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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  * Copyright (c) 2013 Joyent, Inc. All rights reserved.
     25  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
     26  */
     27 
     28 #ifndef _SYS_VDEV_DISK_H
     29 #define	_SYS_VDEV_DISK_H
     30 
     31 #include <sys/vdev.h>
     32 #ifdef _KERNEL
     33 #include <sys/buf.h>
     34 #include <sys/sunldi.h>
     35 #include <sys/sunddi.h>
     36 #endif
     37 
     38 #ifdef	__cplusplus
     39 extern "C" {
     40 #endif
     41 
     42 #ifdef _KERNEL
     43 typedef struct vdev_disk {
     44 #ifdef illumos
     45 	ddi_devid_t	vd_devid;
     46 	char		*vd_minor;
     47 	ldi_handle_t	vd_lh;
     48 	list_t		vd_ldi_cbs;
     49 	boolean_t	vd_ldi_offline;
     50 #endif
     51 #ifdef __NetBSD__
     52 	char            *vd_minor;
     53 	vnode_t         *vd_vp;
     54 	struct workqueue *vd_wq;
     55 	int		vd_maxphys;
     56 #endif
     57 } vdev_disk_t;
     58 #endif
     59 
     60 extern int vdev_disk_physio(vdev_t *,
     61     caddr_t, size_t, uint64_t, int, boolean_t);
     62 
     63 /*
     64  * Since vdev_disk.c is not compiled into libzpool, this function should only be
     65  * defined in the zfs kernel module.
     66  */
     67 #ifdef _KERNEL
     68 extern int vdev_disk_ldi_physio(ldi_handle_t, caddr_t, size_t, uint64_t, int);
     69 #endif
     70 #ifdef	__cplusplus
     71 }
     72 #endif
     73 
     74 #endif	/* _SYS_VDEV_DISK_H */
     75