xref: /dpdk/drivers/crypto/octeontx/otx_cryptodev.c (revision 0964a95120fa024888fbc0ea5e34d1abef1b93dc)
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 int otx_cpt_logtype;
19 
20 static struct rte_pci_id pci_id_cpt_table[] = {
21 	{
22 		RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID),
23 	},
24 	/* sentinel */
25 	{
26 		.device_id = 0
27 	},
28 };
29 
30 static int
31 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv,
32 			struct rte_pci_device *pci_dev)
33 {
34 	struct rte_cryptodev *cryptodev;
35 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
36 	int retval;
37 
38 	if (pci_drv == NULL)
39 		return -ENODEV;
40 
41 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
42 
43 	cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id());
44 	if (cryptodev == NULL)
45 		return -ENOMEM;
46 
47 	cryptodev->device = &pci_dev->device;
48 	cryptodev->device->driver = &pci_drv->driver;
49 	cryptodev->driver_id = otx_cryptodev_driver_id;
50 
51 	/* init user callbacks */
52 	TAILQ_INIT(&(cryptodev->link_intr_cbs));
53 
54 	/* Invoke PMD device initialization function */
55 	retval = otx_cpt_dev_create(cryptodev);
56 	if (retval == 0)
57 		return 0;
58 
59 	CPT_LOG_ERR("[DRV %s]: Failed to create device "
60 			"(vendor_id: 0x%x device_id: 0x%x",
61 			pci_drv->driver.name,
62 			(unsigned int) pci_dev->id.vendor_id,
63 			(unsigned int) pci_dev->id.device_id);
64 
65 	cryptodev->attached = RTE_CRYPTODEV_DETACHED;
66 
67 	return -ENXIO;
68 }
69 
70 static int
71 otx_cpt_pci_remove(struct rte_pci_device *pci_dev)
72 {
73 	struct rte_cryptodev *cryptodev;
74 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
75 
76 	if (pci_dev == NULL)
77 		return -EINVAL;
78 
79 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
80 
81 	cryptodev = rte_cryptodev_pmd_get_named_dev(name);
82 	if (cryptodev == NULL)
83 		return -ENODEV;
84 
85 	if (pci_dev->driver == NULL)
86 		return -ENODEV;
87 
88 	/* free crypto device */
89 	rte_cryptodev_pmd_release_device(cryptodev);
90 
91 	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
92 		rte_free(cryptodev->data->dev_private);
93 
94 	cryptodev->device->driver = NULL;
95 	cryptodev->device = NULL;
96 	cryptodev->data = NULL;
97 
98 	return 0;
99 }
100 
101 static struct rte_pci_driver otx_cryptodev_pmd = {
102 	.id_table = pci_id_cpt_table,
103 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
104 	.probe = otx_cpt_pci_probe,
105 	.remove = otx_cpt_pci_remove,
106 };
107 
108 static struct cryptodev_driver otx_cryptodev_drv;
109 
110 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd);
111 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table);
112 RTE_PMD_REGISTER_KMOD_DEP(CRYPTODEV_NAME_OCTEONTX_PMD, "vfio-pci");
113 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver,
114 		otx_cryptodev_driver_id);
115 
116 RTE_INIT(otx_cpt_init_log)
117 {
118 	/* Bus level logs */
119 	otx_cpt_logtype = rte_log_register("pmd.crypto.octeontx");
120 	if (otx_cpt_logtype >= 0)
121 		rte_log_set_level(otx_cpt_logtype, RTE_LOG_NOTICE);
122 }
123