[PATCH v2 10/16] kvm: Add stub for kvm_get_max_memslots()

David Hildenbrand
2023-08-25T13:24:19Z

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 <david@redhat.com>
---
accel/kvm/kvm-all.c | 2 +-
accel/stubs/kvm-stub.c | 5 +++++
include/sysemu/kvm.h | 2 +-
3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 0fcea923a1..fea287ec7a 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 f39997d86e..ca6a1d9698 100644
--- 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 UINT_MAX;
+}
+
unsigned int kvm_get_free_memslots(void)
{
return UINT_MAX;
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 321427a543..cb9a7f131c 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -216,6 +216,7 @@ 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);
@@ -564,7 +565,6 @@ 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);
--
2.41.0