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vmm: Implement VM pause

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In order to pause a VM, we signal all the vCPU threads to get them out
of vmx non-root. Once out, the vCPU thread will check for a an atomic
pause boolean. If it's set to true, then the thread will park until
being resumed.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz
2019-10-10 17:16:58 +02:00
committed by Sebastien Boeuf
parent 80c3fd922a
commit 4ac0cb9cff
6 changed files with 88 additions and 2 deletions
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15
vmm/src/api/openapi/cloud-hypervisor.yaml
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@@ -80,6 +80,21 @@ paths:
description: The VM instance could not boot because it is not created yet
content: {}
/vm.pause:
put:
summary: Pause a previously booted VM instance.
operationId: pauseVM
responses:
201:
description: The VM instance successfully paused.
content: {}
404:
description: The VM instance could not pause because it is not created yet
content: {}
405:
description: The VM instance could not pause because it is not booted.
content: {}
/vm.shutdown:
put:
summary: Shut the VM instance down.