[libvirt][PATCH RESEND v12 0/6] Support query and use SGX

Haibin Huang haibin.huang at intel.com
Wed May 18 07:59:27 UTC 2022


This patch series provides support for enabling Intel's Software Guard Extensions (SGX) feature in guest VM.

Giving the SGX support in QEMU had been merged. Intel SGX is a set of instructions that increases the security of application code and data, giving them more protection from disclosure or modification.
Developers can partition sensitive information into enclaves, which are areas of execution in memory with more security protection.

The typical flow looks below at very high level:

1. Calls virConnectGetDomainCapabilities API to domain capabilities that includes the following SGX information.

<feature>
   ...
   <sgx supported='yes'>
     <epc_size unit='KiB'>N</epc_size>
   </sgx>
   ...
 </feature>

2. User requests to start a guest calling virCreateXML() with SGX requirement. It does not support NUMA yet, since latest QEMU 6.2 release does not support NUMA.
It should contain

<devices>
    ...
    <memory model='sgx-epc'>
       <target>
           <size unit='KiB'>N</size>
       </target>
    </memory>
    ...
</devices>

Please note that SGX NUMA support will be implemented in future patches.

Haibin Huang (4):
  Define SGX capabilities structs
  Get SGX capabilities form QMP
  Convert QMP capabilities to domain capabilities
  conf: expose SGX feature in domain capabilities

Lin Yang (2):
  conf: Introduce SGX EPC element into device memory xml
  qemu: Add command-line to generate SGX EPC memory backend

 docs/formatdomain.rst                         |   9 +-
 docs/formatdomaincaps.rst                     |  26 ++++
 src/conf/domain_capabilities.c                |  33 ++++
 src/conf/domain_capabilities.h                |  13 ++
 src/conf/domain_conf.c                        |   6 +
 src/conf/domain_conf.h                        |   1 +
 src/conf/domain_validate.c                    |  16 ++
 src/conf/schemas/domaincaps.rng               |  22 ++-
 src/conf/schemas/domaincommon.rng             |   1 +
 src/libvirt_private.syms                      |   1 +
 src/qemu/qemu_alias.c                         |   6 +-
 src/qemu/qemu_capabilities.c                  | 145 ++++++++++++++++++
 src/qemu/qemu_capabilities.h                  |   4 +
 src/qemu/qemu_capspriv.h                      |   4 +
 src/qemu/qemu_command.c                       |  54 ++++++-
 src/qemu/qemu_domain.c                        |  38 +++--
 src/qemu/qemu_domain_address.c                |   6 +
 src/qemu/qemu_driver.c                        |   1 +
 src/qemu/qemu_monitor.c                       |  10 ++
 src/qemu/qemu_monitor.h                       |   3 +
 src/qemu/qemu_monitor_json.c                  | 104 ++++++++++++-
 src/qemu/qemu_monitor_json.h                  |   9 ++
 src/qemu/qemu_process.c                       |   2 +
 src/qemu/qemu_validate.c                      |   8 +
 src/security/security_apparmor.c              |   1 +
 src/security/security_dac.c                   |   2 +
 src/security/security_selinux.c               |   2 +
 tests/domaincapsdata/bhyve_basic.x86_64.xml   |   1 +
 tests/domaincapsdata/bhyve_fbuf.x86_64.xml    |   1 +
 tests/domaincapsdata/bhyve_uefi.x86_64.xml    |   1 +
 tests/domaincapsdata/empty.xml                |   1 +
 tests/domaincapsdata/libxl-xenfv.xml          |   1 +
 tests/domaincapsdata/libxl-xenpv.xml          |   1 +
 .../domaincapsdata/qemu_2.11.0-q35.x86_64.xml |   1 +
 .../domaincapsdata/qemu_2.11.0-tcg.x86_64.xml |   1 +
 tests/domaincapsdata/qemu_2.11.0.s390x.xml    |   1 +
 tests/domaincapsdata/qemu_2.11.0.x86_64.xml   |   1 +
 .../domaincapsdata/qemu_2.12.0-q35.x86_64.xml |   1 +
 .../domaincapsdata/qemu_2.12.0-tcg.x86_64.xml |   1 +
 .../qemu_2.12.0-virt.aarch64.xml              |   1 +
 tests/domaincapsdata/qemu_2.12.0.aarch64.xml  |   1 +
 tests/domaincapsdata/qemu_2.12.0.ppc64.xml    |   1 +
 tests/domaincapsdata/qemu_2.12.0.s390x.xml    |   1 +
 tests/domaincapsdata/qemu_2.12.0.x86_64.xml   |   1 +
 .../domaincapsdata/qemu_3.0.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_3.0.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_3.0.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_3.0.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_3.0.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_3.1.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_3.1.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_3.1.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_3.1.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_4.0.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_4.0.0-tcg.x86_64.xml  |   1 +
 .../qemu_4.0.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_4.0.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_4.0.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_4.0.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_4.0.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_4.1.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_4.1.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_4.1.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_4.2.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_4.2.0-tcg.x86_64.xml  |   1 +
 .../qemu_4.2.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_4.2.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_4.2.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_4.2.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_4.2.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_5.0.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_5.0.0-tcg.x86_64.xml  |   1 +
 .../qemu_5.0.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_5.0.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_5.0.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_5.0.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_5.1.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_5.1.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_5.1.0.sparc.xml     |   1 +
 tests/domaincapsdata/qemu_5.1.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_5.2.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_5.2.0-tcg.x86_64.xml  |   1 +
 .../qemu_5.2.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_5.2.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_5.2.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_5.2.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_5.2.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_6.0.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_6.0.0-tcg.x86_64.xml  |   1 +
 .../qemu_6.0.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_6.0.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_6.0.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_6.0.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_6.1.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_6.1.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_6.1.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_6.2.0-q35.x86_64.xml  |   4 +
 .../domaincapsdata/qemu_6.2.0-tcg.x86_64.xml  |   4 +
 .../qemu_6.2.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_6.2.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_6.2.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_6.2.0.x86_64.xml    |   4 +
 .../domaincapsdata/qemu_7.0.0-q35.x86_64.xml  |   4 +
 .../domaincapsdata/qemu_7.0.0-tcg.x86_64.xml  |   4 +
 .../qemu_7.0.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_7.0.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_7.0.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_7.0.0.x86_64.xml    |   4 +
 .../domaincapsdata/qemu_7.1.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_7.1.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_7.1.0.x86_64.xml    |   1 +
 .../caps_6.2.0.x86_64.replies                 |  22 ++-
 .../caps_6.2.0.x86_64.xml                     |   5 +
 .../caps_7.0.0.x86_64.replies                 |  22 ++-
 .../caps_7.0.0.x86_64.xml                     |   5 +
 .../caps_7.1.0.x86_64.replies                 |  21 ++-
 .../sgx-epc.x86_64-6.2.0.args                 |  37 +++++
 tests/qemuxml2argvdata/sgx-epc.xml            |  36 +++++
 tests/qemuxml2argvtest.c                      |   2 +
 .../sgx-epc.x86_64-6.2.0.xml                  |  52 +++++++
 tests/qemuxml2xmltest.c                       |   2 +
 121 files changed, 793 insertions(+), 40 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/sgx-epc.x86_64-6.2.0.args
 create mode 100644 tests/qemuxml2argvdata/sgx-epc.xml
 create mode 100644 tests/qemuxml2xmloutdata/sgx-epc.x86_64-6.2.0.xml

-- 
2.17.1



More information about the libvir-list mailing list