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migration: mode parameter

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Create a mode migration parameter that can be used to select alternate
migration algorithms.  The default mode is normal, representing the
current migration algorithm, and does not need to be explicitly set.

No functional change until a new mode is added, except that the mode is
shown by the 'info migrate' command.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <1698263069-406971-2-git-send-email-steven.sistare@oracle.com>
This commit is contained in:
Steve Sistare 2023-10-25 12:44:24 -07:00 • committed by Juan Quintela
parent 3e5f3bcdc2
commit eea1e5c9d6
7 changed files with 74 additions and 3 deletions
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4
include/hw/qdev-properties-system.h
View file

@ -7,6 +7,7 @@ extern const PropertyInfo qdev_prop_chr;
extern const PropertyInfo qdev_prop_macaddr;
extern const PropertyInfo qdev_prop_reserved_region;
extern const PropertyInfo qdev_prop_multifd_compression;
extern const PropertyInfo qdev_prop_mig_mode;
extern const PropertyInfo qdev_prop_losttickpolicy;
extern const PropertyInfo qdev_prop_blockdev_on_error;
extern const PropertyInfo qdev_prop_bios_chs_trans;
@ -42,6 +43,9 @@ extern const PropertyInfo qdev_prop_cpus390entitlement;
#define DEFINE_PROP_MULTIFD_COMPRESSION(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_multifd_compression, \
MultiFDCompression)
#define DEFINE_PROP_MIG_MODE(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_mig_mode, \
MigMode)
#define DEFINE_PROP_LOSTTICKPOLICY(_n, _s, _f, _d) \
DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_losttickpolicy, \
LostTickPolicy)