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Linux/drivers/scsi/mpt2sas/Kconfig

  1 #
  2 # Kernel configuration file for the MPT2SAS
  3 #
  4 # This code is based on drivers/scsi/mpt2sas/Kconfig
  5 # Copyright (C) 2007-2012  LSI Corporation
  6 #  (mailto:DL-MPTFusionLinux@lsi.com)
  7 
  8 # This program is free software; you can redistribute it and/or
  9 # modify it under the terms of the GNU General Public License
 10 # as published by the Free Software Foundation; either version 2
 11 # of the License, or (at your option) any later version.
 12 
 13 # This program is distributed in the hope that it will be useful,
 14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 # GNU General Public License for more details.
 17 
 18 # NO WARRANTY
 19 # THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
 20 # CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
 21 # LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
 22 # MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
 23 # solely responsible for determining the appropriateness of using and
 24 # distributing the Program and assumes all risks associated with its
 25 # exercise of rights under this Agreement, including but not limited to
 26 # the risks and costs of program errors, damage to or loss of data,
 27 # programs or equipment, and unavailability or interruption of operations.
 28 
 29 # DISCLAIMER OF LIABILITY
 30 # NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
 31 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 32 # DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
 33 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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 35 # USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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 37 
 38 # You should have received a copy of the GNU General Public License
 39 # along with this program; if not, write to the Free Software
 40 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 41 # USA.
 42 
 43 config SCSI_MPT2SAS
 44         tristate "LSI MPT Fusion SAS 2.0 Device Driver"
 45         depends on PCI && SCSI
 46         select SCSI_SAS_ATTRS
 47         select RAID_ATTRS
 48         ---help---
 49         This driver supports PCI-Express SAS 6Gb/s Host Adapters.
 50 
 51 config SCSI_MPT2SAS_MAX_SGE
 52         int "LSI MPT Fusion Max number of SG Entries (16 - 128)"
 53         depends on PCI && SCSI && SCSI_MPT2SAS
 54         default "128"
 55         range 16 128
 56         ---help---
 57         This option allows you to specify the maximum number of scatter-
 58         gather entries per I/O. The driver default is 128, which matches
 59         SAFE_PHYS_SEGMENTS.  However, it may decreased down to 16.
 60         Decreasing this parameter will reduce memory requirements
 61         on a per controller instance.
 62 
 63 config SCSI_MPT2SAS_LOGGING
 64         bool "LSI MPT Fusion logging facility"
 65         depends on PCI && SCSI && SCSI_MPT2SAS
 66         ---help---
 67         This turns on a logging facility.

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