pci_32.h 2.6 KB

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  1. #ifndef __i386_PCI_H
  2. #define __i386_PCI_H
  3. #ifdef __KERNEL__
  4. struct pci_sysdata {
  5. int domain; /* PCI domain */
  6. int node; /* NUMA node */
  7. };
  8. /* scan a bus after allocating a pci_sysdata for it */
  9. extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
  10. static inline int pci_domain_nr(struct pci_bus *bus)
  11. {
  12. struct pci_sysdata *sd = bus->sysdata;
  13. return sd->domain;
  14. }
  15. static inline int pci_proc_domain(struct pci_bus *bus)
  16. {
  17. return pci_domain_nr(bus);
  18. }
  19. #include <linux/mm.h> /* for struct page */
  20. /* Can be used to override the logic in pci_scan_bus for skipping
  21. already-configured bus numbers - to be used for buggy BIOSes
  22. or architectures with incomplete PCI setup by the loader */
  23. #ifdef CONFIG_PCI
  24. extern unsigned int pcibios_assign_all_busses(void);
  25. #else
  26. #define pcibios_assign_all_busses() 0
  27. #endif
  28. #define pcibios_scan_all_fns(a, b) 0
  29. extern unsigned long pci_mem_start;
  30. #define PCIBIOS_MIN_IO 0x1000
  31. #define PCIBIOS_MIN_MEM (pci_mem_start)
  32. #define PCIBIOS_MIN_CARDBUS_IO 0x4000
  33. void pcibios_config_init(void);
  34. struct pci_bus * pcibios_scan_root(int bus);
  35. void pcibios_set_master(struct pci_dev *dev);
  36. void pcibios_penalize_isa_irq(int irq, int active);
  37. struct irq_routing_table *pcibios_get_irq_routing_table(void);
  38. int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
  39. /* Dynamic DMA mapping stuff.
  40. * i386 has everything mapped statically.
  41. */
  42. #include <linux/types.h>
  43. #include <linux/slab.h>
  44. #include <asm/scatterlist.h>
  45. #include <linux/string.h>
  46. #include <asm/io.h>
  47. struct pci_dev;
  48. /* The PCI address space does equal the physical memory
  49. * address space. The networking and block device layers use
  50. * this boolean for bounce buffer decisions.
  51. */
  52. #define PCI_DMA_BUS_IS_PHYS (1)
  53. /* pci_unmap_{page,single} is a nop so... */
  54. #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
  55. #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
  56. #define pci_unmap_addr(PTR, ADDR_NAME) (0)
  57. #define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
  58. #define pci_unmap_len(PTR, LEN_NAME) (0)
  59. #define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
  60. #define HAVE_PCI_MMAP
  61. extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  62. enum pci_mmap_state mmap_state, int write_combine);
  63. #ifdef CONFIG_PCI
  64. static inline void pci_dma_burst_advice(struct pci_dev *pdev,
  65. enum pci_dma_burst_strategy *strat,
  66. unsigned long *strategy_parameter)
  67. {
  68. *strat = PCI_DMA_BURST_INFINITY;
  69. *strategy_parameter = ~0UL;
  70. }
  71. #endif
  72. #endif /* __KERNEL__ */
  73. /* implement the pci_ DMA API in terms of the generic device dma_ one */
  74. #include <asm-generic/pci-dma-compat.h>
  75. /* generic pci stuff */
  76. #include <asm-generic/pci.h>
  77. #endif /* __i386_PCI_H */