[PATCH v3 3/4] bus/pci: introduce helper for MMIO read and write

[Cao, Yahui]

On 5/26/2023 12:31 AM, Miao Li wrote:
> From: Chenbo Xia <chenbo.xia at intel.com>
>
> The MMIO regions may not be mmap-able for VFIO-PCI devices.
> In this case, the driver should explicitly do read and write
> to access these regions.
>
> Signed-off-by: Chenbo Xia <chenbo.xia at intel.com>
> ---
>   drivers/bus/pci/bsd/pci.c        | 22 +++++++++++++++
>   drivers/bus/pci/linux/pci.c      | 46 ++++++++++++++++++++++++++++++
>   drivers/bus/pci/linux/pci_init.h | 10 +++++++
>   drivers/bus/pci/linux/pci_uio.c  | 22 +++++++++++++++
>   drivers/bus/pci/linux/pci_vfio.c | 36 ++++++++++++++++++++++++
>   drivers/bus/pci/rte_bus_pci.h    | 48 ++++++++++++++++++++++++++++++++
>   drivers/bus/pci/version.map      |  3 ++
>   7 files changed, 187 insertions(+)
>
Acked-by: Yahui Cao <yahui.cao at intel.com>