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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/geom/geom_sched/gs_sched/@/sys/mdioctl.h |
/*-
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: fdioctl.h 1.1 90/07/09$
*
* @(#)vnioctl.h 8.1 (Berkeley) 6/10/93
*
* From: src/sys/sys/vnioctl.h,v 1.4
*
* $FreeBSD: release/9.1.0/sys/sys/mdioctl.h 152309 2005-11-11 11:31:23Z pjd $
*/
#ifndef _SYS_MDIOCTL_H_
#define _SYS_MDIOCTL_H_
enum md_types {MD_MALLOC, MD_PRELOAD, MD_VNODE, MD_SWAP};
/*
* Ioctl definitions for memory disk pseudo-device.
*/
#define MDNPAD 97
struct md_ioctl {
unsigned md_version; /* Structure layout version */
unsigned md_unit; /* unit number */
enum md_types md_type ; /* type of disk */
char *md_file; /* pathname of file to mount */
off_t md_mediasize; /* size of disk in bytes */
unsigned md_sectorsize; /* sectorsize */
unsigned md_options; /* options */
u_int64_t md_base; /* base address */
int md_fwheads; /* firmware heads */
int md_fwsectors; /* firmware sectors */
int md_pad[MDNPAD]; /* padding for future ideas */
};
#define MD_NAME "md"
#define MDCTL_NAME "mdctl"
#define MDIOVERSION 0
/*
* Before you can use a unit, it must be configured with MDIOCSET.
* The configuration persists across opens and closes of the device;
* an MDIOCCLR must be used to reset a configuration. An attempt to
* MDIOCSET an already active unit will return EBUSY.
*/
#define MDIOCATTACH _IOWR('m', 0, struct md_ioctl) /* attach disk */
#define MDIOCDETACH _IOWR('m', 1, struct md_ioctl) /* detach disk */
#define MDIOCQUERY _IOWR('m', 2, struct md_ioctl) /* query status */
#define MDIOCLIST _IOWR('m', 3, struct md_ioctl) /* query status */
#define MD_CLUSTER 0x01 /* Don't cluster */
#define MD_RESERVE 0x02 /* Pre-reserve swap */
#define MD_AUTOUNIT 0x04 /* Assign next free unit */
#define MD_READONLY 0x08 /* Readonly mode */
#define MD_COMPRESS 0x10 /* Compression mode */
#define MD_FORCE 0x20 /* Don't try to prevent foot-shooting */
#define MD_ASYNC 0x40 /* Don't try to prevent foot-shooting */
#endif /* _SYS_MDIOCTL_H_*/