[libvirt][PATCH v9 0/5] Support query and use SGX

Haibin Huang haibin.huang at intel.com
Wed Dec 15 03:40:10 UTC 2021


This patch series provides support for enabling Intel's Software Guard
Extensions (SGX) feature in guest VM.
Giving the SGX support in QEMU be accepted and will be merged in two
days 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 should contain

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

Haibin Huang (2):
  Get SGX Capabilities from QEMU
  Transfer Qemu SGX Capabilities to XML

Lin Yang (3):
  conf: Introduce SGX EPC element into device memory xml
  qemu: Add command-line to generate SGX EPC memory backend
  Add unit tests for guest VM creation command with SGX EPC

 docs/schemas/domaincaps.rng                   |  22 ++-
 docs/schemas/domaincommon.rng                 |   1 +
 src/conf/domain_capabilities.c                |  29 ++++
 src/conf/domain_capabilities.h                |  13 ++
 src/conf/domain_conf.c                        |   6 +
 src/conf/domain_conf.h                        |   1 +
 src/conf/domain_validate.c                    |   1 +
 src/libvirt_private.syms                      |   1 +
 src/qemu/qemu_alias.c                         |   6 +-
 src/qemu/qemu_capabilities.c                  | 143 +++++++++++++++++-
 src/qemu/qemu_capabilities.h                  |   4 +
 src/qemu/qemu_command.c                       |  41 ++++-
 src/qemu/qemu_domain.c                        |  12 +-
 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                  |  83 ++++++++++
 src/qemu/qemu_monitor_json.h                  |   3 +
 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_2.4.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.4.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_2.4.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_2.5.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.5.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_2.5.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_2.6.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.6.0-tcg.x86_64.xml  |   1 +
 .../qemu_2.6.0-virt.aarch64.xml               |   1 +
 tests/domaincapsdata/qemu_2.6.0.aarch64.xml   |   1 +
 tests/domaincapsdata/qemu_2.6.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_2.6.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_2.7.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.7.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_2.7.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_2.7.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_2.8.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.8.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_2.8.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_2.8.0.x86_64.xml    |   1 +
 .../domaincapsdata/qemu_2.9.0-q35.x86_64.xml  |   1 +
 .../domaincapsdata/qemu_2.9.0-tcg.x86_64.xml  |   1 +
 tests/domaincapsdata/qemu_2.9.0.ppc64.xml     |   1 +
 tests/domaincapsdata/qemu_2.9.0.s390x.xml     |   1 +
 tests/domaincapsdata/qemu_2.9.0.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 +
 tests/domaincapsdata/qemu_6.2.0.x86_64.xml    |   4 +
 .../caps_6.2.0.x86_64.replies                 |  22 ++-
 .../caps_6.2.0.x86_64.xml                     |   5 +
 .../sgx-epc.x86_64-6.2.0.args                 |  37 +++++
 tests/qemuxml2argvdata/sgx-epc.xml            |  36 +++++
 tests/qemuxml2argvtest.c                      |   2 +
 126 files changed, 597 insertions(+), 12 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/sgx-epc.x86_64-6.2.0.args
 create mode 100644 tests/qemuxml2argvdata/sgx-epc.xml

-- 
2.17.1




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