Per the spec, "When an NVM Subsystem Reset occurs, the entire NVM subsystem is reset"....so all VFs would get impacted, if a VF does a Reset. So, I think Reset kind of control should be in PF mode only. On Mon, Apr 21, 2014 at 7:45 PM, Learner <learner.study@xxxxxxxxx> wrote: > But Won't resetting from a VF impact functionality of other VFs? > > On Apr 21, 2014, at 6:57 PM, Keith Busch <keith.busch@xxxxxxxxx> wrote: > >> On Mon, 21 Apr 2014, Learner Study wrote: >>> Hi Keith, >>> >>> I think NVMe Reset should apply to PF mode driver only, and not to VF >>> mode driver. >>> Is that understanding correct? Does the NVMe driver know which mode >>> its running in? >> >> Oh, this driver doesn't enable SR-IOV and has no PF/VF awareness. Shame >> on us, I'll add it to my list unless someone beats me to it. >> >> Still, I think we'd like to be able to reset a VF if only because it >> gets the queues back to a pristine state. A VF reset should not affect >> any of the other functions. -- 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
