| Message ID | 20240524103307.2684-4-yongxuan.wang@sifive.com |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | Add Svadu Extension Support | expand |
On Fri, May 24, 2024 at 06:33:03PM GMT, Yong-Xuan Wang wrote: > We extend the KVM ISA extension ONE_REG interface to allow VMM tools to > detect and enable Svadu extension for Guest/VM. The ADUE bit in henvcfg > is cleared by default for backward-compatibility. > > Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> > --- > arch/riscv/include/uapi/asm/kvm.h | 1 + > arch/riscv/kvm/vcpu_onereg.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h > index a59a8448deea..bcf99264560d 100644 > --- a/arch/riscv/include/uapi/asm/kvm.h > +++ b/arch/riscv/include/uapi/asm/kvm.h > @@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID { > KVM_RISCV_ISA_EXT_ZFA, > KVM_RISCV_ISA_EXT_ZTSO, > KVM_RISCV_ISA_EXT_ZACAS, > + KVM_RISCV_ISA_EXT_SVADU, > KVM_RISCV_ISA_EXT_MAX, > }; > > diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c > index 994adc26db4b..4166665e215d 100644 > --- a/arch/riscv/kvm/vcpu_onereg.c > +++ b/arch/riscv/kvm/vcpu_onereg.c > @@ -37,6 +37,7 @@ static const unsigned long kvm_isa_ext_arr[] = { > KVM_ISA_EXT_ARR(SMSTATEEN), > KVM_ISA_EXT_ARR(SSAIA), > KVM_ISA_EXT_ARR(SSTC), > + KVM_ISA_EXT_ARR(SVADU), > KVM_ISA_EXT_ARR(SVINVAL), > KVM_ISA_EXT_ARR(SVNAPOT), > KVM_ISA_EXT_ARR(SVPBMT), > -- > 2.17.1 > Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index a59a8448deea..bcf99264560d 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -167,6 +167,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_ZFA, KVM_RISCV_ISA_EXT_ZTSO, KVM_RISCV_ISA_EXT_ZACAS, + KVM_RISCV_ISA_EXT_SVADU, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 994adc26db4b..4166665e215d 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -37,6 +37,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(SMSTATEEN), KVM_ISA_EXT_ARR(SSAIA), KVM_ISA_EXT_ARR(SSTC), + KVM_ISA_EXT_ARR(SVADU), KVM_ISA_EXT_ARR(SVINVAL), KVM_ISA_EXT_ARR(SVNAPOT), KVM_ISA_EXT_ARR(SVPBMT),
We extend the KVM ISA extension ONE_REG interface to allow VMM tools to detect and enable Svadu extension for Guest/VM. The ADUE bit in henvcfg is cleared by default for backward-compatibility. Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> --- arch/riscv/include/uapi/asm/kvm.h | 1 + arch/riscv/kvm/vcpu_onereg.c | 1 + 2 files changed, 2 insertions(+)