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migration/multifd: Device state transfer support - send side

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A new function multifd_queue_device_state() is provided for device to queue
its state for transmission via a multifd channel.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Link: https://lore.kernel.org/qemu-devel/ebd55768d3e5fecb5eb3f197bad9c0c07e5bc084.1741124640.git.maciej.szmigiero@oracle.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Maciej S. Szmigiero 2025-03-04 23:03:41 +01:00 • committed by Cédric Le Goater
parent 7ecfab1ddd
commit 0525b91a0b
6 changed files with 197 additions and 16 deletions
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4
include/migration/misc.h
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@ -118,4 +118,8 @@ bool migrate_is_uri(const char *uri);
bool migrate_uri_parse(const char *uri, MigrationChannel **channel,
Error **errp);
/* migration/multifd-device-state.c */
bool multifd_queue_device_state(char *idstr, uint32_t instance_id,
char *data, size_t len);
#endif