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 "hw/hw.h" 26 #include "hw/boards.h" 27 #include "hw/xen/xen_backend.h" 28 #include "xen_domainbuild.h" 29 #include "sysemu/block-backend.h" 30 31 static void xen_init_pv(MachineState *machine) 32 { 33 DriveInfo *dinfo; 34 int i; 35 36 /* Initialize backend core & drivers */ 37 if (xen_be_init() != 0) { 38 fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__); 39 exit(1); 40 } 41 42 switch (xen_mode) { 43 case XEN_ATTACH: 44 /* nothing to do, xend handles everything */ 45 break; 46 #ifdef CONFIG_XEN_PV_DOMAIN_BUILD 47 case XEN_CREATE: { 48 const char *kernel_filename = machine->kernel_filename; 49 const char *kernel_cmdline = machine->kernel_cmdline; 50 const char *initrd_filename = machine->initrd_filename; 51 if (xen_domain_build_pv(kernel_filename, initrd_filename, 52 kernel_cmdline) < 0) { 53 fprintf(stderr, "xen pv domain creation failed\n"); 54 exit(1); 55 } 56 break; 57 } 58 #endif 59 case XEN_EMULATE: 60 fprintf(stderr, "xen emulation not implemented (yet)\n"); 61 exit(1); 62 break; 63 default: 64 fprintf(stderr, "unhandled xen_mode %d\n", xen_mode); 65 exit(1); 66 break; 67 } 68 69 xen_be_register("console", &xen_console_ops); 70 xen_be_register("vkbd", &xen_kbdmouse_ops); 71 xen_be_register("vfb", &xen_framebuffer_ops); 72 xen_be_register("qdisk", &xen_blkdev_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 /* setup framebuffer */ 100 xen_init_display(xen_domid); 101 } 102 103 static void xenpv_machine_init(MachineClass *mc) 104 { 105 mc->desc = "Xen Para-virtualized PC"; 106 mc->init = xen_init_pv; 107 mc->max_cpus = 1; 108 mc->default_machine_opts = "accel=xen"; 109 } 110 111 DEFINE_MACHINE("xenpv", xenpv_machine_init) 112