Re: [PATCH v3] PCI: Update Resizable BAR Capability Register fields

From: Krzysztof Wilczyński
Date: Thu Feb 20 2025 - 20:21:37 EST


Hello,

> PCI Express Base Spec r6.0 defines BAR size up to 8 EB (2^63 bytes),
> but supporting anything bigger than 128TB requires changes to pci_rebar_get_possible_sizes()
> to read the additional Capability bits from the Control register.
>
> If 8EB support is required, callers will need to be updated to handle u64 instead of u32.
> For now, support is limited to 128TB, and support for sizes greater than 128TB can be
> deferred to a later time.

I think this would be a v4?

If the reviews still stand, then we can correct the subject line while
applying the patch. No need to send another e-mail.

Krzysztof