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) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24 /*
25 * Copyright (c) 2013, Joyent, Inc. All rights reserved.
26 */
27
28 /*
29 * Layered driver support.
30 */
31
32 #include <sys/atomic.h>
33 #include <sys/types.h>
34 #include <sys/t_lock.h>
35 #include <sys/param.h>
36 #include <sys/conf.h>
37 #include <sys/systm.h>
38 #include <sys/sysmacros.h>
39 #include <sys/buf.h>
40 #include <sys/cred.h>
41 #include <sys/uio.h>
42 #include <sys/vnode.h>
43 #include <sys/fs/snode.h>
44 #include <sys/open.h>
45 #include <sys/kmem.h>
3476 ldi_ev_notify(dev_info_t *dip, minor_t minor, int spec_type,
3477 ldi_ev_cookie_t cookie, void *ev_data)
3478 {
3479 char *evname = ldi_ev_get_type(cookie);
3480 uint_t ct_evtype;
3481 dev_t dev;
3482 major_t major;
3483 int retc;
3484 int retl;
3485
3486 ASSERT(spec_type == S_IFBLK || spec_type == S_IFCHR);
3487 ASSERT(dip);
3488 ASSERT(ldi_native_cookie(cookie));
3489
3490 LDI_EVDBG((CE_NOTE, "ldi_ev_notify(): entered: event=%s, dip=%p",
3491 evname, (void *)dip));
3492
3493 if (!ldi_ev_sync_event(evname)) {
3494 cmn_err(CE_PANIC, "ldi_ev_notify(): %s not a "
3495 "negotiatable event", evname);
3496 return (LDI_EV_SUCCESS);
3497 }
3498
3499 major = ddi_driver_major(dip);
3500 if (major == DDI_MAJOR_T_NONE) {
3501 char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP);
3502 (void) ddi_pathname(dip, path);
3503 cmn_err(CE_WARN, "ldi_ev_notify: cannot derive major number "
3504 "for device %s", path);
3505 kmem_free(path, MAXPATHLEN);
3506 return (LDI_EV_FAILURE);
3507 }
3508 dev = makedevice(major, minor);
3509
3510 /*
3511 * Generate negotiation contract events on contracts (if any) associated
3512 * with this minor.
3513 */
3514 LDI_EVDBG((CE_NOTE, "ldi_ev_notify(): calling contract nego."));
3515 ct_evtype = ldi_contract_event(evname);
3516 retc = contract_device_negotiate(dip, dev, spec_type, ct_evtype);
|
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) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24 /*
25 * Copyright 2019 Joyent, Inc.
26 */
27
28 /*
29 * Layered driver support.
30 */
31
32 #include <sys/atomic.h>
33 #include <sys/types.h>
34 #include <sys/t_lock.h>
35 #include <sys/param.h>
36 #include <sys/conf.h>
37 #include <sys/systm.h>
38 #include <sys/sysmacros.h>
39 #include <sys/buf.h>
40 #include <sys/cred.h>
41 #include <sys/uio.h>
42 #include <sys/vnode.h>
43 #include <sys/fs/snode.h>
44 #include <sys/open.h>
45 #include <sys/kmem.h>
3476 ldi_ev_notify(dev_info_t *dip, minor_t minor, int spec_type,
3477 ldi_ev_cookie_t cookie, void *ev_data)
3478 {
3479 char *evname = ldi_ev_get_type(cookie);
3480 uint_t ct_evtype;
3481 dev_t dev;
3482 major_t major;
3483 int retc;
3484 int retl;
3485
3486 ASSERT(spec_type == S_IFBLK || spec_type == S_IFCHR);
3487 ASSERT(dip);
3488 ASSERT(ldi_native_cookie(cookie));
3489
3490 LDI_EVDBG((CE_NOTE, "ldi_ev_notify(): entered: event=%s, dip=%p",
3491 evname, (void *)dip));
3492
3493 if (!ldi_ev_sync_event(evname)) {
3494 cmn_err(CE_PANIC, "ldi_ev_notify(): %s not a "
3495 "negotiatable event", evname);
3496 }
3497
3498 major = ddi_driver_major(dip);
3499 if (major == DDI_MAJOR_T_NONE) {
3500 char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP);
3501 (void) ddi_pathname(dip, path);
3502 cmn_err(CE_WARN, "ldi_ev_notify: cannot derive major number "
3503 "for device %s", path);
3504 kmem_free(path, MAXPATHLEN);
3505 return (LDI_EV_FAILURE);
3506 }
3507 dev = makedevice(major, minor);
3508
3509 /*
3510 * Generate negotiation contract events on contracts (if any) associated
3511 * with this minor.
3512 */
3513 LDI_EVDBG((CE_NOTE, "ldi_ev_notify(): calling contract nego."));
3514 ct_evtype = ldi_contract_event(evname);
3515 retc = contract_device_negotiate(dip, dev, spec_type, ct_evtype);
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