powerpc: eliminate DsaAddr from pci_dn

[cascardo/linux.git] / arch / powerpc / platforms / iseries / pci.h

diff --git a/arch/powerpc/platforms/iseries/pci.h b/arch/powerpc/platforms/iseries/pci.h
index 94b4bfd..33a8489 100644 (file)
--- 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 */