kernel/fs/zfs/sys/vdev_disk.h

   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/ddi.h>
  35 #include <sys/sunldi.h>
  36 #include <sys/sunddi.h>
  37 #endif
  38
  39 #ifdef  __cplusplus
  40 extern "C" {
  41 #endif
  42
  43 #ifdef _KERNEL
  44 typedef struct vdev_disk {
  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 } vdev_disk_t;
  51 #endif
  52
  53 extern int vdev_disk_physio(vdev_t *,
  54     caddr_t, size_t, uint64_t, int, boolean_t);
  55
  56 /*
  57  * Since vdev_disk.c is not compiled into libzpool, this function should only be
  58  * defined in the zfs kernel module.
  59  */
  60 #ifdef _KERNEL
  61 extern int vdev_disk_ldi_physio(ldi_handle_t, caddr_t, size_t, uint64_t, int);
  62 #endif
  63 #ifdef  __cplusplus
  64 }
  65 #endif
  66
  67 #endif  /* _SYS_VDEV_DISK_H */