commit 62d9f0dbc92d7e398fde53fc6021338393522e68
author Marcelo Tosatti <mtosatti@redhat.com> Fri Apr 11 13:24:45 2008 -0300
committer Avi Kivity <avi@qumranet.com> Sun Apr 27 18:21:16 2008 +0300
tree 028e62807ead3db11f15694323743b90c8211ef8
parent a45352908b88d383bc40e1e4d1a6cc5bbcefc895

KVM: add ioctls to save/store mpstate

So userspace can save/restore the mpstate during migration.

[avi: export the #define constants describing the value]
[christian: add s390 stubs]
[avi: ditto for ia64]

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

include/linux/kvm.h

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index d302d63..f8e211d 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -228,6 +228,18 @@
 	__u64 vapic_addr;
 };
 
+/* for KVM_SET_MPSTATE */
+
+#define KVM_MP_STATE_RUNNABLE          0
+#define KVM_MP_STATE_UNINITIALIZED     1
+#define KVM_MP_STATE_INIT_RECEIVED     2
+#define KVM_MP_STATE_HALTED            3
+#define KVM_MP_STATE_SIPI_RECEIVED     4
+
+struct kvm_mp_state {
+	__u32 mp_state;
+};
+
 struct kvm_s390_psw {
 	__u64 mask;
 	__u64 addr;
@@ -326,6 +338,7 @@
 #define KVM_CAP_PIT 11
 #define KVM_CAP_NOP_IO_DELAY 12
 #define KVM_CAP_PV_MMU 13
+#define KVM_CAP_MP_STATE 14
 
 /*
  * ioctls for VM fds
@@ -387,5 +400,7 @@
 #define KVM_S390_SET_INITIAL_PSW  _IOW(KVMIO,  0x96, struct kvm_s390_psw)
 /* initial reset for s390 */
 #define KVM_S390_INITIAL_RESET    _IO(KVMIO,  0x97)
+#define KVM_GET_MP_STATE          _IOR(KVMIO,  0x98, struct kvm_mp_state)
+#define KVM_SET_MP_STATE          _IOW(KVMIO,  0x99, struct kvm_mp_state)
 
 #endif