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Diffstat (limited to 'drivers/gpu/drm/amd/scheduler/gpu_scheduler.h')
-rw-r--r--drivers/gpu/drm/amd/scheduler/gpu_scheduler.h185
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
deleted file mode 100644
index 52c8e5447624..000000000000
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Copyright 2015 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- */
-
-#ifndef _GPU_SCHEDULER_H_
-#define _GPU_SCHEDULER_H_
-
-#include <linux/kfifo.h>
-#include <linux/dma-fence.h>
-
-struct amd_gpu_scheduler;
-struct amd_sched_rq;
-
-/**
- * A scheduler entity is a wrapper around a job queue or a group
- * of other entities. Entities take turns emitting jobs from their
- * job queues to corresponding hardware ring based on scheduling
- * policy.
-*/
-struct amd_sched_entity {
- struct list_head list;
- struct amd_sched_rq *rq;
- spinlock_t rq_lock;
- struct amd_gpu_scheduler *sched;
-
- spinlock_t queue_lock;
- struct kfifo job_queue;
-
- atomic_t fence_seq;
- uint64_t fence_context;
-
- struct dma_fence *dependency;
- struct dma_fence_cb cb;
-};
-
-/**
- * Run queue is a set of entities scheduling command submissions for
- * one specific ring. It implements the scheduling policy that selects
- * the next entity to emit commands from.
-*/
-struct amd_sched_rq {
- spinlock_t lock;
- struct list_head entities;
- struct amd_sched_entity *current_entity;
-};
-
-struct amd_sched_fence {
- struct dma_fence scheduled;
- struct dma_fence finished;
- struct dma_fence_cb cb;
- struct dma_fence *parent;
- struct amd_gpu_scheduler *sched;
- spinlock_t lock;
- void *owner;
-};
-
-struct amd_sched_job {
- struct amd_gpu_scheduler *sched;
- struct amd_sched_entity *s_entity;
- struct amd_sched_fence *s_fence;
- struct dma_fence_cb finish_cb;
- struct work_struct finish_work;
- struct list_head node;
- struct delayed_work work_tdr;
- uint64_t id;
- atomic_t karma;
-};
-
-extern const struct dma_fence_ops amd_sched_fence_ops_scheduled;
-extern const struct dma_fence_ops amd_sched_fence_ops_finished;
-static inline struct amd_sched_fence *to_amd_sched_fence(struct dma_fence *f)
-{
- if (f->ops == &amd_sched_fence_ops_scheduled)
- return container_of(f, struct amd_sched_fence, scheduled);
-
- if (f->ops == &amd_sched_fence_ops_finished)
- return container_of(f, struct amd_sched_fence, finished);
-
- return NULL;
-}
-
-static inline bool amd_sched_invalidate_job(struct amd_sched_job *s_job, int threshold)
-{
- return (s_job && atomic_inc_return(&s_job->karma) > threshold);
-}
-
-/**
- * Define the backend operations called by the scheduler,
- * these functions should be implemented in driver side
-*/
-struct amd_sched_backend_ops {
- struct dma_fence *(*dependency)(struct amd_sched_job *sched_job);
- struct dma_fence *(*run_job)(struct amd_sched_job *sched_job);
- void (*timedout_job)(struct amd_sched_job *sched_job);
- void (*free_job)(struct amd_sched_job *sched_job);
-};
-
-enum amd_sched_priority {
- AMD_SCHED_PRIORITY_MIN,
- AMD_SCHED_PRIORITY_LOW = AMD_SCHED_PRIORITY_MIN,
- AMD_SCHED_PRIORITY_NORMAL,
- AMD_SCHED_PRIORITY_HIGH_SW,
- AMD_SCHED_PRIORITY_HIGH_HW,
- AMD_SCHED_PRIORITY_KERNEL,
- AMD_SCHED_PRIORITY_MAX,
- AMD_SCHED_PRIORITY_INVALID = -1,
- AMD_SCHED_PRIORITY_UNSET = -2
-};
-
-/**
- * One scheduler is implemented for each hardware ring
-*/
-struct amd_gpu_scheduler {
- const struct amd_sched_backend_ops *ops;
- uint32_t hw_submission_limit;
- long timeout;
- const char *name;
- struct amd_sched_rq sched_rq[AMD_SCHED_PRIORITY_MAX];
- wait_queue_head_t wake_up_worker;
- wait_queue_head_t job_scheduled;
- atomic_t hw_rq_count;
- atomic64_t job_id_count;
- struct task_struct *thread;
- struct list_head ring_mirror_list;
- spinlock_t job_list_lock;
-};
-
-int amd_sched_init(struct amd_gpu_scheduler *sched,
- const struct amd_sched_backend_ops *ops,
- uint32_t hw_submission, long timeout, const char *name);
-void amd_sched_fini(struct amd_gpu_scheduler *sched);
-
-int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
- struct amd_sched_entity *entity,
- struct amd_sched_rq *rq,
- uint32_t jobs);
-void amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
- struct amd_sched_entity *entity);
-void amd_sched_entity_push_job(struct amd_sched_job *sched_job);
-void amd_sched_entity_set_rq(struct amd_sched_entity *entity,
- struct amd_sched_rq *rq);
-
-int amd_sched_fence_slab_init(void);
-void amd_sched_fence_slab_fini(void);
-
-struct amd_sched_fence *amd_sched_fence_create(
- struct amd_sched_entity *s_entity, void *owner);
-void amd_sched_fence_scheduled(struct amd_sched_fence *fence);
-void amd_sched_fence_finished(struct amd_sched_fence *fence);
-int amd_sched_job_init(struct amd_sched_job *job,
- struct amd_gpu_scheduler *sched,
- struct amd_sched_entity *entity,
- void *owner);
-void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched);
-void amd_sched_job_recovery(struct amd_gpu_scheduler *sched);
-bool amd_sched_dependency_optimized(struct dma_fence* fence,
- struct amd_sched_entity *entity);
-void amd_sched_job_kickout(struct amd_sched_job *s_job);
-
-static inline enum amd_sched_priority
-amd_sched_get_job_priority(struct amd_sched_job *job)
-{
- return (job->s_entity->rq - job->sched->sched_rq);
-}
-
-#endif