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From: Shijith Thotton <sthotton@marvell.com>
To: <jerinj@marvell.com>, <bruce.richardson@intel.com>,
<pbhagavatula@marvell.com>
CC: Shijith Thotton <sthotton@marvell.com>, <dev@dpdk.org>, Wathsala Vithanage
<wathsala.vithanage@arm.com>, Nithin Dabilpuram <ndabilpuram@marvell.com>,
Kiran Kumar K <kirankumark@marvell.com>, Sunil Kumar Kori
<skori@marvell.com>, Satha Rao <skoteshwar@marvell.com>, Harman Kalra
<hkalra@marvell.com>
Subject: [PATCH v2] common/cnxk: allow enabling IOVA field in mbuf
Date: Fri, 25 Oct 2024 15:20:40 +0530
Message-ID: <20241025095040.2275978-1-sthotton@marvell.com>
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The value of RTE_IOVA_IN_MBUF has always been disabled on CNXK
platforms, as IOVA in the mbuf is unnecessary. This update changes that
behavior to respect the value set by the user. A warning message will be
printed if the build is configured to enable IOVA on the CNXK platform.
Signed-off-by: Shijith Thotton <sthotton@marvell.com>
---
v2:
- Don't override the default value of RTE_IOVA_IN_MBUF in CNXK platform.
- Print a warning message if IOVA in mbuf is enabled on CNXK platform.
config/arm/meson.build | 8 ++------
drivers/common/cnxk/meson.build | 6 ++++++
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/config/arm/meson.build b/config/arm/meson.build
index 55be7c8711..20f7f6508c 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -459,10 +459,7 @@ soc_cn9k = {
'description': 'Marvell OCTEON 9',
'implementer': '0x43',
'part_number': '0xb2',
- 'numa': false,
- 'flags': [
- ['RTE_IOVA_IN_MBUF', 0]
- ]
+ 'numa': false
}
soc_cn10k = {
@@ -471,8 +468,7 @@ soc_cn10k = {
'flags': [
['RTE_MAX_LCORE', 24],
['RTE_MAX_NUMA_NODES', 1],
- ['RTE_MEMPOOL_ALIGN', 128],
- ['RTE_IOVA_IN_MBUF', 0]
+ ['RTE_MEMPOOL_ALIGN', 128]
],
'part_number': '0xd49',
'extra_march_features': ['crypto'],
diff --git a/drivers/common/cnxk/meson.build b/drivers/common/cnxk/meson.build
index abb0f6f01f..293a47524b 100644
--- a/drivers/common/cnxk/meson.build
+++ b/drivers/common/cnxk/meson.build
@@ -108,4 +108,10 @@ deps += ['bus_pci', 'net', 'telemetry']
require_iova_in_mbuf = false
+cnxk_socs = ['cn9k', 'cn10k', 'cn20k']
+
+if dpdk_conf.get('RTE_IOVA_IN_MBUF') == 1 and soc_type in cnxk_socs
+ warning('IOVA in mbuf is not required on platform ' + soc_type)
+endif
+
annotate_locks = false
--
2.25.1