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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifdef	_KERNEL
     27 
     28 #include <sys/scsi/scsi_types.h>
     29 
     30 /*
     31  * Autoconfiguration Dependent Data
     32  */
     33 /*
     34  * Many defines in this file have built in parallel bus assumption
     35  * which might need to change as other interconnect evolve.
     36  */
     37 
     38 /*
     39  * SCSI options word- defines are kept in <scsi/conf/autoconf.h>
     40  *
     41  * All this options word does is to enable such capabilities. Each
     42  * implementation may disable this word, or ignore it entirely.
     43  * Changing this word after system autoconfiguration is not guaranteed
     44  * to cause any change in the operation of the system.
     45  */
     46 
     47 int scsi_options =
     48 	SCSI_OPTIONS_DR			|
     49 	SCSI_OPTIONS_LINK		|
     50 	SCSI_OPTIONS_SYNC		|
     51 	SCSI_OPTIONS_PARITY		|
     52 	SCSI_OPTIONS_TAG		|
     53 	SCSI_OPTIONS_FAST		|
     54 	SCSI_OPTIONS_WIDE		|
     55 	SCSI_OPTIONS_FAST20		|
     56 	SCSI_OPTIONS_FAST40		|
     57 	SCSI_OPTIONS_FAST80		|
     58 	SCSI_OPTIONS_FAST160		|
     59 	SCSI_OPTIONS_FAST320		|
     60 	SCSI_OPTIONS_NLUNS_DEFAULT	|
     61 	SCSI_OPTIONS_QAS		|
     62 	0;
     63 
     64 /*
     65  * Scsi bus or device reset recovery time in milliseconds.
     66  */
     67 unsigned int	scsi_reset_delay = SCSI_DEFAULT_RESET_DELAY;
     68 
     69 /*
     70  * SCSI selection timeout in milliseconds.
     71  */
     72 int	scsi_selection_timeout = SCSI_DEFAULT_SELECTION_TIMEOUT;
     73 
     74 /*
     75  * Default scsi host id.  Note, this variable is only used if the
     76  * "scsi-initiator-id" cannot be retrieved from openproms.  This is only
     77  * a problem with older platforms which don't have openproms and usage
     78  * of the sport-8 with openproms 1.x.
     79  */
     80 int	scsi_host_id = 7;
     81 
     82 /*
     83  * Maximum tag age limit.
     84  * Note exceeding tag age limit of 2 is fairly common;
     85  * refer to 1164758
     86  */
     87 int	scsi_tag_age_limit = 2;
     88 
     89 /*
     90  * scsi watchdog tick (secs)
     91  * Note: with tagged queueing, timeouts are highly inaccurate and therefore
     92  *	 it doesn't make sense to monitor every second.
     93  */
     94 int	scsi_watchdog_tick = 10;
     95 
     96 /*
     97  * default scsi target driver "fm-capable" property value
     98  */
     99 int	scsi_fm_capable = DDI_FM_EREPORT_CAPABLE;
    100 
    101 /*
    102  * SCSI enumeration options defines are kept in <scsi/conf/autoconf.h>.
    103  * When scsi_enumeration is enabled, driver.conf enumeration is unnecessary.
    104  *
    105  * The global variable "scsi_enumeration" is used as the default value of the
    106  * "scsi-enumeration" property. In addition to enabline/disabling enumeration
    107  * (bit 0), target and lun threading can be specified.
    108  *
    109  *	0	driver.conf enumeration
    110  *	1	dynamic enumeration with target/lun multi-threading.
    111  *	3	dynamic enumeration with lun multi-threading disabled.
    112  *	5	dynamic enumeration with target multi-threading disabled;
    113  *	7	dynamic enumeration with target/lun multi-threading disabled.
    114  *
    115  * Default is currently driver.conf enumeration (0).
    116  */
    117 int	scsi_enumeration = 0;
    118 
    119 #endif	/* _KERNEL */
    120