drivers: use SPDX tag in NXP dpaa files

[dpdk.git] / drivers / bus / dpaa / dpaa_bus.c

diff --git a/drivers/bus/dpaa/dpaa_bus.c b/drivers/bus/dpaa/dpaa_bus.c
index 8017df3..79f4858 100644 (file)
--- a/drivers/bus/dpaa/dpaa_bus.c
+++ b/drivers/bus/dpaa/dpaa_bus.c
@@ -1,33 +1,7 @@
-/*-
- *   BSD LICENSE
+/* SPDX-License-Identifier: BSD-3-Clause
  *
- *   Copyright 2017 NXP.
+ *   Copyright 2017 NXP
  *
- *   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 NXP 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.
  */
 /* System headers */
 #include <stdio.h>
@@ -40,7 +14,6 @@
 #include <sys/types.h>
 #include <sys/syscall.h>
 
-#include <rte_config.h>
 #include <rte_byteorder.h>
 #include <rte_common.h>
 #include <rte_interrupts.h>
@@ -50,7 +23,6 @@
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
 #include <rte_memory.h>
-#include <rte_memzone.h>
 #include <rte_tailq.h>
 #include <rte_eal.h>
 #include <rte_alarm.h>
@@ -70,6 +42,8 @@
 #include <netcfg.h>
 
 int dpaa_logtype_bus;
+int dpaa_logtype_mempool;
+int dpaa_logtype_pmd;
 
 struct rte_dpaa_bus rte_dpaa_bus;
 struct netcfg_info *dpaa_netcfg;
@@ -91,6 +65,22 @@ dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
        TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
 }
 
+/*
+ * Reads the SEC device from DTS
+ * Returns -1 if SEC devices not available, 0 otherwise
+ */
+static inline int
+dpaa_sec_available(void)
+{
+       const struct device_node *caam_node;
+
+       for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
+               return 0;
+       }
+
+       return -1;
+}
+
 static void dpaa_clean_device_list(void);
 
 static int
@@ -132,6 +122,42 @@ dpaa_create_device_list(void)
 
        rte_dpaa_bus.device_count = i;
 
+       /* Unlike case of ETH, RTE_LIBRTE_DPAA_MAX_CRYPTODEV SEC devices are
+        * constantly created only if "sec" property is found in the device
+        * tree. Logically there is no limit for number of devices (QI
+        * interfaces) that can be created.
+        */
+
+       if (dpaa_sec_available()) {
+               DPAA_BUS_LOG(INFO, "DPAA SEC devices are not available");
+               return 0;
+       }
+
+       /* Creating SEC Devices */
+       for (i = 0; i < RTE_LIBRTE_DPAA_MAX_CRYPTODEV; i++) {
+               dev = calloc(1, sizeof(struct rte_dpaa_device));
+               if (!dev) {
+                       DPAA_BUS_LOG(ERR, "Failed to allocate SEC devices");
+                       ret = -1;
+                       goto cleanup;
+               }
+
+               dev->device_type = FSL_DPAA_CRYPTO;
+               dev->id.dev_id = rte_dpaa_bus.device_count + i;
+
+               /* Even though RTE_CRYPTODEV_NAME_MAX_LEN is valid length of
+                * crypto PMD, using RTE_ETH_NAME_MAX_LEN as that is the size
+                * allocated for dev->name/
+                */
+               memset(dev->name, 0, RTE_ETH_NAME_MAX_LEN);
+               sprintf(dev->name, "dpaa-sec%d", i);
+               DPAA_BUS_LOG(DEBUG, "Device added: %s", dev->name);
+
+               dpaa_add_to_device_list(dev);
+       }
+
+       rte_dpaa_bus.device_count += i;
+
        return 0;
 
 cleanup:
@@ -432,11 +458,21 @@ rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
        return NULL;
 }
 
+/*
+ * Get iommu class of DPAA2 devices on the bus.
+ */
+static enum rte_iova_mode
+rte_dpaa_get_iommu_class(void)
+{
+       return RTE_IOVA_PA;
+}
+
 struct rte_dpaa_bus rte_dpaa_bus = {
        .bus = {
                .scan = rte_dpaa_bus_scan,
                .probe = rte_dpaa_bus_probe,
                .find_device = rte_dpaa_find_device,
+               .get_iommu_class = rte_dpaa_get_iommu_class,
        },
        .device_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.device_list),
        .driver_list = TAILQ_HEAD_INITIALIZER(rte_dpaa_bus.driver_list),
@@ -452,4 +488,12 @@ dpaa_init_log(void)
        dpaa_logtype_bus = rte_log_register("bus.dpaa");
        if (dpaa_logtype_bus >= 0)
                rte_log_set_level(dpaa_logtype_bus, RTE_LOG_NOTICE);
+
+       dpaa_logtype_mempool = rte_log_register("mempool.dpaa");
+       if (dpaa_logtype_mempool >= 0)
+               rte_log_set_level(dpaa_logtype_mempool, RTE_LOG_NOTICE);
+
+       dpaa_logtype_pmd = rte_log_register("pmd.dpaa");
+       if (dpaa_logtype_pmd >= 0)
+               rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);
 }