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SPDM enables authentication, attestation and key exchange to assist in
providing infrastructure security enablement. It's a standard published
by the DMTF [1].
SPDM supports multiple transports, including PCIe DOE and MCTP.
This patch adds support to QEMU to connect to an external SPDM
instance.
SPDM support can be added to any QEMU device by exposing a
TCP socket to a SPDM server. The server can then implement the SPDM
decoding/encoding support, generally using libspdm [2].
This is similar to how the current TPM implementation works and means
that the heavy lifting of setting up certificate chains, capabilities,
measurements and complex crypto can be done outside QEMU by a well
supported and tested library.
1: https://www.dmtf.org/standards/SPDM
2: https://github.com/DMTF/libspdm
Signed-off-by: Huai-Cheng Kuo <hchkuo@avery-design.com.tw>
Signed-off-by: Chris Browy <cbrowy@avery-design.com>
Co-developed-by: Jonathan Cameron <Jonathan.cameron@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ Changes by WM
- Bug fixes from testing
]
Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
[ Changes by AF:
- Convert to be more QEMU-ified
- Move to backends as it isn't PCIe specific
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20240703092027.644758-3-alistair.francis@wdc.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Introduce an iommufd object which allows the interaction
with the host /dev/iommu device.
The /dev/iommu can have been already pre-opened outside of qemu,
in which case the fd can be passed directly along with the
iommufd object:
This allows the iommufd object to be shared accross several
subsystems (VFIO, VDPA, ...). For example, libvirt would open
the /dev/iommu once.
If no fd is passed along with the iommufd object, the /dev/iommu
is opened by the qemu code.
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
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TPM subsytem is split into backends (see commit f4ede81eed2)
and frontends (see i.e. 3676bc69b35). Keep the emulated
hardware 'frontends' under hw/tpm/, but move the backends
in the backends/tpm/ directory.
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200612085444.8362-13-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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