From nobody Mon Feb 9 02:28:38 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=1643046174; cv=none; d=zohomail.com; s=zohoarc; b=H12urSd/x+Qp7CbrUTvEm58dU+zpHsqTVW2GAyYMkwpEEWwnxllsELVziPIGVYD//ls0WFJGYmL0IZUMI3bfa1i77pvS0PE6DH4yVegOvTxuSb6sCBX8oSjqwOka/Dl9n+Sv2+3A9YSJS6FcYMV6qWcHQGjlv/ngSZXR6EDkA0Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1643046174; 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=GXIl8rTy0v1pGUqrF328+FS3ymM90AStBmHEP5vEUHo=; b=ZTfPgP2JJo+hd9ISU/0PmyE9WV9QoVbsYpY0ZP9N7urrXHFb8pJxuDB6eKasfmTVWDMh3GLZct82j7SdstBjoMI1VQvaMxpB6fmfbm5Hk+/Cq4/uCLavzoP0aPCTaOKQlqQQwUBsRSQjVgYZYj5pm6g4Rvwuy1rgsMku+VngdFo= 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 1643046174574561.4749507243243; Mon, 24 Jan 2022 09:42:54 -0800 (PST) Received: from localhost ([::1]:50990 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nC3Mj-0005DN-NY for importer@patchew.org; Mon, 24 Jan 2022 12:42:53 -0500 Received: from eggs.gnu.org ([209.51.188.92]:56562) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nC31o-0001pc-Io for qemu-devel@nongnu.org; Mon, 24 Jan 2022 12:21:16 -0500 Received: from frasgout.his.huawei.com ([185.176.79.56]:2176) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nC31k-0008Lj-1v for qemu-devel@nongnu.org; Mon, 24 Jan 2022 12:21:16 -0500 Received: from fraeml706-chm.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4JjGrp46Rgz67bS4; Tue, 25 Jan 2022 01:17:46 +0800 (CST) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by fraeml706-chm.china.huawei.com (10.206.15.55) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.21; Mon, 24 Jan 2022 18:21:09 +0100 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 15.1.2308.21; Mon, 24 Jan 2022 17:21:08 +0000 To: , Marcel Apfelbaum , "Michael S . Tsirkin" , Igor Mammedov CC: , Ben Widawsky , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Peter Maydell , , Shameerali Kolothum Thodi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Saransh Gupta1 , Shreyas Shah , Chris Browy , Samarth Saxena , "Dan Williams" Subject: [PATCH v4 08/42] hw/cxl/device: Add cheap EVENTS implementation (8.2.9.1) Date: Mon, 24 Jan 2022 17:16:31 +0000 Message-ID: <20220124171705.10432-9-Jonathan.Cameron@huawei.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220124171705.10432-1-Jonathan.Cameron@huawei.com> References: <20220124171705.10432-1-Jonathan.Cameron@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.122.247.231] X-ClientProxiedBy: lhreml740-chm.china.huawei.com (10.201.108.190) 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: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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: 1643046176456100001 Content-Type: text/plain; charset="utf-8" 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 | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-mailbox-utils.c b/hw/cxl/cxl-mailbox-utils.c index 2854682cbe..1a87846356 100644 --- a/hw/cxl/cxl-mailbox-utils.c +++ b/hw/cxl/cxl-mailbox-utils.c @@ -37,6 +37,14 @@ * 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, @@ -105,10 +113,23 @@ 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); + +#define IMMEDIATE_CONFIG_CHANGE (1 << 1) +#define IMMEDIATE_LOG_CHANGE (1 << 4) + #define CXL_CMD(s, c, in, cel_effect) \ [s][c] =3D { stringify(s##_##c), cmd_##s##_##c, in, cel_effect } =20 -static struct cxl_cmd cxl_cmd_set[256][256] =3D {}; +static struct cxl_cmd cxl_cmd_set[256][256] =3D { + CXL_CMD(EVENTS, GET_RECORDS, 1, 0), + CXL_CMD(EVENTS, CLEAR_RECORDS, ~0, IMMEDIATE_LOG_CHANGE), + CXL_CMD(EVENTS, GET_INTERRUPT_POLICY, 0, 0), + CXL_CMD(EVENTS, SET_INTERRUPT_POLICY, 4, IMMEDIATE_CONFIG_CHANGE), +}; =20 #undef CXL_CMD =20 --=20 2.32.0