ceph/src/seastar/dpdk/drivers/bus/fslmc/mc/dpio.c

   1 /*-
   2  * This file is provided under a dual BSD/GPLv2 license. When using or
   3  * redistributing this file, you may do so under either license.
   4  *
   5  *   BSD LICENSE
   6  *
   7  * Copyright 2013-2016 Freescale Semiconductor Inc.
   8  * Copyright (c) 2016 NXP.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  * * Redistributions of source code must retain the above copyright
  13  * notice, this list of conditions and the following disclaimer.
  14  * * Redistributions in binary form must reproduce the above copyright
  15  * notice, this list of conditions and the following disclaimer in the
  16  * documentation and/or other materials provided with the distribution.
  17  * * Neither the name of the above-listed copyright holders nor the
  18  * names of any contributors may be used to endorse or promote products
  19  * derived from this software without specific prior written permission.
  20  *
  21  *   GPL LICENSE SUMMARY
  22  *
  23  * ALTERNATIVELY, this software may be distributed under the terms of the
  24  * GNU General Public License ("GPL") as published by the Free Software
  25  * Foundation, either version 2 of that License or (at your option) any
  26  * later version.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  29  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  31  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
  32  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  38  * POSSIBILITY OF SUCH DAMAGE.
  39  */
  40 #include <fsl_mc_sys.h>
  41 #include <fsl_mc_cmd.h>
  42 #include <fsl_dpio.h>
  43 #include <fsl_dpio_cmd.h>
  44
  45 int dpio_open(struct fsl_mc_io *mc_io,
  46               uint32_t cmd_flags,
  47               int dpio_id,
  48               uint16_t *token)
  49 {
  50         struct mc_command cmd = { 0 };
  51         int err;
  52
  53         /* prepare command */
  54         cmd.header = mc_encode_cmd_header(DPIO_CMDID_OPEN,
  55                                           cmd_flags,
  56                                           0);
  57         DPIO_CMD_OPEN(cmd, dpio_id);
  58
  59         /* send command to mc*/
  60         err = mc_send_command(mc_io, &cmd);
  61         if (err)
  62                 return err;
  63
  64         /* retrieve response parameters */
  65         *token = MC_CMD_HDR_READ_TOKEN(cmd.header);
  66
  67         return 0;
  68 }
  69
  70 int dpio_close(struct fsl_mc_io *mc_io,
  71                uint32_t cmd_flags,
  72                uint16_t token)
  73 {
  74         struct mc_command cmd = { 0 };
  75
  76         /* prepare command */
  77         cmd.header = mc_encode_cmd_header(DPIO_CMDID_CLOSE,
  78                                           cmd_flags,
  79                                           token);
  80
  81         /* send command to mc*/
  82         return mc_send_command(mc_io, &cmd);
  83 }
  84
  85 int dpio_create(struct fsl_mc_io        *mc_io,
  86                 uint16_t        dprc_token,
  87                 uint32_t        cmd_flags,
  88                 const struct dpio_cfg   *cfg,
  89                 uint32_t        *obj_id)
  90 {
  91         struct mc_command cmd = { 0 };
  92         int err;
  93
  94         /* prepare command */
  95         cmd.header = mc_encode_cmd_header(DPIO_CMDID_CREATE,
  96                                           cmd_flags,
  97                                           dprc_token);
  98         DPIO_CMD_CREATE(cmd, cfg);
  99
 100         /* send command to mc*/
 101         err = mc_send_command(mc_io, &cmd);
 102         if (err)
 103                 return err;
 104
 105         /* retrieve response parameters */
 106         CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id);
 107
 108         return 0;
 109 }
 110
 111 int dpio_destroy(struct fsl_mc_io       *mc_io,
 112                  uint16_t       dprc_token,
 113                 uint32_t        cmd_flags,
 114                 uint32_t        object_id)
 115 {
 116         struct mc_command cmd = { 0 };
 117
 118         /* prepare command */
 119         cmd.header = mc_encode_cmd_header(DPIO_CMDID_DESTROY,
 120                         cmd_flags,
 121                         dprc_token);
 122         /* set object id to destroy */
 123         CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id);
 124         /* send command to mc*/
 125         return mc_send_command(mc_io, &cmd);
 126 }
 127
 128 int dpio_enable(struct fsl_mc_io *mc_io,
 129                 uint32_t cmd_flags,
 130                 uint16_t token)
 131 {
 132         struct mc_command cmd = { 0 };
 133
 134         /* prepare command */
 135         cmd.header = mc_encode_cmd_header(DPIO_CMDID_ENABLE,
 136                                           cmd_flags,
 137                                           token);
 138
 139         /* send command to mc*/
 140         return mc_send_command(mc_io, &cmd);
 141 }
 142
 143 int dpio_disable(struct fsl_mc_io *mc_io,
 144                  uint32_t cmd_flags,
 145                  uint16_t token)
 146 {
 147         struct mc_command cmd = { 0 };
 148
 149         /* prepare command */
 150         cmd.header = mc_encode_cmd_header(DPIO_CMDID_DISABLE,
 151                                           cmd_flags,
 152                                           token);
 153
 154         /* send command to mc*/
 155         return mc_send_command(mc_io, &cmd);
 156 }
 157
 158 int dpio_is_enabled(struct fsl_mc_io *mc_io,
 159                     uint32_t cmd_flags,
 160                     uint16_t token,
 161                     int *en)
 162 {
 163         struct mc_command cmd = { 0 };
 164         int err;
 165         /* prepare command */
 166         cmd.header = mc_encode_cmd_header(DPIO_CMDID_IS_ENABLED, cmd_flags,
 167                                           token);
 168
 169         /* send command to mc*/
 170         err = mc_send_command(mc_io, &cmd);
 171         if (err)
 172                 return err;
 173
 174         /* retrieve response parameters */
 175         DPIO_RSP_IS_ENABLED(cmd, *en);
 176
 177         return 0;
 178 }
 179
 180 int dpio_reset(struct fsl_mc_io *mc_io,
 181                uint32_t cmd_flags,
 182                uint16_t token)
 183 {
 184         struct mc_command cmd = { 0 };
 185
 186         /* prepare command */
 187         cmd.header = mc_encode_cmd_header(DPIO_CMDID_RESET,
 188                                           cmd_flags,
 189                                           token);
 190
 191         /* send command to mc*/
 192         return mc_send_command(mc_io, &cmd);
 193 }
 194
 195 int dpio_get_attributes(struct fsl_mc_io *mc_io,
 196                         uint32_t cmd_flags,
 197                         uint16_t token,
 198                         struct dpio_attr *attr)
 199 {
 200         struct mc_command cmd = { 0 };
 201         int err;
 202
 203         /* prepare command */
 204         cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_ATTR,
 205                                           cmd_flags,
 206                                           token);
 207
 208         /* send command to mc*/
 209         err = mc_send_command(mc_io, &cmd);
 210         if (err)
 211                 return err;
 212
 213         /* retrieve response parameters */
 214         DPIO_RSP_GET_ATTRIBUTES(cmd, attr);
 215
 216         return 0;
 217 }
 218
 219 int dpio_set_stashing_destination(struct fsl_mc_io *mc_io,
 220                                   uint32_t cmd_flags,
 221                                   uint16_t token,
 222                                   uint8_t sdest)
 223 {
 224         struct mc_command cmd = { 0 };
 225
 226         /* prepare command */
 227         cmd.header = mc_encode_cmd_header(DPIO_CMDID_SET_STASHING_DEST,
 228                                           cmd_flags,
 229                                           token);
 230         DPIO_CMD_SET_STASHING_DEST(cmd, sdest);
 231
 232         /* send command to mc*/
 233         return mc_send_command(mc_io, &cmd);
 234 }
 235
 236 int dpio_get_stashing_destination(struct fsl_mc_io *mc_io,
 237                                   uint32_t cmd_flags,
 238                                   uint16_t token,
 239                                   uint8_t *sdest)
 240 {
 241         struct mc_command cmd = { 0 };
 242         int err;
 243
 244         /* prepare command */
 245         cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_STASHING_DEST,
 246                                           cmd_flags,
 247                                           token);
 248
 249         /* send command to mc*/
 250         err = mc_send_command(mc_io, &cmd);
 251         if (err)
 252                 return err;
 253
 254         /* retrieve response parameters */
 255         DPIO_RSP_GET_STASHING_DEST(cmd, *sdest);
 256
 257         return 0;
 258 }
 259
 260 int dpio_get_api_version(struct fsl_mc_io *mc_io,
 261                          uint32_t cmd_flags,
 262                            uint16_t *major_ver,
 263                            uint16_t *minor_ver)
 264 {
 265         struct mc_command cmd = { 0 };
 266         int err;
 267
 268         cmd.header = mc_encode_cmd_header(DPIO_CMDID_GET_API_VERSION,
 269                                         cmd_flags,
 270                                         0);
 271
 272         err = mc_send_command(mc_io, &cmd);
 273         if (err)
 274                 return err;
 275
 276         DPIO_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver);
 277
 278         return 0;
 279 }