From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E0A74A0562; Tue, 4 May 2021 15:15:34 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 7455E4014E; Tue, 4 May 2021 15:15:34 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id 9038E40147 for ; Tue, 4 May 2021 15:15:32 +0200 (CEST) IronPort-SDR: fSG9RREGdqKVcwpId7aVg7FcZKsp3eJ5pYpVl6eKvBbv4m0pdd/WaMKe7ARJ93DdM63/nyPNXh rLzWUGuzijFQ== X-IronPort-AV: E=McAfee;i="6200,9189,9973"; a="195922133" X-IronPort-AV: E=Sophos;i="5.82,272,1613462400"; d="scan'208";a="195922133" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2021 06:15:31 -0700 IronPort-SDR: NWIuwJjei6I6aWFHrRFgfLrFyT4vQswmVxeEwuF/FGKaqrKa/ACT4AuNUZKdopsUrp7hyVNZL1 I0UKbJTKdhZg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,272,1613462400"; d="scan'208";a="406105520" Received: from silpixa00399126.ir.intel.com ([10.237.223.78]) by orsmga002.jf.intel.com with ESMTP; 04 May 2021 06:15:29 -0700 From: Bruce Richardson To: dev@dpdk.org Cc: kevin.laatz@intel.com, sunil.pai.g@intel.com, jiayu.hu@intel.com, Bruce Richardson Date: Tue, 4 May 2021 14:14:50 +0100 Message-Id: <20210504131458.593429-5-bruce.richardson@intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210504131458.593429-1-bruce.richardson@intel.com> References: <20210318182042.43658-1-bruce.richardson@intel.com> <20210504131458.593429-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v5 04/12] raw/ioat: expand descriptor struct to full 64 bytes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Although it's unused by the driver, add the interrupt handle field in the descriptor to the descriptor structure for completeness, and explicitly add the reserved padding field on the end of the structure too. This means that when a descriptor is defined on the stack, or initialized by the compiler, the unused/reserved space will be zeroed appropriately. Signed-off-by: Bruce Richardson --- drivers/raw/ioat/rte_ioat_rawdev_fns.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/raw/ioat/rte_ioat_rawdev_fns.h b/drivers/raw/ioat/rte_ioat_rawdev_fns.h index c2c4601ca7..e96edc9053 100644 --- a/drivers/raw/ioat/rte_ioat_rawdev_fns.h +++ b/drivers/raw/ioat/rte_ioat_rawdev_fns.h @@ -140,7 +140,10 @@ struct rte_idxd_hw_desc { uint32_t size; /* length of data for op, or batch size */ - /* 28 bytes of padding here */ + uint16_t intr_handle; /* completion interrupt handle */ + + /* remaining 26 bytes are reserved */ + uint16_t __reserved[13]; } __rte_aligned(64); /** -- 2.30.2