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+/*
+ * Copyright (c) 2019 Nutanix Inc. All rights reserved.
+ *
+ * Authors: Thanos Makatos <thanos@nutanix.com>
+ *          Swapnil Ingle <swapnil.ingle@nutanix.com>
+ *          Felipe Franciosi <felipe@nutanix.com>
+ *
+ *  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 Nutanix 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 <COPYRIGHT HOLDER> 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 __COMMON_H__
+#define __COMMON_H__
+
+#include <stdint.h>
+
+#define PAGE_SIZE           sysconf(_SC_PAGE_SIZE)
+#define PAGE_ALIGNED(x)		(((x) & ((typeof(x))(PAGE_SIZE) - 1)) == 0)
+
+#define BIT(nr)             (1UL << (nr))
+
+#define ARRAY_SIZE(array)   (sizeof(array) / sizeof((array)[0]))
+
+#define likely(e)   __builtin_expect(!!(e), 1)
+#define unlikely(e) __builtin_expect(e, 0)
+
+#define ROUND_DOWN(x, a)    ((x) & ~((a)-1))
+#define ROUND_UP(x,a)       ROUND_DOWN((x)+(a)-1, a)
+
+void lm_log(lm_ctx_t const *const lm_ctx, const lm_log_lvl_t lvl,
+            char const *const fmt, ...);
+
+void dump_buffer(lm_ctx_t const *const lm_ctx, char const *const prefix,
+                 unsigned char const *const buf, uint32_t count);
+
+
+#endif                          /* __COMMON_H__ */
+
+/* ex: set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */