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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Marvell Octeon CN10K DPI driver
*
* Copyright (C) 2024 Marvell.
*
*/
#ifndef __MRVL_CN10K_DPI_H__
#define __MRVL_CN10K_DPI_H__
#include <linux/types.h>
#define DPI_MAX_ENGINES 6
struct dpi_mps_mrrs_cfg {
__u16 max_read_req_sz; /* Max read request size */
__u16 max_payload_sz; /* Max payload size */
__u16 port; /* Ebus port */
__u16 reserved; /* Reserved */
};
struct dpi_engine_cfg {
__u64 fifo_mask; /* FIFO size mask in KBytes */
__u16 molr[DPI_MAX_ENGINES]; /* Max outstanding load requests */
__u16 update_molr; /* '1' to update engine MOLR */
__u16 reserved; /* Reserved */
};
/* DPI ioctl numbers */
#define DPI_MAGIC_NUM 0xB8
/* Set MPS & MRRS parameters */
#define DPI_MPS_MRRS_CFG _IOW(DPI_MAGIC_NUM, 1, struct dpi_mps_mrrs_cfg)
/* Set Engine FIFO configuration */
#define DPI_ENGINE_CFG _IOW(DPI_MAGIC_NUM, 2, struct dpi_engine_cfg)
#endif /* __MRVL_CN10K_DPI_H__ */
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