xref: /freebsd/sys/dev/mpt/mpt_raid.h (revision b740c88bfb6453416926271c089262e7164dace3)
1 /* $FreeBSD$ */
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>
47 union ccb;
48 
49 typedef 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 
56 cam_status mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
57 int mpt_is_raid_member(struct mpt_softc *, target_id_t);
58 int mpt_is_raid_volume(struct mpt_softc *, target_id_t);
59 #if	0
60 cam_status
61 mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
62 #endif
63 
64 void	mpt_raid_free_mem(struct mpt_softc *);
65 
66 static __inline void
67 mpt_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_ */
89