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

   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
   8struct device_node;
   9#ifdef CONFIG_PPC64
  10struct pci_dn;
  11struct 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 */
  20struct 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
  49struct pdev_archdata {
  50        u64 dma_mask;
  51};
  52
  53#endif /* _ASM_POWERPC_DEVICE_H */
  54