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
otx_cpt_pci_probe(struct rte_pci_driver * pci_drv,struct rte_pci_device * pci_dev)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
otx_cpt_pci_remove(struct rte_pci_device * pci_dev)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