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authorMaciej S. Szmigiero <maciej.szmigiero@oracle.com>2025-03-04 23:03:43 +0100
committerCédric Le Goater <clg@redhat.com>2025-03-06 06:47:33 +0100
commita1131aa94256d1007b4267ff9e79c3b4ada6e2b9 (patch)
treef45daab2906e533a2cf7787e69cfb9d06d46b7d7 /include/migration/misc.h
parent99fab22350e4eed1d8a238ed97c77b1a5ee77dd4 (diff)
downloadfocaccia-qemu-a1131aa94256d1007b4267ff9e79c3b4ada6e2b9.tar.gz
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migration/multifd: Add multifd_device_state_supported()
Since device state transfer via multifd channels requires multifd
channels with packets and is currently not compatible with multifd
compression add an appropriate query function so device can learn
whether it can actually make use of it.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Link: https://lore.kernel.org/qemu-devel/1ff0d98b85f470e5a33687406e877583b8fab74e.1741124640.git.maciej.szmigiero@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'include/migration/misc.h')
-rw-r--r--include/migration/misc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/migration/misc.h b/include/migration/misc.h
index bd3b725fa0..273ebfca62 100644
--- a/include/migration/misc.h
+++ b/include/migration/misc.h
@@ -121,5 +121,6 @@ bool migrate_uri_parse(const char *uri, MigrationChannel **channel,
 /* migration/multifd-device-state.c */
 bool multifd_queue_device_state(char *idstr, uint32_t instance_id,
                                 char *data, size_t len);
+bool multifd_device_state_supported(void);
 
 #endif