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Annotation of 43BSD/sys/vaxif/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.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)if_hy.h     7.1 (Berkeley) 6/5/86
        !             7:  */
        !             8: 
        !             9: /*
        !            10:  * 4.2 BSD Unix Kernel - Vax Network Interface Support
        !            11:  *
        !            12:  * $Header: if_hy.h,v 10.0 84/06/30 19:51:21 steveg Stable $
        !            13:  * $Locker:  $
        !            14:  *
        !            15:  * Modifications from Berkeley 4.2 BSD
        !            16:  * Copyright (c) 1983, Tektronix Inc.
        !            17:  * All Rights Reserved
        !            18:  *
        !            19:  *
        !            20:  * $Log:       if_hy.h,v $
        !            21:  *     Revision 10.0  84/06/30  19:51:21  steveg
        !            22:  *     Big Build
        !            23:  *     
        !            24:  *     Revision 3.13  84/05/30  19:40:58  steveg
        !            25:  *     update hy_stat to reflect new microcode
        !            26:  *     
        !            27:  *     Revision 3.12  84/05/30  19:06:57  steveg
        !            28:  *     move driver state number definition here from if_hy.c
        !            29:  *     
        !            30:  *     Revision 3.11  84/05/30  18:56:15  steveg
        !            31:  *     add definition of HYE_MAX and HYE_SIZE
        !            32:  *     
        !            33:  *     Revision 3.10  84/05/30  17:14:04  steveg
        !            34:  *     add hyl_filter
        !            35:  *     
        !            36:  *     Revision 3.9  84/05/30  13:45:24  steveg
        !            37:  *     rework logging
        !            38:  *     
        !            39:  *     Revision 3.8  84/05/04  05:18:59  steveg
        !            40:  *     hyr_key now a u_long
        !            41:  *     
        !            42:  *     Revision 3.7  84/05/01  22:45:20  steveg
        !            43:  *     add H_RLOOPBK for A710 remote end loopback command
        !            44:  *     
        !            45:  *
        !            46:  */
        !            47: 
        !            48: 
        !            49: /*
        !            50:  * Structure of a HYPERchannel adapter header
        !            51:  */
        !            52: struct hy_hdr {
        !            53:        short   hyh_ctl;                /* control */
        !            54:        short   hyh_access;             /* access code */
        !            55:        union {
        !            56:                short   hyh_addr;
        !            57:                char    hyh_baddr[2];
        !            58:        } hyh_uto, hyh_ufrom;           /* to/from address */
        !            59:        short   hyh_param;              /* parameter word */
        !            60:        short   hyh_type;               /* record type */
        !            61: };
        !            62: 
        !            63: 
        !            64: #define hyh_to         hyh_uto.hyh_addr
        !            65: #define hyh_to_port    hyh_uto.hyh_baddr[1]
        !            66: #define hyh_to_adapter hyh_uto.hyh_baddr[0]
        !            67: 
        !            68: #define hyh_from       hyh_ufrom.hyh_addr
        !            69: #define hyh_from_port  hyh_ufrom.hyh_baddr[1]
        !            70: #define hyh_from_adapter hyh_ufrom.hyh_baddr[0]
        !            71: 
        !            72: /*
        !            73:  * Structure of a HYPERchannel message header (from software)
        !            74:  */
        !            75: struct hym_hdr {
        !            76:        struct {
        !            77:                short   hymd_mplen;     /* message proper len, if associated data */
        !            78:        } hym_d;
        !            79:        struct  hy_hdr hym_h;   /* hardware header, MUST BE LAST */
        !            80: };
        !            81: 
        !            82: #define hym_mplen      hym_d.hymd_mplen
        !            83: 
        !            84: #define hym_ctl                hym_h.hyh_ctl
        !            85: #define hym_access     hym_h.hyh_access
        !            86: #define hym_param      hym_h.hyh_param
        !            87: #define hym_type       hym_h.hyh_type
        !            88: 
        !            89: #define hym_to         hym_h.hyh_to
        !            90: #define hym_to_port    hym_h.hyh_to_port
        !            91: #define hym_to_adapter hym_h.hyh_to_adapter
        !            92: 
        !            93: #define hym_from       hym_h.hyh_from
        !            94: #define hym_from_port  hym_h.hyh_from_port
        !            95: #define hym_from_adapter hym_h.hyh_from_adapter
        !            96: 
        !            97: #define HYM_SWLEN (sizeof(struct hym_hdr) - sizeof(struct hy_hdr))
        !            98: 
        !            99: /*
        !           100:  * HYPERchannel header word control bits
        !           101:  */
        !           102: #define H_XTRUNKS      0x00F0  /* transmit trunks */
        !           103: #define H_RTRUNKS      0x000F  /* remote trunks to transmit on for loopback */
        !           104: #define H_ASSOC                0x0100  /* has associated data */
        !           105: #define H_LOOPBK       0x00FF  /* loopback command */
        !           106: #define H_RLOOPBK      0x008F  /* A710 remote loopback command */
        !           107: 
        !           108: /*
        !           109:  * Hyperchannel record types
        !           110:  */
        !           111: #define HYLINK_IP      0       /* Internet Protocol Packet */
        !           112: 
        !           113: /*
        !           114:  * Routing database
        !           115:  */
        !           116: #define HYRSIZE  37    /* max number of adapters in routing tables */
        !           117: 
        !           118: struct hy_route {
        !           119:        time_t hyr_lasttime;            /* last update time */
        !           120:        u_char hyr_gateway[256];
        !           121:        struct hyr_hash {
        !           122:                u_long  hyr_key;        /* desired address */
        !           123:                u_short hyr_flags;      /* status flags - see below */
        !           124:                u_short hyr_size;       /* number of entries */
        !           125:                union {
        !           126:                        /*
        !           127:                         * direct entry (can get there directly)
        !           128:                         */
        !           129:                        struct {
        !           130:                                u_short hyru_dst;       /* adapter number & port */
        !           131:                                u_short hyru_ctl;       /* trunks to try */
        !           132:                                u_short hyru_access;    /* access code (mostly unused) */
        !           133:                        } hyr_d;
        !           134: #define hyr_dst                hyr_u.hyr_d.hyru_dst
        !           135: #define hyr_ctl                hyr_u.hyr_d.hyru_ctl
        !           136: #define hyr_access     hyr_u.hyr_d.hyru_access
        !           137:                        /*
        !           138:                         * indirect entry (one or more hops required)
        !           139:                         */
        !           140:                        struct {
        !           141:                                u_char hyru_pgate;      /* 1st gateway slot */
        !           142:                                u_char hyru_egate;      /* # gateways */
        !           143:                                u_char hyru_nextgate;   /* gateway to use next */
        !           144:                        } hyr_i;
        !           145: #define hyr_pgate      hyr_u.hyr_i.hyru_pgate
        !           146: #define hyr_egate      hyr_u.hyr_i.hyru_egate
        !           147: #define hyr_nextgate   hyr_u.hyr_i.hyru_nextgate
        !           148:                } hyr_u;
        !           149:        } hyr_hash[HYRSIZE];
        !           150: };
        !           151: 
        !           152: /*
        !           153:  * routing table set/get structure
        !           154:  *
        !           155:  * used to just pass the entire routing table through, but 4.2 ioctls
        !           156:  * limit the data part of an ioctl to 128 bytes or so and use the
        !           157:  * interface name to get things sent the right place.
        !           158:  * see ../net/if.h for additional details.
        !           159:  */
        !           160: struct hyrsetget {
        !           161:        char    hyrsg_name[IFNAMSIZ];   /* if name, e.g. "hy0" */
        !           162:        struct hy_route *hyrsg_ptr;     /* pointer to routing table */
        !           163:        unsigned        hyrsg_len;      /* size of routing table provided */
        !           164: };
        !           165: 
        !           166: #define HYR_INUSE      0x01    /* entry in use */
        !           167: #define HYR_DIR                0x02    /* direct entry */
        !           168: #define HYR_GATE       0x04    /* gateway entry */
        !           169: #define HYR_LOOP       0x08    /* hardware loopback entry */
        !           170: #define HYR_RLOOP      0x10    /* remote adapter hardware loopback entry */
        !           171: 
        !           172: #define HYRHASH(x) (((x) ^ ((x) >> 16)) % HYRSIZE)
        !           173: 
        !           174: #define HYSETROUTE     _IOW(i, 0x80, struct hyrsetget)
        !           175: #define HYGETROUTE     _IOW(i, 0x81, struct hyrsetget)
        !           176: 
        !           177: struct hylsetget {
        !           178:        char    hylsg_name[IFNAMSIZ];   /* if name, e.g. "hy0" */
        !           179:        int     hylsg_cmd;              /* logging command */
        !           180:        caddr_t hylsg_ptr;              /* pointer to table */
        !           181:        u_long  hylsg_len;              /* size of table provided */
        !           182: };     
        !           183: 
        !           184: #define HYSETLOG       _IOW(i, 0x82, struct hylsetget)
        !           185: #define HYGETLOG       _IOW(i, 0x83, struct hylsetget)
        !           186: #define HYGETELOG      _IOW(i, 0x84, struct hylsetget)
        !           187: 
        !           188: /*
        !           189:  * Structure of Statistics Record (counters)
        !           190:  */
        !           191: struct hy_stat {
        !           192:        u_char  hyc_df0[3];             /* # data frames trunk 0 */
        !           193:        u_char  hyc_df1[3];             /* # data frames trunk 1 */
        !           194:        u_char  hyc_df2[3];             /* # data frames trunk 2 */
        !           195:        u_char  hyc_df3[3];             /* # data frames trunk 3 */
        !           196:        u_char  hyc_cancel[2];          /* # cancel operations */
        !           197:        u_char  hyc_abort[2];           /* # aborts */
        !           198:        u_char  hyc_ret0[3];            /* # retransmissions trunk 0 */
        !           199:        u_char  hyc_ret1[3];            /* # retransmissions trunk 1 */
        !           200:        u_char  hyc_ret2[3];            /* # retransmissions trunk 2 */
        !           201:        u_char  hyc_ret3[3];            /* # retransmissions trunk 3 */
        !           202:        u_char  hyc_atype[3];           /* adapter type and revision level */
        !           203:        u_char  hyc_uaddr;              /* adapter unit number */
        !           204: };
        !           205: 
        !           206: /*
        !           207:  * Structure of the Status Record
        !           208:  */
        !           209: struct hy_status {
        !           210:        u_char  hys_gen_status;         /* general status byte */
        !           211:        u_char  hys_last_fcn;           /* last function code issued */
        !           212:        u_char  hys_resp_trunk;         /* trunk response byte */
        !           213:        u_char  hys_status_trunk;       /* trunk status byte */
        !           214:        u_char  hys_recd_resp;          /* recieved response byte */
        !           215:        u_char  hys_error;              /* error code */
        !           216:        u_char  hys_caddr;              /* compressed addr of 1st msg on chain */
        !           217:        u_char  hys_pad;                /* not used */
        !           218: };
        !           219: 
        !           220: /*
        !           221:  * Get port number from status record
        !           222:  */
        !           223: #define PORTNUM(p)     (((p)->hys_gen_status >> 6) & 0x03)
        !           224: 
        !           225: #define HYL_SIZE 16*1024
        !           226: struct hy_log {
        !           227:        struct  hy_log *hyl_self;
        !           228:        u_char  hyl_enable;             /* logging enabled? */
        !           229:        u_char  hyl_onerr;              /* state to enter on error */
        !           230:        u_short hyl_wait;               /* number of bytes till next wakeup */
        !           231:        u_short hyl_count;              /* number of samples till stop */
        !           232:        u_short hyl_icount;             /* initial value of hyl_count */
        !           233:        u_long  hyl_filter;             /* log items with specific bits set */
        !           234:        u_char  *hyl_eptr;              /* &hy_log.hyl_buf[HYL_SIZE] */
        !           235:        u_char  *hyl_ptr;               /* pointer into hyl_buf */
        !           236:        u_char  hyl_buf[HYL_SIZE];      /* log buffer space */
        !           237: };
        !           238: 
        !           239: #define HYL_NOP                0
        !           240: #define HYL_UP         1       /* markup */
        !           241: #define HYL_STATUS     2       /* status results (struct hy_status) */
        !           242: #define HYL_STATISTICS 3       /* statistics (struct hy_stat) */
        !           243: #define HYL_XMIT       4       /* packed being send (struct hym_hdr) */
        !           244: #define HYL_RECV       5       /* recieved pkt (short len; struct hym_hdr) */
        !           245: #define HYL_CMD                6       /* cmd issued (uchar cmd, state; short count) */
        !           246: #define HYL_INT                7       /* interrupt (short csr, wcr) */
        !           247: #define        HYL_CANCEL      8       /* cancel transmit attempt */
        !           248: #define        HYL_RESET       9       /* hyinit or unibus reset */
        !           249: #define        HYL_IOCTL       10      /* hyioctl */
        !           250: 
        !           251: #define HYL_DISABLED   0       /* logging disabled */
        !           252: #define HYL_CONTINUOUS 1       /* continuous logging */
        !           253: #define HYL_CATCHN     2       /* hyl_count transactions being captured */
        !           254: 
        !           255: /*
        !           256:  * error code histograms
        !           257:  */
        !           258: #define        HYE_MAX         0x18            /* maximum adapter error code */
        !           259: #define        HYE_BINS        4               /* number of command bins */
        !           260: #define        HYE_SIZE  (HYE_MAX+1)*HYE_BINS  /* size of histogram buffer */
        !           261: 
        !           262: /*
        !           263:  * Requests for service (in order by descending priority).
        !           264:  */
        !           265: #define RQ_ENDOP       001     /* end the last adapter function */
        !           266: #define RQ_REISSUE     002     /* reissue previous cmd after status */
        !           267: #define RQ_STATUS      004     /* get the status of the adapter */
        !           268: #define RQ_STATISTICS  010     /* get the statistics of the adapter */
        !           269: #define RQ_MARKDOWN    020     /* mark this adapter port down */
        !           270: #define RQ_MARKUP      040     /* mark this interface up */
        !           271: 
        !           272: #define RQ_XASSOC      0100    /* associated data to transmit */
        !           273: 
        !           274: /* 
        !           275:  * Driver states.
        !           276:  */
        !           277: #define        STARTUP         0       /* initial state (before fully there) */
        !           278: #define        IDLE            1       /* idle state */
        !           279: #define        STATSENT        2       /* status cmd sent to adapter */
        !           280: #define        ENDOPSENT       3       /* end operation cmd sent */
        !           281: #define        RECVSENT        4       /* input message cmd sent */
        !           282: #define        RECVDATASENT    5       /* input data cmd sent */
        !           283: #define        XMITSENT        6       /* transmit message cmd sent */
        !           284: #define        XMITDATASENT    7       /* transmit data cmd sent */
        !           285: #define        WAITING         8       /* waiting for messages */
        !           286: #define        CLEARSENT       9       /* clear wait for message cmd sent */
        !           287: #define MARKPORT       10      /* mark this host's adapter port down issued */
        !           288: #define RSTATSENT      11      /* read statistics cmd sent to adapter */
        !           289: 
        !           290: #ifdef HYLOG
        !           291: char *hy_state_names[] = {
        !           292:        "Startup",
        !           293:        "Idle",
        !           294:        "Status Sent",
        !           295:        "End op Sent",
        !           296:        "Recieve Message Proper Sent",
        !           297:        "Recieve Data Sent",
        !           298:        "Transmit Message Proper Sent",
        !           299:        "Transmit Data Sent",
        !           300:        "Wait for Message Sent",
        !           301:        "Clear Wait for Message Sent",
        !           302:        "Mark Port Down Sent",
        !           303:        "Read Statistics Sent"
        !           304: };
        !           305: #endif
        !           306: 

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