linux-kernel - [PATCH 0/4] RISCV: Add kvm Sstc timer selftest

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Message-Id: <cover.1690364259.git.haibo1.xu@intel.com>
Date:   Thu, 27 Jul 2023 15:20:04 +0800
From:   Haibo Xu <haibo1.xu@...el.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     xiaobo55x@...il.com, haibo1.xu@...el.com, ajones@...tanamicro.com,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Sean Christopherson <seanjc@...gle.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>,
        Marc Zyngier <maz@...nel.org>,
        Andrew Jones <andrew.jones@...ux.dev>,
        Vishal Annapurve <vannapurve@...gle.com>,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        kvm@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kvm-riscv@...ts.infradead.org
Subject: [PATCH 0/4] RISCV: Add kvm Sstc timer selftest

The sstc_timer selftest is used to validate Sstc timer functionality
in a guest, which sets up periodic timer interrupts and check the
basic interrupt status upon its receipt.

This KVM selftest was ported from aarch64 arch_timer and tested
with Linux v6.5-rc3 on a Qemu riscv64 virt machine.

Haibo Xu (4):
  tools: riscv: Add header file csr.h
  KVM: riscv: selftests: Add exception handling support
  KVM: riscv: selftests: Add guest helper to get vcpu id
  KVM: riscv: selftests: Add sstc_timer test

 tools/arch/riscv/include/asm/csr.h            | 127 ++++++
 tools/testing/selftests/kvm/Makefile          |   2 +
 .../selftests/kvm/include/riscv/processor.h   |  76 ++++
 .../selftests/kvm/include/riscv/sstc_timer.h  |  70 ++++
 .../selftests/kvm/lib/riscv/handlers.S        | 101 +++++
 .../selftests/kvm/lib/riscv/processor.c       |  74 ++++
 .../testing/selftests/kvm/riscv/sstc_timer.c  | 382 ++++++++++++++++++
 7 files changed, 832 insertions(+)
 create mode 100644 tools/arch/riscv/include/asm/csr.h
 create mode 100644 tools/testing/selftests/kvm/include/riscv/sstc_timer.h
 create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S
 create mode 100644 tools/testing/selftests/kvm/riscv/sstc_timer.c

-- 
2.34.1