xref: /freebsd/sys/dev/mpt/mpt_raid.h (revision c697fb7f)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-3-Clause
4  *
5  * Definitions for the integrated RAID features LSI MPT Fusion adapters.
6  *
7  * Copyright (c) 2005, WHEEL Sp. z o.o.
8  * Copyright (c) 2004, 2005 Justin T. Gibbs
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions are
13  * met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17  *    substantially similar to the "NO WARRANTY" disclaimer below
18  *    ("Disclaimer") and any redistribution must be conditioned upon including
19  *    a substantially similar Disclaimer requirement for further binary
20  *    redistribution.
21  * 3. Neither the names of the above listed copyright holders nor the names
22  *    of any contributors may be used to endorse or promote products derived
23  *    from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
35  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36  */
37 /*-
38  * Some Breakage and Bug Fixing added later.
39  * Copyright (c) 2006, by Matthew Jacob
40  * All Rights Reserved
41  *
42  * Support from LSI-Logic has also gone a great deal toward making this a
43  * workable subsystem and is gratefully acknowledged.
44  */
45 #ifndef  _MPT_RAID_H_
46 #define  _MPT_RAID_H_
47 
48 #include <cam/cam.h>
49 union ccb;
50 
51 typedef enum {
52 	MPT_RAID_MWCE_ON,
53 	MPT_RAID_MWCE_OFF,
54 	MPT_RAID_MWCE_REBUILD_ONLY,
55 	MPT_RAID_MWCE_NC
56 } mpt_raid_mwce_t;
57 
58 cam_status mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
59 int mpt_is_raid_member(struct mpt_softc *, target_id_t);
60 int mpt_is_raid_volume(struct mpt_softc *, target_id_t);
61 #if	0
62 cam_status
63 mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
64 #endif
65 
66 void	mpt_raid_free_mem(struct mpt_softc *);
67 
68 static __inline void
69 mpt_raid_wakeup(struct mpt_softc *mpt)
70 {
71 	mpt->raid_wakeup++;
72 	wakeup(&mpt->raid_volumes);
73 }
74 
75 #define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
76 #define MPT_RAID_RESYNC_RATE_MAX (255)
77 #define MPT_RAID_RESYNC_RATE_MIN (1)
78 #define MPT_RAID_RESYNC_RATE_NC (0)
79 #define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
80 
81 #define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
82 
83 #define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
84 
85 #define RAID_VOL_FOREACH(mpt, mpt_vol)					\
86 	for (mpt_vol = (mpt)->raid_volumes;				\
87 	     mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes;	\
88 	     mpt_vol++)
89 
90 #endif /*_MPT_RAID_H_ */
91