freebsd-dev/sys/dev/mpt/mpt_raid.h
2006-05-29 20:34:28 +00:00

102 lines
3.7 KiB
C

/* $FreeBSD$ */
/*-
* 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);
cam_status
mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
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_ */