1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
4 #ifndef __LIMA_SCHED_H__
5 #define __LIMA_SCHED_H__
7 #include <drm/gpu_scheduler.h>
8 #include <linux/list.h>
9 #include <linux/xarray.h>
14 struct lima_sched_error_task {
15 struct list_head list;
20 struct lima_sched_task {
21 struct drm_sched_job base;
27 unsigned long last_dep;
36 struct dma_fence *fence;
39 struct lima_sched_context {
40 struct drm_sched_entity base;
43 #define LIMA_SCHED_PIPE_MAX_MMU 8
44 #define LIMA_SCHED_PIPE_MAX_L2_CACHE 2
45 #define LIMA_SCHED_PIPE_MAX_PROCESSOR 8
49 struct lima_sched_pipe {
50 struct drm_gpu_scheduler base;
54 spinlock_t fence_lock;
56 struct lima_device *ldev;
58 struct lima_sched_task *current_task;
59 struct lima_vm *current_vm;
61 struct lima_ip *mmu[LIMA_SCHED_PIPE_MAX_MMU];
64 struct lima_ip *l2_cache[LIMA_SCHED_PIPE_MAX_L2_CACHE];
67 struct lima_ip *processor[LIMA_SCHED_PIPE_MAX_PROCESSOR];
70 struct lima_ip *bcast_processor;
71 struct lima_ip *bcast_mmu;
78 struct kmem_cache *task_slab;
80 int (*task_validate)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
81 void (*task_run)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
82 void (*task_fini)(struct lima_sched_pipe *pipe);
83 void (*task_error)(struct lima_sched_pipe *pipe);
84 void (*task_mmu_error)(struct lima_sched_pipe *pipe);
85 int (*task_recover)(struct lima_sched_pipe *pipe);
87 struct work_struct recover_work;
90 int lima_sched_task_init(struct lima_sched_task *task,
91 struct lima_sched_context *context,
92 struct lima_bo **bos, int num_bos,
94 void lima_sched_task_fini(struct lima_sched_task *task);
96 int lima_sched_context_init(struct lima_sched_pipe *pipe,
97 struct lima_sched_context *context,
99 void lima_sched_context_fini(struct lima_sched_pipe *pipe,
100 struct lima_sched_context *context);
101 struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *context,
102 struct lima_sched_task *task);
104 int lima_sched_pipe_init(struct lima_sched_pipe *pipe, const char *name);
105 void lima_sched_pipe_fini(struct lima_sched_pipe *pipe);
106 void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe);
108 static inline void lima_sched_pipe_mmu_error(struct lima_sched_pipe *pipe)
111 pipe->task_mmu_error(pipe);
114 int lima_sched_slab_init(void);
115 void lima_sched_slab_fini(void);