--- /dev/null
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * BSD LICENSE
+ *
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * 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 the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * 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 HOLDERS 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 <process.h>
+#include "dpaa_sys.h"
+
+struct process_interrupt {
+ int irq;
+ irqreturn_t (*isr)(int irq, void *arg);
+ unsigned long flags;
+ const char *name;
+ void *arg;
+ struct list_head node;
+};
+
+static COMPAT_LIST_HEAD(process_irq_list);
+static pthread_mutex_t process_irq_lock = PTHREAD_MUTEX_INITIALIZER;
+
+static void process_interrupt_install(struct process_interrupt *irq)
+{
+ int ret;
+ /* Add the irq to the end of the list */
+ ret = pthread_mutex_lock(&process_irq_lock);
+ assert(!ret);
+ list_add_tail(&irq->node, &process_irq_list);
+ ret = pthread_mutex_unlock(&process_irq_lock);
+ assert(!ret);
+}
+
+static void process_interrupt_remove(struct process_interrupt *irq)
+{
+ int ret;
+
+ ret = pthread_mutex_lock(&process_irq_lock);
+ assert(!ret);
+ list_del(&irq->node);
+ ret = pthread_mutex_unlock(&process_irq_lock);
+ assert(!ret);
+}
+
+static struct process_interrupt *process_interrupt_find(int irq_num)
+{
+ int ret;
+ struct process_interrupt *i = NULL;
+
+ ret = pthread_mutex_lock(&process_irq_lock);
+ assert(!ret);
+ list_for_each_entry(i, &process_irq_list, node) {
+ if (i->irq == irq_num)
+ goto done;
+ }
+done:
+ ret = pthread_mutex_unlock(&process_irq_lock);
+ assert(!ret);
+ return i;
+}
+
+/* This is the interface from the platform-agnostic driver code to (de)register
+ * interrupt handlers. We simply create/destroy corresponding structs.
+ */
+int qbman_request_irq(int irq, irqreturn_t (*isr)(int irq, void *arg),
+ unsigned long flags, const char *name,
+ void *arg __maybe_unused)
+{
+ struct process_interrupt *irq_node =
+ kmalloc(sizeof(*irq_node), GFP_KERNEL);
+
+ if (!irq_node)
+ return -ENOMEM;
+ irq_node->irq = irq;
+ irq_node->isr = isr;
+ irq_node->flags = flags;
+ irq_node->name = name;
+ irq_node->arg = arg;
+ process_interrupt_install(irq_node);
+ return 0;
+}
+
+int qbman_free_irq(int irq, __maybe_unused void *arg)
+{
+ struct process_interrupt *irq_node = process_interrupt_find(irq);
+
+ if (!irq_node)
+ return -EINVAL;
+ process_interrupt_remove(irq_node);
+ kfree(irq_node);
+ return 0;
+}
+
+/* This is the interface from the platform-specific driver code to obtain
+ * interrupt handlers that have been registered.
+ */
+void qbman_invoke_irq(int irq)
+{
+ struct process_interrupt *irq_node = process_interrupt_find(irq);
+
+ if (irq_node)
+ irq_node->isr(irq, irq_node->arg);
+}
--- /dev/null
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * BSD LICENSE
+ *
+ * Copyright 2008-2016 Freescale Semiconductor Inc.
+ * 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 the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * 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 HOLDERS 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.
+ */
+
+#ifndef __DPAA_SYS_H
+#define __DPAA_SYS_H
+
+#include <of.h>
+
+/* For 2-element tables related to cache-inhibited and cache-enabled mappings */
+#define DPAA_PORTAL_CE 0
+#define DPAA_PORTAL_CI 1
+
+#define DPAA_ASSERT(x) RTE_ASSERT(x)
+
+/* This is the interface from the platform-agnostic driver code to (de)register
+ * interrupt handlers. We simply create/destroy corresponding structs.
+ */
+int qbman_request_irq(int irq, irqreturn_t (*isr)(int irq, void *arg),
+ unsigned long flags, const char *name, void *arg);
+int qbman_free_irq(int irq, void *arg);
+
+void qbman_invoke_irq(int irq);
+
+#endif /* __DPAA_SYS_H */
git.droids-corp.org / dpdk.git / commitdiff