Re: [PATCH 0/9] RISC-V KVM ONE_REG interface for SBI

Anup Patel
2022-12-03T12:39:30Z

On Mon, Nov 28, 2022 at 9:44 PM Anup Patel <apatel@ventanamicro.com> wrote:
>
> This series does first does few cleanups/fixes (PATCH1 to PATCH5) and
> adds ONE-REG interface for customizing the SBI interface visible to the
> Guest/VM.
>
> The testing of this series has been done with KVMTOOL changes in
> riscv_sbi_imp_v1 branch at:
> https://github.com/avpatel/kvmtool.git
>
> These patches can also be found in the riscv_kvm_sbi_imp_v1 branch at:
> https://github.com/avpatel/linux.git
>
> Anup Patel (9):
> RISC-V: KVM: Fix reg_val check in kvm_riscv_vcpu_set_reg_config()
> RISC-V: KVM: Remove redundant includes of asm/kvm_vcpu_timer.h
> RISC-V: KVM: Remove redundant includes of asm/csr.h
> RISC-V: KVM: Use switch-case in kvm_riscv_vcpu_set/get_reg()
> RISC-V: KVM: Move sbi related struct and functions to kvm_vcpu_sbi.h
> RISC-V: Export sbi_get_mvendorid() and friends
> RISC-V: KVM: Save mvendorid, marchid, and mimpid when creating VCPU
> RISC-V: KVM: Add ONE_REG interface for mvendorid, marchid, and mimpid
> RISC-V: KVM: Add ONE_REG interface to enable/disable SBI extensions

I have queued PATCH1 to PATCH8 for Linux-6.2.

I have deferred PATCH9 until we have an agreement about how to deal
with VM-level attributes. This is also required for the KVM SBI PMU series.

>
> arch/riscv/include/asm/kvm_host.h | 16 ++-
> arch/riscv/include/asm/kvm_vcpu_sbi.h | 14 ++-
> arch/riscv/include/uapi/asm/kvm.h | 22 ++++
> arch/riscv/kernel/sbi.c | 3 +
> arch/riscv/kvm/vcpu.c | 82 +++++++++++----
> arch/riscv/kvm/vcpu_sbi.c | 145 +++++++++++++++++++++++---
> arch/riscv/kvm/vcpu_sbi_base.c | 15 ++-
> arch/riscv/kvm/vcpu_sbi_hsm.c | 1 -
> arch/riscv/kvm/vcpu_sbi_replace.c | 1 -
> arch/riscv/kvm/vcpu_sbi_v01.c | 1 -
> 10 files changed, 244 insertions(+), 56 deletions(-)
>
> --
> 2.34.1
>

Thanks,
Anup