54 lines
1016 B
C
54 lines
1016 B
C
/* 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;
|
|
};
|
|
|
|
#endif /* _ASM_POWERPC_DEVICE_H */
|