drivers/crypto/cnxk/cn9k_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 "cn9k_cryptodev.h"
  14 #include "cn9k_cryptodev_ops.h"
  15 #include "cnxk_cryptodev.h"
  16 #include "cnxk_cryptodev_capabilities.h"
  17
  18 #include "roc_api.h"
  19
  20 uint8_t cn9k_cryptodev_driver_id;
  21
  22 static struct rte_pci_id pci_id_cpt_table[] = {
  23         {
  24                 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
  25                                PCI_DEVID_CN9K_RVU_CPT_VF)
  26         },
  27         /* sentinel */
  28         {
  29                 .device_id = 0
  30         },
  31 };
  32
  33 static int
  34 cn9k_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
  35                    struct rte_pci_device *pci_dev)
  36 {
  37         struct rte_cryptodev_pmd_init_params init_params = {
  38                 .name = "",
  39                 .socket_id = rte_socket_id(),
  40                 .private_data_size = sizeof(struct cnxk_cpt_vf)
  41         };
  42         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  43         struct rte_cryptodev *dev;
  44         struct roc_cpt *roc_cpt;
  45         struct cnxk_cpt_vf *vf;
  46         int rc;
  47
  48         rc = roc_plt_init();
  49         if (rc < 0) {
  50                 plt_err("Failed to initialize platform model");
  51                 return rc;
  52         }
  53
  54         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  55
  56         dev = rte_cryptodev_pmd_create(name, &pci_dev->device, &init_params);
  57         if (dev == NULL) {
  58                 rc = -ENODEV;
  59                 goto exit;
  60         }
  61
  62         /* Get private data space allocated */
  63         vf = dev->data->dev_private;
  64
  65         roc_cpt = &vf->cpt;
  66
  67         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
  68                 roc_cpt->pci_dev = pci_dev;
  69                 rc = roc_cpt_dev_init(roc_cpt);
  70                 if (rc) {
  71                         plt_err("Failed to initialize roc cpt rc=%d", rc);
  72                         goto pmd_destroy;
  73                 }
  74
  75                 rc = cnxk_cpt_eng_grp_add(roc_cpt);
  76                 if (rc) {
  77                         plt_err("Failed to add engine group rc=%d", rc);
  78                         goto dev_fini;
  79                 }
  80         }
  81
  82         dev->dev_ops = &cn9k_cpt_ops;
  83         dev->driver_id = cn9k_cryptodev_driver_id;
  84         dev->feature_flags = cnxk_cpt_default_ff_get();
  85
  86         cnxk_cpt_caps_populate(vf);
  87
  88         cn9k_cpt_set_enqdeq_fns(dev);
  89
  90         return 0;
  91
  92 dev_fini:
  93         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
  94                 roc_cpt_dev_fini(roc_cpt);
  95 pmd_destroy:
  96         rte_cryptodev_pmd_destroy(dev);
  97 exit:
  98         plt_err("Could not create device (vendor_id: 0x%x device_id: 0x%x)",
  99                 pci_dev->id.vendor_id, pci_dev->id.device_id);
 100         return rc;
 101 }
 102
 103 static int
 104 cn9k_cpt_pci_remove(struct rte_pci_device *pci_dev)
 105 {
 106         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
 107         struct rte_cryptodev *dev;
 108         struct cnxk_cpt_vf *vf;
 109         int ret;
 110
 111         if (pci_dev == NULL)
 112                 return -EINVAL;
 113
 114         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
 115
 116         dev = rte_cryptodev_pmd_get_named_dev(name);
 117         if (dev == NULL)
 118                 return -ENODEV;
 119
 120         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
 121                 vf = dev->data->dev_private;
 122                 ret = roc_cpt_dev_fini(&vf->cpt);
 123                 if (ret)
 124                         return ret;
 125         }
 126
 127         return rte_cryptodev_pmd_destroy(dev);
 128 }
 129
 130 static struct rte_pci_driver cn9k_cryptodev_pmd = {
 131         .id_table = pci_id_cpt_table,
 132         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA,
 133         .probe = cn9k_cpt_pci_probe,
 134         .remove = cn9k_cpt_pci_remove,
 135 };
 136
 137 static struct cryptodev_driver cn9k_cryptodev_drv;
 138
 139 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_CN9K_PMD, cn9k_cryptodev_pmd);
 140 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_CN9K_PMD, pci_id_cpt_table);
 141 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_CN9K_PMD, "vfio-pci");
 142 RTE_PMD_REGISTER_CRYPTO_DRIVER(cn9k_cryptodev_drv, cn9k_cryptodev_pmd.driver,
 143                                cn9k_cryptodev_driver_id);