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From: Thomas Monjalon <thomas@monjalon.net>
To: Zhangfei Gao <zhangfei.gao@linaro.org>, Akhil Goyal <gakhil@marvell.com>
Cc: "techboard@dpdk.org" <techboard@dpdk.org>, "dev@dpdk.org" <dev@dpdk.org>,
"acc@openeuler.org" <acc@openeuler.org>,
Zhangfei Gao <zhangfei.gao@linaro.org>
Subject: Re: crypto/uadk: introduce uadk crypto driver
Date: Wed, 19 Oct 2022 08:55:24 +0200
Message-ID: <5877730.88bMQJbFj6@thomas>
In-Reply-To: <dea6abea-7274-1f1a-19ee-838c329da16e@linaro.org>
References: <CO6PR18MB44848DBA263658B2245AA71ED8299@CO6PR18MB4484.namprd18.prod.outlook.com>
<316c505f-8072-5da8-0ca0-d5105ea479a6@linaro.org>
<dea6abea-7274-1f1a-19ee-838c329da16e@linaro.org>
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Errors-To: dev-bounces@dpdk.org
18/10/2022 12:52, Zhangfei Gao:
>=20
> On 2022/10/18 =E4=B8=8B=E5=8D=886:07, Zhangfei Gao wrote:
> > Hi, Akhil
> >
> >>
> >> On 2022/10/17 =E4=B8=8B=E5=8D=883:02, Akhil Goyal wrote:
> >>>
> >>> Hi everyone,
> >>>
> >>> We have a new crypto PMD submitted on ML=20
> >>> (http://patches.dpdk.org/project/dpdk/cover/20221008083747.6559-1-zha=
ngfei.gao@linaro.org/)
> >>>
> >>> This PMD is dependent on an external library which needs to be cross=
=20
> >>> compiled for ARM on x86.
> >>>
> >>> It mandatorily need =E2=80=9Cnumactl=E2=80=9D also cross-compiled and=
instead of=20
> >>> using pkg-config of libnuma, it need the library and headers to be=20
> >>> copied manually to aarch toolchain.
> >>>
> >>> And if that is also done, it is not generating pkg-config which DPDK=
=20
> >>> can use to compile the PMD.
> >>>
> >>
> >> Thanks for the guidance
> >>
> >> We are trying to provide pkgconfig file for uadk libs
> >> https://github.com/Linaro/uadk/pull/513
> >>
> >> And have fixed the x86 local build.
> >> https://github.com/Linaro/uadk/pull/512
> >
> > Under this git pull, I have verified building and installing dpdk on=20
> > x86 with this diff to switch to pkg-config
> >
> > diff --git a/drivers/crypto/uadk/meson.build=20
> > b/drivers/crypto/uadk/meson.build
> > index dda6c6b257..f6fae0a239 100644
> > --- a/drivers/crypto/uadk/meson.build
> > +++ b/drivers/crypto/uadk/meson.build
> > @@ -8,18 +8,12 @@ if not is_linux
> > subdir_done()
> > endif
> >
> > -if arch_subdir !=3D 'arm' or not dpdk_conf.get('RTE_ARCH_64')
> > - build =3D false
> > - reason =3D 'only supported on aarch64'
> > - subdir_done()
> > -endif
> > -
> > sources =3D files(
> > 'uadk_crypto_pmd.c',
> > )
> >
> > deps +=3D 'bus_vdev'
> > -dep =3D cc.find_library('libwd_crypto', required: false)
> > +dep =3D dependency('libwd_crypto', required: false, method: 'pkg-confi=
g')
> > if not dep.found()
> > build =3D false
> > reason =3D 'missing dependency, "libwd_crypto"'
> > @@ -27,7 +21,7 @@ else
> > ext_deps +=3D dep
> > endif
> >
> > -dep =3D cc.find_library('libwd', required: false)
> > +dep =3D dependency('libwd', required: false, method: 'pkg-config')
> > if not dep.found()
> > build =3D false
> > reason =3D 'missing dependency, "libwd"'
> >
> >
> > One uncertainty is numa, "Requires: numa",
> > This requires numa.pc has to be installed, so numa only can be=20
> > installed from source code (make install).
> > While apt-get install libnuma-dev does not install numa.pc, so system=20
> > can not search numa.
> > So do we have to build numa from source code?
>=20
> By the way.
>=20
> When trying to use +Libs.Private: -lnuma,
> I found Even remove building uadk, the dpdk fails if no numa.pc, though=20
> apt-get insall libnuma-dev
>=20
> /usr/bin/ld: lib/librte_eal.so.23.0: version node not found for symbol=20
> numa_run_on_node_mask@@libnuma_1.2
> /usr/bin/ld: failed to set dynamic section sizes: bad value
> collect2: error: ld returned 1 exit status
> [2813/3314] Compiling C object=20
> 'drivers/a715181@@tmp_rte_event_cnxk@sta/event_cnxk_tx_cn10k_tx_112_127_s=
eg.c.o'.
> ninja: build stopped: subcommand failed.
libnuma is a general requirement of DPDK.
numa.pc should be installed by the NUMA package.
Maybe a problem with your distribution.