mpt_raid.h revision 147883 
1/* $FreeBSD: head/sys/dev/mpt/mpt_raid.h 147883 2005-07-10 15:05:39Z scottl $ */
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 name of the LSI Logic Corporation nor the names of its
20 *    contributors may be used to endorse or promote products derived from
21 *    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#ifndef  _MPT_RAID_H_
36#define  _MPT_RAID_H_
37
38#include <cam/cam.h>
39union ccb;
40
41typedef enum {
42	MPT_RAID_MWCE_ON,
43	MPT_RAID_MWCE_OFF,
44	MPT_RAID_MWCE_REBUILD_ONLY,
45	MPT_RAID_MWCE_NC
46} mpt_raid_mwce_t;
47
48const char *
49	mpt_vol_type(struct mpt_raid_volume *);
50const char *
51	mpt_vol_state(struct mpt_raid_volume *);
52const char *
53	mpt_disk_state(struct mpt_raid_disk *);
54void	mpt_vol_prt(struct mpt_softc *, struct mpt_raid_volume *,
55		    const char *fmt, ...);
56void	mpt_disk_prt(struct mpt_softc *mpt, struct mpt_raid_disk *disk,
57		     const char *fmt, ...);
58
59int	mpt_issue_raid_req(struct mpt_softc *mpt, struct mpt_raid_volume *vol,
60			   struct mpt_raid_disk *disk, request_t *req,
61			   u_int Action, uint32_t ActionDataWord,
62			   bus_addr_t addr, bus_size_t len, int write,
63			   int wait);
64cam_status
65	mpt_map_physdisk(struct mpt_softc *mpt, union ccb *, u_int *tgt);
66cam_status
67	mpt_raid_quiesce_disk(struct mpt_softc *mpt,
68			     struct mpt_raid_disk *mpt_disk,
69			     request_t *req);
70void	mpt_refresh_raid_data(struct mpt_softc *);
71void	mpt_schedule_raid_refresh(struct mpt_softc *mpt);
72
73static __inline void
74mpt_raid_wakeup(struct mpt_softc *mpt)
75{
76	mpt->raid_wakeup++;
77	wakeup(&mpt->raid_volumes);
78}
79
80#define MPT_RAID_SYNC_REPORT_INTERVAL (15 * 60 * hz)
81#define MPT_RAID_RESYNC_RATE_MAX (255)
82#define MPT_RAID_RESYNC_RATE_MIN (1)
83#define MPT_RAID_RESYNC_RATE_NC (0)
84#define MPT_RAID_RESYNC_RATE_DEFAULT MPT_RAID_RESYNC_RATE_NC
85
86#define MPT_RAID_QUEUE_DEPTH_DEFAULT (128)
87
88#define MPT_RAID_MWCE_DEFAULT MPT_RAID_MWCE_NC
89
90#define RAID_VOL_FOREACH(mpt, mpt_vol)					\
91	for (mpt_vol = (mpt)->raid_volumes;				\
92	     mpt_vol != (mpt)->raid_volumes + (mpt)->raid_max_volumes;	\
93	     mpt_vol++)
94
95#endif /*_MPT_RAID_H_ */
96