xref: /qemu/hw/xenpv/xen_machine_pv.c (revision 7653b1ea)
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)
78