pub unsafe extern "C" fn cudnnMultiHeadAttnBackwardData(
handle: cudnnHandle_t,
attnDesc: cudnnAttnDescriptor_t,
loWinIdx: *const c_int,
hiWinIdx: *const c_int,
devSeqLengthsDQDO: *const c_int,
devSeqLengthsDKDV: *const c_int,
doDesc: cudnnSeqDataDescriptor_t,
dout: *const c_void,
dqDesc: cudnnSeqDataDescriptor_t,
dqueries: *mut c_void,
queries: *const c_void,
dkDesc: cudnnSeqDataDescriptor_t,
dkeys: *mut c_void,
keys: *const c_void,
dvDesc: cudnnSeqDataDescriptor_t,
dvalues: *mut c_void,
values: *const c_void,
weightSizeInBytes: usize,
weights: *const c_void,
workSpaceSizeInBytes: usize,
workSpace: *mut c_void,
reserveSpaceSizeInBytes: usize,
reserveSpace: *mut c_void
) -> cudnnStatus_t