avs_probe_dma
int avs_ipc_probe_get_dma(struct avs_dev *adev, struct avs_probe_dma **dmas, size_t *num_dmas)
*dmas = (struct avs_probe_dma *)payload;
int avs_ipc_probe_attach_dma(struct avs_dev *adev, struct avs_probe_dma *dmas, size_t num_dmas)
int avs_ipc_probe_get_dma(struct avs_dev *adev, struct avs_probe_dma **dmas, size_t *num_dmas);
int avs_ipc_probe_attach_dma(struct avs_dev *adev, struct avs_probe_dma *dmas, size_t num_dmas);
static_assert(sizeof(struct avs_probe_dma) == 8);