/* pci_impl.h: Helper definitions for PCI controller support. * * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) */ #ifndef PCI_IMPL_H #define PCI_IMPL_H #include <linux/types.h> #include <linux/spinlock.h> #include <asm/io.h> #include <asm/prom.h> extern struct pci_controller_info *pci_controller_root; extern unsigned long pci_memspace_mask; extern int pci_num_controllers; /* PCI bus scanning and fixup support. */ extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm); extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm); extern int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, int where, int size, u32 *value); extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, int where, int size, u32 value); /* Error reporting support. */ extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *); /* Configuration space access. */ extern void pci_config_read8(u8 *addr, u8 *ret); extern void pci_config_read16(u16 *addr, u16 *ret); extern void pci_config_read32(u32 *addr, u32 *ret); extern void pci_config_write8(u8 *addr, u8 val); extern void pci_config_write16(u16 *addr, u16 val); extern void pci_config_write32(u32 *addr, u32 val); #endif /* !(PCI_IMPL_H) */