1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Cavium, Inc
3 */
4
5 #include <bus_pci_driver.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
otx_cpt_pci_probe(struct rte_pci_driver * pci_drv,struct rte_pci_device * pci_dev)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
otx_cpt_pci_remove(struct rte_pci_device * pci_dev)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