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88dd060db9
qemu
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backends
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Kconfig
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tpm: Move backend code under the 'backends/' directory 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>
2020-06-12 11:54:44 +03:00
source tpm/Kconfig
backends/iommufd: Introduce the iommufd object 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>
2023-11-21 11:44:00 +03:00
config IOMMUFD
bool
depends on VFIO
backends: Initial support for SPDM socket support 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>
2024-07-03 12:20:26 +03:00
config SPDM_SOCKET
bool
default y
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