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Diffstat (limited to 'sys/dev/raidframe/rf_raidframe.h')
| -rw-r--r-- | sys/dev/raidframe/rf_raidframe.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/sys/dev/raidframe/rf_raidframe.h b/sys/dev/raidframe/rf_raidframe.h new file mode 100644 index 0000000..fd711bd --- /dev/null +++ b/sys/dev/raidframe/rf_raidframe.h @@ -0,0 +1,162 @@ +/* $FreeBSD$ */ +/* $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 <dev/raidframe/rf_types.h> +#include <dev/raidframe/rf_configure.h> +#include <dev/raidframe/rf_disks.h> +#include <dev/raidframe/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 RAIDFRAME_CONFIGURE _IOW ('r', 1, void *) /* config an array */ +#if defined(__NetBSD__) +#define RAIDFRAME_SHUTDOWN _IO ('r', 2) /* shutdown the array */ +#elif defined(__FreeBSD__) +#define RAIDFRAME_SHUTDOWN _IOW ('r', 2, int) /* shutdown the array */ +#endif +#define RAIDFRAME_TUR _IOW ('r', 3, dev_t) /* debug only: test + * ready */ +#define RAIDFRAME_TEST_ACC _IOWR('r', 4, struct rf_test_acc) + /* run a test access */ +#define RAIDFRAME_FAIL_DISK _IOW ('r', 5, struct rf_recon_req) + /* fail a disk & + * optionally start + * recon */ +#define RAIDFRAME_CHECK_RECON_STATUS _IOR('r', 6, int) /* get reconstruction % + * complete on indicated + * row */ +#define RAIDFRAME_REWRITEPARITY _IO ('r', 7) /* rewrite (initialize) + * all parity */ +#define RAIDFRAME_COPYBACK _IO ('r', 8) /* copy reconstructed + * data back to replaced + * disk */ +#define RAIDFRAME_SPARET_WAIT _IOR ('r', 9, RF_SparetWait_t) + /* does not return until + * kernel needs a spare + * table */ +#define RAIDFRAME_SEND_SPARET _IOW ('r', 10, void *) /* used to send a spare + * table down into the + * kernel */ +#define RAIDFRAME_ABORT_SPARET_WAIT _IO ('r', 11) /* used to wake up the + * sparemap daemon & + * tell it to exit */ +#define RAIDFRAME_START_ATRACE _IO ('r', 12) /* start tracing + * accesses */ +#define RAIDFRAME_STOP_ATRACE _IO ('r', 13) /* stop tracing + * accesses */ +#define RAIDFRAME_GET_SIZE _IOR ('r', 14, int) /* get size (# sectors) + * in raid device */ +#define RAIDFRAME_GET_INFO _IOWR ('r', 15, RF_DeviceConfig_t *) + /* get configuration */ +#define RAIDFRAME_RESET_ACCTOTALS _IO ('r', 16) /* reset AccTotals for + * device */ +#define RAIDFRAME_GET_ACCTOTALS _IOR ('r', 17, RF_AccTotals_t) + /* retrieve AccTotals + * for device */ +#define RAIDFRAME_KEEP_ACCTOTALS _IOW ('r', 18, int) /* turn AccTotals on or + * off for device */ +#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 _IOR ('r', 26, int) +#define RAIDFRAME_CHECK_COPYBACK_STATUS _IOR ('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 _IOR('r', 32, RF_ProgressInfo_t) +#define RAIDFRAME_CHECK_PARITYREWRITE_STATUS_EXT _IOR ('r', 33, \ + RF_ProgressInfo_t) +#define RAIDFRAME_CHECK_COPYBACK_STATUS_EXT _IOR ('r', 34, RF_ProgressInfo_t) +#define RAIDFRAME_GET_UNIT _IOWR ('r', 35, int) + +#endif /* !_RF__RF_RAIDFRAME_H_ */ |
