projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | # |
| 2 | # PCI configuration | |
| 3 | # | |
| f282b970 DW |
4 | config ARCH_SUPPORTS_MSI |
| 5 | bool | |
| 6 | default n | |
| 7 | ||
| 1da177e4 LT |
8 | config PCI_MSI |
| 9 | bool "Message Signaled Interrupts (MSI and MSI-X)" | |
| 10 | depends on PCI | |
| f282b970 | 11 | depends on ARCH_SUPPORTS_MSI |
| 1da177e4 LT |
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 | ||
| 309e57df MW |
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 | ||
| 1da177e4 LT |
22 | If you don't know what to do here, say N. |
| 23 | ||
| bd3989e0 JG |
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 | ||
| 1da177e4 LT |
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 | ||
| c70e0d9d CW |
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 | ||
| 8b955b0d EB |
54 | config HT_IRQ |
| 55 | bool "Interrupts on hypertransport devices" | |
| 56 | default y | |
| fbab41cc | 57 | depends on PCI && X86_LOCAL_APIC && X86_IO_APIC |
| 8b955b0d EB |
58 | help |
| 59 | This allows native hypertransport devices to use interrupts. | |
| 60 | ||
| 61 | If unsure say Y. | |
| d1b054da YZ |
62 | |
| 63 | config PCI_IOV | |
| 64 | bool "PCI IOV support" | |
| 65 | depends on PCI | |
| 66 | help | |
| 67 | I/O Virtualization is a PCI feature supported by some devices | |
| 68 | which allows them to create virtual devices which share their | |
| 69 | physical resources. | |
| 70 | ||
| 71 | If unsure, say N. |