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/* $OpenBSD: rf_raidframe.h,v 1.6 2002/12/16 07:01:05 tdeval Exp $ */
/* $NetBSD: rf_raidframe.h,v 1.11 2000/05/28 00:48:31 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*****************************************************
*
* rf_raidframe.h
*
* Main header file for using RAIDframe in the kernel.
*
*****************************************************/
#ifndef _RF__RF_RAIDFRAME_H_
#define _RF__RF_RAIDFRAME_H_
#include "rf_types.h"
#include "rf_configure.h"
#include "rf_disks.h"
#include "rf_raid.h"
typedef RF_uint32 RF_ReconReqFlags_t;
struct rf_recon_req { /* Used to tell the kernel to fail a disk. */
RF_RowCol_t row, col;
RF_ReconReqFlags_t flags;
void *raidPtr; /*
* Used internally; need not be
* set at ioctl time.
*/
struct rf_recon_req *next; /*
* Used internally; need not be
* set at ioctl time.
*/
};
struct RF_SparetWait_s {
int C, G, fcol; /*
* C = # disks in row,
* G = # units in stripe,
* fcol = which disk has failed
*/
RF_StripeCount_t SUsPerPU; /*
* This stuff is the info
* required to create a spare
* table.
*/
int TablesPerSpareRegion;
int BlocksPerTable;
RF_StripeCount_t TableDepthInPUs;
RF_StripeCount_t SpareSpaceDepthPerRegionInSUs;
RF_SparetWait_t *next; /*
* Used internally; need not be
* set at ioctl time.
*/
};
typedef struct RF_DeviceConfig_s {
u_int rows;
u_int cols;
u_int maxqdepth;
int ndevs;
RF_RaidDisk_t devs[RF_MAX_DISKS];
int nspares;
RF_RaidDisk_t spares[RF_MAX_DISKS];
} RF_DeviceConfig_t;
typedef struct RF_ProgressInfo_s {
RF_uint64 remaining;
RF_uint64 completed;
RF_uint64 total;
} RF_ProgressInfo_t;
/* Flags that can be put in the rf_recon_req structure. */
#define RF_FDFLAGS_NONE 0x0 /* Just fail the disk. */
#define RF_FDFLAGS_RECON 0x1 /* Fail and initiate recon. */
#define RF_SCSI_DISK_MAJOR 8 /*
* The device major number for disks
* in the system.
*/
/* Configure the driver. */
#define RAIDFRAME_CONFIGURE _IOW ('r', 1, void *)
/* Shutdown the driver. */
#define RAIDFRAME_SHUTDOWN _IO ('r', 2)
/* Debug only: test unit ready. */
#define RAIDFRAME_TUR _IOW ('r', 3, dev_t)
/* Run a test access. */
#define RAIDFRAME_TEST_ACC _IOWR('r', 4, struct rf_test_acc)
/* Fail a disk & optionally start recon. */
#define RAIDFRAME_FAIL_DISK _IOW ('r', 5, struct rf_recon_req)
/* Get reconstruction % complete on indicated row. */
#define RAIDFRAME_CHECK_RECON_STATUS _IOWR('r', 6, int)
/* Rewrite (initialize) all parity. */
#define RAIDFRAME_REWRITEPARITY _IO ('r', 7)
/* Copy reconstructed data back to replaced disk. */
#define RAIDFRAME_COPYBACK _IO ('r', 8)
/* Does not return until kernel needs a spare table. */
#define RAIDFRAME_SPARET_WAIT _IOR ('r', 9, RF_SparetWait_t)
/* Used to send a spare table down into the kernel. */
#define RAIDFRAME_SEND_SPARET _IOW ('r', 10, void *)
/* Used to wake up the sparemap daemon & tell it to exit. */
#define RAIDFRAME_ABORT_SPARET_WAIT _IO ('r', 11)
/* Start tracing accesses. */
#define RAIDFRAME_START_ATRAC _IO ('r', 12)
/* Stop tracing accesses. */
#define RAIDFRAME_STOP_ATRACE _IO ('r', 13)
/* Get size (# sectors) in raid device. */
#define RAIDFRAME_GET_SIZE _IOR ('r', 14, int)
/* Get configuration. */
#define RAIDFRAME_GET_INFO _IOWR('r', 15, RF_DeviceConfig_t *)
/* Reset AccTotals for device. */
#define RAIDFRAME_RESET_ACCTOTALS _IO ('r', 16)
/* Retrieve AccTotals for device. */
#define RAIDFRAME_GET_ACCTOTALS _IOR ('r', 17, RF_AccTotals_t)
/* Turn AccTotals on or off for device. */
#define RAIDFRAME_KEEP_ACCTOTALS _IOW ('r', 18, int)
#define RAIDFRAME_GET_COMPONENT_LABEL _IOWR ('r', 19, RF_ComponentLabel_t *)
#define RAIDFRAME_SET_COMPONENT_LABEL _IOW ('r', 20, RF_ComponentLabel_t)
#define RAIDFRAME_INIT_LABELS _IOW ('r', 21, RF_ComponentLabel_t)
#define RAIDFRAME_ADD_HOT_SPARE _IOW ('r', 22, RF_SingleComponent_t)
#define RAIDFRAME_REMOVE_HOT_SPARE _IOW ('r', 23, RF_SingleComponent_t)
#define RAIDFRAME_REBUILD_IN_PLACE _IOW ('r', 24, RF_SingleComponent_t)
#define RAIDFRAME_CHECK_PARITY _IOWR ('r', 25, int)
#define RAIDFRAME_CHECK_PARITYREWRITE_STATUS _IOWR ('r', 26, int)
#define RAIDFRAME_CHECK_COPYBACK_STATUS _IOWR ('r', 27, int)
#define RAIDFRAME_SET_AUTOCONFIG _IOWR ('r', 28, int)
#define RAIDFRAME_SET_ROOT _IOWR ('r', 29, int)
#define RAIDFRAME_DELETE_COMPONENT _IOW ('r', 30, RF_SingleComponent_t)
#define RAIDFRAME_INCORPORATE_HOT_SPARE _IOW ('r', 31, RF_SingleComponent_t)
/* 'Extended' status versions. */
#define RAIDFRAME_CHECK_RECON_STATUS_EXT \
_IOWR('r', 32, RF_ProgressInfo_t *)
#define RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT \
_IOWR ('r', 33, RF_ProgressInfo_t *)
#define RAIDFRAME_CHECK_COPYBACK_STATUS_EXT \
_IOWR ('r', 34, RF_ProgressInfo_t *)
#endif /* !_RF__RF_RAIDFRAME_H_ */
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