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/**************************************************************************
*
* Copyright (C) 2019 Chromium.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*
**************************************************************************/
#ifndef VIRGL_UTIL_H
#define VIRGL_UTIL_H
#include <stdint.h>
#include <stdbool.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define TRACE_WITH_PERFETTO 1
#define TRACE_WITH_STDERR 2
#define TRACE_WITH_PERCETTO 3
#define BIT(n) (UINT32_C(1) << (n))
static inline bool has_bit(uint32_t mask, uint32_t bit)
{
return !!(mask & bit);
}
static inline bool has_bits(uint32_t mask, uint32_t bits)
{
return !!((mask & bits) == bits);
}
static inline bool is_only_bit(uint32_t mask, uint32_t bit)
{
return (mask == bit);
}
unsigned hash_func_u32(void *key);
int compare_func(void *key1, void *key2);
bool has_eventfd(void);
int create_eventfd(unsigned int initval);
int write_eventfd(int fd, uint64_t val);
void flush_eventfd(int fd);
#ifdef ENABLE_TRACING
void trace_init(void);
#define TRACE_INIT() trace_init()
#define TRACE_FUNC() TRACE_SCOPE(__func__)
#if ENABLE_TRACING == TRACE_WITH_PERCETTO
#include <percetto.h>
#define VIRGL_PERCETTO_CATEGORIES(C, G) \
C(virgl, "virglrenderer") \
C(virgls, "virglrenderer detailed events", "slow")
PERCETTO_CATEGORY_DECLARE(VIRGL_PERCETTO_CATEGORIES)
#define TRACE_SCOPE(SCOPE) TRACE_EVENT(virgl, SCOPE)
/* Trace high frequency events (tracing may impact performance). */
#define TRACE_SCOPE_SLOW(SCOPE) TRACE_EVENT(virgls, SCOPE)
#else
const char *trace_begin(const char *scope);
void trace_end(const char **scope);
#define TRACE_SCOPE(SCOPE) \
const char *trace_dummy __attribute__((cleanup (trace_end), unused)) = \
trace_begin(SCOPE)
#define TRACE_SCOPE_SLOW(SCOPE) TRACE_SCOPE(SCOPE)
#endif /* ENABLE_TRACING == TRACE_WITH_PERCETTO */
#else
#define TRACE_INIT()
#define TRACE_FUNC()
#define TRACE_SCOPE(SCOPE)
#define TRACE_SCOPE_SLOW(SCOPE)
#endif /* ENABLE_TRACING */
#endif /* VIRGL_UTIL_H */
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