Import DPAA driver snapshot

Imported from Freescale Linux repository git://git.freescale.com/ppc/upstream/linux.git commit 2774c204cd8bfc56a200ff4dcdfc9cdf5b6fc161. Linux compatibility layer is partly from FreeBSD.
2025-10-16 12:32:13 +08:00 · 2016-04-27 11:58:19 +02:00
parent b2b2e1a6a5
commit 28ee86a9b0
132 changed files with 41012 additions and 3 deletions
--- a/rtemsbsd/powerpc/include/linux/wait.h
+++ b/rtemsbsd/powerpc/include/linux/wait.h
@@ -0,0 +1,137 @@
+/*-
+ * Copyright (c) 2010 Isilon Systems, Inc.
+ * Copyright (c) 2010 iX Systems, Inc.
+ * Copyright (c) 2010 Panasas, Inc.
+ * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+#ifndef	_LINUX_WAIT_H_
+#define	_LINUX_WAIT_H_
+
+#include <linux/spinlock.h>
+#include <linux/sched.h>
+#include <linux/list.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/sleepqueue.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+
+typedef struct {
+} wait_queue_t;
+
+typedef struct {
+	unsigned int	wchan;
+} wait_queue_head_t;
+
+#define	init_waitqueue_head(x) \
+    do { } while (0)
+
+#define DECLARE_WAIT_QUEUE_HEAD(x) wait_queue_head_t x = { 0 }
+
+static inline void
+__wake_up(wait_queue_head_t *q, int all)
+{
+	int wakeup_swapper;
+	void *c;
+
+	c = &q->wchan;
+	sleepq_lock(c);
+	if (all)
+		wakeup_swapper = sleepq_broadcast(c, SLEEPQ_SLEEP, 0, 0);
+	else
+		wakeup_swapper = sleepq_signal(c, SLEEPQ_SLEEP, 0, 0);
+	sleepq_release(c);
+	if (wakeup_swapper)
+		kick_proc0();
+}
+
+#define	wake_up(q)				__wake_up(q, 0)
+#define	wake_up_nr(q, nr)			__wake_up(q, 1)
+#define	wake_up_all(q)				__wake_up(q, 1)
+#define	wake_up_interruptible(q)		__wake_up(q, 0)
+#define	wake_up_interruptible_nr(q, nr)		__wake_up(q, 1)
+#define	wake_up_interruptible_all(q, nr)	__wake_up(q, 1)
+
+#define	wait_event(q, cond)						\
+do {									\
+	void *c = &(q).wchan;						\
+	if (!(cond)) {							\
+		for (;;) {						\
+			sleepq_lock(c);					\
+			if (cond) {					\
+				sleepq_release(c);			\
+				break;					\
+			}						\
+			sleepq_add(c, NULL, "completion", SLEEPQ_SLEEP, 0); \
+			sleepq_wait(c, 0);				\
+		}							\
+	}								\
+} while (0)
+
+#define	wait_event_interruptible(q, cond)				\
+({									\
+	void *c = &(q).wchan;						\
+	int _error;							\
+									\
+	_error = 0;							\
+	if (!(cond)) {							\
+		for (; _error == 0;) {					\
+			sleepq_lock(c);					\
+			if (cond) {					\
+				sleepq_release(c);			\
+				break;					\
+			}						\
+			sleepq_add(c, NULL, "completion",		\
+			    SLEEPQ_SLEEP | SLEEPQ_INTERRUPTIBLE, 0);	\
+			if (sleepq_wait_sig(c, 0))			\
+				_error = -ERESTARTSYS;			\
+		}							\
+	}								\
+	-_error;							\
+})
+
+static inline int
+waitqueue_active(wait_queue_head_t *q)
+{
+	return 0;	/* XXX: not really implemented */
+}
+
+#define DEFINE_WAIT(name)	\
+	wait_queue_t name = {}
+
+static inline void
+prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state)
+{
+}
+
+static inline void
+finish_wait(wait_queue_head_t *q, wait_queue_t *wait)
+{
+}
+
+#endif	/* _LINUX_WAIT_H_ */