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/* $NetBSD: dev_verbose.h,v 1.1 2014/09/21 14:30:22 christos Exp $ */
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_DEV_VERBOSE_H_
#define _DEV_DEV_VERBOSE_H_
const char *dev_findvendor(char *, size_t, const char *, size_t,
const uint16_t *, size_t, uint16_t);
const char *dev_findproduct(char *, size_t, const char *, size_t,
const uint16_t *, size_t, uint16_t, uint16_t);
#define DEV_VERBOSE_COMMON_DEFINE(tag) \
static const char * \
tag ## _findvendor_real(char *buf, size_t len, uint16_t vendor) \
{ \
return dev_findvendor(buf, len, tag ## _words, \
__arraycount(tag ## _words), tag ## _vendors, \
__arraycount(tag ## _vendors), vendor); \
} \
\
static const char * \
tag ## _findproduct_real(char *buf, size_t len, uint16_t vendor, \
uint16_t product) \
{ \
return dev_findproduct(buf, len, tag ## _words, \
__arraycount(tag ## _words), tag ## _products, \
__arraycount(tag ## _products), vendor, product); \
} \
#ifdef _KERNEL
#define DEV_VERBOSE_MODULE_DEFINE(tag, deps) \
DEV_VERBOSE_COMMON_DEFINE(tag) \
extern int tag ## verbose_loaded; \
\
static int \
tag ## verbose_modcmd(modcmd_t cmd, void *arg) \
{ \
static const char *(*saved_findvendor)(char *, size_t, \
uint16_t); \
static const char *(*saved_findproduct)(char *, size_t, \
uint16_t, uint16_t); \
\
switch (cmd) { \
case MODULE_CMD_INIT: \
saved_findvendor = tag ## _findvendor; \
saved_findproduct = tag ## _findproduct; \
tag ## _findvendor = tag ## _findvendor_real; \
tag ## _findproduct = tag ## _findproduct_real; \
tag ## verbose_loaded = 1; \
return 0; \
case MODULE_CMD_FINI: \
tag ## _findvendor = saved_findvendor; \
tag ## _findproduct = saved_findproduct; \
tag ## verbose_loaded = 0; \
return 0; \
default: \
return ENOTTY; \
} \
} \
MODULE(MODULE_CLASS_MISC, tag ## verbose, deps)
#endif /* KERNEL */
#define DEV_VERBOSE_DECLARE(tag) \
extern const char * (*tag ## _findvendor)(char *, size_t, uint16_t); \
extern const char * (*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t)
#if defined(_KERNEL)
#define DEV_VERBOSE_DEFINE(tag) \
int tag ## verbose_loaded = 0; \
\
static void \
tag ## _load_verbose(void) \
{ \
\
if (tag ## verbose_loaded == 0) \
module_autoload(# tag "verbose", MODULE_CLASS_MISC); \
} \
\
static const char * \
tag ## _findvendor_stub(char *buf, size_t len, uint16_t vendor) \
{ \
\
tag ## _load_verbose(); \
if (tag ## verbose_loaded) \
return tag ## _findvendor(buf, len, vendor); \
else { \
snprintf(buf, len, "vendor %4.4x", vendor); \
return NULL; \
} \
} \
\
static const char * \
tag ## _findproduct_stub(char *buf, size_t len, uint16_t vendor, \
uint16_t product) \
{ \
\
tag ## _load_verbose(); \
if (tag ## verbose_loaded) \
return tag ## _findproduct(buf, len, vendor, product); \
else { \
snprintf(buf, len, "product %4.4x", product); \
return NULL; \
} \
} \
\
const char *(*tag ## _findvendor)(char *, size_t, uint16_t) = \
tag ## _findvendor_stub; \
const char *(*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t) =\
tag ## _findproduct_stub; \
#else
#define DEV_VERBOSE_DEFINE(tag) \
DEV_VERBOSE_COMMON_DEFINE(tag) \
const char *(*tag ## _findvendor)(char *, size_t, uint16_t) = \
tag ## _findvendor_real; \
const char *(*tag ## _findproduct)(char *, size_t, uint16_t, uint16_t) =\
tag ## _findproduct_real; \
#endif /* _KERNEL */
#endif /* _DEV_DEV_VERBOSE_H_ */
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