/*- * 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) into this table is the command being checked and the minor */ /* index is the command against which the first command is being checked. */ /* i.e., the major index (row) command is ahead of the minor index command */ /* (column) in the queue. This allows the code to optimize by capturing */ /* the result of the first indexing operation into a pointer. */ /* */ /* 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 sK CTL_SER_SKIP /* Skip */ #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_EXTENTSEQ /* Sequential extent check */ static ctl_serialize_action ctl_serialize_table[CTL_SERIDX_COUNT][CTL_SERIDX_COUNT] = { /**>IDX_ :: 2nd:TUR RD WRT UNM MDSN MDSL RQSN INQ RDCP RES LSNS FMT STR*/ /*TUR */{ pS, pS, pS, pS, bK, bK, bK, pS, pS, bK, pS, bK, bK}, /*READ */{ pS, xS, xT, bO, bK, bK, bK, pS, pS, bK, pS, bK, bK}, /*WRITE */{ pS, xT, xT, bO, bK, bK, bK, pS, pS, bK, pS, bK, bK}, /*UNMAP */{ pS, xO, xO, pS, bK, bK, bK, pS, pS, bK, pS, bK, bK}, /*MD_SNS */{ bK, bK, bK, bK, pS, bK, bK, pS, pS, bK, pS, bK, bK}, /*MD_SEL */{ bK, bK, bK, bK, bK, bK, bK, pS, pS, bK, pS, bK, bK}, /*RQ_SNS */{ pS, pS, pS, pS, pS, pS, bK, pS, pS, bK, pS, bK, bK}, /*INQ */{ pS, pS, pS, pS, pS, pS, bK, pS, pS, pS, pS, bK, bK}, /*RD_CAP */{ pS, pS, pS, pS, pS, pS, bK, pS, pS, pS, pS, bK, pS}, /*RES */{ bK, bK, bK, bK, bK, bK, bK, pS, bK, bK, bK, bK, bK}, /*LOG_SNS */{ pS, pS, pS, pS, pS, bK, bK, pS, pS, bK, pS, bK, bK}, /*FORMAT */{ pS, bK, bK, bK, bK, bK, pS, pS, bK, bK, bK, bK, bK}, /*START */{ bK, bK, bK, bK, bK, bK, bK, pS, bK, bK, bK, bK, bK}, };