From patchwork Wed Oct 21 16:37:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "lan,Tianyu" X-Patchwork-Id: 7459081 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8F53C9F30B for ; Wed, 21 Oct 2015 16:54:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BBC712089C for ; Wed, 21 Oct 2015 16:54:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB9372087D for ; Wed, 21 Oct 2015 16:54:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755918AbbJUQtZ (ORCPT ); Wed, 21 Oct 2015 12:49:25 -0400 Received: from mga02.intel.com ([134.134.136.20]:42549 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755901AbbJUQtX (ORCPT ); Wed, 21 Oct 2015 12:49:23 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 21 Oct 2015 09:49:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,712,1437462000"; d="scan'208";a="816282684" Received: from lantianyu-ws.sh.intel.com (HELO localhost) ([10.239.159.159]) by fmsmga001.fm.intel.com with ESMTP; 21 Oct 2015 09:49:19 -0700 From: Lan Tianyu To: bhelgaas@google.com, carolyn.wyborny@intel.com, donald.c.skidmore@intel.com, eddie.dong@intel.com, nrupal.jani@intel.com, yang.z.zhang@intel.com, agraf@suse.de, kvm@vger.kernel.org, pbonzini@redhat.com, qemu-devel@nongnu.org, emil.s.tantilov@intel.com, intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com, jesse.brandeburg@intel.com, john.ronciak@intel.com, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, matthew.vick@intel.com, mitch.a.williams@intel.com, netdev@vger.kernel.org, shannon.nelson@intel.com Cc: Lan Tianyu Subject: [RFC Patch 04/12] IXGBE: Add ixgbe_ping_vf() to notify a specified VF via mailbox msg. Date: Thu, 22 Oct 2015 00:37:36 +0800 Message-Id: <1445445464-5056-5-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> References: <1445445464-5056-1-git-send-email-tianyu.lan@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch is to add ixgbe_ping_vf() to notify a specified VF. When migration status is changed, it's necessary to notify VF the change. VF driver will check the migrate status when it gets mailbox msg. Signed-off-by: Lan Tianyu --- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 19 ++++++++++++------- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h | 1 + 2 files changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 89671eb..e247d67 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -1318,18 +1318,23 @@ void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); } -void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) +void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vfn) { struct ixgbe_hw *hw = &adapter->hw; u32 ping; + + ping = IXGBE_PF_CONTROL_MSG; + if (adapter->vfinfo[vfn].clear_to_send) + ping |= IXGBE_VT_MSGTYPE_CTS; + ixgbe_write_mbx(hw, &ping, 1, vfn); +} + +void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) +{ int i; - for (i = 0 ; i < adapter->num_vfs; i++) { - ping = IXGBE_PF_CONTROL_MSG; - if (adapter->vfinfo[i].clear_to_send) - ping |= IXGBE_VT_MSGTYPE_CTS; - ixgbe_write_mbx(hw, &ping, 1, i); - } + for (i = 0 ; i < adapter->num_vfs; i++) + ixgbe_ping_vf(adapter, i); } int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h index 2c197e6..143e2fd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h @@ -41,6 +41,7 @@ void ixgbe_msg_task(struct ixgbe_adapter *adapter); int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask); void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter); void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter); +void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vfn); int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int queue, u8 *mac); int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan, u8 qos);