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Annotation of Net2/arch/vax/if/if_hy.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Tektronix Inc.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)if_hy.h     7.4 (Berkeley) 6/28/90
        !            37:  */
        !            38: 
        !            39: /*
        !            40:  * 4.2 BSD Unix Kernel - Vax Network Interface Support
        !            41:  *
        !            42:  * $Header: if_hy.h,v 10.0 84/06/30 19:51:21 steveg Stable $
        !            43:  * $Locker:  $
        !            44:  *
        !            45:  * Modifications from Berkeley 4.2 BSD
        !            46:  * Copyright (c) 1983, Tektronix Inc.
        !            47:  * All Rights Reserved
        !            48:  *
        !            49:  *
        !            50:  * $Log:       if_hy.h,v $
        !            51:  *     Revision 10.0  84/06/30  19:51:21  steveg
        !            52:  *     Big Build
        !            53:  *     
        !            54:  *     Revision 3.13  84/05/30  19:40:58  steveg
        !            55:  *     update hy_stat to reflect new microcode
        !            56:  *     
        !            57:  *     Revision 3.12  84/05/30  19:06:57  steveg
        !            58:  *     move driver state number definition here from if_hy.c
        !            59:  *     
        !            60:  *     Revision 3.11  84/05/30  18:56:15  steveg
        !            61:  *     add definition of HYE_MAX and HYE_SIZE
        !            62:  *     
        !            63:  *     Revision 3.10  84/05/30  17:14:04  steveg
        !            64:  *     add hyl_filter
        !            65:  *     
        !            66:  *     Revision 3.9  84/05/30  13:45:24  steveg
        !            67:  *     rework logging
        !            68:  *     
        !            69:  *     Revision 3.8  84/05/04  05:18:59  steveg
        !            70:  *     hyr_key now a u_long
        !            71:  *     
        !            72:  *     Revision 3.7  84/05/01  22:45:20  steveg
        !            73:  *     add H_RLOOPBK for A710 remote end loopback command
        !            74:  *     
        !            75:  *
        !            76:  */
        !            77: 
        !            78: 
        !            79: /*
        !            80:  * Structure of a HYPERchannel adapter header
        !            81:  */
        !            82: struct hy_hdr {
        !            83:        short   hyh_ctl;                /* control */
        !            84:        short   hyh_access;             /* access code */
        !            85:        union {
        !            86:                short   hyh_addr;
        !            87:                char    hyh_baddr[2];
        !            88:        } hyh_uto, hyh_ufrom;           /* to/from address */
        !            89:        short   hyh_param;              /* parameter word */
        !            90:        short   hyh_type;               /* record type */
        !            91: };
        !            92: 
        !            93: 
        !            94: #define hyh_to         hyh_uto.hyh_addr
        !            95: #define hyh_to_port    hyh_uto.hyh_baddr[1]
        !            96: #define hyh_to_adapter hyh_uto.hyh_baddr[0]
        !            97: 
        !            98: #define hyh_from       hyh_ufrom.hyh_addr
        !            99: #define hyh_from_port  hyh_ufrom.hyh_baddr[1]
        !           100: #define hyh_from_adapter hyh_ufrom.hyh_baddr[0]
        !           101: 
        !           102: /*
        !           103:  * Structure of a HYPERchannel message header (from software)
        !           104:  */
        !           105: struct hym_hdr {
        !           106:        struct {
        !           107:                short   hymd_mplen;     /* message proper len, if associated data */
        !           108:        } hym_d;
        !           109:        struct  hy_hdr hym_h;   /* hardware header, MUST BE LAST */
        !           110: };
        !           111: 
        !           112: #define hym_mplen      hym_d.hymd_mplen
        !           113: 
        !           114: #define hym_ctl                hym_h.hyh_ctl
        !           115: #define hym_access     hym_h.hyh_access
        !           116: #define hym_param      hym_h.hyh_param
        !           117: #define hym_type       hym_h.hyh_type
        !           118: 
        !           119: #define hym_to         hym_h.hyh_to
        !           120: #define hym_to_port    hym_h.hyh_to_port
        !           121: #define hym_to_adapter hym_h.hyh_to_adapter
        !           122: 
        !           123: #define hym_from       hym_h.hyh_from
        !           124: #define hym_from_port  hym_h.hyh_from_port
        !           125: #define hym_from_adapter hym_h.hyh_from_adapter
        !           126: 
        !           127: #define HYM_SWLEN (sizeof(struct hym_hdr) - sizeof(struct hy_hdr))
        !           128: 
        !           129: /*
        !           130:  * HYPERchannel header word control bits
        !           131:  */
        !           132: #define H_XTRUNKS      0x00F0  /* transmit trunks */
        !           133: #define H_RTRUNKS      0x000F  /* remote trunks to transmit on for loopback */
        !           134: #define H_ASSOC                0x0100  /* has associated data */
        !           135: #define H_LOOPBK       0x00FF  /* loopback command */
        !           136: #define H_RLOOPBK      0x008F  /* A710 remote loopback command */
        !           137: 
        !           138: /*
        !           139:  * Hyperchannel record types
        !           140:  */
        !           141: #define HYLINK_IP      0       /* Internet Protocol Packet */
        !           142: 
        !           143: /*
        !           144:  * Routing database
        !           145:  */
        !           146: #define HYRSIZE  37    /* max number of adapters in routing tables */
        !           147: 
        !           148: struct hy_route {
        !           149:        time_t hyr_lasttime;            /* last update time */
        !           150:        u_char hyr_gateway[256];
        !           151:        struct hyr_hash {
        !           152:                u_long  hyr_key;        /* desired address */
        !           153:                u_short hyr_flags;      /* status flags - see below */
        !           154:                u_short hyr_size;       /* number of entries */
        !           155:                union {
        !           156:                        /*
        !           157:                         * direct entry (can get there directly)
        !           158:                         */
        !           159:                        struct {
        !           160:                                u_short hyru_dst;       /* adapter number & port */
        !           161:                                u_short hyru_ctl;       /* trunks to try */
        !           162:                                u_short hyru_access;    /* access code (mostly unused) */
        !           163:                        } hyr_d;
        !           164: #define hyr_dst                hyr_u.hyr_d.hyru_dst
        !           165: #define hyr_ctl                hyr_u.hyr_d.hyru_ctl
        !           166: #define hyr_access     hyr_u.hyr_d.hyru_access
        !           167:                        /*
        !           168:                         * indirect entry (one or more hops required)
        !           169:                         */
        !           170:                        struct {
        !           171:                                u_char hyru_pgate;      /* 1st gateway slot */
        !           172:                                u_char hyru_egate;      /* # gateways */
        !           173:                                u_char hyru_nextgate;   /* gateway to use next */
        !           174:                        } hyr_i;
        !           175: #define hyr_pgate      hyr_u.hyr_i.hyru_pgate
        !           176: #define hyr_egate      hyr_u.hyr_i.hyru_egate
        !           177: #define hyr_nextgate   hyr_u.hyr_i.hyru_nextgate
        !           178:                } hyr_u;
        !           179:        } hyr_hash[HYRSIZE];
        !           180: };
        !           181: 
        !           182: /*
        !           183:  * routing table set/get structure
        !           184:  *
        !           185:  * used to just pass the entire routing table through, but 4.2 ioctls
        !           186:  * limit the data part of an ioctl to 128 bytes or so and use the
        !           187:  * interface name to get things sent the right place.
        !           188:  * see ../net/if.h for additional details.
        !           189:  */
        !           190: struct hyrsetget {
        !           191:        char    hyrsg_name[IFNAMSIZ];   /* if name, e.g. "hy0" */
        !           192:        struct hy_route *hyrsg_ptr;     /* pointer to routing table */
        !           193:        unsigned        hyrsg_len;      /* size of routing table provided */
        !           194: };
        !           195: 
        !           196: #define HYR_INUSE      0x01    /* entry in use */
        !           197: #define HYR_DIR                0x02    /* direct entry */
        !           198: #define HYR_GATE       0x04    /* gateway entry */
        !           199: #define HYR_LOOP       0x08    /* hardware loopback entry */
        !           200: #define HYR_RLOOP      0x10    /* remote adapter hardware loopback entry */
        !           201: 
        !           202: #define HYRHASH(x) (((x) ^ ((x) >> 16)) % HYRSIZE)
        !           203: 
        !           204: #define HYSETROUTE     _IOW('i', 0x80, struct hyrsetget)
        !           205: #define HYGETROUTE     _IOW('i', 0x81, struct hyrsetget)
        !           206: 
        !           207: struct hylsetget {
        !           208:        char    hylsg_name[IFNAMSIZ];   /* if name, e.g. "hy0" */
        !           209:        int     hylsg_cmd;              /* logging command */
        !           210:        caddr_t hylsg_ptr;              /* pointer to table */
        !           211:        u_long  hylsg_len;              /* size of table provided */
        !           212: };     
        !           213: 
        !           214: #define HYSETLOG       _IOW('i', 0x82, struct hylsetget)
        !           215: #define HYGETLOG       _IOW('i', 0x83, struct hylsetget)
        !           216: #define HYGETELOG      _IOW('i', 0x84, struct hylsetget)
        !           217: 
        !           218: /*
        !           219:  * Structure of Statistics Record (counters)
        !           220:  */
        !           221: struct hy_stat {
        !           222:        u_char  hyc_df0[3];             /* # data frames trunk 0 */
        !           223:        u_char  hyc_df1[3];             /* # data frames trunk 1 */
        !           224:        u_char  hyc_df2[3];             /* # data frames trunk 2 */
        !           225:        u_char  hyc_df3[3];             /* # data frames trunk 3 */
        !           226:        u_char  hyc_cancel[2];          /* # cancel operations */
        !           227:        u_char  hyc_abort[2];           /* # aborts */
        !           228:        u_char  hyc_ret0[3];            /* # retransmissions trunk 0 */
        !           229:        u_char  hyc_ret1[3];            /* # retransmissions trunk 1 */
        !           230:        u_char  hyc_ret2[3];            /* # retransmissions trunk 2 */
        !           231:        u_char  hyc_ret3[3];            /* # retransmissions trunk 3 */
        !           232:        u_char  hyc_atype[3];           /* adapter type and revision level */
        !           233:        u_char  hyc_uaddr;              /* adapter unit number */
        !           234: };
        !           235: 
        !           236: /*
        !           237:  * Structure of the Status Record
        !           238:  */
        !           239: struct hy_status {
        !           240:        u_char  hys_gen_status;         /* general status byte */
        !           241:        u_char  hys_last_fcn;           /* last function code issued */
        !           242:        u_char  hys_resp_trunk;         /* trunk response byte */
        !           243:        u_char  hys_status_trunk;       /* trunk status byte */
        !           244:        u_char  hys_recd_resp;          /* recieved response byte */
        !           245:        u_char  hys_error;              /* error code */
        !           246:        u_char  hys_caddr;              /* compressed addr of 1st msg on chain */
        !           247:        u_char  hys_pad;                /* not used */
        !           248: };
        !           249: 
        !           250: /*
        !           251:  * Get port number from status record
        !           252:  */
        !           253: #define PORTNUM(p)     (((p)->hys_gen_status >> 6) & 0x03)
        !           254: 
        !           255: #define HYL_SIZE 16*1024
        !           256: struct hy_log {
        !           257:        struct  hy_log *hyl_self;
        !           258:        u_char  hyl_enable;             /* logging enabled? */
        !           259:        u_char  hyl_onerr;              /* state to enter on error */
        !           260:        u_short hyl_wait;               /* number of bytes till next wakeup */
        !           261:        u_short hyl_count;              /* number of samples till stop */
        !           262:        u_short hyl_icount;             /* initial value of hyl_count */
        !           263:        u_long  hyl_filter;             /* log items with specific bits set */
        !           264:        u_char  *hyl_eptr;              /* &hy_log.hyl_buf[HYL_SIZE] */
        !           265:        u_char  *hyl_ptr;               /* pointer into hyl_buf */
        !           266:        u_char  hyl_buf[HYL_SIZE];      /* log buffer space */
        !           267: };
        !           268: 
        !           269: #define HYL_NOP                0
        !           270: #define HYL_UP         1       /* markup */
        !           271: #define HYL_STATUS     2       /* status results (struct hy_status) */
        !           272: #define HYL_STATISTICS 3       /* statistics (struct hy_stat) */
        !           273: #define HYL_XMIT       4       /* packed being send (struct hym_hdr) */
        !           274: #define HYL_RECV       5       /* recieved pkt (short len; struct hym_hdr) */
        !           275: #define HYL_CMD                6       /* cmd issued (uchar cmd, state; short count) */
        !           276: #define HYL_INT                7       /* interrupt (short csr, wcr) */
        !           277: #define        HYL_CANCEL      8       /* cancel transmit attempt */
        !           278: #define        HYL_RESET       9       /* hyinit or unibus reset */
        !           279: #define        HYL_IOCTL       10      /* hyioctl */
        !           280: 
        !           281: #define HYL_DISABLED   0       /* logging disabled */
        !           282: #define HYL_CONTINUOUS 1       /* continuous logging */
        !           283: #define HYL_CATCHN     2       /* hyl_count transactions being captured */
        !           284: 
        !           285: /*
        !           286:  * error code histograms
        !           287:  */
        !           288: #define        HYE_MAX         0x18            /* maximum adapter error code */
        !           289: #define        HYE_BINS        4               /* number of command bins */
        !           290: #define        HYE_SIZE  (HYE_MAX+1)*HYE_BINS  /* size of histogram buffer */
        !           291: 
        !           292: /*
        !           293:  * Requests for service (in order by descending priority).
        !           294:  */
        !           295: #define RQ_ENDOP       001     /* end the last adapter function */
        !           296: #define RQ_REISSUE     002     /* reissue previous cmd after status */
        !           297: #define RQ_STATUS      004     /* get the status of the adapter */
        !           298: #define RQ_STATISTICS  010     /* get the statistics of the adapter */
        !           299: #define RQ_MARKDOWN    020     /* mark this adapter port down */
        !           300: #define RQ_MARKUP      040     /* mark this interface up */
        !           301: 
        !           302: #define RQ_XASSOC      0100    /* associated data to transmit */
        !           303: 
        !           304: /* 
        !           305:  * Driver states.
        !           306:  */
        !           307: #define        STARTUP         0       /* initial state (before fully there) */
        !           308: #define        IDLE            1       /* idle state */
        !           309: #define        STATSENT        2       /* status cmd sent to adapter */
        !           310: #define        ENDOPSENT       3       /* end operation cmd sent */
        !           311: #define        RECVSENT        4       /* input message cmd sent */
        !           312: #define        RECVDATASENT    5       /* input data cmd sent */
        !           313: #define        XMITSENT        6       /* transmit message cmd sent */
        !           314: #define        XMITDATASENT    7       /* transmit data cmd sent */
        !           315: #define        WAITING         8       /* waiting for messages */
        !           316: #define        CLEARSENT       9       /* clear wait for message cmd sent */
        !           317: #define MARKPORT       10      /* mark this host's adapter port down issued */
        !           318: #define RSTATSENT      11      /* read statistics cmd sent to adapter */
        !           319: 
        !           320: #ifdef HYLOG
        !           321: char *hy_state_names[] = {
        !           322:        "Startup",
        !           323:        "Idle",
        !           324:        "Status Sent",
        !           325:        "End op Sent",
        !           326:        "Recieve Message Proper Sent",
        !           327:        "Recieve Data Sent",
        !           328:        "Transmit Message Proper Sent",
        !           329:        "Transmit Data Sent",
        !           330:        "Wait for Message Sent",
        !           331:        "Clear Wait for Message Sent",
        !           332:        "Mark Port Down Sent",
        !           333:        "Read Statistics Sent"
        !           334: };
        !           335: #endif
        !           336: 

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