| 1 | /*- |
| 2 | * SPDX-License-Identifier: BSD-2-Clause |
| 3 | * |
| 4 | * Copyright (c) 2017, Jeffrey Roberson <jeff@freebsd.org> |
| 5 | * All rights reserved. |
| 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 unmodified, this list of conditions, and the following |
| 12 | * disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _SYS__DOMAINSET_H_ |
| 30 | #define _SYS__DOMAINSET_H_ |
| 31 | |
| 32 | #include <sys/_bitset.h> |
| 33 | |
| 34 | #ifdef _KERNEL |
| 35 | #include <machine/param.h> |
| 36 | |
| 37 | #define DOMAINSET_SETSIZE MAXMEMDOM |
| 38 | #endif |
| 39 | |
| 40 | #define DOMAINSET_MAXSIZE 256 |
| 41 | |
| 42 | #ifndef DOMAINSET_SETSIZE |
| 43 | #define DOMAINSET_SETSIZE DOMAINSET_MAXSIZE |
| 44 | #endif |
| 45 | |
| 46 | __BITSET_DEFINE(_domainset, DOMAINSET_SETSIZE); |
| 47 | typedef struct _domainset domainset_t; |
| 48 | |
| 49 | /* |
| 50 | * This structure is intended to be embedded in objects which have policy |
| 51 | * attributes. Each object keeps its own iterator so round-robin is |
| 52 | * synchronized and accurate. |
| 53 | */ |
| 54 | struct domainset; |
| 55 | struct domainset_ref { |
| 56 | struct domainset * volatile dr_policy; |
| 57 | unsigned int dr_iter; |
| 58 | }; |
| 59 | |
| 60 | #endif /* !_SYS__DOMAINSET_H_ */ |