From 44f2e6c10eb2bf5dc3e36372ed574f71e80dba30 Mon Sep 17 00:00:00 2001
From: Bharata B Rao <bharata@linux.vnet.ibm.com>
Date: Wed, 1 Jun 2016 15:21:24 +0530
Subject: [PATCH] kvm: API to obtain max supported mem slots
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>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
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 65569ed438..ad6f837bb4 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 d317dcb33e..fbd2d93188 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;