DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Wei Hu (Xavier)" <huwei013@chinasoftinc.com>
To: <dev@dpdk.org>
Cc: <nd@arm.com>, <Honnappa.Nagarahalli@arm.com>,
	<Ruifeng.Wang@arm.com>, <jerinjacobk@gmail.com>,
	<xavier.huwei@huawei.com>
Subject: [dpdk-dev] [PATCH v5 1/2] eal/arm64: update CPU flags
Date: Wed, 19 Aug 2020 15:04:07 +0800
Message-ID: <20200819070408.25949-2-huwei013@chinasoftinc.com> (raw)
In-Reply-To: <20200819070408.25949-1-huwei013@chinasoftinc.com>

From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>

ARM64 Linux kernel updated the CPU flags using the HWCAP scheme.
The related marco definition can be found in linux kernel:
  arch/arm64/include/uapi/asm/hwcap.h

This patch incorporates those changes to the eal library.

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
v4 -> v5:
	No change.
v3 -> v4:
	Update commit log.
v2 -> v3:
	1. Change commit log.
	2. Add HWCAP2_FLAGM2 and HWCAP2_FRINT to rte_cpu_feature_table[].
	3. Add the flags for newly added items into enum rte_cpu_flag_t.
v1 -> v2:
	Adds more sve-related definition to rte_cpu_feature_table,
	sunch as SVE2, etc.
---
 lib/librte_eal/arm/include/rte_cpuflags_64.h | 13 +++++++++++++
 lib/librte_eal/arm/rte_cpuflags.c            | 13 +++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/lib/librte_eal/arm/include/rte_cpuflags_64.h b/lib/librte_eal/arm/include/rte_cpuflags_64.h
index 95cc01474..aa7a56d49 100644
--- a/lib/librte_eal/arm/include/rte_cpuflags_64.h
+++ b/lib/librte_eal/arm/include/rte_cpuflags_64.h
@@ -22,6 +22,19 @@ enum rte_cpu_flag_t {
 	RTE_CPUFLAG_SHA2,
 	RTE_CPUFLAG_CRC32,
 	RTE_CPUFLAG_ATOMICS,
+	RTE_CPUFLAG_SVE,
+	RTE_CPUFLAG_SVE2,
+	RTE_CPUFLAG_SVEAES,
+	RTE_CPUFLAG_SVEPMULL,
+	RTE_CPUFLAG_SVEBITPERM,
+	RTE_CPUFLAG_SVESHA3,
+	RTE_CPUFLAG_SVESM4,
+	RTE_CPUFLAG_FLAGM2,
+	RTE_CPUFLAG_FRINT,
+	RTE_CPUFLAG_SVEI8MM,
+	RTE_CPUFLAG_SVEF32MM,
+	RTE_CPUFLAG_SVEF64MM,
+	RTE_CPUFLAG_SVEBF16,
 	RTE_CPUFLAG_AARCH64,
 	/* The last item */
 	RTE_CPUFLAG_NUMFLAGS,/**< This should always be the last! */
diff --git a/lib/librte_eal/arm/rte_cpuflags.c b/lib/librte_eal/arm/rte_cpuflags.c
index caf3dc83a..7b257b787 100644
--- a/lib/librte_eal/arm/rte_cpuflags.c
+++ b/lib/librte_eal/arm/rte_cpuflags.c
@@ -95,6 +95,19 @@ const struct feature_entry rte_cpu_feature_table[] = {
 	FEAT_DEF(SHA2,		REG_HWCAP,    6)
 	FEAT_DEF(CRC32,		REG_HWCAP,    7)
 	FEAT_DEF(ATOMICS,	REG_HWCAP,    8)
+	FEAT_DEF(SVE,		REG_HWCAP,    22)
+	FEAT_DEF(SVE2,		REG_HWCAP2,   1)
+	FEAT_DEF(SVEAES,	REG_HWCAP2,   2)
+	FEAT_DEF(SVEPMULL,	REG_HWCAP2,   3)
+	FEAT_DEF(SVEBITPERM,	REG_HWCAP2,   4)
+	FEAT_DEF(SVESHA3,	REG_HWCAP2,   5)
+	FEAT_DEF(SVESM4,	REG_HWCAP2,   6)
+	FEAT_DEF(FLAGM2,	REG_HWCAP2,   7)
+	FEAT_DEF(FRINT,		REG_HWCAP2,   8)
+	FEAT_DEF(SVEI8MM,	REG_HWCAP2,   9)
+	FEAT_DEF(SVEF32MM,	REG_HWCAP2,   10)
+	FEAT_DEF(SVEF64MM,	REG_HWCAP2,   11)
+	FEAT_DEF(SVEBF16,	REG_HWCAP2,   12)
 	FEAT_DEF(AARCH64,	REG_PLATFORM, 1)
 };
 #endif /* RTE_ARCH */
-- 
2.27.0


  reply	other threads:[~2020-08-19  7:04 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-17 12:47 [dpdk-dev] [PATCH v2] lib/librte_eal: support SVE flag on ARM64 Wei Hu (Xavier)
2020-08-17 13:07 ` Jerin Jacob
2020-08-18  2:47   ` Wei Hu (Xavier)
2020-08-18  2:43 ` [dpdk-dev] [PATCH v3] eal/arm64: update CPU flags Wei Hu (Xavier)
2020-08-18  3:41   ` Ruifeng Wang
2020-08-18  5:07     ` Jerin Jacob
2020-08-18  8:05       ` Wei Hu (Xavier)
2020-08-18  8:06     ` Wei Hu (Xavier)
2020-08-18  8:09 ` [dpdk-dev] [PATCH v4 0/2] update CPU flags for arm64 platform Wei Hu (Xavier)
2020-08-18  8:09   ` [dpdk-dev] [PATCH v4 1/2] eal/arm64: update CPU flags Wei Hu (Xavier)
2020-08-19  2:27     ` Ruifeng Wang
2020-08-18  8:09   ` [dpdk-dev] [PATCH v4 2/2] test/cpuflag: add new flags for ARM64 platform Wei Hu (Xavier)
2020-08-19  2:26     ` Ruifeng Wang
2020-08-19  7:09       ` Wei Hu (Xavier)
2020-08-19  7:04 ` [dpdk-dev] [PATCH v5 0/2] update CPU flags for arm64 platform Wei Hu (Xavier)
2020-08-19  7:04   ` Wei Hu (Xavier) [this message]
2020-08-19  7:04   ` [dpdk-dev] [PATCH v5 2/2] test/cpuflag: add new flags for ARM64 platform Wei Hu (Xavier)
2020-08-19  8:11     ` Ruifeng Wang
2020-08-20  0:39       ` Wei Hu (Xavier)
2020-08-19 10:56 ` [dpdk-dev] [PATCH v6 0/2] update CPU flags for arm64 platform Wei Hu (Xavier)
2020-08-19 10:56   ` [dpdk-dev] [PATCH v6 1/2] eal/arm64: update CPU flags Wei Hu (Xavier)
2020-10-12  3:30     ` Wei Hu (Xavier)
2020-08-19 10:56   ` [dpdk-dev] [PATCH v6 2/2] test/cpuflag: add new flags for ARM64 platform Wei Hu (Xavier)
2020-09-01  1:42   ` [dpdk-dev] [PATCH v6 0/2] update CPU flags for arm64 platform Wei Hu (Xavier)
2020-09-03  3:11   ` Wei Hu (Xavier)
2020-09-14  6:00   ` Wei Hu (Xavier)
2020-09-28  0:49   ` Wei Hu (Xavier)
2020-09-30  1:44   ` Ruifeng Wang
2020-10-09  6:34     ` Wei Hu (Xavier)
2020-10-13 16:00     ` Thomas Monjalon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200819070408.25949-2-huwei013@chinasoftinc.com \
    --to=huwei013@chinasoftinc.com \
    --cc=Honnappa.Nagarahalli@arm.com \
    --cc=Ruifeng.Wang@arm.com \
    --cc=dev@dpdk.org \
    --cc=jerinjacobk@gmail.com \
    --cc=nd@arm.com \
    --cc=xavier.huwei@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git