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From: "Gaëtan Rivet" <gaetan.rivet@6wind.com>
To: "Wang, Xiao W" <xiao.w.wang@intel.com>
Cc: "Burakov, Anatoly" <anatoly.burakov@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Wang, Zhihong" <zhihong.wang@intel.com>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"yliu@fridaylinux.org" <yliu@fridaylinux.org>,
	"Liang, Cunming" <cunming.liang@intel.com>,
	"Xu, Rosen" <rosen.xu@intel.com>,
	"Chen, Junjie J" <junjie.j.chen@intel.com>,
	"Daly, Dan" <dan.daly@intel.com>
Subject: Re: [dpdk-dev] [PATCH 2/3] bus/pci: expose sysfs parsing API
Date: Thu, 15 Mar 2018 18:19:21 +0100	[thread overview]
Message-ID: <20180315171921.zbdymoqrbfs6u6su@bidouze.vm.6wind.com> (raw)
In-Reply-To: <B7F2E978279D1D49A3034B7786DACF406F85260F@SHSMSX101.ccr.corp.intel.com>

On Thu, Mar 15, 2018 at 04:49:41PM +0000, Wang, Xiao W wrote:
> Hi Rivet,
> 
> > -----Original Message-----
> > From: Gaëtan Rivet [mailto:gaetan.rivet@6wind.com]
> > Sent: Wednesday, March 14, 2018 9:31 PM
> > To: Burakov, Anatoly <anatoly.burakov@intel.com>
> > Cc: Wang, Xiao W <xiao.w.wang@intel.com>; dev@dpdk.org; Wang, Zhihong
> > <zhihong.wang@intel.com>; maxime.coquelin@redhat.com;
> > yliu@fridaylinux.org; Liang, Cunming <cunming.liang@intel.com>; Xu, Rosen
> > <rosen.xu@intel.com>; Chen, Junjie J <junjie.j.chen@intel.com>; Daly, Dan
> > <dan.daly@intel.com>
> > Subject: Re: [dpdk-dev] [PATCH 2/3] bus/pci: expose sysfs parsing API
> > 
> > Hi,
> > 
> > On Wed, Mar 14, 2018 at 11:19:31AM +0000, Burakov, Anatoly wrote:
> > > On 09-Mar-18 11:08 PM, Xiao Wang wrote:
> > > > Some existing sysfs parsing functions are helpful for the later vDPA
> > > > driver, this patch make them global and expose them to shared lib.
> > > >
> > > > Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
> > > > ---
> > > >   drivers/bus/pci/linux/pci.c             | 9 ++++-----
> > > >   drivers/bus/pci/linux/pci_init.h        | 8 ++++++++
> > > >   drivers/bus/pci/rte_bus_pci_version.map | 8 ++++++++
> > > >   3 files changed, 20 insertions(+), 5 deletions(-)
> > > >
> > > > diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
> > > > index abde64119..81e5e5650 100644
> > > > --- a/drivers/bus/pci/linux/pci.c
> > > > +++ b/drivers/bus/pci/linux/pci.c
> > > > @@ -32,7 +32,7 @@
> > > >   extern struct rte_pci_bus rte_pci_bus;
> > > > -static int
> > > > +int
> > > >   pci_get_kernel_driver_by_path(const char *filename, char *dri_name)
> > >
> > > Here and in other places - shouldn't this too be prefixed with rte_?
> > >
> > 
> > A public PCI function should be prefixed by rte_pci_ yes.
> 
> OK, will add this prefix.
> 
> > 
> > Additionally, if this function was to be exposed, then there should be a
> > BSD implementation as well (shared map file).
> > 
> > I don't know how BSD works, I'm not sure parsing the filesystem is the
> > way to get a PCI driver name. If so, maybe the function should be called
> > another, generic, way, that would work for both linux and BSD (and
> > ideally, having a real BSD implementation).
> 
> BSD is not parsing the filesystem, it uses PCIOCGETCONF ioctl to retrieve
> PCI device information.
> This function is quite linux, especially for the API name. I'm afraid we can
> only return err on BSD for this API.

How about renaming the function to something like
rte_pci_device_kdriver_name();

and allowing for a sensible BSD implementation to happen if someone
needs it?

-- 
Gaëtan Rivet
6WIND

  reply	other threads:[~2018-03-15 17:19 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-09 23:08 [dpdk-dev] [PATCH 0/3] add ifcvf driver Xiao Wang
2018-03-09 23:08 ` [dpdk-dev] [PATCH 1/3] eal/vfio: add support for multiple container Xiao Wang
2018-03-14 12:08   ` Burakov, Anatoly
2018-03-15 16:49     ` Wang, Xiao W
2018-03-09 23:08 ` [dpdk-dev] [PATCH 2/3] bus/pci: expose sysfs parsing API Xiao Wang
2018-03-14 11:19   ` Burakov, Anatoly
2018-03-14 13:30     ` Gaëtan Rivet
2018-03-15 16:49       ` Wang, Xiao W
2018-03-15 17:19         ` Gaëtan Rivet [this message]
2018-03-19  1:31           ` Wang, Xiao W
2018-03-21 13:21   ` [dpdk-dev] [PATCH v2 0/3] add ifcvf driver Xiao Wang
2018-03-21 13:21     ` [dpdk-dev] [PATCH v2 1/3] eal/vfio: add support for multiple container Xiao Wang
2018-03-21 20:32       ` Thomas Monjalon
2018-03-21 21:37         ` Gaëtan Rivet
2018-03-22  3:00           ` Wang, Xiao W
2018-03-21 13:21     ` [dpdk-dev] [PATCH v2 2/3] bus/pci: expose sysfs parsing API Xiao Wang
2018-03-21 20:44       ` Thomas Monjalon
2018-03-22  2:46         ` Wang, Xiao W
2018-03-21 13:21     ` [dpdk-dev] [PATCH v2 3/3] net/ifcvf: add ifcvf driver Xiao Wang
2018-03-21 20:52       ` Thomas Monjalon
2018-03-23 10:39         ` Wang, Xiao W
2018-03-21 20:57       ` Maxime Coquelin
2018-03-23 10:37         ` Wang, Xiao W
2018-03-22  8:51       ` Ferruh Yigit
2018-03-22 17:23         ` Wang, Xiao W
2018-03-31  2:29       ` [dpdk-dev] [PATCH v3 0/3] add ifcvf vdpa driver Xiao Wang
2018-03-31  2:29         ` [dpdk-dev] [PATCH v3 1/4] eal/vfio: add support for multiple container Xiao Wang
2018-03-31 11:06           ` Maxime Coquelin
2018-03-31  2:29         ` [dpdk-dev] [PATCH v3 2/4] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-03-31 11:13           ` Maxime Coquelin
2018-03-31 13:16             ` Thomas Monjalon
2018-04-02  4:08               ` Wang, Xiao W
2018-03-31  2:29         ` [dpdk-dev] [PATCH v3 3/4] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-03-31 11:26           ` Maxime Coquelin
2018-04-03  9:38             ` Wang, Xiao W
2018-04-04 14:40           ` [dpdk-dev] [PATCH v4 0/4] " Xiao Wang
2018-04-04 14:40             ` [dpdk-dev] [PATCH v4 1/4] eal/vfio: add multiple container support Xiao Wang
2018-04-05 18:06               ` [dpdk-dev] [PATCH v5 0/4] add ifcvf vdpa driver Xiao Wang
2018-04-05 18:06                 ` [dpdk-dev] [PATCH v5 1/4] eal/vfio: add multiple container support Xiao Wang
2018-04-05 18:06                 ` [dpdk-dev] [PATCH v5 2/4] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-11 18:58                   ` Ferruh Yigit
2018-04-05 18:07                 ` [dpdk-dev] [PATCH v5 3/4] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-11 18:58                   ` Ferruh Yigit
2018-04-12  7:19                   ` [dpdk-dev] [PATCH v6 0/4] " Xiao Wang
2018-04-12  7:19                     ` [dpdk-dev] [PATCH v6 1/4] eal/vfio: add multiple container support Xiao Wang
2018-04-12 14:03                       ` Burakov, Anatoly
2018-04-12 16:07                         ` Wang, Xiao W
2018-04-12 16:24                           ` Burakov, Anatoly
2018-04-13  9:18                             ` Wang, Xiao W
2018-04-15 15:33                       ` [dpdk-dev] [PATCH v7 0/5] add ifcvf vdpa driver Xiao Wang
2018-04-15 15:33                         ` [dpdk-dev] [PATCH v7 1/5] vfio: extend data structure for multi container Xiao Wang
2018-04-16 10:02                           ` Burakov, Anatoly
2018-04-16 12:22                             ` Wang, Xiao W
2018-04-16 15:34                           ` [dpdk-dev] [PATCH v8 0/5] add ifcvf vdpa driver Xiao Wang
2018-04-16 15:34                             ` [dpdk-dev] [PATCH v8 1/5] vfio: extend data structure for multi container Xiao Wang
2018-04-16 15:56                               ` Burakov, Anatoly
2018-04-16 15:34                             ` [dpdk-dev] [PATCH v8 2/5] vfio: add multi container support Xiao Wang
2018-04-16 15:58                               ` Burakov, Anatoly
2018-04-17  7:06                               ` [dpdk-dev] [PATCH v9 0/5] add ifcvf vdpa driver Xiao Wang
2018-04-17  7:06                                 ` [dpdk-dev] [PATCH v9 1/5] vfio: extend data structure for multi container Xiao Wang
2018-04-17  7:06                                 ` [dpdk-dev] [PATCH v9 2/5] vfio: add multi container support Xiao Wang
2018-04-17  7:06                                 ` [dpdk-dev] [PATCH v9 3/5] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-17  7:06                                 ` [dpdk-dev] [PATCH v9 4/5] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-17  7:06                                 ` [dpdk-dev] [PATCH v9 5/5] doc: add ifcvf driver document and release note Xiao Wang
2018-04-17 11:13                                 ` [dpdk-dev] [PATCH v9 0/5] add ifcvf vdpa driver Ferruh Yigit
2018-04-16 15:34                             ` [dpdk-dev] [PATCH v8 3/5] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-16 15:34                             ` [dpdk-dev] [PATCH v8 4/5] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-16 15:34                             ` [dpdk-dev] [PATCH v8 5/5] doc: add ifcvf driver document and release note Xiao Wang
2018-04-16 16:36                             ` [dpdk-dev] [PATCH v8 0/5] add ifcvf vdpa driver Ferruh Yigit
2018-04-16 18:07                               ` Thomas Monjalon
2018-04-17  5:36                                 ` Wang, Xiao W
2018-04-15 15:33                         ` [dpdk-dev] [PATCH v7 2/5] vfio: add multi container support Xiao Wang
2018-04-16 10:03                           ` Burakov, Anatoly
2018-04-16 12:44                             ` Wang, Xiao W
2018-04-15 15:33                         ` [dpdk-dev] [PATCH v7 3/5] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-15 15:33                         ` [dpdk-dev] [PATCH v7 4/5] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-15 15:33                         ` [dpdk-dev] [PATCH v7 5/5] doc: add ifcvf driver document and release note Xiao Wang
2018-04-12  7:19                     ` [dpdk-dev] [PATCH v6 2/4] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-12  7:19                     ` [dpdk-dev] [PATCH v6 3/4] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-12  7:19                     ` [dpdk-dev] [PATCH v6 4/4] doc: add ifcvf driver document and release note Xiao Wang
2018-04-05 18:07                 ` [dpdk-dev] [PATCH v5 " Xiao Wang
2018-04-11 18:59                 ` [dpdk-dev] [PATCH v5 0/4] add ifcvf vdpa driver Ferruh Yigit
2018-04-12  5:47                   ` Wang, Xiao W
2018-04-04 14:40             ` [dpdk-dev] [PATCH v4 2/4] net/virtio: skip device probe in vdpa mode Xiao Wang
2018-04-04 14:40             ` [dpdk-dev] [PATCH v4 3/4] net/ifcvf: add ifcvf vdpa driver Xiao Wang
2018-04-04 14:40             ` [dpdk-dev] [PATCH v4 4/4] doc: add ifcvf driver document and release note Xiao Wang
2018-03-31  2:29         ` [dpdk-dev] [PATCH v3 4/4] net/ifcvf: add " Xiao Wang
2018-03-31 11:28           ` Maxime Coquelin
2018-03-09 23:08 ` [dpdk-dev] [PATCH 3/3] net/ifcvf: add ifcvf driver Xiao Wang
2018-03-10 18:23 ` [dpdk-dev] [PATCH 0/3] " Maxime Coquelin
2018-03-15 16:49   ` Wang, Xiao W
2018-03-21 20:47     ` Maxime Coquelin
2018-03-23 10:27       ` Wang, Xiao W
2018-03-25  9:51         ` Maxime Coquelin
2018-03-26  9:05           ` Wang, Xiao W
2018-03-26 13:29             ` Maxime Coquelin
2018-03-27  4:40               ` Wang, Xiao W
2018-03-27  5:09                 ` Maxime Coquelin

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