1 '\" te
   2 .\" Copyright (c) 2002, Sun Microsystems, Inc.
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   5 .\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE.  If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
   6 .TH HDIO 7I "Aug 13, 2002"
   7 .SH NAME
   8 hdio \- SMD and IPI disk control operations
   9 .SH SYNOPSIS
  10 .LP
  11 .nf
  12 #include <sys/hdio.h>
  13 .fi
  14 
  15 .SH DESCRIPTION
  16 .LP
  17 Note -
  18 .sp
  19 .RS 2
  20 The SMC and IPI drivers have been discontinued. \fBdkio\fR(7I) is now the
  21 preferred method for retrieving disk information.
  22 .RE
  23 .sp
  24 .LP
  25 The SMD and IPI disk drivers supplied with this release support a set of
  26 \fBioctl\fR(2) requests for diagnostics and bad sector information. Basic to
  27 these  \fBioctl()\fR requests are the definitions in <\fBsys/hdio.h\fR>.
  28 .SH IOCTLS
  29 .sp
  30 .ne 2
  31 .na
  32 \fB\fBHDKIOCGTYPE\fR\fR
  33 .ad
  34 .RS 15n
  35 The argument is a pointer to a \fBhdk_type\fR structure (described below).
  36 This \fBioctl()\fR gets specific information from the hard disk.
  37 .RE
  38 
  39 .sp
  40 .ne 2
  41 .na
  42 \fB\fBHDKIOCSTYPE\fR\fR
  43 .ad
  44 .RS 15n
  45 The argument is a pointer to a \fBhdk_type\fR structure (described below).
  46 This \fBioctl()\fR sets specific information about the hard disk.
  47 .RE
  48 
  49 .sp
  50 .in +2
  51 .nf
  52 /*
  53  * Used for drive info
  54  */
  55 struct hdk_type {
  56  ushort_t  hdkt_hsect;    /* hard sector count (read only) */
  57  ushort_t  hdkt_promrev;  /* prom revision (read only) */
  58  uchar_t   hdkt_drtype;   /* drive type (ctlr specific) */
  59  uchar_t   hdkt_drstat;   /* drive status (ctlr specific, ro) */
  60 };
  61 .fi
  62 .in -2
  63 
  64 .sp
  65 .ne 2
  66 .na
  67 \fB\fBHDKIOCGBAD\fR\fR
  68 .ad
  69 .RS 14n
  70 The argument is a pointer to a \fBhdk_badmap\fR structure (described below).
  71 This \fBioctl()\fR is used to get the bad sector map from the disk.
  72 .RE
  73 
  74 .sp
  75 .ne 2
  76 .na
  77 \fB\fBHDKIOCSBAD\fR\fR
  78 .ad
  79 .RS 14n
  80 The argument is a pointer to a \fBhdk_badmap\fR structure (described below).
  81 This \fBioctl()\fR is used to set the bad sector map on the disk.
  82 .RE
  83 
  84 .sp
  85 .in +2
  86 .nf
  87 /*
  88  * Used for bad sector map
  89  */
  90 struct hdk_badmap {
  91         caddr_t hdkb_bufaddr;   /* address of user's map buffer */
  92 };
  93 .fi
  94 .in -2
  95 
  96 .sp
  97 .ne 2
  98 .na
  99 \fB\fBHDKIOCGDIAG\fR\fR
 100 .ad
 101 .RS 15n
 102 The argument is a pointer to a \fBhdk_diag\fR structure (described below).
 103 This \fBioctl()\fR gets the most recent command that failed along with the
 104 sector and error number from the hard disk.
 105 .RE
 106 
 107 .sp
 108 .in +2
 109 .nf
 110 /*
 111  * Used for disk diagnostics
 112  */
 113 struct hdk_diag {
 114  ushort_t       hdkd_errcmd;  /* most recent command in error */
 115  daddr_t        hdkd_errsect; /* most recent sector in error */
 116  uchar_t        hdkd_errno;   /* most recent error number */
 117  uchar_t        hdkd_severe;  /* severity of most recent error */
 118 };
 119 .fi
 120 .in -2
 121 
 122 .SH SEE ALSO
 123 .sp
 124 .LP
 125 \fBioctl\fR(2), \fBdkio\fR(7I)