1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2003 Silicon Graphics International Corp. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * substantially similar to the "NO WARRANTY" disclaimer below 15 * ("Disclaimer") and any redistribution must be conditioned upon 16 * including a substantially similar Disclaimer requirement for further 17 * binary redistribution. 18 * 19 * NO WARRANTY 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGES. 31 * 32 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_ser_table.c#1 $ 33 * $FreeBSD$ 34 */ 35 36 /* 37 * CAM Target Layer command serialization table. 38 * 39 * Author: Kim Le 40 */ 41 42 /****************************************************************************/ 43 /* TABLE ctlSerTbl */ 44 /* */ 45 /* The matrix which drives the serialization algorithm. The major index */ 46 /* (the first, row) into this table is the new command. The minor index */ 47 /* (column) is the older, possibly already running, command. */ 48 /* */ 49 /* Whenever a new value is added to the IDX_T type, this matrix must be */ 50 /* expanded by one row AND one column -- Because of this, some effort */ 51 /* should be made to re-use the indexes whenever possible. */ 52 /* */ 53 /****************************************************************************/ 54 55 #define pS CTL_SER_PASS /* Pass */ 56 #define bK CTL_SER_BLOCK /* Blocked */ 57 #define bO CTL_SER_BLOCKOPT /* Optional block */ 58 #define xT CTL_SER_EXTENT /* Extent check */ 59 #define xO CTL_SER_EXTENTOPT /* Optional extent check */ 60 #define xS CTL_SER_SEQ /* Sequential check */ 61 62 const static uint8_t 63 ctl_serialize_table[CTL_SERIDX_COUNT][CTL_SERIDX_COUNT] = { 64 /**>IDX_ :: 2nd:TUR RD WRT UNM SYN MDSN MDSL RQSN INQ RDCP RES LSNS FMT STR*/ 65 /*TUR */{ pS, pS, pS, pS, pS, bK, bK, pS, pS, pS, bK, pS, pS, bK}, 66 /*READ */{ pS, xS, xT, xO, pS, bK, bK, pS, pS, pS, bK, pS, bK, bK}, 67 /*WRITE */{ pS, xT, xT, xO, pS, bK, bK, pS, pS, pS, bK, pS, bK, bK}, 68 /*UNMAP */{ pS, bO, bO, pS, pS, bK, bK, pS, pS, pS, bK, pS, bK, bK}, 69 /*SYNC */{ pS, pS, bO, pS, pS, bK, bK, pS, pS, pS, bK, pS, bK, bK}, 70 /*MD_SNS */{ bK, bK, bK, bK, bK, pS, bK, pS, pS, pS, bK, pS, bK, bK}, 71 /*MD_SEL */{ bK, bK, bK, bK, bK, bK, bK, pS, pS, pS, bK, bK, bK, bK}, 72 /*RQ_SNS */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, pS, bK}, 73 /*INQ */{ pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, pS}, 74 /*RD_CAP */{ pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, bK, pS, bK, bK}, 75 /*RES */{ bK, bK, bK, bK, bK, bK, bK, bK, pS, pS, bK, bK, bK, bK}, 76 /*LOG_SNS */{ pS, pS, pS, pS, pS, pS, pS, pS, pS, pS, bK, pS, bK, bK}, 77 /*FORMAT */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK}, 78 /*START */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, pS, bK, bK, bK, bK}, 79 }; 80 81