diff options
Diffstat (limited to 'sys/cam/ctl/ctl_ser_table.c')
| -rw-r--r-- | sys/cam/ctl/ctl_ser_table.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sys/cam/ctl/ctl_ser_table.c b/sys/cam/ctl/ctl_ser_table.c new file mode 100644 index 0000000..d862788 --- /dev/null +++ b/sys/cam/ctl/ctl_ser_table.c @@ -0,0 +1,81 @@ +/*- + * 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 /* pS */ +#define bK CTL_SER_BLOCK /* Blocked */ +#define xT CTL_SER_EXTENT /* Extent check */ + +static ctl_serialize_action +ctl_serialize_table[CTL_SERIDX_COUNT][CTL_SERIDX_COUNT] = { +/**>IDX_ :: 2nd:TUR RD WRT MDSN MDSL RQSN INQ RDCP RES REL LSNS FMT STR PRIN PROT MAININ*/ +/*TUR */{ pS, pS, pS, bK, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*READ */{ pS, pS, xT, bK, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*WRITE */{ pS, xT, xT, bK, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*MD_SNS */{ bK, bK, bK, pS, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*MD_SEL */{ bK, bK, bK, bK, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*RQ_SNS */{ pS, pS, pS, pS, pS, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*INQ */{ pS, pS, pS, pS, pS, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*RD_CAP */{ pS, pS, pS, pS, pS, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*RESV */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*REL */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*LOG_SNS */{ pS, pS, pS, pS, bK, bK, pS, pS, bK, bK, pS, bK, bK, bK, bK, bK}, +/*FORMAT */{ pS, bK, bK, bK, bK, pS, pS, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*START */{ bK, bK, bK, bK, bK, bK, pS, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*PRES_IN */{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*PRES_OUT*/{ bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK, bK}, +/*MAIN_IN */{ bK, bK, bK, bK, bK, bK, pS, bK, bK, bK, bK, bK, bK, bK, bK, pS} +}; + |
