#define RTE_PMD_MLX5_UTILS_H_
#include <stddef.h>
+#include <stdint.h>
#include <stdio.h>
#include <limits.h>
#include <assert.h>
!!(((bf)[((b) / (sizeof((bf)[0]) * CHAR_BIT))] & \
((size_t)1 << ((b) % (sizeof((bf)[0]) * CHAR_BIT))))))
+/* Convert a bit number to the corresponding 64-bit mask */
+#define MLX5_BITSHIFT(v) (UINT64_C(1) << (v))
+
/* Save and restore errno around argument evaluation. */
#define ERRNO_SAFE(x) ((errno = (int []){ errno, ((x), 0) }[0]))
#define DEBUG(...) PMD_DRV_LOG(DEBUG, __VA_ARGS__)
#define claim_zero(...) assert((__VA_ARGS__) == 0)
+#define claim_nonzero(...) assert((__VA_ARGS__) != 0)
#else /* NDEBUG */
#define DEBUG(...) (void)0
#define claim_zero(...) (__VA_ARGS__)
+#define claim_nonzero(...) (__VA_ARGS__)
#endif /* NDEBUG */
\
snprintf(name, sizeof(name), __VA_ARGS__)
-#define WR_ID(o) (((wr_id_t *)&(o))->data)
+/**
+ * Return nearest power of two above input value.
+ *
+ * @param v
+ * Input value.
+ *
+ * @return
+ * Nearest power of two above input value.
+ */
+static inline unsigned int
+log2above(unsigned int v)
+{
+ unsigned int l;
+ unsigned int r;
+
+ for (l = 0, r = 0; (v >> 1); ++l, v >>= 1)
+ r |= (v & 1);
+ return l + r;
+}
#endif /* RTE_PMD_MLX5_UTILS_H_ */