cne_dsa.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2019-2022 Intel Corporation
 */
 
#ifndef _CNE_DSA_H_
#define _CNE_DSA_H_
 
#include <stdint.h>
#include <cne_common.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Status codes for operations. See dsa_completed_ops(). Values >1 indicate a failure
 * condition as reported by the device. Those error codes are from Intel(R) Data
 * Streaming Accelerator Architecture Specification, section 5.7.
 */
#define DSA_OP_SUCCESS          0x0  
#define DSA_OP_SKIPPED          0x1  
#define DSA_OP_ADDRESS_ERR      0x03 
#define DSA_OP_INVALID_LEN      0x13 
#define DSA_OP_OVERLAPPING_BUFS 0x16 
struct dsa_stats {
    uint64_t enqueue_failed; 
    uint64_t enqueued;       
    uint64_t started;        
    uint64_t completed;      
};
 
CNDP_API int16_t dsa_open(const char *name);
 
CNDP_API int dsa_close(uint16_t dev);
 
CNDP_API int dsa_get_stats(uint16_t dev, struct dsa_stats *stats);
 
CNDP_API uint16_t dsa_burst_capacity(uint16_t dev);
 
CNDP_API int dsa_enqueue_fill(uint16_t dev, uint64_t pattern, phys_addr_t dst, uint32_t length,
                              uintptr_t dst_hdl);
 
CNDP_API int dsa_enqueue_copy(uint16_t dev, phys_addr_t src, phys_addr_t dst, uint32_t length,
                              uintptr_t src_hdl, uintptr_t dst_hdl);
 
CNDP_API int dsa_fence(uint16_t dev);
 
CNDP_API int dsa_perform_ops(uint16_t dev);
 
CNDP_API int dsa_completed_ops(uint16_t dev, uint8_t max_copies, uint32_t *status,
                               uint8_t *num_unsuccessful, uintptr_t *src_hdls, uintptr_t *dst_hdls);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _CNE_DSA_H_ */