void hl_debugfs_add_device()

in habanalabs/common/debugfs.c [1361:1523]

• 137 lines of code
• 3 McCabe index (conditional complexity)

void hl_debugfs_add_device(struct hl_device *hdev)
{
	struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs;
	int count = ARRAY_SIZE(hl_debugfs_list);
	struct hl_debugfs_entry *entry;
	int i;

	dev_entry->hdev = hdev;
	dev_entry->entry_arr = kmalloc_array(count,
					sizeof(struct hl_debugfs_entry),
					GFP_KERNEL);
	if (!dev_entry->entry_arr)
		return;

	dev_entry->blob_desc.size = 0;
	dev_entry->blob_desc.data = NULL;

	INIT_LIST_HEAD(&dev_entry->file_list);
	INIT_LIST_HEAD(&dev_entry->cb_list);
	INIT_LIST_HEAD(&dev_entry->cs_list);
	INIT_LIST_HEAD(&dev_entry->cs_job_list);
	INIT_LIST_HEAD(&dev_entry->userptr_list);
	INIT_LIST_HEAD(&dev_entry->ctx_mem_hash_list);
	mutex_init(&dev_entry->file_mutex);
	init_rwsem(&dev_entry->state_dump_sem);
	spin_lock_init(&dev_entry->cb_spinlock);
	spin_lock_init(&dev_entry->cs_spinlock);
	spin_lock_init(&dev_entry->cs_job_spinlock);
	spin_lock_init(&dev_entry->userptr_spinlock);
	spin_lock_init(&dev_entry->ctx_mem_hash_spinlock);

	dev_entry->root = debugfs_create_dir(dev_name(hdev->dev),
						hl_debug_root);

	debugfs_create_x64("addr",
				0644,
				dev_entry->root,
				&dev_entry->addr);

	debugfs_create_file("data32",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_data32b_fops);

	debugfs_create_file("data64",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_data64b_fops);

	debugfs_create_file("set_power_state",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_power_fops);

	debugfs_create_u8("i2c_bus",
				0644,
				dev_entry->root,
				&dev_entry->i2c_bus);

	debugfs_create_u8("i2c_addr",
				0644,
				dev_entry->root,
				&dev_entry->i2c_addr);

	debugfs_create_u8("i2c_reg",
				0644,
				dev_entry->root,
				&dev_entry->i2c_reg);

	debugfs_create_u8("i2c_len",
				0644,
				dev_entry->root,
				&dev_entry->i2c_len);

	debugfs_create_file("i2c_data",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_i2c_data_fops);

	debugfs_create_file("led0",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_led0_fops);

	debugfs_create_file("led1",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_led1_fops);

	debugfs_create_file("led2",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_led2_fops);

	debugfs_create_file("device",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_device_fops);

	debugfs_create_file("clk_gate",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_clk_gate_fops);

	debugfs_create_file("stop_on_err",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_stop_on_err_fops);

	debugfs_create_file("dump_security_violations",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_security_violations_fops);

	debugfs_create_file("dma_size",
				0200,
				dev_entry->root,
				dev_entry,
				&hl_dma_size_fops);

	debugfs_create_blob("data_dma",
				0400,
				dev_entry->root,
				&dev_entry->blob_desc);

	debugfs_create_x8("skip_reset_on_timeout",
				0644,
				dev_entry->root,
				&hdev->reset_info.skip_reset_on_timeout);

	debugfs_create_file("state_dump",
				0600,
				dev_entry->root,
				dev_entry,
				&hl_state_dump_fops);

	debugfs_create_file("timeout_locked",
				0644,
				dev_entry->root,
				dev_entry,
				&hl_timeout_locked_fops);

	for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) {
		debugfs_create_file(hl_debugfs_list[i].name,
					0444,
					dev_entry->root,
					entry,
					&hl_debugfs_fops);
		entry->info_ent = &hl_debugfs_list[i];
		entry->dev_entry = dev_entry;
	}
}