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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* c 2001 PPC 64 Team, IBM Corp
*/
#ifndef _ASM_POWERPC_PPC_PCI_H
#define _ASM_POWERPC_PPC_PCI_H
#ifdef __KERNEL__
#ifdef CONFIG_PCI
#include <linux/pci.h>
#include <asm/pci-bridge.h>
extern unsigned long isa_io_base;
extern struct list_head hose_list;
extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
#define BUID_HI(buid) upper_32_bits(buid)
#define BUID_LO(buid) lower_32_bits(buid)
/* PCI device_node operations */
struct device_node;
struct pci_dn;
void *pci_traverse_device_nodes(struct device_node *start,
void *(*fn)(struct device_node *, void *),
void *data);
extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
#if defined(CONFIG_IOMMU_API) && (defined(CONFIG_PPC_PSERIES) || \
defined(CONFIG_PPC_POWERNV))
extern void ppc_iommu_register_device(struct pci_controller *phb);
extern void ppc_iommu_unregister_device(struct pci_controller *phb);
#else
static inline void ppc_iommu_register_device(struct pci_controller *phb) { }
static inline void ppc_iommu_unregister_device(struct pci_controller *phb) { }
#endif
/* From rtas_pci.h */
extern void init_pci_config_tokens (void);
extern unsigned long get_phb_buid (struct device_node *);
extern int rtas_setup_phb(struct pci_controller *phb);
#ifdef CONFIG_EEH
void eeh_addr_cache_insert_dev(struct pci_dev *dev);
void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
int eeh_pci_enable(struct eeh_pe *pe, int function);
int eeh_pe_reset_full(struct eeh_pe *pe, bool include_passed);
void eeh_save_bars(struct eeh_dev *edev);
int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
void eeh_pe_state_mark(struct eeh_pe *pe, int state);
void eeh_pe_mark_isolated(struct eeh_pe *pe);
void eeh_pe_state_clear(struct eeh_pe *pe, int state, bool include_passed);
void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
void eeh_sysfs_add_device(struct pci_dev *pdev);
void eeh_sysfs_remove_device(struct pci_dev *pdev);
#endif /* CONFIG_EEH */
#ifdef CONFIG_FSL_ULI1575
void __init uli_init(void);
#endif /* CONFIG_FSL_ULI1575 */
#define PCI_BUSNO(bdfn) ((bdfn >> 8) & 0xff)
#else /* CONFIG_PCI */
static inline void init_pci_config_tokens(void) { }
#endif /* !CONFIG_PCI */
#if !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575)
static inline void __init uli_init(void) {}
#endif /* !defined(CONFIG_PCI) || !defined(CONFIG_FSL_ULI1575) */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PPC_PCI_H */
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