/* 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_PPC64struct 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_PCI_IOV	void *iov_data;#endif}; struct pdev_archdata {	u64 dma_mask;	/*	 * Pointer to nvdimm_pmu structure, to handle the unregistering	 * of pmu device	 */	void *priv;}; #endif /* _ASM_POWERPC_DEVICE_H */