1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
new file mode 100644
index 000000000..0245bfcaa
--- /dev/null
+++ b/arch/powerpc/include/asm/device.h
@@ -0,0 +1,59 @@
+/*
+ * Arch specific extensions to struct device
+ *
+ * This file is released under the GPLv2
+ */
+#ifndef _ASM_POWERPC_DEVICE_H
+#define _ASM_POWERPC_DEVICE_H
+
+struct device_node;
+#ifdef CONFIG_PPC64
+struct pci_dn;
+struct iommu_table;
+#endif
+
+/*
+ * Arch extensions to struct device.
+ *
+ * When adding fields, consider macio_add_one_device in
+ * drivers/macintosh/macio_asic.c
+ */
+struct dev_archdata {
+	/*
+	 * These two used to be a union. However, with the hybrid ops we need
+	 * both so here we store both a DMA offset for direct mappings and
+	 * an iommu_table for remapped DMA.
+	 */
+	dma_addr_t		dma_offset;
+
+#ifdef CONFIG_PPC64
+	struct iommu_table	*iommu_table_base;
+#endif
+
+#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
+#ifdef CONFIG_CXL_BASE
+	struct cxl_context	*cxl_ctx;
+#endif
+};
+
+struct pdev_archdata {
+	u64 dma_mask;
+};
+
+#define ARCH_HAS_DMA_GET_REQUIRED_MASK
+
+#endif /* _ASM_POWERPC_DEVICE_H */