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); 115