void libxl_domain_config_dispose(libxl_domain_config *d_config)
{
int i;
for (i=0; i<d_config->num_disks; i++)
libxl_device_disk_dispose(&d_config->disks[i]);
free(d_config->disks);
for (i=0; i<d_config->num_nics; i++)
libxl_device_nic_dispose(&d_config->nics[i]);
free(d_config->nics);
for (i=0; i<d_config->num_pcidevs; i++)
libxl_device_pci_dispose(&d_config->pcidevs[i]);
free(d_config->pcidevs);
for (i=0; i<d_config->num_vfbs; i++)
libxl_device_vfb_dispose(&d_config->vfbs[i]);
free(d_config->vfbs);
for (i=0; i<d_config->num_vkbs; i++)
libxl_device_vkb_dispose(&d_config->vkbs[i]);
free(d_config->vkbs);
libxl_domain_create_info_dispose(&d_config->c_info);
libxl_domain_build_info_dispose(&d_config->b_info);
}
int libxl_domain_need_memory(libxl_ctx *ctx,
const libxl_domain_build_info *b_info_in,
uint64_t *need_memkb)
{
GC_INIT(ctx);
libxl_domain_build_info b_info[1];
int rc;
libxl_domain_build_info_init(b_info);
libxl_domain_build_info_copy(ctx, b_info, b_info_in);
rc = libxl__domain_build_info_setdefault(gc, b_info);
if (rc) goto out;
*need_memkb = b_info->target_memkb;
switch (b_info->type) {
case LIBXL_DOMAIN_TYPE_PVH:
case LIBXL_DOMAIN_TYPE_HVM:
*need_memkb += b_info->shadow_memkb + LIBXL_HVM_EXTRA_MEMORY;
if (libxl_defbool_val(b_info->device_model_stubdomain))
*need_memkb += 32 * 1024;
break;
case LIBXL_DOMAIN_TYPE_PV:
*need_memkb += b_info->shadow_memkb + LIBXL_PV_EXTRA_MEMORY;
break;
default:
rc = ERROR_INVAL;
goto out;
}
if (*need_memkb % (2 * 1024))
*need_memkb += (2 * 1024) - (*need_memkb % (2 * 1024));
rc = 0;
out:
GC_FREE;
libxl_domain_build_info_dispose(b_info);
return rc;
}
static int
libxlMakeDomBuildInfo(virDomainObjPtr vm, libxl_domain_config *d_config)
{
virDomainDefPtr def = vm->def;
libxlDomainObjPrivatePtr priv = vm->privateData;
libxl_domain_build_info *b_info = &d_config->b_info;
int hvm = STREQ(def->os.type, "hvm");
size_t i;
libxl_domain_build_info_init(b_info);
if (hvm)
libxl_domain_build_info_init_type(b_info, LIBXL_DOMAIN_TYPE_HVM);
else
libxl_domain_build_info_init_type(b_info, LIBXL_DOMAIN_TYPE_PV);
b_info->max_vcpus = def->maxvcpus;
if (libxl_cpu_bitmap_alloc(priv->ctx, &b_info->avail_vcpus, def->maxvcpus))
goto error;
libxl_bitmap_set_none(&b_info->avail_vcpus);
for (i = 0; i < def->vcpus; i++)
libxl_bitmap_set((&b_info->avail_vcpus), i);
if (def->clock.ntimers > 0 &&
def->clock.timers[0]->name == VIR_DOMAIN_TIMER_NAME_TSC) {
switch (def->clock.timers[0]->mode) {
case VIR_DOMAIN_TIMER_MODE_NATIVE:
b_info->tsc_mode = 2;
break;
case VIR_DOMAIN_TIMER_MODE_PARAVIRT:
b_info->tsc_mode = 3;
break;
default:
b_info->tsc_mode = 1;
}
}
b_info->sched_params.weight = 1000;
b_info->max_memkb = def->mem.max_balloon;
b_info->target_memkb = def->mem.cur_balloon;
if (hvm) {
char bootorder[VIR_DOMAIN_BOOT_LAST + 1];
libxl_defbool_set(&b_info->u.hvm.pae,
def->features[VIR_DOMAIN_FEATURE_PAE] ==
VIR_DOMAIN_FEATURE_STATE_ON);
libxl_defbool_set(&b_info->u.hvm.apic,
def->features[VIR_DOMAIN_FEATURE_APIC] ==
VIR_DOMAIN_FEATURE_STATE_ON);
libxl_defbool_set(&b_info->u.hvm.acpi,
def->features[VIR_DOMAIN_FEATURE_ACPI] ==
VIR_DOMAIN_FEATURE_STATE_ON);
for (i = 0; i < def->clock.ntimers; i++) {
if (def->clock.timers[i]->name == VIR_DOMAIN_TIMER_NAME_HPET &&
def->clock.timers[i]->present == 1) {
libxl_defbool_set(&b_info->u.hvm.hpet, 1);
}
}
for (i = 0; i < def->os.nBootDevs; i++) {
switch (def->os.bootDevs[i]) {
case VIR_DOMAIN_BOOT_FLOPPY:
bootorder[i] = 'a';
break;
default:
case VIR_DOMAIN_BOOT_DISK:
bootorder[i] = 'c';
break;
case VIR_DOMAIN_BOOT_CDROM:
bootorder[i] = 'd';
break;
case VIR_DOMAIN_BOOT_NET:
bootorder[i] = 'n';
break;
}
}
if (def->os.nBootDevs == 0) {
bootorder[0] = 'c';
bootorder[1] = '\0';
}
else {
bootorder[def->os.nBootDevs] = '\0';
}
if (VIR_STRDUP(b_info->u.hvm.boot, bootorder) < 0)
goto error;
if (def->nserials) {
if (def->nserials > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s",
_("Only one serial device is supported by libxl"));
goto error;
}
if (libxlMakeChrdevStr(def->serials[0], &b_info->u.hvm.serial) < 0)
goto error;
}
if (def->nparallels) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s",
_("Parallel devices are not supported by libxl"));
goto error;
}
/*
* The following comment and calculation were taken directly from
* libxenlight's internal function libxl_get_required_shadow_memory():
*
* 256 pages (1MB) per vcpu, plus 1 page per MiB of RAM for the P2M map,
* plus 1 page per MiB of RAM to shadow the resident processes.
*/
b_info->shadow_memkb = 4 * (256 * libxl_bitmap_count_set(&b_info->avail_vcpus) +
2 * (b_info->max_memkb / 1024));
} else {
/*
* For compatibility with the legacy xen toolstack, default to pygrub
* if bootloader is not specified AND direct kernel boot is not specified.
*/
if (def->os.bootloader) {
if (VIR_STRDUP(b_info->u.pv.bootloader, def->os.bootloader) < 0)
goto error;
} else if (def->os.kernel == NULL) {
if (VIR_STRDUP(b_info->u.pv.bootloader, LIBXL_BOOTLOADER_PATH) < 0)
goto error;
}
if (def->os.bootloaderArgs) {
if (!(b_info->u.pv.bootloader_args =
virStringSplit(def->os.bootloaderArgs, " \t\n", 0)))
goto error;
}
if (VIR_STRDUP(b_info->u.pv.cmdline, def->os.cmdline) < 0)
goto error;
if (def->os.kernel) {
/* libxl_init_build_info() sets VIR_STRDUP(kernel.path, "hvmloader") */
VIR_FREE(b_info->u.pv.kernel);
if (VIR_STRDUP(b_info->u.pv.kernel, def->os.kernel) < 0)
goto error;
}
if (VIR_STRDUP(b_info->u.pv.ramdisk, def->os.initrd) < 0)
goto error;
}
return 0;
error:
libxl_domain_build_info_dispose(b_info);
return -1;
}
