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89e1f7d4c6
Add PCI device support for VFIO. PCI devices expose regions for accessing config space, I/O port space, and MMIO areas of the device. PCI config access is virtualized in the kernel, allowing us to ensure the integrity of the system, by preventing various accesses while reducing duplicate support across various userspace drivers. I/O port supports read/write access while MMIO also supports mmap of sufficiently sized regions. Support for INTx, MSI, and MSI-X interrupts are provided using eventfds to userspace. Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
17 lines
393 B
Plaintext
17 lines
393 B
Plaintext
config VFIO_IOMMU_TYPE1
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tristate
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depends on VFIO
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default n
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menuconfig VFIO
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tristate "VFIO Non-Privileged userspace driver framework"
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depends on IOMMU_API
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select VFIO_IOMMU_TYPE1 if X86
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help
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VFIO provides a framework for secure userspace device drivers.
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See Documentation/vfio.txt for more details.
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If you don't know what to do here, say N.
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source "drivers/vfio/pci/Kconfig"
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