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'\" te .\" Copyright (c) 2002, 2023, Oracle and/or its affiliates. .TH hdio 4I "13 Mar 2023" "Oracle Solaris 11.4" "Ioctls for a class of drivers or subsystems" .SH NAME hdio \- SMD and IPI disk control operations .SH SYNOPSIS .LP .nf #include <sys/hdio.h> .fi .SH DESCRIPTION .LP Note - .sp .RS 2 .sp .LP The SMD and IPI drivers have been discontinued. \fBdkio\fR(4I) is now the preferred method for retrieving disk information. .RE .sp .LP The SMD and IPI disk drivers supplied with this release support a set of \fBioctl\fR(2) requests for diagnostics and bad sector information. Basic to these \fBioctl()\fR requests are the definitions in <\fBsys/hdio.h\fR>. .SH IOCTLS .sp .ne 2 .mk .na \fB\fBHDKIOCGTYPE\fR\fR .ad .RS 15n .rt The argument is a pointer to a \fBhdk_type\fR structure (described below). This \fBioctl()\fR gets specific information from the hard disk. .RE .sp .ne 2 .mk .na \fB\fBHDKIOCSTYPE\fR\fR .ad .RS 15n .rt The argument is a pointer to a \fBhdk_type\fR structure (described below). This \fBioctl()\fR sets specific information about the hard disk. .RE .sp .in +2 .nf /* * Used for drive info */ struct hdk_type { ushort_t hdkt_hsect; /* hard sector count (read only) */ ushort_t hdkt_promrev; /* prom revision (read only) */ uchar_t hdkt_drtype; /* drive type (ctlr specific) */ uchar_t hdkt_drstat; /* drive status (ctlr specific, ro) */ }; .fi .in -2 .sp .sp .ne 2 .mk .na \fB\fBHDKIOCGBAD\fR\fR .ad .RS 14n .rt The argument is a pointer to a \fBhdk_badmap\fR structure (described below). This \fBioctl()\fR is used to get the bad sector map from the disk. .RE .sp .ne 2 .mk .na \fB\fBHDKIOCSBAD\fR\fR .ad .RS 14n .rt The argument is a pointer to a \fBhdk_badmap\fR structure (described below). This \fBioctl()\fR is used to set the bad sector map on the disk. .RE .sp .in +2 .nf /* * Used for bad sector map */ struct hdk_badmap { caddr_t hdkb_bufaddr; /* address of user's map buffer */ }; .fi .in -2 .sp .sp .ne 2 .mk .na \fB\fBHDKIOCGDIAG\fR\fR .ad .RS 15n .rt The argument is a pointer to a \fBhdk_diag\fR structure (described below). This \fBioctl()\fR gets the most recent command that failed along with the sector and error number from the hard disk. .RE .sp .in +2 .nf /* * Used for disk diagnostics */ struct hdk_diag { ushort_t hdkd_errcmd; /* most recent command in error */ daddr_t hdkd_errsect; /* most recent sector in error */ uchar_t hdkd_errno; /* most recent error number */ uchar_t hdkd_severe; /* severity of most recent error */ }; .fi .in -2 .sp .SH SEE ALSO .sp .LP \fBioctl\fR(2), \fBdkio\fR(4I)