mpt(4): Sync with FreeBSD.
[dragonfly.git] / sys / dev / disk / mpt / mpt_raid.h
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4c42baf4 1/* $FreeBSD: src/sys/dev/mpt/mpt_raid.h,v 1.9 2011/07/29 18:38:31 marius Exp $ */
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2/*-
3 * Definitions for the integrated RAID features LSI MPT Fusion adapters.
4 *
5 * Copyright (c) 2005, WHEEL Sp. z o.o.
6 * Copyright (c) 2004, 2005 Justin T. Gibbs
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are
11 * met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon including
17 * a substantially similar Disclaimer requirement for further binary
18 * redistribution.
19 * 3. Neither the names of the above listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
33 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35/*-
36 * Some Breakage and Bug Fixing added later.
37 * Copyright (c) 2006, by Matthew Jacob
38 * All Rights Reserved
39 *
40 * Support from LSI-Logic has also gone a great deal toward making this a
41 * workable subsystem and is gratefully acknowledged.
42 */
43#ifndef _MPT_RAID_H_
44#define _MPT_RAID_H_
45
46#include <bus/cam/cam.h>
47union ccb;
48
49typedef enum {
50 MPT_RAID_MWCE_ON,
51 MPT_RAID_MWCE_OFF,
52 MPT_RAID_MWCE_REBUILD_ONLY,
53 MPT_RAID_MWCE_NC
54} mpt_raid_mwce_t;
55
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56cam_status mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
57int mpt_is_raid_member(struct mpt_softc *, target_id_t);
58int mpt_is_raid_volume(struct mpt_softc *, target_id_t);
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59#if 0
60cam_status
61mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
62#endif
63
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64void mpt_raid_free_mem(struct mpt_softc *);
65
66static __inline void
67mpt_raid_wakeup(struct mpt_softc *mpt)
68{
69 mpt->raid_wakeup++;
70 wakeup(&mpt->raid_volumes);
71}
72
73#define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
74#define MPT_RAID_RESYNC_RATE_MAX (255)
75#define MPT_RAID_RESYNC_RATE_MIN (1)
76#define MPT_RAID_RESYNC_RATE_NC (0)
77#define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
78
79#define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
80
81#define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
82
83#define RAID_VOL_FOREACH(mpt, mpt_vol) \
84 for (mpt_vol = (mpt)->raid_volumes; \
85 mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes; \
86 mpt_vol++)
87
88#endif /*_MPT_RAID_H_ */