LXR linux/arch/powerpc/include/asm/device.h

   1/*
   2 * Arch specific extensions to struct device
   3 *
   4 * This file is released under the GPLv2
   5 */
   6#ifndef _ASM_POWERPC_DEVICE_H
   7#define _ASM_POWERPC_DEVICE_H
   8
   9struct device_node;
  10#ifdef CONFIG_PPC64
  11struct pci_dn;
  12struct iommu_table;
  13#endif
  14
  15/*
  16 * Arch extensions to struct device.
  17 *
  18 * When adding fields, consider macio_add_one_device in
  19 * drivers/macintosh/macio_asic.c
  20 */
  21struct dev_archdata {
  22        /*
  23         * These two used to be a union. However, with the hybrid ops we need
  24         * both so here we store both a DMA offset for direct mappings and
  25         * an iommu_table for remapped DMA.
  26         */
  27        dma_addr_t              dma_offset;
  28
  29#ifdef CONFIG_PPC64
  30        struct iommu_table      *iommu_table_base;
  31#endif
  32
  33#ifdef CONFIG_IOMMU_API
  34        void                    *iommu_domain;
  35#endif
  36#ifdef CONFIG_SWIOTLB
  37        dma_addr_t              max_direct_dma_addr;
  38#endif
  39#ifdef CONFIG_PPC64
  40        struct pci_dn           *pci_data;
  41#endif
  42#ifdef CONFIG_EEH
  43        struct eeh_dev          *edev;
  44#endif
  45#ifdef CONFIG_FAIL_IOMMU
  46        int fail_iommu;
  47#endif
  48#ifdef CONFIG_CXL_BASE
  49        struct cxl_context      *cxl_ctx;
  50#endif
  51};
  52
  53struct pdev_archdata {
  54        u64 dma_mask;
  55};
  56
  57#define ARCH_HAS_DMA_GET_REQUIRED_MASK
  58
  59#endif /* _ASM_POWERPC_DEVICE_H */
  60