summaryrefslogtreecommitdiff
path: root/drivers/crypto/qat/rte_qat_cryptodev.c
blob: 1e7ee61c14615a4cd9e763a7b65635636cdd454f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <rte_common.h>
#include <rte_dev.h>
#include <rte_malloc.h>
#include <rte_cryptodev_pmd.h>

#include "qat_crypto.h"
#include "qat_logs.h"

static struct rte_cryptodev_ops crypto_qat_ops = {

		/* Device related operations */
		.dev_configure		= qat_dev_config,
		.dev_start		= qat_dev_start,
		.dev_stop		= qat_dev_stop,
		.dev_close		= qat_dev_close,
		.dev_infos_get		= qat_dev_info_get,

		.stats_get		= qat_crypto_sym_stats_get,
		.stats_reset		= qat_crypto_sym_stats_reset,
		.queue_pair_setup	= qat_crypto_sym_qp_setup,
		.queue_pair_release	= qat_crypto_sym_qp_release,
		.queue_pair_start	= NULL,
		.queue_pair_stop	= NULL,
		.queue_pair_count	= NULL,

		/* Crypto related operations */
		.session_get_size	= qat_crypto_sym_get_session_private_size,
		.session_configure	= qat_crypto_sym_configure_session,
		.session_initialize	= qat_crypto_sym_session_init,
		.session_clear		= qat_crypto_sym_clear_session
};

/*
 * The set of PCI devices this driver supports
 */

static struct rte_pci_id pci_id_qat_map[] = {
		{
			RTE_PCI_DEVICE(0x8086, 0x0443),
		},
		{
			RTE_PCI_DEVICE(0x8086, 0x37c9),
		},
		{
			RTE_PCI_DEVICE(0x8086, 0x19e3),
		},
		{.device_id = 0},
};

static int
crypto_qat_dev_init(__attribute__((unused)) struct rte_cryptodev_driver *crypto_drv,
			struct rte_cryptodev *cryptodev)
{
	struct qat_pmd_private *internals;

	PMD_INIT_FUNC_TRACE();
	PMD_DRV_LOG(DEBUG, "Found crypto device at %02x:%02x.%x",
		cryptodev->pci_dev->addr.bus,
		cryptodev->pci_dev->addr.devid,
		cryptodev->pci_dev->addr.function);

	cryptodev->dev_type = RTE_CRYPTODEV_QAT_SYM_PMD;
	cryptodev->dev_ops = &crypto_qat_ops;

	cryptodev->enqueue_burst = qat_pmd_enqueue_op_burst;
	cryptodev->dequeue_burst = qat_pmd_dequeue_op_burst;

	cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
			RTE_CRYPTODEV_FF_HW_ACCELERATED |
			RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;

	internals = cryptodev->data->dev_private;
	internals->max_nb_sessions = RTE_QAT_PMD_MAX_NB_SESSIONS;

	/*
	 * For secondary processes, we don't initialise any further as primary
	 * has already done this work. Only check we don't need a different
	 * RX function
	 */
	if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
		PMD_DRV_LOG(DEBUG, "Device already initialised by primary process");
		return 0;
	}

	return 0;
}

static struct rte_cryptodev_driver rte_qat_pmd = {
	.pci_drv = {
		.id_table = pci_id_qat_map,
		.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
		.probe = rte_cryptodev_pci_probe,
		.remove = rte_cryptodev_pci_remove,
	},
	.cryptodev_init = crypto_qat_dev_init,
	.dev_private_size = sizeof(struct qat_pmd_private),
};

RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_QAT_SYM_PMD, rte_qat_pmd.pci_drv);
RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_QAT_SYM_PMD, pci_id_qat_map);