From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-4163049-1525230544-3-18288359883900703331 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= 1525230544; b=mQLTx3fvWkOWQY6MLRQcJohu+/aWYBkLRDgTUWTTvpPg3DP8QL HwNUaF0zGSuv28VioBUoLLxL95zUY3Wpamus/ZcRHUW4zPdTUbe4o4NLeczjmGlj Xyioocb9JQtnLUJvlP/0ubi+Bk5SgZMnIf5yh82G39MmRAf9xNffmKuSPZevdCQr lWvyJGwZj6GWEt6LTLLPrPFeQc2230R3cjDT1KIRHY970oYIF+tsIq50ROgf2nq+ yPOH7PIq3+2xBO9TB5hH8m/8aWX7ea5hMF8eQqC4wGlbsck+2ptY1XaeWOLac+UE SdAAIShBYfPMuEmLsi0EoVHskh7Z/da4zhOA== 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=1525230544; bh= QDWR9/DTrF1SoOqCPb8pC95+4MYgNOxTXFGwJCZ607s=; b=bqj09erTKiS68WOj GgJkLktb92VHTunooACliuloLW3J6npyM8z/T9fXb6VN7/QG6RyGo+nNtb3xLsyo iIVYZXfbbQ5LFKWcMRT2UbgmerqniNQQxt9nQiAHioBtT9OkR6p341Qp6UYHQCZI Q+w4JHDTHBd8q/8+D1Lk4aTIks5Nbu6E0e8TVdvLE2KT+LrdFCjwpXpzEspxwvVq SltHshsQgoYWxOiIN/XfMMqXjgijSRMnJls5vasGymJPdSobjhKM7hW9EtXNwZ66 R72pyL9jgwQHSv80eIAeBn9/qO1aTMr51r0z/p2kGWb9hw4QDF0gJkDB/SU7F8+g bt7bsg== ARC-Authentication-Results: i=1; mx4.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=0 state=0 Authentication-Results: mx4.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=0 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfO+KtuErjW5MI3c7+zZLXyY1gFNYJx4xrsbbX2IhngDQ96vkUhSNN8vOw0DYHI7YKHPkaKequYYV+GbYmK4qO0YnvyxX+/tJt4K+dFzbqA6Jo6FODhsT VhKQQrIAHX76p9DdRS+Y8UuHzcZU/EiZ9mhvZhgOCMBGbcOUliyqU08lMUI86Ifo8QlXHlQUDgBsHNSvACXtqyGMWdx1o/Qj8Esw1q9KMSJ60q7aKMeW6MMa X-CM-Analysis: v=2.3 cv=JLoVTfCb c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=VUJBJC2UJ8kA:10 a=QyXUC8HyAAAA:8 a=VwQbUJbxAAAA:8 a=UFHwFH4Q79-SC2nR084A: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 S1751236AbeEBDJB (ORCPT ); Tue, 1 May 2018 23:09:01 -0400 Received: from mga12.intel.com ([192.55.52.136]:63823 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751241AbeEBDBu (ORCPT ); Tue, 1 May 2018 23:01:50 -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="46058244" 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 Subject: [PATCH v5 04/28] fpga: mgr: add compat_id support Date: Wed, 2 May 2018 10:50:07 +0800 Message-Id: <1525229431-3087-5-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: This patch introduces compat_id support to fpga manager, it adds a fpga_compat_id pointer to fpga manager data structure to allow fpga manager drivers to save the compatibility id. This compat_id could be used for compatibility checking before doing partial reconfiguration to associated fpga regions. Signed-off-by: Wu Hao --- include/linux/fpga/fpga-mgr.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h index 802eac8..f163f22 100644 --- a/include/linux/fpga/fpga-mgr.h +++ b/include/linux/fpga/fpga-mgr.h @@ -147,11 +147,23 @@ struct fpga_manager_ops { #define FPGA_MGR_STATUS_FIFO_OVERFLOW_ERR BIT(4) /** + * struct fpga_compat_id - id for compatibility check + * + * @id_h: high 64bit of the compat_id + * @id_l: low 64bit of the compat_id + */ +struct fpga_compat_id { + u64 id_h; + u64 id_l; +}; + +/** * struct fpga_manager - fpga manager structure * @name: name of low level fpga manager * @dev: fpga manager device * @ref_mutex: only allows one reference to fpga manager * @state: state of fpga manager + * @compat_id: FPGA manager id for compatibility check. * @mops: pointer to struct of fpga manager ops * @priv: low level driver private date */ @@ -160,6 +172,7 @@ struct fpga_manager { struct device dev; struct mutex ref_mutex; enum fpga_mgr_states state; + struct fpga_compat_id *compat_id; const struct fpga_manager_ops *mops; void *priv; }; -- 1.8.3.1