From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-4101065-1525230237-2-8809251732435211174 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='com', MailFrom='org' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-api-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1525230236; b=aLvdod8UzBG23drYLOHlpaB2Pt/Guvgro7gGxFiZejptFt9Nk8 9chetDZHnTRC50371HBoNpQfE7XJrVYGwtkDaNTHSDJJH+qyAUkTwrH+KKck/8MY F++WZB2LQDzKKkiKIOv/vwiHahxHZ3eelJNXxoWa1lYyAI/+5afDyTvdSrp1KTzA dgv2ZrBU44EAwlY+NrqI5f7lEqNB80Z7dbTfFjlMFKiM8MTSsK2RVwMdhu+7RHsw GhJLNNcxa/1lf5ddeiWtm5y31V9rpzS60KmnOcDj3453Gn8V1tcDlEgIMSIB7CJO 9re8nU4JkQjnvZ3UNo9MeK0fy6bw3M08FeUw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:sender:list-id; s=fm2; t=1525230236; bh= xwwkTQp9HvFKdoFrCN37l9vWV505tmhfOj2IIXfgy6o=; b=FGn+WcmEwoWn7w9m ha5pQCs0G/QMeSTzemnOlV1t2FV5PwBvloDHRzpRblOrFvvhyUa7mNbn/vV7KIKV rNWP1EBeMlDON3PweFgP6cz+mff7ax0LrzCWBG9nNRnT5jjYuJIIUFG66i+m8xIr i/Eby+Knzfsxc7NvZeJdQ+p9l7iRNwhitDNI+vdNpfWENZTFU1CZ7CrhDz4QtA/Y +eqtoJ97toxfPDCWla18hYPa6JkKz8/UeuR9Kssz4ZvRpc88/OZHNp34ESo31HkI 0fOXvtdIZFniSjuLWGu2brjSA8VYMlES9qLBYA0N71Flyo9r9wYeIZRqzG1W3tho 7z8NGg== ARC-Authentication-Results: i=1; mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=intel.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=intel.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx6.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=intel.com; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-api-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=intel.com header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfFAN197hcI7aswvXylFWDmlpzqtSMcwnU8teki27ku+hpT5EE76TlnV1PS+TLECK/micR9BgJWhRBelU5LEjWHxSDsoR44BzWS+7EC1Ag0X7QjA5kf5f 9c2XDAI/7KtPiZwrNwuw5Z1b1NkuCG/UVY094u5ok9Kh7R/YXRPCvpdIWqwoh+uOJp9PRm/UTyLhIXCQXcqD7j4ib+lXeviA/rSejsvLtHMSKqo2chGazPe+ X-CM-Analysis: v=2.3 cv=FKU1Odgs c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=VUJBJC2UJ8kA:10 a=QyXUC8HyAAAA:8 a=VwQbUJbxAAAA:8 a=EVljZpUPVAt7uyRfC8AA:9 a=x8gzFH9gYPwA:10 a=AjGcO6oz07-iQ99wixmX:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751820AbeEBDDy (ORCPT ); Tue, 1 May 2018 23:03:54 -0400 Received: from mga12.intel.com ([192.55.52.136]:63852 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751645AbeEBDCv (ORCPT ); Tue, 1 May 2018 23:02:51 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,353,1520924400"; d="scan'208";a="46058632" From: Wu Hao To: atull@kernel.org, mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, luwei.kang@intel.com, yi.z.zhang@intel.com, hao.wu@intel.com, Tim Whisonant , Enno Luebbers , Shiva Rao , Christopher Rauer , Xiao Guangrong Subject: [PATCH v5 26/28] fpga: dfl: afu: add DFL_FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Date: Wed, 2 May 2018 10:50:29 +0800 Message-Id: <1525229431-3087-27-git-send-email-hao.wu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1525229431-3087-1-git-send-email-hao.wu@intel.com> References: <1525229431-3087-1-git-send-email-hao.wu@intel.com> Sender: linux-api-owner@vger.kernel.org X-Mailing-List: linux-api@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: DFL_FPGA_GET_API_VERSION and DFL_FPGA_CHECK_EXTENSION ioctls are common ones which need to be supported by all feature devices drivers including FME and AFU. This patch implements above 2 ioctls in FPGA Accelerated Function Unit (AFU) driver. Signed-off-by: Tim Whisonant Signed-off-by: Enno Luebbers Signed-off-by: Shiva Rao Signed-off-by: Christopher Rauer Signed-off-by: Xiao Guangrong Signed-off-by: Wu Hao Acked-by: Alan Tull Acked-by: Moritz Fischer --- v2: rebased v3: rebased as driver renamed to fpga-dfl-afu fix one checkpatch issue v4: add Acked-by from Alan and Moritz. v5: rebase, and add DFL_ prefix to APIs. --- drivers/fpga/dfl-afu-main.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c index 6f846b7..57bb726 100644 --- a/drivers/fpga/dfl-afu-main.c +++ b/drivers/fpga/dfl-afu-main.c @@ -236,6 +236,13 @@ static int afu_release(struct inode *inode, struct file *filp) return 0; } +static long afu_ioctl_check_extension(struct dfl_feature_platform_data *pdata, + unsigned long arg) +{ + /* No extension support for now */ + return 0; +} + static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct platform_device *pdev = filp->private_data; @@ -248,6 +255,10 @@ static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) pdata = dev_get_platdata(&pdev->dev); switch (cmd) { + case DFL_FPGA_GET_API_VERSION: + return DFL_FPGA_API_VERSION; + case DFL_FPGA_CHECK_EXTENSION: + return afu_ioctl_check_extension(pdata, arg); default: /* * Let sub-feature's ioctl function to handle the cmd -- 1.8.3.1