* Frank Pan (frankpzh@xxxxxxxxx) wrote: > > VF is often loaded on the physical machine. There's also a networking > > specific mechanism for querying and configuring a VF via the PF. > ? I don't really understand. What do you mean load? I don't think > physical machine is able to use it as a hardware device. Yes, it is possible. Your example of igb...igbvf driver can be loaded on physical machine and drive a VF instance. In fact, this is a pretty normal mode for KVM. > > While your patch is simple, it's unclear to me what your end goal is. > > The patch itself only adds a function. if you showed how you are > > planning to use it, that would really help. > Currently my hack is applied on 2.6.18 because of xen's limitation. As > Mitch says, igb driver is significantly different with recent ones. On > the other hand, my hack just exposes several PCI configuration and > MMIO registers to the sysfs, you will only understand the use case > when you also see the userspace hacks. OK, but this sounds like the wrong approach. We already have a mechanism for using the PF to program a VF. Have a look at the netlink interface. Specifically, do_setvfinfo(). thanks, -chris -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
