Hello Julien, Thank you very much for your reply. Can you teach me how to find the relationship between MBI-gen and devices? I am not sure how to find out the mbi-gen backed devices..
Best Regards, Jiatong Shen On Sat, Jun 24, 2023 at 4:24 PM Julien Grall <[email protected]> wrote: > Hi, > > On 20/06/2023 08:09, Jiatong Shen wrote: > > Hello Julien, > > > > Sorry for the delay.. I obtained the full xen log and attached it in > the > > mail. Please take a look when you are available. Thank you very much > > Thanks for sharing the logs. The following lines are interesting: > > [ 1.081905] Hisilicon MBIGEN-V2 HISI0152:00: Failed to create mbi-gen > irqdomain > [ 1.082107] Hisilicon MBIGEN-V2 HISI0152:01: Failed to create mbi-gen > irqdomain > [ 1.082204] Hisilicon MBIGEN-V2 HISI0152:02: Failed to create mbi-gen > irqdomain > [ 1.082294] Hisilicon MBIGEN-V2 HISI0152:03: Failed to create mbi-gen > irqdomain > [ 1.082381] Hisilicon MBIGEN-V2 HISI0152:04: Failed to create mbi-gen > irqdomain > [ 1.082466] Hisilicon MBIGEN-V2 HISI0152:05: Failed to create mbi-gen > irqdomain > > Looking at a Hisilicon Device-Tree, this is an interrupt controller > behind the GICv3 ITS. You will need to rebuild Xen with CONFIG_HAS_ITS=y. > > Also, can you confirm which devices are behind the MBI-Gen? If this is > only PCI devices, then you are probably fine to give the controllers to > dom0. But for PCI passthrough, you will most likely need to implement it > a driver in Xen. > > Cheers, > > -- > Julien Grall > -- Best Regards, Jiatong Shen
