From: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
To: "Xueming(Steven) Li" <xuemingl@nvidia.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Slava Ovsiienko <viacheslavo@nvidia.com>,
Asaf Penso <asafp@nvidia.com>
Subject: Re: [dpdk-dev] [PATCH v5 0/9] ethdev: support SubFunction representor
Date: Mon, 1 Feb 2021 11:39:29 +0300 [thread overview]
Message-ID: <6de02e03-2ab1-240e-1767-74bcc4403080@oktetlabs.ru> (raw)
In-Reply-To: <BY5PR12MB4324D8651AFBC13244F21C3BA1BA9@BY5PR12MB4324.namprd12.prod.outlook.com>
On 1/28/21 5:31 PM, Xueming(Steven) Li wrote:
> <snip>
>>> The patch of device SF capability, but seems I misunderstood your suggestion.
>>> Let me explain process to create a SF:
>>> 1. SF can be created on the fly with scripts, unlike VF which is statically pre-created.
>>
>> Is there a maximum index and maximum total number of SF's created? How to find it?
>
> The maximum index is defined by firmware configuration, all SF's information could be found
> from sysfs. To create a SF, both PCI and sfnum have to be specified.
sysfs is obviously Linux specific. I think the information
should be available via DPDK API.
>>
>>> 2. SF is created on a PF with a SF number. SF number is named per PF, different PF may have same SF number.
>>> 3. For standalone PF, hot plug to DPDK using "PF#_BDF,representor=sf#", no need to use pf#sf# here.
>>> 4. For bonding netdev, hot plug to DPDK using "PF0_BDF,representor=pf#sf#"
>>> If using new api to return all representor IDs, need some way locate
>>> the new created SF by PF and SF number, that's why "pf#sf#" is used in this patch set.
>>
>> I think the API should simply reserve/report space for maximum number of SFs. So, IDs are stable across restart/reboot in assumption
>> that NIC is not reconfigured (changed maximum number of VF or maximum number of SFs of any PF).
>
> Yes, IDs should be stable as long as no NIC firmware configuration change.
>
> Just clarify, this api should be common enough to report all devices that a bus device supports:
> 1. name, might contains controller and pf info, example: "eth:representor:c0pf1vf"
> 2. ID range, example: 0-127
> The api describes ID ranges for each sub device type, users have to query the api and choose representor ID to probe.
>
> Prototype:
> struct rte_bus_device_range {
> char name[64];
> uint32_t base;
> uint32_t number;
> }
> /* return number of ranges filled, or number of ranges if list is NULL. */
> int rte_bus_ dev_range_get(struct rte_bus_device_range *list, int n);
Hm, I thought about more port representor specific API.
For me it is hard to tell if such generic naming is good or
bad. I think it should be proven that such generic API
makes sense. Any other potential users / use cases?
I've considered ethdev API which returns (in similar way as
above) list of possible port representors which could be
controlled by the device. Also I think it would be useful
to include type information (enum with PF, VF, SF),
controller ID.
There is one more bit which is not in the picture yet -
switch_info.port_id. Should it be equal to representor
ID? Or different and provided in the info structure?
next prev parent reply other threads:[~2021-02-01 8:39 UTC|newest]
Thread overview: 209+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 14:55 [dpdk-dev] [RFC 0/7] " Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 1/7] ethdev: support sub function representor Xueming Li
2020-12-28 11:59 ` Andrew Rybchenko
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 0/9] support SubFunction representor Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 1/9] ethdev: refactor representor infrastructure Xueming Li
2021-01-07 6:31 ` Somnath Kotur
2021-01-07 6:38 ` Xueming(Steven) Li
2021-01-07 6:40 ` Somnath Kotur
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 2/9] ethdev: support new VF representor syntax Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 3/9] ethdev: support sub function representor Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 4/9] ethdev: support PF index in representor Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 5/9] ethdev: support multi-host representor Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 6/9] devarg: change reprsentor ID to bitmap Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 7/9] ethdev: capability of new representor syntax Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 8/9] kvargs: update parser for " Xueming Li
2021-01-06 16:17 ` [dpdk-dev] [PATCH v2 9/9] eal: allow PCI device with different representors Xueming Li
2021-01-06 16:39 ` [dpdk-dev] [PATCH v2 0/4] net/mlx5: support SubFunction representor Xueming Li
2021-01-06 16:39 ` [dpdk-dev] [PATCH v2 1/4] common/mlx5: update representor name parsing Xueming Li
2021-01-06 16:39 ` [dpdk-dev] [PATCH v2 2/4] net/mlx5: support representor of sub function Xueming Li
2021-01-06 16:39 ` [dpdk-dev] [PATCH v2 3/4] net/mlx5: revert setting representor to first PF Xueming Li
2021-01-06 16:39 ` [dpdk-dev] [PATCH v2 4/4] net/mlx5: improve bonding representor probe Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 1/9] ethdev: refactor representor infrastructure Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 2/9] ethdev: support new VF representor syntax Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 3/9] ethdev: support sub function representor Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 4/9] ethdev: support PF index in representor Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 5/9] ethdev: support multi-host representor Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 6/9] devarg: change reprsentor ID to bitmap Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 7/9] ethdev: capability of new representor syntax Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 8/9] kvargs: update parser for " Xueming Li
2021-01-13 13:44 ` [dpdk-dev] [PATCH v3 9/9] eal: probe devices of same PCI but different devargs Xueming Li
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-18 16:24 ` Thomas Monjalon
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 1/9] ethdev: introduce representor type Xueming Li
2021-01-18 15:44 ` Thomas Monjalon
2021-01-18 17:42 ` Ajit Khaparde
2021-01-18 17:57 ` Thomas Monjalon
2021-01-18 18:00 ` Ajit Khaparde
2021-01-18 18:15 ` Thomas Monjalon
2021-01-18 18:17 ` Ajit Khaparde
2021-01-18 23:41 ` Xueming(Steven) Li
2021-01-19 7:39 ` Ajit Khaparde
2021-01-19 7:24 ` Andrew Rybchenko
2021-01-19 7:37 ` Xueming(Steven) Li
2021-01-19 7:49 ` Andrew Rybchenko
2021-01-19 7:56 ` Xueming(Steven) Li
2021-01-19 8:39 ` Thomas Monjalon
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 2/9] ethdev: support representor port list Xueming Li
2021-01-18 16:18 ` Thomas Monjalon
2021-01-18 23:23 ` Xueming(Steven) Li
2021-01-19 7:45 ` Andrew Rybchenko
2021-01-19 8:59 ` Xueming(Steven) Li
2021-01-19 9:03 ` Andrew Rybchenko
2021-01-19 10:19 ` Xueming(Steven) Li
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 3/9] ethdev: support new VF representor syntax Xueming Li
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 4/9] ethdev: support sub function representor Xueming Li
2021-01-18 11:16 ` [dpdk-dev] [PATCH v4 5/9] ethdev: support PF index in representor Xueming Li
2021-01-18 11:17 ` [dpdk-dev] [PATCH v4 6/9] ethdev: support multi-host " Xueming Li
2021-01-18 11:17 ` [dpdk-dev] [PATCH v4 7/9] devarg: change representor ID to bitmap Xueming Li
2021-01-18 19:01 ` Ajit Khaparde
2021-01-20 5:51 ` Xueming(Steven) Li
2021-01-18 11:17 ` [dpdk-dev] [PATCH v4 8/9] ethdev: add capability of sub-function representor Xueming Li
2021-01-18 11:17 ` [dpdk-dev] [PATCH v4 9/9] kvargs: update parser to support lists Xueming Li
2021-01-19 7:13 ` [dpdk-dev] [PATCH v5 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-19 8:40 ` Andrew Rybchenko
2021-01-19 14:24 ` Xueming(Steven) Li
2021-01-22 8:21 ` Andrew Rybchenko
2021-01-27 3:04 ` Xueming(Steven) Li
2021-01-27 12:10 ` Andrew Rybchenko
2021-01-28 14:31 ` Xueming(Steven) Li
2021-02-01 8:39 ` Andrew Rybchenko [this message]
2021-02-04 14:15 ` Xueming(Steven) Li
2021-02-05 7:34 ` Andrew Rybchenko
2021-02-05 9:13 ` Xueming(Steven) Li
2021-02-05 9:37 ` Andrew Rybchenko
2021-01-27 17:43 ` Ajit Khaparde
2021-01-28 11:45 ` Xueming(Steven) Li
2021-01-21 3:32 ` Tu, Lijuan
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 1/9] ethdev: introduce representor type Xueming Li
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 2/9] ethdev: support representor port list Xueming Li
2021-01-19 7:48 ` Andrew Rybchenko
2021-01-19 8:19 ` Xueming(Steven) Li
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 3/9] ethdev: support new VF representor syntax Xueming Li
2021-01-19 7:51 ` Andrew Rybchenko
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 4/9] ethdev: support sub function representor Xueming Li
2021-01-19 7:53 ` Andrew Rybchenko
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 5/9] ethdev: support PF index in representor Xueming Li
2021-01-19 8:00 ` Andrew Rybchenko
2021-01-19 9:30 ` Xueming(Steven) Li
2021-01-19 9:36 ` Andrew Rybchenko
2021-01-19 11:57 ` Xueming(Steven) Li
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 6/9] ethdev: support multi-host " Xueming Li
2021-01-19 8:03 ` Andrew Rybchenko
2021-01-19 9:32 ` Xueming(Steven) Li
2021-01-19 7:14 ` [dpdk-dev] [PATCH v5 7/9] devarg: change representor ID to bitmap Xueming Li
2021-01-19 7:36 ` Wang, Haiyue
2021-01-19 8:11 ` Xueming(Steven) Li
2021-01-19 8:20 ` Andrew Rybchenko
2021-01-19 8:33 ` Thomas Monjalon
2021-01-19 11:04 ` Xueming(Steven) Li
2021-01-19 11:15 ` Andrew Rybchenko
2021-01-19 7:15 ` [dpdk-dev] [PATCH v5 8/9] ethdev: add capability of sub-function representor Xueming Li
2021-01-19 8:06 ` Andrew Rybchenko
2021-01-19 11:19 ` Xueming(Steven) Li
2021-01-19 11:29 ` Andrew Rybchenko
2021-01-19 7:15 ` [dpdk-dev] [PATCH v5 9/9] kvargs: update parser to support lists Xueming Li
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 0/9] ethdev: support SubFunction representor Xueming Li
2021-02-23 1:54 ` Stephen Hemminger
2021-02-23 11:45 ` Wang, Haiyue
2021-02-28 13:51 ` Xueming(Steven) Li
2021-03-31 5:49 ` Xueming(Steven) Li
2021-03-31 5:58 ` Wang, Haiyue
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 1/9] ethdev: introduce representor type Xueming Li
2021-02-15 2:25 ` Hyong Youb Kim (hyonkim)
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 2/9] ethdev: support representor port list Xueming Li
2021-02-15 8:13 ` Andrew Rybchenko
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 3/9] ethdev: support new VF representor syntax Xueming Li
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 4/9] ethdev: support sub function representor Xueming Li
2021-02-15 8:25 ` Andrew Rybchenko
2021-02-16 9:00 ` Xueming(Steven) Li
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 5/9] ethdev: support PF index in representor Xueming Li
2021-02-15 8:28 ` Andrew Rybchenko
2021-02-15 8:35 ` Andrew Rybchenko
2021-02-16 14:54 ` Xueming(Steven) Li
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 6/9] ethdev: support multi-host " Xueming Li
2021-02-15 8:37 ` Andrew Rybchenko
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 7/9] ethdev: new API to get representor info Xueming Li
2021-02-15 8:50 ` Andrew Rybchenko
2021-02-16 15:11 ` Xueming(Steven) Li
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-02-15 9:31 ` Andrew Rybchenko
2021-02-16 16:35 ` Xueming(Steven) Li
2021-02-25 7:32 ` Andrew Rybchenko
2021-02-14 3:21 ` [dpdk-dev] [PATCH v6 9/9] kvargs: update parser to support lists Xueming Li
2021-03-02 11:40 ` [dpdk-dev] [PATCH v7 0/9] ethdev: support SubFunction representor Xueming Li
2021-03-02 11:40 ` [dpdk-dev] [PATCH v7 1/9] ethdev: introduce representor type Xueming Li
2021-03-02 11:42 ` [dpdk-dev] [PATCH v7 3/9] ethdev: support new VF representor syntax Xueming Li
2021-03-02 11:42 ` [dpdk-dev] [PATCH v7 4/9] ethdev: support sub function representor Xueming Li
2021-03-02 11:42 ` [dpdk-dev] [PATCH v7 5/9] ethdev: support PF index in representor Xueming Li
2021-03-02 11:51 ` Andrew Rybchenko
2021-03-02 11:43 ` [dpdk-dev] [PATCH v7 6/9] ethdev: support multi-host " Xueming Li
2021-03-02 11:43 ` [dpdk-dev] [PATCH v7 7/9] ethdev: new API to get representor info Xueming Li
2021-03-02 11:56 ` Andrew Rybchenko
2021-03-02 11:43 ` [dpdk-dev] [PATCH v7 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-03-02 14:10 ` Andrew Rybchenko
2021-03-02 15:18 ` Xueming(Steven) Li
2021-03-02 11:44 ` [dpdk-dev] [PATCH v7 9/9] kvargs: update parser to support lists Xueming Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 0/9] ethdev: support SubFunction representor Xueming Li
2021-03-08 16:43 ` Ferruh Yigit
2021-03-09 7:13 ` Xueming(Steven) Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 1/9] ethdev: introduce representor type Xueming Li
2021-03-08 14:35 ` Ferruh Yigit
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 2/9] ethdev: support representor port list Xueming Li
2021-03-08 14:38 ` Ferruh Yigit
2021-03-08 15:58 ` Xueming(Steven) Li
2021-03-08 16:22 ` Ferruh Yigit
2021-03-09 6:16 ` Xueming(Steven) Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 3/9] ethdev: support new VF representor syntax Xueming Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 4/9] ethdev: support sub function representor Xueming Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 5/9] ethdev: support PF index in representor Xueming Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 6/9] ethdev: support multi-host " Xueming Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 7/9] ethdev: new API to get representor info Xueming Li
2021-03-08 14:43 ` Ferruh Yigit
2021-03-08 15:31 ` Xueming(Steven) Li
2021-03-08 16:12 ` Ferruh Yigit
2021-03-09 4:13 ` Xueming(Steven) Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-03-08 16:18 ` Ferruh Yigit
2021-03-09 6:00 ` Xueming(Steven) Li
2021-03-09 8:19 ` Andrew Rybchenko
2021-03-11 13:18 ` Xueming(Steven) Li
2021-03-04 14:30 ` [dpdk-dev] [PATCH v8 9/9] kvargs: update parser to support lists Xueming Li
2021-03-08 14:45 ` Ferruh Yigit
2021-03-08 14:59 ` Xueming(Steven) Li
2021-03-08 15:54 ` Ferruh Yigit
2021-03-08 16:01 ` Xueming(Steven) Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 00/10] ethdev: support SubFunction representor Xueming Li
2021-03-16 19:18 ` Ferruh Yigit
2021-03-17 9:00 ` Xueming(Steven) Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 01/10] ethdev: introduce representor type Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 02/10] ethdev: refactor representor port list parsing Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 03/10] ethdev: support new VF representor syntax Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 04/10] ethdev: support sub function representor Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 05/10] kvargs: update parser to support multiple lists Xueming Li
2021-04-12 16:42 ` Kinsella, Ray
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 06/10] ethdev: support PF index in representor Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 07/10] ethdev: support multi-host " Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 08/10] ethdev: new API to get representor info Xueming Li
2021-03-16 19:18 ` Ferruh Yigit
2021-03-16 21:19 ` Thomas Monjalon
2021-03-16 23:34 ` Ferruh Yigit
2021-03-17 6:57 ` Thomas Monjalon
2021-03-17 17:11 ` Ferruh Yigit
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 09/10] ethdev: representor iterator compare complete info Xueming Li
2021-03-11 13:13 ` [dpdk-dev] [PATCH v9 10/10] doc/release: add representor enhancements Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 2/7] ethdev: support multi-host representor Xueming Li
2020-12-28 13:43 ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 3/7] devarg: change reprsentor ID to bitmap Xueming Li
2020-12-28 13:36 ` Andrew Rybchenko
2021-01-05 6:19 ` Xueming(Steven) Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 4/7] ethdev: capability for new representor syntax Xueming Li
2020-12-28 12:02 ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 5/7] kvargs: update parser " Xueming Li
2020-12-28 13:21 ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 6/7] common/mlx5: update representor name parsing Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 7/7] net/mlx5: support representor of sub function Xueming Li
2020-12-28 13:44 ` [dpdk-dev] [RFC 0/7] support SubFunction representor Andrew Rybchenko
2020-12-30 8:54 ` Xueming(Steven) Li
2020-12-30 11:07 ` Thomas Monjalon
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