1 files changed, 53 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..219559d65
--- /dev/null
+++ b/arch/powerpc/include/asm/device.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Arch specific extensions to struct device
+ */
+#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_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
+#ifdef CONFIG_PCI_IOV
+	void *iov_data;
+#endif
+};
+
+struct pdev_archdata {
+	u64 dma_mask;
+};
+
+#endif /* _ASM_POWERPC_DEVICE_H */