[PATCH i2c/slave-mqueue v3] i2c: slave-mqueue: add a slave backend to receive and queue messages

Some protocols over I2C are designed for bi-directional transferring messages by using I2C Master Write protocol. Like the MCTP (Management Component Transport Protocol) and IPMB (Intelligent Platform Management Bus), they both require that the userspace can receive messages from I2C dirvers under

[PATCH i2c/slave-mqueue v3] i2c: slave-mqueue: add a slave backend to receive and queue messages

Some protocols over I2C are designed for bi-directional transferring messages by using I2C Master Write protocol. Like the MCTP (Management Component Transport Protocol) and IPMB (Intelligent Platform Management Bus), they both require that the userspace can receive messages from I2C dirvers under