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- /* SPDX-License-Identifier: GPL-2.0 OR MIT */
- /* Copyright 2017-2019 Qiang Yu <yuq825@gmail.com> */
- #ifndef __LIMA_SCHED_H__
- #define __LIMA_SCHED_H__
- #include <drm/gpu_scheduler.h>
- #include <linux/list.h>
- #include <linux/xarray.h>
- struct lima_device;
- struct lima_vm;
- struct lima_sched_error_task {
- struct list_head list;
- void *data;
- u32 size;
- };
- struct lima_sched_task {
- struct drm_sched_job base;
- struct lima_vm *vm;
- void *frame;
- struct xarray deps;
- unsigned long last_dep;
- struct lima_bo **bos;
- int num_bos;
- bool recoverable;
- struct lima_bo *heap;
- /* pipe fence */
- struct dma_fence *fence;
- };
- struct lima_sched_context {
- struct drm_sched_entity base;
- };
- #define LIMA_SCHED_PIPE_MAX_MMU 8
- #define LIMA_SCHED_PIPE_MAX_L2_CACHE 2
- #define LIMA_SCHED_PIPE_MAX_PROCESSOR 8
- struct lima_ip;
- struct lima_sched_pipe {
- struct drm_gpu_scheduler base;
- u64 fence_context;
- u32 fence_seqno;
- spinlock_t fence_lock;
- struct lima_device *ldev;
- struct lima_sched_task *current_task;
- struct lima_vm *current_vm;
- struct lima_ip *mmu[LIMA_SCHED_PIPE_MAX_MMU];
- int num_mmu;
- struct lima_ip *l2_cache[LIMA_SCHED_PIPE_MAX_L2_CACHE];
- int num_l2_cache;
- struct lima_ip *processor[LIMA_SCHED_PIPE_MAX_PROCESSOR];
- int num_processor;
- struct lima_ip *bcast_processor;
- struct lima_ip *bcast_mmu;
- u32 done;
- bool error;
- atomic_t task;
- int frame_size;
- struct kmem_cache *task_slab;
- int (*task_validate)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
- void (*task_run)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
- void (*task_fini)(struct lima_sched_pipe *pipe);
- void (*task_error)(struct lima_sched_pipe *pipe);
- void (*task_mmu_error)(struct lima_sched_pipe *pipe);
- int (*task_recover)(struct lima_sched_pipe *pipe);
- struct work_struct recover_work;
- };
- int lima_sched_task_init(struct lima_sched_task *task,
- struct lima_sched_context *context,
- struct lima_bo **bos, int num_bos,
- struct lima_vm *vm);
- void lima_sched_task_fini(struct lima_sched_task *task);
- int lima_sched_context_init(struct lima_sched_pipe *pipe,
- struct lima_sched_context *context,
- atomic_t *guilty);
- void lima_sched_context_fini(struct lima_sched_pipe *pipe,
- struct lima_sched_context *context);
- struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *context,
- struct lima_sched_task *task);
- int lima_sched_pipe_init(struct lima_sched_pipe *pipe, const char *name);
- void lima_sched_pipe_fini(struct lima_sched_pipe *pipe);
- void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe);
- static inline void lima_sched_pipe_mmu_error(struct lima_sched_pipe *pipe)
- {
- pipe->error = true;
- pipe->task_mmu_error(pipe);
- }
- int lima_sched_slab_init(void);
- void lima_sched_slab_fini(void);
- #endif
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