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", __func__); 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_common(); 71 xen_be_register("vfb", &xen_framebuffer_ops); 72 xen_be_register("qnic", &xen_netdev_ops); 73 74 /* configure framebuffer */ 75 if (xenfb_enabled) { 76 xen_config_dev_vfb(0, "vnc"); 77 xen_config_dev_vkbd(0); 78 } 79 80 /* configure disks */ 81 for (i = 0; i < 16; i++) { 82 dinfo = drive_get(IF_XEN, 0, i); 83 if (!dinfo) 84 continue; 85 xen_config_dev_blk(dinfo); 86 } 87 88 /* configure nics */ 89 for (i = 0; i < nb_nics; i++) { 90 if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen")) 91 continue; 92 xen_config_dev_nic(nd_table + i); 93 } 94 95 /* config cleanup hook */ 96 atexit(xen_config_cleanup); 97 } 98 99 static void xenpv_machine_init(MachineClass *mc) 100 { 101 mc->desc = "Xen Para-virtualized PC"; 102 mc->init = xen_init_pv; 103 mc->max_cpus = 1; 104 mc->default_machine_opts = "accel=xen"; 105 } 106 107 DEFINE_MACHINE("xenpv", xenpv_machine_init) 108