Re: [PATCH v3 6/8] RISC-V: KVM: Add ONE_REG interface for AIA CSRs

Anup Patel
2023-04-03T12:05:23Z

On Mon, Apr 3, 2023 at 5:01 PM Andrew Jones <ajones@ventanamicro.com> wrote:
>
> On Mon, Apr 03, 2023 at 03:03:08PM +0530, Anup Patel wrote:
> > We implement ONE_REG interface for AIA CSRs as a separate subtype
> > under the CSR ONE_REG interface.
> >
> > Signed-off-by: Anup Patel <apatel@ventanamicro.com>
> > ---
> > arch/riscv/include/uapi/asm/kvm.h | 8 ++++++++
> > arch/riscv/kvm/vcpu.c | 8 ++++++++
> > 2 files changed, 16 insertions(+)
> >
> > diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h
> > index 182023dc9a51..cbc3e74fa670 100644
> > --- a/arch/riscv/include/uapi/asm/kvm.h
> > +++ b/arch/riscv/include/uapi/asm/kvm.h
> > @@ -79,6 +79,10 @@ struct kvm_riscv_csr {
> > unsigned long scounteren;
> > };
> >
> > +/* AIA CSR registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> > +struct kvm_riscv_aia_csr {
> > +};
> > +
> > /* TIMER registers for KVM_GET_ONE_REG and KVM_SET_ONE_REG */
> > struct kvm_riscv_timer {
> > __u64 frequency;
> > @@ -107,6 +111,7 @@ enum KVM_RISCV_ISA_EXT_ID {
> > KVM_RISCV_ISA_EXT_ZIHINTPAUSE,
> > KVM_RISCV_ISA_EXT_ZICBOM,
> > KVM_RISCV_ISA_EXT_ZBB,
>
> Looks like this patch is also based on "[PATCH] RISC-V: KVM: Allow Zbb
> extension for Guest/VM"

Yes, do you want me to change the order of dependency?

Regards,
Anup