xref: /freebsd/sys/dev/hwt/hwt_ownerhash.h (revision df114daef4c48548c3c2b86717612761185ae18f)
1 /*-
2  * Copyright (c) 2023-2025 Ruslan Bukin <br@bsdpad.com>
3  *
4  * This work was supported by Innovate UK project 105694, "Digital Security
5  * by Design (DSbD) Technology Platform Prototype".
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_HWT_HWT_OWNERHASH_H_
30 #define _DEV_HWT_HWT_OWNERHASH_H_
31 
32 struct hwt_owner * hwt_ownerhash_lookup(struct proc *p);
33 void hwt_ownerhash_insert(struct hwt_owner *ho);
34 void hwt_ownerhash_remove(struct hwt_owner *ho);
35 
36 void hwt_ownerhash_load(void);
37 void hwt_ownerhash_unload(void);
38 
39 #define	HWT_OWNERHASH_LOCK()		mtx_lock(&hwt_ownerhash_mtx)
40 #define	HWT_OWNERHASH_UNLOCK()		mtx_unlock(&hwt_ownerhash_mtx)
41 
42 #endif /* !_DEV_HWT_HWT_OWNERHASH_H_ */
43