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pci_impl.h

pci_impl.h 1.6 KB
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  1. /* pci_impl.h: Helper definitions for PCI controller support.
    2. 

  2.  *
    3. 

  3.  * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef PCI_IMPL_H
    7. 

  7. #define PCI_IMPL_H
    8. 

  8. 

  9. #include <linux/types.h>
    10. 

  10. #include <linux/spinlock.h>
    11. 

  11. #include <asm/io.h>
    12. 

  12. #include <asm/prom.h>
    13. 

  13. 

  14. extern struct pci_controller_info *pci_controller_root;
    15. 

  15. extern unsigned long pci_memspace_mask;
    16. 

  16. 

  17. extern int pci_num_controllers;
    18. 

  18. 

  19. /* PCI bus scanning and fixup support. */
    20. 

  20. extern void pci_get_pbm_props(struct pci_pbm_info *pbm);
    21. 

  21. extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm);
    22. 

  22. extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
    23. 

  23. 

  24. extern int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev,
    25. 

  25. 					unsigned int devfn,
    26. 

  26. 					int where, int size,
    27. 

  27. 					u32 *value);
    28. 

  28. extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev,
    29. 

  29. 					 unsigned int devfn,
    30. 

  30. 					 int where, int size,
    31. 

  31. 					 u32 value);
    32. 

  32. 

  33. /* Error reporting support. */
    34. 

  34. extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
    35. 

  35. extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
    36. 

  36. extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
    37. 

  37. 

  38. /* Configuration space access. */
    39. 

  39. extern void pci_config_read8(u8 *addr, u8 *ret);
    40. 

  40. extern void pci_config_read16(u16 *addr, u16 *ret);
    41. 

  41. extern void pci_config_read32(u32 *addr, u32 *ret);
    42. 

  42. extern void pci_config_write8(u8 *addr, u8 val);
    43. 

  43. extern void pci_config_write16(u16 *addr, u16 val);
    44. 

  44. extern void pci_config_write32(u32 *addr, u32 val);
    45. 

  45. 

  46. #endif /* !(PCI_IMPL_H) */
    47.