linux-kernel - [RFC PATCH 0/2] Add NV Selftest cases

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Message-ID: <20250206164120.4045569-1-gankulkarni@os.amperecomputing.com>
Date: Thu,  6 Feb 2025 08:41:18 -0800
From: Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>
To: kvm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	kvmarm@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Cc: maz@...nel.org,
	oliver.upton@...ux.dev,
	joey.gouly@....com,
	suzuki.poulose@....com,
	darren@...amperecomputing.com,
	scott@...amperecomputing.com,
	gankulkarni@...amperecomputing.com
Subject: [RFC PATCH 0/2] Add NV Selftest cases

In this patch seried, modified kvm selftests code to enable
guest code to run in vEL2(As guest Hypervisor).
Also added test cases to test guest code booting in vEL2
and register access of VNCR mapped registers.

This patchset is created as per discussions over ml[1].
Posting RFC patch for the early feedback and to
further explore requirements and test cases.

Ganapatrao Kulkarni (2):
  KVM: arm64: nv: selftests: Add guest hypervisor test
  KVM: arm64: nv: selftests: Access VNCR mapped registers

 tools/testing/selftests/kvm/Makefile.kvm      |   2 +
 .../selftests/kvm/arm64/nv_guest_hypervisor.c |  83 ++++++
 .../selftests/kvm/arm64/nv_vncr_regs_test.c   | 255 ++++++++++++++++++
 .../kvm/include/arm64/kvm_util_arch.h         |   3 +
 .../selftests/kvm/include/arm64/nv_util.h     |  28 ++
 .../testing/selftests/kvm/include/kvm_util.h  |   1 +
 .../selftests/kvm/lib/arm64/processor.c       |  59 +++-
 7 files changed, 417 insertions(+), 14 deletions(-)
 create mode 100644 tools/testing/selftests/kvm/arm64/nv_guest_hypervisor.c
 create mode 100644 tools/testing/selftests/kvm/arm64/nv_vncr_regs_test.c
 create mode 100644 tools/testing/selftests/kvm/include/arm64/nv_util.h

-- 
2.48.1