/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <core/option.h>
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#include <core/debug.h>
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const char *
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nvkm_stropt(const char *optstr, const char *opt, int *arglen)
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{
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while (optstr && *optstr != '\0') {
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int len = strcspn(optstr, ",=");
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switch (optstr[len]) {
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case '=':
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if (!strncasecmpz(optstr, opt, len)) {
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optstr += len + 1;
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*arglen = strcspn(optstr, ",=");
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return *arglen ? optstr : NULL;
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}
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optstr++;
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break;
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case ',':
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optstr++;
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break;
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default:
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break;
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}
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optstr += len;
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}
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return NULL;
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}
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bool
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nvkm_boolopt(const char *optstr, const char *opt, bool value)
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{
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int arglen;
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optstr = nvkm_stropt(optstr, opt, &arglen);
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if (optstr) {
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if (!strncasecmpz(optstr, "0", arglen) ||
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!strncasecmpz(optstr, "no", arglen) ||
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!strncasecmpz(optstr, "off", arglen) ||
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!strncasecmpz(optstr, "false", arglen))
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value = false;
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else
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if (!strncasecmpz(optstr, "1", arglen) ||
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!strncasecmpz(optstr, "yes", arglen) ||
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!strncasecmpz(optstr, "on", arglen) ||
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!strncasecmpz(optstr, "true", arglen))
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value = true;
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}
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return value;
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}
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long
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nvkm_longopt(const char *optstr, const char *opt, long value)
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{
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long result = value;
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int arglen;
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char *s;
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optstr = nvkm_stropt(optstr, opt, &arglen);
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if (optstr && (s = kstrndup(optstr, arglen, GFP_KERNEL))) {
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int ret = kstrtol(s, 0, &value);
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if (ret == 0)
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result = value;
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kfree(s);
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}
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return result;
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}
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int
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nvkm_dbgopt(const char *optstr, const char *sub)
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{
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int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
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while (optstr) {
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int len = strcspn(optstr, ",=");
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switch (optstr[len]) {
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case '=':
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if (strncasecmpz(optstr, sub, len))
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mode = 0;
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optstr++;
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break;
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default:
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if (mode) {
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if (!strncasecmpz(optstr, "fatal", len))
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level = NV_DBG_FATAL;
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else if (!strncasecmpz(optstr, "error", len))
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level = NV_DBG_ERROR;
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else if (!strncasecmpz(optstr, "warn", len))
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level = NV_DBG_WARN;
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else if (!strncasecmpz(optstr, "info", len))
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level = NV_DBG_INFO;
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else if (!strncasecmpz(optstr, "debug", len))
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level = NV_DBG_DEBUG;
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else if (!strncasecmpz(optstr, "trace", len))
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level = NV_DBG_TRACE;
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else if (!strncasecmpz(optstr, "paranoia", len))
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level = NV_DBG_PARANOIA;
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else if (!strncasecmpz(optstr, "spam", len))
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level = NV_DBG_SPAM;
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}
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if (optstr[len] != '\0') {
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optstr++;
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mode = 1;
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break;
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}
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return level;
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}
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optstr += len;
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}
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return level;
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}
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