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vfio: pci: Build the KVM routes

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We track all MSI and MSI-X capabilities changes, which allows us to also
track all MSI and MSI-X table changes.

With both pieces of information we can build kvm irq routing tables and
map the physical device MSI/X vectors to the guest ones. Once that
mapping is in place we can toggle the VFIO IRQ API accordingly and
enable disable MSI or MSI-X interrupts, from the physical device up to
the guest.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Sebastien Boeuf
2019-07-15 10:48:37 +02:00
committed by Samuel Ortiz
parent 20f0116111
commit c93d5361b8
3 changed files with 223 additions and 6 deletions
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Cargo.lock
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@@ -303,7 +303,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "kvm-ioctls"
version = "0.2.0"
source = "git+https://github.com/rust-vmm/kvm-ioctls#c024055f7fe6a18508a05c0dbc905d300f91e003"
source = "git+https://github.com/rust-vmm/kvm-ioctls#37669f60a04a65b9e81cc62ac4a484ea0ed421ca"
dependencies = [
"kvm-bindings 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.59 (registry+https://github.com/rust-lang/crates.io-index)",