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From: Sunil Kumar Kori <skori@marvell.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
	Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	David Marchand <david.marchand@redhat.com>
Subject: Re: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus scanning to allowed devices
Date: Mon, 6 Apr 2020 09:32:43 +0000
Message-ID: <BY5PR18MB31053CA38F8CB4F623EC79E9B4C20@BY5PR18MB3105.namprd18.prod.outlook.com> (raw)
In-Reply-To: <CH2PR18MB32708FA362BBC28F4A348B57B4FE0@CH2PR18MB3270.namprd18.prod.outlook.com>

Hello, 

It looks  like there is no comment/objection on following patch and it can be merged. 
I would request to @David Marchand, please take care of this towards the merging process for 20.05.


Regards
Sunil Kumar Kori

>-----Original Message-----
>From: Sunil Kumar Kori
>Sent: Monday, March 9, 2020 11:37 AM
>To: 'Stephen Hemminger' <stephen@networkplumber.org>; Jerin Jacob
>Kollanukkaran <jerinj@marvell.com>; 'dev@dpdk.org' <dev@dpdk.org>
>Subject: RE: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus scanning to
>allowed devices
>
>Hello Stephen,
>
>Please provide ack on below change if there is no concern so that it can be
>accepted on 20.05.
>
>Regards
>Sunil Kumar Kori
>
>>-----Original Message-----
>>From: Sunil Kumar Kori
>>Sent: Thursday, February 27, 2020 2:00 PM
>>To: Stephen Hemminger <stephen@networkplumber.org>; Jerin Jacob
>>Kollanukkaran <jerinj@marvell.com>; dev@dpdk.org
>>Subject: RE: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus
>>scanning to allowed devices
>>
>>Hello All,
>>
>>Is there any thought on this ? Otherwise it can be merged.
>>
>>Regards
>>Sunil Kumar Kori
>>
>>>-----Original Message-----
>>>From: Sunil Kumar Kori
>>>Sent: Thursday, January 23, 2020 2:13 PM
>>>To: Stephen Hemminger <stephen@networkplumber.org>; Jerin Jacob
>>>Kollanukkaran <jerinj@marvell.com>
>>>Subject: FW: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus
>>>scanning to allowed devices
>>>
>>>Hello Stephen,
>>>
>>>Can you please look into this patch or provide your thought in this ?
>>>So that it can be merged within 20.02 release.
>>>
>>>Regards
>>>Sunil Kumar Kori
>>>
>>>-----Original Message-----
>>>From: Sunil Kumar Kori <skori@marvell.com>
>>>Sent: Tuesday, January 21, 2020 2:09 PM
>>>To: Sunil Kumar Kori <skori@marvell.com>; Stephen Hemminger
>>><stephen@networkplumber.org>
>>>Cc: dev@dpdk.org
>>>Subject: RE: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus
>>>scanning to allowed devices
>>>
>>>Hello Stephen,
>>>Any suggestions ?
>>>
>>>Regards
>>>Sunil Kumar Kori
>>>
>>>>-----Original Message-----
>>>>From: dev <dev-bounces@dpdk.org> On Behalf Of Sunil Kumar Kori
>>>>Sent: Tuesday, December 17, 2019 4:30 PM
>>>>To: Stephen Hemminger <stephen@networkplumber.org>
>>>>Cc: dev@dpdk.org
>>>>Subject: Re: [dpdk-dev] [EXT] Re: [PATCH] bus/pci: restricted bus
>>>>scanning to allowed devices
>>>>
>>>>
>>>>
>>>>Regards
>>>>Sunil Kumar Kori
>>>>
>>>>>-----Original Message-----
>>>>>From: Stephen Hemminger <stephen@networkplumber.org>
>>>>>Sent: Monday, December 16, 2019 9:43 PM
>>>>>To: Sunil Kumar Kori <skori@marvell.com>
>>>>>Cc: dev@dpdk.org
>>>>>Subject: [EXT] Re: [dpdk-dev] [PATCH] bus/pci: restricted bus
>>>>>scanning to allowed devices
>>>>>
>>>>>External Email
>>>>>
>>>>>--------------------------------------------------------------------
>>>>>-
>>>>>-
>>>>>> 			/* Create dummy pci device to get devargs */
>>>>>> +			dummy_dev.addr.domain =
>>>>>matches[i].pc_sel.pc_domain;
>>>>>> +			dummy_dev.addr.bus =
>matches[i].pc_sel.pc_bus;
>>>>>> +			dummy_dev.addr.devid =
>matches[i].pc_sel.pc_dev;
>>>>>> +			dummy_dev.addr.function =
>>>>>matches[i].pc_sel.pc_func;
>>>>>> +			dummy_dev.device.devargs =
>>>>>> +
>>>>>	pci_devargs_lookup(&dummy_dev);
>>>>>> +
>>>>>> +			/* Check that device should be ignored or not
>*/
>>>>>> +			if (pci_ignore_device(&dummy_dev))
>>>>>> +				continue;
>>>>>
>>>>>It seems that you are creating dummy_dev as an alternative to
>>>>>passing just the PCI bus/device/function. Wouldn't be easier to just
>>>>>use BDF instead. Dummy arguments on the stack can lead to more
>>>>>corner cases in the future if device subsystem changes.
>>>>Agreed and initially I have implemented using BDF only instead of
>>>>using dummy device.
>>>>But using that approach, I was not able to use existing APIs to get
>>>>devargs and ignore device.
>>>>I had to write almost same functions to solve the purpose. So just to
>>>>avoid having replica of same code, I followed this approach. Please
>suggest.
>>>>>
>>>>>> +/**
>>>>>> + * Get the devargs of a PCI device.
>>>>>> + *
>>>>>> + * @param pci_dev
>>>>>> + *	PCI device to be validated
>>>>>> + * @return
>>>>>> + *	devargs on succes, NULL otherwise
>>>>>> + */
>>>>>> +struct rte_devargs *pci_devargs_lookup(struct rte_pci_device
>>>>>> +*pci_dev);
>>>>>
>>>>>Must be marked experimental (or internal).
>>>>>The pci_device should be marked const.
>>>>Okay but If I go with BDF one then this change is not required anyway.
>>>>>
>>>>>
>>>>>> +
>>>>>> +/**
>>>>>> + * Validate whether a pci device should be ignored or not.
>>>>>> + *
>>>>>> + * @param pci_dev
>>>>>> + *	PCI device to be validated
>>>>>> + * @return
>>>>>> + *	1 if device is to be ignored, 0 otherwise
>>>>>> + */
>>>>>> +bool pci_ignore_device(const struct rte_pci_device *pci_dev);
>>>>>
>>>>>ditto
>>>>ditto

  reply	other threads:[~2020-04-06  9:32 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-16  7:55 [dpdk-dev] " Sunil Kumar Kori
2019-12-16 16:13 ` Stephen Hemminger
2019-12-17 11:00   ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-01-21  8:39     ` Sunil Kumar Kori
     [not found]       ` <MN2PR18MB327936807460D9F2AE4894F3B40F0@MN2PR18MB3279.namprd18.prod.outlook.com>
2020-02-27  8:30         ` Sunil Kumar Kori
2020-03-09  6:06           ` Sunil Kumar Kori
2020-04-06  9:32             ` Sunil Kumar Kori [this message]
2020-04-06 13:21               ` David Marchand
2020-04-07  9:21                 ` Sunil Kumar Kori
2020-04-07  9:28 ` [dpdk-dev] [PATCH v2 1/1] bus/pci: optimise scanning with whitelist/blacklist Sunil Kumar Kori
2020-04-17  8:30   ` Sunil Kumar Kori
2020-04-17  8:44   ` David Marchand
2020-04-17 11:15     ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-04-17 13:25       ` David Marchand
2020-04-17 15:12         ` Sunil Kumar Kori
2020-04-17 15:35           ` David Marchand
2020-04-17 16:00             ` Sunil Kumar Kori
2020-04-20  6:59               ` Sunil Kumar Kori
2020-04-20  6:55   ` [dpdk-dev] [PATCH v3 " Sunil Kumar Kori
2020-04-21 15:18     ` Gaëtan Rivet
2020-04-22  6:17       ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-04-22  9:38         ` Gaëtan Rivet
2020-04-23  7:47           ` Sunil Kumar Kori
2020-04-27 18:43     ` [dpdk-dev] " Gaëtan Rivet
2020-04-28 13:52       ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-05-01 11:39     ` [dpdk-dev] [PATCH v4 " Sunil Kumar Kori
2020-05-01 12:40       ` Sunil Kumar Kori
2020-05-01 21:00       ` Gaëtan Rivet
2020-05-02  7:20         ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-05-02  7:42       ` [dpdk-dev] [PATCH v5 " Sunil Kumar Kori
2020-05-02 11:27         ` Gaëtan Rivet
2020-05-04 14:17         ` David Marchand
2020-05-05  5:57           ` [dpdk-dev] [EXT] " Sunil Kumar Kori
2020-05-06 12:54           ` [dpdk-dev] " David Marchand
2020-05-11 14:59         ` David Marchand

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