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iosapic.h
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
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Linux-Unix program

Development Platform:

Unix_Linux

iosapic.h：Code Content
  1. #ifndef __ASM_IA64_IOSAPIC_H
  2. #define __ASM_IA64_IOSAPIC_H
  4. #define IOSAPIC_DEFAULT_ADDR 0xFEC00000
  6. #define IOSAPIC_REG_SELECT 0x0
  7. #define IOSAPIC_WINDOW 0x10
  8. #define IOSAPIC_EOI 0x40
  10. #define IOSAPIC_VERSION 0x1
  12. /*
  13.  * Redirection table entry
  14.  */
  15. #define IOSAPIC_RTE_LOW(i) (0x10+i*2)
  16. #define IOSAPIC_RTE_HIGH(i) (0x11+i*2)
  18. #define IOSAPIC_DEST_SHIFT 16
  20. /*
  21.  * Delivery mode
  22.  */
  23. #define IOSAPIC_DELIVERY_SHIFT 8
  24. #define IOSAPIC_FIXED 0x0
  25. #define IOSAPIC_LOWEST_PRIORITY 0x1
  26. #define IOSAPIC_PMI 0x2
  27. #define IOSAPIC_NMI 0x4
  28. #define IOSAPIC_INIT 0x5
  29. #define IOSAPIC_EXTINT 0x7
  31. /*
  32.  * Interrupt polarity
  33.  */
  34. #define IOSAPIC_POLARITY_SHIFT 13
  35. #define IOSAPIC_POL_HIGH 0
  36. #define IOSAPIC_POL_LOW 1
  38. /*
  39.  * Trigger mode
  40.  */
  41. #define IOSAPIC_TRIGGER_SHIFT 15
  42. #define IOSAPIC_EDGE 0
  43. #define IOSAPIC_LEVEL 1
  45. /*
  46.  * Mask bit
  47.  */
  48. #define IOSAPIC_MASK_SHIFT 16
  49. #define IOSAPIC_UNMASK 0
  50. #define IOSAPIC_MSAK 1
  52. #ifndef __ASSEMBLY__
  54. extern void __devinit iosapic_init (unsigned long address,
  55.     unsigned int gsi_base,
  56.     int pcat_compat);
  57. extern int gsi_to_vector (unsigned int gsi);
  58. extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
  59.   unsigned long edge_triggered,
  60.   u32 gsi_base, char *iosapic_address);
  61. extern void iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
  62.       unsigned long polarity,
  63.       unsigned long edge_triggered);
  64. extern int iosapic_register_platform_intr (u32 int_type,
  65.    unsigned int gsi,
  66.    int pmi_vector,
  67.    u16 eid, u16 id,
  68.    unsigned long polarity,
  69.    unsigned long edge_triggered,
  70.    unsigned int gsi_base,
  71.    char *iosapic_address);
  72. extern unsigned int iosapic_version (char *addr);
  74. extern void iosapic_pci_fixup (int);
  76. # endif /* !__ASSEMBLY__ */
  77. #endif /* __ASM_IA64_IOSAPIC_H */