diff options
| author | Jake Oshins <jakeo@microsoft.com> | 2016-02-16 21:56:21 +0000 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-02-16 16:48:11 -0600 |
| commit | 92016ba5c1d71fbe4e9952df518b5386f2a0556b (patch) | |
| tree | fb7d4f6f944c1a91a55b340865e7f134ad2d70e8 /arch/x86/include/asm/pci.h | |
| parent | 92e963f50fc74041b5e9e744c330dca48e04f08d (diff) | |
PCI: Add fwnode_handle to x86 pci_sysdata
Add an fwnode_handle to the x86 struct pci_sysdata, which will be used to
locate an IRQ domain associated with a root PCI bus.
[bhelgaas: changelog]
Signed-off-by: Jake Oshins <jakeo@microsoft.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/x86/include/asm/pci.h')
| -rw-r--r-- | arch/x86/include/asm/pci.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 462594320d39..6fc3c7c554b2 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -20,6 +20,9 @@ struct pci_sysdata { #ifdef CONFIG_X86_64 void *iommu; /* IOMMU private data */ #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN + void *fwnode; /* IRQ domain for MSI assignment */ +#endif }; extern int pci_routeirq; @@ -32,6 +35,7 @@ extern int noioapicreroute; static inline int pci_domain_nr(struct pci_bus *bus) { struct pci_sysdata *sd = bus->sysdata; + return sd->domain; } @@ -41,6 +45,17 @@ static inline int pci_proc_domain(struct pci_bus *bus) } #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN +static inline void *_pci_root_bus_fwnode(struct pci_bus *bus) +{ + struct pci_sysdata *sd = bus->sysdata; + + return sd->fwnode; +} + +#define pci_root_bus_fwnode _pci_root_bus_fwnode +#endif + /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */ |