Merge branch 'upstream-fixes'

[powerpc.git] / include / asm-ppc64 / pci.h

diff --git a/include/asm-ppc64/pci.h b/include/asm-ppc64/pci.h
index 7c11687..a88bbfc 100644 (file)
--- a/include/asm-ppc64/pci.h
+++ b/include/asm-ppc64/pci.h
@@ -78,6 +78,25 @@ static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
        return 0;
 }
 
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+                                       enum pci_dma_burst_strategy *strat,
+                                       unsigned long *strategy_parameter)
+{
+       unsigned long cacheline_size;
+       u8 byte;
+
+       pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
+       if (byte == 0)
+               cacheline_size = 1024;
+       else
+               cacheline_size = (int) byte * 4;
+
+       *strat = PCI_DMA_BURST_MULTIPLE;
+       *strategy_parameter = cacheline_size;
+}
+#endif
+
 extern int pci_domain_nr(struct pci_bus *bus);
 
 /* Decide whether to display the domain number in /proc */
@@ -115,6 +134,23 @@ extern void
 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
                        struct resource *res);
 
+extern void
+pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                       struct pci_bus_region *region);
+
+static inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+       struct resource *root = NULL;
+
+       if (res->flags & IORESOURCE_IO)
+               root = &ioport_resource;
+       if (res->flags & IORESOURCE_MEM)
+               root = &iomem_resource;
+
+       return root;
+}
+
 extern int
 unmap_bus_range(struct pci_bus *bus);
 
@@ -136,6 +172,13 @@ extern pgprot_t    pci_phys_mem_access_prot(struct file *file,
                                         unsigned long size,
                                         pgprot_t prot);
 
+#ifdef CONFIG_PPC_MULTIPLATFORM
+#define HAVE_ARCH_PCI_RESOURCE_TO_USER
+extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
+                                const struct resource *rsrc,
+                                u64 *start, u64 *end);
+#endif /* CONFIG_PPC_MULTIPLATFORM */
+
 
 #endif /* __KERNEL__ */