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 5C29CC64ED6 for ; Wed, 1 Mar 2023 14:02:55 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pXMvP-0004bm-GP; Wed, 01 Mar 2023 08:55:22 -0500 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 1pXMss-0008PD-0k for qemu-devel@nongnu.org; Wed, 01 Mar 2023 08:52:44 -0500 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pXMsn-0002nN-OK for qemu-devel@nongnu.org; Wed, 01 Mar 2023 08:52:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=xLs//yjhfJ9B8FfOLFsi4hdgqFgtYlFp5tWusYgps4g=; b=oKeSLFlquNwqhRYURE8kko2UGF 4Mzbw1tggMlRgV56XeL75oGSwUS70ts7m/NI2EDIX0nqIDn5rlGxhA7sYTRCaPu4jyfG44oBjEWMz 4o7fRj8KZk6tfshRWnVpdeHkSCdK7hsW8iuLJG8maOQikCTRL+8tX6jCVE1xrgOCope0bzjBen6TY Hk7Iw+RJOnlBj5MJ5dSidkcVV+ULMK8WnL8z8fMPnZbLECAWE6HMkuphQm8ZtMB2UxBKhallnYk4l Gp5NlREs4MyBganIdnKs4+Q8kI2v3QFsX0DLY+RAYrf2vtuLU74zfbBMzzPnKHul8HAjfN1XhgQYB Iqp1fQug==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1pXMsc-00EuVe-1h; Wed, 01 Mar 2023 13:52:27 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pXMsc-0049Uq-1K; Wed, 01 Mar 2023 13:52:26 +0000 From: David Woodhouse To: Peter Maydell , qemu-devel@nongnu.org Cc: Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Juan Quintela , "Dr . David Alan Gilbert" , Claudio Fontana , Julien Grall , "Michael S. Tsirkin" , Marcel Apfelbaum , armbru@redhat.com, Stefano Stabellini , vikram.garhwal@amd.com Subject: [PATCH v15 19/60] i386/xen: implement HYPERVISOR_hvm_op Date: Wed, 1 Mar 2023 13:51:42 +0000 Message-Id: <20230301135223.988336-20-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230301135223.988336-1-dwmw2@infradead.org> References: <20230301135223.988336-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+1cb70579e185fe7dd8a8+7129+infradead.org+dwmw2@desiato.srs.infradead.org; helo=desiato.infradead.org X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_MED=-2.3, 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: Joao Martins This is when guest queries for support for HVMOP_pagetable_dying. Signed-off-by: Joao Martins Signed-off-by: David Woodhouse Reviewed-by: Paul Durrant --- target/i386/kvm/xen-emu.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index 2b235e7b27..4002b1b797 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -26,6 +26,7 @@ #include "hw/xen/interface/version.h" #include "hw/xen/interface/sched.h" #include "hw/xen/interface/memory.h" +#include "hw/xen/interface/hvm/hvm_op.h" #include "xen-compat.h" @@ -349,6 +350,19 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exit *exit, X86CPU *cpu, return true; } +static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, X86CPU *cpu, + int cmd, uint64_t arg) +{ + switch (cmd) { + case HVMOP_pagetable_dying: + exit->u.hcall.result = -ENOSYS; + return true; + + default: + return false; + } +} + int kvm_xen_soft_reset(void) { int err; @@ -450,6 +464,9 @@ static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) case __HYPERVISOR_sched_op: return kvm_xen_hcall_sched_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); + case __HYPERVISOR_hvm_op: + return kvm_xen_hcall_hvm_op(exit, cpu, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_memory_op: return kvm_xen_hcall_memory_op(exit, cpu, exit->u.hcall.params[0], exit->u.hcall.params[1]); -- 2.39.0