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 53 #endif /* _ASM_POWERPC_DEVICE_H */ 54