From patchwork Tue Apr 1 00:52:33 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denis Mukhin X-Patchwork-Id: 14034246 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 6DDBBC36017 for ; Tue, 1 Apr 2025 00:53:00 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.933295.1335275 (Exim 4.92) (envelope-from ) id 1tzPrz-00012s-CB; Tue, 01 Apr 2025 00:52:47 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 933295.1335275; Tue, 01 Apr 2025 00:52:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tzPrz-00012l-99; Tue, 01 Apr 2025 00:52:47 +0000 Received: by outflank-mailman (input) for mailman id 933295; Tue, 01 Apr 2025 00:52:45 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tzPrw-00012a-GM for xen-devel@lists.xenproject.org; Tue, 01 Apr 2025 00:52:45 +0000 Received: from mail-10628.protonmail.ch (mail-10628.protonmail.ch [79.135.106.28]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 9d7e3286-0e93-11f0-9ffb-bf95429c2676; Tue, 01 Apr 2025 02:52:41 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 9d7e3286-0e93-11f0-9ffb-bf95429c2676 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=proton.me; s=protonmail; t=1743468760; x=1743727960; bh=GFqthro3iq6tf+JDFaLzzXcjIdmu4fT0hxT+wTrVwBk=; h=Date:To:From:Cc:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector: List-Unsubscribe:List-Unsubscribe-Post; b=QFhMeFhIKw4VC9zjG3iF8PSy/PFNYiNAVIGDcC+het2nmyYd6qAfeJLPWD4C3aP0H 2B9yrrvCDG1iKVKmtOhtIEAgiHdQ8gPg1tBX7QnzMDpHTteZaF+pVObR1mzCSMkh4m UNEJH8F1PSbFp71G8ckpYTTtX3JsQ3bn3JNotqxBpc1GlrcWLc688uOXH6FKLaVd9p Sdw+5hIOfjyJR5w3f6MFLIhbbqBiqy7LScOF0/YYWEoa8pG8BZYAwX8sgWAzzO30H0 /mvJyjm2J4DrofsIZ/tG18ZQPVu784vmrPhsoWhknyyALSwybwSpLpQggEUMITOXZT 5jHXXg3IG+upA== Date: Tue, 01 Apr 2025 00:52:33 +0000 To: xen-devel@lists.xenproject.org From: dmkhn@proton.me Cc: andrew.cooper3@citrix.com, anthony.perard@vates.tech, jbeulich@suse.com, julien@xen.org, michal.orzel@amd.com, roger.pau@citrix.com, sstabellini@kernel.org, dmukhin@ford.com Subject: [PATCH v1 0/3] xen/domain: updates to hardware emulation flags Message-ID: <20250401005224.461325-1-dmukhin@ford.com> Feedback-ID: 123220910:user:proton X-Pm-Message-ID: 744bf75cc58d419b653e38a1aaca5637be21d919 MIME-Version: 1.0 The patch series introduces use of d->arch.emulation_flags for non-x86 platforms (patch 1) and hooks emulation_flags to 'q' keyhandler for debugging. emulation_flags on non-x86 systems will be used in the follow on virtual UARTs clean up series. Also, series adds helper macros (patch 2) which are used in re-write of emulation_flags_ok() on x86 (patch 3, depends on patch 2). Originally, the code was part of [1], part of NS16550 emulator v3 series. [1] https://lore.kernel.org/xen-devel/20250103-vuart-ns8250-v3-v1-6-c5d36b31d66c@ford.com/ [2] Link to CI run: https://gitlab.com/xen-project/people/dmukhin/xen/-/pipelines/1745622772 Denis Mukhin (3): xen/domain: introduce non-x86 hardware emulation flags x86/domain: add helpers to simplify emulation flags management xen/domain: rewrite emulation_flags_ok() tools/python/xen/lowlevel/xc/xc.c | 4 +--- xen/arch/arm/include/asm/domain.h | 2 ++ xen/arch/ppc/include/asm/domain.h | 2 ++ xen/arch/riscv/include/asm/domain.h | 2 ++ xen/arch/x86/domain.c | 29 +++++++++++------------------ xen/arch/x86/include/asm/domain.h | 2 +- xen/common/keyhandler.c | 1 + xen/include/public/arch-x86/xen.h | 7 +++++++ 8 files changed, 27 insertions(+), 22 deletions(-)