uvm_13.c revision 1.1 1 1.1 christos /* $NetBSD: uvm_13.c,v 1.1 2018/03/15 03:13:51 christos Exp $ */
2 1.1 christos
3 1.1 christos /*-
4 1.1 christos * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 1.1 christos * All rights reserved.
6 1.1 christos *
7 1.1 christos * This code is derived from software contributed to The NetBSD Foundation
8 1.1 christos * by Christos Zoulas.
9 1.1 christos *
10 1.1 christos * Redistribution and use in source and binary forms, with or without
11 1.1 christos * modification, are permitted provided that the following conditions
12 1.1 christos * are met:
13 1.1 christos * 1. Redistributions of source code must retain the above copyright
14 1.1 christos * notice, this list of conditions and the following disclaimer.
15 1.1 christos * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 christos * notice, this list of conditions and the following disclaimer in the
17 1.1 christos * documentation and/or other materials provided with the distribution.
18 1.1 christos *
19 1.1 christos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 christos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 christos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 christos * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 christos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 christos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 christos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 christos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 christos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 christos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 christos * POSSIBILITY OF SUCH DAMAGE.
30 1.1 christos */
31 1.1 christos
32 1.1 christos #include <sys/cdefs.h>
33 1.1 christos __KERNEL_RCSID(0, "$NetBSD: uvm_13.c,v 1.1 2018/03/15 03:13:51 christos Exp $");
34 1.1 christos
35 1.1 christos #if defined(_KERNEL) || defined(_MODULE)
36 1.1 christos #if defined(_KERNEL_OPT)
37 1.1 christos #include "opt_vmswap.h"
38 1.1 christos #else
39 1.1 christos #define VMSWAP /* XXX */
40 1.1 christos #endif
41 1.1 christos #endif
42 1.1 christos
43 1.1 christos #include <sys/param.h>
44 1.1 christos #include <sys/types.h>
45 1.1 christos #include <sys/systm.h>
46 1.1 christos #include <sys/syscallargs.h>
47 1.1 christos #include <sys/swap.h>
48 1.1 christos #include <uvm/uvm.h>
49 1.1 christos #include <uvm/uvm_swap.h>
50 1.1 christos
51 1.1 christos #include <compat/sys/uvm.h>
52 1.1 christos
53 1.1 christos static void
54 1.1 christos swapent13_cvt(void *p, const struct swapent *se)
55 1.1 christos {
56 1.1 christos struct swapent13 *sep13 = p;
57 1.1 christos
58 1.1 christos sep13->se13_dev = se->se_dev;
59 1.1 christos sep13->se13_flags = se->se_flags;
60 1.1 christos sep13->se13_nblks = se->se_nblks;
61 1.1 christos sep13->se13_inuse = se->se_inuse;
62 1.1 christos sep13->se13_priority = se->se_priority;
63 1.1 christos }
64 1.1 christos
65 1.1 christos
66 1.1 christos static int
67 1.1 christos compat_uvm_swap_stats13(const struct sys_swapctl_args *uap, register_t *retval)
68 1.1 christos {
69 1.1 christos return uvm_swap_stats(SCARG(uap, arg), SCARG(uap, misc),
70 1.1 christos swapent13_cvt, sizeof(struct swapent13), retval);
71 1.1 christos
72 1.1 christos }
73 1.1 christos
74 1.1 christos void
75 1.1 christos uvm_13_init(void)
76 1.1 christos {
77 1.1 christos uvm_swap_stats13 = compat_uvm_swap_stats13;
78 1.1 christos }
79 1.1 christos
80 1.1 christos void
81 1.1 christos uvm_13_fini(void)
82 1.1 christos {
83 1.1 christos uvm_swap_stats13 = (void *)enosys;
84 1.1 christos }
85