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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_PCI_IOV
42 void *iov_data;
43#endif
44};
45
46struct pdev_archdata {
47 u64 dma_mask;
48 /*
49 * Pointer to nvdimm_pmu structure, to handle the unregistering
50 * of pmu device
51 */
52 void *priv;
53};
54
55#endif /* _ASM_POWERPC_DEVICE_H */