1 /* SPDX-License-Identifier: MIT */ 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 #ifndef _XE_PT_H_ 6 #define _XE_PT_H_ 7 8 #include <linux/types.h> 9 10 #include "xe_pt_types.h" 11 12 struct dma_fence; 13 struct xe_bo; 14 struct xe_device; 15 struct xe_exec_queue; 16 struct xe_svm_range; 17 struct xe_sync_entry; 18 struct xe_tile; 19 struct xe_vm; 20 struct xe_vma; 21 struct xe_vma_ops; 22 23 /* Largest huge pte is currently 1GiB. May become device dependent. */ 24 #define MAX_HUGEPTE_LEVEL 2 25 26 #define xe_pt_write(xe, map, idx, data) \ 27 xe_map_wr(xe, map, (idx) * sizeof(u64), u64, data) 28 29 unsigned int xe_pt_shift(unsigned int level); 30 31 struct xe_pt *xe_pt_create(struct xe_vm *vm, struct xe_tile *tile, 32 unsigned int level); 33 34 void xe_pt_populate_empty(struct xe_tile *tile, struct xe_vm *vm, 35 struct xe_pt *pt); 36 37 void xe_pt_destroy(struct xe_pt *pt, u32 flags, struct llist_head *deferred); 38 39 void xe_pt_clear(struct xe_device *xe, struct xe_pt *pt); 40 41 int xe_pt_update_ops_prepare(struct xe_tile *tile, struct xe_vma_ops *vops); 42 struct dma_fence *xe_pt_update_ops_run(struct xe_tile *tile, 43 struct xe_vma_ops *vops); 44 void xe_pt_update_ops_fini(struct xe_tile *tile, struct xe_vma_ops *vops); 45 void xe_pt_update_ops_abort(struct xe_tile *tile, struct xe_vma_ops *vops); 46 47 bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma); 48 bool xe_pt_zap_ptes_range(struct xe_tile *tile, struct xe_vm *vm, 49 struct xe_svm_range *range); 50 51 #endif 52