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#ifndef LITMUS_GEDF_RESERVATION_H
#define LITMUS_GEDF_RESERVATION_H
#include <linux/hrtimer.h>
#include <litmus/bheap.h>
#include <litmus/rt_domain.h>
#include <litmus/reservations/ext_reservation.h>
/* ************************************************************************** */
struct gedf_reservation {
struct reservation res;
struct gedf_cpu_entry* linked_on;
struct gedf_cpu_entry* scheduled_on;
lt_t cur_budget;
int will_remove;
int blocked;
};
struct gedf_cpu_entry {
int id;
struct bheap_node* hn;
struct gedf_reservation* linked;
struct gedf_reservation* scheduled;
};
struct gedf_task_reservation {
struct gedf_reservation gedf_res;
struct task_struct* task;
};
struct gedf_container_reservation {
struct gedf_reservation gedf_res;
lt_t max_budget;
lt_t period;
lt_t relative_deadline;
};
long alloc_gedf_container_reservation(
struct gedf_container_reservation** _res,
int id,
lt_t max_budget,
lt_t period,
lt_t relative_deadline
);
long alloc_gedf_task_reservation(
struct gedf_task_reservation** _res,
struct task_struct* task
);
/* environment for scheduling reservations via gedf */
struct gedf_reservation_environment {
struct reservation_environment env;
/* list of all reservations scheduled by environment */
struct list_head all_reservations;
/* number of active cpus in reservation */
volatile int num_cpus;
/* array of gedf cpu entries */
struct gedf_cpu_entry* cpu_entries;
/* used to order cpus for gedf purposes */
struct bheap cpu_heap;
struct bheap_node* cpu_node;
rt_domain_t domain;
#ifdef CONFIG_LITMUS_LOCKING
/* reservations sleeping due to forbidden zones */
int num_waiter_queues;
wait_queue_head_t* fz_waiters;
#endif
};
long alloc_gedf_reservation_environment(
struct gedf_reservation_environment** _env,
int max_cpus
);
#endif
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