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authorFabiano Rosas <farosas@suse.de>2024-02-29 12:30:00 -0300
committerPeter Xu <peterx@redhat.com>2024-03-01 15:42:04 +0800
commit7f5b50a40181bd75c1f74aeaa7fe94fe10680720 (patch)
tree2c786f532a3c0a63c668465795dce28fa331c5cb /migration/qemu-file.h
parentc05dfcb7f2c5e39fc47c347de305df4e6afb4fa9 (diff)
downloadfocaccia-qemu-7f5b50a40181bd75c1f74aeaa7fe94fe10680720.tar.gz
focaccia-qemu-7f5b50a40181bd75c1f74aeaa7fe94fe10680720.zip
migration/qemu-file: add utility methods for working with seekable channels
Add utility methods that will be needed when implementing 'mapped-ram'
migration capability.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/r/20240229153017.2221-7-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'migration/qemu-file.h')
-rw-r--r--migration/qemu-file.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/migration/qemu-file.h b/migration/qemu-file.h
index 8aec9fabf7..32fd4a34fd 100644
--- a/migration/qemu-file.h
+++ b/migration/qemu-file.h
@@ -75,6 +75,12 @@ QEMUFile *qemu_file_get_return_path(QEMUFile *f);
 int qemu_fflush(QEMUFile *f);
 void qemu_file_set_blocking(QEMUFile *f, bool block);
 int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size);
+void qemu_set_offset(QEMUFile *f, off_t off, int whence);
+off_t qemu_get_offset(QEMUFile *f);
+void qemu_put_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
+                        off_t pos);
+size_t qemu_get_buffer_at(QEMUFile *f, const uint8_t *buf, size_t buflen,
+                          off_t pos);
 
 QIOChannel *qemu_file_get_ioc(QEMUFile *file);