xref: /dpdk/drivers/crypto/octeontx/otx_cryptodev.c (revision 25d11a86c56d50947af33d0b79ede622809bd8b9)
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 /* CPT common headers */
13 #include "cpt_pmd_logs.h"
14 
15 #include "otx_cryptodev.h"
16 #include "otx_cryptodev_ops.h"
17 
18 static int otx_cryptodev_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 void
31 otx_cpt_logtype_init(void)
32 {
33 	cpt_logtype = otx_cryptodev_logtype;
34 }
35 
36 static int
37 otx_cpt_pci_probe(struct rte_pci_driver *pci_drv,
38 			struct rte_pci_device *pci_dev)
39 {
40 	struct rte_cryptodev *cryptodev;
41 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
42 	int retval;
43 
44 	if (pci_drv == NULL)
45 		return -ENODEV;
46 
47 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
48 
49 	cryptodev = rte_cryptodev_pmd_allocate(name, rte_socket_id());
50 	if (cryptodev == NULL)
51 		return -ENOMEM;
52 
53 	cryptodev->device = &pci_dev->device;
54 	cryptodev->device->driver = &pci_drv->driver;
55 	cryptodev->driver_id = otx_cryptodev_driver_id;
56 
57 	/* init user callbacks */
58 	TAILQ_INIT(&(cryptodev->link_intr_cbs));
59 
60 	/* init logtype used in common */
61 	otx_cpt_logtype_init();
62 
63 	/* Invoke PMD device initialization function */
64 	retval = otx_cpt_dev_create(cryptodev);
65 	if (retval == 0)
66 		return 0;
67 
68 	CPT_LOG_ERR("[DRV %s]: Failed to create device "
69 			"(vendor_id: 0x%x device_id: 0x%x",
70 			pci_drv->driver.name,
71 			(unsigned int) pci_dev->id.vendor_id,
72 			(unsigned int) pci_dev->id.device_id);
73 
74 	cryptodev->attached = RTE_CRYPTODEV_DETACHED;
75 
76 	return -ENXIO;
77 }
78 
79 static int
80 otx_cpt_pci_remove(struct rte_pci_device *pci_dev)
81 {
82 	struct rte_cryptodev *cryptodev;
83 	char name[RTE_CRYPTODEV_NAME_MAX_LEN];
84 
85 	if (pci_dev == NULL)
86 		return -EINVAL;
87 
88 	rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
89 
90 	cryptodev = rte_cryptodev_pmd_get_named_dev(name);
91 	if (cryptodev == NULL)
92 		return -ENODEV;
93 
94 	if (pci_dev->driver == NULL)
95 		return -ENODEV;
96 
97 	/* free crypto device */
98 	rte_cryptodev_pmd_release_device(cryptodev);
99 
100 	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
101 		rte_free(cryptodev->data->dev_private);
102 
103 	cryptodev->device->driver = NULL;
104 	cryptodev->device = NULL;
105 	cryptodev->data = NULL;
106 
107 	/* free metapool memory */
108 	cleanup_global_resources();
109 
110 	return 0;
111 }
112 
113 static struct rte_pci_driver otx_cryptodev_pmd = {
114 	.id_table = pci_id_cpt_table,
115 	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
116 	.probe = otx_cpt_pci_probe,
117 	.remove = otx_cpt_pci_remove,
118 };
119 
120 static struct cryptodev_driver otx_cryptodev_drv;
121 
122 RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_OCTEONTX_PMD, otx_cryptodev_pmd);
123 RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_OCTEONTX_PMD, pci_id_cpt_table);
124 RTE_PMD_REGISTER_CRYPTO_DRIVER(otx_cryptodev_drv, otx_cryptodev_pmd.driver,
125 		otx_cryptodev_driver_id);
126 
127 RTE_INIT(otx_cpt_init_log)
128 {
129 	/* Bus level logs */
130 	otx_cryptodev_logtype = rte_log_register("pmd.crypto.octeontx");
131 	if (otx_cryptodev_logtype >= 0)
132 		rte_log_set_level(otx_cryptodev_logtype, RTE_LOG_NOTICE);
133 }
134