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| author | Otavio Pontes <otavio.pontes@intel.com> | 2018-03-07 10:39:14 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-08 14:30:38 +0300 |
| commit | 6fa4a94e150be25d02547d51f03b4bc34aaec32f (patch) | |
| tree | e9e750709d73b4d2ade5e9bc4fb53e4cfcc4a8c1 /arch/x86/include/asm/pci_x86.h | |
| parent | 690f4304104f37e473bd5e43fc5247f5cd35b225 (diff) | |
| download | linux-6fa4a94e150be25d02547d51f03b4bc34aaec32f.tar.xz | |
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/include/asm/pci_x86.h')
| -rw-r--r-- | arch/x86/include/asm/pci_x86.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h index eb66fa9cd0fc..959d618dbb17 100644 --- a/arch/x86/include/asm/pci_x86.h +++ b/arch/x86/include/asm/pci_x86.h @@ -151,6 +151,8 @@ extern int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, phys_addr_t addr); extern int pci_mmconfig_delete(u16 seg, u8 start, u8 end); extern struct pci_mmcfg_region *pci_mmconfig_lookup(int segment, int bus); +extern struct pci_mmcfg_region *__init pci_mmconfig_add(int segment, int start, + int end, u64 addr); extern struct list_head pci_mmcfg_list; |