From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 94D75A00E6 for ; Fri, 12 Jul 2019 13:11:33 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 639171B9BD; Fri, 12 Jul 2019 13:11:33 +0200 (CEST) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id 1C83C1B9A6 for ; Fri, 12 Jul 2019 13:11:30 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Jul 2019 04:11:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,482,1557212400"; d="scan'208";a="189807167" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.10]) ([10.237.221.10]) by fmsmga004.fm.intel.com with ESMTP; 12 Jul 2019 04:11:28 -0700 To: Vamsi Krishna Attunuru , "dev@dpdk.org" Cc: "olivier.matz@6wind.com" , "arybchenko@solarflare.com" References: <20190422061533.17538-1-kirankumark@marvell.com> <20190625035700.2953-1-vattunuru@marvell.com> <20190625035700.2953-3-vattunuru@marvell.com> <46a052b9-9776-526e-5516-f15c22864bc4@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v6 2/4] lib/kni: add PCI related information X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 7/12/2019 12:02 PM, Vamsi Krishna Attunuru wrote: > > > > -------------------------------------------------------------------------------- > *From:* dev on behalf of Ferruh Yigit > > *Sent:* Thursday, July 11, 2019 9:52 PM > *To:* Vamsi Krishna Attunuru; dev@dpdk.org > *Cc:* olivier.matz@6wind.com; arybchenko@solarflare.com > *Subject:* [EXT] Re: [dpdk-dev] [PATCH v6 2/4] lib/kni: add PCI related information >   > External Email > > ---------------------------------------------------------------------- > On 6/25/2019 4:56 AM, vattunuru@marvell.com wrote: >> From: Vamsi Attunuru >> >> PCI related information is needed in KNI kernel module, >> since it requires iommu domain info for address >> translations(using iommu_iova_to_phys() call) when >> KNI runs in IOVA = VA mode. >> >> Signed-off-by: Vamsi Attunuru >> --- >>  lib/librte_eal/linux/eal/include/rte_kni_common.h | 7 +++++++ >>  lib/librte_kni/rte_kni.c                          | 5 +++++ >>  2 files changed, 12 insertions(+) >> >> diff --git a/lib/librte_eal/linux/eal/include/rte_kni_common.h b/lib/librte_eal/linux/eal/include/rte_kni_common.h >> index 91a1c14..5db5a13 100644 >> --- a/lib/librte_eal/linux/eal/include/rte_kni_common.h >> +++ b/lib/librte_eal/linux/eal/include/rte_kni_common.h >> @@ -111,6 +111,13 @@ struct rte_kni_device_info { >>        void * mbuf_va; >>        phys_addr_t mbuf_phys; >>  >> +     /* PCI info */ >> +     uint16_t vendor_id;           /**< Vendor ID or PCI_ANY_ID. */ >> +     uint16_t device_id;           /**< Device ID or PCI_ANY_ID. */ >> +     uint8_t bus;                  /**< Device bus */ >> +     uint8_t devid;                /**< Device ID */ >> +     uint8_t function;             /**< Device function. */ >> + >>        uint16_t group_id;            /**< Group ID */ >>        uint32_t core_id;             /**< core ID to bind for kernel thread */ >>  >> diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c >> index e29d0cc..99c4bf5 100644 >> --- a/lib/librte_kni/rte_kni.c >> +++ b/lib/librte_kni/rte_kni.c >> @@ -242,6 +242,11 @@ rte_kni_alloc(struct rte_mempool *pktmbuf_pool, >>                kni->ops.port_id = UINT16_MAX; >>  >>        memset(&dev_info, 0, sizeof(dev_info)); >> +     dev_info.bus = conf->addr.bus; >> +     dev_info.devid = conf->addr.devid; >> +     dev_info.function = conf->addr.function; >> +     dev_info.vendor_id = conf->id.vendor_id; >> +     dev_info.device_id = conf->id.device_id; > > Sample application part to set 'conf' values were also removed, need to add them > back too. > > Ack, adding in next version of patches. > > The device part was removed from KNI but I can see why this patch requires it back. > > Yes, rte_kni_device_info is the only struct carries all required info to kernel > module, > all these device info can be protected under the config check though. But still, lets make the device info requirement only for 'iova_mode', not for all KNI