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path: root/drivers/accel/ivpu/ivpu_debugfs.c
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Diffstat (limited to 'drivers/accel/ivpu/ivpu_debugfs.c')
-rw-r--r--drivers/accel/ivpu/ivpu_debugfs.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_debugfs.c b/drivers/accel/ivpu/ivpu_debugfs.c
new file mode 100644
index 000000000000..df51ec008fb5
--- /dev/null
+++ b/drivers/accel/ivpu/ivpu_debugfs.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020-2023 Intel Corporation
+ */
+
+#include <drm/drm_debugfs.h>
+#include <drm/drm_file.h>
+#include <drm/drm_print.h>
+
+#include <uapi/drm/ivpu_accel.h>
+
+#include "ivpu_debugfs.h"
+#include "ivpu_drv.h"
+#include "ivpu_gem.h"
+#include "ivpu_jsm_msg.h"
+#include "ivpu_pm.h"
+
+static int bo_list_show(struct seq_file *s, void *v)
+{
+ struct drm_info_node *node = (struct drm_info_node *)s->private;
+ struct drm_printer p = drm_seq_file_printer(s);
+
+ ivpu_bo_list(node->minor->dev, &p);
+
+ return 0;
+}
+
+static int last_bootmode_show(struct seq_file *s, void *v)
+{
+ struct drm_info_node *node = (struct drm_info_node *)s->private;
+ struct ivpu_device *vdev = to_ivpu_device(node->minor->dev);
+
+ seq_printf(s, "%s\n", (vdev->pm->is_warmboot) ? "warmboot" : "coldboot");
+
+ return 0;
+}
+
+static const struct drm_info_list vdev_debugfs_list[] = {
+ {"bo_list", bo_list_show, 0},
+ {"last_bootmode", last_bootmode_show, 0},
+};
+
+static ssize_t
+ivpu_reset_engine_fn(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
+{
+ struct ivpu_device *vdev = file->private_data;
+
+ if (!size)
+ return -EINVAL;
+
+ if (ivpu_jsm_reset_engine(vdev, DRM_IVPU_ENGINE_COMPUTE))
+ return -ENODEV;
+ if (ivpu_jsm_reset_engine(vdev, DRM_IVPU_ENGINE_COPY))
+ return -ENODEV;
+
+ return size;
+}
+
+static const struct file_operations ivpu_reset_engine_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .write = ivpu_reset_engine_fn,
+};
+
+void ivpu_debugfs_init(struct drm_minor *minor)
+{
+ struct ivpu_device *vdev = to_ivpu_device(minor->dev);
+
+ drm_debugfs_create_files(vdev_debugfs_list, ARRAY_SIZE(vdev_debugfs_list),
+ minor->debugfs_root, minor);
+
+ debugfs_create_file("reset_engine", 0200, minor->debugfs_root, vdev,
+ &ivpu_reset_engine_fops);
+}