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_H 7 #define __FM_SP_H 8 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 64 16 17 /* Registers bit fields */ 18 #define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x40000000 19 #define FMAN_SP_EXT_BUF_POOL_VALID 0x80000000 20 #define FMAN_SP_EXT_BUF_POOL_BACKUP 0x20000000 21 #define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x00100000 22 #define FMAN_SP_SG_DISABLE 0x80000000 23 24 /* shifts */ 25 #define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16 26 #define FMAN_SP_DMA_ATTR_SWP_SHIFT 30 27 #define FMAN_SP_IC_TO_EXT_SHIFT 16 28 #define FMAN_SP_IC_FROM_INT_SHIFT 8 29 30 /* structure for defining internal context copying */ 31 struct fman_sp_int_context_data_copy { 32 /* < Offset in External buffer to which internal 33 * context is copied to (Rx) or taken from (Tx, Op). 34 */ 35 u16 ext_buf_offset; 36 /* Offset within internal context to copy from 37 * (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 */ 45 struct fman_sp_buf_margins { 46 /* Number of bytes to be left at the beginning 47 * of the external buffer (must be divisible by 16) 48 */ 49 u16 start_margins; 50 /* number of bytes to be left at the end 51 * of the external buffer(must be divisible by 16) 52 */ 53 u16 end_margins; 54 }; 55 56 struct 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 63 int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy 64 *int_context_data_copy, 65 struct fman_buffer_prefix_content 66 *buffer_prefix_content, 67 struct fman_sp_buf_margins *buf_margins, 68 struct fman_sp_buffer_offsets 69 *buffer_offsets, 70 u8 *internal_buf_offset); 71 72 void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools 73 *fm_ext_pools, 74 u8 *ordered_array, 75 u16 *sizes_array); 76 77 #endif /* __FM_SP_H */ 78