New upstream version 18.02
[deb_dpdk.git] / drivers / bus / dpaa / dpaa_bus.c
index 1cc8c89..f2bb3b1 100644 (file)
@@ -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>
 #include <rte_eal.h>
 #include <rte_alarm.h>
 #include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_malloc.h>
 #include <rte_ring.h>
 #include <rte_bus.h>
+#include <rte_mbuf_pool_ops.h>
 
 #include <rte_dpaa_bus.h>
 #include <rte_dpaa_logs.h>
@@ -70,6 +45,7 @@
 int dpaa_logtype_bus;
 int dpaa_logtype_mempool;
 int dpaa_logtype_pmd;
+int dpaa_logtype_eventdev;
 
 struct rte_dpaa_bus rte_dpaa_bus;
 struct netcfg_info *dpaa_netcfg;
@@ -77,18 +53,63 @@ struct netcfg_info *dpaa_netcfg;
 /* define a variable to hold the portal_key, once created.*/
 pthread_key_t dpaa_portal_key;
 
-RTE_DEFINE_PER_LCORE(bool, _dpaa_io);
+unsigned int dpaa_svr_family;
 
-static inline void
-dpaa_add_to_device_list(struct rte_dpaa_device *dev)
+RTE_DEFINE_PER_LCORE(bool, dpaa_io);
+RTE_DEFINE_PER_LCORE(struct dpaa_portal_dqrr, held_bufs);
+
+static int
+compare_dpaa_devices(struct rte_dpaa_device *dev1,
+                    struct rte_dpaa_device *dev2)
 {
-       TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+       int comp = 0;
+
+       /* Segragating ETH from SEC devices */
+       if (dev1->device_type > dev2->device_type)
+               comp = 1;
+       else if (dev1->device_type < dev2->device_type)
+               comp = -1;
+       else
+               comp = 0;
+
+       if ((comp != 0) || (dev1->device_type != FSL_DPAA_ETH))
+               return comp;
+
+       if (dev1->id.fman_id > dev2->id.fman_id) {
+               comp = 1;
+       } else if (dev1->id.fman_id < dev2->id.fman_id) {
+               comp = -1;
+       } else {
+               /* FMAN ids match, check for mac_id */
+               if (dev1->id.mac_id > dev2->id.mac_id)
+                       comp = 1;
+               else if (dev1->id.mac_id < dev2->id.mac_id)
+                       comp = -1;
+               else
+                       comp = 0;
+       }
+
+       return comp;
 }
 
 static inline void
-dpaa_remove_from_device_list(struct rte_dpaa_device *dev)
+dpaa_add_to_device_list(struct rte_dpaa_device *newdev)
 {
-       TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, dev, next);
+       int comp, inserted = 0;
+       struct rte_dpaa_device *dev = NULL;
+       struct rte_dpaa_device *tdev = NULL;
+
+       TAILQ_FOREACH_SAFE(dev, &rte_dpaa_bus.device_list, next, tdev) {
+               comp = compare_dpaa_devices(newdev, dev);
+               if (comp < 0) {
+                       TAILQ_INSERT_BEFORE(dev, newdev, next);
+                       inserted = 1;
+                       break;
+               }
+       }
+
+       if (!inserted)
+               TAILQ_INSERT_TAIL(&rte_dpaa_bus.device_list, newdev, next);
 }
 
 /*
@@ -204,9 +225,7 @@ dpaa_clean_device_list(void)
        }
 }
 
-/** XXX move this function into a separate file */
-static int
-_dpaa_portal_init(void *arg)
+int rte_dpaa_portal_init(void *arg)
 {
        cpu_set_t cpuset;
        pthread_t id;
@@ -277,26 +296,41 @@ _dpaa_portal_init(void *arg)
                return ret;
        }
 
-       RTE_PER_LCORE(_dpaa_io) = true;
+       RTE_PER_LCORE(dpaa_io) = true;
 
        DPAA_BUS_LOG(DEBUG, "QMAN thread initialized");
 
        return 0;
 }
 
-/*
- * rte_dpaa_portal_init - Wrapper over _dpaa_portal_init with thread level check
- * XXX Complete this
- */
 int
-rte_dpaa_portal_init(void *arg)
+rte_dpaa_portal_fq_init(void *arg, struct qman_fq *fq)
 {
-       if (unlikely(!RTE_PER_LCORE(_dpaa_io)))
-               return _dpaa_portal_init(arg);
+       /* Affine above created portal with channel*/
+       u32 sdqcr;
+       struct qman_portal *qp;
+
+       if (unlikely(!RTE_PER_LCORE(dpaa_io)))
+               rte_dpaa_portal_init(arg);
+
+       /* Initialise qman specific portals */
+       qp = fsl_qman_portal_create();
+       if (!qp) {
+               DPAA_BUS_LOG(ERR, "Unable to alloc fq portal");
+               return -1;
+       }
+       fq->qp = qp;
+       sdqcr = QM_SDQCR_CHANNELS_POOL_CONV(fq->ch_id);
+       qman_static_dequeue_add(sdqcr, qp);
 
        return 0;
 }
 
+int rte_dpaa_portal_fq_close(struct qman_fq *fq)
+{
+       return fsl_qman_portal_destroy(fq->qp);
+}
+
 void
 dpaa_portal_finish(void *arg)
 {
@@ -315,7 +349,7 @@ dpaa_portal_finish(void *arg)
        rte_free(dpaa_io_portal);
        dpaa_io_portal = NULL;
 
-       RTE_PER_LCORE(_dpaa_io) = false;
+       RTE_PER_LCORE(dpaa_io) = false;
 }
 
 #define DPAA_DEV_PATH1 "/sys/devices/platform/soc/soc:fsl,dpaa"
@@ -443,6 +477,8 @@ rte_dpaa_bus_probe(void)
        int ret = -1;
        struct rte_dpaa_device *dev;
        struct rte_dpaa_driver *drv;
+       FILE *svr_file = NULL;
+       unsigned int svr_ver;
 
        BUS_INIT_FUNC_TRACE();
 
@@ -459,9 +495,24 @@ rte_dpaa_bus_probe(void)
                        ret = drv->probe(drv, dev);
                        if (ret)
                                DPAA_BUS_ERR("Unable to probe.\n");
+
                        break;
                }
        }
+
+       /* Register DPAA mempool ops only if any DPAA device has
+        * been detected.
+        */
+       if (!TAILQ_EMPTY(&rte_dpaa_bus.device_list))
+               rte_mbuf_set_platform_mempool_ops(DPAA_MEMPOOL_OPS_NAME);
+
+       svr_file = fopen(DPAA_SOC_ID_FILE, "r");
+       if (svr_file) {
+               if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
+                       dpaa_svr_family = svr_ver & SVR_MASK;
+               fclose(svr_file);
+       }
+
        return 0;
 }
 
@@ -490,6 +541,10 @@ rte_dpaa_find_device(const struct rte_device *start, rte_dev_cmp_t cmp,
 static enum rte_iova_mode
 rte_dpaa_get_iommu_class(void)
 {
+       if ((access(DPAA_DEV_PATH1, F_OK) != 0) &&
+           (access(DPAA_DEV_PATH2, F_OK) != 0)) {
+               return RTE_IOVA_DC;
+       }
        return RTE_IOVA_PA;
 }
 
@@ -522,4 +577,8 @@ dpaa_init_log(void)
        dpaa_logtype_pmd = rte_log_register("pmd.dpaa");
        if (dpaa_logtype_pmd >= 0)
                rte_log_set_level(dpaa_logtype_pmd, RTE_LOG_NOTICE);
+
+       dpaa_logtype_eventdev = rte_log_register("eventdev.dpaa");
+       if (dpaa_logtype_eventdev >= 0)
+               rte_log_set_level(dpaa_logtype_eventdev, RTE_LOG_NOTICE);
 }