diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_pt.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_pt.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pt.h b/drivers/gpu/drm/xe/xe_pt.h new file mode 100644 index 000000000000..4daeebaab5a1 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_pt.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ +#ifndef _XE_PT_H_ +#define _XE_PT_H_ + +#include <linux/types.h> + +#include "xe_pt_types.h" + +struct dma_fence; +struct drm_exec; +struct xe_bo; +struct xe_device; +struct xe_exec_queue; +struct xe_svm_range; +struct xe_sync_entry; +struct xe_tile; +struct xe_vm; +struct xe_vma; +struct xe_vma_ops; + +/* Largest huge pte is currently 1GiB. May become device dependent. */ +#define MAX_HUGEPTE_LEVEL 2 + +#define xe_pt_write(xe, map, idx, data) \ + xe_map_wr(xe, map, (idx) * sizeof(u64), u64, data) + +unsigned int xe_pt_shift(unsigned int level); + +struct xe_pt *xe_pt_create(struct xe_vm *vm, struct xe_tile *tile, + unsigned int level, struct drm_exec *exec); + +void xe_pt_populate_empty(struct xe_tile *tile, struct xe_vm *vm, + struct xe_pt *pt); + +void xe_pt_destroy(struct xe_pt *pt, u32 flags, struct llist_head *deferred); + +void xe_pt_clear(struct xe_device *xe, struct xe_pt *pt); + +int xe_pt_update_ops_prepare(struct xe_tile *tile, struct xe_vma_ops *vops); +struct dma_fence *xe_pt_update_ops_run(struct xe_tile *tile, + struct xe_vma_ops *vops); +void xe_pt_update_ops_fini(struct xe_tile *tile, struct xe_vma_ops *vops); +void xe_pt_update_ops_abort(struct xe_tile *tile, struct xe_vma_ops *vops); + +bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma); +bool xe_pt_zap_ptes_range(struct xe_tile *tile, struct xe_vm *vm, + struct xe_svm_range *range); + +#endif |