+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_POWERPC_DEVICE_H
+#define _ASM_POWERPC_DEVICE_H
+
+struct dma_map_ops;
+struct device_node;
+#ifdef CONFIG_PPC64
+struct pci_dn;
+#endif
+
+/*
+ * Arch extensions to struct device.
+ *
+ * When adding fields, consider macio_add_one_device in
+ * drivers/macintosh/macio_asic.c
+ */
+struct dev_archdata {
+ /* DMA operations on that device */
+ struct dma_map_ops *dma_ops;
+
+ /*
+ * When an iommu is in use, dma_data is used as a ptr to the base of the
+ * iommu_table. Otherwise, it is a simple numerical offset.
+ */
+ union {
+ dma_addr_t dma_offset;
+ void *iommu_table_base;
+ } dma_data;
+
+#ifdef CONFIG_IOMMU_API
+ void *iommu_domain;
+#endif
+#ifdef CONFIG_SWIOTLB
+ dma_addr_t max_direct_dma_addr;
+#endif
+#ifdef CONFIG_PPC64
+ struct pci_dn *pci_data;
+#endif
+#ifdef CONFIG_EEH
+ struct eeh_dev *edev;
+#endif
+#ifdef CONFIG_FAIL_IOMMU
+ int fail_iommu;
+#endif
+};
+
+struct pdev_archdata {
+ u64 dma_mask;
+};
+
+#define ARCH_HAS_DMA_GET_REQUIRED_MASK
+
+#endif /* _ASM_POWERPC_DEVICE_H */