/* $NetBSD: uvm_50.c,v 1.3 2020/09/05 16:30:10 riastradh Exp $ */ /*- * Copyright (c) 2018 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __KERNEL_RCSID(0, "$NetBSD: uvm_50.c,v 1.3 2020/09/05 16:30:10 riastradh Exp $"); #if defined(_KERNEL_OPT) #include "opt_compat_netbsd.h" #endif #if defined(_KERNEL) || defined(_MODULE) #if defined(_KERNEL_OPT) #include "opt_vmswap.h" #else #define VMSWAP /* XXX */ #endif #endif #include <sys/param.h> #include <sys/types.h> #include <sys/systm.h> #include <sys/syscallargs.h> #include <sys/swap.h> #include <uvm/uvm_swap.h> #include <compat/sys/uvm.h> static void swapent50_cvt(void *p, const struct swapent *se) { struct swapent50 *sep50 = p; sep50->se50_dev = se->se_dev; sep50->se50_flags = se->se_flags; sep50->se50_nblks = se->se_nblks; sep50->se50_inuse = se->se_inuse; sep50->se50_priority = se->se_priority; KASSERT(sizeof(se->se_path) <= sizeof(sep50->se50_path)); strcpy(sep50->se50_path, se->se_path); } static int compat_uvm_swap_stats50(const struct sys_swapctl_args *uap, register_t *retval) { return uvm_swap_stats(SCARG(uap, arg), SCARG(uap, misc), swapent50_cvt, sizeof(struct swapent50), retval); } void uvm_50_init(void) { uvm_swap_stats50 = compat_uvm_swap_stats50; } void uvm_50_fini(void) { uvm_swap_stats50 = (void *)enosys; } |