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/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" 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, 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); 57 } 58 break; 59 } 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; 69 } 70 71 xen_be_register_common(); 72 xen_be_register("vfb", &xen_framebuffer_ops); 73 xen_be_register("qnic", &xen_netdev_ops); 74 75 /* configure framebuffer */ 76 if (xenfb_enabled) { 77 xen_config_dev_vfb(0, "vnc"); 78 xen_config_dev_vkbd(0); 79 } 80 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); 87 } 88 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); 94 } 95 96 /* config cleanup hook */ 97 atexit(xen_config_cleanup); 98 } 99 100 static void xenpv_machine_init(MachineClass *mc) 101 { 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"; 106 } 107 108 DEFINE_MACHINE("xenpv", xenpv_machine_init) 109