1 /*	$NetBSD: rf_driver.h,v 1.20 2015/12/26 00:58:45 pgoyette Exp $	*/
2 /*
3  * rf_driver.h
4  */
5 /*
6  * Copyright (c) 1996 Carnegie-Mellon University.
7  * All rights reserved.
8  *
9  * Author: Jim Zelenka
10  *
11  * Permission to use, copy, modify and distribute this software and
12  * its documentation is hereby granted, provided that both the copyright
13  * notice and this permission notice appear in all copies of the
14  * software, derivative works or modified versions, and any portions
15  * thereof, and that both notices appear in supporting documentation.
16  *
17  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
18  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
19  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
20  *
21  * Carnegie Mellon requests users of this software to return to
22  *
23  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
24  *  School of Computer Science
25  *  Carnegie Mellon University
26  *  Pittsburgh PA 15213-3890
27  *
28  * any improvements or extensions that they make and grant Carnegie the
29  * rights to redistribute these changes.
30  */
31 
32 #ifndef _RF__RF_DRIVER_H_
33 #define _RF__RF_DRIVER_H_
34 
35 #include <dev/raidframe/raidframevar.h>
36 
37 #include "rf_threadstuff.h"
38 #include "rf_netbsd.h"
39 
40 #ifndef RF_RETRY_THRESHOLD
41 #define RF_RETRY_THRESHOLD 5
42 #endif
43 
44 extern rf_declare_mutex2(rf_printf_mutex);
45 int rf_BootRaidframe(bool);
46 int rf_UnbootRaidframe(void);
47 int rf_Shutdown(RF_Raid_t *);
48 int rf_Configure(RF_Raid_t *, RF_Config_t *, RF_AutoConfig_t *);
49 RF_RaidAccessDesc_t *rf_AllocRaidAccDesc(RF_Raid_t *, RF_IoType_t,
50 					 RF_RaidAddr_t, RF_SectorCount_t,
51 					 void *, void *,
52 					 RF_RaidAccessFlags_t,
53 					 const RF_AccessState_t *);
54 void rf_FreeRaidAccDesc(RF_RaidAccessDesc_t *);
55 int rf_DoAccess(RF_Raid_t *, RF_IoType_t, int, RF_RaidAddr_t,
56 		RF_SectorCount_t, void *, struct buf *,
57 		RF_RaidAccessFlags_t);
58 #if 0
59 int rf_SetReconfiguredMode(RF_Raid_t *, RF_RowCol_t, RF_RowCol_t);
60 #endif
61 int rf_FailDisk(RF_Raid_t *, RF_RowCol_t, int);
62 void rf_SignalQuiescenceLock(RF_Raid_t *);
63 int rf_SuspendNewRequestsAndWait(RF_Raid_t *);
64 void rf_ResumeNewRequests(RF_Raid_t *);
65 
66 #endif				/* !_RF__RF_DRIVER_H_ */
67