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9274f4a9 BS |
1 | /* |
2 | * Copyright 2012 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Ben Skeggs | |
23 | */ | |
5b8a43ae | 24 | #include <core/option.h> |
9274f4a9 BS |
25 | #include <core/debug.h> |
26 | ||
9274f4a9 | 27 | const char * |
5025407b | 28 | nvkm_stropt(const char *optstr, const char *opt, int *arglen) |
9274f4a9 BS |
29 | { |
30 | while (optstr && *optstr != '\0') { | |
31 | int len = strcspn(optstr, ",="); | |
32 | switch (optstr[len]) { | |
33 | case '=': | |
34 | if (!strncasecmpz(optstr, opt, len)) { | |
35 | optstr += len + 1; | |
36 | *arglen = strcspn(optstr, ",="); | |
37 | return *arglen ? optstr : NULL; | |
38 | } | |
39 | optstr++; | |
40 | break; | |
41 | case ',': | |
42 | optstr++; | |
43 | break; | |
44 | default: | |
45 | break; | |
46 | } | |
47 | optstr += len; | |
48 | } | |
49 | ||
50 | return NULL; | |
51 | } | |
52 | ||
53 | bool | |
5025407b | 54 | nvkm_boolopt(const char *optstr, const char *opt, bool value) |
9274f4a9 BS |
55 | { |
56 | int arglen; | |
57 | ||
5025407b | 58 | optstr = nvkm_stropt(optstr, opt, &arglen); |
9274f4a9 BS |
59 | if (optstr) { |
60 | if (!strncasecmpz(optstr, "0", arglen) || | |
61 | !strncasecmpz(optstr, "no", arglen) || | |
62 | !strncasecmpz(optstr, "off", arglen) || | |
63 | !strncasecmpz(optstr, "false", arglen)) | |
64 | value = false; | |
65 | else | |
66 | if (!strncasecmpz(optstr, "1", arglen) || | |
67 | !strncasecmpz(optstr, "yes", arglen) || | |
68 | !strncasecmpz(optstr, "on", arglen) || | |
69 | !strncasecmpz(optstr, "true", arglen)) | |
70 | value = true; | |
71 | } | |
72 | ||
73 | return value; | |
74 | } | |
75 | ||
340b0e7c BS |
76 | long |
77 | nvkm_longopt(const char *optstr, const char *opt, long value) | |
78 | { | |
79 | long result = value; | |
80 | int arglen; | |
81 | char *s; | |
82 | ||
83 | optstr = nvkm_stropt(optstr, opt, &arglen); | |
84 | if (optstr && (s = kstrndup(optstr, arglen, GFP_KERNEL))) { | |
85 | int ret = kstrtol(s, 0, &value); | |
86 | if (ret == 0) | |
87 | result = value; | |
88 | kfree(s); | |
89 | } | |
90 | ||
91 | return result; | |
92 | } | |
93 | ||
9274f4a9 | 94 | int |
5025407b | 95 | nvkm_dbgopt(const char *optstr, const char *sub) |
9274f4a9 BS |
96 | { |
97 | int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT; | |
98 | ||
99 | while (optstr) { | |
100 | int len = strcspn(optstr, ",="); | |
101 | switch (optstr[len]) { | |
102 | case '=': | |
103 | if (strncasecmpz(optstr, sub, len)) | |
104 | mode = 0; | |
105 | optstr++; | |
106 | break; | |
107 | default: | |
108 | if (mode) { | |
109 | if (!strncasecmpz(optstr, "fatal", len)) | |
110 | level = NV_DBG_FATAL; | |
111 | else if (!strncasecmpz(optstr, "error", len)) | |
112 | level = NV_DBG_ERROR; | |
113 | else if (!strncasecmpz(optstr, "warn", len)) | |
114 | level = NV_DBG_WARN; | |
115 | else if (!strncasecmpz(optstr, "info", len)) | |
53003941 | 116 | level = NV_DBG_INFO; |
9274f4a9 BS |
117 | else if (!strncasecmpz(optstr, "debug", len)) |
118 | level = NV_DBG_DEBUG; | |
119 | else if (!strncasecmpz(optstr, "trace", len)) | |
120 | level = NV_DBG_TRACE; | |
121 | else if (!strncasecmpz(optstr, "paranoia", len)) | |
122 | level = NV_DBG_PARANOIA; | |
123 | else if (!strncasecmpz(optstr, "spam", len)) | |
124 | level = NV_DBG_SPAM; | |
125 | } | |
126 | ||
127 | if (optstr[len] != '\0') { | |
128 | optstr++; | |
129 | mode = 1; | |
130 | break; | |
131 | } | |
132 | ||
133 | return level; | |
134 | } | |
135 | optstr += len; | |
136 | } | |
137 | ||
138 | return level; | |
139 | } |