On 11/11/2022 14:30, Yanjun Zhu wrote:
IMO, FLUSH and Atomic Write are newly introduced by IBA spec 1.5After these patches, only RXE device can register *FLUSHABLE* MRsThanks. Do you mean that FLUSH operation is only supported in RXE? ^_^
successfully. If mlx try that, EOPNOSUPP will be returned.
Similarly, Since other hardwares(MLX for example) have not supported
FLUSH operation, EOPNOSUPP will be returned if users try to to that.
In short, for RXE requester, MLX responder will return error for the
request. MLX requester is not able to request a FLUSH operation.
And MLX does not support FLUSH operation currently?
published in 2021. So hardware/drivers(MLX) should do something to
support it.