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#ifndef _LINUX_SCHED_MC_H_
#define _LINUX_SCHED_MC_H_
/* criticality levels */
enum crit_level {
/* probably don't need to assign these (paranoid) */
CRIT_LEVEL_A = 0,
CRIT_LEVEL_B = 1,
CRIT_LEVEL_C = 2,
NUM_CRIT_LEVELS = 3,
};
struct mc_task {
enum crit_level crit;
int lvl_a_id;
};
struct mc_job {
int is_ghost:1;
lt_t ghost_budget;
};
#ifdef __KERNEL__
/* only used in the kernel (no user space) */
struct mc_data {
struct mc_task mc_task;
struct mc_job mc_job;
};
#define tsk_mc_data(t) (tsk_rt(t)->mc_data)
#define tsk_mc_crit(t) (tsk_mc_data(t)->mc_task.crit)
#define is_ghost(t) (tsk_mc_data(t)->mc_job.is_ghost)
/*
* Cache the budget along with the struct PID for a task so that we don't need
* to fetch its task_struct every time we check to see what should be
* scheduled.
*/
struct ce_dom_pid_entry {
struct pid *pid;
lt_t budget;
/* accumulated (summed) budgets, including this one */
lt_t acc_time;
int expected_job;
};
struct ce_dom_data {
int cpu;
struct task_struct *scheduled, *should_schedule;
/*
* Each CPU needs a mapping of level A ID (integer) to struct pid so
* that we can get its task struct.
*/
struct ce_dom_pid_entry pid_entries[CONFIG_PLUGIN_MC_LEVEL_A_MAX_TASKS];
int num_pid_entries;
lt_t cycle_time;
struct hrtimer_start_on_info timer_info;
struct hrtimer timer;
};
#endif /* __KERNEL__ */
#endif
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