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
mpt_raid_wakeup(struct mpt_softc * mpt)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