linux-pci.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Maciej W. Rozycki" <macro@orcam.me.uk>
To: "Pali Rohár" <pali@kernel.org>
Cc: David Laight <David.Laight@ACULAB.COM>,
	'Amey Narkhede' <ameynarkhede03@gmail.com>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	"helgaas@kernel.org" <helgaas@kernel.org>,
	"lorenzo.pieralisi@arm.com" <lorenzo.pieralisi@arm.com>,
	"kabel@kernel.org" <kabel@kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"raphael.norwitz@nutanix.com" <raphael.norwitz@nutanix.com>
Subject: Re: How long should be PCIe card in Warm Reset state?
Date: Tue, 30 Mar 2021 17:22:51 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.2103301714450.18977@angie.orcam.me.uk> (raw)
In-Reply-To: <20210330150458.gzz44gczhraxc6bc@pali>

On Tue, 30 Mar 2021, Pali Rohár wrote:

> >  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.
> 
> There are specified more timeouts related to Warm reset and PERST#
> signal. Just they are not in Base spec, but in CEM spec. See previous
> Amey's email where are described some timeouts and also links in my
> first email where I put other timeouts defined in specs relevant for
> PERST# signal and therefore also for Warm Reset.

 I specifically referred to the time allowed for devices to take between a 
reset and the first successful configuration cycle David wondered about.  
I don't think I can comment on the timeouts given in the CEM spec as I 
don't have a copy.  Sorry.

  Maciej

  reply	other threads:[~2021-03-30 15:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-10 11:05 How long should be PCIe card in Warm Reset state? Pali Rohár
2021-03-23 16:19 ` Amey Narkhede
2021-03-23 16:27   ` Pali Rohár
2021-03-23 16:57     ` Amey Narkhede
2021-03-25  9:18       ` David Laight
2021-03-30 13:04         ` Maciej W. Rozycki
2021-03-30 13:10           ` Pali Rohár
2021-03-30 14:34             ` Maciej W. Rozycki
2021-03-30 15:04               ` Pali Rohár
2021-03-30 15:22                 ` Maciej W. Rozycki [this message]
2021-04-25 15:39           ` Pali Rohár

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.DEB.2.21.2103301714450.18977@angie.orcam.me.uk \
    --to=macro@orcam.me.uk \
    --cc=David.Laight@ACULAB.COM \
    --cc=alex.williamson@redhat.com \
    --cc=ameynarkhede03@gmail.com \
    --cc=helgaas@kernel.org \
    --cc=kabel@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=pali@kernel.org \
    --cc=raphael.norwitz@nutanix.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).