[dpdk-dev] [PATCH 20.11 02/12] eal: add default SIMD bitwidth values

[Ciara Power]

Each arch has a define for the default SIMD bitwidth value, this is used
on EAL init to set the config max SIMD bitwidth.

Cc: Ruifeng Wang <ruifeng.w...@arm.com>
Cc: Jerin Jacob <jer...@marvell.com>
Cc: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
Cc: David Christensen <d...@linux.vnet.ibm.com>

Signed-off-by: Ciara Power <ciara.po...@intel.com>
---
 lib/librte_eal/arm/include/rte_vect.h      | 2 ++
 lib/librte_eal/common/eal_common_options.c | 3 +++
 lib/librte_eal/include/generic/rte_vect.h  | 2 ++
 lib/librte_eal/ppc/include/rte_vect.h      | 2 ++
 lib/librte_eal/x86/include/rte_vect.h      | 2 ++
 5 files changed, 11 insertions(+)

diff --git a/lib/librte_eal/arm/include/rte_vect.h 
b/lib/librte_eal/arm/include/rte_vect.h
index 01c51712a1..7487a53862 100644
--- a/lib/librte_eal/arm/include/rte_vect.h
+++ b/lib/librte_eal/arm/include/rte_vect.h
@@ -14,6 +14,8 @@
 extern "C" {
 #endif
 
+#define RTE_DEFAULT_SIMD_BITWIDTH 256
+
 typedef int32x4_t xmm_t;
 
 #define        XMM_SIZE        (sizeof(xmm_t))
diff --git a/lib/librte_eal/common/eal_common_options.c 
b/lib/librte_eal/common/eal_common_options.c
index 90f4e8f5c3..c2a9624f89 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -35,6 +35,7 @@
 #ifndef RTE_EXEC_ENV_WINDOWS
 #include <rte_telemetry.h>
 #endif
+#include <rte_vect.h>
 
 #include "eal_internal_cfg.h"
 #include "eal_options.h"
@@ -344,6 +345,8 @@ eal_reset_internal_config(struct internal_config 
*internal_cfg)
        internal_cfg->user_mbuf_pool_ops_name = NULL;
        CPU_ZERO(&internal_cfg->ctrl_cpuset);
        internal_cfg->init_complete = 0;
+       internal_cfg->max_simd_bitwidth.bitwidth = RTE_DEFAULT_SIMD_BITWIDTH;
+       internal_cfg->max_simd_bitwidth.locked = 0;
 }
 
 static int
diff --git a/lib/librte_eal/include/generic/rte_vect.h 
b/lib/librte_eal/include/generic/rte_vect.h
index 3fc47979f8..e98f184a97 100644
--- a/lib/librte_eal/include/generic/rte_vect.h
+++ b/lib/librte_eal/include/generic/rte_vect.h
@@ -14,6 +14,8 @@
 
 #include <stdint.h>
 
+#define RTE_DEFAULT_SIMD_BITWIDTH 256
+
 /* Unsigned vector types */
 
 /**
diff --git a/lib/librte_eal/ppc/include/rte_vect.h 
b/lib/librte_eal/ppc/include/rte_vect.h
index b0545c878c..70fbd0c423 100644
--- a/lib/librte_eal/ppc/include/rte_vect.h
+++ b/lib/librte_eal/ppc/include/rte_vect.h
@@ -15,6 +15,8 @@
 extern "C" {
 #endif
 
+#define RTE_DEFAULT_SIMD_BITWIDTH 256
+
 typedef vector signed int xmm_t;
 
 #define        XMM_SIZE        (sizeof(xmm_t))
diff --git a/lib/librte_eal/x86/include/rte_vect.h 
b/lib/librte_eal/x86/include/rte_vect.h
index df5a607623..b1df75aca7 100644
--- a/lib/librte_eal/x86/include/rte_vect.h
+++ b/lib/librte_eal/x86/include/rte_vect.h
@@ -35,6 +35,8 @@
 extern "C" {
 #endif
 
+#define RTE_DEFAULT_SIMD_BITWIDTH 256
+
 typedef __m128i xmm_t;
 
 #define        XMM_SIZE        (sizeof(xmm_t))
-- 
2.17.1