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