Commit f943ebe2 authored by Anup Patel's avatar Anup Patel Committed by Anup Patel
Browse files

RISC-V: KVM: Allow Ztso extension for Guest/VM 



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: default avatarAnup Patel <apatel@ventanamicro.com>
Reviewed-by: default avatarAndrew Jones <ajones@ventanamicro.com>
Signed-off-by: default avatarAnup Patel <anup@brainfault.org>
parent d808f0b1

arch/riscv/include/uapi/asm/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

};

arch/riscv/kvm/vcpu_onereg.c

+2 −0
Original line number Diff line number Diff line
@@ -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: