rumpuser_component.c revision 1.6.2.2
1 1.6.2.2 tls /* $NetBSD: rumpuser_component.c,v 1.6.2.2 2013/06/23 06:21:08 tls Exp $ */ 2 1.6.2.2 tls 3 1.6.2.2 tls /* 4 1.6.2.2 tls * Copyright (c) 2013 Antti Kantee. All Rights Reserved. 5 1.6.2.2 tls * 6 1.6.2.2 tls * Redistribution and use in source and binary forms, with or without 7 1.6.2.2 tls * modification, are permitted provided that the following conditions 8 1.6.2.2 tls * are met: 9 1.6.2.2 tls * 1. Redistributions of source code must retain the above copyright 10 1.6.2.2 tls * notice, this list of conditions and the following disclaimer. 11 1.6.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright 12 1.6.2.2 tls * notice, this list of conditions and the following disclaimer in the 13 1.6.2.2 tls * documentation and/or other materials provided with the distribution. 14 1.6.2.2 tls * 15 1.6.2.2 tls * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 1.6.2.2 tls * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.6.2.2 tls * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.6.2.2 tls * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 1.6.2.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 1.6.2.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.6.2.2 tls * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.6.2.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 1.6.2.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 1.6.2.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 1.6.2.2 tls * SUCH DAMAGE. 26 1.6.2.2 tls */ 27 1.6.2.2 tls 28 1.6.2.2 tls #include "rumpuser_port.h" 29 1.6.2.2 tls 30 1.6.2.2 tls #if !defined(lint) 31 1.6.2.2 tls __RCSID("$NetBSD: rumpuser_component.c,v 1.6.2.2 2013/06/23 06:21:08 tls Exp $"); 32 1.6.2.2 tls #endif /* !lint */ 33 1.6.2.2 tls 34 1.6.2.2 tls #include <stdint.h> 35 1.6.2.2 tls 36 1.6.2.2 tls /* 37 1.6.2.2 tls * These interfaces affect the shlib major/minor; they can be called from 38 1.6.2.2 tls * any program when applicable. The rest of the interfaces provided 39 1.6.2.2 tls * by rumpuser are part of the rump kernel/hypervisor contract and 40 1.6.2.2 tls * are versioned by RUMPUSER_VERSION. 41 1.6.2.2 tls */ 42 1.6.2.2 tls 43 1.6.2.2 tls #include <rump/rumpuser_component.h> 44 1.6.2.2 tls 45 1.6.2.2 tls #include "rumpuser_int.h" 46 1.6.2.2 tls 47 1.6.2.2 tls void * 48 1.6.2.2 tls rumpuser_component_unschedule(void) 49 1.6.2.2 tls { 50 1.6.2.2 tls int nlocks; 51 1.6.2.2 tls 52 1.6.2.2 tls rumpkern_unsched(&nlocks, NULL); 53 1.6.2.2 tls return (void *)(intptr_t)nlocks; 54 1.6.2.2 tls } 55 1.6.2.2 tls 56 1.6.2.2 tls void 57 1.6.2.2 tls rumpuser_component_schedule(void *cookie) 58 1.6.2.2 tls { 59 1.6.2.2 tls int nlocks = (int)(intptr_t)cookie; 60 1.6.2.2 tls 61 1.6.2.2 tls rumpkern_sched(nlocks, NULL); 62 1.6.2.2 tls } 63 1.6.2.2 tls 64 1.6.2.2 tls void 65 1.6.2.2 tls rumpuser_component_kthread(void) 66 1.6.2.2 tls { 67 1.6.2.2 tls 68 1.6.2.2 tls rumpuser__hyp.hyp_schedule(); 69 1.6.2.2 tls rumpuser__hyp.hyp_lwproc_newlwp(0); 70 1.6.2.2 tls rumpuser__hyp.hyp_unschedule(); 71 1.6.2.2 tls } 72 1.6.2.2 tls 73 1.6.2.2 tls struct lwp * 74 1.6.2.2 tls rumpuser_component_curlwp(void) 75 1.6.2.2 tls { 76 1.6.2.2 tls struct lwp *l; 77 1.6.2.2 tls 78 1.6.2.2 tls rumpuser__hyp.hyp_schedule(); 79 1.6.2.2 tls l = rumpuser__hyp.hyp_lwproc_curlwp(); 80 1.6.2.2 tls rumpuser__hyp.hyp_unschedule(); 81 1.6.2.2 tls 82 1.6.2.2 tls return l; 83 1.6.2.2 tls } 84 1.6.2.2 tls 85 1.6.2.2 tls void 86 1.6.2.2 tls rumpuser_component_switchlwp(struct lwp *l) 87 1.6.2.2 tls { 88 1.6.2.2 tls 89 1.6.2.2 tls rumpuser__hyp.hyp_schedule(); 90 1.6.2.2 tls rumpuser__hyp.hyp_lwproc_switch(l); 91 1.6.2.2 tls rumpuser__hyp.hyp_unschedule(); 92 1.6.2.2 tls } 93 1.6.2.2 tls 94 1.6.2.2 tls void 95 1.6.2.2 tls rumpuser_component_kthread_release(void) 96 1.6.2.2 tls { 97 1.6.2.2 tls 98 1.6.2.2 tls rumpuser__hyp.hyp_schedule(); 99 1.6.2.2 tls rumpuser__hyp.hyp_lwproc_release(); 100 1.6.2.2 tls rumpuser__hyp.hyp_unschedule(); 101 1.6.2.2 tls } 102 1.6.2.2 tls 103 1.6.2.2 tls int 104 1.6.2.2 tls rumpuser_component_errtrans(int hosterr) 105 1.6.2.2 tls { 106 1.6.2.2 tls 107 1.6.2.2 tls return rumpuser__errtrans(hosterr); 108 1.6.2.2 tls } 109
Indexes created Wed Oct 01 15:09:59 GMT 2025