diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0154-soc-fsl-dpio-add-support-for-opr.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0154-soc-fsl-dpio-add-support-for-opr.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0154-soc-fsl-dpio-add-support-for-opr.patch b/target/linux/layerscape/patches-5.4/701-net-0154-soc-fsl-dpio-add-support-for-opr.patch new file mode 100644 index 0000000000..8bd1e547d7 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0154-soc-fsl-dpio-add-support-for-opr.patch @@ -0,0 +1,100 @@ +From a0fd93952b6f0b408d96b29a0b9beb8bb2d8a24d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com> +Date: Wed, 10 Oct 2018 15:59:55 +0300 +Subject: [PATCH] soc: fsl: dpio: add support for opr +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +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> +--- + include/soc/fsl/dpaa2-global.h | 74 ++++++++++++++++++++++++++++++++++++++++++ + 1 file changed, 74 insertions(+) + +--- a/include/soc/fsl/dpaa2-global.h ++++ b/include/soc/fsl/dpaa2-global.h +@@ -189,4 +189,78 @@ static inline bool dpaa2_cscn_state_cong + 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 */ |