From patchwork Fri Oct 27 18:22:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 13438926 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 E0C1AC25B47 for ; Fri, 27 Oct 2023 18:26:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235012AbjJ0S0I (ORCPT ); Fri, 27 Oct 2023 14:26:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346581AbjJ0SZs (ORCPT ); Fri, 27 Oct 2023 14:25:48 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6E0CC2133 for ; Fri, 27 Oct 2023 11:23:26 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-5a7b9e83b70so22729457b3.0 for ; Fri, 27 Oct 2023 11:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1698431005; x=1699035805; 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=zYKW06Y9tS7nzBZmp5ooZeVm0pRKPQ996s+RZNHFHDA=; b=rsKK6rbAYAiqifh8LhXS1YdjAp9NYCnrVBnqxDXeeDHPkXkVjrFtIaXuf0bO9vldaY XTLN/9io74yTG1HpPu8yrr38SKhcOycy5u+Tc5vbQ6CjISXnL17i0IKFlOrGKezVK94M WFLEEbx8e6r0SxponlANBHJLAd21E44zLw/HXeFDjvAWkdcS3Abnvfnpwr9lPUrrDBRq FTQkZ6QelqhadvtgIN5Lv6GQsdXZP5QxgTH2iIQ/LUYa6awa34vMDm6uFwccnyeHnqzi FbILyWx0w55rNwvnuLEMEV9k9KbkHHKHHUW4SocqFUrRzwOfaXtrvsvp1jQsMeoSxx93 86NA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698431005; x=1699035805; 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=zYKW06Y9tS7nzBZmp5ooZeVm0pRKPQ996s+RZNHFHDA=; b=ujX/pQSkB73AQ//6/8UC8Z1EalkiM5EaejlSRNaCt0v6BISBC1zWcJAt3+4YVMar27 S7IADZTxlMwbbq/UYdPKziUiyFg9dVHuUaDr+hA/C0jTADae6Z60le7OTbclhhAm9W2r OHuY8+sR12FEWbsWxdsOqm2B0GfA2gGsNvLJdfgjLcWrTfkXGsaIBhRc89c8bRB9Akza hVeeCP0JY4mqN96o+r9WwmCTRnkj4eAZaxcPntbFUtA6Jp2EURIbtL9DLxlU4K1bQcin m/dwbIFLsY7fxQPQh44DKH8EMOIJ4Zs7JRBr96C/TzuxpUIaC4ZBawNf5lh+S0sByLU9 H2IA== X-Gm-Message-State: AOJu0Yy0zpZDMk0dW86ZkxufAeIqJeM4nWv6gxn+YrdtU4jPMmnyblf5 NfixlfY/kHutv+Z5Jz834lljKbGyqfk= X-Google-Smtp-Source: AGHT+IErWdjWWNGtxZOL2jGOuLZz5+Zkhfhc0XQVVHxJSZZLCXWd4MbZY0rGLoG0iR2uIHcgyGOCoD0Mx1Q= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a0d:ca0f:0:b0:59b:e663:23b0 with SMTP id m15-20020a0dca0f000000b0059be66323b0mr102891ywd.4.1698431004987; Fri, 27 Oct 2023 11:23:24 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 27 Oct 2023 11:22:12 -0700 In-Reply-To: <20231027182217.3615211-1-seanjc@google.com> Mime-Version: 1.0 References: <20231027182217.3615211-1-seanjc@google.com> X-Mailer: git-send-email 2.42.0.820.g83a721a137-goog Message-ID: <20231027182217.3615211-31-seanjc@google.com> Subject: [PATCH v13 30/35] 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 , Alexander Viro , Christian Brauner , "Matthew Wilcox (Oracle)" , Andrew Morton 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-kernel@vger.kernel.org, Xiaoyao Li , Xu Yilun , Chao Peng , Fuad Tabba , Jarkko Sakkinen , Anish Moorthy , David Matlack , Yu Zhang , Isaku Yamahata , " =?utf-8?q?Micka=C3=ABl_Sala?= =?utf-8?q?=C3=BCn?= " , 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-mips@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 ce33d306c2cb..0fb472a5a058 100644 --- a/tools/testing/selftests/kvm/include/ucall_common.h +++ b/tools/testing/selftests/kvm/include/ucall_common.h @@ -52,6 +52,17 @@ 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)