*/
#define RTE_BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+/*********** Cache line related macros ********/
+
+/** Cache line mask. */
+#define RTE_CACHE_LINE_MASK (RTE_CACHE_LINE_SIZE-1)
+
+/** Return the first cache-aligned value greater or equal to size. */
+#define RTE_CACHE_LINE_ROUNDUP(size) \
+ (RTE_CACHE_LINE_SIZE * ((size + RTE_CACHE_LINE_SIZE - 1) / \
+ RTE_CACHE_LINE_SIZE))
+
+/** Cache line size in terms of log2 */
+#if RTE_CACHE_LINE_SIZE == 64
+#define RTE_CACHE_LINE_SIZE_LOG2 6
+#elif RTE_CACHE_LINE_SIZE == 128
+#define RTE_CACHE_LINE_SIZE_LOG2 7
+#else
+#error "Unsupported cache line size"
+#endif
+
+/** Minimum Cache line size. */
+#define RTE_CACHE_LINE_MIN_SIZE 64
+
+/** Force alignment to cache line. */
+#define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE)
+
+/** Force minimum cache line alignment. */
+#define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE)
+
+/*********** PA/IOVA type definitions ********/
+
+/** Physical address */
+typedef uint64_t phys_addr_t;
+#define RTE_BAD_PHYS_ADDR ((phys_addr_t)-1)
+
+/**
+ * IO virtual address type.
+ * When the physical addressing mode (IOVA as PA) is in use,
+ * the translation from an IO virtual address (IOVA) to a physical address
+ * is a direct mapping, i.e. the same value.
+ * Otherwise, in virtual mode (IOVA as VA), an IOMMU may do the translation.
+ */
+typedef uint64_t rte_iova_t;
+#define RTE_BAD_IOVA ((rte_iova_t)-1)
+
+
/**
* Combines 32b inputs most significant set bits into the least
* significant bits to construct a value with the same MSBs as x
* Aligns input parameter to the next power of 2
*
* @param x
- * The integer value to algin
+ * The integer value to align
*
* @return
* Input parameter aligned to the next power of 2
* Aligns input parameter to the previous power of 2
*
* @param x
- * The integer value to algin
+ * The integer value to align
*
* @return
* Input parameter aligned to the previous power of 2
})
#endif
+/**
+ * Get the size of a field in a structure.
+ *
+ * @param type
+ * The type of the structure.
+ * @param field
+ * The field in the structure.
+ * @return
+ * The size of the field in the structure, in bytes.
+ */
+#define RTE_SIZEOF_FIELD(type, field) (sizeof(((type *)0)->field))
+
#define _RTE_STR(x) #x
/** Take a macro value and get a string version of it */
#define RTE_STR(x) _RTE_STR(x)