From patchwork Fri Dec 30 12:12:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 1720413 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=desiato.20200630 header.b=JOm6jGEi; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Nk4gj1Zdgz23dV for ; Fri, 30 Dec 2022 23:43:45 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pBEFu-0007nT-KB; Fri, 30 Dec 2022 07:12:58 -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 1pBEFp-0007gJ-0I for qemu-devel@nongnu.org; Fri, 30 Dec 2022 07:12:53 -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 1pBEFl-00050w-Br for qemu-devel@nongnu.org; Fri, 30 Dec 2022 07:12:52 -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=NNHfXf2H3UjtjHCHVvjulwXvzwbaavu88Ux6TUwB/hY=; b=JOm6jGEiHAeW3NeOBwuvH0tbyJ bBf86XUynpFUaE4Vln1Xm8OLYZhmSUPXHSLgHg17EBjRGLRxDGE3tP4ft+YgeeYy2Mqn7m5l4plhv PtCEcQIg+AD3lS0P9L8XAB5zAY3qMsX6afMQnsQxWr36jiK3Ob7gfq55pqJybac8uqe+IQPb1NsWG 04G9ES9YC7xBq6vWKAsdEptMutqugEK1aymLm/lniF4o7v+f9FrPueSA6D0ntVP2HryVY799NemCM yJL840OQsX1fZEdShZ6E38nt/nddv84M7Dk1fvNeKnHY9Je8ZodlG53uHmTtvbTBSYt56Cw6t8w3R nLrNgdmg==; 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 1pBEFW-00GpjW-03; Fri, 30 Dec 2022 12:12:40 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1pBEFZ-005Nwa-KQ; Fri, 30 Dec 2022 12:12:37 +0000 From: David Woodhouse To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Paul Durrant , Joao Martins , Ankur Arora , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Thomas Huth , =?utf-8?q?Alex_Benn=C3=A9e?= , Juan Quintela , "Dr . David Alan Gilbert" , Claudio Fontana , Julien Grall Subject: [RFC PATCH v5 19/52] i386/xen: implement HYPERVISOR_hvm_op Date: Fri, 30 Dec 2022 12:12:02 +0000 Message-Id: <20221230121235.1282915-20-dwmw2@infradead.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221230121235.1282915-1-dwmw2@infradead.org> References: <20221230121235.1282915-1-dwmw2@infradead.org> MIME-Version: 1.0 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+3cbd6dee458626289faf+7068+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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.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 5a969be4cc..6b4d40397c 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -27,6 +27,7 @@ #include "standard-headers/xen/version.h" #include "standard-headers/xen/sched.h" #include "standard-headers/xen/memory.h" +#include "standard-headers/xen/hvm/hvm_op.h" #include "xen-compat.h" @@ -348,6 +349,19 @@ 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 int kvm_xen_soft_reset(void) { int err; @@ -442,6 +456,9 @@ 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]);