int xc_linux_build(xc_interface *xch, uint32_t domid, unsigned int mem_mb, const char *image_name, const char *initrd_name, const char *cmdline, const char *features, unsigned long flags, unsigned int store_evtchn, unsigned long *store_mfn, unsigned int console_evtchn, unsigned long *console_mfn) { struct xc_dom_image *dom; int rc; xc_dom_loginit(xch); dom = xc_dom_allocate(xch, cmdline, features); if (dom == NULL) return -1; if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 ) goto out; if ( initrd_name && strlen(initrd_name) && ((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) ) goto out; rc = xc_linux_build_internal(dom, xch, domid, mem_mb, flags, store_evtchn, store_mfn, console_evtchn, console_mfn); out: xc_dom_release(dom); return rc; }
int xc_get_bit_size(xc_interface *xch, const char *image_name, const char *cmdline, const char *features, int *bit_size) { struct xc_dom_image *dom; int rc; *bit_size = 0; dom = xc_dom_allocate(xch, cmdline, features); if (dom == NULL) return -1; if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 ) goto out; if ( (rc = xc_dom_parse_image(dom)) != 0 ) goto out; if( dom->guest_type != NULL){ if(strstr(dom->guest_type, "x86_64") != NULL) *bit_size = X86_64_B_SIZE; //64bit Guest if(strstr(dom->guest_type, "x86_32") != NULL) *bit_size = X86_32_B_SIZE; //32bit Guest } out: xc_dom_release(dom); return rc; }
int xc_dom_linux_build(xc_interface *xch, struct xc_dom_image *dom, uint32_t domid, unsigned int mem_mb, const char *image_name, const char *initrd_name, unsigned long flags, unsigned int store_evtchn, unsigned long *store_mfn, unsigned int console_evtchn, unsigned long *console_mfn) { int rc; if ( (rc = xc_dom_kernel_file(dom, image_name)) != 0 ) return rc; if ( initrd_name && strlen(initrd_name) && ((rc = xc_dom_ramdisk_file(dom, initrd_name)) != 0) ) return rc; return xc_linux_build_internal(dom, xch, domid, mem_mb, flags, store_evtchn, store_mfn, console_evtchn, console_mfn); }
static int build(xc_interface *xch) { char cmdline[512]; uint32_t ssid; xen_domain_handle_t handle = { 0 }; int rv, xs_fd; struct xc_dom_image *dom = NULL; int limit_kb = (memory + 1) * 1024; xs_fd = open("/dev/xen/xenbus_backend", O_RDWR); if ( xs_fd == -1 ) { fprintf(stderr, "Could not open /dev/xen/xenbus_backend\n"); return -1; } if ( flask ) { rv = xc_flask_context_to_sid(xch, flask, strlen(flask), &ssid); if ( rv ) { fprintf(stderr, "xc_flask_context_to_sid failed\n"); goto err; } } else { ssid = SECINITSID_DOMU; } rv = xc_domain_create(xch, ssid, handle, XEN_DOMCTL_CDF_xs_domain, &domid, NULL); if ( rv ) { fprintf(stderr, "xc_domain_create failed\n"); goto err; } rv = xc_domain_max_vcpus(xch, domid, 1); if ( rv ) { fprintf(stderr, "xc_domain_max_vcpus failed\n"); goto err; } rv = xc_domain_setmaxmem(xch, domid, limit_kb); if ( rv ) { fprintf(stderr, "xc_domain_setmaxmem failed\n"); goto err; } rv = xc_domain_set_memmap_limit(xch, domid, limit_kb); if ( rv ) { fprintf(stderr, "xc_domain_set_memmap_limit failed\n"); goto err; } rv = ioctl(xs_fd, IOCTL_XENBUS_BACKEND_SETUP, domid); if ( rv < 0 ) { fprintf(stderr, "Xenbus setup ioctl failed\n"); goto err; } if ( param ) snprintf(cmdline, 512, "--event %d --internal-db %s", rv, param); else snprintf(cmdline, 512, "--event %d --internal-db", rv); dom = xc_dom_allocate(xch, cmdline, NULL); rv = xc_dom_kernel_file(dom, kernel); if ( rv ) { fprintf(stderr, "xc_dom_kernel_file failed\n"); goto err; } if ( ramdisk ) { rv = xc_dom_ramdisk_file(dom, ramdisk); if ( rv ) { fprintf(stderr, "xc_dom_ramdisk_file failed\n"); goto err; } } rv = xc_dom_boot_xen_init(dom, xch, domid); if ( rv ) { fprintf(stderr, "xc_dom_boot_xen_init failed\n"); goto err; } rv = xc_dom_parse_image(dom); if ( rv ) { fprintf(stderr, "xc_dom_parse_image failed\n"); goto err; } rv = xc_dom_mem_init(dom, memory); if ( rv ) { fprintf(stderr, "xc_dom_mem_init failed\n"); goto err; } rv = xc_dom_boot_mem_init(dom); if ( rv ) { fprintf(stderr, "xc_dom_boot_mem_init failed\n"); goto err; } rv = xc_dom_build_image(dom); if ( rv ) { fprintf(stderr, "xc_dom_build_image failed\n"); goto err; } rv = xc_dom_boot_image(dom); if ( rv ) { fprintf(stderr, "xc_dom_boot_image failed\n"); goto err; } rv = xc_domain_set_virq_handler(xch, domid, VIRQ_DOM_EXC); if ( rv ) { fprintf(stderr, "xc_domain_set_virq_handler failed\n"); goto err; } rv = xc_domain_unpause(xch, domid); if ( rv ) { fprintf(stderr, "xc_domain_unpause failed\n"); goto err; } rv = 0; err: if ( dom ) xc_dom_release(dom); if ( xs_fd >= 0 ) close(xs_fd); /* if we failed then destroy the domain */ if ( rv && domid != ~0 ) xc_domain_destroy(xch, domid); return rv; }