FreeBSD/Linux Kernel Cross Reference
sys/dev/mpt/mpt_raid.h

     /* $FreeBSD$ */
     /*-
      * Definitions for the integrated RAID features LSI MPT Fusion adapters.
      *
      * Copyright (c) 2005, WHEEL Sp. z o.o.
      * Copyright (c) 2004, 2005 Justin T. Gibbs
      * All rights reserved.
      * 
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions are
     * met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     *    substantially similar to the "NO WARRANTY" disclaimer below
     *    ("Disclaimer") and any redistribution must be conditioned upon including
     *    a substantially similar Disclaimer requirement for further binary
     *    redistribution.
     * 3. Neither the names of the above listed copyright holders nor the names
     *    of any contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     * 
     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
     * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     */
    /*-
     * Some Breakage and Bug Fixing added later.
     * Copyright (c) 2006, by Matthew Jacob
     * All Rights Reserved
     *
     * Support from LSI-Logic has also gone a great deal toward making this a
     * workable subsystem and is gratefully acknowledged.
     */
    #ifndef  _MPT_RAID_H_
    #define  _MPT_RAID_H_
    
    #include <cam/cam.h>
    union ccb;
    
    typedef enum {
            MPT_RAID_MWCE_ON,
            MPT_RAID_MWCE_OFF,
            MPT_RAID_MWCE_REBUILD_ONLY,
            MPT_RAID_MWCE_NC
    } mpt_raid_mwce_t;
    
    const char *mpt_vol_type(struct mpt_raid_volume *);
    const char *mpt_vol_state(struct mpt_raid_volume *);
    const char *mpt_disk_state(struct mpt_raid_disk *);
    void
    mpt_vol_prt(struct mpt_softc *, struct mpt_raid_volume *, const char *fmt, ...);
    void
    mpt_disk_prt(struct mpt_softc *, struct mpt_raid_disk *, const char *, ...);
    
    int
    mpt_issue_raid_req(struct mpt_softc *, struct mpt_raid_volume *,
        struct mpt_raid_disk *, request_t *, u_int, uint32_t, bus_addr_t,
        bus_size_t, int, int);
    
    cam_status
    mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
    int mpt_is_raid_volume(struct mpt_softc *, int);
    #if     0
    cam_status
    mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
    #endif
    
    int     mpt_refresh_raid_data(struct mpt_softc *);
    void    mpt_schedule_raid_refresh(struct mpt_softc *);
    void    mpt_raid_free_mem(struct mpt_softc *);
    
    static __inline void
    mpt_raid_wakeup(struct mpt_softc *mpt)
    {
            mpt->raid_wakeup++;
            wakeup(&mpt->raid_volumes);
    }
    
    #define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
    #define MPT_RAID_RESYNC_RATE_MAX (255)
    #define MPT_RAID_RESYNC_RATE_MIN (1)
    #define MPT_RAID_RESYNC_RATE_NC (0)
    #define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
    
    #define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
    
    #define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
    
    #define RAID_VOL_FOREACH(mpt, mpt_vol)                                  \
            for (mpt_vol = (mpt)->raid_volumes;                             \
                mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes;  \
                mpt_vol++)
   
   #endif /*_MPT_RAID_H_ */

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