1/* 2 * Copyright (c) 2014 ETH Zurich. 3 * All rights reserved. 4 * 5 * This file is distributed under the terms in the attached LICENSE file. 6 * If you do not find this file, copies can be found by writing to: 7 * ETH Zurich D-INFK, Universitaetsstrasse 6, CH-8092 Zurich. Attn: Systems Group. 8 */ 9 10#ifndef LIB_IOAT_DMA_DCA_H 11#define LIB_IOAT_DMA_DCA_H 12 13 14 15/** 16 * \brief enables direct cache access 17 */ 18errval_t ioat_dma_dca_enable(void); 19 20 21/** 22 * \brief disables direct cache access 23 */ 24errval_t ioat_dma_dca_disable(void); 25 26 27/** 28 * \brief checks whether DCA is enabled 29 * 30 * \returns 1 if DCA is enabled 31 * 0 if DCA is disabled 32 */ 33uint8_t ioat_dma_dca_is_enabled(void); 34 35 36#endif /* LIB_IOAT_DMA_DCA_H */ 37