1 /* $NetBSD: nouveau_core_option.c,v 1.1.1.1 2014/08/06 12:36:24 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: nouveau_core_option.c,v 1.1.1.1 2014/08/06 12:36:24 riastradh Exp $");
29
30 #include <core/option.h>
31 #include <core/debug.h>
32
33 const char *
nouveau_stropt(const char * optstr,const char * opt,int * arglen)34 nouveau_stropt(const char *optstr, const char *opt, int *arglen)
35 {
36 while (optstr && *optstr != '\0') {
37 int len = strcspn(optstr, ",=");
38 switch (optstr[len]) {
39 case '=':
40 if (!strncasecmpz(optstr, opt, len)) {
41 optstr += len + 1;
42 *arglen = strcspn(optstr, ",=");
43 return *arglen ? optstr : NULL;
44 }
45 optstr++;
46 break;
47 case ',':
48 optstr++;
49 break;
50 default:
51 break;
52 }
53 optstr += len;
54 }
55
56 return NULL;
57 }
58
59 bool
nouveau_boolopt(const char * optstr,const char * opt,bool value)60 nouveau_boolopt(const char *optstr, const char *opt, bool value)
61 {
62 int arglen;
63
64 optstr = nouveau_stropt(optstr, opt, &arglen);
65 if (optstr) {
66 if (!strncasecmpz(optstr, "0", arglen) ||
67 !strncasecmpz(optstr, "no", arglen) ||
68 !strncasecmpz(optstr, "off", arglen) ||
69 !strncasecmpz(optstr, "false", arglen))
70 value = false;
71 else
72 if (!strncasecmpz(optstr, "1", arglen) ||
73 !strncasecmpz(optstr, "yes", arglen) ||
74 !strncasecmpz(optstr, "on", arglen) ||
75 !strncasecmpz(optstr, "true", arglen))
76 value = true;
77 }
78
79 return value;
80 }
81
82 int
nouveau_dbgopt(const char * optstr,const char * sub)83 nouveau_dbgopt(const char *optstr, const char *sub)
84 {
85 int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
86
87 while (optstr) {
88 int len = strcspn(optstr, ",=");
89 switch (optstr[len]) {
90 case '=':
91 if (strncasecmpz(optstr, sub, len))
92 mode = 0;
93 optstr++;
94 break;
95 default:
96 if (mode) {
97 if (!strncasecmpz(optstr, "fatal", len))
98 level = NV_DBG_FATAL;
99 else if (!strncasecmpz(optstr, "error", len))
100 level = NV_DBG_ERROR;
101 else if (!strncasecmpz(optstr, "warn", len))
102 level = NV_DBG_WARN;
103 else if (!strncasecmpz(optstr, "info", len))
104 level = NV_DBG_INFO_NORMAL;
105 else if (!strncasecmpz(optstr, "debug", len))
106 level = NV_DBG_DEBUG;
107 else if (!strncasecmpz(optstr, "trace", len))
108 level = NV_DBG_TRACE;
109 else if (!strncasecmpz(optstr, "paranoia", len))
110 level = NV_DBG_PARANOIA;
111 else if (!strncasecmpz(optstr, "spam", len))
112 level = NV_DBG_SPAM;
113 }
114
115 if (optstr[len] != '\0') {
116 optstr++;
117 mode = 1;
118 break;
119 }
120
121 return level;
122 }
123 optstr += len;
124 }
125
126 return level;
127 }
128