hw/xenpv/xen_machine_pv.c

   1 /*
   2  * QEMU Xen PV Machine
   3  *
   4  * Copyright (c) 2007 Red Hat
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "qemu/osdep.h"
  26 #include "qemu/error-report.h"
  27 #include "hw/boards.h"
  28 #include "hw/xen/xen-legacy-backend.h"
  29 #include "hw/xen/xen-bus.h"
  30 #include "sysemu/block-backend.h"
  31 #include "sysemu/sysemu.h"
  32
  33 static void xen_init_pv(MachineState *machine)
  34 {
  35     setup_xen_backend_ops();
  36
  37     /* Initialize backend core & drivers */
  38     xen_be_init();
  39
  40     switch (xen_mode) {
  41     case XEN_ATTACH:
  42         /* nothing to do, libxl handles everything */
  43         break;
  44     case XEN_EMULATE:
  45         error_report("xen emulation not implemented (yet)");
  46         exit(1);
  47         break;
  48     default:
  49         error_report("unhandled xen_mode %d", xen_mode);
  50         exit(1);
  51         break;
  52     }
  53
  54     xen_be_register("vfb", &xen_framebuffer_ops);
  55
  56     /* configure framebuffer */
  57     if (vga_interface_type == VGA_XENFB) {
  58         xen_config_dev_vfb(0, "vnc");
  59         xen_config_dev_vkbd(0);
  60         vga_interface_created = true;
  61     }
  62
  63     xen_bus_init();
  64
  65     /* config cleanup hook */
  66     atexit(xen_config_cleanup);
  67 }
  68
  69 static void xenpv_machine_init(MachineClass *mc)
  70 {
  71     mc->desc = "Xen Para-virtualized PC";
  72     mc->init = xen_init_pv;
  73     mc->max_cpus = 1;
  74     mc->default_machine_opts = "accel=xen";
  75 }
  76
  77 DEFINE_MACHINE("xenpv", xenpv_machine_init)