1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Arch specific extensions to struct device
4 */
5#ifndef _ASM_POWERPC_DEVICE_H
6#define _ASM_POWERPC_DEVICE_H
7
8struct device_node;
9#ifdef CONFIG_PPC64
10struct pci_dn;
11struct iommu_table;
12#endif
13
14/*
15 * Arch extensions to struct device.
16 *
17 * When adding fields, consider macio_add_one_device in
18 * drivers/macintosh/macio_asic.c
19 */
20struct dev_archdata {
21	/*
22	 * These two used to be a union. However, with the hybrid ops we need
23	 * both so here we store both a DMA offset for direct mappings and
24	 * an iommu_table for remapped DMA.
25	 */
26	dma_addr_t		dma_offset;
27
28#ifdef CONFIG_PPC64
29	struct iommu_table	*iommu_table_base;
30#endif
31
32#ifdef CONFIG_PPC64
33	struct pci_dn		*pci_data;
34#endif
35#ifdef CONFIG_EEH
36	struct eeh_dev		*edev;
37#endif
38#ifdef CONFIG_FAIL_IOMMU
39	int fail_iommu;
40#endif
41#ifdef CONFIG_CXL_BASE
42	struct cxl_context	*cxl_ctx;
43#endif
44#ifdef CONFIG_PCI_IOV
45	void *iov_data;
46#endif
47};
48
49struct pdev_archdata {
50	u64 dma_mask;
51	/*
52	 * Pointer to nvdimm_pmu structure, to handle the unregistering
53	 * of pmu device
54	 */
55	void *priv;
56};
57
58#endif /* _ASM_POWERPC_DEVICE_H */
59