diff --git a/target/arm/kvm_arm.h b/target/arm/kvm_arm.h
index 8e14d400e8..b48a9c9557 100644
--- a/target/arm/kvm_arm.h
+++ b/target/arm/kvm_arm.h
@@ -28,9 +28,9 @@
 int kvm_arm_vcpu_init(CPUState *cs);
 
 /**
- * kvm_arm_vcpu_finalize
+ * kvm_arm_vcpu_finalize:
  * @cs: CPUState
- * @feature: int
+ * @feature: feature to finalize
  *
  * Finalizes the configuration of the specified VCPU feature by
  * invoking the KVM_ARM_VCPU_FINALIZE ioctl. Features requiring
@@ -75,8 +75,8 @@ void kvm_arm_register_device(MemoryRegion *mr, uint64_t devid, uint64_t group,
 int kvm_arm_init_cpreg_list(ARMCPU *cpu);
 
 /**
- * kvm_arm_reg_syncs_via_cpreg_list
- * regidx: KVM register index
+ * kvm_arm_reg_syncs_via_cpreg_list:
+ * @regidx: KVM register index
  *
  * Return true if this KVM register should be synchronized via the
  * cpreg list of arbitrary system registers, false if it is synchronized
@@ -85,8 +85,8 @@ int kvm_arm_init_cpreg_list(ARMCPU *cpu);
 bool kvm_arm_reg_syncs_via_cpreg_list(uint64_t regidx);
 
 /**
- * kvm_arm_cpreg_level
- * regidx: KVM register index
+ * kvm_arm_cpreg_level:
+ * @regidx: KVM register index
  *
  * Return the level of this coprocessor/system register.  Return value is
  * either KVM_PUT_RUNTIME_STATE, KVM_PUT_RESET_STATE, or KVM_PUT_FULL_STATE.
@@ -148,6 +148,8 @@ void kvm_arm_init_serror_injection(CPUState *cs);
  * @cpu: ARMCPU
  *
  * Get VCPU related state from kvm.
+ *
+ * Returns: 0 if success else < 0 error code
  */
 int kvm_get_vcpu_events(ARMCPU *cpu);
 
@@ -156,6 +158,8 @@ int kvm_get_vcpu_events(ARMCPU *cpu);
  * @cpu: ARMCPU
  *
  * Put VCPU related state to kvm.
+ *
+ * Returns: 0 if success else < 0 error code
  */
 int kvm_put_vcpu_events(ARMCPU *cpu);
 
@@ -205,10 +209,12 @@ typedef struct ARMHostCPUFeatures {
 
 /**
  * kvm_arm_get_host_cpu_features:
- * @ahcc: ARMHostCPUClass to fill in
+ * @ahcf: ARMHostCPUClass to fill in
  *
  * Probe the capabilities of the host kernel's preferred CPU and fill
  * in the ARMHostCPUClass struct accordingly.
+ *
+ * Returns true on success and false otherwise.
  */
 bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf);
 
@@ -242,7 +248,7 @@ void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu);
 bool kvm_arm_aarch32_supported(CPUState *cs);
 
 /**
- * bool kvm_arm_pmu_supported:
+ * kvm_arm_pmu_supported:
  * @cs: CPUState
  *
  * Returns: true if the KVM VCPU can enable its PMU
@@ -251,7 +257,7 @@ bool kvm_arm_aarch32_supported(CPUState *cs);
 bool kvm_arm_pmu_supported(CPUState *cs);
 
 /**
- * bool kvm_arm_sve_supported:
+ * kvm_arm_sve_supported:
  * @cs: CPUState
  *
  * Returns true if the KVM VCPU can enable SVE and false otherwise.
@@ -259,26 +265,30 @@ bool kvm_arm_pmu_supported(CPUState *cs);
 bool kvm_arm_sve_supported(CPUState *cs);
 
 /**
- * kvm_arm_get_max_vm_ipa_size - Returns the number of bits in the
- * IPA address space supported by KVM
- *
+ * kvm_arm_get_max_vm_ipa_size:
  * @ms: Machine state handle
+ *
+ * Returns the number of bits in the IPA address space supported by KVM
  */
 int kvm_arm_get_max_vm_ipa_size(MachineState *ms);
 
 /**
- * kvm_arm_sync_mpstate_to_kvm
+ * kvm_arm_sync_mpstate_to_kvm:
  * @cpu: ARMCPU
  *
  * If supported set the KVM MP_STATE based on QEMU's model.
+ *
+ * Returns 0 on success and -1 on failure.
  */
 int kvm_arm_sync_mpstate_to_kvm(ARMCPU *cpu);
 
 /**
- * kvm_arm_sync_mpstate_to_qemu
+ * kvm_arm_sync_mpstate_to_qemu:
  * @cpu: ARMCPU
  *
  * If supported get the MP_STATE from KVM and store in QEMU's model.
+ *
+ * Returns 0 on success and aborts on failure.
  */
 int kvm_arm_sync_mpstate_to_qemu(ARMCPU *cpu);
 
@@ -292,7 +302,8 @@ int kvm_arm_set_irq(int cpu, int irqtype, int irq, int level);
 
 static inline void kvm_arm_set_cpu_features_from_host(ARMCPU *cpu)
 {
-    /* This should never actually be called in the "not KVM" case,
+    /*
+     * This should never actually be called in the "not KVM" case,
      * but set up the fields to indicate an error anyway.
      */
     cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE;
@@ -377,23 +388,20 @@ bool kvm_arm_handle_debug(CPUState *cs, struct kvm_debug_exit_arch *debug_exit);
  *
  * Return: TRUE if any hardware breakpoints in use.
  */
-
 bool kvm_arm_hw_debug_active(CPUState *cs);
 
 /**
  * kvm_arm_copy_hw_debug_data:
- *
  * @ptr: kvm_guest_debug_arch structure
  *
  * Copy the architecture specific debug registers into the
  * kvm_guest_debug ioctl structure.
  */
 struct kvm_guest_debug_arch;
-
 void kvm_arm_copy_hw_debug_data(struct kvm_guest_debug_arch *ptr);
 
 /**
- * its_class_name
+ * its_class_name:
  *
  * Return the ITS class name to use depending on whether KVM acceleration
  * and KVM CAP_SIGNAL_MSI are supported