/* SPDX-License-Identifier: GPL-2.0 */

  #define CPUPRI_NR_PRIORITIES	(MAX_RT_PRIO + 2)

  #define CPUPRI_INVALID		-1
  #define CPUPRI_IDLE		 0
  #define CPUPRI_NORMAL		 1

  /* values 2-101 are RT priorities 0-99 */
  
  struct cpupri_vec {

  	atomic_t		count;
  	cpumask_var_t		mask;

  };
  
  struct cpupri {

  	struct cpupri_vec	pri_to_cpu[CPUPRI_NR_PRIORITIES];
  	int			*cpu_to_pri;

  };
  
  #ifdef CONFIG_SMP

  int  cpupri_find(struct cpupri *cp, struct task_struct *p,

  		 struct cpumask *lowest_mask);
  int  cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
  			 struct cpumask *lowest_mask,
  			 bool (*fitness_fn)(struct task_struct *p, int cpu));

  void cpupri_set(struct cpupri *cp, int cpu, int pri);

  int  cpupri_init(struct cpupri *cp);

  void cpupri_cleanup(struct cpupri *cp);

  #endif