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/* SPDX-License-Identifier: MIT */
#ifndef NOUVEAU_SCHED_H
#define NOUVEAU_SCHED_H
#include <linux/types.h>
#include <drm/drm_gpuvm.h>
#include <drm/gpu_scheduler.h>
#include "nouveau_drv.h"
#define to_nouveau_job(sched_job) \
container_of((sched_job), struct nouveau_job, base)
struct nouveau_job_ops;
enum nouveau_job_state {
NOUVEAU_JOB_UNINITIALIZED = 0,
NOUVEAU_JOB_INITIALIZED,
NOUVEAU_JOB_SUBMIT_SUCCESS,
NOUVEAU_JOB_SUBMIT_FAILED,
NOUVEAU_JOB_RUN_SUCCESS,
NOUVEAU_JOB_RUN_FAILED,
};
struct nouveau_job_args {
struct drm_file *file_priv;
struct nouveau_sched *sched;
u32 credits;
enum dma_resv_usage resv_usage;
bool sync;
struct {
struct drm_nouveau_sync *s;
u32 count;
} in_sync;
struct {
struct drm_nouveau_sync *s;
u32 count;
} out_sync;
const struct nouveau_job_ops *ops;
};
struct nouveau_job {
struct drm_sched_job base;
enum nouveau_job_state state;
struct nouveau_sched *sched;
struct list_head entry;
struct drm_file *file_priv;
struct nouveau_cli *cli;
enum dma_resv_usage resv_usage;
struct dma_fence *done_fence;
bool sync;
struct {
struct drm_nouveau_sync *data;
u32 count;
} in_sync;
struct {
struct drm_nouveau_sync *data;
struct drm_syncobj **objs;
struct dma_fence_chain **chains;
u32 count;
} out_sync;
const struct nouveau_job_ops {
/* If .submit() returns without any error, it is guaranteed that
* armed_submit() is called.
*/
int (*submit)(struct nouveau_job *, struct drm_gpuvm_exec *);
void (*armed_submit)(struct nouveau_job *, struct drm_gpuvm_exec *);
struct dma_fence *(*run)(struct nouveau_job *);
void (*free)(struct nouveau_job *);
enum drm_gpu_sched_stat (*timeout)(struct nouveau_job *);
} *ops;
};
int nouveau_job_ucopy_syncs(struct nouveau_job_args *args,
u32 inc, u64 ins,
u32 outc, u64 outs);
int nouveau_job_init(struct nouveau_job *job,
struct nouveau_job_args *args);
void nouveau_job_fini(struct nouveau_job *job);
int nouveau_job_submit(struct nouveau_job *job);
void nouveau_job_done(struct nouveau_job *job);
void nouveau_job_free(struct nouveau_job *job);
struct nouveau_sched {
struct drm_gpu_scheduler base;
struct drm_sched_entity entity;
struct workqueue_struct *wq;
struct mutex mutex;
struct {
struct {
struct list_head head;
spinlock_t lock;
} list;
struct wait_queue_head wq;
} job;
};
int nouveau_sched_create(struct nouveau_sched **psched, struct nouveau_drm *drm,
struct workqueue_struct *wq, u32 credit_limit);
void nouveau_sched_destroy(struct nouveau_sched **psched);
#endif
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