app/eventdev: switch sequence number to dynamic mbuf field

[dpdk.git] / lib / librte_eventdev / rte_eventdev_pmd_pci.h

diff --git a/lib/librte_eventdev/rte_eventdev_pmd_pci.h b/lib/librte_eventdev/rte_eventdev_pmd_pci.h
index ade32b5..5f238bf 100644 (file)
--- a/lib/librte_eventdev/rte_eventdev_pmd_pci.h
+++ b/lib/librte_eventdev/rte_eventdev_pmd_pci.h
@@ -1,32 +1,5 @@
-/*
- *
- *   Copyright(c) 2016-2017 Cavium, Inc. 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 Cavium, Inc 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2017 Cavium, Inc
  */
 
 #ifndef _RTE_EVENTDEV_PMD_PCI_H_
@@ -47,6 +20,7 @@ extern "C" {
 
 #include <string.h>
 
+#include <rte_config.h>
 #include <rte_eal.h>
 #include <rte_lcore.h>
 #include <rte_pci.h>
@@ -58,28 +32,25 @@ typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
 
 /**
  * @internal
- * Wrapper for use by pci drivers as a .probe function to attach to a event
- * interface.
+ * Wrapper for use by pci drivers as a .probe function to attach to an event
+ * interface.  Same as rte_event_pmd_pci_probe, except caller can specify
+ * the name.
  */
+__rte_experimental
 static inline int
-rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
-                           struct rte_pci_device *pci_dev,
-                           size_t private_data_size,
-                           eventdev_pmd_pci_callback_t devinit)
+rte_event_pmd_pci_probe_named(struct rte_pci_driver *pci_drv,
+                             struct rte_pci_device *pci_dev,
+                             size_t private_data_size,
+                             eventdev_pmd_pci_callback_t devinit,
+                             const char *name)
 {
        struct rte_eventdev *eventdev;
-
-       char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
-
        int retval;
 
        if (devinit == NULL)
                return -EINVAL;
 
-       rte_pci_device_name(&pci_dev->addr, eventdev_name,
-                       sizeof(eventdev_name));
-
-       eventdev = rte_event_pmd_allocate(eventdev_name,
+       eventdev = rte_event_pmd_allocate(name,
                         pci_dev->device.numa_node);
        if (eventdev == NULL)
                return -ENOMEM;
@@ -114,6 +85,28 @@ rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
        return -ENXIO;
 }
 
+/**
+ * @internal
+ * Wrapper for use by pci drivers as a .probe function to attach to a event
+ * interface.
+ */
+static inline int
+rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
+                           struct rte_pci_device *pci_dev,
+                           size_t private_data_size,
+                           eventdev_pmd_pci_callback_t devinit)
+{
+       char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
+
+       rte_pci_device_name(&pci_dev->addr, eventdev_name,
+                       sizeof(eventdev_name));
+
+       return rte_event_pmd_pci_probe_named(pci_drv,
+                                            pci_dev,
+                                            private_data_size,
+                                            devinit,
+                                            eventdev_name);
+}
 
 /**
  * @internal
@@ -138,9 +131,11 @@ rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
        if (eventdev == NULL)
                return -ENODEV;
 
-       ret = rte_event_dev_close(eventdev->data->dev_id);
-       if (ret < 0)
-               return ret;
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+               ret = rte_event_dev_close(eventdev->data->dev_id);
+               if (ret < 0)
+                       return ret;
+       }
 
        /* Invoke PMD device un-init function */
        if (devuninit)