xref: /illumos-gate/usr/src/lib/scsi/plugins/ses/ses2/common/ses2.c (revision 533affcbc7fc4d0c8132976ea454aaa715fe2307)
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 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <scsi/libses.h>
28 #include <scsi/libses_plugin.h>
29 #include <string.h>
30 #include <strings.h>
31 
32 #include "ses2_impl.h"
33 
34 /*
35  * Given an nvlist of properties and an array of property handlers, invoke the
36  * appropriate handler for all supported properties.
37  */
38 int
39 ses2_setprop(ses_plugin_t *sp, ses_node_t *np,
40     const ses2_ctl_prop_t *ctlprops, nvlist_t *props)
41 {
42 	const ses2_ctl_prop_t *cpp;
43 	nvpair_t *nvp, *next;
44 
45 	for (nvp = nvlist_next_nvpair(props, NULL); nvp != NULL;
46 	    nvp = next) {
47 		next = nvlist_next_nvpair(props, nvp);
48 		for (cpp = ctlprops; cpp->scp_name != NULL; cpp++)
49 			if (strcmp(cpp->scp_name, nvpair_name(nvp)) == 0)
50 				break;
51 		if (cpp->scp_name == NULL)
52 			continue;
53 
54 		if (cpp->scp_setprop(sp, np, cpp->scp_num, nvp) != 0)
55 			return (-1);
56 
57 		(void) nvlist_remove(props, nvpair_name(nvp),
58 		    nvpair_type(nvp));
59 	}
60 
61 	return (0);
62 }
63 
64 int
65 ses2_ctl_common_setprop(ses_plugin_t *sp, ses_node_t *np, ses2_diag_page_t page,
66     nvpair_t *nvp)
67 {
68 	ses2_cmn_elem_ctl_impl_t *eip;
69 	const char *name;
70 	boolean_t v;
71 
72 	ASSERT(page == SES2_DIAGPAGE_ENCLOSURE_CTL_STATUS);
73 
74 	if ((eip = ses_plugin_ctlpage_lookup(sp, ses_node_snapshot(np),
75 	    page, 0, np, B_FALSE)) == NULL)
76 		return (-1);
77 
78 	name = nvpair_name(nvp);
79 	(void) nvpair_value_boolean_value(nvp, &v);
80 
81 	if (strcmp(name, SES_PROP_SWAP) == 0)
82 		eip->seci_rst_swap = !v;
83 	else if (strcmp(name, SES_PROP_DISABLED) == 0)
84 		eip->seci_disable = v;
85 	else if (strcmp(name, SES_PROP_PRDFAIL) == 0)
86 		eip->seci_prdfail = v;
87 	else
88 		ses_panic("Bad property %s", name);
89 
90 	return (0);
91 }
92 
93 static int
94 ses2_node_parse(ses_plugin_t *sp, ses_node_t *np)
95 {
96 	switch (ses_node_type(np)) {
97 	case SES_NODE_ENCLOSURE:
98 		return (ses2_fill_enclosure_node(sp, np));
99 
100 	case SES_NODE_AGGREGATE:
101 	case SES_NODE_ELEMENT:
102 		return (ses2_fill_element_node(sp, np));
103 
104 	default:
105 		return (0);
106 	}
107 }
108 
109 static int
110 ses2_node_ctl(ses_plugin_t *sp, ses_node_t *np, const char *op,
111     nvlist_t *nvl)
112 {
113 	switch (ses_node_type(np)) {
114 	case SES_NODE_ENCLOSURE:
115 		return (ses2_enclosure_ctl(sp, np, op, nvl));
116 
117 	case SES_NODE_AGGREGATE:
118 	case SES_NODE_ELEMENT:
119 		return (ses2_element_ctl(sp, np, op, nvl));
120 	}
121 
122 	return (0);
123 }
124 
125 int
126 _ses_init(ses_plugin_t *sp)
127 {
128 	ses_plugin_config_t config = {
129 		.spc_pages = ses2_pages,
130 		.spc_node_parse = ses2_node_parse,
131 		.spc_node_ctl = ses2_node_ctl
132 	};
133 
134 	return (ses_plugin_register(sp, LIBSES_PLUGIN_VERSION,
135 	    &config) != 0);
136 }
137