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From: Jerin Jacob <jerinjacobk@gmail.com>
To: Gaëtan Rivet <grive@u256.net>
Cc: Manish Chopra <manishc@marvell.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Igor Russkikh <irusskikh@marvell.com>, dpdk-dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 1/7] lib/librte_pci: add rte_pci_regs.h
Date: Thu, 16 Jul 2020 15:57:46 +0530
Message-ID: <CALBAE1PBmiiyjwifRPzzMUZqUi2Opzv5rQSOFWDB9z=H0h3EQw@mail.gmail.com> (raw)
In-Reply-To: <20200716101753.722ld3p66bqrjss7@u256.net>

On Thu, Jul 16, 2020 at 3:48 PM Gaëtan Rivet <grive@u256.net> wrote:
>
> On 16/07/20 12:08 +0200, Gaëtan Rivet wrote:
> > Re-CCing dev@dpdk.org as it was removed from the reply.
> >
> > On 13/07/20 08:13 -0700, Manish Chopra wrote:
> > > This is merely copy of latest linux/pci_regs.h in
> > > order to avoid dependency of dpdk on user headers.
> > >
> >
> > I guess this dependency is an issue on non-linux systems, when you must
> > use those defines in a generic implementation. Can you confirm this is
> > the motivation here?
> >
> > If so, I think it would be clearer to state "in order to avoid
> > dependency of DPDK on linux headers".
> >
>
> To add to it, if this is actually the motivation to add this header, I
> don't think it is sufficient.
>
> You can restrict the function definition to the linux part of the
> PCI bus driver instead, using stubs for other systems.
>
> > > Signed-off-by: Manish Chopra <manishc@marvell.com>
> > > Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
> > > ---
> > >  drivers/bus/pci/linux/pci_uio.c     |    2 +-
> > >  drivers/bus/pci/linux/pci_vfio.c    |    2 +-
> > >  drivers/net/bnx2x/bnx2x.h           |    2 +-
> > >  drivers/net/hns3/hns3_ethdev_vf.c   |    2 +-
> > >  drivers/vdpa/ifc/base/ifcvf_osdep.h |    2 +-
> > >  lib/librte_pci/Makefile             |    1 +
> > >  lib/librte_pci/meson.build          |    2 +-
> > >  lib/librte_pci/rte_pci_regs.h       | 1075 +++++++++++++++++++++++++++
> > >  8 files changed, 1082 insertions(+), 6 deletions(-)
> > >  create mode 100644 lib/librte_pci/rte_pci_regs.h
> > >
> >
> > [...]
> >
> > > diff --git a/lib/librte_pci/rte_pci_regs.h b/lib/librte_pci/rte_pci_regs.h
> > > new file mode 100644
> > > index 000000000..1d11f4de5
> > > --- /dev/null
> > > +++ b/lib/librte_pci/rte_pci_regs.h
> > > @@ -0,0 +1,1075 @@
> > > +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
> > > +/*
> >
> > This file is delivered alongside the PCI lib, targeting userspace.
> > This seems to be an exception to the license policy described in
> > license/README. Code shared between kernel and userspace is expected
> > to be dual-licensed BSD-3 and GPL-2.0.
> >
> > As it is a copy of Linux user includes, re-licensing it as BSD-3 as well
> > is not possible.
> >
> > So I think it might require a techboard + governing board exception
> > approval. Ferruh or Thomas, what do you think?

I think, instead of importing GPL-2.0 file, We can add the constants
as need by the DPDK
as symbols start from RTE_PCI_*(It will fix up the namespace as well).





> >
> > --
> > Gaëtan
>
> --
> Gaëtan

  reply	other threads:[~2020-07-16 10:28 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-13 15:13 [dpdk-dev] [PATCH v2 0/7] qede: SR-IOV PF driver support Manish Chopra
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 1/7] lib/librte_pci: add rte_pci_regs.h Manish Chopra
2020-07-16  9:43   ` Gaëtan Rivet
2020-07-16 10:08   ` Gaëtan Rivet
2020-07-16 10:17     ` Gaëtan Rivet
2020-07-16 10:27       ` Jerin Jacob [this message]
2020-07-16 11:26         ` Thomas Monjalon
2020-07-16 11:55           ` Jerin Jacob
2020-07-16 12:49             ` Thomas Monjalon
2020-07-16 13:02               ` Jerin Jacob
2020-07-16 15:55                 ` Thomas Monjalon
2020-07-16 16:43                   ` Jerin Jacob
2020-07-16 16:57                     ` Thomas Monjalon
2020-07-16 17:33                       ` Jerin Jacob
2020-07-16 17:56                       ` Gaëtan Rivet
2020-07-16 20:49                         ` [dpdk-dev] [EXT] " Manish Chopra
2020-07-18 19:42                           ` Manish Chopra
2020-07-19  8:47                             ` Jerin Jacob
2020-07-20  8:57                               ` Gaëtan Rivet
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 2/7] drivers: add generic API to find PCI extended cap Manish Chopra
2020-07-20  9:36   ` Gaëtan Rivet
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 3/7] net/qede: define PCI config space specific osals Manish Chopra
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 4/7] net/qede: configure VFs on hardware Manish Chopra
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 5/7] net/qede: add infrastructure support for VF load Manish Chopra
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 6/7] net/qede: initialize VF MAC and link Manish Chopra
2020-07-13 15:13 ` [dpdk-dev] [PATCH v2 7/7] net/qede: add VF FLR support Manish Chopra

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