From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 5B603A0093 for ; Mon, 11 Apr 2022 15:02:51 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id DC96C40692; Mon, 11 Apr 2022 15:02:50 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 079954068C for ; Mon, 11 Apr 2022 15:02:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649682169; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=0h11X8zTnITMrCKkLu1SF9i5WTj+5vW+tgdpd2EiFk4=; b=X2bWdKJZaFdnmXzZsgsHZSoM5f19KdpNANOMWST5E68r9qB3ra9JjKLz0386fS8g81lj8w 6erHfFzxLLDtgCZq6hHY5zjmkV1EMQ8LHvak2r/7guuvUsqziUX6p9SqLNpoSbEgLIZske 7YEb33R2HaRPlrDnAF6KrHao8uRsamo= Received: from mail-lj1-f200.google.com (mail-lj1-f200.google.com [209.85.208.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-606-uevO4LNHMrqlYChu0jrpGQ-1; Mon, 11 Apr 2022 09:02:48 -0400 X-MC-Unique: uevO4LNHMrqlYChu0jrpGQ-1 Received: by mail-lj1-f200.google.com with SMTP id o17-20020a05651c051100b0024b519d68e6so3357902ljp.6 for ; Mon, 11 Apr 2022 06:02:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=0h11X8zTnITMrCKkLu1SF9i5WTj+5vW+tgdpd2EiFk4=; b=t9XFbDxx8IAPFwJJ1byut0W2m6U5LPGT85oym8XzcQW7CehuEq627B+30hV2Yn5Ial cB+bbioa7L0/wR3MqV/MHHmeglqvrOzLn3hpK+4qmrPT/opGjmRlY30ySbaf1U4SdmZu NNxlnZKLTuQb5wymctQprSUqSfJiUdViLkjfKLh7y5BlIgtOMLoHXGNg3pmvvxCWQPoe zrjbc2+zAK4CO6UUz0Ip4isdTymtl+r3i7UE90Q28Dp4z2CVFm9OoBi22kQrrEyK7Xqc 2w2w0XitXahciybCmZ9btczGygG9oHjh/LSAr0POukhSDxsYVeOPl4gchrSuX+TCBaWd FIeA== X-Gm-Message-State: AOAM530xAEQLJEwjAnRrWYsIkPxb3OGhMU+3uYD4/L888G2bp/ke/QUN ivw1r4G2uRo/8xHvirDG4eLBnMg/XeAs7Wwuo45u3LC2gQpXhfxN8PVwfXCBsnRnnfkq0sWqd+8 +p7NewaRLML/cf2Kdb4qXTw== X-Received: by 2002:a05:6512:1389:b0:45d:30d4:8cdd with SMTP id p9-20020a056512138900b0045d30d48cddmr21774608lfa.484.1649682166689; Mon, 11 Apr 2022 06:02:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwsqgKjwwWH6ENeoTkSFosRw4daU1fcpMZiBCFQXg1LPiHbD03cS4rM4Y7DNhCFIrdcKBbM7Sk66kPpek0PLkI= X-Received: by 2002:a05:6512:1389:b0:45d:30d4:8cdd with SMTP id p9-20020a056512138900b0045d30d48cddmr21774594lfa.484.1649682166274; Mon, 11 Apr 2022 06:02:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: David Marchand Date: Mon, 11 Apr 2022 15:02:35 +0200 Message-ID: Subject: Re: Question about supported GPU supported NICs To: "sakaia@fujitsu.com" Cc: "users@dpdk.org" , Elena Agostini , Thomas Monjalon Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dmarchan@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Hello, On Mon, Apr 11, 2022 at 2:57 PM sakaia@fujitsu.com wrote: > > In my understanding, GPUDirect RDMA is supported on Tesla and Quadro/RTX. > But following code only specifies Tesla. > Is there any reason to specify in the code? > > List in the code > https://github.com/DPDK/dpdk/blob/v22.03/drivers/gpu/cuda/cuda.c#L56-L71 > > GPUDirect RDMA > GPUDirect RDMA is available on both Tesla and Quadro GPUs. > https://docs.nvidia.com/cuda/gpudirect-rdma/index.html Cc: Elena + Thomas -- David Marchand