ceph/src/seastar/dpdk/drivers/net/liquidio/base/lio_23xx_vf.h

   1 /*
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Cavium, Inc. nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef _LIO_23XX_VF_H_
  35 #define _LIO_23XX_VF_H_
  36
  37 #include <stdio.h>
  38
  39 #include "lio_struct.h"
  40
  41 static const struct lio_config default_cn23xx_conf      = {
  42         .card_type                              = LIO_23XX,
  43         .card_name                              = LIO_23XX_NAME,
  44         /** IQ attributes */
  45         .iq                                     = {
  46                 .max_iqs                        = CN23XX_CFG_IO_QUEUES,
  47                 .pending_list_size              =
  48                         (CN23XX_MAX_IQ_DESCRIPTORS * CN23XX_CFG_IO_QUEUES),
  49                 .instr_type                     = OCTEON_64BYTE_INSTR,
  50         },
  51
  52         /** OQ attributes */
  53         .oq                                     = {
  54                 .max_oqs                        = CN23XX_CFG_IO_QUEUES,
  55                 .info_ptr                       = OCTEON_OQ_INFOPTR_MODE,
  56                 .refill_threshold               = CN23XX_OQ_REFIL_THRESHOLD,
  57         },
  58
  59         .num_nic_ports                          = CN23XX_DEFAULT_NUM_PORTS,
  60         .num_def_rx_descs                       = CN23XX_MAX_OQ_DESCRIPTORS,
  61         .num_def_tx_descs                       = CN23XX_MAX_IQ_DESCRIPTORS,
  62         .def_rx_buf_size                        = CN23XX_OQ_BUF_SIZE,
  63 };
  64
  65 static inline const struct lio_config *
  66 lio_get_conf(struct lio_device *lio_dev)
  67 {
  68         const struct lio_config *default_lio_conf = NULL;
  69
  70         /* check the LIO Device model & return the corresponding lio
  71          * configuration
  72          */
  73         default_lio_conf = &default_cn23xx_conf;
  74
  75         if (default_lio_conf == NULL) {
  76                 lio_dev_err(lio_dev, "Configuration verification failed\n");
  77                 return NULL;
  78         }
  79
  80         return default_lio_conf;
  81 }
  82
  83 /** Turns off the input and output queues for the device
  84  *  @param lio_dev which device io queues to disable
  85  */
  86 int cn23xx_vf_set_io_queues_off(struct lio_device *lio_dev);
  87
  88 #define CN23XX_VF_BUSY_READING_REG_LOOP_COUNT   100000
  89
  90 void cn23xx_vf_ask_pf_to_do_flr(struct lio_device *lio_dev);
  91
  92 int cn23xx_pfvf_handshake(struct lio_device *lio_dev);
  93
  94 int cn23xx_vf_setup_device(struct lio_device  *lio_dev);
  95
  96 void cn23xx_vf_handle_mbox(struct lio_device *lio_dev);
  97 #endif /* _LIO_23XX_VF_H_  */