Imported Upstream version 16.04

[deb_dpdk.git] / drivers / crypto / qat / rte_qat_cryptodev.c

diff --git a/drivers/crypto/qat/rte_qat_cryptodev.c b/drivers/crypto/qat/rte_qat_cryptodev.c
new file mode 100644 (file)
index 0000000..a7912f5
--- /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);