2005-03-18 19:30:41

by Nguyen, Tom L

[permalink] [raw]
Subject: RE: PCI Error Recovery API Proposal. (WAS:: [PATCH/RFC]PCIErrorRecovery)

On Thursday, March 17, 2005 2:58 PM Benjamin Herrenschmidt wrote:
> Does the link side of PCIE provides a way to trigger a hard reset of
the
> rest of the card ? If not, then it's dodgy as there may be no way to
> consistently "reset" the card if it's in a bad state.

The PCI Express spec does not make it clear of whether an in-band
mechanism, called a hot-reset, triggers a hard reset of the rest of the
card. I agree that if not, then it's dodgy.

Thanks,
Long