[PATCH v4 3/8] RISC-V: KVM: Allow Zicfiss/Zicfilp extensions for Guest/VM

[Inochi Amaoto <inochiama@gmail.com>]

Extend the KVM ISA extension array to allow KVM userspace to
detect and enable Zicfiss/Zicfilp extensions for Guest/VM.

Assisted-by: YuanSheng:claude-4.7-opus
Co-developed-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
---
 arch/riscv/include/uapi/asm/kvm.h | 2 ++
 arch/riscv/kvm/isa.c              | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h
index 7bbea8812d92..a27de850fa4c 100644
--- a/arch/riscv/include/uapi/asm/kvm.h
+++ b/arch/riscv/include/uapi/asm/kvm.h
@@ -199,6 +199,8 @@ enum KVM_RISCV_ISA_EXT_ID {
 	KVM_RISCV_ISA_EXT_ZCLSD,
 	KVM_RISCV_ISA_EXT_ZILSD,
 	KVM_RISCV_ISA_EXT_ZALASR,
+	KVM_RISCV_ISA_EXT_ZICFILP,
+	KVM_RISCV_ISA_EXT_ZICFISS,
 	KVM_RISCV_ISA_EXT_MAX,
 };
 
diff --git a/arch/riscv/kvm/isa.c b/arch/riscv/kvm/isa.c
index 1132d909cc25..9852a91fdecc 100644
--- a/arch/riscv/kvm/isa.c
+++ b/arch/riscv/kvm/isa.c
@@ -65,6 +65,8 @@ static const unsigned long kvm_isa_ext_arr[] = {
 	KVM_ISA_EXT_ARR(ZICBOP),
 	KVM_ISA_EXT_ARR(ZICBOZ),
 	KVM_ISA_EXT_ARR(ZICCRSE),
+	KVM_ISA_EXT_ARR(ZICFILP),
+	KVM_ISA_EXT_ARR(ZICFISS),
 	KVM_ISA_EXT_ARR(ZICNTR),
 	KVM_ISA_EXT_ARR(ZICOND),
 	KVM_ISA_EXT_ARR(ZICSR),
-- 
2.55.0