diff options
Diffstat (limited to 'drivers/bus/fslmc/mc/fsl_dpopr.h')
-rw-r--r-- | drivers/bus/fslmc/mc/fsl_dpopr.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/bus/fslmc/mc/fsl_dpopr.h b/drivers/bus/fslmc/mc/fsl_dpopr.h new file mode 100644 index 00000000..fd727e01 --- /dev/null +++ b/drivers/bus/fslmc/mc/fsl_dpopr.h @@ -0,0 +1,85 @@ +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) + * + * Copyright 2013-2015 Freescale Semiconductor Inc. + * Copyright 2018 NXP + * + */ +#ifndef __FSL_DPOPR_H_ +#define __FSL_DPOPR_H_ + +/** @addtogroup dpopr Data Path Order Restoration API + * Contains initialization APIs and runtime APIs for the Order Restoration + * @{ + */ + +/** Order Restoration properties */ + +/** + * Create a new Order Point Record option + */ +#define OPR_OPT_CREATE 0x1 +/** + * Retire an existing Order Point Record option + */ +#define OPR_OPT_RETIRE 0x2 + +/** + * struct opr_cfg - Structure representing OPR configuration + * @oprrws: Order point record (OPR) restoration window size (0 to 5) + * 0 - Window size is 32 frames. + * 1 - Window size is 64 frames. + * 2 - Window size is 128 frames. + * 3 - Window size is 256 frames. + * 4 - Window size is 512 frames. + * 5 - Window size is 1024 frames. + *@oa: OPR auto advance NESN window size (0 disabled, 1 enabled) + *@olws: OPR acceptable late arrival window size (0 to 3) + * 0 - Disabled. Late arrivals are always rejected. + * 1 - Window size is 32 frames. + * 2 - Window size is the same as the OPR restoration + * window size configured in the OPRRWS field. + * 3 - Window size is 8192 frames. + * Late arrivals are always accepted. + *@oeane: Order restoration list (ORL) resource exhaustion + * advance NESN enable (0 disabled, 1 enabled) + *@oloe: OPR loose ordering enable (0 disabled, 1 enabled) + */ +struct opr_cfg { + uint8_t oprrws; + uint8_t oa; + uint8_t olws; + uint8_t oeane; + uint8_t oloe; +}; + +/** + * struct opr_qry - Structure representing OPR configuration + * @enable: Enabled state + * @rip: Retirement In Progress + * @ndsn: Next dispensed sequence number + * @nesn: Next expected sequence number + * @ea_hseq: Early arrival head sequence number + * @hseq_nlis: HSEQ not last in sequence + * @ea_tseq: Early arrival tail sequence number + * @tseq_nlis: TSEQ not last in sequence + * @ea_tptr: Early arrival tail pointer + * @ea_hptr: Early arrival head pointer + * @opr_id: Order Point Record ID + * @opr_vid: Order Point Record Virtual ID + */ +struct opr_qry { + char enable; + char rip; + uint16_t ndsn; + uint16_t nesn; + uint16_t ea_hseq; + char hseq_nlis; + uint16_t ea_tseq; + char tseq_nlis; + uint16_t ea_tptr; + uint16_t ea_hptr; + uint16_t opr_id; + uint16_t opr_vid; +}; + +#endif /* __FSL_DPOPR_H_ */ |