Re: Dedicate PCI Devices to DomU?

[Jon Mason <jdmason@us.ibm.com>]

On Fri, Aug 04, 2006 at 02:26:41PM -0400, Ahamed K, Rafiq (STSD) wrote:
> I am trying to dedicate a number of  PCI ports to DomU and no success!
> 
>  
> 
> The PCI devices I am trying to dedicate are QLogic 23xx cards!
> 
>  
> 
> I am using SUSE 10.1 with latest xen-unstable!
> 
>  
> 
> I have followed all the instructions given in latest xen 3.0 manual.
> 
>  
> 
> Like building the backend support in Dom0
> 
> Building the frontend support in DomU
> 
> Using the pciback.hide=(xx:xx.x) in Dom0 command line (and it
> successfully hides the devices!)
> 
>  
> 
> Later while I try to load the driver in Dom1 it doesn't load and seems
> to miss some of pci libraries..I am guessing this is due to stripped
> down version of DomU build by xen-unstable. This is what it throws!
> 
> 
> 
> qla2xxx: Unknown symbol fc_attach_transport
> 
> qla2xxx: Unknown symbol pci_set_consistent_dma_mask
> 
> qla2xxx: Unknown symbol pci_enable_device
> 
> qla2xxx: Unknown symbol fc_remote_port_add
> 
> qla2xxx: Unknown symbol fc_remove_host
> 
> qla2xxx: Unknown symbol pci_request_regions
> 
> qla2xxx: Unknown symbol pci_bus_write_config_byte
> 
> qla2xxx: Unknown symbol fc_remote_port_delete
> 
> qla2xxx: Unknown symbol pci_bus_read_config_dword
> 
> qla2xxx: Unknown symbol pci_bus_read_config_word
> 
> qla2xxx: Unknown symbol fc_release_transport
> 
> qla2xxx: Unknown symbol pci_set_mwi
> 
> qla2xxx: Unknown symbol pci_find_capability
> 
> qla2xxx: Unknown symbol fc_remote_port_rolechg
> 
> qla2xxx: Unknown symbol pci_bus_write_config_dword
> 
> qla2xxx: Unknown symbol pci_set_master
> 
> qla2xxx: Unknown symbol pci_bus_write_config_word
> 
> qla2xxx: Unknown symbol pci_release_regions
> 
> qla2xxx: Unknown symbol scsi_is_fc_rport
> 
> qla2xxx: Unknown symbol pci_disable_device
> 
>  
> 
> I have attached the logs of Dom1 and Dom0. Can anyone please tell me if
> anything is missing?

This looks to me like you setup everything to be a module and didn't
copy them over to your domU.  Can you send your domU .config to confirm
this?

Thanks,
Jon
> 
>  
> 
> Note: with xen 2.0 I was able to load at least partially the Qlogic
> driver on Dom1. It used to crash after a while!
> 
>  
> 
> Thanks,
> 
> Rafiq
> 
>  
> 



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