E max silo size */
	char	v_ident;		/* 50 identifies type of vioc */
	char	v_fault;		/* 51 fault or ready after reset */
	short	v_dcd;			/* 52 bit mask for carr detct by port */
	short	v_cts;			/* 54 bit mask for cts by port */
	short	v_dsr;			/* 56 bit mask for dsr by port */
	short	v_secrec;		/* 58 bit mask for secondary receive */
	short	v_badport;		/* 5a bit mask of failed ports */
	char	v_portyp[16];		/* 5c type of each port */
};

struct	vcmds	{
	int	v_cmdsem;		/* cmds waiting for itrque */
	int	v_curcnt;		/* count of cmds in itrque and exec'g */
	caddr_t	v_curcmd[VCMDLEN];	/* pointers to cmds being executed */
	int	v_fill;			/* circular fill index */
	int	v_empty;		/* circular empty index */
	caddr_t	cmdbuf[VC_CMDBUFL];	/* circular cmd (to exec) queue */
	int	v_itrfill;		/* circular intr issue queue fill */
	int	v_itrempt;		/* circular intr issue queue empty */
	short	v_itrqueu[VC_IQLEN];	/* circular intr issue queue */
};

struct	vxcmd	{
	struct	vxcmd	*c_fwd;
	short		cmd;
	char		par[58];	/* 64 total size */
};

struct	vxmit	{
	char		line;
	unsigned char	bcount;
	char		ostream[6];
};

/*
 * Should be sizeof(struct vxmit), but has alignment problems
 */
#define	sizvxmit 6

struct	vcx	{
	char		v_loport;	/* low port nbr */
	char		v_hiport;	/* high port nbr */
	short		v_nbr;		/* viocx number */
	short		v_maxcmd;	/* max number of concurrent cmds */
	short		v_silosiz;	/* silo size */
	short		v_vers;		/* vioc/pvioc version */
	struct	vxcmd	*vx_avail;
	struct	vxcmd	*vx_build;
	struct	vxcmd	vx_lst[NVCXBUFS];
	short		v_state;	/* state of the controller */
	short		v_brkreq;	/* send break requests pending */
	char		v_actflg;
	char		v_xmtcnt;
	char		v_actport[16];
	char		vx_type[16];	/* type of port */
};

#ifdef KERNEL
caddr_t VIOCBAS[NVIOCX];		/* base I/O addr */
int vxpanic;
#define	vpanic(x)	if (vxpanic) panic(x); else printf("%s\n", x)
#endif

/*
 * Stuff for testing; the following bits of test will cause the
 * following vpanics.  Thus, to test each case, patch vx_test to
 * the appropriate value and generate activity on the vioc.
 */
#define	VX_TESTING	0

#if VX_TESTING
#ifdef KERNEL
int	vx_test;			/* used to test vioc drive */
#endif
#define	VX_CMDRESP_DEBUG	0x01
#define	VX_UNSOL_INT_DEBUG	0x02
#define	VX_PROC_ERR_DEBUG	0x04
#define	VX_UQUAL_ERR_DEBUG	0x08
#define	VX_VSETQ_OVERFLOW_DEBUG	0x10
#endif

#define	isprinter(xp, d)	((xp)->vx_type[d] == 4)

/*
 * This stuff allows a user program to sense CD/CTS and set DTR/RTS.
 */
#define	VCMANUAL	_IO(v, 1)	/* provide direct control of signals */
#define	VCGRS232	_IO(v, 2)	/* set signals */
#define	VCSRS232	_IO(v, 3)	/* get signals */

/*
 * Flags to VCMANUAL.
 */
#define	VC_ON		1
#define	VC_OFF		0

/*
 * Signals which may be set.
 */
#define	VC_RTS		0x01
#define	VC_DTR		0x02

/*
 * Signals which may only be tested.
 */
#define	VC_DCD		0x04
#define	VC_CTS		0x08

#define	VC_MASK		0x0f		/* bits the user can set/look at */
#define	VC_MANUAL	0x10		/* indicates we're in manual mode */

/*
 * Bits in VIOC common memory.
 */
#define	V_AUTO	0x00	/* auto mode */
#define	V_MANUAL 0x80	/* manual */
#define	V_DTR	0x02	/* DTR */
#define	V_RTS	0x01	/* RTS */

#define	CTS_OFF	002

/*
 * Stuff for taking a vioc memory dump.
 */
#define	VIOCMEMSIZ	(16*1024)
#define	VIOCDMAGIC	0xfa34

struct viocdump {
	time_t	vxtime;		/* time stamp */
	short	vxn;		/* vioc number */
	u_short	vxmagic;	/* VIOCDMAGIC if we have a valid dump */
	long	vxcore[VIOCMEMSIZ / sizeof(long)]; /* actual dump */
};

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