From patchwork Thu Sep 14 01:55:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 13384167 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD78DEE0217 for ; Thu, 14 Sep 2023 02:01:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234839AbjINCBE (ORCPT ); Wed, 13 Sep 2023 22:01:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234746AbjINB77 (ORCPT ); Wed, 13 Sep 2023 21:59:59 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C0E23C06 for ; Wed, 13 Sep 2023 18:56:32 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id d9443c01a7336-1c1fe87fc29so4092695ad.0 for ; Wed, 13 Sep 2023 18:56:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1694656592; x=1695261392; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=Vjv0zC4RrtxbIkJLIAO5e3EhKuQZW28HjcF6ypERxIg=; b=4dEdCKgsqAUfA71gJDGn1QkhjWkryjd4tWQSydavJOoANvp/FtV+Br8R0i1zeosT3Y u8pvf7DfZ8MHlLpx2+B3bj7hUFd7pFeNJPnwR3f+bRUa38lwP1kOt1Pp5T/X4ZMWLUx7 s1o9dH78hruSsEApGeTQuP+TKkGaZlSggRV7vwNwF739cPJ8WAgLjdLVVWZaeUJTWN9S OfbOmimZGumNiujKk3Ydfl2B1x9HG901OBVUL/c3lLv3JYZvI5b0ZvfbvuxJSCkGdvlG OydBaR5ujEvrTFiOuFZiWEuPFp9bWOar6/5nW/qVCcOifbAiW0IuWtjlcA3Cm3zHyg2w WXfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694656592; x=1695261392; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Vjv0zC4RrtxbIkJLIAO5e3EhKuQZW28HjcF6ypERxIg=; b=H48j7Y5iwF8+IzApqchvEOzEk4BvvnycCRSM9RHxvGDl40Oa2GKLRfkiUCx6i1vezg oGjeziIkyK3wuPThphrv3bDYd6t6SueK68TA3TDAMqhYFRk85CiOGU5L9Hf+MQTW6zwb BdZZ4cAYAOMY1qTlog7F/8BEow2FbFJa/W9GMQTpFFdHEYnTdwSkW1Ke/SZ+D0rqpBWY WeG6OgoKL2JzY/5YBjK+5VCK1o8DossTs8BXwupgNU//1U5CfLsiEto4zKUdkT/8pm7G Hh71VW9tSOiZdPSCals1TPiCsrUUe3PW7gIjakCo1ljDtcTJd3D2QCW2MY+MiF6uQj+K s4fA== X-Gm-Message-State: AOJu0YxsyxvfxSskKwuFQguLOjQvA3ovuhcVR9eqllLuy6jEvcC/ThL2 /QzhNRB5IMyyd6CyApXDzDnqxfO6ozo= X-Google-Smtp-Source: AGHT+IH29SvaM4IJ2/NXJnaPAeFMS+fjtgLQL7Rq48UqpO83PYLOZng2qV6FMiS0c4sL4jzOiYmTHdNxdV0= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:902:e551:b0:1c3:a4f2:7c85 with SMTP id n17-20020a170902e55100b001c3a4f27c85mr212223plf.6.1694656591946; Wed, 13 Sep 2023 18:56:31 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 13 Sep 2023 18:55:26 -0700 In-Reply-To: <20230914015531.1419405-1-seanjc@google.com> Mime-Version: 1.0 References: <20230914015531.1419405-1-seanjc@google.com> X-Mailer: git-send-email 2.42.0.283.g2d96d420d3-goog Message-ID: <20230914015531.1419405-29-seanjc@google.com> Subject: [RFC PATCH v12 28/33] KVM: selftests: Add GUEST_SYNC[1-6] macros for synchronizing more data From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Huacai Chen , Michael Ellerman , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Sean Christopherson , "Matthew Wilcox (Oracle)" , Andrew Morton , Paul Moore , James Morris , "Serge E. Hallyn" Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, Chao Peng , Fuad Tabba , Jarkko Sakkinen , Anish Moorthy , Yu Zhang , Isaku Yamahata , Xu Yilun , Vlastimil Babka , Vishal Annapurve , Ackerley Tng , Maciej Szmigiero , David Hildenbrand , Quentin Perret , Michael Roth , Wang , Liam Merwick , Isaku Yamahata , "Kirill A . Shutemov" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Add GUEST_SYNC[1-6]() so that tests can pass the maximum amount of information supported via ucall(), without needing to resort to shared memory. Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/include/ucall_common.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/testing/selftests/kvm/include/ucall_common.h b/tools/testing/selftests/kvm/include/ucall_common.h index 112bc1da732a..7cf40aba7add 100644 --- a/tools/testing/selftests/kvm/include/ucall_common.h +++ b/tools/testing/selftests/kvm/include/ucall_common.h @@ -54,6 +54,17 @@ int ucall_nr_pages_required(uint64_t page_size); #define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \ ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4) #define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage) +#define GUEST_SYNC1(arg0) ucall(UCALL_SYNC, 1, arg0) +#define GUEST_SYNC2(arg0, arg1) ucall(UCALL_SYNC, 2, arg0, arg1) +#define GUEST_SYNC3(arg0, arg1, arg2) \ + ucall(UCALL_SYNC, 3, arg0, arg1, arg2) +#define GUEST_SYNC4(arg0, arg1, arg2, arg3) \ + ucall(UCALL_SYNC, 4, arg0, arg1, arg2, arg3) +#define GUEST_SYNC5(arg0, arg1, arg2, arg3, arg4) \ + ucall(UCALL_SYNC, 5, arg0, arg1, arg2, arg3, arg4) +#define GUEST_SYNC6(arg0, arg1, arg2, arg3, arg4, arg5) \ + ucall(UCALL_SYNC, 6, arg0, arg1, arg2, arg3, arg4, arg5) + #define GUEST_PRINTF(_fmt, _args...) ucall_fmt(UCALL_PRINTF, _fmt, ##_args) #define GUEST_DONE() ucall(UCALL_DONE, 0)