From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3807972-1518514715-2-12841608940625521588 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 0.001, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, 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=arctest; t=1518514714; b=aU/4ZYYN2TEvv02E/1nwGmd3ng9vKX0iF06Ex2zUuz2Kf1L Bz3twAN5clcDdP6o8aYlKu2E1ohBVMD328gcG6FLZsswW9oo1E2NL/Ig0k6X7BeO i5vtl3nxy9kY6pE91jfwwcA8hgtvlX2ljhKv6HHoWqfGXl2qaiXlvDA7Ipu/3edw UA4P55LiIeb1TC4DxHcY1k/Y4zEogY2sLoykd+wRySwAW/THWpFnPQosn9hSqOsU cPY1nBiTuIhydH8f7YcO4gck7qrfdJKYeene9BhP9tnJgd03jtvnt6itmr931J9P eIh4I9WKk4StRmlT1Ksx6YL3XLr6Y38IZbrgq4w== 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=arctest; t=1518514714; bh=/KqXROZwfncsDSQj04hWOqt1mbPy+mq2JnJa2M8gUe8=; b=h+ptFYFQKDtV Ej3OMqpvcyEYC1P0+W4qMgAass8PNwVkc8jC/mB7Brbf9SFFSE1X1Y1WUNpibjEv DPkNha8iJmMh+y0RyOyDtNzpA8jc8ftOfQEZ7IFNcqub/l9twngutpAlrbtu+Z4P Bb6oTQEfaV+IAQvRGEWPnfBle2u6rVwOsC37q9x0/M89KrCpSAbC7uMRY0WbjThV 7tkw0HiOFHVAPXeYKCtZzdUBGpJwbTuNVJqKXYPIJLD+iB1aYYPvMCm2cookBIqt S8vwuGRng2x5HzbB7DNhPGOm0dqzpIhiuZjFBLytkIOd1kKthq/oEbG7w0VejaQ0 KdT6cN2Z1A== ARC-Authentication-Results: i=1; mx5.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-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 Authentication-Results: mx5.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-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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934834AbeBMJgI (ORCPT ); Tue, 13 Feb 2018 04:36:08 -0500 Received: from mga03.intel.com ([134.134.136.65]:27146 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934829AbeBMJgG (ORCPT ); Tue, 13 Feb 2018 04:36:06 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,507,1511856000"; d="scan'208";a="26889658" 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 v4 22/24] fpga: dfl: afu: add FPGA_GET_API_VERSION/CHECK_EXTENSION ioctls support Date: Tue, 13 Feb 2018 17:24:51 +0800 Message-Id: <1518513893-4719-23-git-send-email-hao.wu@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1518513893-4719-1-git-send-email-hao.wu@intel.com> References: <1518513893-4719-1-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: FPGA_GET_API_VERSION and 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. --- 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 b2f8798..bead242 100644 --- a/drivers/fpga/dfl-afu-main.c +++ b/drivers/fpga/dfl-afu-main.c @@ -121,6 +121,13 @@ static int afu_release(struct inode *inode, struct file *filp) return 0; } +static long afu_ioctl_check_extension(struct 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; @@ -131,6 +138,10 @@ static long afu_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) dev_dbg(&pdev->dev, "%s cmd 0x%x\n", __func__, cmd); switch (cmd) { + case FPGA_GET_API_VERSION: + return FPGA_API_VERSION; + case FPGA_CHECK_EXTENSION: + return afu_ioctl_check_extension(pdata, arg); default: /* * Let sub-feature's ioctl function to handle the cmd -- 2.7.4