FreeBSD/Linux Kernel Cross Reference
sys/cam/ctl/ctl_ser_table.c

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2003 Silicon Graphics International Corp.
      * All rights reserved.
      *
      * 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,
     *    without modification.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    substantially similar to the "NO WARRANTY" disclaimer below
     *    ("Disclaimer") and any redistribution must be conditioned upon
     *    including a substantially similar Disclaimer requirement for further
     *    binary redistribution.
     *
     * NO WARRANTY
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
     * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
     *
     * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_ser_table.c#1 $
     * $FreeBSD$
     */
    
    /*
     * CAM Target Layer command serialization table.
     *
     * Author: Kim Le
     */
    
    /****************************************************************************/
    /* TABLE       ctlSerTbl                                                    */
    /*                                                                          */
    /*  The matrix which drives the serialization algorithm. The major index    */
    /*  (the first, row) into this table is the new command.  The minor index   */
    /*  (column) is the older, possibly already running, command.               */
    /*                                                                          */
    /*  Whenever a new value is added to the IDX_T type, this matrix must be    */
    /*  expanded by one row AND one column -- Because of this, some effort      */
    /*  should be made to re-use the indexes whenever possible.                 */
    /*                                                                          */
    /****************************************************************************/
    
    #define pS      CTL_SER_PASS            /* Pass */
    #define bK      CTL_SER_BLOCK           /* Blocked */
    #define bO      CTL_SER_BLOCKOPT        /* Optional block */
    #define xT      CTL_SER_EXTENT          /* Extent check */
    #define xO      CTL_SER_EXTENTOPT       /* Optional extent check */
    #define xS      CTL_SER_SEQ             /* Sequential check */
    
    const static uint8_t
    ctl_serialize_table[CTL_SERIDX_COUNT][CTL_SERIDX_COUNT] = {
    /**>IDX_ :: 2nd:TUR RD  WRT UNM SYN MDSN MDSL RQSN INQ RDCP RES LSNS FMT STR*/
    /*TUR     */{   pS, pS, pS, pS, pS, bK,  bK,  pS,  pS, pS,  bK, pS,  pS, bK},
    /*READ    */{   pS, xS, xT, xO, pS, bK,  bK,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*WRITE   */{   pS, xT, xT, xO, pS, bK,  bK,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*UNMAP   */{   pS, bO, bO, pS, pS, bK,  bK,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*SYNC    */{   pS, pS, bO, pS, pS, bK,  bK,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*MD_SNS  */{   bK, bK, bK, bK, bK, pS,  bK,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*MD_SEL  */{   bK, bK, bK, bK, bK, bK,  bK,  pS,  pS, pS,  bK, bK,  bK, bK},
    /*RQ_SNS  */{   bK, bK, bK, bK, bK, bK,  bK,  bK,  bK, bK,  bK, bK,  pS, bK},
    /*INQ     */{   pS, pS, pS, pS, pS, pS,  pS,  pS,  pS, pS,  pS, pS,  pS, pS},
    /*RD_CAP  */{   pS, pS, pS, pS, pS, pS,  pS,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*RES     */{   bK, bK, bK, bK, bK, bK,  bK,  bK,  pS, pS,  bK, bK,  bK, bK},
    /*LOG_SNS */{   pS, pS, pS, pS, pS, pS,  pS,  pS,  pS, pS,  bK, pS,  bK, bK},
    /*FORMAT  */{   bK, bK, bK, bK, bK, bK,  bK,  bK,  bK, bK,  bK, bK,  bK, bK},
    /*START   */{   bK, bK, bK, bK, bK, bK,  bK,  bK,  bK, pS,  bK, bK,  bK, bK},
    };
    

Cache object: 8b51d5c65089dfa6f1259fd6292fc068