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 "hw/hw.h"
  27 #include "hw/boards.h"
  28 #include "hw/xen/xen_backend.h"
  29 #include "xen_domainbuild.h"
  30 #include "sysemu/block-backend.h"
  31
  32 static void xen_init_pv(MachineState *machine)
  33 {
  34     DriveInfo *dinfo;
  35     int i;
  36
  37     /* Initialize backend core & drivers */
  38     if (xen_be_init() != 0) {
  39         fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
  40         exit(1);
  41     }
  42
  43     switch (xen_mode) {
  44     case XEN_ATTACH:
  45         /* nothing to do, xend handles everything */
  46         break;
  47 #ifdef CONFIG_XEN_PV_DOMAIN_BUILD
  48     case XEN_CREATE: {
  49         const char *kernel_filename = machine->kernel_filename;
  50         const char *kernel_cmdline = machine->kernel_cmdline;
  51         const char *initrd_filename = machine->initrd_filename;
  52         if (xen_domain_build_pv(kernel_filename, initrd_filename,
  53                                 kernel_cmdline) < 0) {
  54             fprintf(stderr, "xen pv domain creation failed\n");
  55             exit(1);
  56         }
  57         break;
  58     }
  59 #endif
  60     case XEN_EMULATE:
  61         fprintf(stderr, "xen emulation not implemented (yet)\n");
  62         exit(1);
  63         break;
  64     default:
  65         fprintf(stderr, "unhandled xen_mode %d\n", xen_mode);
  66         exit(1);
  67         break;
  68     }
  69
  70     xen_be_register("console", &xen_console_ops);
  71     xen_be_register("vkbd", &xen_kbdmouse_ops);
  72     xen_be_register("vfb", &xen_framebuffer_ops);
  73     xen_be_register("qdisk", &xen_blkdev_ops);
  74     xen_be_register("qnic", &xen_netdev_ops);
  75
  76     /* configure framebuffer */
  77     if (xenfb_enabled) {
  78         xen_config_dev_vfb(0, "vnc");
  79         xen_config_dev_vkbd(0);
  80     }
  81
  82     /* configure disks */
  83     for (i = 0; i < 16; i++) {
  84         dinfo = drive_get(IF_XEN, 0, i);
  85         if (!dinfo)
  86             continue;
  87         xen_config_dev_blk(dinfo);
  88     }
  89
  90     /* configure nics */
  91     for (i = 0; i < nb_nics; i++) {
  92         if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
  93             continue;
  94         xen_config_dev_nic(nd_table + i);
  95     }
  96
  97     /* config cleanup hook */
  98     atexit(xen_config_cleanup);
  99
 100     /* setup framebuffer */
 101     xen_init_display(xen_domid);
 102 }
 103
 104 static void xenpv_machine_init(MachineClass *mc)
 105 {
 106     mc->desc = "Xen Para-virtualized PC";
 107     mc->init = xen_init_pv;
 108     mc->max_cpus = 1;
 109     mc->default_machine_opts = "accel=xen";
 110 }
 111
 112 DEFINE_MACHINE("xenpv", xenpv_machine_init)