From: Jerin Jacob <jer...@marvell.com> Introduce EAL typedef for structure 1B, 2B, 4B, 8B alignment marking and a generic marker for a point in a structure.
Signed-off-by: Jerin Jacob <jer...@marvell.com> --- v2: - Changed __extension__ to RTE_STD_C11 (Thomas) - Change "a point" to "any place" of RTE_MARKER comment(Thomas) lib/librte_eal/common/include/rte_common.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/librte_eal/common/include/rte_common.h b/lib/librte_eal/common/include/rte_common.h index 459d082d1..00c8b8434 100644 --- a/lib/librte_eal/common/include/rte_common.h +++ b/lib/librte_eal/common/include/rte_common.h @@ -335,6 +335,18 @@ typedef uint64_t phys_addr_t; typedef uint64_t rte_iova_t; #define RTE_BAD_IOVA ((rte_iova_t)-1) +/*********** Structure alignment markers ********/ + +/** Generic marker for any place in a structure. */ +RTE_STD_C11 typedef void *RTE_MARKER[0]; +/** Marker for 1B alignment in a structure. */ +RTE_STD_C11 typedef uint8_t RTE_MARKER8[0]; +/** Marker for 2B alignment in a structure. */ +RTE_STD_C11 typedef uint16_t RTE_MARKER16[0]; +/** Marker for 4B alignment in a structure. */ +RTE_STD_C11 typedef uint16_t RTE_MARKER32[0]; +/** Marker for 8B alignment in a structure. */ +RTE_STD_C11 typedef uint64_t RTE_MARKER64[0]; /** * Combines 32b inputs most significant set bits into the least -- 2.24.1
