From patchwork Thu Jan 9 02:44:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ethan Chen X-Patchwork-Id: 13931898 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B2849E77188 for ; Thu, 9 Jan 2025 03:14:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tViya-0000A9-SG; Wed, 08 Jan 2025 22:12:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tViyX-000088-I1; Wed, 08 Jan 2025 22:12:49 -0500 Received: from 60-248-80-70.hinet-ip.hinet.net ([60.248.80.70] helo=Atcsqr.andestech.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tViyV-0001Jd-Hx; Wed, 08 Jan 2025 22:12:49 -0500 Received: from Atcsqr.andestech.com (localhost [127.0.0.2] (may be forged)) by Atcsqr.andestech.com with ESMTP id 5092je0r028724; Thu, 9 Jan 2025 10:45:40 +0800 (+08) (envelope-from ethan84@andestech.com) Received: from mail.andestech.com (ATCPCS31.andestech.com [10.0.1.89]) by Atcsqr.andestech.com with ESMTPS id 5092j1BS027822 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 9 Jan 2025 10:45:01 +0800 (+08) (envelope-from ethan84@andestech.com) Received: from atcpcw16.andestech.com (10.0.1.106) by ATCPCS31.andestech.com (10.0.1.89) with Microsoft SMTP Server (TLS) id 14.3.498.0; Thu, 9 Jan 2025 10:45:01 +0800 To: CC: , , , , , , , , , , , , Ethan Chen Subject: [PATCH v9 5/8] hw/misc/riscv_iopmp_txn_info: Add struct for transaction infomation Date: Thu, 9 Jan 2025 10:44:38 +0800 Message-ID: <20250109024441.3283671-6-ethan84@andestech.com> X-Mailer: git-send-email 2.42.0.345.gaab89be2eb.dirty In-Reply-To: <20250109024441.3283671-1-ethan84@andestech.com> References: <20250109024441.3283671-1-ethan84@andestech.com> MIME-Version: 1.0 X-Originating-IP: [10.0.1.106] X-DKIM-Results: atcpcs31.andestech.com; dkim=none; X-DNSRBL: X-MAIL: Atcsqr.andestech.com 5092je0r028724 Received-SPF: pass client-ip=60.248.80.70; envelope-from=ethan84@andestech.com; helo=Atcsqr.andestech.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, RDNS_DYNAMIC=0.982, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, TVD_RCVD_IP=0.001 autolearn=no 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: , Reply-to: Ethan Chen X-Patchwork-Original-From: Ethan Chen via From: Ethan Chen Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The entire valid transaction must fit within a single IOPMP entry. However, during IOMMU translation, the transaction size is not available. This structure defines the transaction information required by the IOPMP. Signed-off-by: Ethan Chen --- include/hw/misc/riscv_iopmp_txn_info.h | 38 ++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 include/hw/misc/riscv_iopmp_txn_info.h diff --git a/include/hw/misc/riscv_iopmp_txn_info.h b/include/hw/misc/riscv_iopmp_txn_info.h new file mode 100644 index 0000000000..98bd26b68b --- /dev/null +++ b/include/hw/misc/riscv_iopmp_txn_info.h @@ -0,0 +1,38 @@ +/* + * QEMU RISC-V IOPMP transaction information + * + * The transaction information structure provides the complete transaction + * length to the IOPMP device + * + * Copyright (c) 2023-2025 Andes Tech. Corp. + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#ifndef RISCV_IOPMP_TXN_INFO_H +#define RISCV_IOPMP_TXN_INFO_H + +typedef struct { + /* The id of requestor */ + uint32_t rrid:16; + /* The start address of transaction */ + uint64_t start_addr; + /* The end address of transaction */ + uint64_t end_addr; + /* The stage of cascading IOPMP */ + uint32_t stage; +} riscv_iopmp_txn_info; + +#endif