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From: Hariharan Mari <hari55@linux.ibm.com>
To: linux-kselftest@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, shuah@kernel.org,
frankja@linux.ibm.com, borntraeger@linux.ibm.com,
imbrenda@linux.ibm.com, david@redhat.com, pbonzini@redhat.com
Subject: [PATCH v1 0/5] KVM: s390: selftests: Add regression tests for CPU
subfunctions
Date: Mon, 19 Aug 2024 15:54:21 +0200
Message-ID: <20240819140040.1087552-1-hari55@linux.ibm.com>
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| Series |
KVM: s390: selftests: Add regression tests for CPU subfunctions
|
expand
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This patch series introduces a set of regression tests for various s390x CPU subfunctions in KVM. The tests ensure that the KVM implementation accurately reflects the behavior of actual CPU instructions for these subfunctions. The series adds tests for a total of 15 instructions across five patches, covering a range of operations including sorting, compression, and various cryptographic functions. Each patch follows a consistent testing pattern: 1. Obtain the KVM_S390_VM_CPU_MACHINE_SUBFUNC attribute for the VM. 2. Execute the relevant asm instructions. 3. Compare KVM-reported results with direct instruction execution results. Testing has been performed on s390x hardware with KVM support. All tests pass successfully, verifying the correct implementation of these subfunctions in KVM. Hariharan Mari (5): KVM: s390: selftests: Add regression tests for SORTL and DFLTCC CPU subfunctions KVM: s390: selftests: Add regression tests for PRNO, KDSA and KMA crypto subfunctions KVM: s390: selftests: Add regression tests for KMCTR, KMF, KMO and PCC crypto subfunctions KVM: s390: selftests: Add regression tests for KMAC, KMC, KM, KIMD and KLMD crypto subfunctions KVM: s390: selftests: Add regression tests for PLO subfunctions tools/testing/selftests/kvm/Makefile | 1 + .../selftests/kvm/include/s390x/facility.h | 50 +++ .../kvm/s390x/cpumodel_subfuncs_test.c | 343 ++++++++++++++++++ 3 files changed, 394 insertions(+) create mode 100644 tools/testing/selftests/kvm/include/s390x/facility.h create mode 100644 tools/testing/selftests/kvm/s390x/cpumodel_subfuncs_test.c