1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_debugfs.h b/drivers/gpu/drm/i915/gt/intel_gt_debugfs.h
new file mode 100644
index 0000000000..e4110eebf0
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_debugfs.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef INTEL_GT_DEBUGFS_H
+#define INTEL_GT_DEBUGFS_H
+
+#include <linux/file.h>
+
+struct intel_gt;
+
+#define __GT_DEBUGFS_ATTRIBUTE_FOPS(__name)				\
+static const struct file_operations __name ## _fops = {			\
+	.owner = THIS_MODULE,						\
+	.open = __name ## _open,					\
+	.read = seq_read,						\
+	.llseek = seq_lseek,						\
+	.release = single_release,					\
+}
+
+#define DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(__name)			\
+static int __name ## _open(struct inode *inode, struct file *file)	\
+{									\
+	return single_open(file, __name ## _show, inode->i_private);	\
+}									\
+__GT_DEBUGFS_ATTRIBUTE_FOPS(__name)
+
+#define DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE_WITH_SIZE(__name, __size_vf)		\
+static int __name ## _open(struct inode *inode, struct file *file)		\
+{										\
+	return single_open_size(file, __name ## _show, inode->i_private,	\
+			    __size_vf(inode->i_private));			\
+}										\
+__GT_DEBUGFS_ATTRIBUTE_FOPS(__name)
+
+void intel_gt_debugfs_register(struct intel_gt *gt);
+
+struct intel_gt_debugfs_file {
+	const char *name;
+	const struct file_operations *fops;
+	bool (*eval)(void *data);
+};
+
+void intel_gt_debugfs_register_files(struct dentry *root,
+				     const struct intel_gt_debugfs_file *files,
+				     unsigned long count, void *data);
+
+/* functions that need to be accessed by the upper level non-gt interfaces */
+int intel_gt_debugfs_reset_show(struct intel_gt *gt, u64 *val);
+void intel_gt_debugfs_reset_store(struct intel_gt *gt, u64 val);
+
+#endif /* INTEL_GT_DEBUGFS_H */