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vmm: Add 'hotplugged_size' to memory parameters

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Add the new option 'hotplugged_size' to both --memory-zone and --memory
parameters so that we can let the user specify a certain amount of
memory being plugged at boot.

This is also part of making sure we can store the virtio-mem size over a
reboot of the VM.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2020-09-14 20:23:45 +02:00
parent 33a1e37c35
commit 4e1b78e1ff
5 changed files with 130 additions and 5 deletions
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7
src/main.rs
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@@ -109,7 +109,8 @@ fn create_app<'a, 'b>(
"Memory parameters \
\"size=<guest_memory_size>,mergeable=on|off,shared=on|off,hugepages=on|off,\
hotplug_method=acpi|virtio-mem,\
hotplug_size=<hotpluggable_memory_size>\"",
hotplug_size=<hotpluggable_memory_size>,\
hotplugged_size=<hotplugged_memory_size>\"",
)
.default_value(&default_memory)
.group("vm-config"),
@@ -121,7 +122,8 @@ fn create_app<'a, 'b>(
"User defined memory zone parameters \
\"size=<guest_memory_region_size>,file=<backing_file>,\
shared=on|off,hugepages=on|off,host_numa_node=<node_id>,\
id=<zone_identifier>,hotplug_size=<hotpluggable_memory_size>\"",
id=<zone_identifier>,hotplug_size=<hotpluggable_memory_size>,\
hotplugged_size=<hotplugged_memory_size>\"",
)
.takes_value(true)
.min_values(1)
@@ -539,6 +541,7 @@ mod unit_tests {
mergeable: false,
hotplug_method: HotplugMethod::Acpi,
hotplug_size: None,
hotplugged_size: None,
shared: false,
hugepages: false,
balloon: false,