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Subject: [dpdk-dev] [PATCH v6 4/8] cryptodev/armv8: introduce ARM-specific
feature flags
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From: Zbigniew Bodek <zbigniew.bodek@caviumnetworks.com>
Add two new feature flags:
* RTE_CRYPTODEV_FF_CPU_NEON
represents ARM NEON (TM) instructions
* RTE_CRYPTODEV_FF_CPU_ARM_CE
represents ARM crypto extensions
Add them to both cryptodev library, documentation and relevant
PMD driver for ARMv8.
Signed-off-by: Zbigniew Bodek <zbigniew.bodek@caviumnetworks.com>
---
doc/guides/cryptodevs/overview.rst | 2 ++
drivers/crypto/armv8/rte_armv8_pmd.c | 4 +++-
lib/librte_cryptodev/rte_cryptodev.c | 4 ++++
lib/librte_cryptodev/rte_cryptodev.h | 5 +++++
4 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/doc/guides/cryptodevs/overview.rst b/doc/guides/cryptodevs/overview.rst
index bd5f0ad..9ec32f1 100644
--- a/doc/guides/cryptodevs/overview.rst
+++ b/doc/guides/cryptodevs/overview.rst
@@ -45,6 +45,8 @@ Supported Feature Flags
"RTE_CRYPTODEV_FF_CPU_AVX512",,,x,,,,
"RTE_CRYPTODEV_FF_CPU_AESNI",,,x,x,,,
"RTE_CRYPTODEV_FF_HW_ACCELERATED",x,,,,,,
+ "RTE_CRYPTODEV_FF_CPU_NEON",,,,,,,
+ "RTE_CRYPTODEV_FF_CPU_ARM_CE",,,,,,,
Supported Cipher Algorithms
diff --git a/drivers/crypto/armv8/rte_armv8_pmd.c b/drivers/crypto/armv8/rte_armv8_pmd.c
index 1bf0f9d..d2b88a3 100644
--- a/drivers/crypto/armv8/rte_armv8_pmd.c
+++ b/drivers/crypto/armv8/rte_armv8_pmd.c
@@ -826,7 +826,9 @@
dev->enqueue_burst = armv8_crypto_pmd_enqueue_burst;
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
- RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_CPU_NEON |
+ RTE_CRYPTODEV_FF_CPU_ARM_CE;
/* Set vector instructions mode supported */
internals = dev->data->dev_private;
diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index f2ceb9b..6a51eec 100644
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -240,6 +240,10 @@ struct rte_cryptodev_callback {
return "HW_ACCELERATED";
case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
return "MBUF_SCATTER_GATHER";
+ case RTE_CRYPTODEV_FF_CPU_NEON:
+ return "CPU_NEON";
+ case RTE_CRYPTODEV_FF_CPU_ARM_CE:
+ return "CPU_ARM_CE";
default:
return NULL;
}
diff --git a/lib/librte_cryptodev/rte_cryptodev.h b/lib/librte_cryptodev/rte_cryptodev.h
index 452b174..f284668 100644
--- a/lib/librte_cryptodev/rte_cryptodev.h
+++ b/lib/librte_cryptodev/rte_cryptodev.h
@@ -232,6 +232,11 @@ struct rte_cryptodev_capabilities {
/**< Utilises CPU SIMD AVX512 instructions */
#define RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER (1ULL << 9)
/**< Scatter-gather mbufs are supported */
+#define RTE_CRYPTODEV_FF_CPU_NEON (1ULL << 10)
+/**< Utilises CPU NEON instructions */
+#define RTE_CRYPTODEV_FF_CPU_ARM_CE (1ULL << 11)
+/**< Utilises ARM CPU Cryptographic Extensions */
+
/**
--
1.9.1