On 1/29/21 4:18 AM, 谢华伟(此时此刻） wrote:
> From: "huawei.xhw" <huawei....@alibaba-inc.com>
>
> Currently virtio PMD asssumes legacy device uses PIO bar.
> There are three ways to get PIO(PortIO) address for virtio legacy device.
> under igb_uio, get pio address from uio/uio# sysfs attribute
> under uio_pci_generic:
> for X86, get PIO address from /proc/ioport
> for other ARCH, get PIO address from standard PCI sysfs attribute
>
> Actually, igb_uio sysfs attribute exports exactly the same thing as standard
> PCI sysfs, i.e,
> pci_dev->resource[]
>
> This patch fixes these messy things, and uses standard PCI sysfs attribute.
>
> Signed-off-by: huawei xie <huawei....@alibaba-inc.com>
> Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
> ---
> drivers/bus/pci/linux/pci.c | 77
> -----------------------------------------
> drivers/bus/pci/linux/pci_uio.c | 64 ++++++++++++++++++++++++----------
> 2 files changed, 46 insertions(+), 95 deletions(-)
>
Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>
