From nobody Tue May 13 11:38:41 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1675266539741991.5144038916917; Wed, 1 Feb 2023 07:48:59 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNEC5-0004Gw-Nb; Wed, 01 Feb 2023 09:34:37 -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 1pNE9n-0001Sc-0X for qemu-devel@nongnu.org; Wed, 01 Feb 2023 09:32:22 -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 1pNE9g-00037Z-SK for qemu-devel@nongnu.org; Wed, 01 Feb 2023 09:32:14 -0500 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 1pNE9P-00CMaz-Kg; Wed, 01 Feb 2023 14:31:55 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pNE9P-007JrC-1z; Wed, 01 Feb 2023 14:31:51 +0000 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=xLs//yjhfJ9B8FfOLFsi4hdgqFgtYlFp5tWusYgps4g=; b=R4rNkODdNjCGtNsDBnLR3SU593 g0ZbKrUuf2+bN845SSqluSxvNspujcDGPePQRmMvENJUQJCZ+FoBcSAt2Gci9Q6+0HdcSDIFyebrZ Q/cywQHrNfSiY0K364hlq2Co833YQCbCN2bzHkZ0cx+gXNf3V/evPKYNQLrD0Xxc+SrrhPXAg2cj6 hyVnjxBRfynhNDQCId/1mh3cld2YL9tvkBf9pBm9EOl50PwcNHoYTO74QDOmO6lyUbTfZfjoQiYE4 i+oNkQRWHfabnozn3tjzWEbY4Xu9Wjq6U1KEleTWbLvlT8W34PsFg2JB4iC05M1i0AdC/oVrF6gXp RNYMlmog==; 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 Subject: [PATCH v10 19/59] i386/xen: implement HYPERVISOR_hvm_op Date: Wed, 1 Feb 2023 14:31:08 +0000 Message-Id: <20230201143148.1744093-20-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230201143148.1744093-1-dwmw2@infradead.org> References: <20230201143148.1744093-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2001:8b0:10b:1236::1; envelope-from=BATV+8c5eeea0684575598b25+7101+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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1675266540756100001 Content-Type: text/plain; charset="utf-8" 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" =20 #include "xen-compat.h" =20 @@ -349,6 +350,19 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exi= t *exit, X86CPU *cpu, return true; } =20 +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 =3D -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]); --=20 2.39.0