1 files changed, 146 insertions, 0 deletions
diff --git a/qdf/linux/src/i_qdf_atomic.h b/qdf/linux/src/i_qdf_atomic.h
new file mode 100644
index 000000000000..27fd018352f7
--- /dev/null
+++ b/qdf/linux/src/i_qdf_atomic.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
+ *
+ * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
+ *
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This file was originally distributed by Qualcomm Atheros, Inc.
+ * under proprietary terms before Copyright ownership was assigned
+ * to the Linux Foundation.
+ */
+
+/**
+ * DOC: i_qdf_atomic.h
+ * This file provides OS dependent atomic APIs.
+ */
+
+#ifndef I_QDF_ATOMIC_H
+#define I_QDF_ATOMIC_H
+
+#include <qdf_status.h>         /* QDF_STATUS */
+#include <linux/atomic.h>
+
+typedef atomic_t __qdf_atomic_t;
+
+/**
+ * __qdf_atomic_init() - initialize an atomic type variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: QDF_STATUS
+ */
+static inline QDF_STATUS __qdf_atomic_init(__qdf_atomic_t *v)
+{
+	atomic_set(v, 0);
+	return QDF_STATUS_SUCCESS;
+}
+
+/**
+ * __qdf_atomic_read() - read the value of an atomic variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: The current value of the variable
+ */
+static inline int32_t __qdf_atomic_read(__qdf_atomic_t *v)
+{
+	return atomic_read(v);
+}
+
+/**
+ * __qdf_atomic_inc() - increment the value of an atomic variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: None
+ */
+static inline void __qdf_atomic_inc(__qdf_atomic_t *v)
+{
+	atomic_inc(v);
+}
+
+/**
+ * __qdf_atomic_dec() - decrement the value of an atomic variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: None
+ */
+static inline void __qdf_atomic_dec(__qdf_atomic_t *v)
+{
+	atomic_dec(v);
+}
+
+/**
+ * __qdf_atomic_add() - add a value to the value of an atomic variable
+ * @i: The amount by which to increase the atomic counter
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: None
+ */
+static inline void __qdf_atomic_add(int i, __qdf_atomic_t *v)
+{
+	atomic_add(i, v);
+}
+
+/**
+ * __qdf_atomic_sub() - Subtract a value from an atomic variable
+ * @i: the amount by which to decrease the atomic counter
+ * @v: a pointer to an opaque atomic variable
+ *
+ * Return: none
+ */
+static inline void __qdf_atomic_sub(int i, __qdf_atomic_t *v)
+{
+	atomic_sub(i, v);
+}
+
+/**
+ * __qdf_atomic_dec_and_test() - decrement an atomic variable and check if the
+ * new value is zero
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return:
+ * true (non-zero) if the new value is zero,
+ * false (0) if the new value is non-zero
+ */
+static inline int32_t __qdf_atomic_dec_and_test(__qdf_atomic_t *v)
+{
+	return atomic_dec_and_test(v);
+}
+
+/**
+ * __qdf_atomic_set() - set a value to the value of an atomic variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: None
+ */
+static inline void __qdf_atomic_set(__qdf_atomic_t *v, int i)
+{
+	atomic_set(v, i);
+}
+
+/**
+ * __qdf_atomic_inc_return() - return the incremented value of an atomic variable
+ * @v: A pointer to an opaque atomic variable
+ *
+ * Return: The current value of the variable
+ */
+static inline int32_t __qdf_atomic_inc_return(__qdf_atomic_t *v)
+{
+	return atomic_inc_return(v);
+}
+
+#endif