return max;
}
\f
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
unsigned long window_size, unsigned long align)
{
return arena;
}
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
iommu_arena_new(struct pci_controller *hose, dma_addr_t base,
unsigned long window_size, unsigned long align)
{
p[i] = 0;
}
\f
+/* True if the machine supports DAC addressing, and DEV can
+ make use of it given MASK. */
+static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
+
/* Map a single buffer of the indicated size for PCI DMA in streaming
mode. The 32-bit PCI bus mastering address to use is returned.
Once the device is given the dma address, the device owns this memory
Write dma_length of each leader with the combined lengths of
the mergable followers. */
-#define SG_ENT_VIRT_ADDRESS(SG) (page_address((SG)->page) + (SG)->offset)
+#define SG_ENT_VIRT_ADDRESS(SG) (sg_virt((SG)))
#define SG_ENT_PHYS_ADDRESS(SG) __pa(SG_ENT_VIRT_ADDRESS(SG))
static void
/* True if the machine supports DAC addressing, and DEV can
make use of it given MASK. */
-int
+static int
pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
{
dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
return ok;
}
-EXPORT_SYMBOL(pci_dac_dma_supported);
-
-dma64_addr_t
-pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page,
- unsigned long offset, int direction)
-{
- return (alpha_mv.pci_dac_offset
- + __pa(page_address(page))
- + (dma64_addr_t) offset);
-}
-EXPORT_SYMBOL(pci_dac_page_to_dma);
-
-struct page *
-pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
- unsigned long paddr = (dma_addr & PAGE_MASK) - alpha_mv.pci_dac_offset;
- return virt_to_page(__va(paddr));
-}
-EXPORT_SYMBOL(pci_dac_dma_to_page);
-
-unsigned long
-pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
- return (dma_addr & ~PAGE_MASK);
-}
-EXPORT_SYMBOL(pci_dac_dma_to_offset);
/* Helper for generic DMA-mapping functions. */