rte_ioat_rawdev.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2019 Intel Corporation
 */

#ifndef _RTE_IOAT_RAWDEV_H_
#define _RTE_IOAT_RAWDEV_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <rte_common.h>

#define IOAT_PMD_RAWDEV_NAME rawdev_ioat

#define IOAT_PMD_RAWDEV_NAME_STR "rawdev_ioat"

struct rte_ioat_rawdev_config {
    unsigned short ring_size; 
    bool hdls_disable;    
    bool no_prefetch_completions;
};

static inline int
__rte_experimental
rte_ioat_enqueue_fill(int dev_id, uint64_t pattern, phys_addr_t dst,
        unsigned int length, uintptr_t dst_hdl);

static inline int
__rte_experimental
rte_ioat_enqueue_copy(int dev_id, phys_addr_t src, phys_addr_t dst,
        unsigned int length, uintptr_t src_hdl, uintptr_t dst_hdl);

static inline int
__rte_experimental
rte_ioat_fence(int dev_id);


static inline int
__rte_experimental
rte_ioat_perform_ops(int dev_id);

/*
 *  Status codes for operations.
 */
#define RTE_IOAT_OP_SUCCESS 0  
#define RTE_IOAT_OP_SKIPPED 1  
/* Values >1 indicate a failure condition */
/* Error codes taken from Intel(R) Data Streaming Accelerator Architecture
 * Specification, section 5.7
 */
#define RTE_IOAT_OP_ADDRESS_ERR 0x03  
#define RTE_IOAT_OP_INVALID_LEN 0x13  
#define RTE_IOAT_OP_OVERLAPPING_BUFS 0x16 
static inline int
__rte_experimental
rte_ioat_completed_ops(int dev_id, uint8_t max_copies,
        uint32_t *status, uint8_t *num_unsuccessful,
        uintptr_t *src_hdls, uintptr_t *dst_hdls);

/* include the implementation details from a separate file */
#include "rte_ioat_rawdev_fns.h"

#ifdef __cplusplus
}
#endif

#endif /* _RTE_IOAT_RAWDEV_H_ */