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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* 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]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991,1997-1998 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_HDIO_H
#define _SYS_HDIO_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Used for generic commands
*/
struct hdk_cmd {
ushort_t hdkc_cmd; /* command to be executed */
int hdkc_flags; /* execution flags */
daddr_t hdkc_blkno; /* disk address for command */
int hdkc_secnt; /* sector count for command */
caddr_t hdkc_bufaddr; /* user's buffer address */
uint_t hdkc_buflen; /* size of user's buffer */
};
/*
* 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) */
};
/*
* Used for bad sector map
*/
struct hdk_badmap {
caddr_t hdkb_bufaddr; /* address of user's map buffer */
};
/*
* Execution flags.
*/
#define HDK_SILENT 0x01 /* no error messages */
#define HDK_DIAGNOSE 0x02 /* fail if any error occurs */
#define HDK_ISOLATE 0x04 /* isolate from normal commands */
#define HDK_READ 0x08 /* read from device */
#define HDK_WRITE 0x10 /* write to device */
#define HDK_KBUF 0x20 /* write to device */
/*
* 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 */
};
/*
* Used for getting disk error log.
*/
struct hdk_loghdr {
long hdkl_entries; /* number of dk_log entries */
long hdkl_max_size; /* max. size of dk_log table */
caddr_t hdkl_logbfr; /* pointer to dk_log table */
};
/*
* Disk error log table entry.
*/
struct hdk_log {
daddr_t hdkl_block; /* location of block in error */
ulong_t hdkl_count; /* number of failures */
short hdkl_type; /* type of error (e.g. soft error) */
short hdkl_err1; /* primary error code (e.g sense key) */
short hdkl_err2; /* secondary error code */
};
/*
* Dk_log type flags.
*
* FIXME: Really should specify dkd_errno error codes.
* For some reason they're specified in the drivers
* instead of here?? Should also use those here for
* dk_log.type too.
*/
#define HDKL_SOFT 0x01 /* recoverable erro */
#define HDKL_HARD 0x02 /* unrecoverable error */
/*
* Severity values
*/
#define HDK_NOERROR 0
#define HDK_CORRECTED 1
#define HDK_RECOVERED 2
#define HDK_FATAL 3
/*
* Error types
*/
#define HDK_NONMEDIA 0 /* not caused by a media defect */
#define HDK_ISMEDIA 1 /* caused by a media defect */
#define HDIOC (0x04 << 8)
#define HDKIOCSTYPE (HDIOC|101) /* Set drive info */
#define HDKIOCGTYPE (HDIOC|102) /* Get drive info */
#define HDKIOCSBAD (HDIOC|103) /* Set bad sector map */
#define HDKIOCGBAD (HDIOC|104) /* Get bad sector map */
#define HDKIOCSCMD (HDIOC|105) /* Set generic cmd */
#define HDKIOCGDIAG (HDIOC|106) /* Get diagnostics */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_HDIO_H */
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