From nobody Tue Feb 10 11:15:57 2026 Delivered-To: importer@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+importer=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 1670579950997951.7309379276594; Fri, 9 Dec 2022 01:59:10 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p3a8F-0002eu-7X; Fri, 09 Dec 2022 04:57:28 -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 1p3a7N-0002SU-15 for qemu-devel@nongnu.org; Fri, 09 Dec 2022 04:56:35 -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 1p3a7I-0006pP-So for qemu-devel@nongnu.org; Fri, 09 Dec 2022 04:56:32 -0500 Received: from i7.infradead.org ([2001:8b0:10b:1:21e:67ff:fecb:7a92]) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3a78-008l4M-Hx; Fri, 09 Dec 2022 09:56:20 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p3a78-002tZ4-3k; Fri, 09 Dec 2022 09:56:18 +0000 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=GAVY2oYMGh9a7gapK4qpBFJ0kJvbuYtCCVfUGDMCI/M=; b=dycRG1xN/ZskCJWqcAgs6sDcKs cLgk9Ca1Wez20z4lspseGj6P+PqcPNwi9yxyYChlvMSKs0rG8qcmVfrc4a90eErclbhU/rsLels5p u0+7Ybzm3JH7gxARjBKoU+FQEqQxAFnZSN9c+ejQvWktGh/Ty43hwcOHSzQmROTgFCToYor3JRBMz 6/OzyJ8BzbFdd3MOI1TCqR59pea6+JArLuQO6mCoG29dwgE+vAGc/nRR/IgUJvskqDHuTOnCh0Vqh tK1iw+Re3fE3/v2GMEv/oJA4nb+zV/Q8laoVzAud98n7oD28ZMuwABP0uCSZZkQrMhEJRDeFOp0lE HOdn9c+g==; 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 v2 14/22] i386/xen: implement HYPERVISOR_hvm_op Date: Fri, 9 Dec 2022 09:56:04 +0000 Message-Id: <20221209095612.689243-15-dwmw2@infradead.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221209095612.689243-1-dwmw2@infradead.org> References: <20221209095612.689243-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2001:8b0:10b:1:d65d:64ff:fe57:4e05; envelope-from=BATV+70dbbb0d34525a3cd306+7047+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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1670579953194100003 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 --- target/i386/xen.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/target/i386/xen.c b/target/i386/xen.c index ddd144039a..2847b4f864 100644 --- a/target/i386/xen.c +++ b/target/i386/xen.c @@ -18,6 +18,7 @@ #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" =20 static int kvm_gva_rw(CPUState *cs, uint64_t gva, void *_buf, size_t sz, bool is_write) @@ -180,6 +181,19 @@ static bool kvm_xen_hcall_memory_op(struct kvm_xen_exi= t *exit, return true; } =20 +static bool kvm_xen_hcall_hvm_op(struct kvm_xen_exit *exit, + int cmd, uint64_t arg) +{ + switch (cmd) { + case HVMOP_pagetable_dying: + exit->u.hcall.result =3D -ENOSYS; + return true; + + default: + return false; + } +} + static bool __kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit) { uint16_t code =3D exit->u.hcall.input; @@ -190,6 +204,9 @@ static bool __kvm_xen_handle_exit(X86CPU *cpu, struct k= vm_xen_exit *exit) } =20 switch (code) { + case __HYPERVISOR_hvm_op: + return kvm_xen_hcall_hvm_op(exit, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_memory_op: return kvm_xen_hcall_memory_op(exit, exit->u.hcall.params[0], exit->u.hcall.params[1], cpu); --=20 2.35.3