341 lines
10 KiB
C
341 lines
10 KiB
C
/* @(#)dkio.h 1.1 94/10/31 SMI */
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/*
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* Copyright (c) 1987 by Sun Microsystems, Inc.
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*/
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#ifndef _sun_dkio_h
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#define _sun_dkio_h
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#include <sys/ioctl.h>
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#include <sun/dklabel.h>
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/*
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* Structures and definitions for disk io control commands
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*/
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/*
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* Structures used as data by ioctl calls.
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*/
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/*
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* Used for controller info
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*/
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struct dk_info {
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int dki_ctlr; /* controller address */
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short dki_unit; /* unit (slave) address */
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short dki_ctype; /* controller type */
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short dki_flags; /* flags */
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};
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#define DK_DEVLEN 16 /* device name max length, including */
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/* unit # & NULL (ie - "xyc1") */
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/*
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* Used for configuration info
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*/
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struct dk_conf {
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char dkc_cname[DK_DEVLEN]; /* controller name (no unit #) */
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u_short dkc_ctype; /* controller type */
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u_short dkc_flags; /* flags */
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short dkc_cnum; /* controller number */
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int dkc_addr; /* controller address */
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u_int dkc_space; /* controller bus type */
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int dkc_prio; /* interrupt priority */
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int dkc_vec; /* interrupt vector */
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char dkc_dname[DK_DEVLEN]; /* drive name (no unit #) */
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short dkc_unit; /* unit number */
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short dkc_slave; /* slave number */
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};
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/*
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* Controller types
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*/
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#define DKC_UNKNOWN 0
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/* 1 used to be Interphase 2180 */
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#define DKC_WDC2880 2
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/* 3 used to be Interphase 2181 */
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/* 4 used to be Xylogics 440 */
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#define DKC_DSD5215 5
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#define DKC_XY450 6
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#define DKC_ACB4000 7
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#define DKC_MD21 8
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/* 9 used to be Xylogics 751 */
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#define DKC_NCRFLOPPY 10
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/* #define DKC_XB1401 10 does not match dkinfo.c*/
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#define DKC_XD7053 11
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#define DKC_SMSFLOPPY 12
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#define DKC_SCSI_CCS 13
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#define DKC_INTEL82072 14 /* floppy ctlr on campus and hydra */
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#define DKC_PANTHER 15
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#define DKC_SUN_IPI1 DKC_PANTHER /* Sun Panther VME/IPI controller */
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#define DKC_MD 16 /* meta-disk (virtual-disk) driver */
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#define DKC_CDC_9057 17 /* CDC 9057-321 (CM-3) IPI String Controller */
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#define DKC_FJ_M1060 18 /* Fujitsu/Intellistor M1060 IPI-3 SC */
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#define DKC_INTEL82077 19 /* floppy ctlr on campus2 */
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/*
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* Flags
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*/
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#define DKI_BAD144 0x01 /* use DEC std 144 bad sector fwding */
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#define DKI_MAPTRK 0x02 /* controller does track mapping */
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#define DKI_FMTTRK 0x04 /* formats only full track at a time */
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#define DKI_FMTVOL 0x08 /* formats only full volume at a time */
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#define DKI_FMTCYL 0x10 /* formats only full cylinders at a time */
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#define DKI_HEXUNIT 0x20 /* unit number is printed as 3 hex digits */
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/*
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* Used for drive info
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*/
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struct dk_type {
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u_short dkt_hsect; /* hard sector count (read only) */
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u_short dkt_promrev; /* prom revision (read only) */
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u_char dkt_drtype; /* drive type (ctlr specific) */
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u_char dkt_drstat; /* drive status (ctlr specific, ro) */
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};
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/*
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* Used for all partitions
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*/
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struct dk_allmap {
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struct dk_map dka_map[NDKMAP];
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};
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/*
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* Used for bad sector map
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*/
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struct dk_badmap {
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caddr_t dkb_bufaddr; /* address of user's map buffer */
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};
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/*
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* Definition of a disk's geometry
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*/
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struct dk_geom {
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unsigned short dkg_ncyl; /* # of data cylinders */
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unsigned short dkg_acyl; /* # of alternate cylinders */
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unsigned short dkg_bcyl; /* cyl offset (for fixed head area) */
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unsigned short dkg_nhead; /* # of heads */
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unsigned short dkg_obs1; /* obsolete */
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unsigned short dkg_nsect; /* # of data sectors per track */
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unsigned short dkg_intrlv; /* interleave factor */
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unsigned short dkg_obs2; /* obsolete */
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unsigned short dkg_obs3; /* obsolete */
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unsigned short dkg_apc; /* alternates per cyl (SCSI only) */
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unsigned short dkg_rpm; /* revolutions per minute */
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unsigned short dkg_pcyl; /* # of physical cylinders */
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unsigned short dkg_extra[7]; /* for compatible expansion */
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};
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/*
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* These defines are for historic compatibility with old drivers.
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*/
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#define dkg_bhead dkg_obs1 /* used to be head offset */
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#define dkg_gap1 dkg_obs2 /* used to be gap1 */
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#define dkg_gap2 dkg_obs3 /* used to be gap2 */
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/*
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* Used for generic commands
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*/
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struct dk_cmd {
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u_short dkc_cmd; /* command to be executed */
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int dkc_flags; /* execution flags */
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daddr_t dkc_blkno; /* disk address for command */
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int dkc_secnt; /* sector count for command */
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caddr_t dkc_bufaddr; /* user's buffer address */
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u_int dkc_buflen; /* size of user's buffer */
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};
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/*
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* Execution flags.
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*/
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#define DK_SILENT 0x01 /* no error messages */
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#define DK_DIAGNOSE 0x02 /* fail if any error occurs */
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#define DK_ISOLATE 0x04 /* isolate from normal commands */
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#define DK_READ 0x08 /* read from device */
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#define DK_WRITE 0x10 /* write to device */
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/*
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* Used for disk diagnostics
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*/
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struct dk_diag {
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u_short dkd_errcmd; /* most recent command in error */
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daddr_t dkd_errsect; /* most recent sector in error */
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u_char dkd_errno; /* most recent error number */
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u_char dkd_severe; /* severity of most recent error */
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};
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/*
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* Used for getting disk error log.
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*/
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struct dk_loghdr {
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long dkl_entries; /* number of dk_log entries */
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long dkl_max_size; /* max. size of dk_log table */
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caddr_t dkl_logbfr; /* pointer to dk_log table */
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};
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/*
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* Disk error log table entry.
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*/
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struct dk_log {
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daddr_t block; /* location of block in error */
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u_long count; /* number of failures */
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short type; /* type of error (e.g. soft error) */
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short err1; /* primary error code (e.g sense key) */
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short err2; /* secondary error code */
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};
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/*
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* Dk_log type flags.
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*
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* FIXME: Really should specify dkd_errno error codes.
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* For some reason they're specified in the drivers
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* instead of here?? Should also use those here for
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* dk_log.type too.
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*/
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#define DKL_SOFT 0x01 /* recoverable erro */
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#define DKL_HARD 0x02 /* unrecoverable error */
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/*
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* Used for floppies
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*/
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struct fdk_char{
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u_char medium; /* medium type. Unused, why have it? history! */
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int transfer_rate; /* transfer rate */
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int ncyl; /* number of cylinders */
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int nhead; /* number of heads */
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int sec_size; /* sector size */
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int secptrack; /* sectors per track */
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int steps; /* number of steps per */
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};
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struct fdk_state {
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int fkc_bsec; /* bytes per sector */
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int fkc_strack; /* sectors per track */
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int fkc_step; /* step rate */
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int fkc_rate; /* data rate */
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int fkc_error; /* error returned by controller */
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};
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struct fdk_cmd { /* used by generic command */
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struct dk_cmd dcmd; /* disk command info */
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struct fdk_state fstate; /* floppy state info */
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};
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/*
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* Floppy commands
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*/
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#define FKWRITE 1
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#define FKREAD 2
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#define FKSEEK 3
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#define FKREZERO 4
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#define FKFORMAT_UNIT 5
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#define FKFORMAT_TRACK 6
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/*
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* Used by FDKGETCHANGE, return state of the sense disk change bit.
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*/
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#define FDKGC_HISTORY 0x01 /* disk has changed since last call */
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#define FDKGC_CURRENT 0x02 /* current state of disk change */
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/*
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* Used by FDK{G, S}ETDRIVECHAR
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*/
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struct fdk_drive {
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int fdd_ejectable; /* does the drive support eject? */
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int fdd_maxsearch; /* size of per-unit search table */
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int fdd_writeprecomp; /* cyl to start write prcompensation */
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int fdd_writereduce; /* cyl to start recucing write current */
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int fdd_stepwidth; /* width of step pulse in 1 us units */
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int fdd_steprate; /* step rate in 100 us units */
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int fdd_headsettle; /* delay, in 100 us units */
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int fdd_headload; /* delay, in 100 us units */
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int fdd_headunload; /* delay, in 100 us units */
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int fdd_motoron; /* delay, in 100 ms units */
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int fdd_motoroff; /* delay, in 100 ms units */
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int fdd_precomplevel; /* bit shift, in nano-secs */
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int fdd_pins; /* defines meaning of pin 1, 2, 4, and 34 */
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int fdd_flags; /* TRUE READY, Starting Sector #, & Motor On */
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};
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/*
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* Used by FDK{G, S}ETSEARCH
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*/
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struct fdk_search {
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int fdk_numentries; /* number of elements in the table */
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struct fdk_char *fdk_search;
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};
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/*
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* Used by F_RAW
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*/
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struct fdraw {
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char fr_cmd[10]; /* user-supplied command bytes */
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short fr_cnum; /* number of command bytes */
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char fr_result[10]; /* controller-supplied result bytes */
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short fr_nbytes; /* number to transfer if read/write command */
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char *fr_addr; /* where to transfer if read/write command */
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};
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/*
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* Floppy raw commands
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*/
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#define FRAW_SPECIFY 0x03
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#define FRAW_READID 0x0a
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#define FRAW_SENSE_DRV 0x04
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#define FRAW_REZERO 0x07
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#define FRAW_SEEK 0x0f
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#define FRAW_SENSE_INT 0x08
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#define FRAW_FORMAT 0x0d
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#define FRAW_READTRACK 0x02
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#define FRAW_WRCMD 0x05
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#define FRAW_RDCMD 0x06
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#define FRAW_WRITEDEL 0x09
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#define FRAW_READDEL 0x0c
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/*
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* Severity values
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*/
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#define DK_NOERROR 0
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#define DK_CORRECTED 1
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#define DK_RECOVERED 2
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#define DK_FATAL 3
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/*
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* Error types
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*/
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#define DK_NONMEDIA 0 /* not caused by a media defect */
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#define DK_ISMEDIA 1 /* caused by a media defect */
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/*
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* Disk io control commands
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*/
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#define DKIOCGGEOM _IOR(d, 2, struct dk_geom) /* Get geometry */
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#define DKIOCSGEOM _IOW(d, 3, struct dk_geom) /* Set geometry */
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#define DKIOCGPART _IOR(d, 4, struct dk_map) /* Get partition info */
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#define DKIOCSPART _IOW(d, 5, struct dk_map) /* Set partition info */
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#define DKIOCINFO _IOR(d, 8, struct dk_info) /* Get info */
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#define DKIOCGCONF _IOR(d, 126, struct dk_conf) /* Get conf info */
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#define DKIOCSTYPE _IOW(d, 125, struct dk_type) /* Set drive info */
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#define DKIOCGTYPE _IOR(d, 124, struct dk_type) /* Get drive info */
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#define DKIOCSAPART _IOW(d, 123, struct dk_allmap) /* Set all partitions */
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#define DKIOCGAPART _IOR(d, 122, struct dk_allmap) /* Get all partitions */
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#define DKIOCSBAD _IOW(d, 121, struct dk_badmap) /* Set bad sector map */
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#define DKIOCGBAD _IOW(d, 120, struct dk_badmap) /* Get bad sector map */
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#define DKIOCSCMD _IOW(d, 119, struct dk_cmd) /* Set generic cmd */
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#define DKIOCGLOG _IOR(d, 118, struct dk_loghdr) /* Get error log */
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#define DKIOCGDIAG _IOR(d, 116, struct dk_diag) /* Get diagnostics */
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#define DKIOCWCHK _IOWR(d, 115, int) /* Toggle write check */
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#define FDKIOGCHAR _IOR(d, 114, struct fdk_char) /* GetCharacteristics */
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#define FDKIOSCHAR _IOW(d, 113, struct fdk_char) /* SetCharacteristics */
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#define FDKEJECT _IO(d, 112) /* Eject floppy disk */
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#define FDKGETCHANGE _IOR(d, 111, int) /* Get diskchng stat */
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#define FDKGETDRIVECHAR _IOR(d, 110, struct fdk_drive) /* Get drivechar */
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#define FDKSETDRIVECHAR _IOW(d, 109, struct fdk_drive) /* Set drivechar */
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#define FDKGETSEARCH _IOR(d, 108, struct fdk_search) /* Get search tbl */
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#define FDKSETSEARCH _IOW(d, 107, struct fdk_search) /* Set search tbl */
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#define FDKIOCSCMD _IOWR(d, 106, struct fdk_cmd) /* Floppy command */
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#define F_RAW _IOWR(d, 105, struct fdraw) /* ECDstyle genericcmd*/
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#endif /*!_sun_dkio_h*/
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