diff options
Diffstat (limited to 'drivers/xen/Kconfig')
| -rw-r--r-- | drivers/xen/Kconfig | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index a59638b37c1a..8af0792dfd67 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -105,4 +105,47 @@ config SWIOTLB_XEN depends on PCI select SWIOTLB +config XEN_PCIDEV_BACKEND + tristate "Xen PCI-device backend driver" + depends on PCI && X86 && XEN + depends on XEN_BACKEND + help + The PCI device backend driver allows the kernel to export arbitrary + PCI devices to other guests. If you select this to be a module, you + will need to make sure no other driver has bound to the device(s) + you want to make visible to other guests. + +choice + prompt "PCI Backend Mode" + depends on XEN_PCIDEV_BACKEND + +config XEN_PCIDEV_BACKEND_VPCI + bool "Virtual PCI" + help + This PCI Backend hides the true PCI topology and makes the frontend + think there is a single PCI bus with only the exported devices on it. + For example, a device at 03:05.0 will be re-assigned to 00:00.0. A + second device at 02:1a.1 will be re-assigned to 00:01.1. + +config XEN_PCIDEV_BACKEND_PASS + bool "Passthrough" + help + This PCI Backend provides a real view of the PCI topology to the + frontend (for example, a device at 06:01.b will still appear at + 06:01.b to the frontend). This is similar to how Xen 2.0.x exposed + PCI devices to its driver domains. This may be required for drivers + which depend on finding their hardward in certain bus/slot + locations. + +endchoice + +config XEN_PCIDEV_BE_DEBUG + bool "Xen PCI Backend Debugging" + depends on XEN_PCIDEV_BACKEND + default n + help + Allows to observe all of the traffic from the frontend/backend + when reading and writting to the configuration registers. + If in doubt, say no. + endmenu |