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1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */2/*3 * Copyright 2008 - 2015 Freescale Semiconductor Inc.4 */5 6#ifndef __FM_SP_H7#define __FM_SP_H8 9#include "fman.h"10#include <linux/types.h>11 12#define ILLEGAL_BASE (~0)13 14/* defaults */15#define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN 6416 17/* Registers bit fields */18#define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x4000000019#define FMAN_SP_EXT_BUF_POOL_VALID 0x8000000020#define FMAN_SP_EXT_BUF_POOL_BACKUP 0x2000000021#define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x0010000022#define FMAN_SP_SG_DISABLE 0x8000000023 24/* shifts */25#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 1626#define FMAN_SP_DMA_ATTR_SWP_SHIFT 3027#define FMAN_SP_IC_TO_EXT_SHIFT 1628#define FMAN_SP_IC_FROM_INT_SHIFT 829 30/* structure for defining internal context copying */31struct fman_sp_int_context_data_copy {32 /* < Offset in External buffer to which internal33 * context is copied to (Rx) or taken from (Tx, Op).34 */35 u16 ext_buf_offset;36 /* Offset within internal context to copy from37 * (Rx) or to copy to (Tx, Op).38 */39 u8 int_context_offset;40 /* Internal offset size to be copied */41 u16 size;42};43 44/* struct for defining external buffer margins */45struct fman_sp_buf_margins {46 /* Number of bytes to be left at the beginning47 * of the external buffer (must be divisible by 16)48 */49 u16 start_margins;50 /* number of bytes to be left at the end51 * of the external buffer(must be divisible by 16)52 */53 u16 end_margins;54};55 56struct fman_sp_buffer_offsets {57 u32 data_offset;58 u32 prs_result_offset;59 u32 time_stamp_offset;60 u32 hash_result_offset;61};62 63int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy64 *int_context_data_copy,65 struct fman_buffer_prefix_content66 *buffer_prefix_content,67 struct fman_sp_buf_margins *buf_margins,68 struct fman_sp_buffer_offsets69 *buffer_offsets,70 u8 *internal_buf_offset);71 72void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools73 *fm_ext_pools,74 u8 *ordered_array,75 u16 *sizes_array);76 77#endif /* __FM_SP_H */78