diff options
Diffstat (limited to 'arch/powerpc/include/asm/device.h')
| -rw-r--r-- | arch/powerpc/include/asm/device.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h new file mode 100644 index 0000000000..47ed639f3b --- /dev/null +++ b/arch/powerpc/include/asm/device.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Arch specific extensions to struct device + */ +#ifndef _ASM_POWERPC_DEVICE_H +#define _ASM_POWERPC_DEVICE_H + +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 { + /* + * 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_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 +#ifdef CONFIG_PCI_IOV + void *iov_data; +#endif +}; + +struct pdev_archdata { + u64 dma_mask; + /* + * Pointer to nvdimm_pmu structure, to handle the unregistering + * of pmu device + */ + void *priv; +}; + +#endif /* _ASM_POWERPC_DEVICE_H */ |