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