On 11/11/21 07:18, Yang Zhong wrote:
> On Wed, Nov 10, 2021 at 10:55:40AM -0600, Eric Blake wrote:
>> On Mon, Nov 01, 2021 at 12:20:07PM -0400, Yang Zhong wrote:
>>> Add the SGXEPCSection list into SGXInfo to show the multiple
>>> SGX EPC sections detailed info, not the total size like before.
>>> This patch can enable numa support for 'info sgx' command and
>>> QMP interfaces. The new interfaces show each EPC section info
>>> in one numa node. Libvirt can use QMP interface to get the
>>> detailed host SGX EPC capabilities to decide how to allocate
>>> host EPC sections to guest.
>>>
>>> (qemu) info sgx
>>> SGX support: enabled
>>> SGX1 support: enabled
>>> SGX2 support: enabled
>>> FLC support: enabled
>>> NUMA node #0: size=67108864
>>> NUMA node #1: size=29360128
>>>
>>> The QMP interface show:
>>> (QEMU) query-sgx
>>> {"return": {"sgx": true, "sgx2": true, "sgx1": true, "sections": \
>>> [{"node": 0, "size": 67108864}, {"node": 1, "size": 29360128}], "flc":
>>> true}}
>>>
>>> (QEMU) query-sgx-capabilities
>>> {"return": {"sgx": true, "sgx2": true, "sgx1": true, "sections": \
>>> [{"node": 0, "size": 17070817280}, {"node": 1, "size": 17079205888}],
>>> "flc": true}}
>>
>> Other than the different "size" values, how do these commands differ?
>
>
> As for QMP interfaces,
> The 'query-sgx' to get VM sgx detailed info, and 'query-sgx-capabilities'
> to get
> the host sgx capabilities and Libvirt can use this info to decide how to
> allocate
> virtual EPC sections to VMs.
What about renaming/aliasing as 'query-host-sgx' / 'query-guest-sgx'?
