On 10/01/2015 01:28 AM, Stephen Hemminger wrote:
This is a new UIO device driver to allow supporting MSI-X and MSI devices in userspace. It has been used in environments like VMware and older versions of QEMU/KVM where no IOMMU support is available.
Why not add msi/msix support to uio_pci_generic?
Stephen Hemminger (2): *** BLURB HERE *** Stephen Hemminger (2): uio: add support for ioctls uio: new driver to support PCI MSI-X drivers/uio/Kconfig | 9 ++ drivers/uio/Makefile | 1 + drivers/uio/uio.c | 15 ++ drivers/uio/uio_msi.c | 378 +++++++++++++++++++++++++++++++++++++++++++ include/linux/uio_driver.h | 3 + include/uapi/linux/Kbuild | 1 + include/uapi/linux/uio_msi.h | 22 +++ 7 files changed, 429 insertions(+) create mode 100644 drivers/uio/uio_msi.c create mode 100644 include/uapi/linux/uio_msi.h
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