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 <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 /* Device ID */ 18 #define PCI_VENDOR_ID_CAVIUM 0x177d 19 #define CPT_81XX_PCI_VF_DEVICE_ID 0xa041 20 21 uint8_t otx_cryptodev_driver_id; 22 23 static struct rte_pci_id pci_id_cpt_table[] = { 24 { 25 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID), 26 }, 27 /* sentinel */ 28 { 29 .device_id = 0 30 }, 31 }; 32 33 static int 34 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv, 35 struct rte_pci_device *pci_dev) 36 { 37 struct rte_cryptodev *cryptodev; 38 char name[RTE_CRYPTODEV_NAME_MAX_LEN]; 39 int retval; 40 41 if (pci_drv == NULL) 42 return -ENODEV; 43 44 rte_pci_device_name(&pci_dev->addr, name, sizeof(name)); 45 46 cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id()); 47 if (cryptodev == NULL) 48 return -ENOMEM; 49 50 cryptodev->device = &pci_dev->device; 51 cryptodev->device->driver = &pci_drv->driver; 52 cryptodev->driver_id = otx_cryptodev_driver_id; 53 54 /* init user callbacks */ 55 TAILQ_INIT(&(cryptodev->link_intr_cbs)); 56 57 /* Invoke PMD device initialization function */ 58 retval = otx_cpt_dev_create(cryptodev); 59 if (retval == 0) 60 return 0; 61 62 CPT_LOG_ERR("[DRV %s]: Failed to create device " 63 "(vendor_id: 0x%x device_id: 0x%x", 64 pci_drv->driver.name, 65 (unsigned int) pci_dev->id.vendor_id, 66 (unsigned int) pci_dev->id.device_id); 67 68 cryptodev->attached = RTE_CRYPTODEV_DETACHED; 69 70 return -ENXIO; 71 } 72 73 static int 74 otx_cpt_pci_remove(struct rte_pci_device *pci_dev) 75 { 76 struct rte_cryptodev *cryptodev; 77 char name[RTE_CRYPTODEV_NAME_MAX_LEN]; 78 void *dev_priv; 79 80 if (pci_dev == NULL) 81 return -EINVAL; 82 83 rte_pci_device_name(&pci_dev->addr, name, sizeof(name)); 84 85 cryptodev = rte_cryptodev_pmd_get_named_dev(name); 86 if (cryptodev == NULL) 87 return -ENODEV; 88 89 if (pci_dev->driver == NULL) 90 return -ENODEV; 91 92 dev_priv = cryptodev->data->dev_private; 93 94 /* free crypto device */ 95 rte_cryptodev_pmd_release_device(cryptodev); 96 97 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 98 rte_free(dev_priv); 99 100 cryptodev->device->driver = NULL; 101 cryptodev->device = NULL; 102 cryptodev->data = NULL; 103 104 return 0; 105 } 106 107 static struct rte_pci_driver otx_cryptodev_pmd = { 108 .id_table = pci_id_cpt_table, 109 .drv_flags = RTE_PCI_DRV_NEED_MAPPING, 110 .probe = otx_cpt_pci_probe, 111 .remove = otx_cpt_pci_remove, 112 }; 113 114 static struct cryptodev_driver otx_cryptodev_drv; 115 116 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd); 117 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table); 118 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_OCTEONTX_PMD, "vfio-pci"); 119 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver, 120 otx_cryptodev_driver_id); 121 RTE_LOG_REGISTER_DEFAULT(otx_cpt_logtype, NOTICE); 122