Hi,
This is how all devices look.
00:00.0 Host bridge: Intel Corporation 440FX - 82441FX PMC [Natoma] (rev
02)
Subsystem: Red Hat, Inc Qemu virtual machine
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
00:01.0 ISA bridge: Intel Corporation 82371SB PIIX3 ISA [Natoma/Triton II]
Subsystem: Red Hat, Inc Qemu virtual machine
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
<TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
00:01.1 IDE interface: Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton
II] (prog-if 80 [Master])
Subsystem: Red Hat, Inc Qemu virtual machine
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: [virtual] Memory at 000001f0 (32-bit, non-prefetchable)
[size=8]
Region 1: [virtual] Memory at 000003f0 (type 3, non-prefetchable)
[size=1]
Region 2: [virtual] Memory at 00000170 (32-bit, non-prefetchable)
[size=8]
Region 3: [virtual] Memory at 00000370 (type 3, non-prefetchable)
[size=1]
Region 4: I/O ports at c000 [size=16]
Kernel driver in use: ata_piix
00:01.3 Bridge: Intel Corporation 82371AB/EB/MB PIIX4 ACPI (rev 03)
Subsystem: Red Hat, Inc Qemu virtual machine
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort-
<MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 9
Kernel driver in use: piix4_smbus
Kernel modules: i2c-piix4
00:02.0 VGA compatible controller: Cirrus Logic GD 5446 (prog-if 00 [VGA
controller])
Subsystem: Red Hat, Inc Device 1100
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Region 0: Memory at f0000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at f2000000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at f2010000 [disabled] [size=64K]
Kernel modules: cirrusfb
00:03.0 Ethernet controller: Red Hat, Inc Virtio network device
Subsystem: Red Hat, Inc Device 0001
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at c020 [size=32]
Region 1: Memory at f2020000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at f2030000 [disabled] [size=64K]
Capabilities: [40] MSI-X: Enable+ Count=3 Masked-
Vector table: BAR=1 offset=00000000
PBA: BAR=1 offset=00000800
Kernel driver in use: virtio-pci
00:04.0 Ethernet controller: Intel Corporation Ethernet Controller
10-Gigabit X540-AT2 (rev 01)
Subsystem: Intel Corporation Ethernet Converged Network Adapter X540-T2
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 10
Region 0: Memory at f2200000 (32-bit, prefetchable) [size=2M]
Region 4: Memory at f2400000 (32-bit, prefetchable) [size=16K]
Expansion ROM at f2480000 [disabled] [size=512K]
Capabilities: [a0] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <512ns,
L1 <64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
LnkCap: Port #0, Speed 5GT/s, Width x8, ASPM L0s L1, Latency L0
<1us, L1
<8us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk- DLActive-
BWMgmt-
ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance-
ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -3.5dB
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [70] MSI-X: Enable+ Count=64 Masked-
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00002000
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit-
Address: 00000000 Data: 0000
Kernel driver in use: ixgbe
Kernel modules: ixgbe
00:05.0 Ethernet controller: Intel Corporation Ethernet Controller
10-Gigabit X540-AT2 (rev 01)
Subsystem: Intel Corporation Ethernet Converged Network Adapter X540-T2
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 10
Region 0: Memory at f2600000 (32-bit, prefetchable) [size=2M]
Region 4: Memory at f2800000 (32-bit, prefetchable) [size=16K]
Expansion ROM at f2880000 [disabled] [size=512K]
Capabilities: [a0] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <512ns,
L1 <64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
LnkCap: Port #0, Speed 5GT/s, Width x8, ASPM L0s L1, Latency L0
<1us, L1
<8us
ClockPM- Surprise- LLActRep- BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk- DLActive-
BWMgmt-
ABWMgmt-
DevCap2: Completion Timeout: Range ABCD, TimeoutDis+
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
Transmit Margin: Normal Operating Range,
EnterModifiedCompliance-
ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [70] MSI-X: Enable+ Count=64 Masked-
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00002000
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit-
Address: 00000000 Data: 0000
Kernel driver in use: ixgbe
Kernel modules: ixgbe
On 12/23/13 4:13 PM, "Tantilov, Emil S" <[email protected]> wrote:
>Can you provide the output of lspci -vvv from the network device in the
>VM?
>
>Thanks,
>Emil
>
>>-----Original Message-----
>>From: Chaitanya Lala [mailto:[email protected]]
>>Sent: Monday, December 23, 2013 4:03 PM
>>To: [email protected]
>>Cc: Chaitanya Lala
>>Subject: [E1000-devel] Possible bug in ixgbe-3.19.1
>>ixgbe_enumerate_functions()
>>
>>Hello,
>>
>>I am testing ixgbe-3.19.1 with my dual port x540 10G Base-T
>>card (PCIe
>>passthrough into a Ubuntu 12.10 VM).
>>I am seeing a warning like this -
>>
>>"This is not sufficient for optimal performance of this
>>card. For optimal
>>performance , at least 80 GT/s of bandwidth is required."
>>
>>This is not correct because I have a dual 10G port card and
>>have a PCIe
>>Gen2 based system and the card is in a x8 slot. So B/W
>>should not be an
>>issue
>>On tracing the code it seems like a bug in ->
>>
>>static inline int ixgbe_enumerate_functions(struct
>>ixgbe_adapter *adapter)
>>{
>> struct list_head *entry;
>> int physfns = 0;
>>
>> /* Some cards can not use the generic count PCIe
>>functions method,
>> * because they are behind a parent switch, so we
>>hardcode these to
>> * correct number of ports.
>> */
>> if (ixgbe_pcie_from_parent(&adapter->hw)) {
>> physfns = 4;
>> } else {
>> list_for_each(entry, &adapter->pdev-
>>>bus_list) {
>><-------------- This counts all pcie devices in the system
>>not just the
>>ones matching this card/intel NIC
>>#ifdef CONFIG_PCI_IOV
>> struct pci_dev *pdev =
>> list_entry(entry, struct
>>pci_dev,
>>bus_list);
>>
>> /* don't count virtual functions */
>> if (pdev->is_virtfn)
>> continue;
>>#endif
>>
>> physfns++; <------ Should only be
>>incremented
>>when an Intel NIC is found
>> }
>>
>>I can send a patch but not sure if what I am thinking is
>>the correct way
>>to solve this.
>>
>>Thanks,
>>Chaitanya
>>
>>
>>------------------------------------------------------------
>>------------------
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>>[email protected]
>>https://lists.sourceforge.net/lists/listinfo/e1000-devel
>>To learn more about Intel® Ethernet, visit
>>http://communities.intel.com/community/wired
------------------------------------------------------------------------------
Rapidly troubleshoot problems before they affect your business. Most IT
organizations don't have a clear picture of how application performance
affects their revenue. With AppDynamics, you get 100% visibility into your
Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro!
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