xref: /qemu/hw/xenpv/xen_machine_pv.c (revision 5db05230)
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     int i;
36 
37     setup_xen_backend_ops();
38 
39     /* Initialize backend core & drivers */
40     xen_be_init();
41 
42     switch (xen_mode) {
43     case XEN_ATTACH:
44         /* nothing to do, libxl handles everything */
45         break;
46     case XEN_EMULATE:
47         error_report("xen emulation not implemented (yet)");
48         exit(1);
49         break;
50     default:
51         error_report("unhandled xen_mode %d", xen_mode);
52         exit(1);
53         break;
54     }
55 
56     xen_be_register("vfb", &xen_framebuffer_ops);
57 
58     /* configure framebuffer */
59     if (vga_interface_type == VGA_XENFB) {
60         xen_config_dev_vfb(0, "vnc");
61         xen_config_dev_vkbd(0);
62         vga_interface_created = true;
63     }
64 
65     /* configure nics */
66     for (i = 0; i < nb_nics; i++) {
67         if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
68             continue;
69         xen_config_dev_nic(nd_table + i);
70     }
71 
72     xen_bus_init();
73 
74     /* config cleanup hook */
75     atexit(xen_config_cleanup);
76 }
77 
78 static void xenpv_machine_init(MachineClass *mc)
79 {
80     mc->desc = "Xen Para-virtualized PC";
81     mc->init = xen_init_pv;
82     mc->max_cpus = 1;
83     mc->default_machine_opts = "accel=xen";
84 }
85 
86 DEFINE_MACHINE("xenpv", xenpv_machine_init)
87