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533 lines
14 KiB
C
533 lines
14 KiB
C
/*
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* config.h: VM configuration management
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*
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* Copyright (C) 2006, 2007 Red Hat, Inc.
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* Copyright (C) 2006 Daniel P. Berrange
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef __QEMUD_CONF_H
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#define __QEMUD_CONF_H
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#include <config.h>
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#ifdef WITH_QEMU
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#include "internal.h"
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#include "bridge.h"
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#include "iptables.h"
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#include "capabilities.h"
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#include <netinet/in.h>
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#include <sched.h>
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#define qemudDebug(fmt, ...) do {} while(0)
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/* Different types of QEMU acceleration possible */
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enum qemud_vm_virt_type {
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QEMUD_VIRT_QEMU,
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QEMUD_VIRT_KQEMU,
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QEMUD_VIRT_KVM,
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};
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/* Two types of disk backends */
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enum qemud_vm_disk_type {
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QEMUD_DISK_BLOCK,
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QEMUD_DISK_FILE
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};
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/* Three types of disk frontend */
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enum qemud_vm_disk_device {
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QEMUD_DISK_DISK,
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QEMUD_DISK_CDROM,
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QEMUD_DISK_FLOPPY,
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};
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enum qemud_vm_disk_bus {
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QEMUD_DISK_BUS_IDE,
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QEMUD_DISK_BUS_FDC,
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QEMUD_DISK_BUS_SCSI,
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QEMUD_DISK_BUS_VIRTIO,
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QEMUD_DISK_BUS_XEN,
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QEMUD_DISK_BUS_LAST
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};
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/* Stores the virtual disk configuration */
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struct qemud_vm_disk_def {
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int type;
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int device;
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int bus;
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char src[PATH_MAX];
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char dst[NAME_MAX];
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int readonly;
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struct qemud_vm_disk_def *next;
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};
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#define QEMUD_MAC_ADDRESS_LEN 6
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#define QEMUD_MODEL_MAX_LEN 10
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#define QEMUD_OS_TYPE_MAX_LEN 10
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#define QEMUD_OS_ARCH_MAX_LEN 10
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#define QEMUD_OS_MACHINE_MAX_LEN 10
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/* 5 different types of networking config */
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enum qemud_vm_net_type {
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QEMUD_NET_USER,
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QEMUD_NET_ETHERNET,
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QEMUD_NET_SERVER,
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QEMUD_NET_CLIENT,
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QEMUD_NET_MCAST,
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QEMUD_NET_NETWORK,
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QEMUD_NET_BRIDGE,
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};
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/* 2 possible types of forwarding */
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enum qemud_vm_net_forward_type {
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QEMUD_NET_FORWARD_NAT,
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QEMUD_NET_FORWARD_ROUTE,
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};
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#define QEMUD_MAX_NAME_LEN 50
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#define QEMUD_MAX_XML_LEN 4096
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#define QEMUD_MAX_ERROR_LEN 1024
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#define QEMUD_CPUMASK_LEN CPU_SETSIZE
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/* Stores the virtual network interface configuration */
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struct qemud_vm_net_def {
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int type;
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unsigned char mac[QEMUD_MAC_ADDRESS_LEN];
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char model[QEMUD_MODEL_MAX_LEN];
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union {
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struct {
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char ifname[BR_IFNAME_MAXLEN];
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char script[PATH_MAX];
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} ethernet;
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struct {
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char address[BR_INET_ADDR_MAXLEN];
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int port;
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} socket; /* any of NET_CLIENT or NET_SERVER or NET_MCAST */
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struct {
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char name[QEMUD_MAX_NAME_LEN];
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char ifname[BR_IFNAME_MAXLEN];
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} network;
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struct {
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char brname[BR_IFNAME_MAXLEN];
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char ifname[BR_IFNAME_MAXLEN];
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} bridge;
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} dst;
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struct qemud_vm_net_def *next;
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};
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enum qemu_vm_chr_dst_type {
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QEMUD_CHR_SRC_TYPE_NULL,
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QEMUD_CHR_SRC_TYPE_VC,
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QEMUD_CHR_SRC_TYPE_PTY,
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QEMUD_CHR_SRC_TYPE_DEV,
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QEMUD_CHR_SRC_TYPE_FILE,
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QEMUD_CHR_SRC_TYPE_PIPE,
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QEMUD_CHR_SRC_TYPE_STDIO,
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QEMUD_CHR_SRC_TYPE_UDP,
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QEMUD_CHR_SRC_TYPE_TCP,
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QEMUD_CHR_SRC_TYPE_UNIX,
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QEMUD_CHR_SRC_TYPE_LAST,
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};
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enum {
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QEMUD_CHR_SRC_TCP_PROTOCOL_RAW,
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QEMUD_CHR_SRC_TCP_PROTOCOL_TELNET,
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};
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struct qemud_vm_chr_def {
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int dstPort;
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int srcType;
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union {
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struct {
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char path[PATH_MAX];
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} file; /* pty, file, pipe, or device */
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struct {
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char host[BR_INET_ADDR_MAXLEN];
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char service[BR_INET_ADDR_MAXLEN];
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int listen;
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int protocol;
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} tcp;
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struct {
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char bindHost[BR_INET_ADDR_MAXLEN];
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char bindService[BR_INET_ADDR_MAXLEN];
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char connectHost[BR_INET_ADDR_MAXLEN];
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char connectService[BR_INET_ADDR_MAXLEN];
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} udp;
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struct {
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char path[PATH_MAX];
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int listen;
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} nix;
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} srcData;
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struct qemud_vm_chr_def *next;
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};
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enum qemu_vm_input_type {
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QEMU_INPUT_TYPE_MOUSE,
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QEMU_INPUT_TYPE_TABLET,
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};
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enum qemu_vm_input_bus {
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QEMU_INPUT_BUS_PS2,
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QEMU_INPUT_BUS_USB,
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QEMU_INPUT_BUS_XEN,
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};
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struct qemud_vm_input_def {
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int type;
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int bus;
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struct qemud_vm_input_def *next;
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};
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enum qemu_vm_sound_model {
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QEMU_SOUND_NONE = 0,
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QEMU_SOUND_SB16,
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QEMU_SOUND_ES1370,
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QEMU_SOUND_PCSPK,
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};
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struct qemud_vm_sound_def {
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int model;
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struct qemud_vm_sound_def *next;
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};
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/* Flags for the 'type' field in next struct */
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enum qemud_vm_device_type {
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QEMUD_DEVICE_DISK,
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QEMUD_DEVICE_NET,
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QEMUD_DEVICE_INPUT,
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QEMUD_DEVICE_SOUND,
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};
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struct qemud_vm_device_def {
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int type;
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union {
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struct qemud_vm_disk_def disk;
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struct qemud_vm_net_def net;
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struct qemud_vm_input_def input;
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struct qemud_vm_sound_def sound;
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} data;
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};
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#define QEMUD_MAX_BOOT_DEVS 4
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/* 3 possible boot devices */
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enum qemud_vm_boot_order {
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QEMUD_BOOT_FLOPPY,
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QEMUD_BOOT_CDROM,
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QEMUD_BOOT_DISK,
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QEMUD_BOOT_NET,
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};
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/* 3 possible graphics console modes */
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enum qemud_vm_graphics_type {
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QEMUD_GRAPHICS_NONE,
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QEMUD_GRAPHICS_SDL,
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QEMUD_GRAPHICS_VNC,
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};
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/* Internal flags to keep track of qemu command line capabilities */
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enum qemud_cmd_flags {
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QEMUD_CMD_FLAG_KQEMU = (1 << 0),
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QEMUD_CMD_FLAG_VNC_COLON = (1 << 1),
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QEMUD_CMD_FLAG_NO_REBOOT = (1 << 2),
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QEMUD_CMD_FLAG_DRIVE = (1 << 3),
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QEMUD_CMD_FLAG_DRIVE_BOOT = (1 << 4),
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QEMUD_CMD_FLAG_NAME = (1 << 5),
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};
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enum qemud_vm_features {
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QEMUD_FEATURE_ACPI = 1,
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};
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/* Operating system configuration data & machine / arch */
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struct qemud_vm_os_def {
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char type[QEMUD_OS_TYPE_MAX_LEN];
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char arch[QEMUD_OS_ARCH_MAX_LEN];
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char machine[QEMUD_OS_MACHINE_MAX_LEN];
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int nBootDevs;
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int bootDevs[QEMUD_MAX_BOOT_DEVS];
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char kernel[PATH_MAX];
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char initrd[PATH_MAX];
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char cmdline[PATH_MAX];
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char binary[PATH_MAX];
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char bootloader[PATH_MAX];
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};
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/* Guest VM main configuration */
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struct qemud_vm_def {
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int virtType;
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unsigned char uuid[VIR_UUID_BUFLEN];
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char name[QEMUD_MAX_NAME_LEN];
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unsigned long memory;
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unsigned long maxmem;
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int vcpus;
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char cpumask[QEMUD_CPUMASK_LEN];
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int noReboot;
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struct qemud_vm_os_def os;
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int localtime;
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int features;
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int graphicsType;
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int vncPort;
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int vncActivePort;
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char vncListen[BR_INET_ADDR_MAXLEN];
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char *keymap;
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unsigned int ndisks;
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struct qemud_vm_disk_def *disks;
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unsigned int nnets;
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struct qemud_vm_net_def *nets;
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unsigned int ninputs;
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struct qemud_vm_input_def *inputs;
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unsigned int nsounds;
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struct qemud_vm_sound_def *sounds;
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unsigned int nserials;
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struct qemud_vm_chr_def *serials;
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unsigned int nparallels;
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struct qemud_vm_chr_def *parallels;
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};
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/* Guest VM runtime state */
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struct qemud_vm {
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int stdin;
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int stdout;
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int stderr;
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int monitor;
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int logfile;
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int pid;
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int id;
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int state;
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int *tapfds;
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int ntapfds;
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int nvcpupids;
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int *vcpupids;
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int qemuVersion;
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int qemuCmdFlags; /* values from enum qemud_cmd_flags */
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char configFile[PATH_MAX];
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char autostartLink[PATH_MAX];
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char migrateFrom[PATH_MAX];
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struct qemud_vm_def *def; /* The current definition */
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struct qemud_vm_def *newDef; /* New definition to activate at shutdown */
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unsigned int autostart : 1;
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struct qemud_vm *next;
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};
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/* Store start and end addresses of a dhcp range */
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struct qemud_dhcp_range_def {
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char start[BR_INET_ADDR_MAXLEN];
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char end[BR_INET_ADDR_MAXLEN];
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struct qemud_dhcp_range_def *next;
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};
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/* Virtual Network main configuration */
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struct qemud_network_def {
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unsigned char uuid[VIR_UUID_BUFLEN];
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char name[QEMUD_MAX_NAME_LEN];
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char bridge[BR_IFNAME_MAXLEN];
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int disableSTP;
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int forwardDelay;
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int forward;
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int forwardMode; /* From qemud_vm_net_forward_type */
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char forwardDev[BR_IFNAME_MAXLEN];
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char ipAddress[BR_INET_ADDR_MAXLEN];
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char netmask[BR_INET_ADDR_MAXLEN];
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char network[BR_INET_ADDR_MAXLEN+BR_INET_ADDR_MAXLEN+1];
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int nranges;
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struct qemud_dhcp_range_def *ranges;
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};
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/* Virtual Network runtime state */
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struct qemud_network {
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char configFile[PATH_MAX];
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char autostartLink[PATH_MAX];
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struct qemud_network_def *def; /* The current definition */
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struct qemud_network_def *newDef; /* New definition to activate at shutdown */
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char bridge[BR_IFNAME_MAXLEN];
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int dnsmasqPid;
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unsigned int active : 1;
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unsigned int autostart : 1;
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struct qemud_network *next;
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};
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/* Main driver state */
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struct qemud_driver {
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int qemuVersion;
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int nactivevms;
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int ninactivevms;
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struct qemud_vm *vms;
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int nextvmid;
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int nactivenetworks;
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int ninactivenetworks;
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struct qemud_network *networks;
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brControl *brctl;
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iptablesContext *iptables;
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char *configDir;
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char *autostartDir;
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char *networkConfigDir;
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char *networkAutostartDir;
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char logDir[PATH_MAX];
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unsigned int vncTLS : 1;
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unsigned int vncTLSx509verify : 1;
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char *vncTLSx509certdir;
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char vncListen[BR_INET_ADDR_MAXLEN];
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virCapsPtr caps;
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};
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static inline int
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qemudIsActiveVM(const struct qemud_vm *vm)
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{
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return vm->id != -1;
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}
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static inline int
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qemudIsActiveNetwork(const struct qemud_network *network)
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{
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return network->active;
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}
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void qemudReportError(virConnectPtr conn,
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virDomainPtr dom,
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virNetworkPtr net,
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int code, const char *fmt, ...)
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ATTRIBUTE_FORMAT(printf,5,6);
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int qemudLoadDriverConfig(struct qemud_driver *driver,
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const char *filename);
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struct qemud_vm *qemudFindVMByID(const struct qemud_driver *driver,
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int id);
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struct qemud_vm *qemudFindVMByUUID(const struct qemud_driver *driver,
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const unsigned char *uuid);
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struct qemud_vm *qemudFindVMByName(const struct qemud_driver *driver,
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const char *name);
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struct qemud_network *qemudFindNetworkByUUID(const struct qemud_driver *driver,
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const unsigned char *uuid);
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struct qemud_network *qemudFindNetworkByName(const struct qemud_driver *driver,
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const char *name);
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virCapsPtr qemudCapsInit (void);
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int qemudExtractVersion (virConnectPtr conn,
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struct qemud_driver *driver);
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int qemudBuildCommandLine (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_vm *vm,
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char ***argv);
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int qemudScanConfigs (struct qemud_driver *driver);
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int qemudDeleteConfig (virConnectPtr conn,
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struct qemud_driver *driver,
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const char *configFile,
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const char *name);
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void qemudFreeVMDef (struct qemud_vm_def *vm);
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void qemudFreeVM (struct qemud_vm *vm);
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struct qemud_vm *
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qemudAssignVMDef (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_vm_def *def);
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void qemudRemoveInactiveVM (struct qemud_driver *driver,
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struct qemud_vm *vm);
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struct qemud_vm_device_def *
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qemudParseVMDeviceDef (virConnectPtr conn,
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const struct qemud_vm_def *def,
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const char *xmlStr);
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struct qemud_vm_def *
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qemudParseVMDef (virConnectPtr conn,
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struct qemud_driver *driver,
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const char *xmlStr,
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const char *displayName);
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int qemudSaveVMDef (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_vm *vm,
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struct qemud_vm_def *def);
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char * qemudGenerateXML (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_vm *vm,
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struct qemud_vm_def *def,
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int live);
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void qemudFreeNetworkDef (struct qemud_network_def *def);
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void qemudFreeNetwork (struct qemud_network *network);
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struct qemud_network *
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qemudAssignNetworkDef (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_network_def *def);
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void qemudRemoveInactiveNetwork (struct qemud_driver *driver,
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struct qemud_network *network);
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struct qemud_network_def *
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qemudParseNetworkDef (virConnectPtr conn,
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struct qemud_driver *driver,
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const char *xmlStr,
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const char *displayName);
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int qemudSaveNetworkDef (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_network *network,
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struct qemud_network_def *def);
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char * qemudGenerateNetworkXML (virConnectPtr conn,
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struct qemud_driver *driver,
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struct qemud_network *network,
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struct qemud_network_def *def);
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const char *qemudVirtTypeToString (int type);
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#endif /* WITH_QEMU */
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#endif /* __QEMUD_CONF_H */
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