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From d9e0cb134eefe5104b404b91eaf969a2cd74bd9f Mon Sep 17 00:00:00 2001
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From: "Michael S. Tsirkin" <mst@redhat.com>
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Date: Thu, 3 Apr 2014 19:50:35 +0300
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Subject: [PATCH] vmstate: add VMSTATE_VALIDATE
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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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diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
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index de970ab..5b71370 100644
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--- a/include/migration/vmstate.h
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+++ b/include/migration/vmstate.h
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@@ -204,6 +204,14 @@ 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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