On Thu, Mar 1, 2018 at 7:40 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
> Use the PCI mmconfig base address exported by jailhouse in boot
> parameters in order to access the memory mapped PCI configuration space.
> --- a/arch/x86/kernel/jailhouse.c
> +++ b/arch/x86/kernel/jailhouse.c
> @@ -124,6 +124,13 @@ static int __init jailhouse_pci_arch_init(void)
> if (pcibios_last_bus < 0)
> pcibios_last_bus = 0xff;
>
> +#ifdef CONFIG_PCI_MMCONFIG
> + if (setup_data.pci_mmconfig_base) {
> + pci_mmconfig_add(0, 0, 0xff, setup_data.pci_mmconfig_base);
Hmm... Shouldn't be pcibios_last_bus instead of 0xff?
> + pci_mmcfg_arch_init();
> + }
> +#endif
--
With Best Regards,
Andy Shevchenko
