From mboxrd@z Thu Jan 1 00:00:00 1970 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 82BC8C7115C for ; Fri, 20 Jun 2025 22:21:05 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSk4a-0000zH-TY; Fri, 20 Jun 2025 18:19:00 -0400 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 1uSfYE-00079a-MZ for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:29:18 -0400 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uSfYD-0005wJ-4M for qemu-devel@nongnu.org; Fri, 20 Jun 2025 13:29:18 -0400 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-441ab63a415so22252885e9.3 for ; Fri, 20 Jun 2025 10:29:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750440555; x=1751045355; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ohx4GP/5vVyUd0x0C8YOpGYH493OfMoJsrTgIcM1l3E=; b=VFl6lIUZLfWGzMVHn5T2rK8NI6obvZw1f6HTXGxRAQxh9SxrB90p2ma5Ac2PXveQHk +49e16+r1GmWa2wcswtNwQN1lqbMKp6jVMV12bEwUyrmZR7mAn1+DVWnNst8GYPJgk9n 5eD0tGGeRU5c5JwozsKcycmlE+rjasDO7OEA011mMFUL3xG1DefeoBtp+5EU8MY+Jsjj iTd3BMcoLVy2RNqflMzfr8Sc+XvV+1j9yjXB9u4R6YV6wiwL5jjopuW+qFqObomC+oF1 FWr6zDnzoXeM7oV66tHaAgE5sw3IHKBvOa/pwKbT4ZQI6fjr0UyZfPY5WrQPKKJwhFg2 nBIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750440555; x=1751045355; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ohx4GP/5vVyUd0x0C8YOpGYH493OfMoJsrTgIcM1l3E=; b=hhyHR4//f86dK0vVrLDblMGg7FxMW5gH5nswd7nWkuSUM0zMD+KWP4DS5qQN0hJfwD QGlBJPFyEEsDHpIl1Waq0F4COgF1SBRBmRbG94WoBbXfhlKS3UKdzcidqW3br0j7FtYp viZFhTIVJTHXsCqFpcm5qB3aYZV6sv76YLle4+cpzD/PlPKb5ynTtZbQrgDAGkr37sKV LlC64u7iFExPlQAlRDlNo9CsHRdGvh98L5SynJaqb+V+iqeZic6ndI6D4lju42wU+BxI 49T4MZIh73WSj3oeBU/KocJZ3wonHgArB2U0HYKpukcEt1nCNXeKwvKXRqHAyQy2TXHz GwUA== X-Gm-Message-State: AOJu0YwasUWjkfjqyfWz0SD8IWeJ7Ot+Tsiga5K12Fjuv0yWAgxPrro2 q4q7fTE9kzjOEc2XMapIv30QfA4SvQuGQyP55KuA+s/ud/aKmRFQFZJm8zB3MqtnRjpwC1rTzDi JQJ3HUBW52w== X-Gm-Gg: ASbGnctYDndUfzoFRfuTzIOuB3P2wZytLQEfHZGDIEwD4gI6g/ugH86kKoxicdo8gK9 g1J6YJJnSlodiS1DIHcqdVMqvVlBHu6qCc7O7al2rZjkn3d1IVSzF8lQtTC0b43RC0jfPJRIkPh Up7yul/0wK44MPa8/mnI1XGjWPld59RXxpykwzJXM1STVfKw4ebzZKeP55oRGJNqhZCcPLyc8sE cyVOhIytfZ97xIyNalX4Dv779qD0uMhbcNim1nj13TVRFDOEP0N++phC4RhBlO/HgOfrDODYH5X NUftLCAbupEo5y4XS9iSy2CBZFmn12XC6FNIFtk8LhBubkMaf5kVaBZiYngbdHGqIkdeZl89WAd C7x8BYK0jq7o7/B4A2jToDWY1il8s4XfHUjJKj0fihJyGxNCmibjbe5xO X-Google-Smtp-Source: AGHT+IGZPAEMfhIjjYf9qL5qqNwwnHFuwR453wqzVKnyHgJMflhqIrjPJVI2eaAS+mLEvK05iiZqnw== X-Received: by 2002:a05:600c:45cd:b0:453:6150:de2f with SMTP id 5b1f17b1804b1-453653cc978mr33309325e9.1.1750440555161; Fri, 20 Jun 2025 10:29:15 -0700 (PDT) Received: from localhost.localdomain (101.red-95-127-63.dynamicip.rima-tde.net. [95.127.63.101]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45364705748sm30865405e9.28.2025.06.20.10.29.12 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 20 Jun 2025 10:29:14 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Alexander Graf , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson , Paolo Bonzini , Peter Maydell , Julian Armistead , Cameron Esfahani , Mark Burton , Thomas Huth , "Edgar E. Iglesias" , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [RFC PATCH RESEND 10/42] accel/split: Define and allocate AccelCPUState Date: Fri, 20 Jun 2025 19:27:18 +0200 Message-ID: <20250620172751.94231-11-philmd@linaro.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250620172751.94231-1-philmd@linaro.org> References: <20250620172751.94231-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::331; envelope-from=philmd@linaro.org; helo=mail-wm1-x331.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org AccelCPUState is where we store per-vCPU accelerator related information. FIXME: structures might clash so add padding (ok with TCG+HVF) Signed-off-by: Philippe Mathieu-Daudé --- accel/split/split-accel.h | 7 +++++++ accel/split/split-accel-ops.c | 9 ++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/accel/split/split-accel.h b/accel/split/split-accel.h index 19fb530f207..87a08454ce6 100644 --- a/accel/split/split-accel.h +++ b/accel/split/split-accel.h @@ -38,4 +38,11 @@ struct SplitAccelState { char *sw_name; }; +struct AccelCPUState { + char pad[128]; + + AccelState *accel; + bool use_hw; +}; + #endif /* SPLIT_ACCEL_H */ diff --git a/accel/split/split-accel-ops.c b/accel/split/split-accel-ops.c index 294ea79420e..efef0d60fde 100644 --- a/accel/split/split-accel-ops.c +++ b/accel/split/split-accel-ops.c @@ -12,10 +12,13 @@ #include "exec/cpu-common.h" #include "system/accel-ops.h" #include "system/cpus.h" +#include "split-accel.h" static void *split_cpu_thread_routine(void *arg) { + AccelState *as = current_accel(); CPUState *cpu = arg; + AccelCPUState *acs; int r; /* TODO: check accel allowed */ @@ -29,7 +32,10 @@ static void *split_cpu_thread_routine(void *arg) current_cpu = cpu; /* TODO: init_vcpu_thread() */ - /* TODO: allocate AccelCPUState */ + cpu->accel = g_renew(AccelCPUState, cpu->accel, 1); /* XXX only with current TCG */ + acs = cpu->accel; + acs->accel = as; + acs->use_hw = false; /* signal CPU creation */ cpu_thread_signal_created(cpu); @@ -60,6 +66,7 @@ static void *split_cpu_thread_routine(void *arg) */ break; case EXCP_ATOMIC: + assert(!acs->use_hw); bql_unlock(); cpu_exec_step_atomic(cpu); bql_lock(); -- 2.49.0