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path: root/drivers/gpu/drm/xe/xe_pt.h
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_pt.h')
-rw-r--r--drivers/gpu/drm/xe/xe_pt.h48
1 files changed, 48 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..71a4fbfcff43
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_pt.h
@@ -0,0 +1,48 @@
+/* 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 xe_bo;
+struct xe_device;
+struct xe_exec_queue;
+struct xe_sync_entry;
+struct xe_tile;
+struct xe_vm;
+struct xe_vma;
+
+/* 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);
+
+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);
+
+struct dma_fence *
+__xe_pt_bind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queue *q,
+ struct xe_sync_entry *syncs, u32 num_syncs,
+ bool rebind);
+
+struct dma_fence *
+__xe_pt_unbind_vma(struct xe_tile *tile, struct xe_vma *vma, struct xe_exec_queue *q,
+ struct xe_sync_entry *syncs, u32 num_syncs);
+
+bool xe_pt_zap_ptes(struct xe_tile *tile, struct xe_vma *vma);
+
+#endif