drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
   5  *   Copyright (c) 2016 NXP. 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  Freescale Semiconductor, 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 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 #include <time.h>
  35 #include <net/if.h>
  36
  37 #include <rte_mbuf.h>
  38 #include <rte_cryptodev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_memcpy.h>
  41 #include <rte_string_fns.h>
  42 #include <rte_cycles.h>
  43 #include <rte_kvargs.h>
  44 #include <rte_dev.h>
  45 #include <rte_cryptodev_pmd.h>
  46 #include <rte_common.h>
  47 #include <rte_fslmc.h>
  48 #include <fslmc_vfio.h>
  49 #include <dpaa2_hw_pvt.h>
  50 #include <dpaa2_hw_dpio.h>
  51
  52 #include "dpaa2_sec_priv.h"
  53 #include "dpaa2_sec_logs.h"
  54
  55 #define FSL_VENDOR_ID           0x1957
  56 #define FSL_DEVICE_ID           0x410
  57 #define FSL_SUBSYSTEM_SEC       1
  58 #define FSL_MC_DPSECI_DEVID     3
  59
  60 static int
  61 dpaa2_sec_uninit(const struct rte_cryptodev_driver *crypto_drv __rte_unused,
  62                  struct rte_cryptodev *dev)
  63 {
  64         PMD_INIT_LOG(INFO, "Closing DPAA2_SEC device %s on numa socket %u\n",
  65                      dev->data->name, rte_socket_id());
  66
  67         return 0;
  68 }
  69
  70 static int
  71 dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev)
  72 {
  73         struct dpaa2_sec_dev_private *internals;
  74         struct rte_device *dev = cryptodev->device;
  75         struct rte_dpaa2_device *dpaa2_dev;
  76
  77         PMD_INIT_FUNC_TRACE();
  78         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
  79         if (dpaa2_dev == NULL) {
  80                 PMD_INIT_LOG(ERR, "dpaa2_device not found\n");
  81                 return -1;
  82         }
  83
  84         cryptodev->dev_type = RTE_CRYPTODEV_DPAA2_SEC_PMD;
  85
  86         cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
  87                         RTE_CRYPTODEV_FF_HW_ACCELERATED |
  88                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
  89
  90         internals = cryptodev->data->dev_private;
  91         internals->max_nb_sessions = RTE_DPAA2_SEC_PMD_MAX_NB_SESSIONS;
  92
  93         /*
  94          * For secondary processes, we don't initialise any further as primary
  95          * has already done this work. Only check we don't need a different
  96          * RX function
  97          */
  98         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
  99                 PMD_INIT_LOG(DEBUG, "Device already init by primary process");
 100                 return 0;
 101         }
 102
 103         PMD_INIT_LOG(DEBUG, "driver %s: created\n", cryptodev->data->name);
 104         return 0;
 105 }
 106
 107 static int
 108 cryptodev_dpaa2_sec_probe(struct rte_dpaa2_driver *dpaa2_drv,
 109                           struct rte_dpaa2_device *dpaa2_dev)
 110 {
 111         struct rte_cryptodev *cryptodev;
 112         char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
 113
 114         int retval;
 115
 116         sprintf(cryptodev_name, "dpsec-%d", dpaa2_dev->object_id);
 117
 118         cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id());
 119         if (cryptodev == NULL)
 120                 return -ENOMEM;
 121
 122         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 123                 cryptodev->data->dev_private = rte_zmalloc_socket(
 124                                         "cryptodev private structure",
 125                                         sizeof(struct dpaa2_sec_dev_private),
 126                                         RTE_CACHE_LINE_SIZE,
 127                                         rte_socket_id());
 128
 129                 if (cryptodev->data->dev_private == NULL)
 130                         rte_panic("Cannot allocate memzone for private "
 131                                         "device data");
 132         }
 133
 134         dpaa2_dev->cryptodev = cryptodev;
 135         cryptodev->device = &dpaa2_dev->device;
 136         cryptodev->driver = (struct rte_cryptodev_driver *)dpaa2_drv;
 137
 138         /* init user callbacks */
 139         TAILQ_INIT(&(cryptodev->link_intr_cbs));
 140
 141         /* Invoke PMD device initialization function */
 142         retval = dpaa2_sec_dev_init(cryptodev);
 143         if (retval == 0)
 144                 return 0;
 145
 146         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 147                 rte_free(cryptodev->data->dev_private);
 148
 149         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
 150
 151         return -ENXIO;
 152 }
 153
 154 static int
 155 cryptodev_dpaa2_sec_remove(struct rte_dpaa2_device *dpaa2_dev)
 156 {
 157         struct rte_cryptodev *cryptodev;
 158         int ret;
 159
 160         cryptodev = dpaa2_dev->cryptodev;
 161         if (cryptodev == NULL)
 162                 return -ENODEV;
 163
 164         ret = dpaa2_sec_uninit(NULL, cryptodev);
 165         if (ret)
 166                 return ret;
 167
 168         /* free crypto device */
 169         rte_cryptodev_pmd_release_device(cryptodev);
 170
 171         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 172                 rte_free(cryptodev->data->dev_private);
 173
 174         cryptodev->device = NULL;
 175         cryptodev->driver = NULL;
 176         cryptodev->data = NULL;
 177
 178         return 0;
 179 }
 180
 181 static struct rte_dpaa2_driver rte_dpaa2_sec_driver = {
 182         .drv_type = DPAA2_MC_DPSECI_DEVID,
 183         .driver = {
 184                 .name = "DPAA2 SEC PMD"
 185         },
 186         .probe = cryptodev_dpaa2_sec_probe,
 187         .remove = cryptodev_dpaa2_sec_remove,
 188 };
 189
 190 RTE_PMD_REGISTER_DPAA2(dpaa2_sec_pmd, rte_dpaa2_sec_driver);