From patchwork Tue Jan 3 16:53:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenghua Yu X-Patchwork-Id: 13087695 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79966C3DA7D for ; Tue, 3 Jan 2023 16:54:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231225AbjACQyC (ORCPT ); Tue, 3 Jan 2023 11:54:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233374AbjACQxw (ORCPT ); Tue, 3 Jan 2023 11:53:52 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0683F60EE; Tue, 3 Jan 2023 08:53:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672764832; x=1704300832; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=SxqXzYZpbeusJES64OyVpTrkW6/cjaXs8lHH5sD87EI=; b=EDmBXF6oCkfagQel6P1ZQqkGwonDKZvDDktrCfIz0Vii7sizTX/G5Rdd 5sV529J+6gd2KFvJEdv6VBptcuBKX/mNdrGo3NE4Ig8Kl/Hu9NdvLpRk4 OkhZeersyx05VDnshEHWYxj01m5KUu2RObphm2NoGCBtcYQf2Pwb7sbqf Ckl3y8CF6hsJgUpL2V8Bh5qP4LnGy1ciTz4SXfDKYJn6IAzjr/MQpRnHx xCL6cIWJ3mzR0Kgc/4BTU8x3zIQVx2T5AvuI0nmabfLPc57GQ0ZWzkq0c ArfEN9UENVuSG7OV7EpRW0YKezY8aJqNVn2/bovQUdczVT0fvL1NrJWHt w==; X-IronPort-AV: E=McAfee;i="6500,9779,10579"; a="322932864" X-IronPort-AV: E=Sophos;i="5.96,297,1665471600"; d="scan'208";a="322932864" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jan 2023 08:53:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10579"; a="828896807" X-IronPort-AV: E=Sophos;i="5.96,297,1665471600"; d="scan'208";a="828896807" Received: from fyu1.sc.intel.com ([172.25.103.126]) by orsmga005.jf.intel.com with ESMTP; 03 Jan 2023 08:53:51 -0800 From: Fenghua Yu To: "Vinod Koul" , "Dave Jiang" Cc: "Fenghua Yu" , dmaengine@vger.kernel.org, "linux-kernel" Subject: [PATCH 0/2] Expose IAA 2.0 device capabilities Date: Tue, 3 Jan 2023 08:53:35 -0800 Message-Id: <20230103165337.1570238-1-fenghua.yu@intel.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org In-memory Analytics Accelerator (IAA) 2.0 [1] introduces General Capabilities Register (GENCAP). Add a sysfs attribute to expose the register to applications. This series is applied cleanly on top of DSA 2.0 Event Log and Completion Record Faulting series: https://lore.kernel.org/dmaengine/20230103163505.1569356-1-fenghua.yu@intel.com/T/#m13ba6167994f3add6446d2d7e242ecb637c54426 [1] IAA 2.0 spec: https://cdrdv2-public.intel.com/721858/350295-iaa-specification.pdf Dave Jiang (2): dmaengine: idxd: reformat swerror output to standard Linux bitmap output dmaengine: idxd: expose IAA CAP register via sysfs knob .../ABI/stable/sysfs-driver-dma-idxd | 8 +++++ drivers/dma/idxd/idxd.h | 2 ++ drivers/dma/idxd/init.c | 6 +++- drivers/dma/idxd/registers.h | 21 ++++++++++++ drivers/dma/idxd/sysfs.c | 34 +++++++++++++++---- 5 files changed, 64 insertions(+), 7 deletions(-)