[RFC,v3,3/3] riscv: KVM: Add Svukte extension support for Guest/VM

Commit Message

Max Hsu Nov. 20, 2024, 2:09 p.m. UTC

Add KVM_RISCV_ISA_EXT_SVUKTE for VMM to detect the enablement
or disablement the Svukte extension for Guest/VM

Reviewed-by: Samuel Holland <[e-mail]>
Signed-off-by: Max Hsu <[e-mail]>
---
 arch/riscv/include/uapi/asm/kvm.h | 1 +
 arch/riscv/kvm/vcpu_onereg.c      | 1 +
 2 files changed, 2 insertions(+)

Patch

diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h
index 4f24201376b17215315cf1fb8888d0a562dc76ac..158f9253658c4c28a533b2bda179fb48bf41e1fc 100644
--- a/arch/riscv/include/uapi/asm/kvm.h
+++ b/arch/riscv/include/uapi/asm/kvm.h
@@ -177,6 +177,7 @@  enum KVM_RISCV_ISA_EXT_ID {
 	KVM_RISCV_ISA_EXT_ZAWRS,
 	KVM_RISCV_ISA_EXT_SMNPM,
 	KVM_RISCV_ISA_EXT_SSNPM,
+	KVM_RISCV_ISA_EXT_SVUKTE,
 	KVM_RISCV_ISA_EXT_MAX,
 };
 
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c
index 5b68490ad9b75fef6a18289d8c5cf9291594e01e..4c3a77cdeed0956e21e53d1ab4e948a170ac5c5c 100644
--- a/arch/riscv/kvm/vcpu_onereg.c
+++ b/arch/riscv/kvm/vcpu_onereg.c
@@ -43,6 +43,7 @@  static const unsigned long kvm_isa_ext_arr[] = {
 	KVM_ISA_EXT_ARR(SVINVAL),
 	KVM_ISA_EXT_ARR(SVNAPOT),
 	KVM_ISA_EXT_ARR(SVPBMT),
+	KVM_ISA_EXT_ARR(SVUKTE),
 	KVM_ISA_EXT_ARR(ZACAS),
 	KVM_ISA_EXT_ARR(ZAWRS),
 	KVM_ISA_EXT_ARR(ZBA),