Re: [Xen-API] PCI pass through XCP 1.6

[Aleksey Kashin <aleksey.kashin@xxxxxxxxx>]

Hello.

i need to install kernel version 2.6.37 and high -
http://wiki.xen.org/wiki/Xen_PCI_Passthrough#Does_upstream_kernel.org_Linux_2.6.3x_kernel_work_as_PV_guest_.28domU.29_kernel_for_PCI_passthru_usage.3F

When I installed kernel version 3.2 from squeeze-backports I saw my
usb dongles in VM.

Thank you.

2013/3/4, Aleksey Kashin <aleksey.kashin@xxxxxxxxx>:
> Hello,
>
> I have server with XCP 1.6.
> [root@xcp1 ~]# lsb_release -a
> LSB Version:  :core-4.0-ia32:core-4.0-noarch
> Distributor ID:       XCP
> Description:  XCP release 1.6.10-61809c
> Release:      1.6.10-61809c
> Codename:     n/a
>
> I need to pass through USB-dongles inside VM.
> I'm trying pass through all of my usb controllers in VM (Debian 6.0.7
> squeeze, amd64).
>
> For example:
> 1. I added "iommu=1 iommu_inclusive_mapping=1" in the
> /boot/extlinux.conf and executed extlinux -U /boot. After that I
> reboot my server
> label xe-serial
>   # XCP (Serial)
>   kernel mboot.c32
>   append /boot/xen.gz iommu=1 iommu_inclusive_mapping=1
> com1=115200,8n1 console=com1,vga mem=1024G dom0_mem=752M,max:752M
> watchdog_timeout=300 cpuid_mask_xsave_eax=0 lowmem_emergency_pool=1M
> crashkernel=64M@32M dom0_max_vcpus=1-4 --- /boot/vmlinuz-2.6-xen
> root=LABEL=root-myvmhqwu ro console=tty0 xencons=hvc console=hvc0 ---
> /boot/initrd-2.6-xen.img
>
> [root@xcp1 ~]# extlinux -U /boot/
> /boot/ is device /dev/sda1
>
> 2. Here is USB controllers which I want to pass through in VM:
> [root@xcp1 ~]# lspci -k | grep -A 3 USB
> 00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2
> Enhanced Host Controller #2 (rev 06)
>       Subsystem: Super Micro Computer Inc Device 0636
>       Kernel driver in use: pciback
>       Kernel modules: ehci-hcd
> --
> 00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2
> Enhanced Host Controller #1 (rev 06)
>       Subsystem: Super Micro Computer Inc Device 0636
>       Kernel driver in use: pciback
>       Kernel modules: ehci-hcd
>
> 3. Shutdown the VM:
> [root@xcp1 ~]# xe vm-shutdown uuid=9daf9418-01c9-20ba-6d71-340bc266b965
>
> 4. Assign usb controllers to the virtual machine executing the
> following command:
> [root@xcp1 ~]# xe vm-param-set
> other-config:pci=0/0000:00:1a.0,0/0000:00:1d.0
> uuid=9daf9418-01c9-20ba-6d71-340bc266b965
>
> 5. Show list of parameters my VM
> [root@xcp1 ~]# xe vm-param-list
> uuid=9daf9418-01c9-20ba-6d71-340bc266b965 | grep other-config
>                   other-config (MRW): pci:
> 0/0000:00:1a.0,0/0000:00:1d.0; vgpu_pci: ; debian-release: squeeze;
> install-methods: cdrom,http,ftp; install-arch: amd64; mac_seed:
> d38a3d36-1130-656a-80dc-81e1eabbf6cc; base_template_name: Debian
> Squeeze 6.0 (64-bit); install-repository: cdrom; linux_template: true
>
> 6. Start the VM
> [root@xcp1 ~]# xe vm-start uuid=9daf9418-01c9-20ba-6d71-340bc266b965
>
> 7. During the boot VM, I see the following in the /var/log/kern.log on
> the XCP host
> Mar  4 08:49:46 xcp1 kernel: [11741.398620] block tda: sector-size:
> 512/512 capacity: 16777216
> Mar  4 08:49:50 xcp1 kernel: [11744.668683] block tda: sector-size:
> 512/512 capacity: 16777216
> Mar  4 08:49:50 xcp1 kernel: [11745.008156]
> /local/domain/14/device/vif/0: Initialising
> Mar  4 08:49:50 xcp1 kernel: [11745.008326]
> /local/domain/14/device/vif/0: Initialising
> Mar  4 08:49:50 xcp1 kernel: [11745.464074] device vif14.0 entered
> promiscuous mode
> Mar  4 08:49:51 xcp1 kernel: [11746.065018] pciback 0000:00:1d.0:
> restoring config space at offset 0x4 (was 0x0, writing 0xdfc23000)
> Mar  4 08:49:51 xcp1 kernel: [11746.085649] pciback: vpci:
> 0000:00:1d.0: assign to virtual slot 0
> Mar  4 08:49:51 xcp1 kernel: [11746.525046] pciback 0000:00:1a.0:
> restoring config space at offset 0x4 (was 0x0, writing 0xdfc24000)
> Mar  4 08:50:03 xcp1 kernel: [11757.856859] blkback: event-channel 8
> Mar  4 08:50:03 xcp1 kernel: [11757.861204] blkback: ring-ref 8
> Mar  4 08:50:03 xcp1 kernel: [11757.861522] blkback: protocol 3
> (x86_64-abi)
> Mar  4 08:50:03 xcp1 kernel: [11757.869822]
> /local/domain/14/device/vif/0: Connected
> Mar  4 08:51:47 xcp1 kernel: [11862.184904] vif14.0: draining TX queue
>
> 8. After loading VM, I logged in the VM, and saw the following:
> 8.1 lspci
> root@debian:~# lspci -k
> root@debian:~#
> 8.2 dmesg
> root@debian:~# dmesg | grep pci
> [    0.064546] XENBUS: Device with no driver: device/pci/0
>
> 9. When I trying to connect USB dongle in USB port I can't see any USB
> device inside my VM.
>
> Anybody can help me why I can't see my usb device inside VM?
>
> Thank you.
>
> Regards, Aleksey Kashin
>


-- 
С уважением,
Кашин Алексей

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