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From: Tal Shnaiderman <talshn@nvidia.com>
To: "Menon, Ranjit" <ranjit.menon@intel.com>,
	Narcisa Ana Maria Vasile <navasile@linux.microsoft.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	NBU-Contact-Thomas Monjalon <thomas@monjalon.net>,
	"pallavi.kadam@intel.com" <pallavi.kadam@intel.com>,
	"dmitry.kozliuk@gmail.com" <dmitry.kozliuk@gmail.com>,
Subject: Re: [dpdk-dev] [PATCH] bus/pci: support segment value as address domain on Windows
Date: Sun, 13 Sep 2020 14:50:45 +0000
Message-ID: <BY5PR12MB432308491F9EE8F852058BACA4220@BY5PR12MB4323.namprd12.prod.outlook.com> (raw)
In-Reply-To: <0897c65e-a90c-e02e-e1f4-44a28993615f@intel.com>

> Subject: Re: [PATCH] bus/pci: support segment value as address domain on
> Windows
> Thanks for the explanation, Tal.
> I had always been curious how Windows stores the PCIe segment (domain)
> number.
> On VMs hosted on Hyper-V, the VF segment numbers are always in the high
> 16-bit values.
> Is this documented somewhere, or did you find this by experimentation?
Hi Ranjit,

I didn’t find documentation on it.
I found it by experimentation on a Windows VM with several VFs using the same virtual switch, Linux VFs showed the same behavior but they are being detected using the domain value which is different.
> ranjit m.

  reply	other threads:[~2020-09-13 14:51 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 [this message]
2020-09-10 17:57     ` Dmitry Kozlyuk
2020-09-13 14:54       ` Tal Shnaiderman
2020-09-16 18:32 ` Ranjit Menon
2020-10-14  9:01   ` Thomas Monjalon

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