acrn-hypervisor/hypervisor/include/debug/logmsg.h

99 lines
2.1 KiB
C

/*
* Copyright (C) 2018 Intel Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef LOGMSG_H
#define LOGMSG_H
/* Logging severity levels */
#define LOG_FATAL 1
/* For msg should be write to console and sbuf meanwhile but not fatal error */
#define LOG_ACRN 2
#define LOG_ERROR 3
#define LOG_WARNING 4
#define LOG_INFO 5
#define LOG_DEBUG 6
/* Logging flags */
#define LOG_FLAG_STDOUT 0x00000001U
#define LOG_FLAG_MEMORY 0x00000002U
#define LOG_ENTRY_SIZE 80
/* Size of buffer used to store a message being logged,
* should align to LOG_ENTRY_SIZE.
*/
#define LOG_MESSAGE_MAX_SIZE (4 * LOG_ENTRY_SIZE)
#if defined(HV_DEBUG)
extern uint32_t console_loglevel;
extern uint32_t mem_loglevel;
void init_logmsg(uint32_t mem_size, uint32_t flags);
void print_logmsg_buffer(uint32_t cpu_id);
void do_logmsg(uint32_t severity, const char *fmt, ...);
#else /* HV_DEBUG */
static inline void init_logmsg(__unused uint32_t mem_size,
__unused uint32_t flags)
{
}
static inline void do_logmsg(__unused uint32_t severity,
__unused const char *fmt, ...)
{
}
static inline void print_logmsg_buffer(__unused uint32_t cpu_id)
{
}
#endif /* HV_DEBUG */
#ifndef pr_prefix
#define pr_prefix
#endif
#define pr_fatal(...) \
do { \
do_logmsg(LOG_FATAL, pr_prefix __VA_ARGS__); \
} while (0)
#define pr_acrnlog(...) \
do { \
do_logmsg(LOG_ACRN, pr_prefix __VA_ARGS__); \
} while (0)
#define pr_err(...) \
do { \
do_logmsg(LOG_ERROR, pr_prefix __VA_ARGS__); \
} while (0)
#define pr_warn(...) \
do { \
do_logmsg(LOG_WARNING, pr_prefix __VA_ARGS__); \
} while (0)
#define pr_info(...) \
do { \
do_logmsg(LOG_INFO, pr_prefix __VA_ARGS__); \
} while (0)
#define pr_dbg(...) \
do { \
do_logmsg(LOG_DEBUG, pr_prefix __VA_ARGS__); \
} while (0)
#define dev_dbg(lvl, ...) \
do { \
do_logmsg(lvl, pr_prefix __VA_ARGS__); \
} while (0)
#define panic(...) \
do { pr_fatal("PANIC: %s line: %d\n", __func__, __LINE__); \
pr_fatal(__VA_ARGS__); \
while (1) { asm volatile ("pause" ::: "memory"); }; } while (0)
#endif /* LOGMSG_H */