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authorFabiano Rosas <farosas@suse.de>2024-02-20 19:41:05 -0300
committerPeter Xu <peterx@redhat.com>2024-02-28 11:31:28 +0800
commitc35462f19b70afd27420f260aaa62adb30eafe91 (patch)
treec3bec4feb02d68c268ee9f95c1fc8809df4758f2 /docs/devel
parent158a054c4d1a40179f5e83cd7e1cfe65de457b92 (diff)
docs/devel/migration.rst: Document the file transport
When adding the support for file migration with the file: transport, we missed adding documentation for it. Signed-off-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Peter Xu <peterx@redhat.com> Link: https://lore.kernel.org/r/20240220224138.24759-2-farosas@suse.de Signed-off-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'docs/devel')
-rw-r--r--docs/devel/migration/main.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/devel/migration/main.rst b/docs/devel/migration/main.rst
index 331252a92c..8024275d6d 100644
--- a/docs/devel/migration/main.rst
+++ b/docs/devel/migration/main.rst
@@ -41,6 +41,10 @@ over any transport.
- exec migration: do the migration using the stdin/stdout through a process.
- fd migration: do the migration using a file descriptor that is
passed to QEMU. QEMU doesn't care how this file descriptor is opened.
+- file migration: do the migration using a file that is passed to QEMU
+ by path. A file offset option is supported to allow a management
+ application to add its own metadata to the start of the file without
+ QEMU interference.
In addition, support is included for migration using RDMA, which
transports the page data using ``RDMA``, where the hardware takes care of