DMA_ERROR
#define DMA_SETERROR(header) ((header)->status |= DMA_ERROR)
#define DMA_CLRERROR(header) ((header)->status &= ~DMA_ERROR)
#define DMA_ISERROR(header) ((header)->status & DMA_ERROR)
#define DMA_SETERROR(header) ((header)->status |= DMA_ERROR)
#define DMA_CLRERROR(header) ((header)->status &= ~DMA_ERROR)
#define DMA_ISERROR(header) ((header)->status & DMA_ERROR)