diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fman/fman_sp.h')
-rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_sp.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_sp.h b/drivers/net/ethernet/freescale/fman/fman_sp.h new file mode 100644 index 000000000..a62dd21c8 --- /dev/null +++ b/drivers/net/ethernet/freescale/fman/fman_sp.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */ +/* + * Copyright 2008 - 2015 Freescale Semiconductor Inc. + */ + +#ifndef __FM_SP_H +#define __FM_SP_H + +#include "fman.h" +#include <linux/types.h> + +#define ILLEGAL_BASE (~0) + +/* defaults */ +#define DFLT_FM_SP_BUFFER_PREFIX_CONTEXT_DATA_ALIGN 64 + +/* Registers bit fields */ +#define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x40000000 +#define FMAN_SP_EXT_BUF_POOL_VALID 0x80000000 +#define FMAN_SP_EXT_BUF_POOL_BACKUP 0x20000000 +#define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x00100000 +#define FMAN_SP_SG_DISABLE 0x80000000 + +/* shifts */ +#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16 +#define FMAN_SP_DMA_ATTR_SWP_SHIFT 30 +#define FMAN_SP_IC_TO_EXT_SHIFT 16 +#define FMAN_SP_IC_FROM_INT_SHIFT 8 + +/* structure for defining internal context copying */ +struct fman_sp_int_context_data_copy { + /* < Offset in External buffer to which internal + * context is copied to (Rx) or taken from (Tx, Op). + */ + u16 ext_buf_offset; + /* Offset within internal context to copy from + * (Rx) or to copy to (Tx, Op). + */ + u8 int_context_offset; + /* Internal offset size to be copied */ + u16 size; +}; + +/* struct for defining external buffer margins */ +struct fman_sp_buf_margins { + /* Number of bytes to be left at the beginning + * of the external buffer (must be divisible by 16) + */ + u16 start_margins; + /* number of bytes to be left at the end + * of the external buffer(must be divisible by 16) + */ + u16 end_margins; +}; + +struct fman_sp_buffer_offsets { + u32 data_offset; + u32 prs_result_offset; + u32 time_stamp_offset; + u32 hash_result_offset; +}; + +int fman_sp_build_buffer_struct(struct fman_sp_int_context_data_copy + *int_context_data_copy, + struct fman_buffer_prefix_content + *buffer_prefix_content, + struct fman_sp_buf_margins *buf_margins, + struct fman_sp_buffer_offsets + *buffer_offsets, + u8 *internal_buf_offset); + +void fman_sp_set_buf_pools_in_asc_order_of_buf_sizes(struct fman_ext_pools + *fm_ext_pools, + u8 *ordered_array, + u16 *sizes_array); + +#endif /* __FM_SP_H */ |