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Diffstat (limited to 'arch/x86/include/asm/pci.h')
-rw-r--r--arch/x86/include/asm/pci.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index 9ab7507ca1c2..1411dbed5e5e 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -23,6 +23,9 @@ struct pci_sysdata {
#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
void *fwnode; /* IRQ domain for MSI assignment */
#endif
+#if IS_ENABLED(CONFIG_VMD)
+ bool vmd_domain; /* True if in Intel VMD domain */
+#endif
};
extern int pci_routeirq;
@@ -56,6 +59,17 @@ static inline void *_pci_root_bus_fwnode(struct pci_bus *bus)
#define pci_root_bus_fwnode _pci_root_bus_fwnode
#endif
+static inline bool is_vmd(struct pci_bus *bus)
+{
+#if IS_ENABLED(CONFIG_VMD)
+ struct pci_sysdata *sd = bus->sysdata;
+
+ return sd->vmd_domain;
+#else
+ return false;
+#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 */