Messages in this thread | | | From | Andy Shevchenko <> | Date | Thu, 1 Mar 2018 12:31:08 +0200 | Subject | Re: [PATCH v3 3/6] x86/jailhouse: Enable PCI mmconfig access in inmates |
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On Thu, Mar 1, 2018 at 7:40 AM, Jan Kiszka <jan.kiszka@siemens.com> 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
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