drivers/message/fusion/mptscsih.h

   1 /*
   2  *  linux/drivers/message/fusion/mptscsih.h
   3  *      High performance SCSI / Fibre Channel SCSI Host device driver.
   4  *      For use with PCI chip/adapter(s):
   5  *          LSIFC9xx/LSI409xx Fibre Channel
   6  *      running LSI Fusion MPT (Message Passing Technology) firmware.
   7  *
   8  *  Copyright (c) 1999-2008 LSI Corporation
   9  *  (mailto:DL-MPTFusionLinux@lsi.com)
  10  *
  11  */
  12 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  13 /*
  14     This program is free software; you can redistribute it and/or modify
  15     it under the terms of the GNU General Public License as published by
  16     the Free Software Foundation; version 2 of the License.
  17
  18     This program is distributed in the hope that it will be useful,
  19     but WITHOUT ANY WARRANTY; without even the implied warranty of
  20     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21     GNU General Public License for more details.
  22
  23     NO WARRANTY
  24     THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  25     CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  26     LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  27     MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  28     solely responsible for determining the appropriateness of using and
  29     distributing the Program and assumes all risks associated with its
  30     exercise of rights under this Agreement, including but not limited to
  31     the risks and costs of program errors, damage to or loss of data,
  32     programs or equipment, and unavailability or interruption of operations.
  33
  34     DISCLAIMER OF LIABILITY
  35     NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  36     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37     DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  38     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  39     TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  40     USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  41     HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  42
  43     You should have received a copy of the GNU General Public License
  44     along with this program; if not, write to the Free Software
  45     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  46 */
  47
  48 #ifndef SCSIHOST_H_INCLUDED
  49 #define SCSIHOST_H_INCLUDED
  50
  51 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
  52 /*
  53  *      SCSI Public stuff...
  54  */
  55
  56 #define MPT_SCANDV_GOOD                 (0x00000000) /* must be 0 */
  57 #define MPT_SCANDV_DID_RESET            (0x00000001)
  58 #define MPT_SCANDV_SENSE                (0x00000002)
  59 #define MPT_SCANDV_SOME_ERROR           (0x00000004)
  60 #define MPT_SCANDV_SELECTION_TIMEOUT    (0x00000008)
  61 #define MPT_SCANDV_ISSUE_SENSE          (0x00000010)
  62 #define MPT_SCANDV_FALLBACK             (0x00000020)
  63 #define MPT_SCANDV_BUSY                 (0x00000040)
  64
  65 #define MPT_SCANDV_MAX_RETRIES          (10)
  66
  67 #define MPT_ICFLAG_BUF_CAP      0x01    /* ReadBuffer Read Capacity format */
  68 #define MPT_ICFLAG_ECHO         0x02    /* ReadBuffer Echo buffer format */
  69 #define MPT_ICFLAG_EBOS         0x04    /* ReadBuffer Echo buffer has EBOS */
  70 #define MPT_ICFLAG_PHYS_DISK    0x08    /* Any SCSI IO but do Phys Disk Format */
  71 #define MPT_ICFLAG_TAGGED_CMD   0x10    /* Do tagged IO */
  72 #define MPT_ICFLAG_DID_RESET    0x20    /* Bus Reset occurred with this command */
  73 #define MPT_ICFLAG_RESERVED     0x40    /* Reserved has been issued */
  74
  75 #define MPT_SCSI_CMD_PER_DEV_HIGH       64
  76 #define MPT_SCSI_CMD_PER_DEV_LOW        32
  77
  78 #define MPT_SCSI_CMD_PER_LUN            7
  79
  80 #define MPT_SCSI_MAX_SECTORS    8192
  81
  82 /* SCSI driver setup structure. Settings can be overridden
  83  * by command line options.
  84  */
  85 #define MPTSCSIH_DOMAIN_VALIDATION      1
  86 #define MPTSCSIH_MAX_WIDTH              1
  87 #define MPTSCSIH_MIN_SYNC               0x08
  88 #define MPTSCSIH_SAF_TE                 0
  89 #define MPTSCSIH_PT_CLEAR               0
  90
  91 #endif
  92
  93
  94 typedef struct _internal_cmd {
  95         char            *data;          /* data pointer */
  96         dma_addr_t      data_dma;       /* data dma address */
  97         int             size;           /* transfer size */
  98         u8              cmd;            /* SCSI Op Code */
  99         u8              channel;        /* bus number */
 100         u8              id;             /* SCSI ID (virtual) */
 101         int             lun;
 102         u8              flags;          /* Bit Field - See above */
 103         u8              physDiskNum;    /* Phys disk number, -1 else */
 104         u8              rsvd2;
 105         u8              rsvd;
 106 } INTERNAL_CMD;
 107
 108 extern void mptscsih_remove(struct pci_dev *);
 109 extern void mptscsih_shutdown(struct pci_dev *);
 110 #ifdef CONFIG_PM
 111 extern int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
 112 extern int mptscsih_resume(struct pci_dev *pdev);
 113 #endif
 114 extern int mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length, int func);
 115 extern const char * mptscsih_info(struct Scsi_Host *SChost);
 116 extern int mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *));
 117 extern int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel,
 118         u8 id, int lun, int ctx2abort, ulong timeout);
 119 extern void mptscsih_slave_destroy(struct scsi_device *device);
 120 extern int mptscsih_slave_configure(struct scsi_device *device);
 121 extern int mptscsih_abort(struct scsi_cmnd * SCpnt);
 122 extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt);
 123 extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt);
 124 extern int mptscsih_host_reset(struct scsi_cmnd *SCpnt);
 125 extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]);
 126 extern int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 127 extern int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 128 extern int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 129 extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
 130 extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 131 extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth,
 132                                        int reason);
 133 extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
 134 extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
 135 extern struct device_attribute *mptscsih_host_attrs[];
 136 extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
 137 extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);