From patchwork Mon Mar 16 23:20:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Don Slutz X-Patchwork-Id: 450799 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id C840E140079 for ; Tue, 17 Mar 2015 10:21:50 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=verizon.com header.i=@verizon.com header.b=KaRpRn2W; dkim-adsp=none (unprotected policy); dkim-atps=neutral Received: from localhost ([::1]:52089 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXeKS-0001dI-V0 for incoming@patchwork.ozlabs.org; Mon, 16 Mar 2015 19:21:48 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56993) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXeJz-0000jF-R2 for qemu-devel@nongnu.org; Mon, 16 Mar 2015 19:21:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YXeJt-0000Qv-ST for qemu-devel@nongnu.org; Mon, 16 Mar 2015 19:21:19 -0400 Received: from omzsmtpe04.verizonbusiness.com ([199.249.25.207]:28524) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YXeJt-0000Qh-KG for qemu-devel@nongnu.org; Mon, 16 Mar 2015 19:21:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verizon.com; i=@verizon.com; q=dns/txt; s=corp; t=1426548073; x=1458084073; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=lqevyBAi3fjKkdtwgyDSd9aYyKWhmyiEI6yZ8TAX0L4=; b=KaRpRn2WJxTvjb22qMMDRLZDiTCV7VApdz7o1xPqaa6ECtJsyjjMz0nl uPEuq2rZYfH/Bv872dq1HJOZkEovPO+61VXRvJ2x+7NTtZMTX/A/idrIT GPK9yQMVjcdDpAZphtqSjsF0sM95GXpuJd2U6oJsiBMjQ0clfCWKW+MQA s=; X-IronPort-Anti-Spam-Filtered: false Received: from omzsmtpi01.vzbi.com ([165.122.46.171]) by omzsmtpe04.verizonbusiness.com with ESMTP; 16 Mar 2015 23:21:13 +0000 X-VzAPP: 1 X-IronPort-AV: E=Sophos;i="5.11,412,1422921600"; d="scan'208";a="353191535" Received: from pool-70-105-107-140.chi.dsl-w.verizon.net (HELO don-760.CloudSwitch.com) ([70.105.107.140]) by omzsmtpi01.vzbi.com with ESMTP; 16 Mar 2015 23:21:11 +0000 From: Don Slutz To: qemu-devel@nongnu.org Date: Mon, 16 Mar 2015 19:20:59 -0400 Message-Id: <1426548064-21182-3-git-send-email-dslutz@verizon.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1426548064-21182-1-git-send-email-dslutz@verizon.com> References: <1426548064-21182-1-git-send-email-dslutz@verizon.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 199.249.25.207 Cc: "Michael S. Tsirkin" , Markus Armbruster , Don Slutz , Luiz Capitulino , Anthony Liguori , Paolo Bonzini , =?UTF-8?q?Andreas=20F=C3=A4rber?= , Richard Henderson Subject: [Qemu-devel] [PATCH v2 2/7] vmport_rpc: Add the object vmport_rpc X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 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 This is the 1st part of "Add limited support of VMware's hyper-call rpc". This patch uses existing infrastructure used by vmmouse.c (provided by vmport.c) to handle the VMware backdoor command 30. One of the better on-line references is: https://sites.google.com/site/chitchatvmback/backdoor More in next patch. Signed-off-by: Don Slutz --- hw/i386/pc.c | 6 +++ hw/misc/Makefile.objs | 1 + hw/misc/vmport_rpc.c | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 133 insertions(+) create mode 100644 hw/misc/vmport_rpc.c diff --git a/hw/i386/pc.c b/hw/i386/pc.c index b5b2aad..204f4a9 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1463,8 +1463,14 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, i8042 = isa_create_simple(isa_bus, "i8042"); i8042_setup_a20_line(i8042, &a20_line[0]); if (!no_vmport) { + ISADevice *vmport_rpc; + vmport_init(isa_bus); vmmouse = isa_try_create(isa_bus, "vmmouse"); + vmport_rpc = isa_try_create(isa_bus, "vmport_rpc"); + if (vmport_rpc) { + qdev_init_nofail(DEVICE(vmport_rpc)); + } } else { vmmouse = NULL; } diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs index 4aa76ff..e04c8ac 100644 --- a/hw/misc/Makefile.objs +++ b/hw/misc/Makefile.objs @@ -7,6 +7,7 @@ common-obj-$(CONFIG_ISA_TESTDEV) += pc-testdev.o common-obj-$(CONFIG_PCI_TESTDEV) += pci-testdev.o obj-$(CONFIG_VMPORT) += vmport.o +obj-$(CONFIG_VMPORT) += vmport_rpc.o # ARM devices common-obj-$(CONFIG_PL310) += arm_l2x0.o diff --git a/hw/misc/vmport_rpc.c b/hw/misc/vmport_rpc.c new file mode 100644 index 0000000..b7cd355 --- /dev/null +++ b/hw/misc/vmport_rpc.c @@ -0,0 +1,126 @@ +/* + * QEMU VMPORT RPC emulation + * + * Copyright (C) 2015 Verizon Corporation + * + * This file is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License Version 2 (GPLv2) + * as published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. . + */ + +/* + * One of the better on-line references is: + * + * https://sites.google.com/site/chitchatvmback/backdoor + * + * Which points you to: + * + * http://open-vm-tools.sourceforge.net/ + * + * as a place to get more accurate information by studying. + */ + +#include "hw/hw.h" +#include "hw/i386/pc.h" +#include "hw/qdev.h" +#include "trace.h" +#include "qmp-commands.h" +#include "qapi/qmp/qerror.h" + +/* #define VMPORT_RPC_DEBUG */ + +#define TYPE_VMPORT_RPC "vmport_rpc" +#define VMPORT_RPC(obj) OBJECT_CHECK(VMPortRpcState, (obj), TYPE_VMPORT_RPC) + +/* VMPORT RPC Command */ +#define VMPORT_RPC_COMMAND 30 + +/* The vmport_rpc object. */ +typedef struct VMPortRpcState { + ISADevice parent_obj; + + /* Properties */ + uint64_t reset_time; + uint64_t build_number_value; + uint64_t build_number_time; + + /* Private data */ +} VMPortRpcState; + +typedef struct { + uint32_t eax; + uint32_t ebx; + uint32_t ecx; + uint32_t edx; + uint32_t esi; + uint32_t edi; +} vregs; + +static uint32_t vmport_rpc_ioport_read(void *opaque, uint32_t addr) +{ + VMPortRpcState *s = opaque; + union { + uint32_t data[6]; + vregs regs; + } ur; + + vmmouse_get_data(ur.data); + + s->build_number_time++; + + vmmouse_set_data(ur.data); + return ur.data[0]; +} + +static void vmport_rpc_reset(DeviceState *d) +{ + VMPortRpcState *s = VMPORT_RPC(d); + + s->reset_time = 14; + s->build_number_value = 0; + s->build_number_time = 0; +} + +static void vmport_rpc_realize(DeviceState *dev, Error **errp) +{ + VMPortRpcState *s = VMPORT_RPC(dev); + + vmport_register(VMPORT_RPC_COMMAND, vmport_rpc_ioport_read, s); +} + +static Property vmport_rpc_properties[] = { + DEFINE_PROP_UINT64("reset-time", VMPortRpcState, reset_time, 14), + DEFINE_PROP_UINT64("build-number-value", VMPortRpcState, + build_number_value, 0), + DEFINE_PROP_UINT64("build-number-time", VMPortRpcState, + build_number_time, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vmport_rpc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = vmport_rpc_realize; + dc->reset = vmport_rpc_reset; + dc->props = vmport_rpc_properties; +} + +static const TypeInfo vmport_rpc_info = { + .name = TYPE_VMPORT_RPC, + .parent = TYPE_ISA_DEVICE, + .instance_size = sizeof(VMPortRpcState), + .class_init = vmport_rpc_class_init, +}; + +static void vmport_rpc_register_types(void) +{ + type_register_static(&vmport_rpc_info); +} + +type_init(vmport_rpc_register_types)