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[PULL 07/15] block-coroutine-wrapper.py: support BlockBackend first argu
From: |
Eric Blake |
Subject: |
[PULL 07/15] block-coroutine-wrapper.py: support BlockBackend first argument |
Date: |
Fri, 15 Oct 2021 16:10:02 -0500 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20211006131718.214235-7-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
scripts/block-coroutine-wrapper.py | 12 ++++++++++--
block/coroutines.h | 3 +++
2 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/scripts/block-coroutine-wrapper.py
b/scripts/block-coroutine-wrapper.py
index 85dbeb9ecf9c..08be813407b6 100644
--- a/scripts/block-coroutine-wrapper.py
+++ b/scripts/block-coroutine-wrapper.py
@@ -100,12 +100,20 @@ def snake_to_camel(func_name: str) -> str:
def gen_wrapper(func: FuncDecl) -> str:
assert not '_co_' in func.name
assert func.return_type == 'int'
- assert func.args[0].type in ['BlockDriverState *', 'BdrvChild *']
+ assert func.args[0].type in ['BlockDriverState *', 'BdrvChild *',
+ 'BlockBackend *']
subsystem, subname = func.name.split('_', 1)
name = f'{subsystem}_co_{subname}'
- bs = 'bs' if func.args[0].type == 'BlockDriverState *' else 'child->bs'
+
+ t = func.args[0].type
+ if t == 'BlockDriverState *':
+ bs = 'bs'
+ elif t == 'BdrvChild *':
+ bs = 'child->bs'
+ else:
+ bs = 'blk_bs(blk)'
struct_name = snake_to_camel(name)
return f"""\
diff --git a/block/coroutines.h b/block/coroutines.h
index 514d169d23d6..35a6c4985782 100644
--- a/block/coroutines.h
+++ b/block/coroutines.h
@@ -27,6 +27,9 @@
#include "block/block_int.h"
+/* For blk_bs() in generated block/block-gen.c */
+#include "sysemu/block-backend.h"
+
int coroutine_fn bdrv_co_check(BlockDriverState *bs,
BdrvCheckResult *res, BdrvCheckMode fix);
int coroutine_fn bdrv_co_invalidate_cache(BlockDriverState *bs, Error **errp);
--
2.31.1
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