146 lines
5.0 KiB
C
146 lines
5.0 KiB
C
/* $NetBSD: dev_verbose.h,v 1.2 2015/11/13 01:37:19 christos Exp $ */
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_DEV_VERBOSE_H_
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#define _DEV_DEV_VERBOSE_H_
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const char *dev_findvendor(char *, size_t, const char *, size_t,
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const uint16_t *, size_t, uint16_t);
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const char *dev_findproduct(char *, size_t, const char *, size_t,
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const uint16_t *, size_t, uint16_t, uint16_t);
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#define DEV_VERBOSE_COMMON_DEFINE(tag) \
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static const char * \
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tag ## _findvendor_real(char *buf, size_t len, uint16_t vendor) \
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{ \
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return dev_findvendor(buf, len, tag ## _words, \
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__arraycount(tag ## _words), tag ## _vendors, \
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__arraycount(tag ## _vendors), vendor); \
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} \
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\
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static const char * \
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tag ## _findproduct_real(char *buf, size_t len, uint16_t vendor, \
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uint16_t product) \
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{ \
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return dev_findproduct(buf, len, tag ## _words, \
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__arraycount(tag ## _words), tag ## _products, \
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__arraycount(tag ## _products), vendor, product); \
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} \
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#ifdef _KERNEL
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#define DEV_VERBOSE_MODULE_DEFINE(tag, deps) \
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DEV_VERBOSE_COMMON_DEFINE(tag) \
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extern int tag ## verbose_loaded; \
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\
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static int \
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tag ## verbose_modcmd(modcmd_t cmd, void *arg) \
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{ \
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static const char *(*saved_findvendor)(char *, size_t, \
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uint16_t); \
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static const char *(*saved_findproduct)(char *, size_t, \
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uint16_t, uint16_t); \
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\
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switch (cmd) { \
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case MODULE_CMD_INIT: \
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saved_findvendor = tag ## _findvendor; \
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saved_findproduct = tag ## _findproduct; \
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tag ## _findvendor = tag ## _findvendor_real; \
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tag ## _findproduct = tag ## _findproduct_real; \
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tag ## verbose_loaded = 1; \
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return 0; \
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case MODULE_CMD_FINI: \
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tag ## _findvendor = saved_findvendor; \
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tag ## _findproduct = saved_findproduct; \
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tag ## verbose_loaded = 0; \
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return 0; \
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default: \
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return ENOTTY; \
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} \
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} \
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MODULE(MODULE_CLASS_MISC, tag ## verbose, deps)
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#endif /* KERNEL */
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#define DEV_VERBOSE_DECLARE(tag) \
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extern const char * (*tag ## _findvendor)(char *, size_t, uint16_t); \
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extern const char * (*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t)
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#if defined(_KERNEL)
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#define DEV_VERBOSE_DEFINE(tag) \
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int tag ## verbose_loaded = 0; \
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\
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static void \
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tag ## _load_verbose(void) \
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{ \
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\
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if (tag ## verbose_loaded == 0) \
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module_autoload(# tag "verbose", MODULE_CLASS_MISC); \
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} \
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\
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static const char * \
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tag ## _findvendor_stub(char *buf, size_t len, uint16_t vendor) \
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{ \
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\
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tag ## _load_verbose(); \
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if (tag ## verbose_loaded) \
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return tag ## _findvendor(buf, len, vendor); \
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else { \
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snprintf(buf, len, "vendor %4.4x", vendor); \
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return NULL; \
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} \
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} \
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\
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static const char * \
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tag ## _findproduct_stub(char *buf, size_t len, uint16_t vendor, \
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uint16_t product) \
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{ \
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\
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tag ## _load_verbose(); \
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if (tag ## verbose_loaded) \
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return tag ## _findproduct(buf, len, vendor, product); \
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else { \
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snprintf(buf, len, "product %4.4x", product); \
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return NULL; \
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} \
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} \
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\
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const char *(*tag ## _findvendor)(char *, size_t, uint16_t) = \
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tag ## _findvendor_stub; \
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const char *(*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t) =\
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tag ## _findproduct_stub \
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#else
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#define DEV_VERBOSE_DEFINE(tag) \
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DEV_VERBOSE_COMMON_DEFINE(tag) \
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const char *(*tag ## _findvendor)(char *, size_t, uint16_t) = \
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tag ## _findvendor_real; \
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const char *(*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t) =\
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tag ## _findproduct_real \
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#endif /* _KERNEL */
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#endif /* _DEV_DEV_VERBOSE_H_ */
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