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authorOtavio Pontes <otavio.pontes@intel.com>2018-03-07 08:39:14 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-03-08 12:30:38 +0100
commit6fa4a94e150be25d02547d51f03b4bc34aaec32f (patch)
treee9e750709d73b4d2ade5e9bc4fb53e4cfcc4a8c1 /arch/x86/pci/mmconfig-shared.c
parentPCI: Scan all functions when running over Jailhouse (diff)
downloadlinux-6fa4a94e150be25d02547d51f03b4bc34aaec32f.tar.xz
linux-6fa4a94e150be25d02547d51f03b4bc34aaec32f.zip
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 <otavio.pontes@intel.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: jailhouse-dev@googlegroups.com Cc: linux-pci@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Cc: Bjorn Helgaas <bhelgaas@google.com> Link: https://lkml.kernel.org/r/2ee9e4401fa22377b3965893a558120f169be82b.1520408357.git.jan.kiszka@siemens.com
Diffstat (limited to 'arch/x86/pci/mmconfig-shared.c')
-rw-r--r--arch/x86/pci/mmconfig-shared.c4
1 files changed, 2 insertions, 2 deletions
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;