drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
Extension
.c
Size
26847 bytes
Lines
992
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

if (!hns3_dbg_cmd[i].init) {
			dev_err(&handle->pdev->dev,
				"cmd %s lack of init func\n",
				hns3_dbg_cmd[i].name);
			ret = -EINVAL;
			goto out;
		}

		ret = hns3_dbg_cmd[i].init(handle, i);
		if (ret) {
			dev_err(&handle->pdev->dev, "failed to init cmd %s\n",
				hns3_dbg_cmd[i].name);
			goto out;
		}
	}

	return 0;

out:
	debugfs_remove_recursive(handle->hnae3_dbgfs);
	handle->hnae3_dbgfs = NULL;
	return ret;
}

void hns3_dbg_uninit(struct hnae3_handle *handle)
{
	debugfs_remove_recursive(handle->hnae3_dbgfs);
	handle->hnae3_dbgfs = NULL;
}

void hns3_dbg_register_debugfs(const char *debugfs_dir_name)
{
	hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL);
}

void hns3_dbg_unregister_debugfs(void)
{
	debugfs_remove_recursive(hns3_dbgfs_root);
	hns3_dbgfs_root = NULL;
}

Annotation

Implementation Notes