Re: [Qemu-devel] [RFC PATCH v0 1/2] kvm: API to obtain max supported mem slots

[Paolo Bonzini <pbonzini@redhat.com>]

On 01/06/2016 11:51, Bharata B Rao wrote:
> Introduce kvm_get_max_memslots() API that can be used to obtain the
> maximum number of memslots supported by KVM.
> 
> Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
> ---
>  include/sysemu/kvm.h | 1 +
>  kvm-all.c            | 7 +++++++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
> index 65569ed..ad6f837 100644
> --- a/include/sysemu/kvm.h
> +++ b/include/sysemu/kvm.h
> @@ -527,4 +527,5 @@ int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
>   * Returns: 0 on success, or a negative errno on failure.
>   */
>  int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
> +int kvm_get_max_memslots(void);
>  #endif
> diff --git a/kvm-all.c b/kvm-all.c
> index d317dcb..fbd2d93 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -126,6 +126,13 @@ static const KVMCapabilityInfo kvm_required_capabilites[] = {
>      KVM_CAP_LAST_INFO
>  };
>  
> +int kvm_get_max_memslots(void)
> +{
> +    KVMState *s = KVM_STATE(current_machine->accelerator);
> +
> +    return s->nr_slots;
> +}
> +
>  static KVMSlot *kvm_get_free_slot(KVMMemoryListener *kml)
>  {
>      KVMState *s = kvm_state;
> 

Acked-by: Paolo Bonzini <pbonzini@redhat.com>