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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2018-03-12 17:21:12 +0000 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-03-20 05:03:29 +0200 |
| commit | 096bf4c8522fc0331fef78e46108244ab09480a0 (patch) | |
| tree | 779b7a95305e128f6084da925a1e6082815d5bfb /migration/postcopy-ram.h | |
| parent | 905125d0e20395188a090c16d38e38694fc43fc4 (diff) | |
| download | qemu-096bf4c8522fc0331fef78e46108244ab09480a0.zip qemu-096bf4c8522fc0331fef78e46108244ab09480a0.tar.gz qemu-096bf4c8522fc0331fef78e46108244ab09480a0.tar.bz2 | |
vhost+postcopy: Helper to send requests to source for shared pages
Provide a helper to be used by shared waker functions to request
shared pages from the source.
The last_rb pointer is moved into the incoming state since this
helper can update it as well as the main fault thread function.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'migration/postcopy-ram.h')
| -rw-r--r-- | migration/postcopy-ram.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/migration/postcopy-ram.h b/migration/postcopy-ram.h index c8ced34..d7afab0 100644 --- a/migration/postcopy-ram.h +++ b/migration/postcopy-ram.h @@ -164,5 +164,8 @@ struct PostCopyFD { */ void postcopy_register_shared_ufd(struct PostCopyFD *pcfd); void postcopy_unregister_shared_ufd(struct PostCopyFD *pcfd); +/* Callback from shared fault handlers to ask for a page */ +int postcopy_request_shared_page(struct PostCopyFD *pcfd, RAMBlock *rb, + uint64_t client_addr, uint64_t offset); #endif |