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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24 /*
25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
26 */
27
28
29 #include <sys/types.h>
30 #include <sys/file.h>
31 #include <sys/errno.h>
32 #include <sys/open.h>
33 #include <sys/cred.h>
34 #include <sys/conf.h>
35 #include <sys/stat.h>
36 #include <sys/processor.h>
37 #include <sys/cpuvar.h>
38 #include <sys/kmem.h>
39 #include <sys/modctl.h>
40 #include <sys/ddi.h>
41 #include <sys/sunddi.h>
42
43 #include <sys/auxv.h>
44 #include <sys/cpuid_drv.h>
45 #include <sys/systeminfo.h>
46
47 #if defined(__x86)
48 #include <sys/x86_archext.h>
49 #endif
50
51 static dev_info_t *cpuid_devi;
52
53 /*ARGSUSED*/
54 static int
55 cpuid_getinfo(dev_info_t *devi, ddi_info_cmd_t cmd, void *arg, void **result)
56 {
57 switch (cmd) {
58 case DDI_INFO_DEVT2DEVINFO:
59 case DDI_INFO_DEVT2INSTANCE:
60 break;
61 default:
166 areq[sizeof (areq) - 1] = '\0';
167
168 if (strcmp(areq, architecture) == 0) {
169 STRUCT_FSET(h, cgh_hwcap[0], auxv_hwcap);
170 STRUCT_FSET(h, cgh_hwcap[1], auxv_hwcap_2);
171 #if defined(_SYSCALL32_IMPL)
172 } else if (strcmp(areq, architecture_32) == 0) {
173 STRUCT_FSET(h, cgh_hwcap[0], auxv_hwcap32);
174 STRUCT_FSET(h, cgh_hwcap[1], auxv_hwcap32_2);
175 #endif
176 } else {
177 STRUCT_FSET(h, cgh_hwcap[0], 0);
178 STRUCT_FSET(h, cgh_hwcap[1], 0);
179 }
180 if (ddi_copyout(STRUCT_BUF(h),
181 (void *)arg, STRUCT_SIZE(h), mode))
182 return (EFAULT);
183 return (0);
184 }
185
186 default:
187 return (ENOTTY);
188 }
189 }
190
191 static struct cb_ops cpuid_cb_ops = {
192 cpuid_open,
193 nulldev, /* close */
194 nodev, /* strategy */
195 nodev, /* print */
196 nodev, /* dump */
197 cpuid_read,
198 nodev, /* write */
199 cpuid_ioctl,
200 nodev, /* devmap */
201 nodev, /* mmap */
202 nodev, /* segmap */
203 nochpoll, /* poll */
204 ddi_prop_op,
205 NULL,
|
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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24 /*
25 * Copyright 2019 Joyent, Inc.
26 */
27
28
29 #include <sys/types.h>
30 #include <sys/file.h>
31 #include <sys/errno.h>
32 #include <sys/open.h>
33 #include <sys/cred.h>
34 #include <sys/conf.h>
35 #include <sys/stat.h>
36 #include <sys/processor.h>
37 #include <sys/cpuvar.h>
38 #include <sys/kmem.h>
39 #include <sys/modctl.h>
40 #include <sys/ddi.h>
41 #include <sys/sunddi.h>
42 #include <sys/policy.h>
43
44 #include <sys/auxv.h>
45 #include <sys/cpuid_drv.h>
46 #include <sys/systeminfo.h>
47
48 #if defined(__x86)
49 #include <sys/x86_archext.h>
50 #endif
51
52 static dev_info_t *cpuid_devi;
53
54 /*ARGSUSED*/
55 static int
56 cpuid_getinfo(dev_info_t *devi, ddi_info_cmd_t cmd, void *arg, void **result)
57 {
58 switch (cmd) {
59 case DDI_INFO_DEVT2DEVINFO:
60 case DDI_INFO_DEVT2INSTANCE:
61 break;
62 default:
167 areq[sizeof (areq) - 1] = '\0';
168
169 if (strcmp(areq, architecture) == 0) {
170 STRUCT_FSET(h, cgh_hwcap[0], auxv_hwcap);
171 STRUCT_FSET(h, cgh_hwcap[1], auxv_hwcap_2);
172 #if defined(_SYSCALL32_IMPL)
173 } else if (strcmp(areq, architecture_32) == 0) {
174 STRUCT_FSET(h, cgh_hwcap[0], auxv_hwcap32);
175 STRUCT_FSET(h, cgh_hwcap[1], auxv_hwcap32_2);
176 #endif
177 } else {
178 STRUCT_FSET(h, cgh_hwcap[0], 0);
179 STRUCT_FSET(h, cgh_hwcap[1], 0);
180 }
181 if (ddi_copyout(STRUCT_BUF(h),
182 (void *)arg, STRUCT_SIZE(h), mode))
183 return (EFAULT);
184 return (0);
185 }
186
187 #ifdef __x86
188 case CPUID_RDMSR: {
189 struct cpuid_rdmsr crm = { 0, };
190 label_t label;
191
192 if (secpolicy_sys_config(cr, B_FALSE) != 0)
193 return (EPERM);
194
195 if (ddi_copyin((void *)arg, &crm, sizeof (crm), mode))
196 return (EFAULT);
197
198 kpreempt_disable();
199
200 if (on_fault(&label)) {
201 kpreempt_enable();
202 return (ENOENT);
203 }
204
205 crm.cr_msr_val = rdmsr(crm.cr_msr_nr);
206
207 no_fault();
208 kpreempt_enable();
209
210 if (ddi_copyout(&crm, (void *)arg, sizeof (crm), mode))
211 return (EFAULT);
212 return (0);
213 }
214 #endif
215
216 default:
217 return (ENOTTY);
218 }
219 }
220
221 static struct cb_ops cpuid_cb_ops = {
222 cpuid_open,
223 nulldev, /* close */
224 nodev, /* strategy */
225 nodev, /* print */
226 nodev, /* dump */
227 cpuid_read,
228 nodev, /* write */
229 cpuid_ioctl,
230 nodev, /* devmap */
231 nodev, /* mmap */
232 nodev, /* segmap */
233 nochpoll, /* poll */
234 ddi_prop_op,
235 NULL,
|