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 # Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  26 #
  27 
  28 #
  29 # The mpt_sas driver, as a pHCI driver, must specify the vHCI class it
  30 # belongs to(scsi_vhci).
  31 #
  32 ddi-vhci-class="scsi_vhci";
  33 #
  34 # I/O multipathing feature (MPxIO) can be enabled or disabled using
  35 # mpxio-disable property. Setting mpxio-disable="no" will activate
  36 # I/O multipathing; setting mpxio-disable="yes" disables the feature.
  37 #
  38 # Global mpxio-disable property:
  39 #
  40 # To globally enable MPxIO on all LSI MPT SAS 2.0/2.5 controllers set:
  41 # mpxio-disable="no";
  42 #
  43 # To globally disable MPxIO on all LSI MPT SAS 2.0/2.5 controllers set:
  44 # mpxio-disable="yes";
  45 #
  46 # You can also enable or disable MPxIO on a per HBA basis. 
  47 # Per HBA settings override the global setting for the specified HBAs.
  48 # To disable MPxIO on a controller whose parent is /pci@7c0/pci@0/pci@9
  49 # and the unit-address is "0" set:
  50 # name="mpt_sas" parent="/pci@7c0/pci@0/pci@9" unit-address="0" mpxio-disable="yes";
  51 #
  52 mpxio-disable="no";
  53 
  54 # mpt_sas can do I/O completion in helper threads, reducing the amount
  55 # of work done within interrupt context.
  56 #
  57 # mptsas_doneq_length_threshold_prop specifies the minimum number of
  58 # I/O completions pending to handle them in a helper thread, a value
  59 # of 0 causes all I/O completions to be passed to the helper threads.
  60 mptsas_doneq_length_threshold_prop=0;