Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/ste/@/cddl/compat/opensolaris/sys/ |
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/ste/@/cddl/compat/opensolaris/sys/dkio.h |
/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (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 * * $FreeBSD: release/9.1.0/sys/cddl/compat/opensolaris/sys/dkio.h 178414 2008-04-22 07:43:00Z jb $ */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _OPENSOLARIS_SYS_DKIO_H_ #define _OPENSOLARIS_SYS_DKIO_H_ #ifdef __cplusplus extern "C" { #endif /* * Disk io control commands * Warning: some other ioctls with the DIOC prefix exist elsewhere. * The Generic DKIOC numbers are from 0 - 50. * The Floppy Driver uses 51 - 100. * The Hard Disk (except SCSI) 101 - 106. (these are obsolete) * The CDROM Driver 151 - 200. * The USCSI ioctl 201 - 250. */ #define DKIOC (0x04 << 8) /* * The following ioctls are generic in nature and need to be * suported as appropriate by all disk drivers */ #define DKIOCGGEOM (DKIOC|1) /* Get geometry */ #define DKIOCINFO (DKIOC|3) /* Get info */ #define DKIOCEJECT (DKIOC|6) /* Generic 'eject' */ #define DKIOCGVTOC (DKIOC|11) /* Get VTOC */ #define DKIOCSVTOC (DKIOC|12) /* Set VTOC & Write to Disk */ /* * Disk Cache Controls. These ioctls should be supported by * all disk drivers. * * DKIOCFLUSHWRITECACHE when used from user-mode ignores the ioctl * argument, but it should be passed as NULL to allow for future * reinterpretation. From user-mode, this ioctl request is synchronous. * * When invoked from within the kernel, the arg can be NULL to indicate * a synchronous request or can be the address of a struct dk_callback * to request an asynchronous callback when the flush request is complete. * In this case, the flag to the ioctl must include FKIOCTL and the * dkc_callback field of the pointed to struct must be non-null or the * request is made synchronously. * * In the callback case: if the ioctl returns 0, a callback WILL be performed. * If the ioctl returns non-zero, a callback will NOT be performed. * NOTE: In some cases, the callback may be done BEFORE the ioctl call * returns. The caller's locking strategy should be prepared for this case. */ #define DKIOCFLUSHWRITECACHE (DKIOC|34) /* flush cache to phys medium */ struct dk_callback { void (*dkc_callback)(void *dkc_cookie, int error); void *dkc_cookie; }; #ifdef __cplusplus } #endif #endif /* _OPENSOLARIS_SYS_DKIO_H_ */