/* 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__ */