From nobody Mon Feb 9 08:58:07 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1651243801; cv=none; d=zohomail.com; s=zohoarc; b=Oognz0fOGoasjWMuJUNnJ3PxLSivnlLgJwzSY7VHHp+gcu+hxXw9RhT6HcFWQ14u1ZfZKkF80fzcLaCUYvtPZxVvityFts5BJ2XJM7RhDXRwi/QgPMNM9kvth7SkCDx6ULbmCQRzghRMumVkmLissmHBTzZBYzTwvttP51BFquY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1651243801; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=fw6+NZ0CxVKfrgr6bYbp+Wb6gryhKSuM5+qT9kA7xr8=; b=RFLOLXHsZ5o8KpAevFB0QJ5KWHrwbllabTERqGM6YRYyg7EM3MwNXab9aJVBiZ40bh7bShaKOIcmzZUxWQqfLrtdAKLECkeU/tXBGV7vlNUN/isiSSafwkN4J8QMpdhRqQtmsaY88KI5QVhbfrOsfMIlAb3ko/hyBonj2/hWmA0= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1651243801901119.27635585934911; Fri, 29 Apr 2022 07:50:01 -0700 (PDT) Received: from localhost ([::1]:38420 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkRwW-0004yI-Fw for importer@patchew.org; Fri, 29 Apr 2022 10:50:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36174) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkRs0-0006Yq-3z for qemu-devel@nongnu.org; Fri, 29 Apr 2022 10:45:20 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:2529) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkRry-0000Sc-Bu for qemu-devel@nongnu.org; Fri, 29 Apr 2022 10:45:19 -0400 Received: from fraeml714-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4KqZw035frz67xLp; Fri, 29 Apr 2022 22:42:40 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml714-chm.china.huawei.com (10.206.15.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Apr 2022 16:45:15 +0200 Received: from SecurePC-101-06.china.huawei.com (10.122.247.231) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Fri, 29 Apr 2022 15:45:15 +0100 To: , , , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov , Markus Armbruster , Mark Cave-Ayland , Adam Manzanares , Tong Zhang CC: , Ben Widawsky , "Peter Maydell" , Shameerali Kolothum Thodi , , Peter Xu , David Hildenbrand , Paolo Bonzini , Saransh Gupta1 , Shreyas Shah , Chris Browy , "Samarth Saxena" , Dan Williams , , , Alison Schofield Subject: [PATCH v10 08/45] hw/cxl/device: Add cheap EVENTS implementation (8.2.9.1) Date: Fri, 29 Apr 2022 15:40:33 +0100 Message-ID: <20220429144110.25167-9-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220429144110.25167-1-Jonathan.Cameron@huawei.com> References: <20220429144110.25167-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml727-chm.china.huawei.com (10.201.108.78) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Reply-to: Jonathan Cameron From: Jonathan Cameron via X-ZM-MESSAGEID: 1651243803230100001 From: Ben Widawsky Using the previously implemented stubbed helpers, it is now possible to easily add the missing, required commands to the implementation. Signed-off-by: Ben Widawsky Signed-off-by: Jonathan Cameron Reviewed-by: Alex Benn=C3=A9e --- hw/cxl/cxl-mailbox-utils.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 2557f41f61..fb1f53f48e 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -38,6 +38,14 @@ * a register interface that already deals with it. */ =20 +enum { + EVENTS =3D 0x01, + #define GET_RECORDS 0x0 + #define CLEAR_RECORDS 0x1 + #define GET_INTERRUPT_POLICY 0x2 + #define SET_INTERRUPT_POLICY 0x3 +}; + /* 8.2.8.4.5.1 Command Return Codes */ typedef enum { CXL_MBOX_SUCCESS =3D 0x0, @@ -93,9 +101,26 @@ struct cxl_cmd { return CXL_MBOX_SUCCESS; \ } =20 +DEFINE_MAILBOX_HANDLER_ZEROED(events_get_records, 0x20); +DEFINE_MAILBOX_HANDLER_NOP(events_clear_records); +DEFINE_MAILBOX_HANDLER_ZEROED(events_get_interrupt_policy, 4); +DEFINE_MAILBOX_HANDLER_NOP(events_set_interrupt_policy); + static QemuUUID cel_uuid; =20 -static struct cxl_cmd cxl_cmd_set[256][256] =3D {}; +#define IMMEDIATE_CONFIG_CHANGE (1 << 1) +#define IMMEDIATE_LOG_CHANGE (1 << 4) + +static struct cxl_cmd cxl_cmd_set[256][256] =3D { + [EVENTS][GET_RECORDS] =3D { "EVENTS_GET_RECORDS", + cmd_events_get_records, 1, 0 }, + [EVENTS][CLEAR_RECORDS] =3D { "EVENTS_CLEAR_RECORDS", + cmd_events_clear_records, ~0, IMMEDIATE_LOG_CHANGE }, + [EVENTS][GET_INTERRUPT_POLICY] =3D { "EVENTS_GET_INTERRUPT_POLICY", + cmd_events_get_interrupt_policy, 0, 0 }, + [EVENTS][SET_INTERRUPT_POLICY] =3D { "EVENTS_SET_INTERRUPT_POLICY", + cmd_events_set_interrupt_policy, 4, IMMEDIATE_CONFIG_CHANGE }, +}; =20 void cxl_process_mailbox(CXLDeviceState *cxl_dstate) { --=20 2.32.0