diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 314d971c1f06..4f18f03c537f 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -105,8 +105,6 @@ int open_kvm_dev_path_or_exit(void);
 int kvm_check_cap(long cap);
 int vm_check_cap(struct kvm_vm *vm, long cap);
 int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap);
-int vcpu_enable_cap(struct kvm_vm *vm, uint32_t vcpu_id,
-		    struct kvm_enable_cap *cap);
 void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size);
 const char *vm_guest_mode_string(uint32_t i);
 
@@ -212,13 +210,112 @@ void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
 int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
 int vcpu_get_fd(struct kvm_vm *vm, uint32_t vcpuid);
 void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid);
-void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid,
-			  struct kvm_guest_debug *debug);
-void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid,
-		       struct kvm_mp_state *mp_state);
 struct kvm_reg_list *vcpu_get_reg_list(struct kvm_vm *vm, uint32_t vcpuid);
-void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs);
-void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs);
+
+static inline void vcpu_enable_cap(struct kvm_vm *vm, uint32_t vcpu_id,
+				   struct kvm_enable_cap *cap)
+{
+	vcpu_ioctl(vm, vcpu_id, KVM_ENABLE_CAP, cap);
+}
+
+static inline void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid,
+					struct kvm_guest_debug *debug)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_GUEST_DEBUG, debug);
+}
+
+static inline void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid,
+				     struct kvm_mp_state *mp_state)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_MP_STATE, mp_state);
+}
+
+static inline void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid,
+				 struct kvm_regs *regs)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_REGS, regs);
+}
+
+static inline void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid,
+				 struct kvm_regs *regs)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_REGS, regs);
+}
+static inline void vcpu_sregs_get(struct kvm_vm *vm, uint32_t vcpuid,
+				  struct kvm_sregs *sregs)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_SREGS, sregs);
+
+}
+static inline void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
+				  struct kvm_sregs *sregs)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_SREGS, sregs);
+}
+static inline int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
+				  struct kvm_sregs *sregs)
+{
+	return __vcpu_ioctl(vm, vcpuid, KVM_SET_SREGS, sregs);
+}
+static inline void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid,
+				struct kvm_fpu *fpu)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_FPU, fpu);
+}
+static inline void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid,
+				struct kvm_fpu *fpu)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_FPU, fpu);
+}
+static inline void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid,
+				struct kvm_one_reg *reg)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, reg);
+}
+static inline void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid,
+				struct kvm_one_reg *reg)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, reg);
+}
+#ifdef __KVM_HAVE_VCPU_EVENTS
+static inline void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
+				   struct kvm_vcpu_events *events)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_VCPU_EVENTS, events);
+}
+static inline void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
+				   struct kvm_vcpu_events *events)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_VCPU_EVENTS, events);
+}
+#endif
+#ifdef __x86_64__
+static inline void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid,
+					 struct kvm_nested_state *state)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_GET_NESTED_STATE, state);
+}
+static inline int __vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
+					  struct kvm_nested_state *state)
+{
+	return __vcpu_ioctl(vm, vcpuid, KVM_SET_NESTED_STATE, state);
+}
+
+static inline void vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
+					 struct kvm_nested_state *state)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_NESTED_STATE, state);
+}
+#endif
+static inline int vcpu_get_stats_fd(struct kvm_vm *vm, uint32_t vcpuid)
+{
+	int fd = __vcpu_ioctl(vm, vcpuid, KVM_GET_STATS_FD, NULL);
+
+	TEST_ASSERT(fd >= 0, KVM_IOCTL_ERROR(KVM_GET_STATS_FD, fd));
+	return fd;
+}
+
+void *vcpu_map_dirty_ring(struct kvm_vm *vm, uint32_t vcpuid);
 
 /*
  * VM VCPU Args Set
@@ -240,34 +337,6 @@ void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs);
  */
 void vcpu_args_set(struct kvm_vm *vm, uint32_t vcpuid, unsigned int num, ...);
 
-void vcpu_sregs_get(struct kvm_vm *vm, uint32_t vcpuid,
-		    struct kvm_sregs *sregs);
-void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
-		    struct kvm_sregs *sregs);
-int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid,
-		    struct kvm_sregs *sregs);
-void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid,
-		  struct kvm_fpu *fpu);
-void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid,
-		  struct kvm_fpu *fpu);
-void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg);
-void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg);
-#ifdef __KVM_HAVE_VCPU_EVENTS
-void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_vcpu_events *events);
-void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_vcpu_events *events);
-#endif
-#ifdef __x86_64__
-void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid,
-			   struct kvm_nested_state *state);
-int __vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
-			    struct kvm_nested_state *state);
-void vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
-			   struct kvm_nested_state *state);
-#endif
-void *vcpu_map_dirty_ring(struct kvm_vm *vm, uint32_t vcpuid);
-
 int _kvm_device_check_attr(int dev_fd, uint32_t group, uint64_t attr);
 int kvm_device_check_attr(int dev_fd, uint32_t group, uint64_t attr);
 int _kvm_create_device(struct kvm_vm *vm, uint64_t type, bool test, int *fd);
@@ -406,7 +475,6 @@ kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
 void assert_on_unhandled_exception(struct kvm_vm *vm, uint32_t vcpuid);
 
 int vm_get_stats_fd(struct kvm_vm *vm);
-int vcpu_get_stats_fd(struct kvm_vm *vm, uint32_t vcpuid);
 
 uint32_t guest_get_vcpuid(void);
 
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index d0d51adec76e..cf6c9738302f 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -413,12 +413,19 @@ void kvm_x86_state_cleanup(struct kvm_x86_state *state);
 struct kvm_msr_list *kvm_get_msr_index_list(void);
 uint64_t kvm_get_feature_msr(uint64_t msr_index);
 struct kvm_cpuid2 *kvm_get_supported_cpuid(void);
-
 struct kvm_cpuid2 *vcpu_get_cpuid(struct kvm_vm *vm, uint32_t vcpuid);
-int __vcpu_set_cpuid(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_cpuid2 *cpuid);
-void vcpu_set_cpuid(struct kvm_vm *vm, uint32_t vcpuid,
-		    struct kvm_cpuid2 *cpuid);
+
+static inline int __vcpu_set_cpuid(struct kvm_vm *vm, uint32_t vcpuid,
+				   struct kvm_cpuid2 *cpuid)
+{
+	return __vcpu_ioctl(vm, vcpuid, KVM_SET_CPUID2, cpuid);
+}
+
+static inline void vcpu_set_cpuid(struct kvm_vm *vm, uint32_t vcpuid,
+				  struct kvm_cpuid2 *cpuid)
+{
+	vcpu_ioctl(vm, vcpuid, KVM_SET_CPUID2, cpuid);
+}
 
 struct kvm_cpuid_entry2 *
 kvm_get_supported_cpuid_index(uint32_t function, uint32_t index);
@@ -432,8 +439,15 @@ kvm_get_supported_cpuid_entry(uint32_t function)
 uint64_t vcpu_get_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index);
 int _vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
 		  uint64_t msr_value);
-void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
-	  	  uint64_t msr_value);
+
+static inline void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid,
+				uint64_t msr_index, uint64_t msr_value)
+{
+	int r = _vcpu_set_msr(vm, vcpuid, msr_index, msr_value);
+
+	TEST_ASSERT(r == 1, KVM_IOCTL_ERROR(KVM_SET_MSRS, r));
+}
+
 
 uint32_t kvm_get_cpuid_max_basic(void);
 uint32_t kvm_get_cpuid_max_extended(void);
diff --git a/tools/testing/selftests/kvm/kvm_binary_stats_test.c b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
index 4b149b383678..bab8b49b52da 100644
--- a/tools/testing/selftests/kvm/kvm_binary_stats_test.c
+++ b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
@@ -178,11 +178,7 @@ static void vm_stats_test(struct kvm_vm *vm)
 
 static void vcpu_stats_test(struct kvm_vm *vm, int vcpu_id)
 {
-	int stats_fd;
-
-	/* Get fd for VCPU stats */
-	stats_fd = vcpu_get_stats_fd(vm, vcpu_id);
-	TEST_ASSERT(stats_fd >= 0, "Get VCPU stats fd");
+	int stats_fd = vcpu_get_stats_fd(vm, vcpu_id);
 
 	stats_test(stats_fd);
 	close(stats_fd);
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 7b339f98070b..7ac4516d764c 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -135,34 +135,6 @@ int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap)
 	return ret;
 }
 
-/* VCPU Enable Capability
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpu_id - VCPU
- *   cap - Capability
- *
- * Output Args: None
- *
- * Return: On success, 0. On failure a TEST_ASSERT failure is produced.
- *
- * Enables a capability (KVM_CAP_*) on the VCPU.
- */
-int vcpu_enable_cap(struct kvm_vm *vm, uint32_t vcpu_id,
-		    struct kvm_enable_cap *cap)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpu_id);
-	int r;
-
-	TEST_ASSERT(vcpu, "cannot find vcpu %d", vcpu_id);
-
-	r = ioctl(vcpu->fd, KVM_ENABLE_CAP, cap);
-	TEST_ASSERT(!r, "KVM_ENABLE_CAP vCPU ioctl failed,\n"
-			"  rc: %i, errno: %i", r, errno);
-
-	return r;
-}
-
 void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size)
 {
 	struct kvm_enable_cap cap = { 0 };
@@ -1619,8 +1591,8 @@ struct kvm_run *vcpu_state(struct kvm_vm *vm, uint32_t vcpuid)
 void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid)
 {
 	int ret = _vcpu_run(vm, vcpuid);
-	TEST_ASSERT(ret == 0, "KVM_RUN IOCTL failed, "
-		"rc: %i errno: %i", ret, errno);
+
+	TEST_ASSERT(!ret, KVM_IOCTL_ERROR(KVM_RUN, ret));
 }
 
 int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid)
@@ -1663,43 +1635,6 @@ void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid)
 		    ret, errno);
 }
 
-void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid,
-			  struct kvm_guest_debug *debug)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret = ioctl(vcpu->fd, KVM_SET_GUEST_DEBUG, debug);
-
-	TEST_ASSERT(ret == 0, "KVM_SET_GUEST_DEBUG failed: %d", ret);
-}
-
-/*
- * VM VCPU Set MP State
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   mp_state - mp_state to be set
- *
- * Output Args: None
- *
- * Return: None
- *
- * Sets the MP state of the VCPU given by vcpuid, to the state given
- * by mp_state.
- */
-void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid,
-		       struct kvm_mp_state *mp_state)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_SET_MP_STATE, mp_state);
-	TEST_ASSERT(ret == 0, "KVM_SET_MP_STATE IOCTL failed, "
-		"rc: %i errno: %i", ret, errno);
-}
-
 /*
  * VM VCPU Get Reg List
  *
@@ -1729,216 +1664,6 @@ struct kvm_reg_list *vcpu_get_reg_list(struct kvm_vm *vm, uint32_t vcpuid)
 	return reg_list;
 }
 
-/*
- * VM VCPU Regs Get
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *
- * Output Args:
- *   regs - current state of VCPU regs
- *
- * Return: None
- *
- * Obtains the current register state for the VCPU specified by vcpuid
- * and stores it at the location given by regs.
- */
-void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_GET_REGS, regs);
-	TEST_ASSERT(ret == 0, "KVM_GET_REGS failed, rc: %i errno: %i",
-		ret, errno);
-}
-
-/*
- * VM VCPU Regs Set
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   regs - Values to set VCPU regs to
- *
- * Output Args: None
- *
- * Return: None
- *
- * Sets the regs of the VCPU specified by vcpuid to the values
- * given by regs.
- */
-void vcpu_regs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_SET_REGS, regs);
-	TEST_ASSERT(ret == 0, "KVM_SET_REGS failed, rc: %i errno: %i",
-		ret, errno);
-}
-
-#ifdef __KVM_HAVE_VCPU_EVENTS
-void vcpu_events_get(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_vcpu_events *events)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_GET_VCPU_EVENTS, events);
-	TEST_ASSERT(ret == 0, "KVM_GET_VCPU_EVENTS, failed, rc: %i errno: %i",
-		ret, errno);
-}
-
-void vcpu_events_set(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_vcpu_events *events)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_SET_VCPU_EVENTS, events);
-	TEST_ASSERT(ret == 0, "KVM_SET_VCPU_EVENTS, failed, rc: %i errno: %i",
-		ret, errno);
-}
-#endif
-
-#ifdef __x86_64__
-void vcpu_nested_state_get(struct kvm_vm *vm, uint32_t vcpuid,
-			   struct kvm_nested_state *state)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_GET_NESTED_STATE, state);
-	TEST_ASSERT(ret == 0,
-		"KVM_SET_NESTED_STATE failed, ret: %i errno: %i",
-		ret, errno);
-}
-
-int __vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
-			    struct kvm_nested_state *state)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	return ioctl(vcpu->fd, KVM_SET_NESTED_STATE, state);
-}
-
-void vcpu_nested_state_set(struct kvm_vm *vm, uint32_t vcpuid,
-			   struct kvm_nested_state *state)
-{
-	int ret = __vcpu_nested_state_set(vm, vcpuid, state);
-
-	TEST_ASSERT(!ret, "KVM_SET_NESTED_STATE failed, ret: %i errno: %i", ret, errno);
-}
-#endif
-
-/*
- * VM VCPU System Regs Get
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *
- * Output Args:
- *   sregs - current state of VCPU system regs
- *
- * Return: None
- *
- * Obtains the current system register state for the VCPU specified by
- * vcpuid and stores it at the location given by sregs.
- */
-void vcpu_sregs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-	int ret;
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	ret = ioctl(vcpu->fd, KVM_GET_SREGS, sregs);
-	TEST_ASSERT(ret == 0, "KVM_GET_SREGS failed, rc: %i errno: %i",
-		ret, errno);
-}
-
-/*
- * VM VCPU System Regs Set
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   sregs - Values to set VCPU system regs to
- *
- * Output Args: None
- *
- * Return: None
- *
- * Sets the system regs of the VCPU specified by vcpuid to the values
- * given by sregs.
- */
-void vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
-{
-	int ret = _vcpu_sregs_set(vm, vcpuid, sregs);
-	TEST_ASSERT(ret == 0, "KVM_SET_SREGS IOCTL failed, "
-		"rc: %i errno: %i", ret, errno);
-}
-
-int _vcpu_sregs_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_sregs *sregs)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	return ioctl(vcpu->fd, KVM_SET_SREGS, sregs);
-}
-
-void vcpu_fpu_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu)
-{
-	int ret;
-
-	ret = __vcpu_ioctl(vm, vcpuid, KVM_GET_FPU, fpu);
-	TEST_ASSERT(ret == 0, "KVM_GET_FPU failed, rc: %i errno: %i (%s)",
-		    ret, errno, strerror(errno));
-}
-
-void vcpu_fpu_set(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_fpu *fpu)
-{
-	int ret;
-
-	ret = __vcpu_ioctl(vm, vcpuid, KVM_SET_FPU, fpu);
-	TEST_ASSERT(ret == 0, "KVM_SET_FPU failed, rc: %i errno: %i (%s)",
-		    ret, errno, strerror(errno));
-}
-
-void vcpu_get_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg)
-{
-	int ret;
-
-	ret = __vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, reg);
-	TEST_ASSERT(ret == 0, "KVM_GET_ONE_REG failed, rc: %i errno: %i (%s)",
-		    ret, errno, strerror(errno));
-}
-
-void vcpu_set_reg(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_one_reg *reg)
-{
-	int ret;
-
-	ret = __vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, reg);
-	TEST_ASSERT(ret == 0, "KVM_SET_ONE_REG failed, rc: %i errno: %i (%s)",
-		    ret, errno, strerror(errno));
-}
-
 int __vcpu_ioctl(struct kvm_vm *vm, uint32_t vcpuid,
 		 unsigned long cmd, void *arg)
 {
@@ -2534,10 +2259,3 @@ int vm_get_stats_fd(struct kvm_vm *vm)
 {
 	return ioctl(vm->fd, KVM_GET_STATS_FD, NULL);
 }
-
-int vcpu_get_stats_fd(struct kvm_vm *vm, uint32_t vcpuid)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-
-	return ioctl(vcpu->fd, KVM_GET_STATS_FD, NULL);
-}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 33ea5e9955d9..27c40b5ab01d 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -803,18 +803,15 @@ uint64_t kvm_get_feature_msr(uint64_t msr_index)
  */
 struct kvm_cpuid2 *vcpu_get_cpuid(struct kvm_vm *vm, uint32_t vcpuid)
 {
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
 	struct kvm_cpuid2 *cpuid;
 	int max_ent;
 	int rc = -1;
 
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
 	cpuid = allocate_kvm_cpuid2();
 	max_ent = cpuid->nent;
 
 	for (cpuid->nent = 1; cpuid->nent <= max_ent; cpuid->nent++) {
-		rc = ioctl(vcpu->fd, KVM_GET_CPUID2, cpuid);
+		rc = __vcpu_ioctl(vm, vcpuid, KVM_GET_CPUID2, cpuid);
 		if (!rc)
 			break;
 
@@ -823,9 +820,7 @@ struct kvm_cpuid2 *vcpu_get_cpuid(struct kvm_vm *vm, uint32_t vcpuid)
 			    rc, errno);
 	}
 
-	TEST_ASSERT(rc == 0, "KVM_GET_CPUID2 failed, rc: %i errno: %i",
-		    rc, errno);
-
+	TEST_ASSERT(!rc, KVM_IOCTL_ERROR(KVM_GET_CPUID2, rc));
 	return cpuid;
 }
 
@@ -863,132 +858,37 @@ kvm_get_supported_cpuid_index(uint32_t function, uint32_t index)
 	return entry;
 }
 
-
-int __vcpu_set_cpuid(struct kvm_vm *vm, uint32_t vcpuid,
-		     struct kvm_cpuid2 *cpuid)
-{
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
-
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
-
-	return ioctl(vcpu->fd, KVM_SET_CPUID2, cpuid);
-}
-
-/*
- * VM VCPU CPUID Set
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU id
- *   cpuid - The CPUID values to set.
- *
- * Output Args: None
- *
- * Return: void
- *
- * Set the VCPU's CPUID.
- */
-void vcpu_set_cpuid(struct kvm_vm *vm,
-		uint32_t vcpuid, struct kvm_cpuid2 *cpuid)
-{
-	int rc;
-
-	rc = __vcpu_set_cpuid(vm, vcpuid, cpuid);
-	TEST_ASSERT(rc == 0, "KVM_SET_CPUID2 failed, rc: %i errno: %i",
-		    rc, errno);
-
-}
-
-/*
- * VCPU Get MSR
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   msr_index - Index of MSR
- *
- * Output Args: None
- *
- * Return: On success, value of the MSR. On failure a TEST_ASSERT is produced.
- *
- * Get value of MSR for VCPU.
- */
 uint64_t vcpu_get_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index)
 {
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
 	struct {
 		struct kvm_msrs header;
 		struct kvm_msr_entry entry;
 	} buffer = {};
 	int r;
 
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
 	buffer.header.nmsrs = 1;
 	buffer.entry.index = msr_index;
-	r = ioctl(vcpu->fd, KVM_GET_MSRS, &buffer.header);
-	TEST_ASSERT(r == 1, "KVM_GET_MSRS IOCTL failed,\n"
-		"  rc: %i errno: %i", r, errno);
+
+	r = __vcpu_ioctl(vm, vcpuid, KVM_GET_MSRS, &buffer.header);
+	TEST_ASSERT(r == 1, KVM_IOCTL_ERROR(KVM_GET_MSRS, r));
 
 	return buffer.entry.data;
 }
 
-/*
- * _VCPU Set MSR
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   msr_index - Index of MSR
- *   msr_value - New value of MSR
- *
- * Output Args: None
- *
- * Return: The result of KVM_SET_MSRS.
- *
- * Sets the value of an MSR for the given VCPU.
- */
 int _vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
 		  uint64_t msr_value)
 {
-	struct vcpu *vcpu = vcpu_find(vm, vcpuid);
 	struct {
 		struct kvm_msrs header;
 		struct kvm_msr_entry entry;
 	} buffer = {};
-	int r;
 
-	TEST_ASSERT(vcpu != NULL, "vcpu not found, vcpuid: %u", vcpuid);
 	memset(&buffer, 0, sizeof(buffer));
 	buffer.header.nmsrs = 1;
 	buffer.entry.index = msr_index;
 	buffer.entry.data = msr_value;
-	r = ioctl(vcpu->fd, KVM_SET_MSRS, &buffer.header);
-	return r;
-}
 
-/*
- * VCPU Set MSR
- *
- * Input Args:
- *   vm - Virtual Machine
- *   vcpuid - VCPU ID
- *   msr_index - Index of MSR
- *   msr_value - New value of MSR
- *
- * Output Args: None
- *
- * Return: On success, nothing. On failure a TEST_ASSERT is produced.
- *
- * Set value of MSR for VCPU.
- */
-void vcpu_set_msr(struct kvm_vm *vm, uint32_t vcpuid, uint64_t msr_index,
-	uint64_t msr_value)
-{
-	int r;
-
-	r = _vcpu_set_msr(vm, vcpuid, msr_index, msr_value);
-	TEST_ASSERT(r == 1, "KVM_SET_MSRS IOCTL failed,\n"
-		"  rc: %i errno: %i", r, errno);
+	return __vcpu_ioctl(vm, vcpuid, KVM_SET_MSRS, &buffer.header);
 }
 
 void vcpu_args_set(struct kvm_vm *vm, uint32_t vcpuid, unsigned int num, ...)
