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1275 |
phoenix |
/*
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* linux/drivers/message/fusion/mptscsih.h
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* High performance SCSI / Fibre Channel SCSI Host device driver.
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* For use with PCI chip/adapter(s):
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* LSIFC9xx/LSI409xx Fibre Channel
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* running LSI Logic Fusion MPT (Message Passing Technology) firmware.
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*
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* Credits:
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* This driver would not exist if not for Alan Cox's development
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* of the linux i2o driver.
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*
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* A huge debt of gratitude is owed to David S. Miller (DaveM)
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* for fixing much of the stupid and broken stuff in the early
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* driver while porting to sparc64 platform. THANK YOU!
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*
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* (see also mptbase.c)
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*
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* Copyright (c) 1999-2002 LSI Logic Corporation
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* Originally By: Steven J. Ralston
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* (mailto:sjralston1@netscape.net)
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* (mailto:mpt_linux_developer@lsil.com)
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*
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* $Id: mptscsih.h,v 1.1.1.1 2004-04-15 02:27:21 phoenix Exp $
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*/
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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NO WARRANTY
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THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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solely responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, damage to or loss of data,
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programs or equipment, and unavailability or interruption of operations.
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DISCLAIMER OF LIABILITY
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NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SCSIHOST_H_INCLUDED
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#define SCSIHOST_H_INCLUDED
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#include "linux/version.h"
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* SCSI Public stuff...
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*/
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/*
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* Try to keep these at 2^N-1
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*/
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#define MPT_FC_CAN_QUEUE 127
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#if defined MPT_SCSI_USE_NEW_EH
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#define MPT_SCSI_CAN_QUEUE 127
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#else
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#define MPT_SCSI_CAN_QUEUE 63
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#endif
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#define MPT_SCSI_CMD_PER_DEV_HIGH 31
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#define MPT_SCSI_CMD_PER_DEV_LOW 7
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#define MPT_SCSI_CMD_PER_LUN 7
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#define MPT_SCSI_MAX_SECTORS 8192
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/*
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* Set the MAX_SGE value based on user input.
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*/
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#ifdef CONFIG_FUSION_MAX_SGE
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#if CONFIG_FUSION_MAX_SGE < 16
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#define MPT_SCSI_SG_DEPTH 16
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#elif CONFIG_FUSION_MAX_SGE > 128
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#define MPT_SCSI_SG_DEPTH 128
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#else
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#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
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#endif
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#else
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#define MPT_SCSI_SG_DEPTH 40
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#endif
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/* To disable domain validation, uncomment the
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* following line. No effect for FC devices.
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* For SCSI devices, driver will negotiate to
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* NVRAM settings (if available) or to maximum adapter
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* capabilities.
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*/
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/* #define MPTSCSIH_DISABLE_DOMAIN_VALIDATION */
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/* SCSI driver setup structure. Settings can be overridden
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* by command line options.
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*/
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#define MPTSCSIH_DOMAIN_VALIDATION 1
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#define MPTSCSIH_MAX_WIDTH 1
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#define MPTSCSIH_MIN_SYNC 0x08
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#define MPTSCSIH_SAF_TE 0
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struct mptscsih_driver_setup
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{
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u8 dv;
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u8 max_width;
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u8 min_sync_fac;
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u8 saf_te;
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};
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#define MPTSCSIH_DRIVER_SETUP \
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{ \
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MPTSCSIH_DOMAIN_VALIDATION, \
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MPTSCSIH_MAX_WIDTH, \
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MPTSCSIH_MIN_SYNC, \
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MPTSCSIH_SAF_TE, \
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}
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* Various bits and pieces broke within the lk-2.4.0-testN series:-(
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* So here are various HACKS to work around them.
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*/
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/*
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* Conditionalizing with "#ifdef MODULE/#endif" around:
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* static Scsi_Host_Template driver_template = XX;
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* #include <../../scsi/scsi_module.c>
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* lines was REMOVED @ lk-2.4.0-test9
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* Issue discovered 20001213 by: sshirron
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*/
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#define MPT_SCSIHOST_NEED_ENTRY_EXIT_HOOKUPS 1
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,0)
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# if LINUX_VERSION_CODE == KERNEL_VERSION(2,4,0)
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/*
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* Super HACK! -by sralston:-(
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* (good grief; heaven help me!)
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*/
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# include <linux/capability.h>
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# if !defined(CAP_LEASE) && !defined(MODULE)
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# undef MPT_SCSIHOST_NEED_ENTRY_EXIT_HOOKUPS
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# endif
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# else
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# ifndef MODULE
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# undef MPT_SCSIHOST_NEED_ENTRY_EXIT_HOOKUPS
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# endif
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# endif
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#endif
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/*
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* tq_scheduler disappeared @ lk-2.4.0-test12
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* (right when <linux/sched.h> newly defined TQ_ACTIVE)
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* tq_struct reworked in 2.5.41. Include workqueue.h.
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*/
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,41)
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# include <linux/sched.h>
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# include <linux/workqueue.h>
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#define SCHEDULE_TASK(x) \
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if (schedule_work(x) == 0) { \
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/*MOD_DEC_USE_COUNT*/; \
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}
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#else
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#define HAVE_TQ_SCHED 1
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
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# include <linux/sched.h>
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# ifdef TQ_ACTIVE
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# undef HAVE_TQ_SCHED
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# endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,40)
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# undef HAVE_TQ_SCHED
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#endif
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#endif
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#ifdef HAVE_TQ_SCHED
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#define SCHEDULE_TASK(x) \
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/*MOD_INC_USE_COUNT*/; \
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(x)->next = NULL; \
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queue_task(x, &tq_scheduler)
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#else
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#define SCHEDULE_TASK(x) \
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/*MOD_INC_USE_COUNT*/; \
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if (schedule_task(x) == 0) { \
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/*MOD_DEC_USE_COUNT*/; \
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}
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#endif
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#endif
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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#define x_scsi_detect mptscsih_detect
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#define x_scsi_release mptscsih_release
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#define x_scsi_info mptscsih_info
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#define x_scsi_queuecommand mptscsih_qcmd
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#define x_scsi_abort mptscsih_abort
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#define x_scsi_bus_reset mptscsih_bus_reset
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#define x_scsi_dev_reset mptscsih_dev_reset
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#define x_scsi_host_reset mptscsih_host_reset
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#define x_scsi_bios_param mptscsih_bios_param
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#define x_scsi_taskmgmt_bh mptscsih_taskmgmt_bh
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#define x_scsi_old_abort mptscsih_old_abort
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#define x_scsi_old_reset mptscsih_old_reset
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#define x_scsi_select_queue_depths mptscsih_select_queue_depths
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#define x_scsi_proc_info mptscsih_proc_info
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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/*
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* MPT SCSI Host / Initiator decls...
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*/
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extern int x_scsi_detect(Scsi_Host_Template *);
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extern int x_scsi_release(struct Scsi_Host *host);
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extern const char *x_scsi_info(struct Scsi_Host *);
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extern int x_scsi_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
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#ifdef MPT_SCSI_USE_NEW_EH
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extern int x_scsi_abort(Scsi_Cmnd *);
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extern int x_scsi_bus_reset(Scsi_Cmnd *);
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extern int x_scsi_dev_reset(Scsi_Cmnd *);
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extern int x_scsi_host_reset(Scsi_Cmnd *);
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#else
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extern int x_scsi_old_abort(Scsi_Cmnd *);
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extern int x_scsi_old_reset(Scsi_Cmnd *, unsigned int);
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#endif
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extern int x_scsi_bios_param(Disk *, kdev_t, int *);
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extern void x_scsi_taskmgmt_bh(void *);
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extern void x_scsi_select_queue_depths(struct Scsi_Host *, Scsi_Device *);
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extern int x_scsi_proc_info(char *, char **, off_t, int, int, int);
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,3,0)
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#define PROC_SCSI_DECL
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#else
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#define PROC_SCSI_DECL .proc_name = "mptscsih",
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#endif
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#ifdef MPT_SCSI_USE_NEW_EH
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#define MPT_SCSIHOST { \
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.next = NULL, \
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PROC_SCSI_DECL \
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.proc_info = x_scsi_proc_info, \
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.name = "MPT SCSI Host", \
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.detect = x_scsi_detect, \
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.release = x_scsi_release, \
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.info = x_scsi_info, \
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.command = NULL, \
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.queuecommand = x_scsi_queuecommand, \
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.eh_strategy_handler = NULL, \
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.eh_abort_handler = x_scsi_abort, \
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.eh_device_reset_handler = x_scsi_dev_reset, \
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.eh_bus_reset_handler = x_scsi_bus_reset, \
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.eh_host_reset_handler = NULL, \
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.bios_param = x_scsi_bios_param, \
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.can_queue = MPT_SCSI_CAN_QUEUE, \
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.this_id = -1, \
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.sg_tablesize = MPT_SCSI_SG_DEPTH, \
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.cmd_per_lun = MPT_SCSI_CMD_PER_LUN, \
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.unchecked_isa_dma = 0, \
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.use_clustering = ENABLE_CLUSTERING, \
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.use_new_eh_code = 1 \
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}
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#else /* MPT_SCSI_USE_NEW_EH */
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282 |
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#define MPT_SCSIHOST { \
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.next = NULL, \
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PROC_SCSI_DECL \
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.name = "MPT SCSI Host", \
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.detect = x_scsi_detect, \
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.release = x_scsi_release, \
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.info = x_scsi_info, \
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.command = NULL, \
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.queuecommand = x_scsi_queuecommand, \
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.abort = x_scsi_old_abort, \
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.reset = x_scsi_old_reset, \
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.bios_param = x_scsi_bios_param, \
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.can_queue = MPT_SCSI_CAN_QUEUE, \
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.this_id = -1, \
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.sg_tablesize = MPT_SCSI_SG_DEPTH, \
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.cmd_per_lun = MPT_SCSI_CMD_PER_LUN, \
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.unchecked_isa_dma = 0, \
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.use_clustering = ENABLE_CLUSTERING \
|
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}
|
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#endif /* MPT_SCSI_USE_NEW_EH */
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303 |
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|
304 |
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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|
306 |
|
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/* include/scsi/scsi.h may not be quite complete... */
|
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|
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#ifndef RESERVE_10
|
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#define RESERVE_10 0x56
|
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|
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#endif
|
310 |
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#ifndef RELEASE_10
|
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#define RELEASE_10 0x57
|
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#endif
|
313 |
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#ifndef PERSISTENT_RESERVE_IN
|
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|
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#define PERSISTENT_RESERVE_IN 0x5e
|
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|
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#endif
|
316 |
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#ifndef PERSISTENT_RESERVE_OUT
|
317 |
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#define PERSISTENT_RESERVE_OUT 0x5f
|
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|
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#endif
|
319 |
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320 |
|
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/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
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321 |
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#endif
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323 |
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