static void char_ringbuf_test(void)
{
QemuOpts *opts;
Chardev *chr;
CharBackend be;
char *data;
int ret;
opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
qemu_opt_set(opts, "size", "5", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_null(chr);
qemu_opts_del(opts);
opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "ringbuf", &error_abort);
qemu_opt_set(opts, "size", "2", &error_abort);
chr = qemu_chr_new_from_opts(opts, &error_abort);
g_assert_nonnull(chr);
qemu_opts_del(opts);
qemu_chr_fe_init(&be, chr, &error_abort);
ret = qemu_chr_fe_write(&be, (void *)"buff", 4);
g_assert_cmpint(ret, ==, 4);
data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
g_assert_cmpstr(data, ==, "ff");
g_free(data);
data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort);
g_assert_cmpstr(data, ==, "");
g_free(data);
qemu_chr_fe_deinit(&be, true);
/* check alias */
opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "memory", &error_abort);
qemu_opt_set(opts, "size", "2", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_nonnull(chr);
object_unparent(OBJECT(chr));
qemu_opts_del(opts);
}
static void test_qemu_opts_set(void)
{
QemuOptsList *list;
QemuOpts *opts;
int ret;
const char *opt;
list = qemu_find_opts("opts_list_01");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_01");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* implicitly create opts and set str3 value */
ret = qemu_opts_set(list, NULL, "str3", "value");
g_assert(ret == 0);
g_assert(!QTAILQ_EMPTY(&list->head));
/* get the just created opts */
opts = qemu_opts_find(list, NULL);
g_assert(opts != NULL);
/* check the str3 value */
opt = qemu_opt_get(opts, "str3");
g_assert_cmpstr(opt, ==, "value");
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
static char *parse_initiator_name(const char *target)
{
QemuOptsList *list;
QemuOpts *opts;
const char *name = NULL;
const char *iscsi_name = qemu_get_vm_name();
list = qemu_find_opts("iscsi");
if (list) {
opts = qemu_opts_find(list, target);
if (!opts) {
opts = QTAILQ_FIRST(&list->head);
}
if (opts) {
name = qemu_opt_get(opts, "initiator-name");
}
}
if (name) {
return g_strdup(name);
} else {
return g_strdup_printf("iqn.2008-11.org.linux-kvm%s%s",
iscsi_name ? ":" : "",
iscsi_name ? iscsi_name : "");
}
}
static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
const char *devaddr,
const char *opts_str)
{
QemuOpts *opts;
PCIBus *bus;
int ret, devfn;
bus = pci_get_bus_devfn(&devfn, devaddr);
if (!bus) {
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
if (!((BusState*)bus)->allow_hotplug) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
if (!opts) {
return NULL;
}
qemu_opt_set(opts, "type", "nic");
ret = net_client_init(mon, opts, 0);
if (ret < 0)
return NULL;
if (nd_table[ret].devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
return pci_nic_init(&nd_table[ret], "rtl8139", devaddr);
}
static void *get_device_tree(int *fdt_size)
{
char *path;
void *fdt;
const char *dtb_arg;
QemuOpts *machine_opts;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (!machine_opts) {
dtb_arg = BINARY_DEVICE_TREE_FILE;
} else {
dtb_arg = qemu_opt_get(machine_opts, "dtb");
if (!dtb_arg) {
dtb_arg = BINARY_DEVICE_TREE_FILE;
}
}
fdt = load_device_tree(dtb_arg, fdt_size);
if (!fdt) {
path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
if (path) {
fdt = load_device_tree(path, fdt_size);
g_free(path);
}
}
return fdt;
}
int qemu_set_option(const char *str)
{
char group[64], id[64], arg[64];
QemuOptsList *list;
QemuOpts *opts;
int rc, offset;
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
if (rc < 3 || str[offset] != '=') {
error_report("can't parse: \"%s\"", str);
return -1;
}
list = qemu_find_opts(group);
if (list == NULL) {
return -1;
}
opts = qemu_opts_find(list, id);
if (!opts) {
error_report("there is no %s \"%s\" defined",
list->name, id);
return -1;
}
if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
return -1;
}
return 0;
}
int net_init_vhost_user(const NetClientOptions *opts, const char *name,
NetClientState *peer, Error **errp)
{
int queues;
const NetdevVhostUserOptions *vhost_user_opts;
CharDriverState *chr;
assert(opts->type == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
vhost_user_opts = opts->u.vhost_user.data;
chr = net_vhost_parse_chardev(vhost_user_opts, errp);
if (!chr) {
return -1;
}
/* verify net frontend */
if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net,
(char *)name, errp)) {
return -1;
}
queues = vhost_user_opts->has_queues ? vhost_user_opts->queues : 1;
if (queues < 1 || queues > MAX_QUEUE_NUM) {
error_setg(errp,
"vhost-user number of queues must be in range [1, %d]",
MAX_QUEUE_NUM);
return -1;
}
return net_vhost_user_init(peer, "vhost_user", name, chr, queues);
}
int net_init_vhost_user(const NetClientOptions *opts, const char *name,
NetClientState *peer)
{
int queues;
const NetdevVhostUserOptions *vhost_user_opts;
CharDriverState *chr;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
vhost_user_opts = opts->vhost_user;
chr = net_vhost_parse_chardev(vhost_user_opts);
if (!chr) {
error_report("No suitable chardev found");
return -1;
}
/* verify net frontend */
if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net,
(char *)name, true) == -1) {
return -1;
}
queues = vhost_user_opts->has_queues ? vhost_user_opts->queues : 1;
return net_vhost_user_init(peer, "vhost_user", name, chr, queues);
}
static char *parse_initiator_name(const char *target)
{
QemuOptsList *list;
QemuOpts *opts;
const char *name = NULL;
list = qemu_find_opts("iscsi");
if (!list) {
return g_strdup("iqn.2008-11.org.linux-kvm");
}
opts = qemu_opts_find(list, target);
if (opts == NULL) {
opts = QTAILQ_FIRST(&list->head);
if (!opts) {
return g_strdup("iqn.2008-11.org.linux-kvm");
}
}
name = qemu_opt_get(opts, "initiator-name");
if (!name) {
return g_strdup("iqn.2008-11.org.linux-kvm");
}
return g_strdup(name);
}
uint32_t qemu_devtree_alloc_phandle(void *fdt)
{
static int phandle = 0x0;
/*
* We need to find out if the user gave us special instruction at
* which phandle id to start allocting phandles.
*/
if (!phandle) {
QemuOpts *machine_opts;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *phandle_start;
phandle_start = qemu_opt_get(machine_opts, "phandle_start");
if (phandle_start) {
phandle = strtoul(phandle_start, NULL, 0);
}
}
}
if (!phandle) {
/*
* None or invalid phandle given on the command line, so fall back to
* default starting point.
*/
phandle = 0x8000;
}
return phandle++;
}
static void test_qemu_opts_create(void)
{
QemuOptsList *list;
QemuOpts *opts;
list = qemu_find_opts("opts_list_01");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_01");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* create the opts */
opts = qemu_opts_create(list, NULL, 0, &error_abort);
g_assert(opts != NULL);
g_assert(!QTAILQ_EMPTY(&list->head));
/* now we've create the opts, must find it */
opts = qemu_opts_find(list, NULL);
g_assert(opts != NULL);
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
static void fw_cfg_bootsplash(FWCfgState *s)
{
const char *boot_splash_filename = NULL;
const char *boot_splash_time = NULL;
char *filename, *file_data;
gsize file_size;
int file_type;
/* get user configuration */
QemuOptsList *plist = qemu_find_opts("boot-opts");
QemuOpts *opts = QTAILQ_FIRST(&plist->head);
boot_splash_filename = qemu_opt_get(opts, "splash");
boot_splash_time = qemu_opt_get(opts, "splash-time");
/* insert splash time if user configurated */
if (boot_splash_time) {
int64_t bst_val = qemu_opt_get_number(opts, "splash-time", -1);
uint16_t bst_le16;
/* validate the input */
if (bst_val < 0 || bst_val > 0xffff) {
error_report("splash-time is invalid,"
"it should be a value between 0 and 65535");
exit(1);
}
/* use little endian format */
bst_le16 = cpu_to_le16(bst_val);
fw_cfg_add_file(s, "etc/boot-menu-wait",
g_memdup(&bst_le16, sizeof bst_le16), sizeof bst_le16);
}
/* insert splash file if user configurated */
if (boot_splash_filename) {
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, boot_splash_filename);
if (filename == NULL) {
error_report("failed to find file '%s'", boot_splash_filename);
return;
}
/* loading file data */
file_data = read_splashfile(filename, &file_size, &file_type);
if (file_data == NULL) {
g_free(filename);
return;
}
g_free(boot_splash_filedata);
boot_splash_filedata = (uint8_t *)file_data;
/* insert data */
if (file_type == JPG_FILE) {
fw_cfg_add_file(s, "bootsplash.jpg",
boot_splash_filedata, file_size);
} else {
fw_cfg_add_file(s, "bootsplash.bmp",
boot_splash_filedata, file_size);
}
g_free(filename);
}
}
static void test_qemu_find_opts(void)
{
QemuOptsList *list;
/* we have an "opts_list_01" option, should return it */
list = qemu_find_opts("opts_list_01");
g_assert(list != NULL);
g_assert_cmpstr(list->name, ==, "opts_list_01");
}
static void s390_ipl_set_boot_menu(S390IPLState *ipl)
{
QemuOptsList *plist = qemu_find_opts("boot-opts");
QemuOpts *opts = QTAILQ_FIRST(&plist->head);
uint8_t *flags = &ipl->qipl.qipl_flags;
uint32_t *timeout = &ipl->qipl.boot_menu_timeout;
const char *tmp;
unsigned long splash_time = 0;
if (!get_boot_device(0)) {
if (boot_menu) {
error_report("boot menu requires a bootindex to be specified for "
"the IPL device");
}
return;
}
switch (ipl->iplb.pbt) {
case S390_IPL_TYPE_CCW:
/* In the absence of -boot menu, use zipl parameters */
if (!qemu_opt_get(opts, "menu")) {
*flags |= QIPL_FLAG_BM_OPTS_ZIPL;
return;
}
break;
case S390_IPL_TYPE_QEMU_SCSI:
break;
default:
if (boot_menu) {
error_report("boot menu is not supported for this device type");
}
return;
}
if (!boot_menu) {
return;
}
*flags |= QIPL_FLAG_BM_OPTS_CMD;
tmp = qemu_opt_get(opts, "splash-time");
if (tmp && qemu_strtoul(tmp, NULL, 10, &splash_time)) {
error_report("splash-time is invalid, forcing it to 0");
*timeout = 0;
return;
}
if (splash_time > 0xffffffff) {
error_report("splash-time is too large, forcing it to max value");
*timeout = 0xffffffff;
return;
}
*timeout = cpu_to_be32(splash_time);
}
static void test_qemu_opt_get_size(void)
{
QemuOptsList *list;
QemuOpts *opts;
uint64_t opt;
QDict *dict;
list = qemu_find_opts("opts_list_02");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_02");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* create the opts */
opts = qemu_opts_create(list, NULL, 0, &error_abort);
g_assert(opts != NULL);
g_assert(!QTAILQ_EMPTY(&list->head));
/* haven't set anything to size1 yet, so defval should be returned */
opt = qemu_opt_get_size(opts, "size1", 5);
g_assert(opt == 5);
dict = qdict_new();
g_assert(dict != NULL);
qdict_put(dict, "size1", qstring_from_str("10"));
qemu_opts_absorb_qdict(opts, dict, &error_abort);
g_assert(error_abort == NULL);
/* now we have set size1, should know about it */
opt = qemu_opt_get_size(opts, "size1", 5);
g_assert(opt == 10);
/* reset value */
qdict_put(dict, "size1", qstring_from_str("15"));
qemu_opts_absorb_qdict(opts, dict, &error_abort);
g_assert(error_abort == NULL);
/* test the reset value */
opt = qemu_opt_get_size(opts, "size1", 5);
g_assert(opt == 15);
qdict_del(dict, "size1");
g_free(dict);
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
QemuOpts *qemu_find_opts_singleton(const char *group)
{
QemuOptsList *list;
QemuOpts *opts;
list = qemu_find_opts(group);
assert(list);
opts = qemu_opts_find(list, NULL);
if (!opts) {
opts = qemu_opts_create(list, NULL, 0, &error_abort);
}
return opts;
}
void qemu_devtree_dumpdtb(void *fdt, int size)
{
QemuOpts *machine_opts;
machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
if (machine_opts) {
const char *dumpdtb = qemu_opt_get(machine_opts, "dumpdtb");
if (dumpdtb) {
/* Dump the dtb to a file and quit */
exit(g_file_set_contents(dumpdtb, fdt, size, NULL) ? 0 : 1);
}
}
}
static void char_console_test_subprocess(void)
{
QemuOpts *opts;
Chardev *chr;
opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label",
1, &error_abort);
qemu_opt_set(opts, "backend", "console", &error_abort);
chr = qemu_chr_new_from_opts(opts, NULL);
g_assert_nonnull(chr);
qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7);
qemu_opts_del(opts);
object_unparent(OBJECT(chr));
}
static void
setup_fixture(OptsVisitorFixture *f, gconstpointer test_data)
{
const char *opts_string = test_data;
QemuOpts *opts;
OptsVisitor *ov;
opts = qemu_opts_parse(qemu_find_opts("userdef"), opts_string, false,
NULL);
g_assert(opts != NULL);
ov = opts_visitor_new(opts);
visit_type_UserDefOptions(opts_get_visitor(ov), NULL, &f->userdef,
&f->err);
opts_visitor_cleanup(ov);
qemu_opts_del(opts);
}
static void ccw_init(MachineState *machine)
{
ram_addr_t my_ram_size = machine->ram_size;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
sclpMemoryHotplugDev *mhd = init_sclp_memory_hotplug_dev();
uint8_t *storage_keys;
int ret;
VirtualCssBus *css_bus;
DeviceState *dev;
QemuOpts *opts = qemu_opts_find(qemu_find_opts("memory"), NULL);
ram_addr_t pad_size = 0;
ram_addr_t maxmem = qemu_opt_get_size(opts, "maxmem", my_ram_size);
ram_addr_t standby_mem_size = maxmem - my_ram_size;
uint64_t kvm_limit;
/* The storage increment size is a multiple of 1M and is a power of 2.
* The number of storage increments must be MAX_STORAGE_INCREMENTS or fewer.
* The variable 'mhd->increment_size' is an exponent of 2 that can be
* used to calculate the size (in bytes) of an increment. */
mhd->increment_size = 20;
while ((my_ram_size >> mhd->increment_size) > MAX_STORAGE_INCREMENTS) {
mhd->increment_size++;
}
while ((standby_mem_size >> mhd->increment_size) > MAX_STORAGE_INCREMENTS) {
mhd->increment_size++;
}
/* The core and standby memory areas need to be aligned with
* the increment size. In effect, this can cause the
* user-specified memory size to be rounded down to align
* with the nearest increment boundary. */
standby_mem_size = standby_mem_size >> mhd->increment_size
<< mhd->increment_size;
my_ram_size = my_ram_size >> mhd->increment_size
<< mhd->increment_size;
/* let's propagate the changed ram size into the global variable. */
ram_size = my_ram_size;
machine->maxram_size = my_ram_size + standby_mem_size;
ret = s390_set_memory_limit(machine->maxram_size, &kvm_limit);
if (ret == -E2BIG) {
hw_error("qemu: host supports a maximum of %" PRIu64 " GB",
kvm_limit >> 30);
} else if (ret) {
char *trace_opt_parse(const char *optarg)
{
char *trace_file;
QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
optarg, true);
if (!opts) {
exit(1);
}
if (qemu_opt_get(opts, "enable")) {
trace_enable_events(qemu_opt_get(opts, "enable"));
}
trace_init_events(qemu_opt_get(opts, "events"));
trace_file = g_strdup(qemu_opt_get(opts, "file"));
qemu_opts_del(opts);
return trace_file;
}
static void test_qemu_opt_get_number(void)
{
QemuOptsList *list;
QemuOpts *opts;
uint64_t opt;
int ret;
list = qemu_find_opts("opts_list_01");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_01");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* create the opts */
opts = qemu_opts_create(list, NULL, 0, &error_abort);
g_assert(opts != NULL);
g_assert(!QTAILQ_EMPTY(&list->head));
/* haven't set anything to number1 yet, so defval should be returned */
opt = qemu_opt_get_number(opts, "number1", 5);
g_assert(opt == 5);
ret = qemu_opt_set_number(opts, "number1", 10);
g_assert(ret == 0);
/* now we have set number1, should know about it */
opt = qemu_opt_get_number(opts, "number1", 5);
g_assert(opt == 10);
/* having reset it, the returned should be the reset one not defval */
ret = qemu_opt_set_number(opts, "number1", 15);
g_assert(ret == 0);
opt = qemu_opt_get_number(opts, "number1", 5);
g_assert(opt == 15);
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
const char *devaddr,
const char *opts_str)
{
Error *local_err = NULL;
QemuOpts *opts;
PCIBus *root = pci_find_primary_bus();
PCIBus *bus;
int ret, devfn;
if (!root) {
monitor_printf(mon, "no primary PCI bus (if there are multiple"
" PCI roots, you must use device_add instead)");
return NULL;
}
bus = pci_get_bus_devfn(&devfn, root, devaddr);
if (!bus) {
monitor_printf(mon, "Invalid PCI device address %s\n", devaddr);
return NULL;
}
if (!((BusState*)bus)->allow_hotplug) {
monitor_printf(mon, "PCI bus doesn't support hotplug\n");
return NULL;
}
opts = qemu_opts_parse(qemu_find_opts("net"), opts_str ? opts_str : "", 0);
if (!opts) {
return NULL;
}
qemu_opt_set(opts, "type", "nic");
ret = net_client_init(opts, 0, &local_err);
if (error_is_set(&local_err)) {
qerror_report_err(local_err);
error_free(local_err);
return NULL;
}
if (nd_table[ret].devaddr) {
monitor_printf(mon, "Parameter addr not supported\n");
return NULL;
}
return pci_nic_init(&nd_table[ret], root, "rtl8139", devaddr);
}
static void test_qemu_opt_get_bool(void)
{
QemuOptsList *list;
QemuOpts *opts;
bool opt;
int ret;
list = qemu_find_opts("opts_list_02");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_02");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* create the opts */
opts = qemu_opts_create(list, NULL, 0, &error_abort);
g_assert(opts != NULL);
g_assert(!QTAILQ_EMPTY(&list->head));
/* haven't set anything to bool1 yet, so defval should be returned */
opt = qemu_opt_get_bool(opts, "bool1", false);
g_assert(opt == false);
ret = qemu_opt_set_bool(opts, "bool1", true);
g_assert(ret == 0);
/* now we have set bool1, should know about it */
opt = qemu_opt_get_bool(opts, "bool1", false);
g_assert(opt == true);
/* having reset the value, opt should be the reset one not defval */
ret = qemu_opt_set_bool(opts, "bool1", false);
g_assert(ret == 0);
opt = qemu_opt_get_bool(opts, "bool1", true);
g_assert(opt == false);
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
static void test_qemu_opt_get(void)
{
QemuOptsList *list;
QemuOpts *opts;
const char *opt = NULL;
list = qemu_find_opts("opts_list_01");
g_assert(list != NULL);
g_assert(QTAILQ_EMPTY(&list->head));
g_assert_cmpstr(list->name, ==, "opts_list_01");
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
/* create the opts */
opts = qemu_opts_create(list, NULL, 0, &error_abort);
g_assert(opts != NULL);
g_assert(!QTAILQ_EMPTY(&list->head));
/* haven't set anything to str2 yet */
opt = qemu_opt_get(opts, "str2");
g_assert(opt == NULL);
qemu_opt_set(opts, "str2", "value");
/* now we have set str2, should know about it */
opt = qemu_opt_get(opts, "str2");
g_assert_cmpstr(opt, ==, "value");
qemu_opt_set(opts, "str2", "value2");
/* having reset the value, the returned should be the reset one */
opt = qemu_opt_get(opts, "str2");
g_assert_cmpstr(opt, ==, "value2");
qemu_opts_del(opts);
/* should not find anything at this point */
opts = qemu_opts_find(list, NULL);
g_assert(opts == NULL);
}
static void qmp_change_vnc_listen(const char *target, Error **errp)
{
QemuOptsList *olist = qemu_find_opts("vnc");
QemuOpts *opts;
if (strstr(target, "id=")) {
error_setg(errp, "id not supported");
return;
}
opts = qemu_opts_find(olist, "default");
if (opts) {
qemu_opts_del(opts);
}
opts = vnc_parse(target, errp);
if (!opts) {
return;
}
vnc_display_open("default", errp);
}
static void fw_cfg_reboot(FWCfgState *s)
{
const char *reboot_timeout = NULL;
int64_t rt_val = -1;
/* get user configuration */
QemuOptsList *plist = qemu_find_opts("boot-opts");
QemuOpts *opts = QTAILQ_FIRST(&plist->head);
reboot_timeout = qemu_opt_get(opts, "reboot-timeout");
if (reboot_timeout) {
rt_val = qemu_opt_get_number(opts, "reboot-timeout", -1);
/* validate the input */
if (rt_val < 0 || rt_val > 0xffff) {
error_report("reboot timeout is invalid,"
"it should be a value between 0 and 65535");
exit(1);
}
}
fw_cfg_add_file(s, "etc/boot-fail-wait", g_memdup(&rt_val, 4), 4);
}
static int parse_chap(struct iscsi_context *iscsi, const char *target)
{
QemuOptsList *list;
QemuOpts *opts;
const char *user = NULL;
const char *password = NULL;
list = qemu_find_opts("iscsi");
if (!list) {
return 0;
}
opts = qemu_opts_find(list, target);
if (opts == NULL) {
opts = QTAILQ_FIRST(&list->head);
if (!opts) {
return 0;
}
}
user = qemu_opt_get(opts, "user");
if (!user) {
return 0;
}
password = qemu_opt_get(opts, "password");
if (!password) {
error_report("CHAP username specified but no password was given");
return -1;
}
if (iscsi_set_initiator_username_pwd(iscsi, user, password)) {
error_report("Failed to set initiator username and password");
return -1;
}
return 0;
}
int net_init_vhost_user(const NetClientOptions *opts, const char *name,
NetClientState *peer, Error **errp)
{
const NetdevVhostUserOptions *vhost_user_opts;
CharDriverState *chr;
assert(opts->kind == NET_CLIENT_OPTIONS_KIND_VHOST_USER);
vhost_user_opts = opts->vhost_user;
chr = net_vhost_parse_chardev(vhost_user_opts, errp);
if (!chr) {
return -1;
}
/* verify net frontend */
if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net,
(char *)name, errp)) {
return -1;
}
return net_vhost_user_init(peer, "vhost_user", name, chr);
}
static void fw_cfg_reboot(FWCfgState *s)
{
int reboot_timeout = -1;
char *p;
const char *temp;
/* get user configuration */
QemuOptsList *plist = qemu_find_opts("boot-opts");
QemuOpts *opts = QTAILQ_FIRST(&plist->head);
if (opts != NULL) {
temp = qemu_opt_get(opts, "reboot-timeout");
if (temp != NULL) {
p = (char *)temp;
reboot_timeout = strtol(p, (char **)&p, 10);
}
}
/* validate the input */
if (reboot_timeout > 0xffff) {
error_report("reboot timeout is larger than 65535, force it to 65535.");
reboot_timeout = 0xffff;
}
fw_cfg_add_file(s, "etc/boot-fail-wait", g_memdup(&reboot_timeout, 4), 4);
}
