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linux-vybrid_pu...
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drivers
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pci
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Kconfig

Kconfig 1.9 KB
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  1. #
    2. 

  2. # PCI configuration
    3. 

  3. #
    4. 

  4. config ARCH_SUPPORTS_MSI
    5. 

  5. 	bool
    6. 

  6. 	default n
    7. 

  7. 

  8. config PCI_MSI
    9. 

  9. 	bool "Message Signaled Interrupts (MSI and MSI-X)"
    10. 

  10. 	depends on PCI
    11. 

  11. 	depends on ARCH_SUPPORTS_MSI
    12. 

  12. 	help
    13. 

  13. 	   This allows device drivers to enable MSI (Message Signaled
    14. 

  14. 	   Interrupts).  Message Signaled Interrupts enable a device to
    15. 

  15. 	   generate an interrupt using an inbound Memory Write on its
    16. 

  16. 	   PCI bus instead of asserting a device IRQ pin.
    17. 

  17. 

  18. 	   Use of PCI MSI interrupts can be disabled at kernel boot time
    19. 

  19. 	   by using the 'pci=nomsi' option.  This disables MSI for the
    20. 

  20. 	   entire system.
    21. 

  21. 

  22. 	   If you don't know what to do here, say N.
    23. 

  23. 

  24. config PCI_LEGACY
    25. 

  25. 	bool "Enable deprecated pci_find_* API"
    26. 

  26. 	depends on PCI
    27. 

  27. 	default y
    28. 

  28. 	help
    29. 

  29. 	  Say Y here if you want to include support for the deprecated
    30. 

  30. 	  pci_find_slot() and pci_find_device() APIs.  Most drivers have
    31. 

  31. 	  been converted over to using the proper hotplug APIs, so this
    32. 

  32. 	  option serves to include/exclude only a few drivers that are
    33. 

  33. 	  still using this API.
    34. 

  34. 

  35. config PCI_DEBUG
    36. 

  36. 	bool "PCI Debugging"
    37. 

  37. 	depends on PCI && DEBUG_KERNEL
    38. 

  38. 	help
    39. 

  39. 	  Say Y here if you want the PCI core to produce a bunch of debug
    40. 

  40. 	  messages to the system log.  Select this if you are having a
    41. 

  41. 	  problem with PCI support and want to see more of what is going on.
    42. 

  42. 

  43. 	  When in doubt, say N.
    44. 

  44. 

  45. config PCI_STUB
    46. 

  46. 	tristate "PCI Stub driver"
    47. 

  47. 	depends on PCI
    48. 

  48. 	help
    49. 

  49. 	  Say Y or M here if you want be able to reserve a PCI device
    50. 

  50. 	  when it is going to be assigned to a guest operating system.
    51. 

  51. 

  52. 	  When in doubt, say N.
    53. 

  53. 

  54. config HT_IRQ
    55. 

  55. 	bool "Interrupts on hypertransport devices"
    56. 

  56. 	default y
    57. 

  57. 	depends on PCI && X86_LOCAL_APIC && X86_IO_APIC
    58. 

  58. 	help
    59. 

  59. 	   This allows native hypertransport devices to use interrupts.
    60. 

  60. 

  61. 	   If unsure say Y.
    62. 

  62. 

  63. config PCI_IOV
    64. 

  64. 	bool "PCI IOV support"
    65. 

  65. 	depends on PCI
    66. 

  66. 	help
    67. 

  67. 	  I/O Virtualization is a PCI feature supported by some devices
    68. 

  68. 	  which allows them to create virtual devices which share their
    69. 

  69. 	  physical resources.
    70. 

  70. 

  71. 	  If unsure, say N.
    72.