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authorAlex Williamson <alex.williamson@redhat.com>2012-07-31 08:16:24 -0600
committerAlex Williamson <alex.williamson@redhat.com>2012-07-31 08:16:24 -0600
commit89e1f7d4c66d85f42c3d52ea3866eb10cadf6153 (patch)
tree6bea54ae5eaea48c17d309855d36d801259b64d1 /MAINTAINERS
parent73fa0d10d077d9521ee2dace2307ae2c9a965336 (diff)
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vfio: Add PCI device driver
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>
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