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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <mem.h> 30 #include <fcntl.h> 31 #include <unistd.h> 32 #include <errno.h> 33 #include <sys/mem.h> 34 #include <fm/fmd_fmri.h> 35 36 void 37 mem_strarray_free(char **arr, size_t dim) 38 { 39 int i; 40 41 for (i = 0; i < dim; i++) { 42 if (arr[i] != NULL) 43 fmd_fmri_strfree(arr[i]); 44 } 45 fmd_fmri_free(arr, sizeof (char *) * dim); 46 } 47 48 int 49 mem_page_cmd(int cmd, nvlist_t *nvl) 50 { 51 mem_page_t mpage; 52 char *fmribuf; 53 size_t fmrisz; 54 int fd, rc, err; 55 56 if ((fd = open("/dev/mem", O_RDONLY)) < 0) 57 return (-1); /* errno is set for us */ 58 59 if ((errno = nvlist_size(nvl, &fmrisz, NV_ENCODE_NATIVE)) != 0 || 60 fmrisz > MEM_FMRI_MAX_BUFSIZE || 61 (fmribuf = fmd_fmri_alloc(fmrisz)) == NULL) { 62 (void) close(fd); 63 return (-1); /* errno is set for us */ 64 } 65 66 if ((errno = nvlist_pack(nvl, &fmribuf, &fmrisz, 67 NV_ENCODE_NATIVE, 0)) != 0) { 68 fmd_fmri_free(fmribuf, fmrisz); 69 (void) close(fd); 70 return (-1); /* errno is set for us */ 71 } 72 73 mpage.m_fmri = fmribuf; 74 mpage.m_fmrisz = fmrisz; 75 76 if ((rc = ioctl(fd, cmd, &mpage)) < 0) 77 err = errno; 78 79 fmd_fmri_free(fmribuf, fmrisz); 80 81 (void) close(fd); 82 83 if (rc < 0) { 84 errno = err; 85 return (-1); 86 } 87 88 return (0); 89 } 90