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 2002 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 <stdlib.h> 30 #include <unistd.h> 31 #include <errno.h> 32 #include <sys/types.h> 33 #include <sys/mman.h> 34 #include "libproc.h" 35 #include "Pcontrol.h" 36 #include "Putil.h" 37 38 39 int 40 pr_meminfo(struct ps_prochandle *Pr, const uint64_t *addrs, 41 int addr_count, const uint_t *info, int info_count, 42 uint64_t *outdata, uint_t *validity) 43 { 44 45 46 int error; 47 sysret_t rval; 48 argdes_t argd[7]; 49 argdes_t *adp = &argd[0]; 50 struct meminfo m; 51 #ifdef _LP64 52 struct meminfo32 m32; 53 int model; 54 #endif 55 int retval = -1; 56 uintptr_t inaddr, infoaddr, outaddr, validityaddr; 57 size_t outarraysize, infoarraysize; 58 size_t inarraysize, validityarraysize; 59 size_t totalsize; 60 char *totalmap = MAP_FAILED; 61 62 inarraysize = addr_count * sizeof (uint64_t); 63 outarraysize = sizeof (uint64_t) * addr_count * info_count; 64 infoarraysize = info_count * sizeof (uint_t); 65 validityarraysize = sizeof (uint_t) * addr_count; 66 67 68 totalsize = inarraysize + outarraysize + infoarraysize + 69 validityarraysize; 70 71 if ((totalmap = pr_zmap(Pr, 0, totalsize, PROT_READ | PROT_WRITE, 72 MAP_PRIVATE)) == MAP_FAILED) { 73 dprintf("pr_meminfo: mmap failed\n"); 74 goto out; 75 } 76 77 inaddr = (uintptr_t)totalmap; 78 79 outaddr = inaddr + inarraysize; 80 81 infoaddr = outaddr + outarraysize; 82 83 validityaddr = infoaddr + infoarraysize; 84 85 if (Pwrite(Pr, addrs, inarraysize, inaddr) != inarraysize) { 86 dprintf("pr_meminfo: Pwrite inaddr failed \n"); 87 goto out; 88 } 89 90 if (Pwrite(Pr, info, infoarraysize, infoaddr) != 91 infoarraysize) { 92 dprintf("pr_meminfo: Pwrite info failed \n"); 93 goto out; 94 } 95 96 #ifdef _LP64 97 model = Pr->status.pr_dmodel; 98 if (model == PR_MODEL_ILP32) { 99 m32.mi_info_count = info_count; 100 m32.mi_inaddr = (caddr32_t)inaddr; 101 m32.mi_outdata = (caddr32_t)outaddr; 102 m32.mi_info_req = (caddr32_t)infoaddr; 103 m32.mi_validity = (caddr32_t)validityaddr; 104 } else 105 #endif 106 { 107 m.mi_info_count = info_count; 108 m.mi_inaddr = (uint64_t *)inaddr; 109 m.mi_outdata = (uint64_t *)outaddr; 110 m.mi_info_req = (uint_t *)infoaddr; 111 m.mi_validity = (uint_t *)validityaddr; 112 } 113 114 115 /* 116 * initial command 117 */ 118 119 adp->arg_value = MISYS_MEMINFO; 120 adp->arg_object = NULL; 121 adp->arg_type = AT_BYVAL; 122 adp->arg_inout = AI_INPUT; 123 adp->arg_size = 0; 124 adp++; 125 126 /* 127 * length of input address vector 128 */ 129 130 adp->arg_value = addr_count; 131 adp->arg_object = NULL; 132 adp->arg_type = AT_BYVAL; 133 adp->arg_inout = AI_INPUT; 134 adp->arg_size = 0; 135 adp++; 136 137 /* 138 * information wanted vector 139 */ 140 141 adp->arg_value = 0; 142 #ifdef _LP64 143 if (model == PR_MODEL_ILP32) { 144 adp->arg_object = &m32; 145 adp->arg_size = sizeof (struct meminfo32); 146 } else 147 #endif 148 { 149 adp->arg_object = &m; 150 adp->arg_size = sizeof (struct meminfo); 151 } 152 adp->arg_type = AT_BYREF; 153 adp->arg_inout = AI_INPUT; 154 155 156 error = Psyscall(Pr, &rval, SYS_meminfosys, 3, &argd[0]); 157 158 if (error) { 159 errno = (error > 0) ? error: ENOSYS; 160 goto out; 161 } 162 163 /* syscall was successful, copy out the data */ 164 165 if ((Pread(Pr, outdata, outarraysize, outaddr)) != outarraysize) { 166 dprintf("pr_meminfo: Pread of outarray failed\n"); 167 goto out; 168 } 169 170 if (Pread(Pr, validity, validityarraysize, validityaddr) 171 != validityarraysize) { 172 dprintf("pr_meminfo: Pread of validity array failed\n"); 173 goto out; 174 } 175 176 retval = rval.sys_rval1; 177 178 out: 179 180 if (totalmap != MAP_FAILED && 181 pr_munmap(Pr, totalmap, totalsize) == -1) { 182 dprintf("pr_meminfo: munmap failed\n"); 183 retval = -1; 184 } 185 186 return (retval); 187 188 } 189