lkml.org 
[lkml]   [2021]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: How long should be PCIe card in Warm Reset state?
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

\
 
 \ /
  Last update: 2021-03-30 16:36    [W:0.092 / U:4.984 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site