linux/drivers/gpu/drm/xe/xe_migrate.h

/* 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 { … };

/**
 * 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 { … };

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