[xen staging] Revert tools/python part of "tools: remove support for running a guest with qemu-traditional"

[patchbot@xxxxxxx]

commit ffa511b9dac03d3fbf3c3fe85514e8ed135a955a
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Mon Jun 2 12:15:53 2025 +0100
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Tue Jun 3 12:10:36 2025 +0100

    Revert tools/python part of "tools: remove support for running a guest with 
qemu-traditional"
    
    The migration stream is a stable ABI.  What this does is break the ability 
to
    inspection and operate on pre-Xen-4.21 streams.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
    Acked-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/python/xen/migration/libxl.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/python/xen/migration/libxl.py 
b/tools/python/xen/migration/libxl.py
index dc5c7ac355..5dcb50fe02 100644
--- a/tools/python/xen/migration/libxl.py
+++ b/tools/python/xen/migration/libxl.py
@@ -51,10 +51,12 @@ rec_type_to_str = {
 EMULATOR_HEADER_FORMAT = "II"
 
 EMULATOR_ID_unknown       = 0x00000000
+EMULATOR_ID_qemu_trad     = 0x00000001
 EMULATOR_ID_qemu_upstream = 0x00000002
 
 emulator_id_to_str = {
     EMULATOR_ID_unknown       : "Unknown",
+    EMULATOR_ID_qemu_trad     : "Qemu Traditional",
     EMULATOR_ID_qemu_upstream : "Qemu Upstream",
 }
 
--
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