From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1EB78C0018C for ; Thu, 3 Dec 2020 17:09:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D826D206CA for ; Thu, 3 Dec 2020 17:09:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2501940AbgLCRJB (ORCPT ); Thu, 3 Dec 2020 12:09:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:48565 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2501933AbgLCRJA (ORCPT ); Thu, 3 Dec 2020 12:09:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607015254; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q+DtPcNrkAVlytmGf4lB/estLQSwJ5Xy0BaXAW7yudY=; b=KoXMTKtZpQGVUnjpfDIm2un/nQYvwpg7wgIRUG2Qj3OIJiHf0RjWokiUoLKUnsuipYcxHu +SwvWFzhO5SMw8f4I8HgtlKcg/z1Yto08JDPzAOJ37DwLlwNQItLsOvJZjKHm2ghQj83iw dNSMMHjuKSmKPsVVtq6LRf1L27xjBeQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-377-o4izIjauPieiOA3G1Acj5g-1; Thu, 03 Dec 2020 12:07:30 -0500 X-MC-Unique: o4izIjauPieiOA3G1Acj5g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8C28819611AA; Thu, 3 Dec 2020 17:07:28 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-142.ams2.redhat.com [10.36.113.142]) by smtp.corp.redhat.com (Postfix) with ESMTP id 42BE05D9CA; Thu, 3 Dec 2020 17:07:25 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Cc: Stefan Hajnoczi , "Michael S. Tsirkin" , Oren Duer , Jason Wang , Laurent Vivier , Stefano Garzarella , linux-kernel@vger.kernel.org, Max Gurtovoy , Shahaf Shuler , Eli Cohen Subject: [PATCH v3 14/19] vdpa_sim: add set_config callback in vdpasim_dev_attr Date: Thu, 3 Dec 2020 18:05:06 +0100 Message-Id: <20201203170511.216407-15-sgarzare@redhat.com> In-Reply-To: <20201203170511.216407-1-sgarzare@redhat.com> References: <20201203170511.216407-1-sgarzare@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The set_config callback can be used by the device to parse the config structure modified by the driver. The callback will be invoked, if set, in vdpasim_set_config() after copying bytes from caller buffer into vdpasim->config buffer. Signed-off-by: Stefano Garzarella --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index f935ade0806b..03a8717f80ea 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -70,6 +70,7 @@ struct vdpasim_dev_attr { work_func_t work_fn; void (*get_config)(struct vdpasim *vdpasim, void *config); + void (*set_config)(struct vdpasim *vdpasim, const void *config); }; /* State of each vdpasim device */ @@ -598,7 +599,15 @@ static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset, const void *buf, unsigned int len) { - /* No writable config supportted by vdpasim */ + struct vdpasim *vdpasim = vdpa_to_sim(vdpa); + + if (offset + len > vdpasim->dev_attr.config_size) + return; + + memcpy(vdpasim->config + offset, buf, len); + + if (vdpasim->dev_attr.set_config) + vdpasim->dev_attr.set_config(vdpasim, vdpasim->config); } static u32 vdpasim_get_generation(struct vdpa_device *vdpa) -- 2.26.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E636C4361B for ; Thu, 3 Dec 2020 17:07:39 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 15981207AF for ; Thu, 3 Dec 2020 17:07:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 15981207AF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 87E0187A98; Thu, 3 Dec 2020 17:07:38 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3pMSzW09mGgK; Thu, 3 Dec 2020 17:07:38 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id EE10E87AA0; Thu, 3 Dec 2020 17:07:37 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id DE430C1DA3; Thu, 3 Dec 2020 17:07:37 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists.linuxfoundation.org (Postfix) with ESMTP id 72965C0FA7 for ; Thu, 3 Dec 2020 17:07:36 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 60ECD87923 for ; Thu, 3 Dec 2020 17:07:36 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RGTUvZ9r4VpM for ; Thu, 3 Dec 2020 17:07:35 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by whitealder.osuosl.org (Postfix) with ESMTPS id 8B8748777D for ; Thu, 3 Dec 2020 17:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607015254; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Q+DtPcNrkAVlytmGf4lB/estLQSwJ5Xy0BaXAW7yudY=; b=KoXMTKtZpQGVUnjpfDIm2un/nQYvwpg7wgIRUG2Qj3OIJiHf0RjWokiUoLKUnsuipYcxHu +SwvWFzhO5SMw8f4I8HgtlKcg/z1Yto08JDPzAOJ37DwLlwNQItLsOvJZjKHm2ghQj83iw dNSMMHjuKSmKPsVVtq6LRf1L27xjBeQ= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-377-o4izIjauPieiOA3G1Acj5g-1; Thu, 03 Dec 2020 12:07:30 -0500 X-MC-Unique: o4izIjauPieiOA3G1Acj5g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8C28819611AA; Thu, 3 Dec 2020 17:07:28 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-142.ams2.redhat.com [10.36.113.142]) by smtp.corp.redhat.com (Postfix) with ESMTP id 42BE05D9CA; Thu, 3 Dec 2020 17:07:25 +0000 (UTC) From: Stefano Garzarella To: virtualization@lists.linux-foundation.org Subject: [PATCH v3 14/19] vdpa_sim: add set_config callback in vdpasim_dev_attr Date: Thu, 3 Dec 2020 18:05:06 +0100 Message-Id: <20201203170511.216407-15-sgarzare@redhat.com> In-Reply-To: <20201203170511.216407-1-sgarzare@redhat.com> References: <20201203170511.216407-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Cc: Laurent Vivier , Max Gurtovoy , "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, Shahaf Shuler , Stefan Hajnoczi , Eli Cohen , Oren Duer X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" The set_config callback can be used by the device to parse the config structure modified by the driver. The callback will be invoked, if set, in vdpasim_set_config() after copying bytes from caller buffer into vdpasim->config buffer. Signed-off-by: Stefano Garzarella --- drivers/vdpa/vdpa_sim/vdpa_sim.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index f935ade0806b..03a8717f80ea 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -70,6 +70,7 @@ struct vdpasim_dev_attr { work_func_t work_fn; void (*get_config)(struct vdpasim *vdpasim, void *config); + void (*set_config)(struct vdpasim *vdpasim, const void *config); }; /* State of each vdpasim device */ @@ -598,7 +599,15 @@ static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset, const void *buf, unsigned int len) { - /* No writable config supportted by vdpasim */ + struct vdpasim *vdpasim = vdpa_to_sim(vdpa); + + if (offset + len > vdpasim->dev_attr.config_size) + return; + + memcpy(vdpasim->config + offset, buf, len); + + if (vdpasim->dev_attr.set_config) + vdpasim->dev_attr.set_config(vdpasim, vdpasim->config); } static u32 vdpasim_get_generation(struct vdpa_device *vdpa) -- 2.26.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization