/* SPDX-License-Identifier: MIT */

#ifndef __NOUVEAU_EXEC_H__
#define __NOUVEAU_EXEC_H__

#include "nouveau_drv.h"
#include "nouveau_sched.h"

struct nouveau_exec_job_args {
        struct drm_file *file_priv;
        struct nouveau_sched *sched;
        struct nouveau_channel *chan;

        struct {
                struct drm_nouveau_sync *s;
                u32 count;
        } in_sync;

        struct {
                struct drm_nouveau_sync *s;
                u32 count;
        } out_sync;

        struct {
                struct drm_nouveau_exec_push *s;
                u32 count;
        } push;
};

struct nouveau_exec_job {
        struct nouveau_job base;
        struct nouveau_fence *fence;
        struct nouveau_channel *chan;

        struct {
                struct drm_nouveau_exec_push *s;
                u32 count;
        } push;
};

#define to_nouveau_exec_job(job)                \
                container_of((job), struct nouveau_exec_job, base)

int nouveau_exec_job_init(struct nouveau_exec_job **job,
                          struct nouveau_exec_job_args *args);

int nouveau_exec_ioctl_exec(struct drm_device *dev, void *data,
                            struct drm_file *file_priv);

static inline unsigned int
nouveau_exec_push_max_from_ib_max(int ib_max)
{
        /* Limit the number of IBs per job to half the size of the ring in order
         * to avoid the ring running dry between submissions and preserve one
         * more slot for the job's HW fence.
         */
        return ib_max > 1 ? ib_max / 2 - 1 : 0;
}

#endif