18d7e7a98SRuslan Bukin /*- 28d7e7a98SRuslan Bukin * Copyright (c) 2001 Jake Burkholder <jake@FreeBSD.org> 38d7e7a98SRuslan Bukin * All rights reserved. 48d7e7a98SRuslan Bukin * 58d7e7a98SRuslan Bukin * Redistribution and use in source and binary forms, with or without 68d7e7a98SRuslan Bukin * modification, are permitted provided that the following conditions 78d7e7a98SRuslan Bukin * are met: 88d7e7a98SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 98d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer. 108d7e7a98SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 118d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 128d7e7a98SRuslan Bukin * documentation and/or other materials provided with the distribution. 138d7e7a98SRuslan Bukin * 148d7e7a98SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 158d7e7a98SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 168d7e7a98SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 178d7e7a98SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 188d7e7a98SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 198d7e7a98SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 208d7e7a98SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 218d7e7a98SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 228d7e7a98SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 238d7e7a98SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 248d7e7a98SRuslan Bukin * SUCH DAMAGE. 258d7e7a98SRuslan Bukin */ 268d7e7a98SRuslan Bukin 278d7e7a98SRuslan Bukin #ifndef _MACHINE_RUNQ_H_ 288d7e7a98SRuslan Bukin #define _MACHINE_RUNQ_H_ 298d7e7a98SRuslan Bukin 308d7e7a98SRuslan Bukin #define RQB_LEN (1) /* Number of priority status words. */ 318d7e7a98SRuslan Bukin #define RQB_L2BPW (6) /* Log2(sizeof(rqb_word_t) * NBBY)). */ 328d7e7a98SRuslan Bukin #define RQB_BPW (1<<RQB_L2BPW) /* Bits in an rqb_word_t. */ 338d7e7a98SRuslan Bukin 348d7e7a98SRuslan Bukin #define RQB_BIT(pri) (1ul << ((pri) & (RQB_BPW - 1))) 358d7e7a98SRuslan Bukin #define RQB_WORD(pri) ((pri) >> RQB_L2BPW) 368d7e7a98SRuslan Bukin 378d7e7a98SRuslan Bukin #define RQB_FFS(word) (ffsl(word) - 1) 388d7e7a98SRuslan Bukin 398d7e7a98SRuslan Bukin /* 408d7e7a98SRuslan Bukin * Type of run queue status word. 418d7e7a98SRuslan Bukin */ 428d7e7a98SRuslan Bukin typedef unsigned long rqb_word_t; 438d7e7a98SRuslan Bukin 448d7e7a98SRuslan Bukin #endif 45