dpaa2_swp_if.m

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    1 #-
    2 # SPDX-License-Identifier: BSD-2-Clause
    3 #
    4 # Copyright © 2021-2022 Dmitry Salychev
    5 #
    6 # Redistribution and use in source and binary forms, with or without
    7 # modification, are permitted provided that the following conditions
    8 # are met:
    9 # 1. Redistributions of source code must retain the above copyright
   10 #    notice, this list of conditions and the following disclaimer.
   11 # 2. Redistributions in binary form must reproduce the above copyright
   12 #    notice, this list of conditions and the following disclaimer in the
   13 #    documentation and/or other materials provided with the distribution.
   14 #
   15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25 # SUCH DAMAGE.
   26 #
   27 
   28 #include <machine/bus.h>
   29 #include <dev/dpaa2/dpaa2_mc.h>
   30 #include <dev/dpaa2/dpaa2_swp.h>
   31 #include <dev/dpaa2/dpaa2_bp.h>
   32 
   33 /**
   34  * @brief QBMan software portal interface.
   35  *
   36  * Software portals are used by data path software executing on a processor core
   37  * to communicate with the Queue Manager (QMan) which acts as a central resource
   38  * in DPAA2, managing the queueing of data between multiple processor cores,
   39  * network interfaces, and hardware accelerators in a multicore SoC.
   40  */
   41 INTERFACE dpaa2_swp;
   42 
   43 /**
   44  * @brief Enqueue multiple frames to a frame queue using one Frame Queue ID.
   45  *
   46  * dev:         DPIO device.
   47  * fqid:        Frame Queue ID.
   48  * fd:          Frame descriptor to enqueue.
   49  * frames_n:    Number of frames to enqueue.
   50  */
   51 METHOD int enq_multiple_fq {
   52         device_t                 dev;
   53         uint32_t                 fqid;
   54         struct dpaa2_fd         *fd;
   55         int                      frames_n;
   56 }
   57 
   58 /**
   59  * @brief Configure the channel data availability notification (CDAN)
   60  * in a particular WQ channel paired with DPIO.
   61  *
   62  * dev:         DPIO device.
   63  * ctx:         Context to configure data availability notifications (CDAN).
   64  */
   65 METHOD int conf_wq_channel {
   66         device_t                 dev;
   67         struct dpaa2_io_notif_ctx *ctx;
   68 };
   69 
   70 /**
   71  * @brief Release one or more buffer pointers to a QBMan buffer pool.
   72  *
   73  * dev:         DPIO device.
   74  * bpid:        Buffer pool ID.
   75  * buf:         Array of buffers physical addresses.
   76  * buf_num:     Number of the buffers in the array.
   77  */
   78 METHOD int release_bufs {
   79         device_t                 dev;
   80         uint16_t                 bpid;
   81         bus_addr_t              *buf;
   82         uint32_t                 buf_num;
   83 };
   84 
   85 /**
   86  * @brief Query current configuration/state of the buffer pool.
   87  *
   88  * dev:         DPIO device.
   89  * bpid:        Buffer pool ID.
   90  * conf:        Configuration/state of the buffer pool.
   91  */
   92 METHOD int query_bp {
   93         device_t                 dev;
   94         uint16_t                 bpid;
   95         struct dpaa2_bp_conf    *conf;
   96 }

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FreeBSD/Linux Kernel Cross Reference sys/dev/dpaa2/dpaa2_swp_if.m

FreeBSD/Linux Kernel Cross Reference
sys/dev/dpaa2/dpaa2_swp_if.m