[PATCH v5 11/12] KVM: riscv: selftests: Change vcpu_has_ext to a common function

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Move vcpu_has_ext to the processor.c and rename it to __vcpu_has_ext
so that other test cases can use it for vCPU extension check.

Signed-off-by: Haibo Xu <haibo1.xu@xxxxxxxxx>
Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/kvm/include/riscv/processor.h |  2 ++
 tools/testing/selftests/kvm/lib/riscv/processor.c     | 10 ++++++++++
 tools/testing/selftests/kvm/riscv/get-reg-list.c      | 11 +----------
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h
index b68b1b731a34..bd27e1c67579 100644
--- a/tools/testing/selftests/kvm/include/riscv/processor.h
+++ b/tools/testing/selftests/kvm/include/riscv/processor.h
@@ -42,6 +42,8 @@ static inline uint64_t __kvm_reg_id(uint64_t type, uint64_t idx,
 #define RISCV_ISA_EXT_REG(idx)	__kvm_reg_id(KVM_REG_RISCV_ISA_EXT, \
 					     idx, KVM_REG_SIZE_ULONG)
 
+bool __vcpu_has_ext(struct kvm_vcpu *vcpu, int ext);
+
 struct ex_regs {
 	unsigned long ra;
 	unsigned long sp;
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index 39a1e9902dec..dad73ce18164 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -15,6 +15,16 @@
 
 static vm_vaddr_t exception_handlers;
 
+bool __vcpu_has_ext(struct kvm_vcpu *vcpu, int ext)
+{
+	unsigned long value = 0;
+	int ret;
+
+	ret = __vcpu_get_reg(vcpu, RISCV_ISA_EXT_REG(ext), &value);
+
+	return !ret && !!value;
+}
+
 static uint64_t page_align(struct kvm_vm *vm, uint64_t v)
 {
 	return (v + vm->page_size) & ~(vm->page_size - 1);
diff --git a/tools/testing/selftests/kvm/riscv/get-reg-list.c b/tools/testing/selftests/kvm/riscv/get-reg-list.c
index 25de4b8bc347..ed29ba45588c 100644
--- a/tools/testing/selftests/kvm/riscv/get-reg-list.c
+++ b/tools/testing/selftests/kvm/riscv/get-reg-list.c
@@ -75,15 +75,6 @@ bool check_reject_set(int err)
 	return err == EINVAL;
 }
 
-static inline bool vcpu_has_ext(struct kvm_vcpu *vcpu, int ext)
-{
-	int ret;
-	unsigned long value;
-
-	ret = __vcpu_get_reg(vcpu, RISCV_ISA_EXT_REG(ext), &value);
-	return (ret) ? false : !!value;
-}
-
 void finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_reg_list *c)
 {
 	unsigned long isa_ext_state[KVM_RISCV_ISA_EXT_MAX] = { 0 };
@@ -111,7 +102,7 @@ void finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_reg_list *c)
 		__vcpu_set_reg(vcpu, RISCV_ISA_EXT_REG(s->feature), 1);
 
 		/* Double check whether the desired extension was enabled */
-		__TEST_REQUIRE(vcpu_has_ext(vcpu, s->feature),
+		__TEST_REQUIRE(__vcpu_has_ext(vcpu, s->feature),
 			       "%s not available, skipping tests\n", s->name);
 	}
 }
-- 
2.34.1





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