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-rw-r--r--scripts/qapi/expr.py5
-rw-r--r--scripts/qapi/parser.py3
-rw-r--r--scripts/qapi/source.py2
3 files changed, 8 insertions, 2 deletions
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index d778107c18..9193e68763 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -70,8 +70,9 @@ def check_defn_name_str(name, info, meta):
     if meta == 'event':
         check_name_upper(name, info, meta)
     elif meta == 'command':
-        check_name_lower(name, info, meta,
-                         permit_upper=True, permit_underscore=True)
+        check_name_lower(
+            name, info, meta,
+            permit_underscore=name in info.pragma.command_name_exceptions)
     else:
         check_name_camel(name, info, meta)
     if name.endswith('Kind') or name.endswith('List'):
diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
index c16b8b6995..58267c3db9 100644
--- a/scripts/qapi/parser.py
+++ b/scripts/qapi/parser.py
@@ -132,6 +132,9 @@ class QAPISchemaParser:
                 raise QAPISemError(info,
                                    "pragma 'doc-required' must be boolean")
             info.pragma.doc_required = value
+        elif name == 'command-name-exceptions':
+            self._check_pragma_list_of_str(name, value, info)
+            info.pragma.command_name_exceptions = value
         elif name == 'command-returns-exceptions':
             self._check_pragma_list_of_str(name, value, info)
             info.pragma.command_returns_exceptions = value
diff --git a/scripts/qapi/source.py b/scripts/qapi/source.py
index d8f9ec377f..03b6ede082 100644
--- a/scripts/qapi/source.py
+++ b/scripts/qapi/source.py
@@ -21,6 +21,8 @@ class QAPISchemaPragma:
     def __init__(self) -> None:
         # Are documentation comments required?
         self.doc_required = False
+        # Commands whose names may use '_'
+        self.command_name_exceptions: List[str] = []
         # Commands allowed to return a non-dictionary
         self.command_returns_exceptions: List[str] = []
         # Types whose member names may violate case conventions