From 6fa4a94e150be25d02547d51f03b4bc34aaec32f Mon Sep 17 00:00:00 2001 From: Otavio Pontes Date: Wed, 7 Mar 2018 08:39:14 +0100 Subject: x86/jailhouse: Enable PCI mmconfig access in inmates Use the PCI mmconfig base address exported by jailhouse in boot parameters in order to access the memory mapped PCI configuration space. [Jan: rebased, fixed !CONFIG_PCI_MMCONFIG, used pcibios_last_bus] Signed-off-by: Otavio Pontes Signed-off-by: Jan Kiszka Signed-off-by: Thomas Gleixner Reviewed-by: Andy Shevchenko Cc: jailhouse-dev@googlegroups.com Cc: linux-pci@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: Bjorn Helgaas Link: https://lkml.kernel.org/r/2ee9e4401fa22377b3965893a558120f169be82b.1520408357.git.jan.kiszka@siemens.com --- arch/x86/pci/mmconfig-shared.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/x86/pci') diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 0b40482578b8..7389db538c30 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -94,8 +94,8 @@ static struct pci_mmcfg_region *pci_mmconfig_alloc(int segment, int start, return new; } -static struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, - int end, u64 addr) +struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, + int end, u64 addr) { struct pci_mmcfg_region *new; -- cgit v1.2.3