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From 9d268999694b9743808fb9454a4f1ab7a941b8a6 Mon Sep 17 00:00:00 2001
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From: Michael S. Tsirkin <mst@redhat.com>
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Date: Wed, 14 May 2014 08:52:51 +0200
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Subject: [PATCH 22/31] vmstate: add VMSTATE_VALIDATE
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RH-Author: Michael S. Tsirkin <mst@redhat.com>
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Message-id: <1400057538-6975-4-git-send-email-mst@redhat.com>
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Patchwork-id: 58870
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O-Subject: [PATCH qemu-kvm RHEL7.1 3/5] vmstate: add VMSTATE_VALIDATE
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Bugzilla: 1095716
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RH-Acked-by: Dr. David Alan Gilbert (git) <dgilbert@redhat.com>
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RH-Acked-by: Marcel Apfelbaum <marcel.a@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Juan Quintela <quintela@redhat.com>
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Validate state using VMS_ARRAY with num = 0 and VMS_MUST_EXIST
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Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
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(cherry picked from commit 4082f0889ba04678fc14816c53e1b9251ea9207e)
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---
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 include/migration/vmstate.h | 8 ++++++++
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 1 file changed, 8 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 include/migration/vmstate.h |    8 ++++++++
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 1 files changed, 8 insertions(+), 0 deletions(-)
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diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
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index 95d1ce6..f2652e6 100644
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--- a/include/migration/vmstate.h
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+++ b/include/migration/vmstate.h
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@@ -202,6 +202,14 @@ extern const VMStateInfo vmstate_info_bitmap;
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     .offset       = vmstate_offset_value(_state, _field, _type),     \
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 }
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+/* Validate state using a boolean predicate. */
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+#define VMSTATE_VALIDATE(_name, _test) { \
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+    .name         = (_name),                                         \
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+    .field_exists = (_test),                                         \
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+    .flags        = VMS_ARRAY | VMS_MUST_EXIST,                      \
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+    .num          = 0, /* 0 elements: no data, only run _test */     \
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+}
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+
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 #define VMSTATE_POINTER(_field, _state, _version, _info, _type) {    \
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     .name       = (stringify(_field)),                               \
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     .version_id = (_version),                                        \
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-- 
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1.7.1
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