Messages in this thread | | | Date | Tue, 30 Mar 2021 16:34:47 +0200 (CEST) | From | "Maciej W. Rozycki" <> | Subject | Re: How long should be PCIe card in Warm Reset state? |
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On Tue, 30 Mar 2021, Pali Rohár wrote:
> > If I were to implement this stuff, for good measure I'd give it a safety > > margin beyond what the spec requires and use a timeout of say 2-4s while > > actively querying the status of the device. The values given in the spec > > are only the minimum requirements. > > Are you able to also figure out what is the minimal timeout value for > PCIe Warm Reset? > > Because we are having troubles to "decode" correct minimal timeout value > for this PCIe Warm Reset (not Function-level reset).
The spec does not give any exceptions AFAICT as to the timeouts required between the three kinds of a Conventional Reset (Hot, Warm, or Cold) and refers to them collectively as a Conventional Reset across the relevant parts of the document, so clearly the same rules apply.
Maciej
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