From nobody Mon Apr 29 16:13:45 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; dkim=fail spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1498014946117208.50448150113675; Tue, 20 Jun 2017 20:15:46 -0700 (PDT) Received: from localhost ([::1]:51624 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dNW7M-0005rE-37 for importer@patchew.org; Tue, 20 Jun 2017 23:15:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39171) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dNW6e-0005UL-Ni for qemu-devel@nongnu.org; Tue, 20 Jun 2017 23:15:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dNW6a-0004pl-NS for qemu-devel@nongnu.org; Tue, 20 Jun 2017 23:15:00 -0400 Received: from mail-pg0-x244.google.com ([2607:f8b0:400e:c05::244]:35930) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dNW6a-0004pM-Hj for qemu-devel@nongnu.org; Tue, 20 Jun 2017 23:14:56 -0400 Received: by mail-pg0-x244.google.com with SMTP id e187so16301501pgc.3 for ; Tue, 20 Jun 2017 20:14:55 -0700 (PDT) Received: from localhost ([203.205.141.123]) by smtp.gmail.com with ESMTPSA id i63sm32132616pge.56.2017.06.20.20.14.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Jun 2017 20:14:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=eQdXTo12+iZGtdkkT7nUATt7vdkpZLlRHP7bjPwsnd0=; b=Mqo3OtiKRGUwS7Hm6iUFoc4+YE1UL1R36c54oL0eKqQvEZ2jx0mVUHLbrgKes8W6cJ /EmfKMpOxPF4oyqtgoQelRQI0YhohkMMiprQ/JBup/Z9lOwIa5Xk0EhUQ1gS8R49xhJn FHoxeO9QpWmp0BE/6etpsKITN0u4ztoM99v9783mS25A0UBN1ioJM2KsqOwFlQZz9QXu mdQjJaUUayd8vWSPd38j4DTke1d0lWAXNFJOWWlHVEw8d/J7TjI+Gk61A6EW6EeE5/Vj f7jPwcu6u8fT2PzUOZEWnFhYFs16bWGaCMDWf5WP1zvaqVXhg5u5foz424uAu+hpmnn1 Sfgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=eQdXTo12+iZGtdkkT7nUATt7vdkpZLlRHP7bjPwsnd0=; b=YtVq7lKGTrj+5IP5ldNW6ETDp9BvWoOSgkwMVYtVwr29oTHdj5+GZ9krxuC+GQfqRM SSyLw8hPfldzcFEGPShAHqbWso8AJ3J4N2J7kzMc2k21hon80GifqBdMYsSBg/6Vh8GN BFpmIkzMpNcUaAQcukRrGdGGjZbM/ATwsfwRpYxjQYLceCWtllEd3WbnXJxe+q6zDUcr 3OVvAnncpKZJE0MA+tYzF0mXCJ6bK0xZSYL8d06D6uHh3vILJ1Mrhh6gEpLAzL+tvQ7I Hkt+58IwLZnUIW5uFPHsBCazaz4N1t+d3p9Q8+fTX5INi/5zdTz7VG85gxPdMTTowFrr fDiw== X-Gm-Message-State: AKS2vOxawgar5ywqYZBQaNMeHgmt7wrznDZIJwpC8mFQ0z3Itop8INzC PqF4JMfkdamkMR+K X-Received: by 10.99.99.193 with SMTP id x184mr29922555pgb.13.1498014893942; Tue, 20 Jun 2017 20:14:53 -0700 (PDT) From: Wanpeng Li X-Google-Original-From: Wanpeng Li To: qemu-devel@nongnu.org, kvm@vger.kernel.org Date: Tue, 20 Jun 2017 20:14:49 -0700 Message-Id: <1498014889-52658-1-git-send-email-wanpeng.li@hotmail.com> X-Mailer: git-send-email 2.7.4 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::244 Subject: [Qemu-devel] [PATCH] KVM: Add async pf flag to KVM_GET/SET_VCPU_EVENTS interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Wanpeng Li , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Wanpeng Li This patch adds async pf flag to KVM_GET/SET_VCPU_EVENTS interface. Signed-off-by: Wanpeng Li --- linux-headers/asm-x86/kvm.h | 2 ++ target/i386/cpu.h | 1 + target/i386/kvm.c | 6 +++++- 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h index c2824d0..435f03f 100644 --- a/linux-headers/asm-x86/kvm.h +++ b/linux-headers/asm-x86/kvm.h @@ -287,6 +287,7 @@ struct kvm_reinject_control { #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 #define KVM_VCPUEVENT_VALID_SMM 0x00000008 +#define KVM_VCPUEVENT_VALID_ASYNC_PF 0x00000010 =20 /* Interrupt shadow states */ #define KVM_X86_SHADOW_INT_MOV_SS 0x01 @@ -300,6 +301,7 @@ struct kvm_vcpu_events { __u8 has_error_code; __u8 pad; __u32 error_code; + bool async_page_fault; } exception; struct { __u8 injected; diff --git a/target/i386/cpu.h b/target/i386/cpu.h index cfe825f..f409958 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1105,6 +1105,7 @@ typedef struct CPUX86State { =20 /* exception/interrupt handling */ int error_code; + bool async_page_fault; int exception_is_int; target_ulong exception_next_eip; target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */ diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 49b6115..793d1e1 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -2493,6 +2493,7 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) events.exception.has_error_code =3D env->has_error_code; events.exception.error_code =3D env->error_code; events.exception.pad =3D 0; + events.exception.async_page_fault =3D env->async_page_fault; =20 events.interrupt.injected =3D (env->interrupt_injected >=3D 0); events.interrupt.nr =3D env->interrupt_injected; @@ -2531,7 +2532,8 @@ static int kvm_put_vcpu_events(X86CPU *cpu, int level) =20 if (level >=3D KVM_PUT_RESET_STATE) { events.flags |=3D - KVM_VCPUEVENT_VALID_NMI_PENDING | KVM_VCPUEVENT_VALID_SIPI_VEC= TOR; + KVM_VCPUEVENT_VALID_NMI_PENDING | KVM_VCPUEVENT_VALID_SIPI_VEC= TOR | + KVM_VCPUEVENT_VALID_ASYNC_PF; } =20 return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_VCPU_EVENTS, &events); @@ -2556,6 +2558,8 @@ static int kvm_get_vcpu_events(X86CPU *cpu) events.exception.injected ? events.exception.nr : -1; env->has_error_code =3D events.exception.has_error_code; env->error_code =3D events.exception.error_code; + if (events.flags & KVM_VCPUEVENT_VALID_ASYNC_PF) + env->async_page_fault =3D events.exception.async_page_fault; =20 env->interrupt_injected =3D events.interrupt.injected ? events.interrupt.nr : -1; --=20 2.7.4