From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 975D4F939; Fri, 16 Dec 2016 20:04:23 +0100 (CET) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP; 16 Dec 2016 11:04:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,359,1477983600"; d="scan'208";a="43190066" Received: from sivswdev02.ir.intel.com ([10.237.217.46]) by orsmga005.jf.intel.com with ESMTP; 16 Dec 2016 11:04:21 -0800 From: Ferruh Yigit To: dev@dpdk.org Cc: Jingjing Wu ; Helin Zhang , Ferruh Yigit , Qi Zhang , stable@dpdk.org Date: Fri, 16 Dec 2016 19:02:37 +0000 Message-Id: <20161216190257.6921-10-ferruh.yigit@intel.com> X-Mailer: git-send-email 2.8.4 In-Reply-To: <20161216190257.6921-1-ferruh.yigit@intel.com> References: <20161216143919.4909-1-ferruh.yigit@intel.com> <20161216190257.6921-1-ferruh.yigit@intel.com> Subject: [dpdk-dev] [PATCH v5 09/29] net/i40e: fix VF reset flow 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: , X-List-Received-Date: Fri, 16 Dec 2016 19:04:24 -0000 From: Qi Zhang Add missing step during VF reset: PF should set I40E_VFGEN_RSTAT to ACTIVE at end of the VF reset operation or VF driver may not able to detect that reset is already completed. This patch also remove the unnecessary enum for vfr state. Fixes: 4861cde46116 ("i40e: new poll mode driver") CC: stable@dpdk.org Signed-off-by: Qi Zhang --- drivers/net/i40e/i40e_pf.c | 6 ++++-- drivers/net/i40e/i40e_pf.h | 5 ----- 2 files changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c index 8b8a14f..2bc3355 100644 --- a/drivers/net/i40e/i40e_pf.c +++ b/drivers/net/i40e/i40e_pf.c @@ -139,7 +139,7 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset) abs_vf_id = vf_id + hw->func_caps.vf_base_id; /* Notify VF that we are in VFR progress */ - I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_PF_VFR_INPROGRESS); + I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_INPROGRESS); /* * If require a SW VF reset, a VFLR interrupt will be generated, @@ -220,7 +220,7 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset) } /* Reset done, Set COMPLETE flag and clear reset bit */ - I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_PF_VFR_COMPLETED); + I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_COMPLETED); val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id)); val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val); @@ -248,6 +248,8 @@ i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset) return -EFAULT; } + I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_VFACTIVE); + return ret; } diff --git a/drivers/net/i40e/i40e_pf.h b/drivers/net/i40e/i40e_pf.h index 59bf2ee..ada398b 100644 --- a/drivers/net/i40e/i40e_pf.h +++ b/drivers/net/i40e/i40e_pf.h @@ -48,11 +48,6 @@ #define I40E_DPDK_OFFSET 0x100 -enum i40e_pf_vfr_state { - I40E_PF_VFR_INPROGRESS = 0, - I40E_PF_VFR_COMPLETED = 1, -}; - /* DPDK pf driver specific command to VF */ enum i40e_virtchnl_ops_dpdk { /* -- 2.9.3