sched-tp.h

Go to the documentation of this file.

#ifndef _XENO_NUCLEUS_SCHED_TP_H
#define _XENO_NUCLEUS_SCHED_TP_H

#ifndef _XENO_NUCLEUS_SCHED_H
#error "please don't include nucleus/sched-tp.h directly"
#endif

#ifdef CONFIG_XENO_OPT_SCHED_TP

extern struct xnsched_class xnsched_class_tp;

struct xnsched_tp_window {
        xnticks_t w_offset;
        int w_part;
};

struct xnsched_tp_schedule {
        int pwin_nr;
        xnticks_t tf_duration;
        struct xnsched_tp_window pwins[0];
};

struct xnsched_tp {

        struct xnsched_tpslot {
                xnsched_queue_t runnable; 
        } partitions[CONFIG_XENO_OPT_SCHED_TP_NRPART];

        struct xnsched_tpslot idle;     /* !< Idle slot for passive windows. */
        struct xnsched_tpslot *tps;     /* !< Active partition slot */
        struct xntimer tf_timer;        /* !< Time frame timer */
        struct xnsched_tp_schedule *gps; /* !< Global partition schedule */
        int wnext;                       /* !< Next partition window */
        xnticks_t tf_start;              /* !< Start of next time frame */
        struct xnqueue threads;          /* !< Assigned thread queue */
};

static inline int xnsched_tp_init_tcb(struct xnthread *thread)
{
        inith(&thread->tp_link);
        thread->tps = NULL;

        return 0;
}

struct xnsched_tp_schedule *
xnsched_tp_set_schedule(struct xnsched *sched,
                        struct xnsched_tp_schedule *gps);

void xnsched_tp_start_schedule(struct xnsched *sched);

void xnsched_tp_stop_schedule(struct xnsched *sched);

int xnsched_tp_get_partition(struct xnsched *sched);

#endif /* !CONFIG_XENO_OPT_SCHED_TP */

#endif /* !_XENO_NUCLEUS_SCHED_TP_H */