Add helper struct to manage device interrupt mode

A device may support multiple interrupt modes. For example, a PCI device may support legacy, PCI MSI and PCI MSIx interrupts. So add struct DeviceInterruptManager to manage the device interupt working mode. This interrupt manager helps a device backend driver to manage its interrupts and provides interfaces to switch interrupt working modes. Signed-off-by: Liu Jiang <[email protected]>
cloud-hypervisor · Jun 10, 2020 · 8a64aee · 8a64aee
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diff --git a/Cargo.toml b/Cargo.toml
@@ -13,10 +13,15 @@ kvm-ioctls = { version = "~0", optional = true }
 vfio-ioctls = { git = "https://github.com/cloud-hypervisor/vfio-ioctls.git", branch = "dragonball", optional = true }
 vmm-sys-util = "~0"
 
+[dev-dependencies]
+byteorder = ">=1.2.1"
+
 [features]
+default = ["legacy-irq", "msi-irq"]
 legacy-irq = []
 msi-irq = []
 vfio-msi-irq = []
+
 kvm-irq = ["kvm-ioctls", "kvm-bindings"]
 kvm-msi-generic = ["msi-irq", "kvm-irq"]
 kvm-legacy-irq = ["legacy-irq", "kvm-irq"]