Re: [PATCH v5 00/12] RISCV: Add kvm Sstc timer selftests

From: Anup Patel
Date: Mon Feb 12 2024 - 07:24:22 EST


On Mon, Jan 22, 2024 at 3:15 PM Haibo Xu <haibo1.xu@xxxxxxxxx> wrote:
>
> The RISC-V arch_timer selftests 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 selftests was ported from aarch64 arch_timer and tested
> with Linux v6.7-rc8 on a Qemu riscv64 virt machine.
>
> ---
> Changed since v4:
> * Rebased to Linux 6.7-rc8
> * Added new patch(2/12) to clean up the data type in struct test_args
> * Re-ordered patch(11/11) in v4 to patch(3/12)
> * Changed the timer_err_margin_us type from int to uint32_t
>
> Haibo Xu (11):
> KVM: arm64: selftests: Data type cleanup for arch_timer test
> KVM: arm64: selftests: Enable tuning of error margin in arch_timer
> test
> KVM: arm64: selftests: Split arch_timer test code
> KVM: selftests: Add CONFIG_64BIT definition for the build
> tools: riscv: Add header file csr.h
> tools: riscv: Add header file vdso/processor.h
> KVM: riscv: selftests: Switch to use macro from csr.h
> KVM: riscv: selftests: Add exception handling support
> KVM: riscv: selftests: Add guest helper to get vcpu id
> KVM: riscv: selftests: Change vcpu_has_ext to a common function
> KVM: riscv: selftests: Add sstc timer test
>
> Paolo Bonzini (1):
> selftests/kvm: Fix issues with $(SPLIT_TESTS)

Rebased on Linux-6.8-rc4 and queued this series for Linux-6.9

Thanks,
Anup

>
> tools/arch/riscv/include/asm/csr.h | 541 ++++++++++++++++++
> tools/arch/riscv/include/asm/vdso/processor.h | 32 ++
> tools/testing/selftests/kvm/Makefile | 27 +-
> .../selftests/kvm/aarch64/arch_timer.c | 295 +---------
> tools/testing/selftests/kvm/arch_timer.c | 259 +++++++++
> .../selftests/kvm/include/aarch64/processor.h | 4 -
> .../selftests/kvm/include/kvm_util_base.h | 9 +
> .../selftests/kvm/include/riscv/arch_timer.h | 71 +++
> .../selftests/kvm/include/riscv/processor.h | 65 ++-
> .../testing/selftests/kvm/include/test_util.h | 2 +
> .../selftests/kvm/include/timer_test.h | 45 ++
> .../selftests/kvm/lib/riscv/handlers.S | 101 ++++
> .../selftests/kvm/lib/riscv/processor.c | 87 +++
> .../testing/selftests/kvm/riscv/arch_timer.c | 111 ++++
> .../selftests/kvm/riscv/get-reg-list.c | 11 +-
> 15 files changed, 1353 insertions(+), 307 deletions(-)
> create mode 100644 tools/arch/riscv/include/asm/csr.h
> create mode 100644 tools/arch/riscv/include/asm/vdso/processor.h
> create mode 100644 tools/testing/selftests/kvm/arch_timer.c
> create mode 100644 tools/testing/selftests/kvm/include/riscv/arch_timer.h
> create mode 100644 tools/testing/selftests/kvm/include/timer_test.h
> create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S
> create mode 100644 tools/testing/selftests/kvm/riscv/arch_timer.c
>
> --
> 2.34.1
>