diff options
| author | Horia Geantă <horia.geanta@nxp.com> | 2018-10-10 15:59:55 +0300 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-12-02 18:03:47 +0800 |
| commit | b462bd28f680edadc1a10887d3f82cf341b2188e (patch) | |
| tree | 623cc98640098cbe56f720a272b9e1dc76788832 /include/soc | |
| parent | 2ebf4f082163c425553a55070aa59f3cc2d19e62 (diff) | |
soc: fsl: dpio: add support for opr
Order preservation is a feature that will be supported
in dpni, dpseci and dpci devices.
This is a preliminary patch for the changes to be
introduced in the corresponding drivers.
Signed-off-by: Radu Alexe <radu.alexe@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Diffstat (limited to 'include/soc')
| -rw-r--r-- | include/soc/fsl/dpaa2-global.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/include/soc/fsl/dpaa2-global.h b/include/soc/fsl/dpaa2-global.h index 2bfc379d3dc9..632b73bd59b6 100644 --- a/include/soc/fsl/dpaa2-global.h +++ b/include/soc/fsl/dpaa2-global.h @@ -189,4 +189,78 @@ static inline bool dpaa2_cscn_state_congested(struct dpaa2_dq *cscn) return !!(cscn->scn.state & DPAA2_CSCN_STATE_CG); } +/* 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 { + u8 oprrws; + u8 oa; + u8 olws; + u8 oeane; + u8 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; + u16 ndsn; + u16 nesn; + u16 ea_hseq; + char hseq_nlis; + u16 ea_tseq; + char tseq_nlis; + u16 ea_tptr; + u16 ea_hptr; + u16 opr_id; + u16 opr_vid; +}; + #endif /* __FSL_DPAA2_GLOBAL_H */ |