[Xen-users] How to find out if the installed NIC supports SR-IOV?

[C K Kashyap <ckkashyap@xxxxxxxxx>]

Hi,

I am working with a westemere based server. I need to find out if the NIC installed there supports SR-IOV - what would be the best way to determine that?

Regards,

Kashyap

hwconfig

-------------

Summary:        HP DL160 G6, 2 x Xeon E5620 2.40GHz, 15.7GB / 16GB 1333MHz, 1 x 500GB SATA

System:         HP ProLiant DL160 G6, C-2N/16/500, ySPEC 25.0

Processors:     2 x Xeon E5620 2.40GHz (HT enabled, 8 cores, 16 threads) - Gulftown B1, 64-bit, quad-core, 32nm, L3: 12MB

Memory:         15.7GB / 16GB 1333MHz == 4 x 4GB - 4GB PC3-10600 Hynix DDR3-1333 ECC Registered CL9 1Rx4

                                         14 x empty

Disk:           sda (ahci0): 500GB (1%) JBOD == 1 x 500GB 7.2K SATA/300 HP/WD RE4

Disk-Control:   ahci0: HP/Intel ICH10 82801J 6 Port SATA/300 AHCI

Chipset:        Intel 5520 IOH-36D B3 (Tylersburg), 82801JIR A0 (ICH10R)

Network:        eth0 (igb): HP NC362i/Intel 82576 Gigabit, 1Gb/s <full-duplex>

Network:        eth1 (igb): HP NC362i/Intel 82576 Gigabit, no carrier

OS:             YLinux 5.4.3, RHEL Server 5.4, Linux 2.6.18-164.2.1.el5 x86_64, 64-bit

BIOS:           HP O33 08/16/2010, rev 8.15

lspci shows this - 

05:00.0 Ethernet controller: Intel Corporation 82576 Gigabit Network Connection (rev 01)

        Subsystem: Hewlett-Packard Company NC362i Integrated Dual port Gigabit Server Adapter

        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-

        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

        Latency: 0, Cache Line Size: 256 bytes

        Interrupt: pin A routed to IRQ 82

        Region 0: Memory at fbe60000 (32-bit, non-prefetchable) [size=128K]

        Region 1: Memory at fbe40000 (32-bit, non-prefetchable) [size=128K]

        Region 2: I/O ports at e880 [size=32]

        Region 3: Memory at fbeb8000 (32-bit, non-prefetchable) [size=16K]

        Expansion ROM at fbe20000 [disabled] [size=128K]

        Capabilities: [40] Power Management version 3

                Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)

                Status: D0 PME-Enable- DSel=0 DScale=1 PME-

        Capabilities: [50] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-

                Address: 0000000000000000  Data: 0000

        Capabilities: [70] MSI-X: Enable+ Mask- TabSize=10

                Vector table: BAR=3 offset=00000000

                PBA: BAR=3 offset=00002000

        Capabilities: [a0] Express Endpoint IRQ 0

                Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-

                Device: Latency L0s <512ns, L1 <64us

                Device: AtnBtn- AtnInd- PwrInd-

                Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported-

                Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+

                Device: MaxPayload 256 bytes, MaxReadReq 4096 bytes

                Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 2

                Link: Latency L0s <4us, L1 <64us

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