1*8d7e7a98SRuslan Bukin /*- 2*8d7e7a98SRuslan Bukin * Copyright (c) 2001 Jake Burkholder <jake@FreeBSD.org> 3*8d7e7a98SRuslan Bukin * All rights reserved. 4*8d7e7a98SRuslan Bukin * 5*8d7e7a98SRuslan Bukin * Redistribution and use in source and binary forms, with or without 6*8d7e7a98SRuslan Bukin * modification, are permitted provided that the following conditions 7*8d7e7a98SRuslan Bukin * are met: 8*8d7e7a98SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 9*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer. 10*8d7e7a98SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 11*8d7e7a98SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 12*8d7e7a98SRuslan Bukin * documentation and/or other materials provided with the distribution. 13*8d7e7a98SRuslan Bukin * 14*8d7e7a98SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15*8d7e7a98SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16*8d7e7a98SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17*8d7e7a98SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18*8d7e7a98SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19*8d7e7a98SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20*8d7e7a98SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21*8d7e7a98SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22*8d7e7a98SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23*8d7e7a98SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24*8d7e7a98SRuslan Bukin * SUCH DAMAGE. 25*8d7e7a98SRuslan Bukin */ 26*8d7e7a98SRuslan Bukin 27*8d7e7a98SRuslan Bukin #ifndef _MACHINE_RUNQ_H_ 28*8d7e7a98SRuslan Bukin #define _MACHINE_RUNQ_H_ 29*8d7e7a98SRuslan Bukin 30*8d7e7a98SRuslan Bukin #define RQB_LEN (1) /* Number of priority status words. */ 31*8d7e7a98SRuslan Bukin #define RQB_L2BPW (6) /* Log2(sizeof(rqb_word_t) * NBBY)). */ 32*8d7e7a98SRuslan Bukin #define RQB_BPW (1<<RQB_L2BPW) /* Bits in an rqb_word_t. */ 33*8d7e7a98SRuslan Bukin 34*8d7e7a98SRuslan Bukin #define RQB_BIT(pri) (1ul << ((pri) & (RQB_BPW - 1))) 35*8d7e7a98SRuslan Bukin #define RQB_WORD(pri) ((pri) >> RQB_L2BPW) 36*8d7e7a98SRuslan Bukin 37*8d7e7a98SRuslan Bukin #define RQB_FFS(word) (ffsl(word) - 1) 38*8d7e7a98SRuslan Bukin 39*8d7e7a98SRuslan Bukin /* 40*8d7e7a98SRuslan Bukin * Type of run queue status word. 41*8d7e7a98SRuslan Bukin */ 42*8d7e7a98SRuslan Bukin typedef unsigned long rqb_word_t; 43*8d7e7a98SRuslan Bukin 44*8d7e7a98SRuslan Bukin #endif 45