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The SEV-SNP specification provides the guest a mechanism to communicate with the PSP without risk from a malicious hypervisor who wishes to read, alter, drop or replay the messages sent. The driver uses snp_issue_guest_request() to issue GHCB SNP_GUEST_REQUEST or SNP_EXT_GUEST_REQUEST NAE events to submit the request to PSP. The PSP requires that all communication should be encrypted using key specified through a struct snp_guest_platform_data descriptor. Userspace can use SNP_GET_REPORT ioctl() to query the guest attestation report. See SEV-SNP spec section Guest Messages for more details. [ bp: Remove the "what" from the commit message, massage. ] Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20220307213356.2797205-44-brijesh.singh@amd.com
13 lines
329 B
Makefile
13 lines
329 B
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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#
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# Makefile for drivers that support virtualization
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#
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obj-$(CONFIG_FSL_HV_MANAGER) += fsl_hypervisor.o
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obj-$(CONFIG_VMGENID) += vmgenid.o
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obj-y += vboxguest/
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obj-$(CONFIG_NITRO_ENCLAVES) += nitro_enclaves/
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obj-$(CONFIG_ACRN_HSM) += acrn/
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obj-$(CONFIG_SEV_GUEST) += coco/sevguest/
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