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From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Shahaf Shuler <shahafs@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 3/7] net/mlx5: split PCI from generic probing code
Date: Wed, 27 Jun 2018 15:31:48 +0200	[thread overview]
Message-ID: <20180627133148.GS4025@6wind.com> (raw)
In-Reply-To: <DB7PR05MB4426658A7B634342D0739177C3720@DB7PR05MB4426.eurprd05.prod.outlook.com>

On Sun, Jun 17, 2018 at 10:14:58AM +0000, Shahaf Shuler wrote:
> Thursday, June 14, 2018 11:35 AM, Adrien Mazarguil:
> > Subject: [PATCH v2 3/7] net/mlx5: split PCI from generic probing code
> > 
> > All the generic probing code needs is an IB device. While this device is
> > currently supplied by a PCI lookup, other methods will be added soon.
> > 
> > This patch divides the original function, which has become huge over time, as
> > follows:
> > 
> > 1. PCI-specific (mlx5_pci_probe()).
> > 2. All ports of a Verbs device (mlx5_dev_spawn()).
> > 3. A given port of a Verbs device (mlx5_dev_spawn_one()).
> > 
> > (Patch based on prior work from Yuanhan Liu)
> > 
> > Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
> > --
> > v2 changes:
> > 
> > - Fixed device naming. A port suffix is now appended only if several IB
> >   ports happen to be detected.
> > - Added separate message to distinguish missing kernel drivers from other
> >   initialization errors, as it was confusing.
<snip>
> > +static int
> > +mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
> > +	       struct rte_pci_device *pci_dev) {
> > +	struct ibv_device **ibv_list;
> > +	struct rte_eth_dev **eth_list = NULL;
> > +	int vf;
> > +	int ret;
> > +
> > +	assert(pci_drv == &mlx5_driver);
> > +	switch (pci_dev->id.device_id) {
> > +	case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
> > +	case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
> > +	case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
> > +	case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
> > +		vf = 1;
> > +		break;
> > +	default:
> > +		vf = 0;
> > +	}
> 
> Even though I couldn't find any functional bug, I think it is logically more correct to determine if pci device is vf after we know this is Mellanox device. 
> Meaning the above block should be ...

<snip> 
> > +	while (ret-- > 0) {
> > +		struct rte_pci_addr pci_addr;
> > +
> > +		DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]-
> > >name);
> > +		if (mlx5_ibv_device_to_pci_addr(ibv_list[ret], &pci_addr))
> > +			continue;
> > +		if (pci_dev->addr.domain != pci_addr.domain ||
> > +		    pci_dev->addr.bus != pci_addr.bus ||
> > +		    pci_dev->addr.devid != pci_addr.devid ||
> > +		    pci_dev->addr.function != pci_addr.function)
> > +			continue;
> > +		DRV_LOG(INFO, "PCI information matches, using device
> > \"%s\"",
> > +			ibv_list[ret]->name);
> > +		break;
> > +	}
> 
> Here. 

No problem, I will update.

-- 
Adrien Mazarguil
6WIND

  reply	other threads:[~2018-06-27 13:32 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-25 16:35 [dpdk-dev] [PATCH 0/7] net/mlx5: add port representor support Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 1/7] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-06-10 11:00   ` Xueming(Steven) Li
2018-06-12 13:19     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 2/7] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-06-10 11:00   ` Xueming(Steven) Li
2018-06-12 13:19     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 3/7] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-06-10 12:59   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 4/7] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-06-11 11:42   ` Xueming(Steven) Li
2018-05-25 16:35 ` [dpdk-dev] [PATCH 5/7] net/mlx5: add port representor awareness Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 6/7] net/mlx5: probe all port representors Adrien Mazarguil
2018-06-12  6:42   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-05-25 16:35 ` [dpdk-dev] [PATCH 7/7] net/mlx5: add parameter for " Adrien Mazarguil
2018-06-12  8:02   ` Xueming(Steven) Li
2018-06-12 13:20     ` Adrien Mazarguil
2018-06-12 13:43       ` Xueming(Steven) Li
2018-06-14  8:01         ` Adrien Mazarguil
2018-06-12 14:44   ` Xueming(Steven) Li
2018-06-13 13:11     ` Adrien Mazarguil
2018-06-14  8:34 ` [dpdk-dev] [PATCH v2 0/7] net/mlx5: add port representor support Adrien Mazarguil
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 1/7] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-06-16  8:24     ` Xueming(Steven) Li
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 2/7] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-06-16  8:27     ` Xueming(Steven) Li
2018-06-17 10:14     ` Shahaf Shuler
2018-06-27 13:30       ` Adrien Mazarguil
2018-06-28  5:35         ` Shahaf Shuler
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 3/7] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-06-16  8:29     ` Xueming(Steven) Li
2018-06-17 10:14     ` Shahaf Shuler
2018-06-27 13:31       ` Adrien Mazarguil [this message]
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 4/7] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-06-14  8:34   ` [dpdk-dev] [PATCH v2 5/7] net/mlx5: add port representor awareness Adrien Mazarguil
2018-06-16  8:37     ` Xueming(Steven) Li
2018-06-27 13:32       ` Adrien Mazarguil
2018-06-14  8:35   ` [dpdk-dev] [PATCH v2 6/7] net/mlx5: probe all port representors Adrien Mazarguil
2018-06-16  8:57     ` Xueming(Steven) Li
2018-06-17 10:15       ` Shahaf Shuler
2018-06-24 13:33         ` Shahaf Shuler
2018-06-27 13:32           ` Adrien Mazarguil
2018-06-28  5:57             ` Shahaf Shuler
2018-06-28  9:13               ` Adrien Mazarguil
2018-06-27 13:32         ` Adrien Mazarguil
2018-06-27 17:30           ` Xueming(Steven) Li
2018-06-28  6:01           ` Shahaf Shuler
2018-06-28  8:45             ` Adrien Mazarguil
2018-06-28  9:06               ` Shahaf Shuler
2018-06-27 13:32       ` Adrien Mazarguil
2018-06-14  8:35   ` [dpdk-dev] [PATCH v2 7/7] net/mlx5: add parameter for " Adrien Mazarguil
2018-06-16  8:59     ` Xueming(Steven) Li
2018-07-04 17:27   ` [dpdk-dev] [PATCH v3 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-04 17:27     ` [dpdk-dev] [PATCH v3 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-05  8:45     ` [dpdk-dev] [PATCH v4 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-09 11:57         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 10:13             ` Shahaf Shuler
2018-07-10 10:58               ` Adrien Mazarguil
2018-07-10 11:17                 ` Shahaf Shuler
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-09 11:57         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 10:16             ` Shahaf Shuler
2018-07-10 10:58               ` Adrien Mazarguil
2018-07-10 11:15                 ` Shahaf Shuler
2018-07-05  8:45       ` [dpdk-dev] [PATCH v4 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-09 11:58         ` Shahaf Shuler
2018-07-10  9:37           ` Adrien Mazarguil
2018-07-10 16:04       ` [dpdk-dev] [PATCH v5 00/10] net/mlx5: add port representor support Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 01/10] net/mlx5: rename confusing object in probe code Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 02/10] net/mlx5: remove redundant objects " Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 03/10] net/mlx5: drop useless support for several Verbs ports Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 04/10] net/mlx5: split PCI from generic probing code Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 05/10] net/mlx5: re-indent generic probing function Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 06/10] net/mlx5: add port representor awareness Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 07/10] net/mlx5: probe all port representors Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 08/10] net/mlx5: probe port representors in natural order Adrien Mazarguil
2018-07-10 16:04         ` [dpdk-dev] [PATCH v5 09/10] net/mlx5: add parameter for port representors Adrien Mazarguil
2018-07-10 16:05         ` [dpdk-dev] [PATCH v5 10/10] net/mlx5: support negative identifiers " Adrien Mazarguil
2018-07-12  7:51         ` [dpdk-dev] [PATCH v5 00/10] net/mlx5: add port representor support Shahaf Shuler

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