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From: Neil Horman <nhorman@tuxdriver.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Neil Horman <nhorman@redhat.com>
Subject: Re: [PATCH v2 10/10] pci: place all uio pci device ids in a dedicated section
Date: Tue, 19 Jan 2016 15:56:14 -0500	[thread overview]
Message-ID: <20160119205614.GA24277@hmsreliant.think-freely.org> (raw)
In-Reply-To: <20160119081019.607a9b48@xeon-e3>

On Tue, Jan 19, 2016 at 08:10:19AM -0800, Stephen Hemminger wrote:
> On Tue, 19 Jan 2016 09:29:31 -0500
> Neil Horman <nhorman@redhat.com> wrote:
> 
> > On Tue, Jan 19, 2016 at 08:30:40AM +0100, Thomas Monjalon wrote:
> > > 2016-01-18 13:30, David Marchand:
> > > > We could do something à la modinfo, but let's keep it simple for now.
> > > > 
> > > > With this, you can extract the devices that need to be bound to uio / vfio
> > > > with tools like objdump :
> > > > 
> > > > $ objdump -j rte_pci_id_uio -s build/lib/librte_pmd_fm10k.so
> > > > 
> > > > Contents of section rte_pci_id_uio:
> > > >  15760 8680a415 ffffffff 8680d015 ffffffff  ................
> > > >  15770 8680a515 ffffffff 00000000 00000000  ................
> > > 
> > > Yes we need a modinfo-like tool.
> > > Currently, the UIO/VFIO binding can be done after parsing the PCI device list.
> > > It is better to define the device ids locally to their drivers but it must
> > > be integrated with an appropriate parsing tool at the same time.
> > > And more importantly than any tool, the format of these ELF data must be
> > > properly defined, documented and extensible.
> > > 
> > > Is there someone experimented with such format definition?
> > > Stephen, you were asking for this change, what is your opinion?
> > > I remember that Neil was also interested in this change:
> > > 	http://dpdk.org/ml/archives/dev/2015-January/012115.html
> > > Panu, Christian, this change could be related to distribution packaging.
> > > Thanks for helping to move this change forward.
> > 
> > Yes, I would be interested in seeing this.  Is the ask here that someone do it?
> > As I recall from the last thread that you reference, I thought David M was
> > interested in writing it and soliciting for ideas.  If thats no longer the case,
> > I can take a stab at writing it.
> > 
> > Neil
> > 
> 
> If these are libraries is there a way to have a real entry point
> to dump PCI id's. 
> 
Sure, you could write a method that could be dlsym-ed easily enough to fetch an
array of pci ids, or just print stuff the console.  Not sure thats the best way,
but definately an option
Neil

  reply	other threads:[~2016-01-19 20:56 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-05 19:37 time to kill rte_pci_dev_ids.h Stephen Hemminger
2016-01-06  1:40 ` Thomas Monjalon
2016-01-08 13:20   ` David Marchand
2016-01-10 12:50     ` [PATCH 00/11] kill global pci device id list David Marchand
2016-01-10 12:50       ` [PATCH 01/11] e1000: move pci device ids to driver David Marchand
2016-01-10 12:50       ` [PATCH 02/11] ixgbe: " David Marchand
2016-01-10 12:50       ` [PATCH 03/11] i40e: " David Marchand
2016-01-10 20:02         ` Stephen Hemminger
2016-01-12  8:45           ` David Marchand
2016-01-10 12:50       ` [PATCH 04/11] fm10k: " David Marchand
2016-01-10 12:50       ` [PATCH 05/11] virtio: " David Marchand
2016-01-10 12:50       ` [PATCH 06/11] vmxnet3: " David Marchand
2016-01-10 12:50       ` [PATCH 07/11] enic: " David Marchand
2016-01-10 12:50       ` [PATCH 08/11] bnx2x: " David Marchand
2016-01-10 12:50       ` [PATCH 09/11] doc: refresh headers list David Marchand
2016-01-12 14:06         ` Mcnamara, John
2016-01-16 15:10           ` David Marchand
2016-01-18  9:47             ` Thomas Monjalon
2016-01-18 16:25             ` Mcnamara, John
2016-01-10 12:50       ` [PATCH 10/11] pci: no need for global device ids list David Marchand
2016-01-10 12:50       ` [PATCH 11/11] pci: place all uio pci device ids in a dedicated section David Marchand
2016-01-10 12:58       ` [PATCH 00/11] kill global pci device id list David Marchand
2016-01-10 13:24         ` Thomas Monjalon
2016-01-10 13:26           ` David Marchand
2016-01-10 13:27             ` David Marchand
2016-01-10 15:53       ` Zhang, Helin
2016-01-16 15:02         ` David Marchand
2016-01-21  1:12           ` Zhang, Helin
2016-01-18 12:30       ` [PATCH v2 00/10] " David Marchand
2016-01-18 12:30         ` [PATCH v2 01/10] e1000: move pci device ids to driver David Marchand
2016-01-18 12:30         ` [PATCH v2 02/10] ixgbe: " David Marchand
2016-01-18 12:30         ` [PATCH v2 03/10] i40e: " David Marchand
2016-01-18 12:30         ` [PATCH v2 04/10] fm10k: " David Marchand
2016-01-18 12:30         ` [PATCH v2 05/10] virtio: " David Marchand
2016-01-18 12:30         ` [PATCH v2 06/10] vmxnet3: " David Marchand
2016-01-18 12:30         ` [PATCH v2 07/10] enic: " David Marchand
2016-01-18 12:30         ` [PATCH v2 08/10] bnx2x: " David Marchand
2016-01-18 12:30         ` [PATCH v2 09/10] pci: no need for global device ids list David Marchand
2016-01-18 12:30         ` [PATCH v2 10/10] pci: place all uio pci device ids in a dedicated section David Marchand
2016-01-19  7:30           ` Thomas Monjalon
2016-01-19 14:29             ` Neil Horman
2016-01-19 16:10               ` Stephen Hemminger
2016-01-19 20:56                 ` Neil Horman [this message]
2016-01-19 21:35                   ` Stephen Hemminger
2016-01-20 15:40                     ` Neil Horman
2016-02-24 11:37                       ` Bruce Richardson
2016-02-24 11:50                         ` Thomas Monjalon
2016-02-24 14:18                           ` Neil Horman
2016-04-20 12:43         ` [PATCH v3 00/13] kill global pci device id list David Marchand
2016-04-20 12:43           ` [PATCH v3 01/13] e1000: move pci device ids to driver David Marchand
2016-04-20 13:29             ` Neil Horman
2016-04-20 13:39               ` David Marchand
2016-04-20 18:15                 ` Neil Horman
2016-04-21  7:27                   ` David Marchand
2016-04-21 12:08                     ` Neil Horman
2016-04-21 12:41                       ` Thomas Monjalon
2016-04-22 12:13                         ` Neil Horman
2016-04-22 13:22                           ` Thomas Monjalon
2016-07-08 13:31             ` Thomas Monjalon
2016-07-11  5:33               ` Yuanhan Liu
2016-07-11  5:56                 ` Thomas Monjalon
2016-07-11  6:05                   ` Yuanhan Liu
2016-07-11 11:35                   ` David Marchand
2016-07-11 12:05                     ` Yuanhan Liu
2016-04-20 12:43           ` [PATCH v3 02/13] ixgbe: " David Marchand
2016-04-29  1:34             ` Wu, Jingjing
2016-05-04  8:26               ` David Marchand
2016-04-20 12:43           ` [PATCH v3 03/13] i40e: " David Marchand
2016-04-20 12:43           ` [PATCH v3 04/13] fm10k: " David Marchand
2016-04-20 12:43           ` [PATCH v3 05/13] virtio: " David Marchand
2016-04-20 12:43           ` [PATCH v3 06/13] vmxnet3: " David Marchand
2016-04-20 12:43           ` [PATCH v3 07/13] enic: " David Marchand
2016-04-20 12:43           ` [PATCH v3 08/13] bnx2x: " David Marchand
2016-04-20 12:43           ` [PATCH v3 09/13] ena: remove unneeded pci macro David Marchand
2016-04-20 12:43           ` [PATCH v3 10/13] pci: no need for global device ids list David Marchand
2016-04-20 12:43           ` [PATCH v3 11/13] drivers: constify pci id tables David Marchand
2016-04-20 12:43           ` [PATCH v3 12/13] drivers: export pci drivers David Marchand
2016-04-20 12:43           ` [PATCH v3 13/13] app: introduce dpdk-obj-info tool David Marchand
2016-04-21  8:07           ` [PATCH v3 00/13] kill global pci device id list David Marchand
2016-04-21 12:13             ` Neil Horman
2016-07-11 14:40           ` [PATCH v4 00/10] kill global pci device id list (almost) David Marchand
2016-07-11 14:40             ` [PATCH v4 01/10] eal: remove PCI device ids header from doxygen David Marchand
2016-07-11 14:40             ` [PATCH v4 02/10] net/e1000: move em PCI device ids to the driver David Marchand
2016-07-11 14:40             ` [PATCH v4 03/10] net/i40e: move " David Marchand
2016-07-11 14:40             ` [PATCH v4 04/10] net/fm10k: " David Marchand
2016-07-11 14:40             ` [PATCH v4 05/10] net/virtio: " David Marchand
2016-07-11 14:40             ` [PATCH v4 06/10] net/vmxnet3: " David Marchand
2016-07-11 14:40             ` [PATCH v4 07/10] net/enic: " David Marchand
2016-07-11 14:40             ` [PATCH v4 08/10] net/bnx2x: " David Marchand
2016-07-11 14:40             ` [PATCH v4 09/10] net/bnxt: " David Marchand
2016-07-11 14:40             ` [PATCH v4 10/10] net/ena: remove unneeded PCI macro David Marchand
2016-07-11 16:27             ` [PATCH v4 00/10] kill global pci device id list (almost) Thomas Monjalon

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