drivers/crypto/octeontx/otx_cryptodev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #include <rte_bus_pci.h>
   6 #include <rte_common.h>
   7 #include <rte_cryptodev.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_log.h>
  10 #include <rte_pci.h>
  11
  12 #include "otx_cryptodev.h"
  13 #include "otx_cryptodev_ops.h"
  14
  15 #include "cpt_pmd_logs.h"
  16
  17 uint8_t otx_cryptodev_driver_id;
  18
  19 static struct rte_pci_id pci_id_cpt_table[] = {
  20         {
  21                 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID),
  22         },
  23         /* sentinel */
  24         {
  25                 .device_id = 0
  26         },
  27 };
  28
  29 static int
  30 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv,
  31                         struct rte_pci_device *pci_dev)
  32 {
  33         struct rte_cryptodev *cryptodev;
  34         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  35         int retval;
  36
  37         if (pci_drv == NULL)
  38                 return -ENODEV;
  39
  40         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  41
  42         cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id());
  43         if (cryptodev == NULL)
  44                 return -ENOMEM;
  45
  46         cryptodev->device = &pci_dev->device;
  47         cryptodev->device->driver = &pci_drv->driver;
  48         cryptodev->driver_id = otx_cryptodev_driver_id;
  49
  50         /* init user callbacks */
  51         TAILQ_INIT(&(cryptodev->link_intr_cbs));
  52
  53         /* Invoke PMD device initialization function */
  54         retval = otx_cpt_dev_create(cryptodev);
  55         if (retval == 0)
  56                 return 0;
  57
  58         CPT_LOG_ERR("[DRV %s]: Failed to create device "
  59                         "(vendor_id: 0x%x device_id: 0x%x",
  60                         pci_drv->driver.name,
  61                         (unsigned int) pci_dev->id.vendor_id,
  62                         (unsigned int) pci_dev->id.device_id);
  63
  64         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
  65
  66         return -ENXIO;
  67 }
  68
  69 static int
  70 otx_cpt_pci_remove(struct rte_pci_device *pci_dev)
  71 {
  72         struct rte_cryptodev *cryptodev;
  73         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  74
  75         if (pci_dev == NULL)
  76                 return -EINVAL;
  77
  78         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  79
  80         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
  81         if (cryptodev == NULL)
  82                 return -ENODEV;
  83
  84         if (pci_dev->driver == NULL)
  85                 return -ENODEV;
  86
  87         /* free crypto device */
  88         rte_cryptodev_pmd_release_device(cryptodev);
  89
  90         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
  91                 rte_free(cryptodev->data->dev_private);
  92
  93         cryptodev->device->driver = NULL;
  94         cryptodev->device = NULL;
  95         cryptodev->data = NULL;
  96
  97         return 0;
  98 }
  99
 100 static struct rte_pci_driver otx_cryptodev_pmd = {
 101         .id_table = pci_id_cpt_table,
 102         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 103         .probe = otx_cpt_pci_probe,
 104         .remove = otx_cpt_pci_remove,
 105 };
 106
 107 static struct cryptodev_driver otx_cryptodev_drv;
 108
 109 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd);
 110 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table);
 111 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_OCTEONTX_PMD, "vfio-pci");
 112 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver,
 113                 otx_cryptodev_driver_id);
 114 RTE_LOG_REGISTER(otx_cpt_logtype, pmd.crypto.octeontx, NOTICE);