DPDK patches and discussions
 help / color / mirror / Atom feed
From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
To: Tal Shnaiderman <talshn@nvidia.com>
Cc: Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	"pallavi.kadam@intel.com" <pallavi.kadam@intel.com>,
	"ranjit.menon@intel.com" <ranjit.menon@intel.com>,
	"harini.ramakrishnan@microsoft.com"
	<harini.ramakrishnan@microsoft.com>
Subject: Re: [dpdk-dev] [PATCH] bus/pci: support segment value as address domain on Windows
Date: Thu, 10 Sep 2020 20:57:00 +0300
Message-ID: <20200910205700.2893a935@sovereign> (raw)
In-Reply-To: <BY5PR12MB4323E9BFD579BD644F03B66CA4270@BY5PR12MB4323.namprd12.prod.outlook.com>

On Thu, 10 Sep 2020 07:30:39 +0000, Tal Shnaiderman wrote:
> Right, it can happen in virtualization setups when several virtual functions can have the same BDF, e.g.: 
> 
> PS  > Get-NetAdapterHardwareInfo
> 
> Name                           Segment Bus Device Function Slot NumaNode PcieLinkSpeed
> ----                           ------- --- ------ -------- ---- -------- -------------
> Ethernet                                   0   0     10       0                      Unknown
> Ethernet 4                       58601   0      2        0             0       Unknown
> Ethernet 5                       52956   0      2        0             0       Unknown
> 
> DPDK currently can detect either Ethernet 4 or ethernet 5 if only BDF is checked.
> Unix uses the Domain value, the equivalent value for Windows is Segment.

Hi Tal,

I wonder how exactly this setup can be reproduced, i.e. could you
share relevant QEMU options, VMX file or some other config you're using?
Patch idea and code look clear, however, I never managed to build QEMU PCIe
hierarchy to see it working.

  parent reply	other threads:[~2020-09-10 17:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-25 11:43 Tal Shnaiderman
2020-09-09 23:21 ` Narcisa Ana Maria Vasile
2020-09-10  7:30   ` Tal Shnaiderman
2020-09-10 17:21     ` Menon, Ranjit
2020-09-13 14:50       ` Tal Shnaiderman
2020-09-10 17:57     ` Dmitry Kozlyuk [this message]
2020-09-13 14:54       ` Tal Shnaiderman
2020-09-16 18:32 ` Ranjit Menon
2020-10-14  9:01   ` Thomas Monjalon

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=20200910205700.2893a935@sovereign \
    --to=dmitry.kozliuk@gmail.com \
    --cc=dev@dpdk.org \
    --cc=harini.ramakrishnan@microsoft.com \
    --cc=navasile@linux.microsoft.com \
    --cc=pallavi.kadam@intel.com \
    --cc=ranjit.menon@intel.com \
    --cc=talshn@nvidia.com \
    --cc=thomas@monjalon.net \
    /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

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git