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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 N. |
23 | |
24 | config PCI_LEGACY |
25 | bool "Enable deprecated pci_find_* API" |
26 | depends on PCI |
27 | default y |
28 | help |
29 | Say Y here if you want to include support for the deprecated |
30 | pci_find_slot() and pci_find_device() APIs. Most drivers have |
31 | been converted over to using the proper hotplug APIs, so this |
32 | option serves to include/exclude only a few drivers that are |
33 | still using this API. |
34 | |
35 | config PCI_DEBUG |
36 | bool "PCI Debugging" |
37 | depends on PCI && DEBUG_KERNEL |
38 | help |
39 | Say Y here if you want the PCI core to produce a bunch of debug |
40 | messages to the system log. Select this if you are having a |
41 | problem with PCI support and want to see more of what is going on. |
42 | |
43 | When in doubt, say N. |
44 | |
45 | config PCI_STUB |
46 | tristate "PCI Stub driver" |
47 | depends on PCI |
48 | help |
49 | Say Y or M here if you want be able to reserve a PCI device |
50 | when it is going to be assigned to a guest operating system. |
51 | |
52 | When in doubt, say N. |
53 | |
54 | config PCI_DISABLE_COMMON_QUIRKS |
55 | bool "PCI disable common quirks" |
56 | depends on PCI |
57 | help |
58 | If you don't know what to do here, say N. |
59 | |
60 | config HT_IRQ |
61 | bool "Interrupts on hypertransport devices" |
62 | default y |
63 | depends on PCI && X86_LOCAL_APIC && X86_IO_APIC |
64 | help |
65 | This allows native hypertransport devices to use interrupts. |
66 | |
67 | If unsure say Y. |
68 | |
69 | config PCI_IOV |
70 | bool "PCI IOV support" |
71 | depends on PCI |
72 | help |
73 | I/O Virtualization is a PCI feature supported by some devices |
74 | which allows them to create virtual devices which share their |
75 | physical resources. |
76 | |
77 | If unsure, say N. |
78 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9