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 DriveInfo *dinfo; 36 int i; 37 38 /* Initialize backend core & drivers */ 39 if (xen_be_init() != 0) { 40 error_report("%s: xen backend core setup failed", __func__); 41 exit(1); 42 } 43 44 switch (xen_mode) { 45 case XEN_ATTACH: 46 /* nothing to do, libxl handles everything */ 47 break; 48 case XEN_EMULATE: 49 error_report("xen emulation not implemented (yet)"); 50 exit(1); 51 break; 52 default: 53 error_report("unhandled xen_mode %d", xen_mode); 54 exit(1); 55 break; 56 } 57 58 xen_be_register_common(); 59 xen_be_register("vfb", &xen_framebuffer_ops); 60 xen_be_register("qnic", &xen_netdev_ops); 61 62 /* configure framebuffer */ 63 if (vga_interface_type == VGA_XENFB) { 64 xen_config_dev_vfb(0, "vnc"); 65 xen_config_dev_vkbd(0); 66 } 67 68 /* configure disks */ 69 for (i = 0; i < 16; i++) { 70 dinfo = drive_get(IF_XEN, 0, i); 71 if (!dinfo) 72 continue; 73 xen_config_dev_blk(dinfo); 74 } 75 76 /* configure nics */ 77 for (i = 0; i < nb_nics; i++) { 78 if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen")) 79 continue; 80 xen_config_dev_nic(nd_table + i); 81 } 82 83 xen_bus_init(); 84 85 /* config cleanup hook */ 86 atexit(xen_config_cleanup); 87 } 88 89 static void xenpv_machine_init(MachineClass *mc) 90 { 91 mc->desc = "Xen Para-virtualized PC"; 92 mc->init = xen_init_pv; 93 mc->max_cpus = 1; 94 mc->default_machine_opts = "accel=xen"; 95 } 96 97 DEFINE_MACHINE("xenpv", xenpv_machine_init) 98