1 /*- 2 * Copyright (c) 2004 Mark R V Murray 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 #include <sys/malloc.h> 32 #include <sys/memrange.h> 33 #include <sys/systm.h> 34 35 /* 36 * Implementation-neutral, kernel-callable functions for manipulating 37 * memory range attributes. 38 */ 39 int 40 mem_range_attr_get(struct mem_range_desc *mrd, int *arg) 41 { 42 /* can we handle this? */ 43 if (mem_range_softc.mr_op == NULL) 44 return (EOPNOTSUPP); 45 46 if (*arg == 0) 47 *arg = mem_range_softc.mr_ndesc; 48 else 49 bcopy(mem_range_softc.mr_desc, mrd, 50 (*arg) * sizeof(struct mem_range_desc)); 51 return (0); 52 } 53 54 int 55 mem_range_attr_set(struct mem_range_desc *mrd, int *arg) 56 { 57 /* can we handle this? */ 58 if (mem_range_softc.mr_op == NULL) 59 return (EOPNOTSUPP); 60 61 return (mem_range_softc.mr_op->set(&mem_range_softc, mrd, arg)); 62 } 63