From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 1BB0FC3E4 for ; Thu, 18 Feb 2016 15:34:55 +0100 (CET) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 18 Feb 2016 06:34:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,465,1449561600"; d="scan'208";a="655038261" Received: from shvmail01.sh.intel.com ([10.239.29.42]) by FMSMGA003.fm.intel.com with ESMTP; 18 Feb 2016 06:34:48 -0800 Received: from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com [10.239.29.89]) by shvmail01.sh.intel.com with ESMTP id u1IEYjBm018013; Thu, 18 Feb 2016 22:34:45 +0800 Received: from shecgisg004.sh.intel.com (localhost [127.0.0.1]) by shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP id u1IEYgIQ018547; Thu, 18 Feb 2016 22:34:44 +0800 Received: (from hzhan75@localhost) by shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id u1IEYgfi018543; Thu, 18 Feb 2016 22:34:42 +0800 From: Helin Zhang To: dev@dpdk.org Date: Thu, 18 Feb 2016 22:34:08 +0800 Message-Id: <1455806076-18497-3-git-send-email-helin.zhang@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1455806076-18497-1-git-send-email-helin.zhang@intel.com> References: <1455776683-11790-1-git-send-email-helin.zhang@intel.com> <1455806076-18497-1-git-send-email-helin.zhang@intel.com> Subject: [dpdk-dev] [PATCH v3 02/30] i40e/base: acquire NVM, before issuing an AQ read nvm command X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Feb 2016 14:34:56 -0000 It needs to acquire the NVM before issuing an AQ read to the X722 NVM otherwise it will get EBUSY from the FW. Also release when done. Signed-off-by: Helin Zhang --- drivers/net/i40e/base/i40e_nvm.c | 35 +++++++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 6 deletions(-) diff --git a/drivers/net/i40e/base/i40e_nvm.c b/drivers/net/i40e/base/i40e_nvm.c index 60f2bb9..bfa3315 100644 --- a/drivers/net/i40e/base/i40e_nvm.c +++ b/drivers/net/i40e/base/i40e_nvm.c @@ -217,11 +217,22 @@ static enum i40e_status_code i40e_poll_sr_srctl_done_bit(struct i40e_hw *hw) enum i40e_status_code i40e_read_nvm_word(struct i40e_hw *hw, u16 offset, u16 *data) { + enum i40e_status_code ret_code = I40E_SUCCESS; + #ifdef X722_SUPPORT - if (hw->mac.type == I40E_MAC_X722) - return i40e_read_nvm_word_aq(hw, offset, data); + if (hw->mac.type == I40E_MAC_X722) { + ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (!ret_code) { + ret_code = i40e_read_nvm_word_aq(hw, offset, data); + i40e_release_nvm(hw); + } + } else { + ret_code = i40e_read_nvm_word_srctl(hw, offset, data); + } +#else + ret_code = i40e_read_nvm_word_srctl(hw, offset, data); #endif - return i40e_read_nvm_word_srctl(hw, offset, data); + return ret_code; } /** @@ -309,11 +320,23 @@ enum i40e_status_code i40e_read_nvm_word_aq(struct i40e_hw *hw, u16 offset, enum i40e_status_code i40e_read_nvm_buffer(struct i40e_hw *hw, u16 offset, u16 *words, u16 *data) { + enum i40e_status_code ret_code = I40E_SUCCESS; + #ifdef X722_SUPPORT - if (hw->mac.type == I40E_MAC_X722) - return i40e_read_nvm_buffer_aq(hw, offset, words, data); + if (hw->mac.type == I40E_MAC_X722) { + ret_code = i40e_acquire_nvm(hw, I40E_RESOURCE_READ); + if (!ret_code) { + ret_code = i40e_read_nvm_buffer_aq(hw, offset, words, + data); + i40e_release_nvm(hw); + } + } else { + ret_code = i40e_read_nvm_buffer_srctl(hw, offset, words, data); + } +#else + ret_code = i40e_read_nvm_buffer_srctl(hw, offset, words, data); #endif - return i40e_read_nvm_buffer_srctl(hw, offset, words, data); + return ret_code; } /** -- 2.5.0