mpt_raid.h revision 159052 
1/* $FreeBSD: head/sys/dev/mpt/mpt_raid.h 159052 2006-05-29 20:34:28Z mjacob $ */
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 <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
56const char *mpt_vol_type(struct mpt_raid_volume *);
57const char *mpt_vol_state(struct mpt_raid_volume *);
58const char *mpt_disk_state(struct mpt_raid_disk *);
59void
60mpt_vol_prt(struct mpt_softc *, struct mpt_raid_volume *, const char *fmt, ...);
61void
62mpt_disk_prt(struct mpt_softc *, struct mpt_raid_disk *, const char *, ...);
63
64int
65mpt_issue_raid_req(struct mpt_softc *, struct mpt_raid_volume *,
66    struct mpt_raid_disk *, request_t *, u_int, uint32_t, bus_addr_t,
67    bus_size_t, int, int);
68
69cam_status
70mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
71int mpt_is_raid_volume(struct mpt_softc *, int);
72cam_status
73mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
74
75int	mpt_refresh_raid_data(struct mpt_softc *);
76void	mpt_schedule_raid_refresh(struct mpt_softc *);
77void	mpt_raid_free_mem(struct mpt_softc *);
78
79static __inline void
80mpt_raid_wakeup(struct mpt_softc *mpt)
81{
82	mpt->raid_wakeup++;
83	wakeup(&mpt->raid_volumes);
84}
85
86#define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
87#define MPT_RAID_RESYNC_RATE_MAX (255)
88#define MPT_RAID_RESYNC_RATE_MIN (1)
89#define MPT_RAID_RESYNC_RATE_NC (0)
90#define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
91
92#define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
93
94#define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
95
96#define RAID_VOL_FOREACH(mpt, mpt_vol)					\
97	for (mpt_vol = (mpt)->raid_volumes;				\
98	     mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes;	\
99	     mpt_vol++)
100
101#endif /*_MPT_RAID_H_ */
102