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 /* CPT common headers */
  13 #include "cpt_pmd_logs.h"
  14
  15 #include "otx_cryptodev.h"
  16 #include "otx_cryptodev_ops.h"
  17
  18 static int otx_cryptodev_logtype;
  19
  20 static struct rte_pci_id pci_id_cpt_table[] = {
  21         {
  22                 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID),
  23         },
  24         /* sentinel */
  25         {
  26                 .device_id = 0
  27         },
  28 };
  29
  30 static void
  31 otx_cpt_logtype_init(void)
  32 {
  33         cpt_logtype = otx_cryptodev_logtype;
  34 }
  35
  36 static int
  37 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv,
  38                         struct rte_pci_device *pci_dev)
  39 {
  40         struct rte_cryptodev *cryptodev;
  41         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  42         int retval;
  43
  44         if (pci_drv == NULL)
  45                 return -ENODEV;
  46
  47         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  48
  49         cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id());
  50         if (cryptodev == NULL)
  51                 return -ENOMEM;
  52
  53         cryptodev->device = &pci_dev->device;
  54         cryptodev->device->driver = &pci_drv->driver;
  55         cryptodev->driver_id = otx_cryptodev_driver_id;
  56
  57         /* init user callbacks */
  58         TAILQ_INIT(&(cryptodev->link_intr_cbs));
  59
  60         /* init logtype used in common */
  61         otx_cpt_logtype_init();
  62
  63         /* Invoke PMD device initialization function */
  64         retval = otx_cpt_dev_create(cryptodev);
  65         if (retval == 0)
  66                 return 0;
  67
  68         CPT_LOG_ERR("[DRV %s]: Failed to create device "
  69                         "(vendor_id: 0x%x device_id: 0x%x",
  70                         pci_drv->driver.name,
  71                         (unsigned int) pci_dev->id.vendor_id,
  72                         (unsigned int) pci_dev->id.device_id);
  73
  74         cryptodev->attached = RTE_CRYPTODEV_DETACHED;
  75
  76         return -ENXIO;
  77 }
  78
  79 static int
  80 otx_cpt_pci_remove(struct rte_pci_device *pci_dev)
  81 {
  82         struct rte_cryptodev *cryptodev;
  83         char name[RTE_CRYPTODEV_NAME_MAX_LEN];
  84
  85         if (pci_dev == NULL)
  86                 return -EINVAL;
  87
  88         rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
  89
  90         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
  91         if (cryptodev == NULL)
  92                 return -ENODEV;
  93
  94         if (pci_dev->driver == NULL)
  95                 return -ENODEV;
  96
  97         /* free crypto device */
  98         rte_cryptodev_pmd_release_device(cryptodev);
  99
 100         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
 101                 rte_free(cryptodev->data->dev_private);
 102
 103         cryptodev->device = NULL;
 104         cryptodev->device->driver = NULL;
 105         cryptodev->data = NULL;
 106
 107         /* free metapool memory */
 108         cleanup_global_resources();
 109
 110         return 0;
 111 }
 112
 113 static struct rte_pci_driver otx_cryptodev_pmd = {
 114         .id_table = pci_id_cpt_table,
 115         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 116         .probe = otx_cpt_pci_probe,
 117         .remove = otx_cpt_pci_remove,
 118 };
 119
 120 static struct cryptodev_driver otx_cryptodev_drv;
 121
 122 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd);
 123 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table);
 124 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver,
 125                 otx_cryptodev_driver_id);
 126
 127 RTE_INIT(otx_cpt_init_log)
 128 {
 129         /* Bus level logs */
 130         otx_cryptodev_logtype = rte_log_register("pmd.crypto.octeontx");
 131         if (otx_cryptodev_logtype >= 0)
 132                 rte_log_set_level(otx_cryptodev_logtype, RTE_LOG_NOTICE);
 133 }