1 files changed, 294 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..5e5996fd4f9f
--- /dev/null
+++ b/drivers/accel/ivpu/ivpu_debugfs.c
@@ -0,0 +1,294 @@
+// 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_fw.h"
+#include "ivpu_fw_log.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 fw_name_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->fw->name);
+	return 0;
+}
+
+static int fw_trace_capability_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);
+	u64 trace_hw_component_mask;
+	u32 trace_destination_mask;
+	int ret;
+
+	ret = ivpu_jsm_trace_get_capability(vdev, &trace_destination_mask,
+					    &trace_hw_component_mask);
+	if (!ret) {
+		seq_printf(s,
+			   "trace_destination_mask:  %#18x\n"
+			   "trace_hw_component_mask: %#18llx\n",
+			   trace_destination_mask, trace_hw_component_mask);
+	}
+	return 0;
+}
+
+static int fw_trace_config_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);
+	/**
+	 * WA: VPU_JSM_MSG_TRACE_GET_CONFIG command is not working yet,
+	 * so we use values from vdev->fw instead of calling ivpu_jsm_trace_get_config()
+	 */
+	u32 trace_level = vdev->fw->trace_level;
+	u32 trace_destination_mask = vdev->fw->trace_destination_mask;
+	u64 trace_hw_component_mask = vdev->fw->trace_hw_component_mask;
+
+	seq_printf(s,
+		   "trace_level:             %#18x\n"
+		   "trace_destination_mask:  %#18x\n"
+		   "trace_hw_component_mask: %#18llx\n",
+		   trace_level, trace_destination_mask, trace_hw_component_mask);
+
+	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 int reset_counter_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, "%d\n", atomic_read(&vdev->pm->reset_counter));
+	return 0;
+}
+
+static int reset_pending_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, "%d\n", atomic_read(&vdev->pm->in_reset));
+	return 0;
+}
+
+static const struct drm_info_list vdev_debugfs_list[] = {
+	{"bo_list", bo_list_show, 0},
+	{"fw_name", fw_name_show, 0},
+	{"fw_trace_capability", fw_trace_capability_show, 0},
+	{"fw_trace_config", fw_trace_config_show, 0},
+	{"last_bootmode", last_bootmode_show, 0},
+	{"reset_counter", reset_counter_show, 0},
+	{"reset_pending", reset_pending_show, 0},
+};
+
+static int fw_log_show(struct seq_file *s, void *v)
+{
+	struct ivpu_device *vdev = s->private;
+	struct drm_printer p = drm_seq_file_printer(s);
+
+	ivpu_fw_log_print(vdev, true, &p);
+	return 0;
+}
+
+static int fw_log_fops_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, fw_log_show, inode->i_private);
+}
+
+static ssize_t
+fw_log_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
+{
+	struct seq_file *s = file->private_data;
+	struct ivpu_device *vdev = s->private;
+
+	if (!size)
+		return -EINVAL;
+
+	ivpu_fw_log_clear(vdev);
+	return size;
+}
+
+static const struct file_operations fw_log_fops = {
+	.owner = THIS_MODULE,
+	.open = fw_log_fops_open,
+	.write = fw_log_fops_write,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static ssize_t
+fw_trace_destination_mask_fops_write(struct file *file, const char __user *user_buf,
+				     size_t size, loff_t *pos)
+{
+	struct ivpu_device *vdev = file->private_data;
+	struct ivpu_fw_info *fw = vdev->fw;
+	u32 trace_destination_mask;
+	int ret;
+
+	ret = kstrtou32_from_user(user_buf, size, 0, &trace_destination_mask);
+	if (ret < 0)
+		return ret;
+
+	fw->trace_destination_mask = trace_destination_mask;
+
+	ivpu_jsm_trace_set_config(vdev, fw->trace_level, trace_destination_mask,
+				  fw->trace_hw_component_mask);
+
+	return size;
+}
+
+static const struct file_operations fw_trace_destination_mask_fops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = fw_trace_destination_mask_fops_write,
+};
+
+static ssize_t
+fw_trace_hw_comp_mask_fops_write(struct file *file, const char __user *user_buf,
+				 size_t size, loff_t *pos)
+{
+	struct ivpu_device *vdev = file->private_data;
+	struct ivpu_fw_info *fw = vdev->fw;
+	u64 trace_hw_component_mask;
+	int ret;
+
+	ret = kstrtou64_from_user(user_buf, size, 0, &trace_hw_component_mask);
+	if (ret < 0)
+		return ret;
+
+	fw->trace_hw_component_mask = trace_hw_component_mask;
+
+	ivpu_jsm_trace_set_config(vdev, fw->trace_level, fw->trace_destination_mask,
+				  trace_hw_component_mask);
+
+	return size;
+}
+
+static const struct file_operations fw_trace_hw_comp_mask_fops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = fw_trace_hw_comp_mask_fops_write,
+};
+
+static ssize_t
+fw_trace_level_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
+{
+	struct ivpu_device *vdev = file->private_data;
+	struct ivpu_fw_info *fw = vdev->fw;
+	u32 trace_level;
+	int ret;
+
+	ret = kstrtou32_from_user(user_buf, size, 0, &trace_level);
+	if (ret < 0)
+		return ret;
+
+	fw->trace_level = trace_level;
+
+	ivpu_jsm_trace_set_config(vdev, trace_level, fw->trace_destination_mask,
+				  fw->trace_hw_component_mask);
+
+	return size;
+}
+
+static const struct file_operations fw_trace_level_fops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = fw_trace_level_fops_write,
+};
+
+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 ssize_t
+ivpu_force_recovery_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;
+
+	ivpu_pm_schedule_recovery(vdev);
+	return size;
+}
+
+static const struct file_operations ivpu_force_recovery_fops = {
+	.owner = THIS_MODULE,
+	.open = simple_open,
+	.write = ivpu_force_recovery_fn,
+};
+
+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("force_recovery", 0200, minor->debugfs_root, vdev,
+			    &ivpu_force_recovery_fops);
+
+	debugfs_create_file("fw_log", 0644, minor->debugfs_root, vdev,
+			    &fw_log_fops);
+	debugfs_create_file("fw_trace_destination_mask", 0200, minor->debugfs_root, vdev,
+			    &fw_trace_destination_mask_fops);
+	debugfs_create_file("fw_trace_hw_comp_mask", 0200, minor->debugfs_root, vdev,
+			    &fw_trace_hw_comp_mask_fops);
+	debugfs_create_file("fw_trace_level", 0200, minor->debugfs_root, vdev,
+			    &fw_trace_level_fops);
+
+	debugfs_create_file("reset_engine", 0200, minor->debugfs_root, vdev,
+			    &ivpu_reset_engine_fops);
+}