1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_sched.h b/drivers/gpu/drm/nouveau/nouveau_sched.h
new file mode 100644
index 000000000000..20cd1da8db73
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_sched.h
@@ -0,0 +1,118 @@
+/* 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