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[23.128.96.18]) by mx.google.com with ESMTP id i18si3443954pgg.505.2021.04.28.01.28.34; Wed, 28 Apr 2021 01:28:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237510AbhD1I1p (ORCPT + 99 others); Wed, 28 Apr 2021 04:27:45 -0400 Received: from mga04.intel.com ([192.55.52.120]:7991 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231635AbhD1I1o (ORCPT ); Wed, 28 Apr 2021 04:27:44 -0400 IronPort-SDR: 2zKtKa8S+oFbtnM2IwuXLgHv9V3XXQn3pNz3czSLjsEU69JDM1PljUhMfJd7yeZh0Z0A4jdY3j 6GtUKV3tZaIw== X-IronPort-AV: E=McAfee;i="6200,9189,9967"; a="194573424" X-IronPort-AV: E=Sophos;i="5.82,257,1613462400"; d="scan'208";a="194573424" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2021 01:26:59 -0700 IronPort-SDR: qF1yCpea3G+3k0EktqFIR0vwPr4mAoOu/4FPz7HSdbKMJoN2jdxgk3Hi++L/vcBgvGia0r+Isb D9KQ0yksG7rw== X-IronPort-AV: E=Sophos;i="5.82,257,1613462400"; d="scan'208";a="430192243" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.240.193.73]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2021 01:26:57 -0700 From: Zhu Lingshan To: jasowang@redhat.com, mst@redhat.com Cc: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Zhu Lingshan Subject: [PATCH 1/2] vDPA/ifcvf: record virtio notify base Date: Wed, 28 Apr 2021 16:21:32 +0800 Message-Id: <20210428082133.6766-2-lingshan.zhu@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210428082133.6766-1-lingshan.zhu@intel.com> References: <20210428082133.6766-1-lingshan.zhu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit records virtio notify base addr to implemente doorbell mapping feature Signed-off-by: Zhu Lingshan --- drivers/vdpa/ifcvf/ifcvf_base.c | 1 + drivers/vdpa/ifcvf/ifcvf_base.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index 1a661ab45af5..cc61a5bfc5b1 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -133,6 +133,7 @@ int ifcvf_init_hw(struct ifcvf_hw *hw, struct pci_dev *pdev) &hw->notify_off_multiplier); hw->notify_bar = cap.bar; hw->notify_base = get_cap_addr(hw, &cap); + hw->notify_pa = pci_resource_start(pdev, cap.bar) + cap.offset; IFCVF_DBG(pdev, "hw->notify_base = %p\n", hw->notify_base); break; diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h index 0111bfdeb342..bcca7c1669dd 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.h +++ b/drivers/vdpa/ifcvf/ifcvf_base.h @@ -98,6 +98,7 @@ struct ifcvf_hw { char config_msix_name[256]; struct vdpa_callback config_cb; unsigned int config_irq; + phys_addr_t notify_pa; }; struct ifcvf_adapter { -- 2.27.0