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 <cryptodev_pmd.h> 8 #include <rte_log.h> 9 #include <rte_pci.h> 10 11 #include "otx_cryptodev.h" 12 #include "otx_cryptodev_ops.h" 13 14 #include "cpt_pmd_logs.h" 15 16 /* Device ID */ 17 #define PCI_VENDOR_ID_CAVIUM 0x177d 18 #define CPT_81XX_PCI_VF_DEVICE_ID 0xa041 19 20 uint8_t otx_cryptodev_driver_id; 21 22 static struct rte_pci_id pci_id_cpt_table[] = { 23 { 24 RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID), 25 }, 26 /* sentinel */ 27 { 28 .device_id = 0 29 }, 30 }; 31 32 static int 33 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv, 34 struct rte_pci_device *pci_dev) 35 { 36 struct rte_cryptodev *cryptodev; 37 char name[RTE_CRYPTODEV_NAME_MAX_LEN]; 38 int retval; 39 40 if (pci_drv == NULL) 41 return -ENODEV; 42 43 rte_pci_device_name(&pci_dev->addr, name, sizeof(name)); 44 45 cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id()); 46 if (cryptodev == NULL) 47 return -ENOMEM; 48 49 cryptodev->device = &pci_dev->device; 50 cryptodev->device->driver = &pci_drv->driver; 51 cryptodev->driver_id = otx_cryptodev_driver_id; 52 53 /* init user callbacks */ 54 TAILQ_INIT(&(cryptodev->link_intr_cbs)); 55 56 /* Invoke PMD device initialization function */ 57 retval = otx_cpt_dev_create(cryptodev); 58 if (retval == 0) { 59 rte_cryptodev_pmd_probing_finish(cryptodev); 60 return 0; 61 } 62 63 CPT_LOG_ERR("[DRV %s]: Failed to create device " 64 "(vendor_id: 0x%x device_id: 0x%x", 65 pci_drv->driver.name, 66 (unsigned int) pci_dev->id.vendor_id, 67 (unsigned int) pci_dev->id.device_id); 68 69 cryptodev->attached = RTE_CRYPTODEV_DETACHED; 70 71 return -ENXIO; 72 } 73 74 static int 75 otx_cpt_pci_remove(struct rte_pci_device *pci_dev) 76 { 77 struct rte_cryptodev *cryptodev; 78 char name[RTE_CRYPTODEV_NAME_MAX_LEN]; 79 void *dev_priv; 80 81 if (pci_dev == NULL) 82 return -EINVAL; 83 84 rte_pci_device_name(&pci_dev->addr, name, sizeof(name)); 85 86 cryptodev = rte_cryptodev_pmd_get_named_dev(name); 87 if (cryptodev == NULL) 88 return -ENODEV; 89 90 if (pci_dev->driver == NULL) 91 return -ENODEV; 92 93 dev_priv = cryptodev->data->dev_private; 94 95 /* free crypto device */ 96 rte_cryptodev_pmd_release_device(cryptodev); 97 98 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 99 rte_free(dev_priv); 100 101 cryptodev->device->driver = NULL; 102 cryptodev->device = NULL; 103 cryptodev->data = NULL; 104 105 return 0; 106 } 107 108 static struct rte_pci_driver otx_cryptodev_pmd = { 109 .id_table = pci_id_cpt_table, 110 .drv_flags = RTE_PCI_DRV_NEED_MAPPING, 111 .probe = otx_cpt_pci_probe, 112 .remove = otx_cpt_pci_remove, 113 }; 114 115 static struct cryptodev_driver otx_cryptodev_drv; 116 117 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd); 118 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table); 119 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_OCTEONTX_PMD, "vfio-pci"); 120 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver, 121 otx_cryptodev_driver_id); 122 RTE_LOG_REGISTER_DEFAULT(otx_cpt_logtype, NOTICE); 123