FreeBSD/Linux Kernel Cross Reference
sys/dev/gpib/rdreg.h

     /*      $NetBSD: rdreg.h,v 1.3 2003/11/02 10:31:06 wiz Exp $    */
     
     /*
      * Copyright (c) 1982, 1990, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
      * the Systems Programming Group of the University of Utah Computer
      * Science Department.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
     *
     *      @(#)rdreg.h     8.1 (Berkeley) 6/10/93
     */
    
    /*
     * Copyright (c) 1988 University of Utah.
     *
     * This code is derived from software contributed to Berkeley by
     * the Systems Programming Group of the University of Utah Computer
     * Science Department.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * from: Utah $Hdr: rdreg.h 1.2 90/10/12$
     *
     *      @(#)rdreg.h     8.1 (Berkeley) 6/10/93
     */
    
    struct  rd_iocmd {
            u_int8_t        c_pad;          /* alignment */
            u_int8_t        c_unit;         /* punit */
            u_int8_t        c_volume;       /* CS80CMD_SVOL(0) */
            u_int8_t        c_saddr;        /* CS80CMD_SADDR */
            u_int16_t       c_hiaddr;       /* always 0 */
            u_int32_t       c_addr;         /* blkno */
            u_int8_t        c_nop2;         /* CS80CMD_NOP - 32-bit alignment */
            u_int8_t        c_slen;         /* CS80CMD_SLEN */
            u_int32_t       c_len;          /* number of sectors */
            u_int8_t        c_cmd;          /* CS80CMD_READ/CS80CMD_WRITE */
    } __attribute__((__packed__));
    
    struct  rd_rscmd {              /* different */
            u_int8_t        c_unit;
            u_int8_t        c_sram;
            u_int8_t        c_ram;
            u_int8_t        c_cmd;
    } __attribute__((__packed__));
    
   /* HW ids */
   #define RD7946AID       0x220   /* also 7945A */
   #define RD9134DID       0x221   /* also 9122S */
   #define RD9134LID       0x222   /* also 9122D */
   #define RD7912PID       0x209
   #define RD7914CTID      0x20A
   #define RD7914PID       0x20B
   #define RD7958AID       0x22B
   #define RD7957AID       0x22A
   #define RD7933HID       0x212
   #define RD7936HID       0x213   /* just guessing -- as of yet unknown */
   #define RD7937HID       0x214
   #define RD7957BID       0x22C   /* another guess based on 7958B */
   #define RD7958BID       0x22D
   #define RD7959BID       0x22E   /* another guess based on 7958B */
   #define RD2200AID       0x22F
   #define RD2203AID       0x230   /* yet another guess */
   
   /* SW ids -- indicies into rdidentinfo, order is arbitrary */
   #define RD7945A         0
   #define RD9134D         1
   #define RD9122S         2
   #define RD7912P         3
   #define RD7914P         4
   #define RD7958A         5
   #define RD7957A         6
   #define RD7933H         7
   #define RD9134L         8
   #define RD7936H         9
   #define RD7937H         10
   #define RD7914CT        11
   #define RD7946A         12
   #define RD9122D         13
   #define RD7957B         14
   #define RD7958B         15
   #define RD7959B         16
   
   #define NRD7945ABPT     16
   #define NRD7945ATRK     7
   #define NRD9134DBPT     16
   #define NRD9134DTRK     6
   #define NRD9122SBPT     8
   #define NRD9122STRK     2
   #define NRD7912PBPT     32
   #define NRD7912PTRK     7
   #define NRD7914PBPT     32
   #define NRD7914PTRK     7
   #define NRD7933HBPT     46
   #define NRD7933HTRK     13
   #define NRD9134LBPT     16
   #define NRD9134LTRK     5
   
   /*
    * Several HP drives have an odd number of 256 byte sectors per track.
    * This makes it rather difficult to break them into 512 and 1024 byte blocks.
    * So...we just do like HPUX and don't bother to respect hardware track/head
    * boundaries -- we just mold the disk so that we use the entire capacity.
    * HPUX also sometimes doesn't abide by cylinder boundaries, we attempt to
    * whenever possible.
    *
    * DISK         REAL (256 BPS)          HPUX (1024 BPS)         BSD (512 BPS)
    *              SPT x HD x CYL          SPT x HD x CYL          SPT x HD x CYL
    * -----        ---------------         ---------------         --------------
    * 7936:        123 x  7 x 1396          25 x  7 x 1716         123 x  7 x  698
    * 7937:        123 x 13 x 1396          25 x 16 x 1395         123 x 13 x  698
    *
    * 7957A:        63 x  5 x 1013          11 x  7 x 1036          22 x  7 x 1036
    * 7958A:        63 x  8 x 1013          21 x  6 x 1013          36 x  7 x 1013
    *
    * 7957B:        63 x  4 x 1269           9 x  7 x 1269          18 x  7 x 1269
    * 7958B:        63 x  6 x 1572          21 x  9 x  786          42 x  9 x  786
    * 7959B:        63 x 12 x 1572          21 x  9 x 1572          42 x  9 x 1572
    *
    * 2200A:       113 x  8 x 1449         113 x  2 x 1449         113 x  4 x 1449
    * 2203A:       113 x 16 x 1449         113 x  4 x 1449         113 x  8 x 1449
    */
   #define NRD7936HBPT     123
   #define NRD7936HTRK     7
   #define NRD7937HBPT     123
   #define NRD7937HTRK     13
   #define NRD7957ABPT     22
   #define NRD7957ATRK     7
   #define NRD7958ABPT     36
   #define NRD7958ATRK     7
   #define NRD7957BBPT     18
   #define NRD7957BTRK     7
   #define NRD7958BBPT     42
   #define NRD7958BTRK     9
   #define NRD7959BBPT     42
   #define NRD7959BTRK     9
   #define NRD2200ABPT     113
   #define NRD2200ATRK     4
   #define NRD2203ABPT     113
   #define NRD2203ATRK     8
   
   /* convert 512 byte count into DEV_BSIZE count */
   #define RDSZ(x)         ((x) >> (DEV_BSHIFT-9))
   
   /* convert block number into sector number and back */
   #define RDBTOS(x)       ((x) << (DEV_BSHIFT-8))
   #define RDSTOB(x)       ((x) >> (DEV_BSHIFT-8))
   
   /* extract cyl/head/sect info from three-vector address */
   #define RDCYL(tva)      ((u_int32_t)(tva).cu_cyhd >> 8)
   #define RDHEAD(tva)     ((tva).cu_cyhd & 0xFF)
   #define RDSECT(tva)     ((tva).cu_sect)

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