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virt: acrn: Introduce VM management interfaces

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The VM management interfaces expose several VM operations to ACRN
userspace via ioctls. For example, creating VM, starting VM, destroying
VM and so on.

The ACRN Hypervisor needs to exchange data with the ACRN userspace
during the VM operations. HSM provides VM operation ioctls to the ACRN
userspace and communicates with the ACRN Hypervisor for VM operations
via hypercalls.

HSM maintains a list of User VM. Each User VM will be bound to an
existing file descriptor of /dev/acrn_hsm. The User VM will be
destroyed when the file descriptor is closed.

Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Yu Wang <yu1.wang@intel.com>
Cc: Reinette Chatre <reinette.chatre@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
Link: https://lore.kernel.org/r/20210207031040.49576-7-shuo.a.liu@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shuo Liu
2021-02-07 11:10:28 +08:00
committed by Greg Kroah-Hartman
parent 666834c47d
commit 9c5137aedd
8 changed files with 301 additions and 4 deletions
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1
Documentation/userspace-api/ioctl/ioctl-number.rst
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@@ -320,6 +320,7 @@ Code Seq# Include File Comments
0xA0 all linux/sdp/sdp.h Industrial Device Project
<mailto:kenji@bitgate.com>
0xA1 0 linux/vtpm_proxy.h TPM Emulator Proxy Driver
0xA2 all uapi/linux/acrn.h ACRN hypervisor
0xA3 80-8F Port ACL in development:
<mailto:tlewis@mindspring.com>
0xA3 90-9F linux/dtlk.h