| /* |
| * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. |
| * Copyright (C) 2007 The Regents of the University of California. |
| * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). |
| * Written by Brian Behlendorf <behlendorf1@llnl.gov>. |
| * UCRL-CODE-235197 |
| * |
| * This file is part of the SPL, Solaris Porting Layer. |
| * |
| * The SPL is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| * |
| * The SPL is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with the SPL. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef _SPL_DKIO_H |
| #define _SPL_DKIO_H |
| |
| #define DFL_SZ(num_exts) \ |
| (sizeof (dkioc_free_list_t) + (num_exts - 1) * 16) |
| |
| #define DKIOC (0x04 << 8) |
| #define DKIOCFLUSHWRITECACHE (DKIOC|34) /* flush cache to phys medium */ |
| |
| /* |
| * ioctl to free space (e.g. SCSI UNMAP) off a disk. |
| * Pass a dkioc_free_list_t containing a list of extents to be freed. |
| */ |
| #define DKIOCFREE (DKIOC|50) |
| |
| #endif /* _SPL_DKIO_H */ |
