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block-coroutine-wrapper.py: support BlockBackend first argument

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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>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-10-06 15:17:12 +02:00 committed by Eric Blake
parent 70e8775ed9
commit 7d55a3bbad
2 changed files with 13 additions and 2 deletions
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3
block/coroutines.h
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@ -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);

12
scripts/block-coroutine-wrapper.py
View File

@ -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"""\