1/*- 2 * Copyright (c) 2012 Gleb Smirnoff <glebius@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29#ifndef __SYS_COUNTER_H__ 30#define __SYS_COUNTER_H__ 31 32typedef uint64_t *counter_u64_t; 33 34#include <machine/counter.h> 35 36counter_u64_t counter_u64_alloc(int); 37void counter_u64_free(counter_u64_t); 38 39void counter_u64_zero(counter_u64_t); 40uint64_t counter_u64_fetch(counter_u64_t); 41 42#define COUNTER_ARRAY_ALLOC(a, n, wait) do { \ 43 for (int i = 0; i < (n); i++) \ 44 (a)[i] = counter_u64_alloc(wait); \ 45} while (0) 46 47#define COUNTER_ARRAY_FREE(a, n) do { \ 48 for (int i = 0; i < (n); i++) \ 49 counter_u64_free((a)[i]); \ 50} while (0) 51 52#define COUNTER_ARRAY_COPY(a, dstp, n) do { \ 53 for (int i = 0; i < (n); i++) \ 54 ((uint64_t *)(dstp))[i] = counter_u64_fetch((a)[i]);\ 55} while (0) 56 57#define COUNTER_ARRAY_ZERO(a, n) do { \ 58 for (int i = 0; i < (n); i++) \ 59 counter_u64_zero((a)[i]); \ 60} while (0) 61#endif /* ! __SYS_COUNTER_H__ */ 62