1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * This file contains interface code to the kernel.
28 */
29
30 /* LINTLIBRARY */
31
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/errno.h>
35 #include <sys/kmem.h>
36 #include <sys/ksynch.h>
37 #include <sys/cmn_err.h>
38 #include <sys/uio.h>
39 #include <sys/conf.h>
40 #include <sys/ddi.h>
41
42 #include <sys/nsctl/nsctl.h>
43 #include "nsc_list.h"
44
45 /*
46 * _nsc_init_start
47 *
48 * ARGUMENTS:
49 *
50 * RETURNS:
51 *
52 * USAGE:
53 *
54 * CALLED BY:
55 */
56 void
_nsc_init_start(void)57 _nsc_init_start(void)
58 {
59 }
60
61 /*
62 * _nsc_init_os -
63 *
64 * ARGUMENTS:
65 *
66 * RETURNS:
67 *
68 * USAGE:
69 *
70 * CALLED BY:
71 */
72 void
_nsc_init_os(void)73 _nsc_init_os(void)
74 {
75 }
76
77 /*
78 * _nsc_deinit_os -
79 *
80 * ARGUMENTS:
81 *
82 * RETURNS:
83 *
84 * USAGE:
85 *
86 * CALLED BY:
87 */
88 void
_nsc_deinit_os(void)89 _nsc_deinit_os(void)
90 {
91 }
92
93 /* dummy routine unless RMS/MC is really running */
94 void
_nsc_self_alive()95 _nsc_self_alive()
96 {
97 }
98
99 /*
100 * Check other nodes: checks for the heart_beat of other nodes and decides
101 * if a node that was up went down... or a node that was down is now
102 * up. Events NODE_UP and NODE_DOWN are posted to myself (this node)
103 * Any processing that happens in these event handlers SHOULD abide by
104 * the health monitor rules for the health monitor to work correctly.
105 * If excessive computation during these events is required, consider the
106 * possibility of forking of a process OR breaking up the computation into
107 * smaller parts, and making sure that we call "SELF_ALIVE()" "often".
108 * This is not the suggested mechanism, but there are times when we need it.
109 */
110
111 void
_nsc_check_other_nodes()112 _nsc_check_other_nodes()
113 {
114 }
115
116 /*
117 * Is our partner active ? (Should never block)
118 */
119 int
alternate_health_hbeat()120 alternate_health_hbeat()
121 {
122 return (0);
123 }
124
125
126 static int
mark_rm_pages_to_dump(addr,size,dump)127 mark_rm_pages_to_dump(addr, size, dump)
128 caddr_t addr;
129 int size, dump;
130 {
131 return (0);
132 }
133
134
135 void
_nsc_mark_pages(caddr_t addr,size_t size,int dump)136 _nsc_mark_pages(caddr_t addr, size_t size, int dump)
137 {
138 if (mark_rm_pages_to_dump(addr, (int)size, dump) < 0)
139 cmn_err(CE_WARN, "_nsc_mark_pages: %s failed - 0x%p size %d",
140 (dump ? "mark" : "unmark"), addr, (int)size);
141 }
142