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 /*
23 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 /*
27 * modctl system call for loadable module support.
28 */
29
30 #include <sys/param.h>
31 #include <sys/user.h>
32 #include <sys/systm.h>
33 #include <sys/exec.h>
34 #include <sys/file.h>
35 #include <sys/stat.h>
36 #include <sys/conf.h>
37 #include <sys/time.h>
38 #include <sys/reboot.h>
39 #include <sys/fs/ufs_fsdir.h>
40 #include <sys/kmem.h>
41 #include <sys/sysconf.h>
42 #include <sys/cmn_err.h>
43 #include <sys/ddi.h>
3456 }
3457
3458 /*
3459 * DCS: bootstrapping code. If the driver is loaded
3460 * before root mount, it is assumed that the driver
3461 * may be used before mounting root. In order to
3462 * access mappings of global to local minor no.'s
3463 * during installation/open of the driver, we load
3464 * them into memory here while the BOP_interfaces
3465 * are still up.
3466 */
3467 if ((cluster_bootflags & CLUSTER_BOOTED) && !modrootloaded) {
3468 retval = clboot_modload(mp);
3469 }
3470
3471 kmem_free(modinfop, sizeof (struct modinfo));
3472 (void) mod_sysctl(SYS_SET_MVAR, (void *)mp);
3473 retval = install_stubs_by_name(mp, mp->mod_modname);
3474
3475 /*
3476 * Now that the module is loaded, we need to give DTrace
3477 * a chance to notify its providers. This is done via
3478 * the dtrace_modload function pointer.
3479 */
3480 if (strcmp(mp->mod_modname, "dtrace") != 0) {
3481 struct modctl *dmp = mod_hold_by_name("dtrace");
3482
3483 if (dmp != NULL && dtrace_modload != NULL)
3484 (*dtrace_modload)(mp);
3485
3486 mod_release_mod(dmp);
3487 }
3488
3489 } else {
3490 /*
3491 * If load failed then we need to release any requisites
3492 * that we had established.
3493 */
3494 ASSERT(retval);
3495 mod_release_requisites(mp);
|
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 /*
23 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2017 Joyent, Inc.
25 */
26
27 /*
28 * modctl system call for loadable module support.
29 */
30
31 #include <sys/param.h>
32 #include <sys/user.h>
33 #include <sys/systm.h>
34 #include <sys/exec.h>
35 #include <sys/file.h>
36 #include <sys/stat.h>
37 #include <sys/conf.h>
38 #include <sys/time.h>
39 #include <sys/reboot.h>
40 #include <sys/fs/ufs_fsdir.h>
41 #include <sys/kmem.h>
42 #include <sys/sysconf.h>
43 #include <sys/cmn_err.h>
44 #include <sys/ddi.h>
3457 }
3458
3459 /*
3460 * DCS: bootstrapping code. If the driver is loaded
3461 * before root mount, it is assumed that the driver
3462 * may be used before mounting root. In order to
3463 * access mappings of global to local minor no.'s
3464 * during installation/open of the driver, we load
3465 * them into memory here while the BOP_interfaces
3466 * are still up.
3467 */
3468 if ((cluster_bootflags & CLUSTER_BOOTED) && !modrootloaded) {
3469 retval = clboot_modload(mp);
3470 }
3471
3472 kmem_free(modinfop, sizeof (struct modinfo));
3473 (void) mod_sysctl(SYS_SET_MVAR, (void *)mp);
3474 retval = install_stubs_by_name(mp, mp->mod_modname);
3475
3476 /*
3477 * Perform hotinlines before module is started.
3478 */
3479 do_hotinlines(mp->mod_mp);
3480
3481 /*
3482 * Now that the module is loaded, we need to give DTrace
3483 * a chance to notify its providers. This is done via
3484 * the dtrace_modload function pointer.
3485 */
3486 if (strcmp(mp->mod_modname, "dtrace") != 0) {
3487 struct modctl *dmp = mod_hold_by_name("dtrace");
3488
3489 if (dmp != NULL && dtrace_modload != NULL)
3490 (*dtrace_modload)(mp);
3491
3492 mod_release_mod(dmp);
3493 }
3494
3495 } else {
3496 /*
3497 * If load failed then we need to release any requisites
3498 * that we had established.
3499 */
3500 ASSERT(retval);
3501 mod_release_requisites(mp);
|