pvrdma: release device resources in case of an error
[qemu/ar7.git] / hw / xenpv / xen_machine_pv.c
blob44d67b87c4be11b6974b3b532bb0db2970f660d3
1 /*
2 * QEMU Xen PV Machine
4 * Copyright (c) 2007 Red Hat
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
25 #include "qemu/osdep.h"
26 #include "qemu/error-report.h"
27 #include "hw/hw.h"
28 #include "hw/boards.h"
29 #include "hw/xen/xen_backend.h"
30 #include "xen_domainbuild.h"
31 #include "sysemu/block-backend.h"
33 static void xen_init_pv(MachineState *machine)
35 DriveInfo *dinfo;
36 int i;
38 /* Initialize backend core & drivers */
39 if (xen_be_init() != 0) {
40 error_report("%s: xen backend core setup failed", __func__);
41 exit(1);
44 switch (xen_mode) {
45 case XEN_ATTACH:
46 /* nothing to do, xend handles everything */
47 break;
48 #ifdef CONFIG_XEN_PV_DOMAIN_BUILD
49 case XEN_CREATE: {
50 const char *kernel_filename = machine->kernel_filename;
51 const char *kernel_cmdline = machine->kernel_cmdline;
52 const char *initrd_filename = machine->initrd_filename;
53 if (xen_domain_build_pv(kernel_filename, initrd_filename,
54 kernel_cmdline) < 0) {
55 error_report("xen pv domain creation failed");
56 exit(1);
58 break;
60 #endif
61 case XEN_EMULATE:
62 error_report("xen emulation not implemented (yet)");
63 exit(1);
64 break;
65 default:
66 error_report("unhandled xen_mode %d", xen_mode);
67 exit(1);
68 break;
71 xen_be_register_common();
72 xen_be_register("vfb", &xen_framebuffer_ops);
73 xen_be_register("qnic", &xen_netdev_ops);
75 /* configure framebuffer */
76 if (xenfb_enabled) {
77 xen_config_dev_vfb(0, "vnc");
78 xen_config_dev_vkbd(0);
81 /* configure disks */
82 for (i = 0; i < 16; i++) {
83 dinfo = drive_get(IF_XEN, 0, i);
84 if (!dinfo)
85 continue;
86 xen_config_dev_blk(dinfo);
89 /* configure nics */
90 for (i = 0; i < nb_nics; i++) {
91 if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
92 continue;
93 xen_config_dev_nic(nd_table + i);
96 /* config cleanup hook */
97 atexit(xen_config_cleanup);
100 static void xenpv_machine_init(MachineClass *mc)
102 mc->desc = "Xen Para-virtualized PC";
103 mc->init = xen_init_pv;
104 mc->max_cpus = 1;
105 mc->default_machine_opts = "accel=xen";
108 DEFINE_MACHINE("xenpv", xenpv_machine_init)