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/*-
* BSD LICENSE
*
* Copyright(c) 2015-2017 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_bus_pci.h>
#include <rte_common.h>
#include <rte_dev.h>
#include <rte_malloc.h>
#include <rte_pci.h>
#include <rte_cryptodev_pmd.h>
#include "qat_crypto.h"
#include "qat_logs.h"
uint8_t cryptodev_qat_driver_id;
static const struct rte_cryptodev_capabilities qat_gen1_capabilities[] = {
QAT_BASE_GEN1_SYM_CAPABILITIES,
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
static const struct rte_cryptodev_capabilities qat_gen2_capabilities[] = {
QAT_BASE_GEN1_SYM_CAPABILITIES,
QAT_EXTRA_GEN2_SYM_CAPABILITIES,
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};
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_clear = qat_crypto_sym_clear_session
};
/*
* The set of PCI devices this driver supports
*/
static const struct rte_pci_id pci_id_qat_map[] = {
{
RTE_PCI_DEVICE(0x8086, 0x0443),
},
{
RTE_PCI_DEVICE(0x8086, 0x37c9),
},
{
RTE_PCI_DEVICE(0x8086, 0x19e3),
},
{
RTE_PCI_DEVICE(0x8086, 0x6f55),
},
{.device_id = 0},
};
static int
crypto_qat_create(const char *name, struct rte_pci_device *pci_dev,
struct rte_cryptodev_pmd_init_params *init_params)
{
struct rte_cryptodev *cryptodev;
struct qat_pmd_private *internals;
PMD_INIT_FUNC_TRACE();
cryptodev = rte_cryptodev_pmd_create(name, &pci_dev->device,
init_params);
if (cryptodev == NULL)
return -ENODEV;
cryptodev->driver_id = cryptodev_qat_driver_id;
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 |
RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
internals = cryptodev->data->dev_private;
internals->max_nb_sessions = init_params->max_nb_sessions;
switch (pci_dev->id.device_id) {
case 0x0443:
internals->qat_dev_gen = QAT_GEN1;
internals->qat_dev_capabilities = qat_gen1_capabilities;
break;
case 0x37c9:
case 0x19e3:
case 0x6f55:
internals->qat_dev_gen = QAT_GEN2;
internals->qat_dev_capabilities = qat_gen2_capabilities;
break;
default:
PMD_DRV_LOG(ERR,
"Invalid dev_id, can't determine capabilities");
break;
}
/*
* 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 int crypto_qat_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
struct rte_cryptodev_pmd_init_params init_params = {
.name = "",
.socket_id = rte_socket_id(),
.private_data_size = sizeof(struct qat_pmd_private),
.max_nb_sessions = RTE_QAT_PMD_MAX_NB_SESSIONS
};
char name[RTE_CRYPTODEV_NAME_MAX_LEN];
PMD_DRV_LOG(DEBUG, "Found QAT device at %02x:%02x.%x",
pci_dev->addr.bus,
pci_dev->addr.devid,
pci_dev->addr.function);
rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
return crypto_qat_create(name, pci_dev, &init_params);
}
static int crypto_qat_pci_remove(struct rte_pci_device *pci_dev)
{
struct rte_cryptodev *cryptodev;
char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
if (pci_dev == NULL)
return -EINVAL;
rte_pci_device_name(&pci_dev->addr, cryptodev_name,
sizeof(cryptodev_name));
cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name);
if (cryptodev == NULL)
return -ENODEV;
/* free crypto device */
return rte_cryptodev_pmd_destroy(cryptodev);
}
static struct rte_pci_driver rte_qat_pmd = {
.id_table = pci_id_qat_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.probe = crypto_qat_pci_probe,
.remove = crypto_qat_pci_remove
};
static struct cryptodev_driver qat_crypto_drv;
RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_QAT_SYM_PMD, rte_qat_pmd);
RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_QAT_SYM_PMD, pci_id_qat_map);
RTE_PMD_REGISTER_CRYPTO_DRIVER(qat_crypto_drv, rte_qat_pmd,
cryptodev_qat_driver_id);
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