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Diffstat (limited to 'drivers/crypto/qat/rte_qat_cryptodev.c')
-rw-r--r--drivers/crypto/qat/rte_qat_cryptodev.c140
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);