usr/src/uts/common/sys/hdio.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1991,1997-1998 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_HDIO_H
  28 #define _SYS_HDIO_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * Used for generic commands
  38  */
  39 struct hdk_cmd {
  40         ushort_t hdkc_cmd;              /* command to be executed */
  41         int     hdkc_flags;             /* execution flags */
  42         daddr_t hdkc_blkno;             /* disk address for command */
  43         int     hdkc_secnt;             /* sector count for command */
  44         caddr_t hdkc_bufaddr;           /* user's buffer address */
  45         uint_t  hdkc_buflen;            /* size of user's buffer */
  46 };
  47
  48 /*
  49  * Used for drive info
  50  */
  51 struct hdk_type {
  52         ushort_t hdkt_hsect;            /* hard sector count (read only) */
  53         ushort_t hdkt_promrev;          /* prom revision (read only) */
  54         uchar_t hdkt_drtype;            /* drive type (ctlr specific) */
  55         uchar_t hdkt_drstat;            /* drive status (ctlr specific, ro) */
  56 };
  57
  58 /*
  59  * Used for bad sector map
  60  */
  61 struct hdk_badmap {
  62         caddr_t hdkb_bufaddr;           /* address of user's map buffer */
  63 };
  64
  65 /*
  66  * Execution flags.
  67  */
  68 #define HDK_SILENT      0x01            /* no error messages */
  69 #define HDK_DIAGNOSE    0x02            /* fail if any error occurs */
  70 #define HDK_ISOLATE     0x04            /* isolate from normal commands */
  71 #define HDK_READ        0x08            /* read from device */
  72 #define HDK_WRITE       0x10            /* write to device */
  73 #define HDK_KBUF        0x20            /* write to device */
  74
  75 /*
  76  * Used for disk diagnostics
  77  */
  78 struct hdk_diag {
  79         ushort_t hdkd_errcmd;           /* most recent command in error */
  80         daddr_t hdkd_errsect;           /* most recent sector in error */
  81         uchar_t hdkd_errno;             /* most recent error number */
  82         uchar_t hdkd_severe;            /* severity of most recent error */
  83 };
  84
  85 /*
  86  * Used for getting disk error log.
  87  */
  88 struct hdk_loghdr {
  89         long    hdkl_entries;           /* number of dk_log entries */
  90         long    hdkl_max_size;          /* max. size of dk_log table */
  91         caddr_t hdkl_logbfr;            /* pointer to dk_log table */
  92 };
  93
  94 /*
  95  * Disk error log table entry.
  96  */
  97 struct hdk_log {
  98         daddr_t hdkl_block;             /* location of block in error */
  99         ulong_t hdkl_count;             /* number of failures */
 100         short   hdkl_type;              /* type of error (e.g. soft error) */
 101         short   hdkl_err1;              /* primary error code (e.g sense key) */
 102         short   hdkl_err2;              /* secondary error code */
 103 };
 104
 105 /*
 106  * Dk_log type flags.
 107  *
 108  * FIXME:  Really should specify dkd_errno error codes.
 109  *      For some reason they're specified in the drivers
 110  *      instead of here??  Should also use those here for
 111  *      dk_log.type too.
 112  */
 113 #define HDKL_SOFT       0x01            /* recoverable erro */
 114 #define HDKL_HARD       0x02            /* unrecoverable error */
 115
 116 /*
 117  * Severity values
 118  */
 119 #define HDK_NOERROR     0
 120 #define HDK_CORRECTED   1
 121 #define HDK_RECOVERED   2
 122 #define HDK_FATAL       3
 123
 124 /*
 125  * Error types
 126  */
 127 #define HDK_NONMEDIA    0               /* not caused by a media defect */
 128 #define HDK_ISMEDIA     1               /* caused by a media defect */
 129
 130
 131 #define HDIOC           (0x04 << 8)
 132 #define HDKIOCSTYPE     (HDIOC|101)             /* Set drive info */
 133 #define HDKIOCGTYPE     (HDIOC|102)             /* Get drive info */
 134 #define HDKIOCSBAD      (HDIOC|103)             /* Set bad sector map */
 135 #define HDKIOCGBAD      (HDIOC|104)             /* Get bad sector map */
 136 #define HDKIOCSCMD      (HDIOC|105)             /* Set generic cmd */
 137 #define HDKIOCGDIAG     (HDIOC|106)             /* Get diagnostics */
 138
 139 #ifdef  __cplusplus
 140 }
 141 #endif
 142
 143 #endif  /* _SYS_HDIO_H */