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 apatel@ventanamicro.com
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 ajones@ventanamicro.com