diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/pci.h')
| -rw-r--r-- | arch/powerpc/platforms/iseries/pci.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h index 94b4bfdcead..33a8489fde5 100644 --- a/arch/powerpc/platforms/iseries/pci.h +++ b/arch/powerpc/platforms/iseries/pci.h @@ -30,6 +30,8 @@ * End Change Activity */ +#include <asm/pci-bridge.h> + struct pci_dev; /* For Forward Reference */ /* @@ -45,6 +47,17 @@ struct pci_dev; /* For Forward Reference */ #define ISERIES_GET_DEVICE_FROM_SUBBUS(subbus) ((subbus >> 5) & 0x7) #define ISERIES_GET_FUNCTION_FROM_SUBBUS(subbus) ((subbus >> 2) & 0x7) +/* + * Generate a Direct Select Address for the Hypervisor + */ +static inline u64 iseries_ds_addr(struct device_node *node) +{ + struct pci_dn *pdn = PCI_DN(node); + + return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40) + + ((u64)0x10 << 32); +} + extern void iSeries_Device_Information(struct pci_dev*, int); #endif /* _PLATFORMS_ISERIES_PCI_H */ |