[dpdk-dev] vfio detection

Richardson, Bruce bruce.richardson at intel.com
Tue Jun 17 19:45:55 CEST 2014
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> -----Original Message-----
> From: Neil Horman [mailto:nhorman at tuxdriver.com]
> Sent: Tuesday, June 17, 2014 10:42 AM
> To: Richardson, Bruce
> Cc: Burakov, Anatoly; dev at dpdk.org
> Subject: Re: [dpdk-dev] vfio detection
> 
> On Tue, Jun 17, 2014 at 04:38:38PM +0000, Richardson, Bruce wrote:
> > > -----Original Message-----
> > > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Richardson, Bruce
> > > Sent: Tuesday, June 17, 2014 9:29 AM
> > > To: Burakov, Anatoly; dev at dpdk.org
> > > Subject: Re: [dpdk-dev] vfio detection
> > >
> > > > -----Original Message-----
> > > > From: Burakov, Anatoly
> > > > Sent: Tuesday, June 17, 2014 1:40 AM
> > > > To: Richardson, Bruce; dev at dpdk.org
> > > > Subject: RE: vfio detection
> > > >
> > > > Hi Bruce,
> > > >
> > > > > I have a number of NIC ports which were working correctly yesterday and
> > > are
> > > > > bound correctly to the igb_uio driver - and I want to keep using them
> > > > > through the igb_uio driver for now, not vfio. However, whenever I run a
> > > > > dpdk application today, I find that the vfio kernel module is getting
> loaded
> > > > > each time - even after I manually remove it, and verify that it has been
> > > > > removed by checking lsmod. Is this expected? If so, why are we loading
> the
> > > > > vfio driver when I just want to continue using igb_uio which works fine?
> > > >
> > > > Can you elaborate a bit on what do you mean by "loading vfio driver"? Do
> you
> > > > mean the vfio-pci kernel gets loaded by DPDK? I certainly didn't put in any
> code
> > > > that would automatically load that driver, and certainly not binding devices
> to
> > > it.
> > >
> > > The kernel module called just "vfio" is constantly getting reloaded, and there
> is
> > > always a "/dev/vfio" directory, which triggers the vfio code handling every
> time I
> > > run dpdk.
> > >
> > > >
> > > > > Secondly, then, when testpmd or any other app loads, it automatically
> tries
> > > > > to map the NIC using vfio and then aborts on the very first NIC port when
> it
> > > > > fails to do so.
> > > >
> > > > This shouldn't happen, unless you have a device bound to VFIO and have
> > > another
> > > > device in the same IOMMU group that is bound to something else. Can you
> > > > provide a log of what you are seeing?
> > >
> > > Log of testpmd run attached.
> >
> > Log got stripped from mail, including below instead.
> >
> > Script started on Tue 17 Jun 2014 17:23:54 IST
> >
> > bruce at silpixa00372841:dpdk.org$ ./tools/dpdk_nic_bind.py --status
> >
> > Network devices using DPDK-compatible driver
> > ============================================
> > 0000:84:00.0 'Ethernet Server Adapter X520-4' drv=igb_uio unused=ixgbe
> > 0000:87:00.0 'Ethernet Server Adapter X520-4' drv=igb_uio unused=ixgbe
> > 0000:8b:00.0 'Ethernet Server Adapter X520-4' drv=igb_uio unused=ixgbe
> > 0000:8e:00.0 'Ethernet Server Adapter X520-4' drv=igb_uio unused=ixgbe
> >
> > Network devices using kernel driver
> > ===================================
> > 0000:04:00.0 'I350 Gigabit Network Connection' if=em0 drv=igb
> unused=igb_uio *Active*
> > 0000:04:00.1 'I350 Gigabit Network Connection' if=ens2f1 drv=igb
> unused=igb_uio
> > 0000:04:00.2 'I350 Gigabit Network Connection' if=ens2f2 drv=igb
> unused=igb_uio
> > 0000:04:00.3 'I350 Gigabit Network Connection' if=ens2f3 drv=igb
> unused=igb_uio
> >
> > Other network devices
> > =====================
> > 0000:0a:00.1 'DH8900CC Null Device' unused=igb_uio
> > 0000:0b:00.1 'DH8900CC Null Device' unused=igb_uio
> > 0000:0c:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection'
> unused=ixgbe,igb_uio
> > 0000:0c:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection'
> unused=ixgbe,igb_uio
> > 0000:84:00.1 'Ethernet Server Adapter X520-4' unused=ixgbe,igb_uio
> > 0000:87:00.1 'Ethernet Server Adapter X520-4' unused=ixgbe,igb_uio
> > 0000:8b:00.1 'Ethernet Server Adapter X520-4' unused=ixgbe,igb_uio
> > 0000:8e:00.1 'Ethernet Server Adapter X520-4' unused=ixgbe,igb_uio
> >
> >
> > bruce at silpixa00372841:dpdk.org$ sudo ./x86_64-native-linuxapp-
> gcc/app/testpmd -c F00 -n 4 -- -i
> > EAL: Detected lcore 0 as core 0 on socket 0
> > EAL: Detected lcore 1 as core 1 on socket 0
> > EAL: Detected lcore 2 as core 2 on socket 0
> > EAL: Detected lcore 3 as core 3 on socket 0
> > EAL: Detected lcore 4 as core 4 on socket 0
> > EAL: Detected lcore 5 as core 5 on socket 0
> > EAL: Detected lcore 6 as core 6 on socket 0
> > EAL: Detected lcore 7 as core 7 on socket 0
> > EAL: Detected lcore 8 as core 0 on socket 1
> > EAL: Detected lcore 9 as core 1 on socket 1
> > EAL: Detected lcore 10 as core 2 on socket 1
> > EAL: Detected lcore 11 as core 3 on socket 1
> > EAL: Detected lcore 12 as core 4 on socket 1
> > EAL: Detected lcore 13 as core 5 on socket 1
> > EAL: Detected lcore 14 as core 6 on socket 1
> > EAL: Detected lcore 15 as core 7 on socket 1
> > EAL: Detected lcore 16 as core 0 on socket 0
> > EAL: Detected lcore 17 as core 1 on socket 0
> > EAL: Detected lcore 18 as core 2 on socket 0
> > EAL: Detected lcore 19 as core 3 on socket 0
> > EAL: Detected lcore 20 as core 4 on socket 0
> > EAL: Detected lcore 21 as core 5 on socket 0
> > EAL: Detected lcore 22 as core 6 on socket 0
> > EAL: Detected lcore 23 as core 7 on socket 0
> > EAL: Detected lcore 24 as core 0 on socket 1
> > EAL: Detected lcore 25 as core 1 on socket 1
> > EAL: Detected lcore 26 as core 2 on socket 1
> > EAL: Detected lcore 27 as core 3 on socket 1
> > EAL: Detected lcore 28 as core 4 on socket 1
> > EAL: Detected lcore 29 as core 5 on socket 1
> > EAL: Detected lcore 30 as core 6 on socket 1
> > EAL: Detected lcore 31 as core 7 on socket 1
> > EAL: Support maximum 64 logical core(s) by configuration.
> > EAL: Detected 32 lcore(s)
> > EAL: 1024 hugepages of size 2097152 reserved, but no mounted hugetlbfs
> found for that size
> > EAL: Setting up memory...
> > EAL: Ask a virtual area of 0x80000000 bytes
> > EAL: Virtual area found at 0x7fe5c0000000 (size = 0x80000000)
> > EAL: Ask a virtual area of 0x80000000 bytes
> > EAL: Virtual area found at 0x7fe500000000 (size = 0x80000000)
> > EAL: Requesting 2 pages of size 1024MB from socket 0
> > EAL: Requesting 2 pages of size 1024MB from socket 1
> > EAL: TSC frequency is ~2693503 KHz
> > EAL: Master core 8 is ready (tid=e877c880)
> > EAL: Core 11 is ready (tid=e6741700)
> > EAL: Core 10 is ready (tid=e6f42700)
> > EAL: Core 9 is ready (tid=e7743700)
> > EAL: PCI device 0000:04:00.0 on NUMA socket 0
> > EAL:   probe driver: 8086:1521 rte_igb_pmd
> > EAL:   unknown IOMMU driver!
> > EAL:   0000:04:00.0 cannot open VFIO container!
> > EAL: Error - exiting with code: 1
> >   Cause: Requested device 0000:04:00.0 cannot be used
> >
> >
> > bruce at silpixa00372841:dpdk.org$ exit
> > exit
> >
> > Script done on Tue 17 Jun 2014 17:25:29 IST
> >
> >
> Can you attach the lspci output for this system?
> Neil

See below. 
However, Anatoly's patch to do further one-time checks for vfio at startup fixes the issue nicely for me. It properly detects that vfio is not enabled and to skip it for all devices.

00:00.0 Host bridge: Intel Corporation Xeon E5/Core i7 DMI2 (rev 07)
00:01.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 1a (rev 07)
00:01.1 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 1b (rev 07)
00:02.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 2a (rev 07)
00:02.2 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 2c (rev 07)
00:03.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 3a in PCI Express Mode (rev 07)
00:03.2 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 3c (rev 07)
00:04.0 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 0 (rev 07)
00:04.1 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 1 (rev 07)
00:04.2 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 2 (rev 07)
00:04.3 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 3 (rev 07)
00:04.4 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 4 (rev 07)
00:04.5 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 5 (rev 07)
00:04.6 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 6 (rev 07)
00:04.7 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 7 (rev 07)
00:05.0 System peripheral: Intel Corporation Xeon E5/Core i7 Address Map, VTd_Misc, System Management (rev 07)
00:05.2 System peripheral: Intel Corporation Xeon E5/Core i7 Control Status and Global Errors (rev 07)
00:05.4 PIC: Intel Corporation Xeon E5/Core i7 I/O APIC (rev 07)
00:16.0 Communication controller: Intel Corporation C600/X79 series chipset MEI Controller #1 (rev 05)
00:16.1 Communication controller: Intel Corporation C600/X79 series chipset MEI Controller #2 (rev 05)
00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #2 (rev 06)
00:1c.0 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Root Port 1 (rev b6)
00:1c.7 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express Root Port 8 (rev b6)
00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2 Enhanced Host Controller #1 (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation C600/X79 series chipset LPC Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation C600/X79 series chipset SMBus Host Controller (rev 06)
01:00.0 PCI bridge: Intel Corporation C608/C606/X79 series chipset PCI Express Upstream Port (rev 06)
02:08.0 PCI bridge: Intel Corporation C608/C606/X79 series chipset PCI Express Virtual Switch Port (rev 06)
03:00.0 Serial Attached SCSI controller: Intel Corporation C600/X79 series chipset Dual 4-Port SATA Storage Control Unit (rev 06)
03:00.3 SMBus: Intel Corporation C600/X79 series chipset SMBus Controller 0 (rev 06)
03:00.4 SMBus: Intel Corporation C608/C606/X79 series chipset SMBus Controller 1 (rev 06)
04:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
04:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
04:00.2 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
04:00.3 Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
08:00.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI Express Gen 3 (8.0 GT/s) Switch (rev ca)
09:08.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI Express Gen 3 (8.0 GT/s) Switch (rev ca)
09:10.0 PCI bridge: PLX Technology, Inc. PEX 8747 48-Lane, 5-Port PCI Express Gen 3 (8.0 GT/s) Switch (rev ca)
0a:00.0 Co-processor: Intel Corporation Device 0434 (rev 21)
0a:00.1 Ethernet controller: Intel Corporation DH8900CC Null Device (rev 21)
0b:00.0 Co-processor: Intel Corporation Device 0434 (rev 21)
0b:00.1 Ethernet controller: Intel Corporation DH8900CC Null Device (rev 21)
0c:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
0c:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
0f:00.0 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200e [Pilot] ServerEngines (SEP1) (rev 07)
7f:08.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 0 (rev 07)
7f:09.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 1 (rev 07)
7f:0a.0 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 0 (rev 07)
7f:0a.1 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 1 (rev 07)
7f:0a.2 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 2 (rev 07)
7f:0a.3 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 3 (rev 07)
7f:0b.0 System peripheral: Intel Corporation Xeon E5/Core i7 Interrupt Control Registers (rev 07)
7f:0b.3 System peripheral: Intel Corporation Xeon E5/Core i7 Semaphore and Scratchpad Configuration Registers (rev 07)
7f:0c.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0c.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0c.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0c.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0c.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller System Address Decoder 0 (rev 07)
7f:0c.7 System peripheral: Intel Corporation Xeon E5/Core i7 System Address Decoder (rev 07)
7f:0d.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0d.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0d.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0d.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
7f:0d.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller System Address Decoder 1 (rev 07)
7f:0e.0 System peripheral: Intel Corporation Xeon E5/Core i7 Processor Home Agent (rev 07)
7f:0e.1 Performance counters: Intel Corporation Xeon E5/Core i7 Processor Home Agent Performance Monitoring (rev 07)
7f:0f.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Registers (rev 07)
7f:0f.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller RAS Registers (rev 07)
7f:0f.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 0 (rev 07)
7f:0f.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 1 (rev 07)
7f:0f.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 2 (rev 07)
7f:0f.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 3 (rev 07)
7f:0f.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 4 (rev 07)
7f:10.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 0 (rev 07)
7f:10.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 1 (rev 07)
7f:10.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 0 (rev 07)
7f:10.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 1 (rev 07)
7f:10.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 2 (rev 07)
7f:10.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 3 (rev 07)
7f:10.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 2 (rev 07)
7f:10.7 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 3 (rev 07)
7f:11.0 System peripheral: Intel Corporation Xeon E5/Core i7 DDRIO (rev 07)
7f:13.0 System peripheral: Intel Corporation Xeon E5/Core i7 R2PCIe (rev 07)
7f:13.1 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to PCI Express Performance Monitor (rev 07)
7f:13.4 Performance counters: Intel Corporation Xeon E5/Core i7 QuickPath Interconnect Agent Ring Registers (rev 07)
7f:13.5 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to QuickPath Interconnect Link 0 Performance Monitor (rev 07)
7f:13.6 System peripheral: Intel Corporation Xeon E5/Core i7 Ring to QuickPath Interconnect Link 1 Performance Monitor (rev 07)
80:01.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 1a (rev 07)
80:02.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 2a (rev 07)
80:02.2 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 2c (rev 07)
80:03.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 3a in PCI Express Mode (rev 07)
80:03.2 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root Port 3c (rev 07)
80:04.0 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 0 (rev 07)
80:04.1 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 1 (rev 07)
80:04.2 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 2 (rev 07)
80:04.3 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 3 (rev 07)
80:04.4 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 4 (rev 07)
80:04.5 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 5 (rev 07)
80:04.6 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 6 (rev 07)
80:04.7 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 7 (rev 07)
80:05.0 System peripheral: Intel Corporation Xeon E5/Core i7 Address Map, VTd_Misc, System Management (rev 07)
80:05.2 System peripheral: Intel Corporation Xeon E5/Core i7 Control Status and Global Errors (rev 07)
80:05.4 PIC: Intel Corporation Xeon E5/Core i7 I/O APIC (rev 07)
82:00.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ca)
83:00.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ca)
83:08.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ca)
83:09.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ca)
84:00.0 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
84:00.1 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
87:00.0 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
87:00.1 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
89:00.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ba)
8a:00.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ba)
8a:08.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ba)
8a:09.0 PCI bridge: PLX Technology, Inc. Device 8724 (rev ba)
8b:00.0 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
8b:00.1 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
8e:00.0 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
8e:00.1 Ethernet controller: Intel Corporation Ethernet Server Adapter X520-4 (rev 01)
ff:08.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 0 (rev 07)
ff:09.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 1 (rev 07)
ff:0a.0 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 0 (rev 07)
ff:0a.1 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 1 (rev 07)
ff:0a.2 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 2 (rev 07)
ff:0a.3 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control Unit 3 (rev 07)
ff:0b.0 System peripheral: Intel Corporation Xeon E5/Core i7 Interrupt Control Registers (rev 07)
ff:0b.3 System peripheral: Intel Corporation Xeon E5/Core i7 Semaphore and Scratchpad Configuration Registers (rev 07)
ff:0c.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0c.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0c.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0c.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0c.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller System Address Decoder 0 (rev 07)
ff:0c.7 System peripheral: Intel Corporation Xeon E5/Core i7 System Address Decoder (rev 07)
ff:0d.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0d.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0d.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0d.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast Register 0 (rev 07)
ff:0d.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller System Address Decoder 1 (rev 07)
ff:0e.0 System peripheral: Intel Corporation Xeon E5/Core i7 Processor Home Agent (rev 07)
ff:0e.1 Performance counters: Intel Corporation Xeon E5/Core i7 Processor Home Agent Performance Monitoring (rev 07)
ff:0f.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Registers (rev 07)
ff:0f.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller RAS Registers (rev 07)
ff:0f.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 0 (rev 07)
ff:0f.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 1 (rev 07)
ff:0f.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 2 (rev 07)
ff:0f.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 3 (rev 07)
ff:0f.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Target Address Decoder 4 (rev 07)
ff:10.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 0 (rev 07)
ff:10.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 1 (rev 07)
ff:10.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 0 (rev 07)
ff:10.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 1 (rev 07)
ff:10.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 2 (rev 07)
ff:10.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller Channel 0-3 Thermal Control 3 (rev 07)
ff:10.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 2 (rev 07)
ff:10.7 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated Memory Controller ERROR Registers 3 (rev 07)
ff:11.0 System peripheral: Intel Corporation Xeon E5/Core i7 DDRIO (rev 07)
ff:13.0 System peripheral: Intel Corporation Xeon E5/Core i7 R2PCIe (rev 07)
ff:13.1 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to PCI Express Performance Monitor (rev 07)
ff:13.4 Performance counters: Intel Corporation Xeon E5/Core i7 QuickPath Interconnect Agent Ring Registers (rev 07)
ff:13.5 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to QuickPath Interconnect Link 0 Performance Monitor (rev 07)
ff:13.6 System peripheral: Intel Corporation Xeon E5/Core i7 Ring to QuickPath Interconnect Link 1 Performance Monitor (rev 07)
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