[dpdk-dev] [PATCH v6 1/2] bus/pci: use PCI standard sysfs entry to get PIO address
谢华伟(此时此刻)
huawei.xhw at alibaba-inc.com
Mon Mar 1 16:47:08 CET 2021
On 2021/2/25 1:52, David Marchand wrote:
> On Wed, Feb 24, 2021 at 4:29 PM 谢华伟(此时此刻) <huawei.xhw at alibaba-inc.com> wrote:
>>> Did you check that virtio devices bound to uio_pci_generic still works
>>> with legacy mode + PIO?
>> I had verified PIO, might under igb_uio driver.
> Well, if you are unsure, please retest both cases, igb_uio and uio_pci_generic.
>
I still haven't got a VM with PIO, but retested MMIO with both igb_uio
and uio_pci_generic. They both works.
@Chenbo
Could you help run with PIO?
>> Theoretically it works with uio_pci_generic driver. I could do the test
>> if needed. Give me some time. Have to create a legacy VM. Now bars in
>> virtio device in the cloud are basically mmio.
> Sure, take the time to check.
> I'll wait for your confirmation, thanks.
>
>
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