> -----Original Message-----
> From: Jeff Kirsher [mailto:[email protected]]
> Sent: Thursday, November 08, 2012 3:23 AM
> To: pkill.2012
> Cc: linux-kernel; netdev; kvm; [email protected]; Rose,
> Gregory V
> Subject: Re: SR-IOV problem with Intel 82599EB (not enough MMIO resources
> for SR-IOV)
> 
> On 11/08/2012 03:15 AM, pkill.2012 wrote:
> > Hello,
> >
> > I installed kvm and tried to use SR-IOV virtualizaton for
> > 82599EB(Intel XT-520 T2) dual port card with latest ixgbe
> > driver(version:3.11.33) ,
> > kernel2.6.32-279.14.1(OS:Centos6.3) ,after configuration and reboot It
> > seems that only first port of the card's VFs works,second port of the
> > card's VFs didn't work I found some errors in /var/log messages:
> >
> > Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: not enough MMIO
> > resources for SR-IOV Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1:
> > (unregistered net_device): Failed to enable PCI sriov: -12
> >
> > How to fix it,any help would be greatly appreciated.

The BIOS in your machine doesn't support SR-IOV.  You'll need to ask the 
manufacturer for a BIOS upgrade, if in fact one is available.  Sometimes 
they're not.

- Greg

> >
> > below is the related information:
> > Server: R710
> > OS: centos6.3
> > NIC: X520-T2(dual port)
> > kernel: 2.6.32-279.14.1.el6.x86_64
> > BIOSVersion: 6.3.0(latest)
> > BIOS:Inter VT/VT-d or SR-IOV(enabled)
> > ixgbe:3.11.33(latest)
> > ixgbevf:2.7.12(latest)
> > grub config:intel_iommu=on appended
> >
> > /var/log/messages:
> > Nov  8 14:56:54 12 kernel: Intel(R) 10 Gigabit PCI Express Network
> > Driver - version 3.11.33 Nov  8 14:56:54 12 kernel: Copyright (c) 1999-
> 2012 Intel Corporation.
> > Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.0: PCI INT B -> GSI 50
> > (level, low) -> IRQ 50 Nov  8 14:56:54 12 kernel: ixgbe: I/O
> > Virtualization (IOV) set to 2 Nov  8 14:56:54 12 kernel: ixgbe:
> > 0000:07:00.0: ixgbe_check_options: FCoE Offload feature enabled Nov  8
> > 14:56:54 12 kernel: ixgbe 0000:07:00.0: (unregistered net_device):
> > SR-IOV enabled with 2 VFs Nov  8 14:56:54 12 kernel: ixgbe
> > 0000:07:00.0: FCoE offload feature is not available. Disabling FCoE
> > offload feature Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.0: (PCI
> > Express:5.0GT/s:Width x8) 68:05:ca:0c:7a:e2 Nov  8 14:56:54 12 kernel:
> > ixgbe 0000:07:00.0: eth4: MAC: 2, PHY: 2, PBA No: G21371-003 Nov  8
> > 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: Enabled Features: RxQ: 1
> > TxQ: 1 LRO Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: IOV:
> > VF 0 is enabled mac 0E:15:B9:26:B3:7D Nov  8 14:56:54 12 kernel: ixgbe
> > 0000:07:00.0: eth4: IOV: VF 1 is enabled mac 32:69:2D:16:B9:40 Nov  8
> > 14:56:54 12 kernel: ixgbe 0000:07:00.0: eth4: Intel(R) 10 Gigabit
> > Network Connection Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: PCI
> > INT A -> GSI 40 (level, low) -> IRQ 40 Nov  8 14:56:54 12 kernel:
> > ixgbe: I/O Virtualization (IOV) set to 2 Nov  8 14:56:54 12 kernel:
> > ixgbe: 0000:07:00.1: ixgbe_check_options: FCoE Offload feature enabled
> > Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: not enough MMIO resources
> for SR-IOV Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: (unregistered
> net_device): Failed to enable PCI sriov: -12 Nov  8 14:56:54 12 kernel:
> ixgbe 0000:07:00.1: FCoE offload feature is not available. Disabling FCoE
> offload feature Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: (PCI
> Express:5.0GT/s:Width x8) 68:05:ca:0c:7a:e3 Nov  8 14:56:54 12 kernel:
> ixgbe 0000:07:00.1: eth5: MAC: 2, PHY: 2, PBA No: G21371-003 Nov  8
> 14:56:54 12 kernel: ixgbe 0000:07:00.1: eth5: Enabled Features:
> > RxQ: 16 TxQ: 16 FdirHash RSC
> > Nov  8 14:56:54 12 kernel: ixgbe 0000:07:00.1: eth5: Intel(R) 10
> > Gigabit Network Connection
> >
> > # dmesg |grep -E 'DMA|IOMMU'
> > ACPI: DMAR 00000000bf3b3668 001C0 (v01 DELL   PE_SC3   00000001 DELL
> 00000001)
> >   DMA      0x00000001 -> 0x00001000
> >   DMA32    0x00001000 -> 0x00100000
> >   DMA zone: 56 pages used for memmap
> >   DMA zone: 102 pages reserved
> >   DMA zone: 3839 pages, LIFO batch:0
> >   DMA32 zone: 14280 pages used for memmap
> >   DMA32 zone: 764849 pages, LIFO batch:31
> > Intel-IOMMU: enabled
> > DMAR: Host address width 40
> > DMAR: DRHD base: 0x000000fed90000 flags: 0x1 IOMMU fed90000: ver 1:0
> > cap c90780106f0462 ecap f020fe
> > DMAR: RMRR base: 0x000000bf4c8000 end: 0x000000bf4dffff
> > DMAR: RMRR base: 0x000000bf4b1000 end: 0x000000bf4bffff
> > DMAR: RMRR base: 0x000000bf4a1000 end: 0x000000bf4a1fff
> > DMAR: RMRR base: 0x000000bf4a3000 end: 0x000000bf4a3fff
> > DMAR: RMRR base: 0x000000bf4a5000 end: 0x000000bf4a5fff
> > DMAR: RMRR base: 0x000000bf4a7000 end: 0x000000bf4a7fff
> > DMAR: RMRR base: 0x000000bf4c0000 end: 0x000000bf4c0fff
> > DMAR: RMRR base: 0x000000bf4c2000 end: 0x000000bf4c2fff
> > DMAR: ATSR flags: 0x0
> > DMAR: Device scope device [0000:00:1a.02] not found
> > DMAR: Device scope device [0000:00:1a.02] not found
> > DMAR: Device scope device [0000:00:1d.02] not found
> > DMAR: Device scope device [0000:00:1d.02] not found IOMMU 0xfed90000:
> > using Queued invalidation
> > IOMMU: Setting RMRR:
> > IOMMU: Setting identity map for device 0000:00:1d.7 [0xbf4c2000 -
> > 0xbf4c3000]
> > IOMMU: Setting identity map for device 0000:00:1a.7 [0xbf4c0000 -
> > 0xbf4c1000]
> > IOMMU: Setting identity map for device 0000:00:1d.1 [0xbf4a7000 -
> > 0xbf4a8000]
> > IOMMU: Setting identity map for device 0000:00:1d.0 [0xbf4a5000 -
> > 0xbf4a6000]
> > IOMMU: Setting identity map for device 0000:00:1a.1 [0xbf4a3000 -
> > 0xbf4a4000]
> > IOMMU: Setting identity map for device 0000:00:1a.0 [0xbf4a1000 -
> > 0xbf4a2000]
> > IOMMU: Setting identity map for device 0000:00:1a.0 [0xbf4b1000 -
> > 0xbf4c0000]
> > IOMMU: Setting identity map for device 0000:00:1a.1 [0xbf4b1000 -
> > 0xbf4c0000]
> > IOMMU: Setting identity map for device 0000:00:1d.0 [0xbf4b1000 -
> > 0xbf4c0000]
> > IOMMU: Setting identity map for device 0000:00:1d.1 [0xbf4b1000 -
> > 0xbf4c0000]
> > IOMMU: Setting identity map for device 0000:00:1a.7 [0xbf4c8000 -
> > 0xbf4e0000]
> > IOMMU: Setting identity map for device 0000:00:1d.7 [0xbf4c8000 -
> > 0xbf4e0000]
> > IOMMU: Prepare 0-16MiB unity mapping for LPC
> > IOMMU: Setting identity map for device 0000:00:1f.0 [0x0 - 0x1000000]
> > PCI-DMA: Intel(R) Virtualization Technology for Directed I/O
> > ata1: SATA max UDMA/133 cmd 0xdc10 ctl 0xdc08 bmdma 0xdc20 irq 23
> > ata2: SATA max UDMA/133 cmd 0xdc18 ctl 0xdc0c bmdma 0xdc28 irq 23
> > ata1.00: ATAPI: TSSTcorp DVD-ROM SN-108BB, D150, max UDMA/100
> > ata1.00: configured for UDMA/100
> >
> > # lspci|grep Virtual
> > 07:10.0 Ethernet controller: Intel Corporation 82599 Virtual Function
> > (rev 01)
> > 07:10.2 Ethernet controller: Intel Corporation 82599 Virtual Function
> > (rev 01)
> >
> > #lspci|grep '82599EB'
> > 07:00.0 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> > Network Connection (rev 01)
> > 07:00.1 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> > Network Connection (rev 01)
> >
> > # lspci -n|grep 07:00
> > 07:00.0 0200: 8086:151c (rev 01)
> > 07:00.1 0200: 8086:151c (rev 01)
> >
> > # lspci -n -d 8086:151c -vvv|grep -i width
> > LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1
> > <8us
> > LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive-
> > BWMgmt- ABWMgmt-
> > LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, Latency L0 <1us, L1
> > <8us
> > LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive-
> > BWMgmt- ABWMgmt-
> >
> > #lspci -vvv -s 07:00
> > 07:00.0 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> > Network Connection (rev 01)
> > Subsystem: Intel Corporation Ethernet Server Adapter X520-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 50
> > Region 0: Memory at de400000 (64-bit, non-prefetchable) [size=2M]
> > Region 2: I/O ports at ecc0 [size=32] Region 4: Memory at de3f8000
> > (64-bit, non-prefetchable) [size=16K] Expansion ROM at de200000
> > [disabled] [size=1M]
> > 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=1 PME-
> > Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
> > Address: 0000000000000000  Data: 0000
> > Masking: 00000000  Pending: 00000000
> > Capabilities: [70] MSI-X: Enable+ Count=64 Masked- Vector table: BAR=4
> > offset=00000000
> > PBA: BAR=4 offset=00002000
> > 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+ FLReset-
> > MaxPayload 256 bytes, MaxReadReq 512 bytes
> > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
> > LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, 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: 65ms to 210ms, 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: -6dB
> > Capabilities: [e0] Vital Product Data
> > Unknown small resource type 06, will not decode more.
> > Capabilities: [100] Advanced Error Reporting
> > UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
> > MalfTLP- ECRC- UnsupReq- ACSViol-
> > UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt+ UnxCmplt+ RxOF-
> > MalfTLP- ECRC- UnsupReq- ACSViol-
> > UESvrt: DLP+ SDES- TLP+ FCP+ CmpltTO+ CmpltAbrt- UnxCmplt- RxOF+
> > MalfTLP+ ECRC+ UnsupReq- ACSViol-
> > CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
> > CEMsk: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ NonFatalErr+
> > AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
> > Capabilities: [140] Device Serial Number 68-05-ca-ff-ff-0c-7a-e2
> > Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
> > ARICap: MFVC- ACS-, Next Function: 1
> > ARICtl: MFVC- ACS-, Function Group: 0
> > Capabilities: [160] Single Root I/O Virtualization (SR-IOV)
> > IOVCap: Migration-, Interrupt Message Number: 000
> > IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy+
> > IOVSta: Migration-
> > Initial VFs: 64, Total VFs: 64, Number of VFs: 2, Function Dependency
> > Link: 00 VF offset: 128, stride: 2, Device ID: 10ed Supported Page
> > Size: 00000553, System Page Size: 00000001 Region 0: Memory at
> > 00000000d5900000 (64-bit, prefetchable) Region 3: Memory at
> > 00000000d5a00000 (64-bit, prefetchable) VF Migration: offset:
> > 00000000, BIR: 0 Kernel driver in use: ixgbe Kernel modules: ixgbe
> > 07:00.1 Ethernet controller: Intel Corporation 82599EB 10 Gigabit TN
> > Network Connection (rev 01)
> > Subsystem: Intel Corporation Ethernet Server Adapter X520-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 40
> > Region 0: Memory at de600000 (64-bit, non-prefetchable) [size=2M]
> > Region 2: I/O ports at ece0 [size=32] Region 4: Memory at de3fc000
> > (64-bit, non-prefetchable) [size=16K] Expansion ROM at d5800000
> > [disabled] [size=1M]
> > 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=1 PME-
> > Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
> > Address: 0000000000000000  Data: 0000
> > Masking: 00000000  Pending: 00000000
> > Capabilities: [70] MSI-X: Enable+ Count=64 Masked- Vector table: BAR=4
> > offset=00000000
> > PBA: BAR=4 offset=00002000
> > 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+ FLReset-
> > MaxPayload 256 bytes, MaxReadReq 512 bytes
> > DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-
> > LnkCap: Port #2, Speed 5GT/s, Width x8, ASPM L0s, 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: 65ms to 210ms, 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: [e0] Vital Product Data
> > Unknown small resource type 06, will not decode more.
> > Capabilities: [100] Advanced Error Reporting
> > UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF-
> > MalfTLP- ECRC- UnsupReq- ACSViol-
> > UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt+ UnxCmplt+ RxOF-
> > MalfTLP- ECRC- UnsupReq- ACSViol-
> > UESvrt: DLP+ SDES- TLP+ FCP+ CmpltTO+ CmpltAbrt- UnxCmplt- RxOF+
> > MalfTLP+ ECRC+ UnsupReq- ACSViol-
> > CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
> > CEMsk: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ NonFatalErr+
> > AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
> > Capabilities: [140] Device Serial Number 68-05-ca-ff-ff-0c-7a-e2
> > Capabilities: [150] Alternative Routing-ID Interpretation (ARI)
> > ARICap: MFVC- ACS-, Next Function: 0
> > ARICtl: MFVC- ACS-, Function Group: 0
> > Capabilities: [160] Single Root I/O Virtualization (SR-IOV)
> > IOVCap: Migration-, Interrupt Message Number: 000
> > IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy-
> > IOVSta: Migration-
> > Initial VFs: 64, Total VFs: 64, Number of VFs: 2, Function Dependency
> > Link: 01 VF offset: 128, stride: 2, Device ID: 10ed Supported Page
> > Size: 00000553, System Page Size: 00000001 Region 0: Memory at
> > 00000000d5b00000 (64-bit, prefetchable) Region 3: Memory at
> > 00000000d5b00000 (64-bit, prefetchable) VF Migration: offset:
> > 00000000, BIR: 0 Kernel driver in use: ixgbe Kernel modules: ixgbe
> >
> > #modinfo ixgbe
> > filename:       /lib/modules/2.6.32-
> 279.14.1.el6.x86_64/kernel/drivers/net/ixgbe/ixgbe.ko
> > version:        3.11.33
> > license:        GPL
> > description:    Intel(R) 10 Gigabit PCI Express Network Driver
> > author:         Intel Corporation, <[email protected]>
> > srcversion:     ADDCBFA6FAFE8A0299074F8
> > alias:          pci:v00008086d0000154Asv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001557sv*sd*bc*sc*i*
> > alias:          pci:v00008086d0000154Fsv*sd*bc*sc*i*
> > alias:          pci:v00008086d0000154Dsv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001528sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010F8sv*sd*bc*sc*i*
> > alias:          pci:v00008086d0000151Csv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001529sv*sd*bc*sc*i*
> > alias:          pci:v00008086d0000152Asv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010F9sv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001514sv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001507sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010FBsv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001517sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010FCsv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010F7sv*sd*bc*sc*i*
> > alias:          pci:v00008086d00001508sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010DBsv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010F4sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010E1sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010F1sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010ECsv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010DDsv*sd*bc*sc*i*
> > alias:          pci:v00008086d0000150Bsv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010C8sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010C7sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010C6sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010B6sv*sd*bc*sc*i*
> > depends:        dca
> > vermagic:       2.6.32-279.14.1.el6.x86_64 SMP mod_unload modversions
> > parm:           InterruptType:Change Interrupt Mode (0=Legacy, 1=MSI,
> 2=MSI-X), default IntMode (deprecated) (array of int)
> > parm:           IntMode:Change Interrupt Mode (0=Legacy, 1=MSI, 2=MSI-
> X), default 2 (array of int)
> > parm:           MQ:Disable or enable Multiple Queues, default 1 (array
> of int)
> > parm:           DCA:Disable or enable Direct Cache Access, 0=disabled,
> 1=descriptor only, 2=descriptor and data (array of int)
> > parm:           RSS:Number of Receive-Side Scaling Descriptor Queues,
> default 0=number of cpus (array of int)
> > parm:           VMDQ:Number of Virtual Machine Device Queues: 0/1 =
> disable, 2-16 enable (default=8) (array of int)
> > parm:           max_vfs:Number of Virtual Functions: 0 = disable
> (default), 1-63 = enable this many VFs (array of int)
> > parm:           L2LBen:L2 Loopback Enable: 0 = disable, 1 = enable
> (default) (array of int)
> > parm:           InterruptThrottleRate:Maximum interrupts per second, per
> vector, (0,1,956-488281), default 1 (array of int)
> > parm:           LLIPort:Low Latency Interrupt TCP Port (0-65535) (array
> of int)
> > parm:           LLIPush:Low Latency Interrupt on TCP Push flag (0,1)
> (array of int)
> > parm:           LLISize:Low Latency Interrupt on Packet Size (0-1500)
> (array of int)
> > parm:           LLIEType:Low Latency Interrupt Ethernet Protocol Type
> (array of int)
> > parm:           LLIVLANP:Low Latency Interrupt on VLAN priority
> threshold (array of int)
> > parm:           FdirPballoc:Flow Director packet buffer allocation
> level:
> > 1 = 8k hash filters or 2k perfect filters
> > 2 = 16k hash filters or 4k perfect filters
> > 3 = 32k hash filters or 8k perfect filters (array of int)
> > parm:           AtrSampleRate:Software ATR Tx packet sample rate (array
> of int)
> > parm:           FCoE:Disable or enable FCoE Offload, default 1 (array of
> int)
> > parm:           LRO:Large Receive Offload (0,1), default 1 = on (array
> of int)
> > parm:           allow_unsupported_sfp:Allow unsupported and untested
> SFP+ modules on 82599 based adapters, default 0 = Disable (array of int)
> >
> > # modinfo ixgbevf
> > filename:       /lib/modules/2.6.32-
> 279.14.1.el6.x86_64/kernel/drivers/net/ixgbevf/ixgbevf.ko
> > version:        2.7.12
> > license:        GPL
> > description:    Intel(R) 10 Gigabit PCI Express Virtual Function Network
> Driver
> > author:         Intel Corporation, <[email protected]>
> > srcversion:     4D00B4A5B811D6D07D8BD15
> > alias:          pci:v00008086d00001515sv*sd*bc*sc*i*
> > alias:          pci:v00008086d000010EDsv*sd*bc*sc*i*
> > depends:
> > vermagic:       2.6.32-279.14.1.el6.x86_64 SMP mod_unload modversions
> > parm:           InterruptThrottleRate:Maximum interrupts per second, per
> vector, (956-488281), default 8000, use 1 for dynamic (array of int)
> >
> >
> > # dmidecode -t bios
> > # dmidecode 2.11
> > SMBIOS 2.6 present.
> > Handle 0x0000, DMI type 0, 24 bytes
> > BIOS Information
> >         Vendor: Dell Inc.
> >         Version: 6.3.0
> >         Release Date: 07/24/2012
> >         Address: 0xF0000
> >         Runtime Size: 64 kB
> >         ROM Size: 4096 kB
> >         Characteristics:
> >                 ISA is supported
> >                 PCI is supported
> >                 PNP is supported
> >                 BIOS is upgradeable
> >                 BIOS shadowing is allowed
> >                 Boot from CD is supported
> >                 Selectable boot is supported
> >                 EDD is supported
> >                 Japanese floppy for Toshiba 1.2 MB is supported (int
> 13h)
> >                 5.25"/360 kB floppy services are supported (int 13h)
> >                 5.25"/1.2 MB floppy services are supported (int 13h)
> >                 3.5"/720 kB floppy services are supported (int 13h)
> >                 8042 keyboard services are supported (int 9h)
> >                 Serial services are supported (int 14h)
> >                 CGA/mono video services are supported (int 10h)
> >                 ACPI is supported
> >                 USB legacy is supported
> >                 BIOS boot specification is supported
> >                 Function key-initiated network boot is supported
> >                 Targeted content distribution is supported
> >         BIOS Revision: 6.3
> > Handle 0x0D00, DMI type 13, 22 bytes
> > BIOS Language Information
> >         Language Description Format: Long
> >         Installable Languages: 1
> >                 en|US|iso8859-1
> >         Currently Installed Language: en|US|iso8859-1
> >
> > Jason Gao
> > --
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe
> > linux-kernel" in the body of a message to [email protected]
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at  http://www.tux.org/lkml/
> Adding e100-devel mailing list

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