kvm: Add stub for kvm_get_max_memslots()

We'll need the stub soon from memory device context.

While at it, use "unsigned int" as return value and place the
declaration next to kvm_get_free_memslots().

Message-ID: <20230926185738.277351-11-david@redhat.com>
Reviewed-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 5937e46e1215b9380e0dae2d91b5f1bad7b858be..3f7eafe08cbef9afcf990bfb1ffae9ed2a57633a 100644 (file)
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -174,7 +174,7 @@ void kvm_resample_fd_notify(int gsi)
     }
 }
 
-int kvm_get_max_memslots(void)
+unsigned int kvm_get_max_memslots(void)
 {
     KVMState *s = KVM_STATE(current_accel());
 

diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c
index a5d4442d8f60d780847ba426a9c1c8b91f327945..51f522e52e8e6ef170ee3e321ef372f79410cf15 100644 (file)
--- a/accel/stubs/kvm-stub.c
+++ b/accel/stubs/kvm-stub.c
@@ -109,6 +109,11 @@ int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
     return -ENOSYS;
 }
 
+unsigned int kvm_get_max_memslots(void)
+{
+    return 0;
+}
+
 unsigned int kvm_get_free_memslots(void)
 {
     return 0;

diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index c3d831baef44af95687dfa83f326d5389dca5c99..97a8a4f201cce26f501353e7f22ad69e39ee7dba 100644 (file)
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -215,6 +215,7 @@ typedef struct KVMRouteChange {
 
 /* external API */
 
+unsigned int kvm_get_max_memslots(void);
 unsigned int kvm_get_free_memslots(void);
 bool kvm_has_sync_mmu(void);
 int kvm_has_vcpu_events(void);
@@ -552,7 +553,6 @@ int kvm_set_one_reg(CPUState *cs, uint64_t id, void *source);
  */
 int kvm_get_one_reg(CPUState *cs, uint64_t id, void *target);
 struct ppc_radix_page_info *kvm_get_radix_page_info(void);
-int kvm_get_max_memslots(void);
 
 /* Notify resamplefd for EOI of specific interrupts. */
 void kvm_resample_fd_notify(int gsi);