On Wed, Feb 14, 2024 at 06:07:54PM +0530, Anup Patel wrote: > We extend the KVM ISA extension ONE_REG interface to allow KVM > user space to detect and enable Ztso extension for Guest/VM. > > Signed-off-by: Anup Patel <[email protected]> > --- > arch/riscv/include/uapi/asm/kvm.h | 1 + > arch/riscv/kvm/vcpu_onereg.c | 2 ++ > 2 files changed, 3 insertions(+) > > diff --git a/arch/riscv/include/uapi/asm/kvm.h > b/arch/riscv/include/uapi/asm/kvm.h > index 7499e88a947c..f8aa9f2ace95 100644 > --- a/arch/riscv/include/uapi/asm/kvm.h > +++ b/arch/riscv/include/uapi/asm/kvm.h > @@ -166,6 +166,7 @@ enum KVM_RISCV_ISA_EXT_ID { > KVM_RISCV_ISA_EXT_ZVFH, > KVM_RISCV_ISA_EXT_ZVFHMIN, > KVM_RISCV_ISA_EXT_ZFA, > + KVM_RISCV_ISA_EXT_ZTSO, > KVM_RISCV_ISA_EXT_MAX, > }; > > diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c > index 5f7355e96008..38f5cf286087 100644 > --- a/arch/riscv/kvm/vcpu_onereg.c > +++ b/arch/riscv/kvm/vcpu_onereg.c > @@ -66,6 +66,7 @@ static const unsigned long kvm_isa_ext_arr[] = { > KVM_ISA_EXT_ARR(ZKSED), > KVM_ISA_EXT_ARR(ZKSH), > KVM_ISA_EXT_ARR(ZKT), > + KVM_ISA_EXT_ARR(ZTSO), > KVM_ISA_EXT_ARR(ZVBB), > KVM_ISA_EXT_ARR(ZVBC), > KVM_ISA_EXT_ARR(ZVFH), > @@ -141,6 +142,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned > long ext) > case KVM_RISCV_ISA_EXT_ZKSED: > case KVM_RISCV_ISA_EXT_ZKSH: > case KVM_RISCV_ISA_EXT_ZKT: > + case KVM_RISCV_ISA_EXT_ZTSO: > case KVM_RISCV_ISA_EXT_ZVBB: > case KVM_RISCV_ISA_EXT_ZVBC: > case KVM_RISCV_ISA_EXT_ZVFH: > -- > 2.34.1 >
Reviewed-by: Andrew Jones <[email protected]>
