drivers/crypto/cnxk/cn10k_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include <rte_bus_pci.h>
   6 #include <rte_common.h>
   7 #include <rte_crypto.h>
   8 #include <rte_cryptodev.h>
   9 #include <rte_cryptodev_pmd.h>
  10 #include <rte_dev.h>
  11 #include <rte_pci.h>
  12
  13 #include "cn10k_cryptodev.h"
  14 #include "cn10k_cryptodev_ops.h"
  15 #include "cn10k_ipsec.h"
  16 #include "cnxk_cryptodev.h"
  17 #include "cnxk_cryptodev_capabilities.h"
  18 #include "cnxk_cryptodev_sec.h"
  19
  20 #include "roc_api.h"
  21
  22 uint8_t cn10k_cryptodev_driver_id;
  23
  24 static struct rte_pci_id pci_id_cpt_table[] = {
  25         {
  26                 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
  27                                PCI_DEVID_CN10K_RVU_CPT_VF)
  28         },
  29         /* sentinel */
  30         {
  31                 .device_id = 0
  32         },
  33 };
  34
  35 static int
  36 cn10k_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  37                     struct rte_pci_device *pci_dev)
  38 {
  39         struct rte_cryptodev_pmd_init_params init_params = {
  40                 .name = "",
  41                 .socket_id = rte_socket_id(),
  42                 .private_data_size = sizeof(struct cnxk_cpt_vf)
  43         };
  44         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  45         struct rte_cryptodev *dev;
  46         struct roc_cpt *roc_cpt;
  47         struct cnxk_cpt_vf *vf;
  48         int rc;
  49
  50         rc = roc_plt_init();
  51         if (rc < 0) {
  52                 plt_err("Failed to initialize platform model");
  53                 return rc;
  54         }
  55
  56         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  57
  58         dev = rte_cryptodev_pmd_create(name, &pci_dev->device, &init_params);
  59         if (dev == NULL) {
  60                 rc = -ENODEV;
  61                 goto exit;
  62         }
  63
  64         /* Get private data space allocated */
  65         vf = dev->data->dev_private;
  66
  67         roc_cpt = &vf->cpt;
  68
  69         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
  70                 roc_cpt->pci_dev = pci_dev;
  71                 rc = roc_cpt_dev_init(roc_cpt);
  72                 if (rc) {
  73                         plt_err("Failed to initialize roc cpt rc=%d", rc);
  74                         goto pmd_destroy;
  75                 }
  76
  77                 rc = cnxk_cpt_eng_grp_add(roc_cpt);
  78                 if (rc) {
  79                         plt_err("Failed to add engine group rc=%d", rc);
  80                         goto dev_fini;
  81                 }
  82
  83                 /* Create security context */
  84                 rc = cnxk_crypto_sec_ctx_create(dev);
  85                 if (rc)
  86                         goto dev_fini;
  87         }
  88
  89         cnxk_cpt_caps_populate(vf);
  90
  91         dev->dev_ops = &cn10k_cpt_ops;
  92         dev->driver_id = cn10k_cryptodev_driver_id;
  93         dev->feature_flags = cnxk_cpt_default_ff_get();
  94
  95         cn10k_cpt_set_enqdeq_fns(dev);
  96         cn10k_sec_ops_override();
  97
  98         return 0;
  99
 100 dev_fini:
 101         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 102                 roc_cpt_dev_fini(roc_cpt);
 103 pmd_destroy:
 104         rte_cryptodev_pmd_destroy(dev);
 105 exit:
 106         plt_err("Could not create device (vendor_id: 0x%x device_id: 0x%x)",
 107                 pci_dev->id.vendor_id, pci_dev->id.device_id);
 108         return rc;
 109 }
 110
 111 static int
 112 cn10k_cpt_pci_remove(struct rte_pci_device *pci_dev)
 113 {
 114         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
 115         struct rte_cryptodev *dev;
 116         struct cnxk_cpt_vf *vf;
 117         int ret;
 118
 119         if (pci_dev == NULL)
 120                 return -EINVAL;
 121
 122         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
 123
 124         dev = rte_cryptodev_pmd_get_named_dev(name);
 125         if (dev == NULL)
 126                 return -ENODEV;
 127
 128         /* Destroy security context */
 129         cnxk_crypto_sec_ctx_destroy(dev);
 130
 131         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 132                 vf = dev->data->dev_private;
 133                 ret = roc_cpt_dev_fini(&vf->cpt);
 134                 if (ret)
 135                         return ret;
 136         }
 137
 138         return rte_cryptodev_pmd_destroy(dev);
 139 }
 140
 141 static struct rte_pci_driver cn10k_cryptodev_pmd = {
 142         .id_table = pci_id_cpt_table,
 143         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA,
 144         .probe = cn10k_cpt_pci_probe,
 145         .remove = cn10k_cpt_pci_remove,
 146 };
 147
 148 static struct cryptodev_driver cn10k_cryptodev_drv;
 149
 150 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_CN10K_PMD, cn10k_cryptodev_pmd);
 151 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_CN10K_PMD, pci_id_cpt_table);
 152 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_CN10K_PMD, "vfio-pci");
 153 RTE_PMD_REGISTER_CRYPTO_DRIVER(cn10k_cryptodev_drv, cn10k_cryptodev_pmd.driver,
 154                                cn10k_cryptodev_driver_id);