1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/include/asm/device.h b/kernel/arch/powerpc/include/asm/device.h
new file mode 100644
index 000000000..9f1371bab
--- /dev/null
+++ b/kernel/arch/powerpc/include/asm/device.h
@@ -0,0 +1,57 @@
+/*
+ * 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 */