diff options
Diffstat (limited to 'drivers/crypto/qat/rte_qat_cryptodev.c')
| -rw-r--r-- | drivers/crypto/qat/rte_qat_cryptodev.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/crypto/qat/rte_qat_cryptodev.c b/drivers/crypto/qat/rte_qat_cryptodev.c new file mode 100644 index 00000000..a7912f5a --- /dev/null +++ b/drivers/crypto/qat/rte_qat_cryptodev.c @@ -0,0 +1,140 @@ +/*- + * 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[] = { + { + .vendor_id = 0x8086, + .device_id = 0x0443, + .subsystem_vendor_id = PCI_ANY_ID, + .subsystem_device_id = PCI_ANY_ID + }, + {.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 = { + { + .name = "rte_qat_pmd", + .id_table = pci_id_qat_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + }, + .cryptodev_init = crypto_qat_dev_init, + .dev_private_size = sizeof(struct qat_pmd_private), +}; + +static int +rte_qat_pmd_init(const char *name __rte_unused, const char *params __rte_unused) +{ + PMD_INIT_FUNC_TRACE(); + return rte_cryptodev_pmd_driver_register(&rte_qat_pmd, PMD_PDEV); +} + +static struct rte_driver pmd_qat_drv = { + .type = PMD_PDEV, + .init = rte_qat_pmd_init, +}; + +PMD_REGISTER_DRIVER(pmd_qat_drv); |