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vl.c
3210 lines (2859 loc) · 89.3 KB
/
vl.c
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/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <errno.h>
#include <sys/time.h>
#include <zlib.h>
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
#ifndef _WIN32
#include <libgen.h>
#include <sys/times.h>
#include <sys/wait.h>
#include <termios.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <dirent.h>
#include <netdb.h>
#include <sys/select.h>
#ifdef CONFIG_SIMPLE_TRACE
#include "trace.h"
#endif
#ifdef CONFIG_BSD
#include <sys/stat.h>
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
#include <libutil.h>
#include <sys/sysctl.h>
#else
#include <util.h>
#endif
#else
#ifdef __linux__
#include <pty.h>
#include <malloc.h>
#include <linux/ppdev.h>
#include <linux/parport.h>
#endif
#ifdef __sun__
#include <sys/stat.h>
#include <sys/ethernet.h>
#include <sys/sockio.h>
#include <netinet/arp.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h> // must come after ip.h
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <net/if.h>
#include <syslog.h>
#include <stropts.h>
#endif
#endif
#endif
#if defined(__OpenBSD__)
#include <util.h>
#endif
#if defined(CONFIG_VDE)
#include <libvdeplug.h>
#endif
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef CONFIG_SDL
#if defined(__APPLE__) || defined(main)
#include <SDL.h>
int qemu_main(int argc, char **argv, char **envp);
int main(int argc, char **argv)
{
return qemu_main(argc, argv, NULL);
}
#undef main
#define main qemu_main
#endif
#endif /* CONFIG_SDL */
#ifdef CONFIG_COCOA
#undef main
#define main qemu_main
#endif /* CONFIG_COCOA */
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/usb.h"
#include "hw/pcmcia.h"
#include "hw/pc.h"
#include "hw/isa.h"
#include "hw/baum.h"
#include "hw/bt.h"
#include "hw/watchdog.h"
#include "hw/smbios.h"
#include "hw/xen.h"
#include "hw/qdev.h"
#include "hw/loader.h"
#include "bt-host.h"
#include "net.h"
#include "net/slirp.h"
#include "monitor.h"
#include "console.h"
#include "sysemu.h"
#include "gdbstub.h"
#include "qemu-timer.h"
#include "qemu-char.h"
#include "cache-utils.h"
#include "block.h"
#include "blockdev.h"
#include "block-migration.h"
#include "dma.h"
#include "audio/audio.h"
#include "migration.h"
#include "kvm.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "qemu-objects.h"
#include "qemu-options.h"
#include "hw/device-assignment.h"
#ifdef CONFIG_VIRTFS
#include "fsdev/qemu-fsdev.h"
#endif
#include "disas.h"
#include "qemu_socket.h"
#include "slirp/libslirp.h"
#include "trace.h"
#include "qemu-queue.h"
#include "cpus.h"
#include "arch_init.h"
#include "ui/qemu-spice.h"
//#define DEBUG_NET
//#define DEBUG_SLIRP
#define DEFAULT_RAM_SIZE 128
#define MAX_VIRTIO_CONSOLES 1
static const char *data_dir;
const char *bios_name = NULL;
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
DisplayType display_type = DT_DEFAULT;
int display_remote = 0;
const char* keyboard_layout = NULL;
ram_addr_t ram_size;
const char *mem_path = NULL;
#ifdef MAP_POPULATE
int mem_prealloc = 0; /* force preallocation of physical target memory */
#endif
int nb_nics;
NICInfo nd_table[MAX_NICS];
int vm_running;
int vm_setup = 0;
int autostart;
int incoming_expected; /* Started with -incoming and waiting for incoming */
static int rtc_utc = 1;
static int rtc_date_offset = -1; /* -1 means no change */
QEMUClock *rtc_clock;
int vga_interface_type = VGA_NONE;
static int full_screen = 0;
#ifdef CONFIG_SDL
static int no_frame = 0;
#endif
int no_quit = 0;
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
int win2k_install_hack = 0;
int rtc_td_hack = 0;
int usb_enabled = 0;
int singlestep = 0;
int smp_cpus = 1;
int max_cpus = 0;
int smp_cores = 1;
int smp_threads = 1;
const char *vnc_display;
int acpi_enabled = 1;
int no_hpet = 0;
int fd_bootchk = 1;
int no_reboot = 0;
int no_shutdown = 0;
int cursor_hide = 1;
int graphic_rotate = 0;
uint8_t irq0override = 1;
const char *watchdog;
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
int nb_option_roms;
int semihosting_enabled = 0;
int time_drift_fix = 0;
unsigned int kvm_shadow_memory = 0;
int old_param = 0;
const char *qemu_name;
int alt_grab = 0;
int ctrl_grab = 0;
unsigned int nb_prom_envs = 0;
const char *prom_envs[MAX_PROM_ENVS];
const char *nvram = NULL;
int boot_menu;
typedef struct FWBootEntry FWBootEntry;
struct FWBootEntry {
QTAILQ_ENTRY(FWBootEntry) link;
int32_t bootindex;
DeviceState *dev;
char *suffix;
};
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
uint64_t node_cpumask[MAX_NODES];
static QEMUTimer *nographic_timer;
uint8_t qemu_uuid[16];
static QEMUBootSetHandler *boot_set_handler;
static void *boot_set_opaque;
static NotifierList exit_notifiers =
NOTIFIER_LIST_INITIALIZER(exit_notifiers);
static NotifierList machine_init_done_notifiers =
NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
int kvm_allowed = -1;
uint32_t xen_domid;
enum xen_mode xen_mode = XEN_EMULATE;
static int default_serial = 1;
static int default_parallel = 1;
static int default_virtcon = 1;
static int default_monitor = 1;
static int default_vga = 1;
static int default_floppy = 1;
static int default_cdrom = 1;
static int default_sdcard = 1;
static struct {
const char *driver;
int *flag;
} default_list[] = {
{ .driver = "isa-serial", .flag = &default_serial },
{ .driver = "isa-parallel", .flag = &default_parallel },
{ .driver = "isa-fdc", .flag = &default_floppy },
{ .driver = "ide-drive", .flag = &default_cdrom },
{ .driver = "virtio-serial-pci", .flag = &default_virtcon },
{ .driver = "virtio-serial-s390", .flag = &default_virtcon },
{ .driver = "virtio-serial", .flag = &default_virtcon },
{ .driver = "VGA", .flag = &default_vga },
{ .driver = "cirrus-vga", .flag = &default_vga },
{ .driver = "vmware-svga", .flag = &default_vga },
};
static int default_driver_check(QemuOpts *opts, void *opaque)
{
const char *driver = qemu_opt_get(opts, "driver");
int i;
if (!driver)
return 0;
for (i = 0; i < ARRAY_SIZE(default_list); i++) {
if (strcmp(default_list[i].driver, driver) != 0)
continue;
*(default_list[i].flag) = 0;
}
return 0;
}
/***********************************************************/
/* real time host monotonic timer */
/***********************************************************/
/* host time/date access */
void qemu_get_timedate(struct tm *tm, int offset)
{
time_t ti;
struct tm *ret;
time(&ti);
ti += offset;
if (rtc_date_offset == -1) {
if (rtc_utc)
ret = gmtime(&ti);
else
ret = localtime(&ti);
} else {
ti -= rtc_date_offset;
ret = gmtime(&ti);
}
memcpy(tm, ret, sizeof(struct tm));
}
int qemu_timedate_diff(struct tm *tm)
{
time_t seconds;
if (rtc_date_offset == -1)
if (rtc_utc)
seconds = mktimegm(tm);
else
seconds = mktime(tm);
else
seconds = mktimegm(tm) + rtc_date_offset;
return seconds - time(NULL);
}
void rtc_change_mon_event(struct tm *tm)
{
QObject *data;
data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
monitor_protocol_event(QEVENT_RTC_CHANGE, data);
qobject_decref(data);
}
static void configure_rtc_date_offset(const char *startdate, int legacy)
{
time_t rtc_start_date;
struct tm tm;
if (!strcmp(startdate, "now") && legacy) {
rtc_date_offset = -1;
} else {
if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
&tm.tm_year,
&tm.tm_mon,
&tm.tm_mday,
&tm.tm_hour,
&tm.tm_min,
&tm.tm_sec) == 6) {
/* OK */
} else if (sscanf(startdate, "%d-%d-%d",
&tm.tm_year,
&tm.tm_mon,
&tm.tm_mday) == 3) {
tm.tm_hour = 0;
tm.tm_min = 0;
tm.tm_sec = 0;
} else {
goto date_fail;
}
tm.tm_year -= 1900;
tm.tm_mon--;
rtc_start_date = mktimegm(&tm);
if (rtc_start_date == -1) {
date_fail:
fprintf(stderr, "Invalid date format. Valid formats are:\n"
"'2006-06-17T16:01:21' or '2006-06-17'\n");
exit(1);
}
rtc_date_offset = time(NULL) - rtc_start_date;
}
}
static void configure_rtc(QemuOpts *opts)
{
const char *value;
value = qemu_opt_get(opts, "base");
if (value) {
if (!strcmp(value, "utc")) {
rtc_utc = 1;
} else if (!strcmp(value, "localtime")) {
rtc_utc = 0;
} else {
configure_rtc_date_offset(value, 0);
}
}
value = qemu_opt_get(opts, "clock");
if (value) {
if (!strcmp(value, "host")) {
rtc_clock = host_clock;
} else if (!strcmp(value, "vm")) {
rtc_clock = vm_clock;
} else {
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
exit(1);
}
}
value = qemu_opt_get(opts, "driftfix");
if (value) {
if (!strcmp(value, "slew")) {
rtc_td_hack = 1;
} else if (!strcmp(value, "none")) {
rtc_td_hack = 0;
} else {
fprintf(stderr, "qemu: invalid option value '%s'\n", value);
exit(1);
}
}
}
/***********************************************************/
/* Bluetooth support */
static int nb_hcis;
static int cur_hci;
static struct HCIInfo *hci_table[MAX_NICS];
static struct bt_vlan_s {
struct bt_scatternet_s net;
int id;
struct bt_vlan_s *next;
} *first_bt_vlan;
/* find or alloc a new bluetooth "VLAN" */
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
{
struct bt_vlan_s **pvlan, *vlan;
for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
if (vlan->id == id)
return &vlan->net;
}
vlan = qemu_mallocz(sizeof(struct bt_vlan_s));
vlan->id = id;
pvlan = &first_bt_vlan;
while (*pvlan != NULL)
pvlan = &(*pvlan)->next;
*pvlan = vlan;
return &vlan->net;
}
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
{
}
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
{
return -ENOTSUP;
}
static struct HCIInfo null_hci = {
.cmd_send = null_hci_send,
.sco_send = null_hci_send,
.acl_send = null_hci_send,
.bdaddr_set = null_hci_addr_set,
};
struct HCIInfo *qemu_next_hci(void)
{
if (cur_hci == nb_hcis)
return &null_hci;
return hci_table[cur_hci++];
}
static struct HCIInfo *hci_init(const char *str)
{
char *endp;
struct bt_scatternet_s *vlan = 0;
if (!strcmp(str, "null"))
/* null */
return &null_hci;
else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
/* host[:hciN] */
return bt_host_hci(str[4] ? str + 5 : "hci0");
else if (!strncmp(str, "hci", 3)) {
/* hci[,vlan=n] */
if (str[3]) {
if (!strncmp(str + 3, ",vlan=", 6)) {
vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
if (*endp)
vlan = 0;
}
} else
vlan = qemu_find_bt_vlan(0);
if (vlan)
return bt_new_hci(vlan);
}
fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
return 0;
}
static int bt_hci_parse(const char *str)
{
struct HCIInfo *hci;
bdaddr_t bdaddr;
if (nb_hcis >= MAX_NICS) {
fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
return -1;
}
hci = hci_init(str);
if (!hci)
return -1;
bdaddr.b[0] = 0x52;
bdaddr.b[1] = 0x54;
bdaddr.b[2] = 0x00;
bdaddr.b[3] = 0x12;
bdaddr.b[4] = 0x34;
bdaddr.b[5] = 0x56 + nb_hcis;
hci->bdaddr_set(hci, bdaddr.b);
hci_table[nb_hcis++] = hci;
return 0;
}
static void bt_vhci_add(int vlan_id)
{
struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a VHCI to "
"an empty scatternet %i\n", vlan_id);
bt_vhci_init(bt_new_hci(vlan));
}
static struct bt_device_s *bt_device_add(const char *opt)
{
struct bt_scatternet_s *vlan;
int vlan_id = 0;
char *endp = strstr(opt, ",vlan=");
int len = (endp ? endp - opt : strlen(opt)) + 1;
char devname[10];
pstrcpy(devname, MIN(sizeof(devname), len), opt);
if (endp) {
vlan_id = strtol(endp + 6, &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
return 0;
}
}
vlan = qemu_find_bt_vlan(vlan_id);
if (!vlan->slave)
fprintf(stderr, "qemu: warning: adding a slave device to "
"an empty scatternet %i\n", vlan_id);
if (!strcmp(devname, "keyboard"))
return bt_keyboard_init(vlan);
fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
return 0;
}
static int bt_parse(const char *opt)
{
const char *endp, *p;
int vlan;
if (strstart(opt, "hci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp)
if (!strstart(endp, ",vlan=", 0))
opt = endp + 1;
return bt_hci_parse(opt);
}
} else if (strstart(opt, "vhci", &endp)) {
if (!*endp || *endp == ',') {
if (*endp) {
if (strstart(endp, ",vlan=", &p)) {
vlan = strtol(p, (char **) &endp, 0);
if (*endp) {
fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
return 1;
}
} else {
fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
return 1;
}
} else
vlan = 0;
bt_vhci_add(vlan);
return 0;
}
} else if (strstart(opt, "device:", &endp))
return !bt_device_add(endp);
fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
return 1;
}
/***********************************************************/
/* QEMU Block devices */
#define HD_OPTS "media=disk"
#define CDROM_OPTS "media=cdrom"
#define FD_OPTS ""
#define PFLASH_OPTS ""
#define MTD_OPTS ""
#define SD_OPTS ""
static int drive_init_func(QemuOpts *opts, void *opaque)
{
int *use_scsi = opaque;
return drive_init(opts, *use_scsi) == NULL;
}
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
{
if (NULL == qemu_opt_get(opts, "snapshot")) {
qemu_opt_set(opts, "snapshot", "on");
}
return 0;
}
static void default_drive(int enable, int snapshot, int use_scsi,
BlockInterfaceType type, int index,
const char *optstr)
{
QemuOpts *opts;
if (type == IF_DEFAULT) {
type = use_scsi ? IF_SCSI : IF_IDE;
}
if (!enable || drive_get_by_index(type, index)) {
return;
}
opts = drive_add(type, index, NULL, optstr);
if (snapshot) {
drive_enable_snapshot(opts, NULL);
}
if (!drive_init(opts, use_scsi)) {
exit(1);
}
}
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
{
boot_set_handler = func;
boot_set_opaque = opaque;
}
int qemu_boot_set(const char *boot_devices)
{
if (!boot_set_handler) {
return -EINVAL;
}
return boot_set_handler(boot_set_opaque, boot_devices);
}
static void validate_bootdevices(char *devices)
{
/* We just do some generic consistency checks */
const char *p;
int bitmap = 0;
for (p = devices; *p != '\0'; p++) {
/* Allowed boot devices are:
* a-b: floppy disk drives
* c-f: IDE disk drives
* g-m: machine implementation dependant drives
* n-p: network devices
* It's up to each machine implementation to check if the given boot
* devices match the actual hardware implementation and firmware
* features.
*/
if (*p < 'a' || *p > 'p') {
fprintf(stderr, "Invalid boot device '%c'\n", *p);
exit(1);
}
if (bitmap & (1 << (*p - 'a'))) {
fprintf(stderr, "Boot device '%c' was given twice\n", *p);
exit(1);
}
bitmap |= 1 << (*p - 'a');
}
}
static void restore_boot_devices(void *opaque)
{
char *standard_boot_devices = opaque;
static int first = 1;
/* Restore boot order and remove ourselves after the first boot */
if (first) {
first = 0;
return;
}
qemu_boot_set(standard_boot_devices);
qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
qemu_free(standard_boot_devices);
}
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
const char *suffix)
{
FWBootEntry *node, *i;
if (bootindex < 0) {
return;
}
assert(dev != NULL || suffix != NULL);
node = qemu_mallocz(sizeof(FWBootEntry));
node->bootindex = bootindex;
node->suffix = suffix ? qemu_strdup(suffix) : NULL;
node->dev = dev;
QTAILQ_FOREACH(i, &fw_boot_order, link) {
if (i->bootindex == bootindex) {
fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
exit(1);
} else if (i->bootindex < bootindex) {
continue;
}
QTAILQ_INSERT_BEFORE(i, node, link);
return;
}
QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
}
/*
* This function returns null terminated string that consist of new line
* separated device pathes.
*
* memory pointed by "size" is assigned total length of the array in bytes
*
*/
char *get_boot_devices_list(uint32_t *size)
{
FWBootEntry *i;
uint32_t total = 0;
char *list = NULL;
QTAILQ_FOREACH(i, &fw_boot_order, link) {
char *devpath = NULL, *bootpath;
int len;
if (i->dev) {
devpath = qdev_get_fw_dev_path(i->dev);
assert(devpath);
}
if (i->suffix && devpath) {
size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
bootpath = qemu_malloc(bootpathlen);
snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
qemu_free(devpath);
} else if (devpath) {
bootpath = devpath;
} else {
bootpath = qemu_strdup(i->suffix);
assert(bootpath);
}
if (total) {
list[total-1] = '\n';
}
len = strlen(bootpath) + 1;
list = qemu_realloc(list, total + len);
memcpy(&list[total], bootpath, len);
total += len;
qemu_free(bootpath);
}
*size = total;
return list;
}
static void numa_add(const char *optarg)
{
char option[128];
char *endptr;
unsigned long long value, endvalue;
int nodenr;
optarg = get_opt_name(option, 128, optarg, ',') + 1;
if (!strcmp(option, "node")) {
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
nodenr = nb_numa_nodes;
} else {
nodenr = strtoull(option, NULL, 10);
}
if (get_param_value(option, 128, "mem", optarg) == 0) {
node_mem[nodenr] = 0;
} else {
int64_t sval;
sval = strtosz(option, NULL);
if (sval < 0) {
fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
exit(1);
}
node_mem[nodenr] = sval;
}
if (get_param_value(option, 128, "cpus", optarg) == 0) {
node_cpumask[nodenr] = 0;
} else {
value = strtoull(option, &endptr, 10);
if (value >= 64) {
value = 63;
fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
} else {
if (*endptr == '-') {
endvalue = strtoull(endptr+1, &endptr, 10);
if (endvalue >= 63) {
endvalue = 62;
fprintf(stderr,
"only 63 CPUs in NUMA mode supported.\n");
}
value = (2ULL << endvalue) - (1ULL << value);
} else {
value = 1ULL << value;
}
}
node_cpumask[nodenr] = value;
}
nb_numa_nodes++;
}
return;
}
static void smp_parse(const char *optarg)
{
int smp, sockets = 0, threads = 0, cores = 0;
char *endptr;
char option[128];
smp = strtoul(optarg, &endptr, 10);
if (endptr != optarg) {
if (*endptr == ',') {
endptr++;
}
}
if (get_param_value(option, 128, "sockets", endptr) != 0)
sockets = strtoull(option, NULL, 10);
if (get_param_value(option, 128, "cores", endptr) != 0)
cores = strtoull(option, NULL, 10);
if (get_param_value(option, 128, "threads", endptr) != 0)
threads = strtoull(option, NULL, 10);
if (get_param_value(option, 128, "maxcpus", endptr) != 0)
max_cpus = strtoull(option, NULL, 10);
/* compute missing values, prefer sockets over cores over threads */
if (smp == 0 || sockets == 0) {
sockets = sockets > 0 ? sockets : 1;
cores = cores > 0 ? cores : 1;
threads = threads > 0 ? threads : 1;
if (smp == 0) {
smp = cores * threads * sockets;
}
} else {
if (cores == 0) {
threads = threads > 0 ? threads : 1;
cores = smp / (sockets * threads);
} else {
threads = smp / (cores * sockets);
}
}
smp_cpus = smp;
smp_cores = cores > 0 ? cores : 1;
smp_threads = threads > 0 ? threads : 1;
if (max_cpus == 0)
max_cpus = smp_cpus;
}
/***********************************************************/
/* USB devices */
static int usb_device_add(const char *devname)
{
const char *p;
USBDevice *dev = NULL;
if (!usb_enabled)
return -1;
/* drivers with .usbdevice_name entry in USBDeviceInfo */
dev = usbdevice_create(devname);
if (dev)
goto done;
/* the other ones */
if (strstart(devname, "host:", &p)) {
dev = usb_host_device_open(p);
} else if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
dev = usb_bt_init(devname[2] ? hci_init(p) :
bt_new_hci(qemu_find_bt_vlan(0)));
} else {
return -1;
}
if (!dev)
return -1;
done:
return 0;
}
static int usb_device_del(const char *devname)
{
int bus_num, addr;
const char *p;
if (strstart(devname, "host:", &p))
return usb_host_device_close(p);
if (!usb_enabled)
return -1;
p = strchr(devname, '.');
if (!p)
return -1;
bus_num = strtoul(devname, NULL, 0);
addr = strtoul(p + 1, NULL, 0);
return usb_device_delete_addr(bus_num, addr);
}
static int usb_parse(const char *cmdline)
{
int r;
r = usb_device_add(cmdline);
if (r < 0) {
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
}
return r;
}
void do_usb_add(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_add(devname) < 0) {
error_report("could not add USB device '%s'", devname);
}
}
void do_usb_del(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_del(devname) < 0) {
error_report("could not delete USB device '%s'", devname);
}
}
/***********************************************************/
/* PCMCIA/Cardbus */
static struct pcmcia_socket_entry_s {
PCMCIASocket *socket;
struct pcmcia_socket_entry_s *next;
} *pcmcia_sockets = 0;
void pcmcia_socket_register(PCMCIASocket *socket)
{
struct pcmcia_socket_entry_s *entry;
entry = qemu_malloc(sizeof(struct pcmcia_socket_entry_s));
entry->socket = socket;