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kernel add
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/*
* Arch specific extensions to struct device
*
* This file is released under the GPLv2
*/
#ifndef _ASM_POWERPC_DEVICE_H
#define _ASM_POWERPC_DEVICE_H
struct dma_map_ops;
struct device_node;
#ifdef CONFIG_PPC64
struct 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 {
/* DMA operations on that device */
struct dma_map_ops *dma_ops;
/*
* 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_IOMMU_API
void *iommu_domain;
#endif
#ifdef CONFIG_SWIOTLB
dma_addr_t max_direct_dma_addr;
#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_CXL_BASE
struct cxl_context *cxl_ctx;
#endif
};
struct pdev_archdata {
u64 dma_mask;
};
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
#endif /* _ASM_POWERPC_DEVICE_H */
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