Name		Name	Last commit message	Last commit date
parent directory ..
conn_ip_example		conn_ip_example
README.md		README.md
audit.go		audit.go
const.go		const.go
const_test.go		const_test.go
errors.go		errors.go
helper.go		helper.go
helper_test.go		helper_test.go
integration_test.go		integration_test.go
main_test.go		main_test.go
plugin.go		plugin.go
plugin_test.go		plugin_test.go
spi.go		spi.go
spi_test.go		spi_test.go

README.md

The Plugin Framework

https://github.com/pingcap/tidb/blob/master/docs/design/2018-12-10-plugin-framework.md