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Annotation of sys/arch/mvme68k/dev/vsvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: vsvar.h,v 1.6 2004/07/30 22:29:45 miod Exp $ */
                      2: /*
                      3:  * Copyright (c) 1999 Steve Murphree, Jr.
                      4:  * Copyright (c) 1990 The Regents of the University of California.
                      5:  * All rights reserved.
                      6:  *
                      7:  * This code is derived from software contributed to Berkeley by
                      8:  * Van Jacobson of Lawrence Berkeley Laboratory.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. Neither the name of the University nor the names of its contributors
                     19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  */
                     34: #ifndef _VSVAR_H_
                     35: #define _VSVAR_H_
                     36:
                     37: /*
                     38:  * The largest single request will be MAXPHYS bytes which will require
                     39:  * at most MAXPHYS/NBPG+1 chain elements to describe, i.e. if none of
                     40:  * the buffer pages are physically contiguous (MAXPHYS/NBPG) and the
                     41:  * buffer is not page aligned (+1).
                     42:  */
                     43: #define        DMAMAXIO        (MAXPHYS/NBPG+1)
                     44: #define  LO(x) (u_short)((unsigned long)x & 0x0000FFFF)
                     45: #define  HI(x) (u_short)((unsigned long)x >> 16)
                     46: #define  OFF(x) (u_short)((long)kvtop((vaddr_t)x) - (long)kvtop((vaddr_t)sc->sc_vsreg))
                     47:
                     48: struct vs_tinfo {
                     49:        int     cmds;           /* #commands processed */
                     50:        int     dconns;         /* #disconnects */
                     51:        int     touts;          /* #timeouts */
                     52:        int     perrs;          /* #parity errors */
                     53:        int     senses;         /* #request sense commands sent */
                     54:        ushort  lubusy;         /* What local units/subr. are busy? */
                     55:        u_char  flags;
                     56:        u_char  period;         /* Period suggestion */
                     57:        u_char  offset;         /* Offset suggestion */
                     58:    int   avail;      /* Is there a device there */
                     59: } tinfo_t;
                     60:
                     61: struct vs_softc {
                     62:        struct  device sc_dev;
                     63:        struct  intrhand sc_ih_e, sc_ih_n;
                     64:        char    sc_intrname_e[16 + 4];
                     65:        u_short  sc_ipl;
                     66:    u_short  sc_evec;
                     67:    u_short  sc_nvec;
                     68:        struct  scsi_link sc_link;      /* proto for sub devices */
                     69:        u_long  sc_chnl;                         /* channel 0 or 1 for dual bus cards */
                     70:        u_long  sc_qhp;                  /* Command queue head pointer */
                     71:        struct   vsreg  *sc_vsreg;
                     72: #define SIOP_NACB 8
                     73:        struct vs_tinfo sc_tinfo[8];
                     74:        u_char  sc_flags;
                     75:        u_char  sc_sien;
                     76:        u_char  sc_dien;
                     77:        u_char  sc_minsync;
                     78:    struct map *hus_map;
                     79:        /* one for each target */
                     80:        struct syncpar {
                     81:                u_char state;
                     82:                u_char sxfer;
                     83:                u_char sbcl;
                     84:        } sc_sync[8];
                     85: };
                     86:
                     87: /* sync states */
                     88: #define SYNC_START     0       /* no sync handshake started */
                     89: #define SYNC_SENT      1       /* we sent sync request, no answer yet */
                     90: #define SYNC_DONE      2       /* target accepted our (or inferior) settings,
                     91:                                   or it rejected the request and we stay async */
                     92:
                     93: #define IOPB_SCSI    0x20
                     94: #define IOPB_RESET   0x22
                     95: #define IOPB_INIT    0x41
                     96: #define IOPB_WQINIT  0x42
                     97: #define IOPB_DEV_RESET   0x4D
                     98:
                     99: #define OPT_INTEN    0x0001
                    100: #define OPT_INTDIS   0x0000
                    101: #define OPT_SG       0x0002
                    102: #define OPT_SST      0x0004
                    103: #define OPT_SIT      0x0040
                    104: #define OPT_READ     0x0000
                    105: #define OPT_WRITE    0x0100
                    106:
                    107: #define AM_S32       0x01
                    108: #define AM_S16       0x05
                    109: #define AM_16        0x0100
                    110: #define AM_32        0x0200
                    111: #define AM_SHORT     0x0300
                    112: #define AM_NORMAL    0x0000
                    113: #define AM_BLOCK     0x0400
                    114: #define AM_D64BLOCK  0x0C00
                    115:
                    116: #define WQO_AE             0x0001   /* abort enable bit */
                    117: #define WQO_FOE            0x0004   /* freeze on error */
                    118: #define WQO_PE             0x0008   /* parity enable bit */
                    119: #define WQO_ARE            0x0010   /* autosense recovery enable bit */
                    120: #define WQO_RFWQ           0x0020   /* report frozen work queue bit */
                    121: #define WQO_INIT           0x8000   /* work queue init bit */
                    122:
                    123: void vs_minphys(struct buf *bp);
                    124: int vs_scsicmd(struct scsi_xfer *);
                    125:
                    126: #endif /* _M328VAR_H */