drivers/pci/Kconfig

   1 #
   2 # PCI configuration
   3 #
   4 config ARCH_SUPPORTS_MSI
   5         bool
   6         default n
   7
   8 config PCI_MSI
   9         bool "Message Signaled Interrupts (MSI and MSI-X)"
  10         depends on PCI
  11         depends on ARCH_SUPPORTS_MSI
  12         help
  13            This allows device drivers to enable MSI (Message Signaled
  14            Interrupts).  Message Signaled Interrupts enable a device to
  15            generate an interrupt using an inbound Memory Write on its
  16            PCI bus instead of asserting a device IRQ pin.
  17
  18            Use of PCI MSI interrupts can be disabled at kernel boot time
  19            by using the 'pci=nomsi' option.  This disables MSI for the
  20            entire system.
  21
  22            If you don't know what to do here, say Y.
  23
  24 config PCI_DEBUG
  25         bool "PCI Debugging"
  26         depends on PCI && DEBUG_KERNEL
  27         help
  28           Say Y here if you want the PCI core to produce a bunch of debug
  29           messages to the system log.  Select this if you are having a
  30           problem with PCI support and want to see more of what is going on.
  31
  32           When in doubt, say N.
  33
  34 config PCI_STUB
  35         tristate "PCI Stub driver"
  36         depends on PCI
  37         help
  38           Say Y or M here if you want be able to reserve a PCI device
  39           when it is going to be assigned to a guest operating system.
  40
  41           When in doubt, say N.
  42
  43 config HT_IRQ
  44         bool "Interrupts on hypertransport devices"
  45         default y
  46         depends on PCI && X86_LOCAL_APIC && X86_IO_APIC
  47         help
  48            This allows native hypertransport devices to use interrupts.
  49
  50            If unsure say Y.
  51
  52 config PCI_IOV
  53         bool "PCI IOV support"
  54         depends on PCI
  55         help
  56           I/O Virtualization is a PCI feature supported by some devices
  57           which allows them to create virtual devices which share their
  58           physical resources.
  59
  60           If unsure, say N.
  61
  62 config PCI_IOAPIC
  63         bool
  64         depends on PCI
  65         depends on ACPI
  66         depends on HOTPLUG
  67         default y