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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/ctfs.h>
29 #include <sys/contract.h>
30 #include <sys/contract/device.h>
31 #include <errno.h>
32 #include <unistd.h>
33 #include <string.h>
34 #include <libnvpair.h>
35 #include <limits.h>
36 #include <sys/stat.h>
37 #include <libcontract.h>
38 #include "libcontract_impl.h"
39 
40 /*
41  * Device contract template routines
42  */
43 
44 int
ct_dev_tmpl_set_minor(int fd,char * minor)45 ct_dev_tmpl_set_minor(int fd, char *minor)
46 {
47 	return (ct_tmpl_set_internal_string(fd, CTDP_MINOR, minor));
48 }
49 
50 int
ct_dev_tmpl_set_aset(int fd,uint_t aset)51 ct_dev_tmpl_set_aset(int fd, uint_t aset)
52 {
53 	return (ct_tmpl_set_internal(fd, CTDP_ACCEPT, aset));
54 }
55 
56 int
ct_dev_tmpl_set_noneg(int fd)57 ct_dev_tmpl_set_noneg(int fd)
58 {
59 	return (ct_tmpl_set_internal(fd, CTDP_NONEG, CTDP_NONEG_SET));
60 }
61 
62 int
ct_dev_tmpl_clear_noneg(int fd)63 ct_dev_tmpl_clear_noneg(int fd)
64 {
65 	return (ct_tmpl_set_internal(fd, CTDP_NONEG, CTDP_NONEG_CLEAR));
66 }
67 
68 int
ct_dev_tmpl_get_minor(int fd,char * buf,size_t * buflenp)69 ct_dev_tmpl_get_minor(int fd, char *buf, size_t *buflenp)
70 {
71 	int ret = ct_tmpl_get_internal_string(fd, CTDP_MINOR, buf, *buflenp);
72 
73 	if (ret == -1)
74 		return (errno);
75 
76 	if (ret >= *buflenp) {
77 		*buflenp = ret + 1;
78 		return (EOVERFLOW);
79 	}
80 
81 	return (0);
82 }
83 
84 int
ct_dev_tmpl_get_aset(int fd,uint_t * aset)85 ct_dev_tmpl_get_aset(int fd, uint_t *aset)
86 {
87 	return (ct_tmpl_get_internal(fd, CTDP_ACCEPT, aset));
88 }
89 
90 int
ct_dev_tmpl_get_noneg(int fd,uint_t * negp)91 ct_dev_tmpl_get_noneg(int fd, uint_t *negp)
92 {
93 	return (ct_tmpl_get_internal(fd, CTDP_NONEG, negp));
94 }
95 
96 /*
97  * Device contract event routines
98  */
99 
100 /*
101  * No device contract specific event routines
102  */
103 
104 
105 /*
106  * Device contract status routines
107  */
108 
109 int
ct_dev_status_get_aset(ct_stathdl_t stathdl,uint_t * aset)110 ct_dev_status_get_aset(ct_stathdl_t stathdl, uint_t *aset)
111 {
112 	struct ctlib_status_info *info = stathdl;
113 
114 	if (info->status.ctst_type != CTT_DEVICE)
115 		return (EINVAL);
116 
117 	if (info->nvl == NULL)
118 		return (ENOENT);
119 
120 	return (nvlist_lookup_uint32(info->nvl, CTDS_ASET, aset));
121 }
122 
123 int
ct_dev_status_get_noneg(ct_stathdl_t stathdl,uint_t * negp)124 ct_dev_status_get_noneg(ct_stathdl_t stathdl, uint_t *negp)
125 {
126 	struct ctlib_status_info *info = stathdl;
127 
128 	if (info->status.ctst_type != CTT_DEVICE)
129 		return (EINVAL);
130 
131 	if (info->nvl == NULL)
132 		return (ENOENT);
133 
134 	return (nvlist_lookup_uint32(info->nvl, CTDS_NONEG, negp));
135 }
136 
137 int
ct_dev_status_get_dev_state(ct_stathdl_t stathdl,uint_t * statep)138 ct_dev_status_get_dev_state(ct_stathdl_t stathdl, uint_t *statep)
139 {
140 	struct ctlib_status_info *info = stathdl;
141 
142 	if (info->status.ctst_type != CTT_DEVICE)
143 		return (EINVAL);
144 
145 	if (info->nvl == NULL)
146 		return (ENOENT);
147 
148 	return (nvlist_lookup_uint32(info->nvl, CTDS_STATE, statep));
149 }
150 
151 int
ct_dev_status_get_minor(ct_stathdl_t stathdl,char ** bufp)152 ct_dev_status_get_minor(ct_stathdl_t stathdl, char **bufp)
153 {
154 	int error;
155 	struct ctlib_status_info *info = stathdl;
156 
157 	if (bufp == NULL)
158 		return (EINVAL);
159 
160 	if (info->status.ctst_type != CTT_DEVICE)
161 		return (EINVAL);
162 
163 	if (info->nvl == NULL)
164 		return (ENOENT);
165 
166 	error = nvlist_lookup_string(info->nvl, CTDS_MINOR, bufp);
167 	if (error != 0) {
168 		return (error);
169 	}
170 
171 	return (0);
172 }
173