160727d8bSWarner Losh /*- 2*4d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 371e3c308SPedro F. Giffuni * 4d2ac2316SJake Burkholder * Copyright (c) 2001 Jake Burkholder <jake@FreeBSD.org> 5d2ac2316SJake Burkholder * All rights reserved. 6d2ac2316SJake Burkholder * 7d2ac2316SJake Burkholder * Redistribution and use in source and binary forms, with or without 8d2ac2316SJake Burkholder * modification, are permitted provided that the following conditions 9d2ac2316SJake Burkholder * are met: 10d2ac2316SJake Burkholder * 1. Redistributions of source code must retain the above copyright 11d2ac2316SJake Burkholder * notice, this list of conditions and the following disclaimer. 12d2ac2316SJake Burkholder * 2. Redistributions in binary form must reproduce the above copyright 13d2ac2316SJake Burkholder * notice, this list of conditions and the following disclaimer in the 14d2ac2316SJake Burkholder * documentation and/or other materials provided with the distribution. 15d2ac2316SJake Burkholder * 16d2ac2316SJake Burkholder * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17d2ac2316SJake Burkholder * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18d2ac2316SJake Burkholder * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19d2ac2316SJake Burkholder * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20d2ac2316SJake Burkholder * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21d2ac2316SJake Burkholder * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22d2ac2316SJake Burkholder * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23d2ac2316SJake Burkholder * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24d2ac2316SJake Burkholder * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25d2ac2316SJake Burkholder * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26d2ac2316SJake Burkholder * SUCH DAMAGE. 27d2ac2316SJake Burkholder */ 28d2ac2316SJake Burkholder 29d2ac2316SJake Burkholder #ifndef _MACHINE_RUNQ_H_ 30d2ac2316SJake Burkholder #define _MACHINE_RUNQ_H_ 31d2ac2316SJake Burkholder 32c3e289e1SNathan Whitehorn #ifdef __powerpc64__ 33c3e289e1SNathan Whitehorn #define RQB_LEN (1UL) /* Number of priority status words. */ 34c3e289e1SNathan Whitehorn #define RQB_L2BPW (6UL) /* Log2(sizeof(rqb_word_t) * NBBY)). */ 35c3e289e1SNathan Whitehorn #else 36d2ac2316SJake Burkholder #define RQB_LEN (2) /* Number of priority status words. */ 37d2ac2316SJake Burkholder #define RQB_L2BPW (5) /* Log2(sizeof(rqb_word_t) * NBBY)). */ 38c3e289e1SNathan Whitehorn #endif 39c3e289e1SNathan Whitehorn #define RQB_BPW (1UL<<RQB_L2BPW) /* Bits in an rqb_word_t. */ 40d2ac2316SJake Burkholder 41c3e289e1SNathan Whitehorn #define RQB_BIT(pri) (1UL << ((pri) & (RQB_BPW - 1))) 42d2ac2316SJake Burkholder #define RQB_WORD(pri) ((pri) >> RQB_L2BPW) 43d2ac2316SJake Burkholder 44c3e289e1SNathan Whitehorn #define RQB_FFS(word) (ffsl(word) - 1) 45d2ac2316SJake Burkholder 46d2ac2316SJake Burkholder /* 47d2ac2316SJake Burkholder * Type of run queue status word. 48d2ac2316SJake Burkholder */ 49c3e289e1SNathan Whitehorn #ifdef __powerpc64__ 50c3e289e1SNathan Whitehorn typedef u_int64_t rqb_word_t; 51c3e289e1SNathan Whitehorn #else 52d2ac2316SJake Burkholder typedef u_int32_t rqb_word_t; 53c3e289e1SNathan Whitehorn #endif 54d2ac2316SJake Burkholder 55d2ac2316SJake Burkholder #endif 56