Re: [PATCH v3] kconfig: Add PCIe devices to s390x machines

[Matthew Rosato <mjrosato@linux.ibm.com>]

On 7/5/23 11:23 AM, Cédric Le Goater wrote:
> It is useful to extend the number of available PCI devices to KVM guests
> for passthrough scenarios and also to expose these models to a different
> (big endian) architecture. Include models for Intel Ethernet adapters
> and one USB controller, which all support MSI-X. Devices only supporting
> INTx won't work on s390x.
> 
> Signed-off-by: Cédric Le Goater <clg@redhat.com>

Acked-by: Matthew Rosato <mjrosato@linux.ibm.com>

> ---
> 
>  v3: PCI -> PCI_EXPRESS
>  v2: select -> imply
>   
>  hw/s390x/Kconfig | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/s390x/Kconfig b/hw/s390x/Kconfig
> index 5e7d8a2bae8b..ab62c9120545 100644
> --- a/hw/s390x/Kconfig
> +++ b/hw/s390x/Kconfig
> @@ -5,8 +5,11 @@ config S390_CCW_VIRTIO
>      imply VFIO_AP
>      imply VFIO_CCW
>      imply WDT_DIAG288
> -    select PCI
> +    select PCI_EXPRESS
>      select S390_FLIC
>      select SCLPCONSOLE
>      select VIRTIO_CCW
>      select MSI_NONBROKEN
> +    imply E1000E_PCI_EXPRESS
> +    imply IGB_PCI_EXPRESS
> +    imply USB_XHCI_PCI