ceph/src/spdk/dpdk/drivers/bus/fslmc/mc/fsl_dpopr.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2013-2015 Freescale Semiconductor Inc.
   4  * Copyright 2018 NXP
   5  *
   6  */
   7 #ifndef __FSL_DPOPR_H_
   8 #define __FSL_DPOPR_H_
   9
  10 /** @addtogroup dpopr Data Path Order Restoration API
  11  * Contains initialization APIs and runtime APIs for the Order Restoration
  12  * @{
  13  */
  14
  15 /** Order Restoration properties */
  16
  17 /**
  18  * Create a new Order Point Record option
  19  */
  20 #define OPR_OPT_CREATE 0x1
  21 /**
  22  * Retire an existing Order Point Record option
  23  */
  24 #define OPR_OPT_RETIRE 0x2
  25
  26 /**
  27  * struct opr_cfg - Structure representing OPR configuration
  28  * @oprrws: Order point record (OPR) restoration window size (0 to 5)
  29  *                      0 - Window size is 32 frames.
  30  *                      1 - Window size is 64 frames.
  31  *                      2 - Window size is 128 frames.
  32  *                      3 - Window size is 256 frames.
  33  *                      4 - Window size is 512 frames.
  34  *                      5 - Window size is 1024 frames.
  35  *@oa: OPR auto advance NESN window size (0 disabled, 1 enabled)
  36  *@olws: OPR acceptable late arrival window size (0 to 3)
  37  *                      0 - Disabled. Late arrivals are always rejected.
  38  *                      1 - Window size is 32 frames.
  39  *                      2 - Window size is the same as the OPR restoration
  40  *                      window size configured in the OPRRWS field.
  41  *                      3 - Window size is 8192 frames.
  42  *                      Late arrivals are always accepted.
  43  *@oeane: Order restoration list (ORL) resource exhaustion
  44  *                      advance NESN enable (0 disabled, 1 enabled)
  45  *@oloe: OPR loose ordering enable (0 disabled, 1 enabled)
  46  */
  47 struct opr_cfg {
  48         uint8_t oprrws;
  49         uint8_t oa;
  50         uint8_t olws;
  51         uint8_t oeane;
  52         uint8_t oloe;
  53 };
  54
  55 /**
  56  * struct opr_qry - Structure representing OPR configuration
  57  * @enable: Enabled state
  58  * @rip: Retirement In Progress
  59  * @ndsn: Next dispensed sequence number
  60  * @nesn: Next expected sequence number
  61  * @ea_hseq: Early arrival head sequence number
  62  * @hseq_nlis: HSEQ not last in sequence
  63  * @ea_tseq: Early arrival tail sequence number
  64  * @tseq_nlis: TSEQ not last in sequence
  65  * @ea_tptr: Early arrival tail pointer
  66  * @ea_hptr: Early arrival head pointer
  67  * @opr_id: Order Point Record ID
  68  * @opr_vid: Order Point Record Virtual ID
  69  */
  70 struct opr_qry {
  71         char enable;
  72         char rip;
  73         uint16_t ndsn;
  74         uint16_t nesn;
  75         uint16_t ea_hseq;
  76         char hseq_nlis;
  77         uint16_t ea_tseq;
  78         char tseq_nlis;
  79         uint16_t ea_tptr;
  80         uint16_t ea_hptr;
  81         uint16_t opr_id;
  82         uint16_t opr_vid;
  83 };
  84
  85 #endif /* __FSL_DPOPR_H_ */