From patchwork Tue Sep 28 15:01:26 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anthony PERARD X-Patchwork-Id: 65987 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 77B42B70D0 for ; Wed, 29 Sep 2010 01:48:48 +1000 (EST) Received: from localhost ([127.0.0.1]:35189 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P0btL-0005Y5-SG for incoming@patchwork.ozlabs.org; Tue, 28 Sep 2010 11:14:51 -0400 Received: from [140.186.70.92] (port=37444 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1P0bhv-0000Ns-Ck for qemu-devel@nongnu.org; Tue, 28 Sep 2010 11:03:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1P0bhi-0005yD-KH for qemu-devel@nongnu.org; Tue, 28 Sep 2010 11:02:53 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:39101) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1P0bhi-0005xm-FU for qemu-devel@nongnu.org; Tue, 28 Sep 2010 11:02:50 -0400 X-IronPort-AV: E=Sophos;i="4.57,247,1283745600"; d="scan'208";a="115758180" Received: from ftlpexchmx01.citrite.net ([10.9.154.126]) by FTLPIPO02.CITRIX.COM with ESMTP; 28 Sep 2010 11:02:42 -0400 Received: from smtp01.ad.xensource.com ([10.219.128.104]) by FTLPEXCHMX01.citrite.net with Microsoft SMTPSVC(6.0.3790.4675); Tue, 28 Sep 2010 11:02:27 -0400 Received: from localhost.localdomain (perard.cam.xci-test.com [10.80.248.106]) by smtp01.ad.xensource.com (8.13.1/8.13.1) with ESMTP id o8SF25t3002526; Tue, 28 Sep 2010 08:02:40 -0700 From: anthony.perard@citrix.com To: qemu-devel@nongnu.org Date: Tue, 28 Sep 2010 16:01:26 +0100 Message-Id: <1285686097-13036-4-git-send-email-anthony.perard@citrix.com> X-Mailer: git-send-email 1.6.5 In-Reply-To: <1285686097-13036-1-git-send-email-anthony.perard@citrix.com> References: <1285686097-13036-1-git-send-email-anthony.perard@citrix.com> X-OriginalArrivalTime: 28 Sep 2010 15:02:27.0179 (UTC) FILETIME=[2A3253B0:01CB5F1E] X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. Cc: Anthony PERARD , Stefano Stabellini , xen-devel@lists.xensource.com, Stefano.Stabellini@eu.citrix.com Subject: [Qemu-devel] [PATCH RFC V4 03/14] xen: Add xen_machine_fv X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Anthony PERARD Add the Xen FV (Fully Virtualized) machine to Qemu; this is groundwork to add Xen device model support in Qemu. Signed-off-by: Anthony PERARD Signed-off-by: Stefano Stabellini --- Makefile.target | 3 + hw/xen_common.h | 5 ++ hw/xen_machine_fv.c | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 166 insertions(+), 0 deletions(-) create mode 100644 hw/xen_machine_fv.c diff --git a/Makefile.target b/Makefile.target index a4e80b1..7adbc20 100644 --- a/Makefile.target +++ b/Makefile.target @@ -183,6 +183,9 @@ QEMU_CFLAGS += $(VNC_PNG_CFLAGS) # xen backend driver support obj-$(CONFIG_XEN) += xen_machine_pv.o xen_domainbuild.o +# xen full virtualized machine +obj-i386-$(CONFIG_XEN) += xen_machine_fv.o + # USB layer obj-$(CONFIG_USB_OHCI) += usb-ohci.o diff --git a/hw/xen_common.h b/hw/xen_common.h index 9f75e52..4c0f97d 100644 --- a/hw/xen_common.h +++ b/hw/xen_common.h @@ -18,6 +18,11 @@ * We don't support Xen prior to 3.3.0. */ +/* Before Xen 4.0.0 */ +#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400 +# define HVM_MAX_VCPUS 32 +#endif + /* Xen unstable */ #if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410 typedef int qemu_xc_interface; diff --git a/hw/xen_machine_fv.c b/hw/xen_machine_fv.c new file mode 100644 index 0000000..260cda3 --- /dev/null +++ b/hw/xen_machine_fv.c @@ -0,0 +1,158 @@ +/* + * QEMU Xen FV Machine + * + * Copyright (c) 2003-2007 Fabrice Bellard + * Copyright (c) 2007 Red Hat + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "hw.h" +#include "pc.h" +#include "pci.h" +#include "usb-uhci.h" +#include "net.h" +#include "boards.h" +#include "ide.h" +#include "sysemu.h" +#include "blockdev.h" + +#include "xen_common.h" +#include "xen/hvm/hvm_info_table.h" + +#define MAX_IDE_BUS 2 + +static void xen_init_fv(ram_addr_t ram_size, + const char *boot_device, + const char *kernel_filename, + const char *kernel_cmdline, + const char *initrd_filename, + const char *cpu_model) +{ + int i; + ram_addr_t below_4g_mem_size, above_4g_mem_size = 0; + PCIBus *pci_bus; + PCII440FXState *i440fx_state; + int piix3_devfn = -1; + qemu_irq *cpu_irq; + qemu_irq *isa_irq; + qemu_irq *i8259; + qemu_irq *cmos_s3; + qemu_irq *smi_irq; + IsaIrqState *isa_irq_state; + DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; + FDCtrl *floppy_controller; + BusState *idebus[MAX_IDE_BUS]; + ISADevice *rtc_state; + + CPUState *env; + + /* Initialize a dummy CPU */ + if (cpu_model == NULL) { +#ifdef TARGET_X86_64 + cpu_model = "qemu64"; +#else + cpu_model = "qemu32"; +#endif + } + env = cpu_init(cpu_model); + env->halted = 1; + + cpu_irq = pc_allocate_cpu_irq(); + i8259 = i8259_init(cpu_irq[0]); + isa_irq_state = qemu_mallocz(sizeof (*isa_irq_state)); + isa_irq_state->i8259 = i8259; + + isa_irq = qemu_allocate_irqs(isa_irq_handler, isa_irq_state, 24); + + pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, isa_irq, ram_size); + isa_bus_irqs(isa_irq); + + pc_register_ferr_irq(isa_reserve_irq(13)); + + pc_vga_init(pci_bus); + + /* init basic PC hardware */ + pc_basic_device_init(isa_irq, &floppy_controller, &rtc_state); + + for (i = 0; i < nb_nics; i++) { + NICInfo *nd = &nd_table[i]; + + if (nd->model && strcmp(nd->model, "ne2k_isa") == 0) + pc_init_ne2k_isa(nd); + else + pci_nic_init_nofail(nd, "e1000", NULL); + } + + if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) { + fprintf(stderr, "qemu: too many IDE bus\n"); + exit(1); + } + + for (i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) { + hd[i] = drive_get(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS); + } + + PCIDevice *dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); + idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); + idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); + + pc_audio_init(pci_bus, isa_irq); + + if (ram_size >= 0xe0000000 ) { + above_4g_mem_size = ram_size - 0xe0000000; + below_4g_mem_size = 0xe0000000; + } else { + below_4g_mem_size = ram_size; + } + pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device, + idebus[0], idebus[1], floppy_controller, rtc_state); + + if (usb_enabled) { + usb_uhci_piix3_init(pci_bus, piix3_devfn + 2); + } + + if (acpi_enabled) { + cmos_s3 = qemu_allocate_irqs(pc_cmos_set_s3_resume, rtc_state, 1); + smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1); + piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, + isa_reserve_irq(9), *cmos_s3, *smi_irq, + 0); + } + + if (i440fx_state) { + i440fx_init_memory_mappings(i440fx_state); + } + + pc_pci_device_init(pci_bus); +} + +static QEMUMachine xenfv_machine = { + .name = "xenfv", + .desc = "Xen Fully-virtualized PC", + .init = xen_init_fv, + .max_cpus = HVM_MAX_VCPUS, +}; + +static void xenfv_machine_init(void) +{ + qemu_register_machine(&xenfv_machine); +} + +machine_init(xenfv_machine_init);