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