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
8 struct device_node;
9 #ifdef CONFIG_PPC64
10 struct pci_dn;
11 struct 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 */
20 struct 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
49 struct 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
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