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path: root/drivers/gpu/drm/xe/xe_hw_fence.h
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_hw_fence.h')
-rw-r--r--drivers/gpu/drm/xe/xe_hw_fence.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_hw_fence.h b/drivers/gpu/drm/xe/xe_hw_fence.h
new file mode 100644
index 000000000000..cfe5fd603787
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_hw_fence.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef _XE_HW_FENCE_H_
+#define _XE_HW_FENCE_H_
+
+#include "xe_hw_fence_types.h"
+
+/* Cause an early wrap to catch wrapping errors */
+#define XE_FENCE_INITIAL_SEQNO (-127)
+
+int xe_hw_fence_module_init(void);
+void xe_hw_fence_module_exit(void);
+
+void xe_hw_fence_irq_init(struct xe_hw_fence_irq *irq);
+void xe_hw_fence_irq_finish(struct xe_hw_fence_irq *irq);
+void xe_hw_fence_irq_run(struct xe_hw_fence_irq *irq);
+void xe_hw_fence_irq_stop(struct xe_hw_fence_irq *irq);
+void xe_hw_fence_irq_start(struct xe_hw_fence_irq *irq);
+
+void xe_hw_fence_ctx_init(struct xe_hw_fence_ctx *ctx, struct xe_gt *gt,
+ struct xe_hw_fence_irq *irq, const char *name);
+void xe_hw_fence_ctx_finish(struct xe_hw_fence_ctx *ctx);
+
+struct xe_hw_fence *xe_hw_fence_create(struct xe_hw_fence_ctx *ctx,
+ struct iosys_map seqno_map);
+
+#endif