Message ID | 20230220204736.2639601-25-dwmw2@infradead.org |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> 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=<UNKNOWN>) 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=NbvZcC9/; 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 4PLF0q5ZlTz23yZ for <incoming@patchwork.ozlabs.org>; Tue, 21 Feb 2023 07:50:03 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1pUD5N-0008Pt-IC; Mon, 20 Feb 2023 15:48:33 -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 <BATV+82aa7fb0aadd3de72584+7120+infradead.org+dwmw2@desiato.srs.infradead.org>) id 1pUD5D-0007bC-1W for qemu-devel@nongnu.org; Mon, 20 Feb 2023 15:48:25 -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 <BATV+82aa7fb0aadd3de72584+7120+infradead.org+dwmw2@desiato.srs.infradead.org>) id 1pUD55-0003Zw-E9 for qemu-devel@nongnu.org; Mon, 20 Feb 2023 15:48:22 -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=lAUvqFRo64aNfjz3BDJmAUTZSnu6x1v+bZDL7P+YRZk=; b=NbvZcC9/ZTM/icigNb50R8VvEo Z0ReZ2fsxpXmCnH75RXorx3mMKbveQ8k41KiaRMJdYg5ubvQgJ1FSRE+VaKeC+WwOtTDB/ewDLxcy V0lVr4YYPZleNiYMeLHFIJJYQm5UXYZRZlnv6Ho5Q7bblYH/UXDgeuvBLuND9bVzyPMu4+1BnAnMw 4LED+lI2V0c5BZ+DB1GoqX3HxtSK+ZSQO09YVuzErWVa3CPysjQy5RCnlLcg2O9dPur4PZ3Zd2ypK 517LbKekEvV42cZFTZEy3EdCx8tzfAeDLM1AZPThTCJTuayicNPdknc6NSuGqoqQSBaym8mIaCgw3 XT6g5r4w==; 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 1pUD4V-00BvKa-0v; Mon, 20 Feb 2023 20:48:00 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pUD4V-00B4s4-0X; Mon, 20 Feb 2023 20:47:39 +0000 From: David Woodhouse <dwmw2@infradead.org> To: Peter Maydell <peter.maydell@linaro.org>, qemu-devel@nongnu.org Cc: Paolo Bonzini <pbonzini@redhat.com>, Paul Durrant <paul@xen.org>, Joao Martins <joao.m.martins@oracle.com>, Ankur Arora <ankur.a.arora@oracle.com>, =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= <philmd@linaro.org>, Thomas Huth <thuth@redhat.com>, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, Juan Quintela <quintela@redhat.com>, "Dr . David Alan Gilbert" <dgilbert@redhat.com>, Claudio Fontana <cfontana@suse.de>, Julien Grall <julien@xen.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, armbru@redhat.com, Stefano Stabellini <sstabellini@kernel.org>, vikram.garhwal@amd.com Subject: [PATCH v12 24/60] i386/xen: implement HYPERVISOR_event_channel_op Date: Mon, 20 Feb 2023 20:47:00 +0000 Message-Id: <20230220204736.2639601-25-dwmw2@infradead.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230220204736.2639601-1-dwmw2@infradead.org> References: <20230220204736.2639601-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from <dwmw2@infradead.org> 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+82aa7fb0aadd3de72584+7120+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: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
Xen HVM support under KVM
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expand
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diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c index f5c8b6d20c..0bca370ea4 100644 --- a/target/i386/kvm/xen-emu.c +++ b/target/i386/kvm/xen-emu.c @@ -28,6 +28,7 @@ #include "hw/xen/interface/memory.h" #include "hw/xen/interface/hvm/hvm_op.h" #include "hw/xen/interface/vcpu.h" +#include "hw/xen/interface/event_channel.h" #include "xen-compat.h" @@ -588,6 +589,27 @@ static bool kvm_xen_hcall_vcpu_op(struct kvm_xen_exit *exit, X86CPU *cpu, return true; } +static bool kvm_xen_hcall_evtchn_op(struct kvm_xen_exit *exit, + int cmd, uint64_t arg) +{ + int err = -ENOSYS; + + switch (cmd) { + case EVTCHNOP_init_control: + case EVTCHNOP_expand_array: + case EVTCHNOP_set_priority: + /* We do not support FIFO channels at this point */ + err = -ENOSYS; + break; + + default: + return false; + } + + exit->u.hcall.result = err; + return true; +} + int kvm_xen_soft_reset(void) { CPUState *cpu; @@ -694,6 +716,9 @@ 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_event_channel_op: + return kvm_xen_hcall_evtchn_op(exit, exit->u.hcall.params[0], + exit->u.hcall.params[1]); case __HYPERVISOR_vcpu_op: return kvm_xen_hcall_vcpu_op(exit, cpu, exit->u.hcall.params[0],