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From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: "Wiles, Keith" <keith.wiles@intel.com>,
	"jerin.jacob@caviumnetworks.com" <jerin.jacob@caviumnetworks.com>
Cc: Jan Blunck <jblunck@infradead.org>, "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 3/7] eal: move virtual device probing into a bus
Date: Wed, 15 Feb 2017 14:27:47 +0000	[thread overview]
Message-ID: <DB5PR0401MB20540174CD3402FF8B0782AE905B0@DB5PR0401MB2054.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <7843A545-14B6-4CD9-9689-ABD123B85890@intel.com>

> -----Original Message-----
> From: Wiles, Keith [mailto:keith.wiles@intel.com]
> Sent: Wednesday, February 15, 2017 7:53 PM
> To: Shreyansh Jain <shreyansh.jain@nxp.com>
> Cc: Jan Blunck <jblunck@infradead.org>; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 3/7] eal: move virtual device probing into a
> bus
> 
> 
> > On Feb 15, 2017, at 8:15 AM, Shreyansh Jain <shreyansh.jain@nxp.com> wrote:
> >
> > On Wednesday 15 February 2017 07:41 PM, Shreyansh Jain wrote:
> >> On Wednesday 15 February 2017 03:32 PM, Jan Blunck wrote:
> >>> This is a refactoring of the virtual device probing which moves into into
> >>> a proper bus structure.
> >>>
> >>> Signed-off-by: Jan Blunck <jblunck@infradead.org>
> >>> ---
> >>> lib/librte_eal/common/eal_common_dev.c  | 22 -----------------
> >>> lib/librte_eal/common/eal_common_vdev.c | 44
> >>> +++++++++++++++++++++++++++++++++
> >>> 2 files changed, 44 insertions(+), 22 deletions(-)
> >>>
> >>
> >> [...]
> >>
> >>>
> >>> diff --git a/lib/librte_eal/common/eal_common_vdev.c
> >>> b/lib/librte_eal/common/eal_common_vdev.c
> >>> index 7d6e54f..523a3d6 100644
> >>> --- a/lib/librte_eal/common/eal_common_vdev.c
> >>> +++ b/lib/librte_eal/common/eal_common_vdev.c
> >>> @@ -37,8 +37,10 @@
> >>> #include <stdint.h>
> >>> #include <sys/queue.h>
> >>>
> >> [...]
> >>
> >>> +
> >>> +static struct rte_bus rte_vdev_bus = {
> >>> +    .scan = vdev_scan,
> >>> +    .probe = vdev_probe,
> >>> +};
> >>> +
> >>> +RTE_REGISTER_BUS_LATE(virtual, rte_vdev_bus);
> >>>
> >>
> >> Does it matter if VDEV buses are registered before or after other
> >> buses? Either way, the callbacks would be called in the order specified
> >> in EAL.
> >>
> >>
> >
> > Just ignore this comment - I am misunderstood something.
> >
> > But another question: Is there specific reason VDEV should be
> registered/scanned *after* other devices? Is there some specific problem if
> we do otherwise? (I think this is should be done, but I don't have a specific
> reason).
> 
> Does the bonding driver which uses physical devices need to be registered
> after physical ones? In Pktgen I noticed the vdev after the physical ports
> and I could not blacklist them as the bonding driver needed them, which
> caused the bonding ports to have a greater port number. In the case of pktgen
> the bonding ports were up around 8 or 10 and caused the display to not show
> the bonding ports. This is really just a usability problem for the developer
> using Pktgen. I would like to see the vdev devices first, but as long as the
> drivers (like bonding) are fine with them being first.

Ah, now I remember - there was a patch from Jerin for this.
Probably he is the best person to comment here.
(I don't have much insight here). 

> 
> Regards,
> Keith

  reply	other threads:[~2017-02-15 14:28 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-15 10:02 [dpdk-dev] [PATCH 0/7] Rework vdev probing to use rte_bus infrastructure Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 1/7] eal: use different constructor priorities for initcalls Jan Blunck
2017-02-15 14:37   ` Shreyansh Jain
2017-02-15 15:05     ` Jan Blunck
2017-02-16  5:59       ` Shreyansh Jain
2017-02-15 10:02 ` [dpdk-dev] [PATCH 2/7] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-15 14:03   ` Shreyansh Jain
2017-02-15 10:02 ` [dpdk-dev] [PATCH 3/7] eal: move virtual device probing into a bus Jan Blunck
2017-02-15 14:11   ` Shreyansh Jain
2017-02-15 14:13     ` Jan Blunck
2017-02-15 14:20       ` Shreyansh Jain
2017-02-15 14:15     ` Shreyansh Jain
2017-02-15 14:22       ` Wiles, Keith
2017-02-15 14:27         ` Shreyansh Jain [this message]
2017-02-15 17:25           ` Jerin Jacob
2017-02-15 18:09             ` Wiles, Keith
2017-02-15 20:06               ` Jan Blunck
2017-02-15 21:56                 ` Wiles, Keith
2017-02-15 17:06         ` Jan Blunck
2017-02-15 17:10           ` Wiles, Keith
2017-02-15 17:22             ` Wiles, Keith
2017-02-15 10:02 ` [dpdk-dev] [PATCH 4/7] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-15 17:11   ` Ferruh Yigit
2017-02-15 10:02 ` [dpdk-dev] [PATCH 5/7] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 6/7] eal: add struct rte_vdev_device Jan Blunck
2017-02-15 17:11   ` Ferruh Yigit
2017-02-16 15:55     ` Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 7/7] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-02-15 17:11   ` Ferruh Yigit
2017-02-15 17:11 ` [dpdk-dev] [PATCH 0/7] Rework vdev probing to use rte_bus infrastructure Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 0/8] " Jan Blunck
2017-02-21  6:44   ` Shreyansh Jain
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 00/10] " Jan Blunck
2017-02-27 13:09     ` Jan Blunck
2017-02-28  8:48       ` Shreyansh Jain
2017-02-28  9:19         ` Jan Blunck
2017-02-28  9:28           ` Shreyansh Jain
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 " Jan Blunck
2017-03-13 17:55       ` Thomas Monjalon
2017-03-27  7:47         ` Jan Blunck
2017-04-11 15:44       ` [dpdk-dev] [PATCH v5 00/12] " Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 01/12] eal: probe new virtual bus after other bus devices Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 02/12] eal: move virtual device probing into a bus Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 03/12] eal: remove unused rte_eal_dev_init() Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 04/12] eal: Refactor vdev driver probe/remove Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 05/12] eal: add struct rte_vdev_device Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 06/12] eal: add virtual device name helper function Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 07/12] eal: add virtual device arguments " Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 08/12] eal: make virtual bus use rte_vdev_device Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 09/12] eal: make virtual driver probe and remove take rte_vdev_device Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 10/12] net/kni: use generic vdev for probe and remove Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 11/12] crypto: " Gaetan Rivet
2017-04-11 15:44         ` [dpdk-dev] [PATCH v5 12/12] event: " Gaetan Rivet
2017-04-14 12:21         ` [dpdk-dev] [PATCH v5 00/12] Rework vdev probing to use rte_bus infrastructure Thomas Monjalon
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 01/10] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 02/10] eal: probe new virtual bus after " Jan Blunck
2017-03-13 17:42       ` Thomas Monjalon
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 03/10] eal: move virtual device probing into a bus Jan Blunck
2017-03-13 17:44       ` Thomas Monjalon
2017-03-27  7:46         ` Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 04/10] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 05/10] eal: Refactor vdev driver probe/remove Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 06/10] eal: add struct rte_vdev_device Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 07/10] eal: add virtual device name helper function Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 08/10] eal: add virtual device arguments " Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 09/10] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-03-13 17:51       ` Thomas Monjalon
2017-03-27  7:43         ` Jan Blunck
2017-03-06 10:56     ` [dpdk-dev] [PATCH v4 10/10] eal: make virtual driver probe and remove take rte_vdev_device Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 01/10] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 02/10] eal: probe new virtual bus after " Jan Blunck
2017-02-27  8:59     ` Shreyansh Jain
2017-02-27  9:09       ` Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 03/10] eal: move virtual device probing into a bus Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 04/10] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 05/10] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 06/10] eal: add struct rte_vdev_device Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 07/10] eal: add virtual device name helper function Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 08/10] eal: add virtual device arguments " Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 09/10] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-02-25 10:28   ` [dpdk-dev] [PATCH v3 10/10] eal: make virtual driver probe and remove take rte_vdev_device Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 1/8] eal: use different constructor priorities for initcalls Jan Blunck
2017-02-21 12:30   ` Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 2/8] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 3/8] eal: move virtual device probing into a bus Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 4/8] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 5/8] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 6/8] eal: add struct rte_vdev_device Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 7/8] eal: add virtual device name helper function Jan Blunck
2017-02-21 12:25   ` Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 8/8] eal: make virtual bus use rte_vdev_device Jan Blunck

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