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 [thread overview]
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.
next prev 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
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