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 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <mem.h> 29 #include <fcntl.h> 30 #include <unistd.h> 31 #include <errno.h> 32 #include <sys/mem.h> 33 #include <fm/fmd_fmri.h> 34 35 #ifdef sparc 36 #include <sys/fm/ldom.h> 37 extern ldom_hdl_t *mem_scheme_lhp; 38 #endif 39 40 void 41 mem_strarray_free(char **arr, size_t dim) 42 { 43 int i; 44 45 for (i = 0; i < dim; i++) { 46 if (arr[i] != NULL) 47 fmd_fmri_strfree(arr[i]); 48 } 49 fmd_fmri_free(arr, sizeof (char *) * dim); 50 } 51 52 int 53 mem_page_cmd(int cmd, nvlist_t *nvl) 54 { 55 #ifdef sparc 56 int rc; 57 58 if (cmd == MEM_PAGE_ISRETIRED || cmd == MEM_PAGE_FMRI_ISRETIRED) { 59 rc = ldom_fmri_status(mem_scheme_lhp, nvl); 60 } else if (cmd == MEM_PAGE_RETIRE || cmd == MEM_PAGE_FMRI_RETIRE) { 61 rc = ldom_fmri_retire(mem_scheme_lhp, nvl); 62 } else { 63 errno = ENOTSUP; 64 return (-1); 65 } 66 67 /* Make the return value and errno value similar to the ioctl() call */ 68 if (rc > 0) { 69 errno = rc; 70 return (-1); 71 } 72 73 return (0); 74 #else 75 mem_page_t mpage; 76 char *fmribuf; 77 size_t fmrisz; 78 int fd, rc, err; 79 80 if ((fd = open("/dev/mem", O_RDONLY)) < 0) 81 return (-1); /* errno is set for us */ 82 83 if ((errno = nvlist_size(nvl, &fmrisz, NV_ENCODE_NATIVE)) != 0 || 84 fmrisz > MEM_FMRI_MAX_BUFSIZE || 85 (fmribuf = fmd_fmri_alloc(fmrisz)) == NULL) { 86 (void) close(fd); 87 return (-1); /* errno is set for us */ 88 } 89 90 if ((errno = nvlist_pack(nvl, &fmribuf, &fmrisz, 91 NV_ENCODE_NATIVE, 0)) != 0) { 92 fmd_fmri_free(fmribuf, fmrisz); 93 (void) close(fd); 94 return (-1); /* errno is set for us */ 95 } 96 97 mpage.m_fmri = fmribuf; 98 mpage.m_fmrisz = fmrisz; 99 100 if ((rc = ioctl(fd, cmd, &mpage)) < 0) 101 err = errno; 102 103 fmd_fmri_free(fmribuf, fmrisz); 104 105 (void) close(fd); 106 107 if (rc < 0) { 108 errno = err; 109 return (-1); 110 } 111 112 return (0); 113 #endif 114 } 115