xref: /freebsd/sys/dev/mpt/mpt_raid.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Definitions for the integrated RAID features LSI MPT Fusion adapters.
5  *
6  * Copyright (c) 2005, WHEEL Sp. z o.o.
7  * Copyright (c) 2004, 2005 Justin T. Gibbs
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions are
12  * met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
16  *    substantially similar to the "NO WARRANTY" disclaimer below
17  *    ("Disclaimer") and any redistribution must be conditioned upon including
18  *    a substantially similar Disclaimer requirement for further binary
19  *    redistribution.
20  * 3. Neither the names of the above listed copyright holders nor the names
21  *    of any contributors may be used to endorse or promote products derived
22  *    from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
34  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35  */
36 /*-
37  * Some Breakage and Bug Fixing added later.
38  * Copyright (c) 2006, by Matthew Jacob
39  * All Rights Reserved
40  *
41  * Support from LSI-Logic has also gone a great deal toward making this a
42  * workable subsystem and is gratefully acknowledged.
43  */
44 #ifndef  _MPT_RAID_H_
45 #define  _MPT_RAID_H_
46 
47 #include <cam/cam.h>
48 union ccb;
49 
50 typedef enum {
51 	MPT_RAID_MWCE_ON,
52 	MPT_RAID_MWCE_OFF,
53 	MPT_RAID_MWCE_REBUILD_ONLY,
54 	MPT_RAID_MWCE_NC
55 } mpt_raid_mwce_t;
56 
57 cam_status mpt_map_physdisk(struct mpt_softc *, union ccb *, target_id_t *);
58 int mpt_is_raid_member(struct mpt_softc *, target_id_t);
59 int mpt_is_raid_volume(struct mpt_softc *, target_id_t);
60 #if	0
61 cam_status
62 mpt_raid_quiesce_disk(struct mpt_softc *, struct mpt_raid_disk *, request_t *);
63 #endif
64 
65 void	mpt_raid_free_mem(struct mpt_softc *);
66 
67 static __inline void
68 mpt_raid_wakeup(struct mpt_softc *mpt)
69 {
70 	mpt->raid_wakeup++;
71 	wakeup(&mpt->raid_volumes);
72 }
73 
74 #define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
75 #define MPT_RAID_RESYNC_RATE_MAX (255)
76 #define MPT_RAID_RESYNC_RATE_MIN (1)
77 #define MPT_RAID_RESYNC_RATE_NC (0)
78 #define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
79 
80 #define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
81 
82 #define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
83 
84 #define RAID_VOL_FOREACH(mpt, mpt_vol)					\
85 	for (mpt_vol = (mpt)->raid_volumes;				\
86 	     mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes;	\
87 	     mpt_vol++)
88 
89 #endif /*_MPT_RAID_H_ */
90