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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/core/option.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core/option.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/option.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/option.c b/drivers/gpu/drm/nouveau/nvkm/core/option.c new file mode 100644 index 000000000..3e62cf8cd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/core/option.c @@ -0,0 +1,139 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ +#include <core/option.h> +#include <core/debug.h> + +const char * +nvkm_stropt(const char *optstr, const char *opt, int *arglen) +{ + while (optstr && *optstr != '\0') { + int len = strcspn(optstr, ",="); + switch (optstr[len]) { + case '=': + if (!strncasecmpz(optstr, opt, len)) { + optstr += len + 1; + *arglen = strcspn(optstr, ",="); + return *arglen ? optstr : NULL; + } + optstr++; + break; + case ',': + optstr++; + break; + default: + break; + } + optstr += len; + } + + return NULL; +} + +bool +nvkm_boolopt(const char *optstr, const char *opt, bool value) +{ + int arglen; + + optstr = nvkm_stropt(optstr, opt, &arglen); + if (optstr) { + if (!strncasecmpz(optstr, "0", arglen) || + !strncasecmpz(optstr, "no", arglen) || + !strncasecmpz(optstr, "off", arglen) || + !strncasecmpz(optstr, "false", arglen)) + value = false; + else + if (!strncasecmpz(optstr, "1", arglen) || + !strncasecmpz(optstr, "yes", arglen) || + !strncasecmpz(optstr, "on", arglen) || + !strncasecmpz(optstr, "true", arglen)) + value = true; + } + + return value; +} + +long +nvkm_longopt(const char *optstr, const char *opt, long value) +{ + long result = value; + int arglen; + char *s; + + optstr = nvkm_stropt(optstr, opt, &arglen); + if (optstr && (s = kstrndup(optstr, arglen, GFP_KERNEL))) { + int ret = kstrtol(s, 0, &value); + if (ret == 0) + result = value; + kfree(s); + } + + return result; +} + +int +nvkm_dbgopt(const char *optstr, const char *sub) +{ + int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT; + + while (optstr) { + int len = strcspn(optstr, ",="); + switch (optstr[len]) { + case '=': + if (strncasecmpz(optstr, sub, len)) + mode = 0; + optstr++; + break; + default: + if (mode) { + if (!strncasecmpz(optstr, "fatal", len)) + level = NV_DBG_FATAL; + else if (!strncasecmpz(optstr, "error", len)) + level = NV_DBG_ERROR; + else if (!strncasecmpz(optstr, "warn", len)) + level = NV_DBG_WARN; + else if (!strncasecmpz(optstr, "info", len)) + level = NV_DBG_INFO; + else if (!strncasecmpz(optstr, "debug", len)) + level = NV_DBG_DEBUG; + else if (!strncasecmpz(optstr, "trace", len)) + level = NV_DBG_TRACE; + else if (!strncasecmpz(optstr, "paranoia", len)) + level = NV_DBG_PARANOIA; + else if (!strncasecmpz(optstr, "spam", len)) + level = NV_DBG_SPAM; + } + + if (optstr[len] != '\0') { + optstr++; + mode = 1; + break; + } + + return level; + } + optstr += len; + } + + return level; +} |