text: /*
   * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
   *
   * 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.
   */
  
  #include <nvgpu/log.h>
  #include <nvgpu/types.h>
  
  #include <nvgpu/gk20a.h>
  
  /*
   * Define a length for log buffers. This is the buffer that the 'fmt, ...' part
   * of __nvgpu_do_log_print() prints into.
   */
  #define LOG_BUFFER_LENGTH	160
  
  /*
   * Keep this roughly the same as the kernel log format.
   */
  #define LOG_FMT			"nvgpu: %s %33s:%-4d [%-4s]  %s\n"
  
  u64 nvgpu_dbg_mask = NVGPU_DEFAULT_DBG_MASK;
  
  static const char *log_types[] = {
  	"ERR",
  	"WRN",
  	"DBG",
  	"INFO",
  };
  
  static inline const char *nvgpu_log_name(struct gk20a *g)
  {
  	return "gpu.USS";
  }
  
  static void __nvgpu_really_print_log(const char *gpu_name,
  				     const char *func_name, int line,
  				     enum nvgpu_log_type type, const char *log)
  {
  	const char *name = gpu_name ? gpu_name : "";
  	const char *log_type = log_types[type];
  
  	printf(LOG_FMT, name, func_name, line, log_type, log);
  }
  
  __attribute__((format (printf, 5, 6)))
  void __nvgpu_log_msg(struct gk20a *g, const char *func_name, int line,
  		     enum nvgpu_log_type type, const char *fmt, ...)
  {
  	char log[LOG_BUFFER_LENGTH];
  	va_list args;
  
  	va_start(args, fmt);
  	vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
  	va_end(args);
  
  	__nvgpu_really_print_log(nvgpu_log_name(g),
  				 func_name, line, type, log);
  }
  
  __attribute__((format (printf, 5, 6)))
  void __nvgpu_log_dbg(struct gk20a *g, u64 log_mask,
  		     const char *func_name, int line,
  		     const char *fmt, ...)
  {
  	char log[LOG_BUFFER_LENGTH];
  	va_list args;
  
  	if ((log_mask & g->log_mask) == 0)
  		return;
  
  	va_start(args, fmt);
  	vsnprintf(log, LOG_BUFFER_LENGTH, fmt, args);
  	va_end(args);
  
  	__nvgpu_really_print_log(nvgpu_log_name(g),
  				 func_name, line, NVGPU_DEBUG, log);
  }
  