1 /* 2 * Copyright (c) 2009 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Alex Hornung <ahornung@gmail.com> 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 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _SYS_DSCHED_H_ 36 #define _SYS_DSCHED_H_ 37 38 #if defined(_KERNEL) 39 40 #ifndef _SYS_QUEUE_H_ 41 #include <sys/queue.h> 42 #endif 43 #ifndef _SYS_BIO_H_ 44 #include <sys/bio.h> 45 #endif 46 #ifndef _SYS_BIOTRACK_H_ 47 #include <sys/biotrack.h> 48 #endif 49 #ifndef _SYS_LOCK_H_ 50 #include <sys/lock.h> 51 #endif 52 #ifndef _SYS_CONF_H_ 53 #include <sys/conf.h> 54 #endif 55 #ifndef _SYS_MSGPORT_H_ 56 #include <sys/msgport.h> 57 #endif 58 #ifndef _SYS_SYSCTL_H_ 59 #include <sys/sysctl.h> 60 #endif 61 #ifndef _SYS_DISK_H_ 62 #include <sys/disk.h> 63 #endif 64 65 #define DSCHED_POLICY_NAME_LENGTH 64 66 67 void dsched_disk_create(struct disk *dp, const char *head_name, int unit); 68 void dsched_disk_update(struct disk *dp, struct disk_info *info); 69 void dsched_disk_destroy(struct disk *dp); 70 71 /* placemarkers for future work */ 72 #define dsched_buf_enter(bp) 73 #define dsched_buf_exit(bp) 74 #define dsched_enter_proc(p) 75 #define dsched_enter_thread(td) 76 #define dsched_exit_proc(p) 77 #define dsched_exit_thread(td) 78 79 #endif /* _KERNEL */ 80 81 #endif /* !_SYS_DSCHED_H_ */ 82