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vmm: Add iommu=on|off option for --rng

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Having the virtual IOMMU created with --iommu is one thing, but we also
need a way to decide if a virtio-rng device should be attached to this
virtual IOMMU or not. That's why we introduce an extra option "iommu"
with the value "on" or "off". By default, the device is not attached,
which means "iommu=off".

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2019-10-04 11:18:49 -07:00
committed by Samuel Ortiz
parent 20c4ed829a
commit fb4769388b
3 changed files with 35 additions and 5 deletions
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10
src/main.rs
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@@ -80,7 +80,8 @@ fn main() {
}
let default_vcpus = format! {"{}", config::DEFAULT_VCPUS};
let default_memory = &format! {"size={}M", config::DEFAULT_MEMORY_MB};
let default_memory = format! {"size={}M", config::DEFAULT_MEMORY_MB};
let default_rng = format! {"src={}", config::DEFAULT_RNG_SOURCE};
let cmd_arguments = App::new("cloud-hypervisor")
.version(crate_version!())
@@ -145,8 +146,11 @@ fn main() {
.arg(
Arg::with_name("rng")
.long("rng")
.help("Path to entropy source")
.default_value(config::DEFAULT_RNG_SOURCE)
.help(
"Random number generator parameters \
\"src=<entropy_source_path>,iommu=on|off\"",
)
.default_value(&default_rng)
.group("vm-config"),
)
.arg(