pci.h 2.3 KB

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  1. #ifndef __i386_PCI_H
  2. #define __i386_PCI_H
  3. #ifdef __KERNEL__
  4. struct pci_sysdata {
  5. int node; /* NUMA node */
  6. };
  7. #include <linux/mm.h> /* for struct page */
  8. /* Can be used to override the logic in pci_scan_bus for skipping
  9. already-configured bus numbers - to be used for buggy BIOSes
  10. or architectures with incomplete PCI setup by the loader */
  11. #ifdef CONFIG_PCI
  12. extern unsigned int pcibios_assign_all_busses(void);
  13. #else
  14. #define pcibios_assign_all_busses() 0
  15. #endif
  16. #define pcibios_scan_all_fns(a, b) 0
  17. extern unsigned long pci_mem_start;
  18. #define PCIBIOS_MIN_IO 0x1000
  19. #define PCIBIOS_MIN_MEM (pci_mem_start)
  20. #define PCIBIOS_MIN_CARDBUS_IO 0x4000
  21. void pcibios_config_init(void);
  22. struct pci_bus * pcibios_scan_root(int bus);
  23. void pcibios_set_master(struct pci_dev *dev);
  24. void pcibios_penalize_isa_irq(int irq, int active);
  25. struct irq_routing_table *pcibios_get_irq_routing_table(void);
  26. int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
  27. /* Dynamic DMA mapping stuff.
  28. * i386 has everything mapped statically.
  29. */
  30. #include <linux/types.h>
  31. #include <linux/slab.h>
  32. #include <asm/scatterlist.h>
  33. #include <linux/string.h>
  34. #include <asm/io.h>
  35. struct pci_dev;
  36. /* The PCI address space does equal the physical memory
  37. * address space. The networking and block device layers use
  38. * this boolean for bounce buffer decisions.
  39. */
  40. #define PCI_DMA_BUS_IS_PHYS (1)
  41. /* pci_unmap_{page,single} is a nop so... */
  42. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
  43. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
  44. #define pci_unmap_addr(PTR, ADDR_NAME) (0)
  45. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
  46. #define pci_unmap_len(PTR, LEN_NAME) (0)
  47. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
  48. #define HAVE_PCI_MMAP
  49. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  50. enum pci_mmap_state mmap_state, int write_combine);
  51. #ifdef CONFIG_PCI
  52. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  53. enum pci_dma_burst_strategy *strat,
  54. unsigned long *strategy_parameter)
  55. {
  56. *strat = PCI_DMA_BURST_INFINITY;
  57. *strategy_parameter = ~0UL;
  58. }
  59. #endif
  60. #endif /* __KERNEL__ */
  61. /* implement the pci_ DMA API in terms of the generic device dma_ one */
  62. #include <asm-generic/pci-dma-compat.h>
  63. /* generic pci stuff */
  64. #include <asm-generic/pci.h>
  65. #endif /* __i386_PCI_H */