1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
new file mode 100644
index 000000000000..4bd6ebfaf425
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016-2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/debugfs.h>
+#include "kfd_priv.h"
+
+static struct dentry *debugfs_root;
+
+static int kfd_debugfs_open(struct inode *inode, struct file *file)
+{
+	int (*show)(struct seq_file *, void *) = inode->i_private;
+
+	return single_open(file, show, NULL);
+}
+
+static const struct file_operations kfd_debugfs_fops = {
+	.owner = THIS_MODULE,
+	.open = kfd_debugfs_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+void kfd_debugfs_init(void)
+{
+	struct dentry *ent;
+
+	debugfs_root = debugfs_create_dir("kfd", NULL);
+	if (!debugfs_root || debugfs_root == ERR_PTR(-ENODEV)) {
+		pr_warn("Failed to create kfd debugfs dir\n");
+		return;
+	}
+
+	ent = debugfs_create_file("mqds", S_IFREG | 0444, debugfs_root,
+				  kfd_debugfs_mqds_by_process,
+				  &kfd_debugfs_fops);
+	if (!ent)
+		pr_warn("Failed to create mqds in kfd debugfs\n");
+
+	ent = debugfs_create_file("hqds", S_IFREG | 0444, debugfs_root,
+				  kfd_debugfs_hqds_by_device,
+				  &kfd_debugfs_fops);
+	if (!ent)
+		pr_warn("Failed to create hqds in kfd debugfs\n");
+
+	ent = debugfs_create_file("rls", S_IFREG | 0444, debugfs_root,
+				  kfd_debugfs_rls_by_device,
+				  &kfd_debugfs_fops);
+	if (!ent)
+		pr_warn("Failed to create rls in kfd debugfs\n");
+}
+
+void kfd_debugfs_fini(void)
+{
+	debugfs_remove_recursive(debugfs_root);
+}