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 A6FFCC4332F for ; Fri, 16 Dec 2022 00:55:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p5ynr-0005TI-9b; Thu, 15 Dec 2022 19:42:19 -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 1p5ynG-0005FZ-5d for qemu-devel@nongnu.org; Thu, 15 Dec 2022 19:41:44 -0500 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p5ynB-0006aS-Vr for qemu-devel@nongnu.org; Thu, 15 Dec 2022 19:41:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=kDehJ+ZaE96SaSHoFH+UEUYcFNxlGFzdUWksLyQZbQI=; b=HfZDtim3TbYYhGD2XjrJ5L4l77 D0vE8pYzkm33IT2zWlsmzvaOPV7SSEcdjIfzYV0eLj2l38MbtKrbBqu5Hwp5f3myAwVsrXtFKnmZi YePcnkc8OscivQKQn9zJpnJ8WecCy16ngzqw4WdRD6a0TdJjmwRjDnKOd+daj4C/38MKSNlO5AS8C Rush4XKQvpwAJ6C8hjP6hYbKaXqabHlwhczUkGJ7s/srVHD86NmMG/e3joUTEJ/D7Q5g7vT/ZKG/a X3/tinP7DetOoLzOA9sCsZ8ptAUlZ+HjjxU7njuXYTlxOFWlOYfNyYuQARFGS3CJt1bpsXfB2Og1C GlXAdnDQ==; Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1p5yn6-00EvV8-79; Fri, 16 Dec 2022 00:41:35 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p5ymw-003cOr-1v; Fri, 16 Dec 2022 00:41:22 +0000 From: David Woodhouse To: 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 Subject: [RFC PATCH v3 16/38] i386/xen: implement HYPERVISOR_hvm_op Date: Fri, 16 Dec 2022 00:40:55 +0000 Message-Id: <20221216004117.862106-17-dwmw2@infradead.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221216004117.862106-1-dwmw2@infradead.org> References: <20221216004117.862106-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+64e888c4aa1bfc596c85+7054+infradead.org+dwmw2@casper.srs.infradead.org; helo=casper.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 --- 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 c23026b872..da77297ef9 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -22,6 +22,7 @@ #include "hw/i386/kvm/xen_overlay.h" #include "standard-headers/xen/version.h" #include "standard-headers/xen/memory.h" +#include "standard-headers/xen/hvm/hvm_op.h" #include "xen-compat.h" @@ -303,6 +304,19 @@ 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; + } +} + static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) { uint16_t code = exit->u.hcall.input; @@ -313,6 +327,9 @@ static bool do_kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) } switch (code) { + 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]); -- 2.35.3