From patchwork Wed Oct 23 02:09:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yong Huang X-Patchwork-Id: 13846312 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 971FCD2E00B for ; Wed, 23 Oct 2024 02:11:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t3QpF-0001XZ-AM; Tue, 22 Oct 2024 22:10:17 -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 1t3QpB-0001XG-Lg for qemu-devel@nongnu.org; Tue, 22 Oct 2024 22:10:13 -0400 Received: from mail-ot1-x32a.google.com ([2607:f8b0:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t3Qp7-0007dZ-Ln for qemu-devel@nongnu.org; Tue, 22 Oct 2024 22:10:11 -0400 Received: by mail-ot1-x32a.google.com with SMTP id 46e09a7af769-7180f2f5fb0so3201065a34.1 for ; Tue, 22 Oct 2024 19:10:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=smartx-com.20230601.gappssmtp.com; s=20230601; t=1729649408; x=1730254208; 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=BcW/CUwOVFNCzVyQxL/mv8bi+/kDzT9IfUfKurNJVmk=; b=PDxssTyIJMCTHY0jdEVQqAHdM9yPviC0XTL5O5LMoybET2Lcbg48Pt2Ao3RL3yBD9G 5bFk3Fb3gA9bO05UpqJu5Qj/jDjjyUxOejvgVkOfwHOdJSbgi+lSt46t/8a5ZCj8j+tc pDJJ79BjPtbPeWmCQcmbyllk+GC9svj16xVm/XvKiBaYDomjLDxkF1DHUFaY4V6n7mgX TMuF/PZScOVTFqL3eedwfYm5i6vDxLXKoLb8v9cFCtn9QA3Tcsjh6ArJjMTGJ050S+85 Ri42eiljyVnpkj3M2FMzw73CNkdb6eFI3QgQYzerZYHGq4gBxGsany27ZcGjgdJ92os7 uoNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729649408; x=1730254208; 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=BcW/CUwOVFNCzVyQxL/mv8bi+/kDzT9IfUfKurNJVmk=; b=HvOLs0oaFPplKvulAqZnj05fpWK3C95imsvIsxtUQtVqkq+Z5HZfAA3V85ystlMuV5 zlDDBW2PPJDVs6MHKiQ8kDCimw8O2yKfhESFGZXltg2+tWEb0ikYGhMm1MqvFN82o7z7 hUIIMcYyLF1mx236wf9HUJEDmhls83lPoEhQ14+1vzsK56kdx9qfacQaNk7JnxmWhdBG 7Sio3LTPcmbCVWwM4K8LasnsELo7Al0qkZdrZ0pWp03iBBGEKffnrO3T/3pp2pd6Sai/ huw3jrXbDbmmMcHbBQkJwnoLa4cUP1g/upkV4FXogWKox8sx87yh3L2TDXKT/M3/789o jXYA== X-Gm-Message-State: AOJu0YwrGVMarFvfODdhEBT9pcxW4PX4rp5M+UBm4DtcmHyGPQBmWY++ qoX0D8wxRCY5+FnDDJE1nRdDufQCD6UFPMIZjx2X79FjX8+QhkF9662ZtNnWUUCFkp3yWM/DhgZ LiPF3iQ== X-Google-Smtp-Source: AGHT+IGKHxHiu3vXEONduE4iDUz/KshhtlVz+8STFHvcTODS+BeaeV8m0FKdtbEtHp3x8AST6iWxdA== X-Received: by 2002:a05:6830:628d:b0:718:1235:8b8a with SMTP id 46e09a7af769-7184b330c4fmr1381320a34.21.1729649407475; Tue, 22 Oct 2024 19:10:07 -0700 (PDT) Received: from Hyman-Dev-Euler.zelin.local ([103.172.41.198]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7eaeab5839dsm5861849a12.47.2024.10.22.19.10.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Oct 2024 19:10:07 -0700 (PDT) From: yong.huang@smartx.com To: qemu-devel@nongnu.org Cc: Peter Xu , Fabiano Rosas , Paolo Bonzini , yong.huang@smartx.com Subject: [PATCH RFC 1/2] accel/kvm: Introduce kvm_dirty_log_manual_enabled Date: Wed, 23 Oct 2024 10:09:50 +0800 Message-Id: <6df7d9ca9c90cf021857ef4f06b7f59c3664441b.1729648695.git.yong.huang@smartx.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::32a; envelope-from=yong.huang@smartx.com; helo=mail-ot1-x32a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=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 From: Hyman Huang Introudce kvm_dirty_log_manual_enabled to indicate if dirty logging manually was enabled in KVM. The kvm_dirty_log_manual_enabled will be used in the next commit. Signed-off-by: Hyman Huang --- accel/kvm/kvm-all.c | 2 ++ include/sysemu/kvm.h | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index 801cff16a5..a0f3e6e493 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -93,6 +93,7 @@ bool kvm_allowed; bool kvm_readonly_mem_allowed; bool kvm_vm_attributes_allowed; bool kvm_msi_use_devid; +bool kvm_dirty_log_manual; static bool kvm_has_guest_debug; static int kvm_sstep_flags; static bool kvm_immediate_exit; @@ -2537,6 +2538,7 @@ static int kvm_setup_dirty_ring(KVMState *s) dirty_log_manual_caps); s->manual_dirty_log_protect = 0; } + kvm_dirty_log_manual = true; } } diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index c3a60b2890..f38f2818e1 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -42,6 +42,7 @@ extern bool kvm_gsi_routing_allowed; extern bool kvm_gsi_direct_mapping; extern bool kvm_readonly_mem_allowed; extern bool kvm_msi_use_devid; +extern bool kvm_dirty_log_manual; #define kvm_enabled() (kvm_allowed) /** @@ -143,6 +144,12 @@ extern bool kvm_msi_use_devid; */ #define kvm_msi_devid_required() (kvm_msi_use_devid) +/** + * kvm_dirty_log_manual_enabled: + * Returns: true if dirty logging manually was enabled. + */ +#define kvm_dirty_log_manual_enabled() (kvm_dirty_log_manual) + #else #define kvm_enabled() (0) @@ -157,6 +164,7 @@ extern bool kvm_msi_use_devid; #define kvm_gsi_direct_mapping() (false) #define kvm_readonly_mem_enabled() (false) #define kvm_msi_devid_required() (false) +#define kvm_dirty_log_manual_enabled() (false) #endif /* CONFIG_KVM_IS_POSSIBLE */