Add basic SEV and SEV-ES smoke tests. Unlike the intra-host migration tests, this one actually runs a small chunk of code in the guest. Unless anyone strongly objects to the quick and dirty approach I've taken for SEV-ES, I'll get all of this queued for 6.9 soon-ish. As for _why_ I added the quick-and-dirty SEV-ES testcase, I have a series to cleanup __svm_sev_es_vcpu_run(), and found out that apparently I have a version of OVMF that doesn't quite have to the right <something> for SEV-ES, and so I could even get a "real" VM to reach KVM_RUN. I assumed (correctly, yay!) that hacking together a selftest would be faster than figuring out what firmware magic I am missing. v9: - Drop is_kvm_sev_supported() and rely purely on KVM capabilities. - Check X86_FEATURE_SEV to ensure SEV is actually enabled. - Collect tags. [Carlos, Itaru] v8: - https://lore.kernel.org/all/cc9a1951-e76c-470d-a4d1-8ad67bae5794@xxxxxxx - Undo the kvm.h uAPI breakage. - Take advantage of "struct vm_shape", introduced by the guest_memfd selftests, to simply tracking the SEV/SEV-ES subtypes. - Rename the test to "sev_smoke_test" instead of "sev_all_boot_test", as the "all" is rather nonsensical, and the test isn't booting anything in the traditional sense of the word. - Drop vm->protected and instead add an arch hook to query if the VM has protected memory. - Assert that the target memory region supports protected memory when allocating protected memory. - Allocate protected_phy_pages for memory regions if and only if the VM supports protected memory. - Rename kvm_host.h to kvm_util_arch.h, and move it to selftests/kvm where it belongs. - Fix up some SoB goofs. - Convert the intrahost SEV/SEV-ES migration tests to use common ioctl() wrappers. Ackerley Tng (1): KVM: selftests: Add a macro to iterate over a sparsebit range Michael Roth (2): KVM: selftests: Make sparsebit structs const where appropriate KVM: selftests: Add support for protected vm_vaddr_* allocations Peter Gonda (5): KVM: selftests: Add support for allocating/managing protected guest memory KVM: selftests: Explicitly ucall pool from shared memory KVM: selftests: Allow tagging protected memory in guest page tables KVM: selftests: Add library for creating and interacting with SEV guests KVM: selftests: Add a basic SEV smoke test Sean Christopherson (3): KVM: selftests: Extend VM creation's @shape to allow control of VM subtype KVM: selftests: Use the SEV library APIs in the intra-host migration test KVM: selftests: Add a basic SEV-ES smoke test tools/testing/selftests/kvm/Makefile | 2 + .../kvm/include/aarch64/kvm_util_arch.h | 7 ++ .../selftests/kvm/include/kvm_util_base.h | 50 +++++++- .../kvm/include/riscv/kvm_util_arch.h | 7 ++ .../kvm/include/s390x/kvm_util_arch.h | 7 ++ .../testing/selftests/kvm/include/sparsebit.h | 56 ++++++--- .../kvm/include/x86_64/kvm_util_arch.h | 23 ++++ .../selftests/kvm/include/x86_64/processor.h | 8 ++ .../selftests/kvm/include/x86_64/sev.h | 107 ++++++++++++++++ tools/testing/selftests/kvm/lib/kvm_util.c | 67 ++++++++-- tools/testing/selftests/kvm/lib/sparsebit.c | 48 ++++---- .../testing/selftests/kvm/lib/ucall_common.c | 3 +- .../selftests/kvm/lib/x86_64/processor.c | 32 ++++- tools/testing/selftests/kvm/lib/x86_64/sev.c | 114 ++++++++++++++++++ .../selftests/kvm/x86_64/sev_migrate_tests.c | 67 ++++------ .../selftests/kvm/x86_64/sev_smoke_test.c | 88 ++++++++++++++ 16 files changed, 583 insertions(+), 103 deletions(-) create mode 100644 tools/testing/selftests/kvm/include/aarch64/kvm_util_arch.h create mode 100644 tools/testing/selftests/kvm/include/riscv/kvm_util_arch.h create mode 100644 tools/testing/selftests/kvm/include/s390x/kvm_util_arch.h create mode 100644 tools/testing/selftests/kvm/include/x86_64/kvm_util_arch.h create mode 100644 tools/testing/selftests/kvm/include/x86_64/sev.h create mode 100644 tools/testing/selftests/kvm/lib/x86_64/sev.c create mode 100644 tools/testing/selftests/kvm/x86_64/sev_smoke_test.c base-commit: 60eedcfceda9db46f1b333e5e1aa9359793f04fb -- 2.44.0.rc0.258.g7320e95886-goog
