forked from mirrors/linux
db5ed4dfd5
Drop the now unused reason argument from the ->change_queue_depth method. Also add a return value to scsi_adjust_queue_depth, and rename it to scsi_change_queue_depth now that it can be used as the default ->change_queue_depth implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de>
137 lines
6 KiB
C
137 lines
6 KiB
C
/*
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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 Fusion MPT (Message Passing Technology) firmware.
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*
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* Copyright (c) 1999-2008 LSI Corporation
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* (mailto:DL-MPTFusionLinux@lsi.com)
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*
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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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/*
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* SCSI Public stuff...
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*/
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#define MPT_SCANDV_GOOD (0x00000000) /* must be 0 */
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#define MPT_SCANDV_DID_RESET (0x00000001)
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#define MPT_SCANDV_SENSE (0x00000002)
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#define MPT_SCANDV_SOME_ERROR (0x00000004)
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#define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008)
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#define MPT_SCANDV_ISSUE_SENSE (0x00000010)
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#define MPT_SCANDV_FALLBACK (0x00000020)
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#define MPT_SCANDV_BUSY (0x00000040)
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#define MPT_SCANDV_MAX_RETRIES (10)
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#define MPT_ICFLAG_BUF_CAP 0x01 /* ReadBuffer Read Capacity format */
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#define MPT_ICFLAG_ECHO 0x02 /* ReadBuffer Echo buffer format */
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#define MPT_ICFLAG_EBOS 0x04 /* ReadBuffer Echo buffer has EBOS */
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#define MPT_ICFLAG_PHYS_DISK 0x08 /* Any SCSI IO but do Phys Disk Format */
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#define MPT_ICFLAG_TAGGED_CMD 0x10 /* Do tagged IO */
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#define MPT_ICFLAG_DID_RESET 0x20 /* Bus Reset occurred with this command */
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#define MPT_ICFLAG_RESERVED 0x40 /* Reserved has been issued */
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#define MPT_SCSI_CMD_PER_DEV_HIGH 64
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#define MPT_SCSI_CMD_PER_DEV_LOW 32
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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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/* 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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#define MPTSCSIH_PT_CLEAR 0
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#endif
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typedef struct _internal_cmd {
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char *data; /* data pointer */
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dma_addr_t data_dma; /* data dma address */
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int size; /* transfer size */
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u8 cmd; /* SCSI Op Code */
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u8 channel; /* bus number */
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u8 id; /* SCSI ID (virtual) */
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u64 lun;
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u8 flags; /* Bit Field - See above */
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u8 physDiskNum; /* Phys disk number, -1 else */
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u8 rsvd2;
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u8 rsvd;
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} INTERNAL_CMD;
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extern void mptscsih_remove(struct pci_dev *);
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extern void mptscsih_shutdown(struct pci_dev *);
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#ifdef CONFIG_PM
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extern int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
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extern int mptscsih_resume(struct pci_dev *pdev);
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#endif
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extern int mptscsih_show_info(struct seq_file *, struct Scsi_Host *);
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extern const char * mptscsih_info(struct Scsi_Host *SChost);
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extern int mptscsih_qcmd(struct scsi_cmnd *SCpnt);
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extern int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel,
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u8 id, u64 lun, int ctx2abort, ulong timeout);
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extern void mptscsih_slave_destroy(struct scsi_device *device);
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extern int mptscsih_slave_configure(struct scsi_device *device);
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extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
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extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
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extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
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extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
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extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);
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extern int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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extern int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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extern int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
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extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
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extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
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extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
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extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
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extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
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extern struct device_attribute *mptscsih_host_attrs[];
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extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
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extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
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extern void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd);
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