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101 lines
3.0 KiB
Diff
101 lines
3.0 KiB
Diff
From a0fd93952b6f0b408d96b29a0b9beb8bb2d8a24d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
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Date: Wed, 10 Oct 2018 15:59:55 +0300
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Subject: [PATCH] soc: fsl: dpio: add support for opr
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Order preservation is a feature that will be supported
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in dpni, dpseci and dpci devices.
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This is a preliminary patch for the changes to be
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introduced in the corresponding drivers.
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Signed-off-by: Radu Alexe <radu.alexe@nxp.com>
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Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
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---
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include/soc/fsl/dpaa2-global.h | 74 ++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 74 insertions(+)
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--- a/include/soc/fsl/dpaa2-global.h
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+++ b/include/soc/fsl/dpaa2-global.h
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@@ -189,4 +189,78 @@ static inline bool dpaa2_cscn_state_cong
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return !!(cscn->scn.state & DPAA2_CSCN_STATE_CG);
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}
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+/* Data Path Order Restoration API
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+ * Contains initialization APIs and runtime APIs for the Order Restoration
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+ */
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+
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+/** Order Restoration properties */
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+
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+/**
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+ * Create a new Order Point Record option
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+ */
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+#define OPR_OPT_CREATE 0x1
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+/**
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+ * Retire an existing Order Point Record option
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+ */
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+#define OPR_OPT_RETIRE 0x2
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+
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+/**
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+ * struct opr_cfg - Structure representing OPR configuration
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+ * @oprrws: Order point record (OPR) restoration window size (0 to 5)
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+ * 0 - Window size is 32 frames.
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+ * 1 - Window size is 64 frames.
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+ * 2 - Window size is 128 frames.
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+ * 3 - Window size is 256 frames.
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+ * 4 - Window size is 512 frames.
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+ * 5 - Window size is 1024 frames.
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+ * @oa: OPR auto advance NESN window size (0 disabled, 1 enabled)
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+ * @olws: OPR acceptable late arrival window size (0 to 3)
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+ * 0 - Disabled. Late arrivals are always rejected.
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+ * 1 - Window size is 32 frames.
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+ * 2 - Window size is the same as the OPR restoration
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+ * window size configured in the OPRRWS field.
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+ * 3 - Window size is 8192 frames. Late arrivals are
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+ * always accepted.
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+ * @oeane: Order restoration list (ORL) resource exhaustion
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+ * advance NESN enable (0 disabled, 1 enabled)
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+ * @oloe: OPR loose ordering enable (0 disabled, 1 enabled)
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+ */
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+struct opr_cfg {
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+ u8 oprrws;
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+ u8 oa;
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+ u8 olws;
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+ u8 oeane;
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+ u8 oloe;
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+};
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+
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+/**
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+ * struct opr_qry - Structure representing OPR configuration
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+ * @enable: Enabled state
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+ * @rip: Retirement In Progress
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+ * @ndsn: Next dispensed sequence number
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+ * @nesn: Next expected sequence number
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+ * @ea_hseq: Early arrival head sequence number
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+ * @hseq_nlis: HSEQ not last in sequence
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+ * @ea_tseq: Early arrival tail sequence number
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+ * @tseq_nlis: TSEQ not last in sequence
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+ * @ea_tptr: Early arrival tail pointer
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+ * @ea_hptr: Early arrival head pointer
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+ * @opr_id: Order Point Record ID
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+ * @opr_vid: Order Point Record Virtual ID
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+ */
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+struct opr_qry {
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+ char enable;
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+ char rip;
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+ u16 ndsn;
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+ u16 nesn;
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+ u16 ea_hseq;
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+ char hseq_nlis;
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+ u16 ea_tseq;
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+ char tseq_nlis;
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+ u16 ea_tptr;
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+ u16 ea_hptr;
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+ u16 opr_id;
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+ u16 opr_vid;
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+};
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+
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#endif /* __FSL_DPAA2_GLOBAL_H */
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