[PATCH 39/40] KVM: Add API for determining the number of supported memory slots

From: Avi Kivity <avi@xxxxxxxxxxxx>
Date: Mon, 31 Mar 2008 17:37:23 +0300

Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
arch/x86/kvm/x86.c | 3 +++
include/linux/kvm.h | 1 +
2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 955d2ee..b7c32f6 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -814,6 +814,9 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_NR_VCPUS:
r = KVM_MAX_VCPUS;
break;
+ case KVM_CAP_NR_MEMSLOTS:
+ r = KVM_MEMORY_SLOTS;
+ break;
default:
r = 0;
break;
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index deb9c38..e92e703 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -235,6 +235,7 @@ struct kvm_vapic_addr {
#define KVM_CAP_EXT_CPUID 7
#define KVM_CAP_CLOCKSOURCE 8
#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */
+#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */

/*
* ioctls for VM fds
--
1.5.4.5

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References:
- [PATCH 00/40] KVM updates for the 2.6.26 merge window (part I)
  - From: Avi Kivity

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