From patchwork Tue Apr 9 07:35:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Daisuke Kobayashi (Fujitsu)" X-Patchwork-Id: 13621907 Received: from esa1.hc1455-7.c3s2.iphmx.com (esa1.hc1455-7.c3s2.iphmx.com [207.54.90.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD57A7BB11; Tue, 9 Apr 2024 07:33:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=207.54.90.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712648011; cv=none; b=bLCp9y6gcqKY57h9cLxakeRG+MW5PlbdMqH9+cIkgrGtmAvb4ihAqSkKZtelXT8E8hXTnljULNsrY5EfFDkSSTZ2smqY+obYEKqyqb5Qy89hauTH/zxPlFmBZIt66JEX4La5YkeMvfBjMrzJQYaI+BqnNLCgBfXpILMRbfFXh78= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712648011; c=relaxed/simple; bh=qp+YgUH3bz+WFmudL3wOvXuBwp14NHmw9plnq6kfLYg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Fy+SRaaOLqWxwhz1zVHefyca+q7RxIdA+Mr+ezSYPzPZrSmW6iRAKjDrJAl/3bYF1dDkC4zWzjVqv0vlmYuJnCWnrrDFsiAuxM67AMV3Ks9CETBiftyEQ0JutbaB4s64I7Fl/D6wAR1ZlyejF3Yl2j5g9+KWRugQBCNZwgAHLu4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fujitsu.com; spf=pass smtp.mailfrom=fujitsu.com; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b=hd9g7OVz; arc=none smtp.client-ip=207.54.90.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fujitsu.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fujitsu.com header.i=@fujitsu.com header.b="hd9g7OVz" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=fujitsu.com; i=@fujitsu.com; q=dns/txt; s=fj2; t=1712648009; x=1744184009; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qp+YgUH3bz+WFmudL3wOvXuBwp14NHmw9plnq6kfLYg=; b=hd9g7OVzCa7LT2r5GU5zz16SIRlW5GgKDjll/DxyC0Jlvi7KWPHjHLSb 3Rj8Lr8CWH8S1CiqANzQWoxCDXosnKeNGYIq95UA7xuAF/ydvCdT1jVbQ UejGMkTUFXAudEMob8+DEQ2JWDX7/WPGnlByMeJqeoRc99iAe7JFENABP aavB3Clmab1GUtpD4NsURco2LmCWE70pnphqgxkXCdLe1HKrsWMh14r6q gVJCYECk4ZVNyozUk3AonSWJUTp8K9I1+3w0lsn+/SS7e4oI12pHxqLG+ +Zi8/Tev0tkULlh3cIsrZWX34PDRoAaH4FdTuysgkmSc1ZoCXa2CU2mPY Q==; X-IronPort-AV: E=McAfee;i="6600,9927,11038"; a="154907598" X-IronPort-AV: E=Sophos;i="6.07,189,1708354800"; d="scan'208";a="154907598" Received: from unknown (HELO yto-r1.gw.nic.fujitsu.com) ([218.44.52.217]) by esa1.hc1455-7.c3s2.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2024 16:33:22 +0900 Received: from yto-m2.gw.nic.fujitsu.com (yto-nat-yto-m2.gw.nic.fujitsu.com [192.168.83.65]) by yto-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id D7EA8CA142; Tue, 9 Apr 2024 16:33:19 +0900 (JST) Received: from m3002.s.css.fujitsu.com (msm3.b.css.fujitsu.com [10.128.233.104]) by yto-m2.gw.nic.fujitsu.com (Postfix) with ESMTP id 1A1B6D595C; Tue, 9 Apr 2024 16:33:19 +0900 (JST) Received: from cxl-test.. (unknown [10.118.236.45]) by m3002.s.css.fujitsu.com (Postfix) with ESMTP id E77DE204E19D; Tue, 9 Apr 2024 16:33:18 +0900 (JST) From: "Kobayashi,Daisuke" To: kobayashi.da-06@jp.fujitsu.com, linux-cxl@vger.kernel.org Cc: y-goto@fujitsu.com, linux-pci@vger.kernel.org, mj@ucw.cz, dan.j.williams@intel.com, "Kobayashi,Daisuke" Subject: [PATCH v4 1/3] cxl: Add rcd_regs to cxl_rcrb_info Date: Tue, 9 Apr 2024 16:35:26 +0900 Message-ID: <20240409073528.13214-2-kobayashi.da-06@fujitsu.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240409073528.13214-1-kobayashi.da-06@fujitsu.com> References: <20240409073528.13214-1-kobayashi.da-06@fujitsu.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 Add rcd regs to cxl_rcrb_info to cache the RCD register values. Signed-off-by: "Kobayashi,Daisuke" --- drivers/cxl/cxl.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 003feebab79b..2dc827c301a1 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -647,6 +647,9 @@ cxl_find_dport_by_dev(struct cxl_port *port, const struct device *dport_dev) struct cxl_rcrb_info { resource_size_t base; u16 aer_cap; + u16 rcd_lnkctrl; + u16 rcd_lnkstatus; + u32 rcd_lnkcap; }; /**