[v1,02/15] kvm: Add stub for kvm_get_max_memslots()

Commit Message

David Hildenbrand June 16, 2023, 9:26 a.m. UTC

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().

Signed-off-by: David Hildenbrand <[e-mail]>
---
 accel/kvm/kvm-all.c    | 2 +-
 accel/stubs/kvm-stub.c | 5 +++++
 include/sysemu/kvm.h   | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

Patch

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 7679f397ae..94d672010e 100644
--- 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 5d2dd8f351..506bc8c9e4 100644
--- a/accel/stubs/kvm-stub.c
+++ b/accel/stubs/kvm-stub.c
@@ -108,6 +108,11 @@  int kvm_irqchip_remove_irqfd_notifier_gsi(KVMState *s, EventNotifier *n,
     return -ENOSYS;
 }
 
+unsigned int kvm_get_max_memslots(void)
+{
+    return UINT_MAX;
+}
+
 bool kvm_has_free_slot(MachineState *ms)
 {
     return false;
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 88f5ccfbce..7a999eff52 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -213,6 +213,7 @@  typedef struct KVMRouteChange {
 
 /* external API */
 
+unsigned int kvm_get_max_memslots(void);
 bool kvm_has_free_slot(MachineState *ms);
 bool kvm_has_sync_mmu(void);
 int kvm_has_vcpu_events(void);
@@ -559,7 +560,6 @@  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);