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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* SPDX-License-Identifier: MIT */ /* * Copyright © 2020 Intel Corporation */ #ifndef _XE_MIGRATE_ #define _XE_MIGRATE_ #include <drm/drm_mm.h> struct dma_fence; struct iosys_map; struct ttm_resource; struct xe_bo; struct xe_gt; struct xe_exec_queue; struct xe_migrate; struct xe_migrate_pt_update; struct xe_sync_entry; struct xe_pt; struct xe_tile; struct xe_vm; struct xe_vm_pgtable_update; struct xe_vma; /** * struct xe_migrate_pt_update_ops - Callbacks for the * xe_migrate_update_pgtables() function. */ struct xe_migrate_pt_update_ops { /** * @populate: Populate a command buffer or page-table with ptes. * @pt_update: Embeddable callback argument. * @tile: The tile for the current operation. * @map: struct iosys_map into the memory to be populated. * @pos: If @map is NULL, map into the memory to be populated. * @ofs: qword offset into @map, unused if @map is NULL. * @num_qwords: Number of qwords to write. * @update: Information about the PTEs to be inserted. * * This interface is intended to be used as a callback into the * page-table system to populate command buffers or shared * page-tables with PTEs. */ void (*populate)(struct xe_migrate_pt_update *pt_update, struct xe_tile *tile, struct iosys_map *map, void *pos, u32 ofs, u32 num_qwords, const struct xe_vm_pgtable_update *update); /** * @pre_commit: Callback to be called just before arming the * sched_job. * @pt_update: Pointer to embeddable callback argument. * * Return: 0 on success, negative error code on error. */ int (*pre_commit)(struct xe_migrate_pt_update *pt_update); }; /** * struct xe_migrate_pt_update - Argument to the * struct xe_migrate_pt_update_ops callbacks. * * Intended to be subclassed to support additional arguments if necessary. */ struct xe_migrate_pt_update { /** @ops: Pointer to the struct xe_migrate_pt_update_ops callbacks */ const struct xe_migrate_pt_update_ops *ops; /** @vma: The vma we're updating the pagetable for. */ struct xe_vma *vma; /** @job: The job if a GPU page-table update. NULL otherwise */ struct xe_sched_job *job; /** @start: Start of update for the range fence */ u64 start; /** @last: Last of update for the range fence */ u64 last; /** @tile_id: Tile ID of the update */ u8 tile_id; }; struct xe_migrate *xe_migrate_init(struct xe_tile *tile); struct dma_fence *xe_migrate_copy(struct xe_migrate *m, struct xe_bo *src_bo, struct xe_bo *dst_bo, struct ttm_resource *src, struct ttm_resource *dst, bool copy_only_ccs); struct dma_fence *xe_migrate_clear(struct xe_migrate *m, struct xe_bo *bo, struct ttm_resource *dst); struct xe_vm *xe_migrate_get_vm(struct xe_migrate *m); struct dma_fence * xe_migrate_update_pgtables(struct xe_migrate *m, struct xe_vm *vm, struct xe_bo *bo, struct xe_exec_queue *q, const struct xe_vm_pgtable_update *updates, u32 num_updates, struct xe_sync_entry *syncs, u32 num_syncs, struct xe_migrate_pt_update *pt_update); void xe_migrate_wait(struct xe_migrate *m); struct xe_exec_queue *xe_tile_migrate_engine(struct xe_tile *tile); #endif |