1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h
new file mode 100644
index 000000000000..4486e083f5ef
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_gt.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef _XE_GT_H_
+#define _XE_GT_H_
+
+#include <drm/drm_util.h>
+
+#include "xe_device_types.h"
+#include "xe_hw_engine.h"
+
+#define for_each_hw_engine(hwe__, gt__, id__) \
+	for ((id__) = 0; (id__) < ARRAY_SIZE((gt__)->hw_engines); (id__)++) \
+		for_each_if(((hwe__) = (gt__)->hw_engines + (id__)) && \
+			  xe_hw_engine_is_valid((hwe__)))
+
+#define CCS_MASK(gt) (((gt)->info.engine_mask & XE_HW_ENGINE_CCS_MASK) >> XE_HW_ENGINE_CCS0)
+
+#ifdef CONFIG_FAULT_INJECTION
+#include <linux/fault-inject.h> /* XXX: fault-inject.h is broken */
+extern struct fault_attr gt_reset_failure;
+static inline bool xe_fault_inject_gt_reset(void)
+{
+	return should_fail(&gt_reset_failure, 1);
+}
+#else
+static inline bool xe_fault_inject_gt_reset(void)
+{
+	return false;
+}
+#endif
+
+struct xe_gt *xe_gt_alloc(struct xe_tile *tile);
+int xe_gt_init_early(struct xe_gt *gt);
+int xe_gt_init(struct xe_gt *gt);
+int xe_gt_record_default_lrcs(struct xe_gt *gt);
+void xe_gt_suspend_prepare(struct xe_gt *gt);
+int xe_gt_suspend(struct xe_gt *gt);
+int xe_gt_resume(struct xe_gt *gt);
+void xe_gt_reset_async(struct xe_gt *gt);
+void xe_gt_sanitize(struct xe_gt *gt);
+
+/**
+ * xe_gt_any_hw_engine_by_reset_domain - scan the list of engines and return the
+ * first that matches the same reset domain as @class
+ * @gt: GT structure
+ * @class: hw engine class to lookup
+ */
+struct xe_hw_engine *
+xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, enum xe_engine_class class);
+
+struct xe_hw_engine *xe_gt_hw_engine(struct xe_gt *gt,
+				     enum xe_engine_class class,
+				     u16 instance,
+				     bool logical);
+
+static inline bool xe_gt_is_media_type(struct xe_gt *gt)
+{
+	return gt->info.type == XE_GT_TYPE_MEDIA;
+}
+
+static inline bool xe_gt_is_usm_hwe(struct xe_gt *gt, struct xe_hw_engine *hwe)
+{
+	struct xe_device *xe = gt_to_xe(gt);
+
+	return xe->info.has_usm && hwe->class == XE_ENGINE_CLASS_COPY &&
+		hwe->instance == gt->usm.reserved_bcs_instance;
+}
+
+#endif