*/
#include "qemu/osdep.h"
#include "qemu-common.h"
+#include "qemu/cutils.h"
#include "monitor/monitor.h"
#include "sysemu/sysemu.h"
+#include "sysemu/block-backend.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "sysemu/char.h"
#include "hw/usb.h"
#include "qmp-commands.h"
-#include "qapi/qmp-input-visitor.h"
-#include "qapi/qmp-output-visitor.h"
+#include "qapi/clone-visitor.h"
#include "qapi-visit.h"
#include "qemu/base64.h"
#include "io/channel-socket.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>
switch (addr->type) {
case SOCKET_ADDRESS_KIND_INET:
return g_strdup_printf("%s%s:%s:%s%s", prefix,
- is_telnet ? "telnet" : "tcp", addr->u.inet->host,
- addr->u.inet->port, is_listen ? ",server" : "");
+ is_telnet ? "telnet" : "tcp",
+ addr->u.inet.data->host,
+ addr->u.inet.data->port,
+ is_listen ? ",server" : "");
break;
case SOCKET_ADDRESS_KIND_UNIX:
return g_strdup_printf("%sunix:%s%s", prefix,
- addr->u.q_unix->path,
+ addr->u.q_unix.data->path,
is_listen ? ",server" : "");
break;
case SOCKET_ADDRESS_KIND_FD:
- return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd->str,
+ return g_strdup_printf("%sfd:%s%s", prefix, addr->u.fd.data->str,
is_listen ? ",server" : "");
break;
default:
}
while (done < len) {
- do {
- ret = write(s->logfd, buf + done, len - done);
- if (ret == -1 && errno == EAGAIN) {
- g_usleep(100);
- }
- } while (ret == -1 && errno == EAGAIN);
+ retry:
+ ret = write(s->logfd, buf + done, len - done);
+ if (ret == -1 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
if (ret <= 0) {
return;
qemu_mutex_lock(&s->chr_write_lock);
while (*offset < len) {
- do {
- res = s->chr_write(s, buf + *offset, len - *offset);
- if (res == -1 && errno == EAGAIN) {
- g_usleep(100);
- }
- } while (res == -1 && errno == EAGAIN);
+ retry:
+ res = s->chr_write(s, buf + *offset, len - *offset);
+ if (res < 0 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
if (res <= 0) {
break;
}
while (offset < len) {
- do {
- res = s->chr_sync_read(s, buf + offset, len - offset);
- if (res == -1 && errno == EAGAIN) {
- g_usleep(100);
- }
- } while (res == -1 && errno == EAGAIN);
+ retry:
+ res = s->chr_sync_read(s, buf + offset, len - offset);
+ if (res == -1 && errno == EAGAIN) {
+ g_usleep(100);
+ goto retry;
+ }
if (res == 0) {
break;
Error **errp)
{
CharDriverState *chr;
- ChardevCommon *common = backend->u.null;
+ ChardevCommon *common = backend->u.null.data;
chr = qemu_chr_alloc(common, errp);
if (!chr) {
break;
}
case 's':
- bdrv_commit_all();
+ blk_commit_all();
break;
case 'b':
qemu_chr_be_event(chr, CHR_EVENT_BREAK);
ChardevBackend *backend,
ChardevReturn *ret, Error **errp)
{
- ChardevMux *mux = backend->u.mux;
+ ChardevMux *mux = backend->u.mux.data;
CharDriverState *chr, *drv;
MuxDriver *d;
ChardevCommon *common = qapi_ChardevMux_base(mux);
ChardevReturn *ret,
Error **errp)
{
- ChardevHostdev *opts = backend->u.pipe;
+ ChardevHostdev *opts = backend->u.pipe.data;
int fd_in, fd_out;
char *filename_in;
char *filename_out;
ChardevReturn *ret,
Error **errp)
{
- ChardevStdio *opts = backend->u.stdio;
+ ChardevStdio *opts = backend->u.stdio.data;
CharDriverState *chr;
struct sigaction act;
ChardevCommon *common = qapi_ChardevStdio_base(opts);
PtyCharDriver *s;
int master_fd, slave_fd;
char pty_name[PATH_MAX];
- ChardevCommon *common = backend->u.pty;
+ ChardevCommon *common = backend->u.pty.data;
master_fd = qemu_openpty_raw(&slave_fd, pty_name);
if (master_fd < 0) {
ChardevReturn *ret,
Error **errp)
{
- ChardevHostdev *opts = backend->u.pipe;
+ ChardevHostdev *opts = backend->u.pipe.data;
const char *filename = opts->device;
CharDriverState *chr;
WinCharState *s;
ChardevReturn *ret,
Error **errp)
{
- ChardevCommon *common = backend->u.console;
+ ChardevCommon *common = backend->u.console.data;
return qemu_chr_open_win_file(GetStdHandle(STD_OUTPUT_HANDLE),
common, errp);
}
WinStdioCharState *stdio;
DWORD dwMode;
int is_console = 0;
- ChardevCommon *common = qapi_ChardevStdio_base(backend->u.stdio);
+ ChardevCommon *common = qapi_ChardevStdio_base(backend->u.stdio.data);
chr = qemu_chr_alloc(common, errp);
if (!chr) {
NULL);
}
+ if (ret == QIO_CHANNEL_ERR_BLOCK) {
+ errno = EAGAIN;
+ ret = -1;
+ } else if (ret == -1) {
+ errno = EIO;
+ }
+
if (msgfds_num) {
/* close and clean read_msgfds */
for (i = 0; i < s->read_msgfds_num; i++) {
} else {
tioc = qio_channel_tls_new_client(
s->ioc, s->tls_creds,
- s->addr->u.inet->host,
+ s->addr->u.inet.data->host,
&err);
}
if (tioc == NULL) {
s->sioc = sioc;
object_ref(OBJECT(sioc));
+ qio_channel_set_blocking(s->ioc, false, NULL);
+
if (s->do_nodelay) {
qio_channel_set_delay(s->ioc, false);
}
if (!sioc) {
return -1;
}
- qio_channel_set_blocking(QIO_CHANNEL(sioc), false, NULL);
ret = tcp_chr_new_client(chr, sioc);
object_unref(OBJECT(sioc));
return ret;
ChardevReturn *ret,
Error **errp)
{
- ChardevRingbuf *opts = backend->u.ringbuf;
+ ChardevRingbuf *opts = backend->u.ringbuf.data;
ChardevCommon *common = qapi_ChardevRingbuf_base(opts);
CharDriverState *chr;
RingBufCharDriver *d;
error_setg(errp, "chardev: file: no filename given");
return;
}
- file = backend->u.file = g_new0(ChardevFile, 1);
+ file = backend->u.file.data = g_new0(ChardevFile, 1);
qemu_chr_parse_common(opts, qapi_ChardevFile_base(file));
file->out = g_strdup(path);
{
ChardevStdio *stdio;
- stdio = backend->u.stdio = g_new0(ChardevStdio, 1);
+ stdio = backend->u.stdio.data = g_new0(ChardevStdio, 1);
qemu_chr_parse_common(opts, qapi_ChardevStdio_base(stdio));
stdio->has_signal = true;
stdio->signal = qemu_opt_get_bool(opts, "signal", true);
error_setg(errp, "chardev: serial/tty: no device path given");
return;
}
- serial = backend->u.serial = g_new0(ChardevHostdev, 1);
+ serial = backend->u.serial.data = g_new0(ChardevHostdev, 1);
qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(serial));
serial->device = g_strdup(device);
}
error_setg(errp, "chardev: parallel: no device path given");
return;
}
- parallel = backend->u.parallel = g_new0(ChardevHostdev, 1);
+ parallel = backend->u.parallel.data = g_new0(ChardevHostdev, 1);
qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(parallel));
parallel->device = g_strdup(device);
}
error_setg(errp, "chardev: pipe: no device path given");
return;
}
- dev = backend->u.pipe = g_new0(ChardevHostdev, 1);
+ dev = backend->u.pipe.data = g_new0(ChardevHostdev, 1);
qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(dev));
dev->device = g_strdup(device);
}
int val;
ChardevRingbuf *ringbuf;
- ringbuf = backend->u.ringbuf = g_new0(ChardevRingbuf, 1);
+ ringbuf = backend->u.ringbuf.data = g_new0(ChardevRingbuf, 1);
qemu_chr_parse_common(opts, qapi_ChardevRingbuf_base(ringbuf));
val = qemu_opt_get_size(opts, "size", 0);
error_setg(errp, "chardev: mux: no chardev given");
return;
}
- mux = backend->u.mux = g_new0(ChardevMux, 1);
+ mux = backend->u.mux.data = g_new0(ChardevMux, 1);
qemu_chr_parse_common(opts, qapi_ChardevMux_base(mux));
mux->chardev = g_strdup(chardev);
}
}
}
- sock = backend->u.socket = g_new0(ChardevSocket, 1);
+ sock = backend->u.socket.data = g_new0(ChardevSocket, 1);
qemu_chr_parse_common(opts, qapi_ChardevSocket_base(sock));
sock->has_nodelay = true;
if (path) {
UnixSocketAddress *q_unix;
addr->type = SOCKET_ADDRESS_KIND_UNIX;
- q_unix = addr->u.q_unix = g_new0(UnixSocketAddress, 1);
+ q_unix = addr->u.q_unix.data = g_new0(UnixSocketAddress, 1);
q_unix->path = g_strdup(path);
} else {
addr->type = SOCKET_ADDRESS_KIND_INET;
- addr->u.inet = g_new(InetSocketAddress, 1);
- *addr->u.inet = (InetSocketAddress) {
+ addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_to = qemu_opt_get(opts, "to"),
has_local = true;
}
- udp = backend->u.udp = g_new0(ChardevUdp, 1);
+ udp = backend->u.udp.data = g_new0(ChardevUdp, 1);
qemu_chr_parse_common(opts, qapi_ChardevUdp_base(udp));
addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_KIND_INET;
- addr->u.inet = g_new(InetSocketAddress, 1);
- *addr->u.inet = (InetSocketAddress) {
+ addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(host),
.port = g_strdup(port),
.has_ipv4 = qemu_opt_get(opts, "ipv4"),
udp->has_local = true;
addr = g_new0(SocketAddress, 1);
addr->type = SOCKET_ADDRESS_KIND_INET;
- addr->u.inet = g_new(InetSocketAddress, 1);
- *addr->u.inet = (InetSocketAddress) {
+ addr->u.inet.data = g_new(InetSocketAddress, 1);
+ *addr->u.inet.data = (InetSocketAddress) {
.host = g_strdup(localaddr),
.port = g_strdup(localport),
};
} else {
ChardevCommon *cc = g_new0(ChardevCommon, 1);
qemu_chr_parse_common(opts, cc);
- backend->u.null = cc; /* Any ChardevCommon member would work */
+ backend->u.null.data = cc; /* Any ChardevCommon member would work */
}
ret = qmp_chardev_add(bid ? bid : id, backend, errp);
qapi_free_ChardevBackend(backend);
qapi_free_ChardevReturn(ret);
backend = g_new0(ChardevBackend, 1);
- backend->u.mux = g_new0(ChardevMux, 1);
+ backend->u.mux.data = g_new0(ChardevMux, 1);
backend->type = CHARDEV_BACKEND_KIND_MUX;
- backend->u.mux->chardev = g_strdup(bid);
+ backend->u.mux.data->chardev = g_strdup(bid);
ret = qmp_chardev_add(id, backend, errp);
if (!ret) {
chr = qemu_chr_find(bid);
}
}
-int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond,
- GIOFunc func, void *user_data)
+guint qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond,
+ GIOFunc func, void *user_data)
{
GSource *src;
guint tag;
if (s->chr_add_watch == NULL) {
- return -ENOSYS;
+ return 0;
}
src = s->chr_add_watch(s, cond);
if (!src) {
- return -EINVAL;
+ return 0;
}
g_source_set_callback(src, (GSourceFunc)func, user_data, NULL);
s->avail_connections++;
}
+void qemu_chr_disconnect(CharDriverState *chr)
+{
+ if (chr->chr_disconnect) {
+ chr->chr_disconnect(chr);
+ }
+}
+
static void qemu_chr_free_common(CharDriverState *chr)
{
g_free(chr->filename);
return NULL;
}
-/* Get a character (serial) device interface. */
-CharDriverState *qemu_char_get_next_serial(void)
-{
- static int next_serial;
- CharDriverState *chr;
-
- /* FIXME: This function needs to go away: use chardev properties! */
-
- while (next_serial < MAX_SERIAL_PORTS && serial_hds[next_serial]) {
- chr = serial_hds[next_serial++];
- qemu_chr_fe_claim_no_fail(chr);
- return chr;
- }
- return NULL;
-}
-
QemuOptsList qemu_chardev_opts = {
.name = "chardev",
.implied_opt_name = "backend",
ChardevReturn *ret,
Error **errp)
{
- ChardevFile *file = backend->u.file;
+ ChardevFile *file = backend->u.file.data;
ChardevCommon *common = qapi_ChardevFile_base(file);
HANDLE out;
ChardevReturn *ret,
Error **errp)
{
- ChardevHostdev *serial = backend->u.serial;
+ ChardevHostdev *serial = backend->u.serial.data;
ChardevCommon *common = qapi_ChardevHostdev_base(serial);
return qemu_chr_open_win_path(serial->device, common, errp);
}
ChardevReturn *ret,
Error **errp)
{
- ChardevFile *file = backend->u.file;
+ ChardevFile *file = backend->u.file.data;
ChardevCommon *common = qapi_ChardevFile_base(file);
int flags, in = -1, out;
ChardevReturn *ret,
Error **errp)
{
- ChardevHostdev *serial = backend->u.serial;
+ ChardevHostdev *serial = backend->u.serial.data;
ChardevCommon *common = qapi_ChardevHostdev_base(serial);
int fd;
ChardevReturn *ret,
Error **errp)
{
- ChardevHostdev *parallel = backend->u.parallel;
+ ChardevHostdev *parallel = backend->u.parallel.data;
ChardevCommon *common = qapi_ChardevHostdev_base(parallel);
int fd;
{
CharDriverState *chr;
TCPCharDriver *s;
- ChardevSocket *sock = backend->u.socket;
+ ChardevSocket *sock = backend->u.socket.data;
SocketAddress *addr = sock->addr;
bool do_nodelay = sock->has_nodelay ? sock->nodelay : false;
bool is_listen = sock->has_server ? sock->server : true;
}
}
- qapi_copy_SocketAddress(&s->addr, sock->addr);
+ s->addr = QAPI_CLONE(SocketAddress, sock->addr);
chr->opaque = s;
chr->chr_write = tcp_chr_write;
chr->chr_sync_read = tcp_chr_sync_read;
chr->chr_close = tcp_chr_close;
+ chr->chr_disconnect = tcp_chr_disconnect;
chr->get_msgfds = tcp_get_msgfds;
chr->set_msgfds = tcp_set_msgfds;
chr->chr_add_client = tcp_chr_add_client;
ChardevReturn *ret,
Error **errp)
{
- ChardevUdp *udp = backend->u.udp;
+ ChardevUdp *udp = backend->u.udp.data;
ChardevCommon *common = qapi_ChardevUdp_base(udp);
QIOChannelSocket *sioc = qio_channel_socket_new();
qemu_chr_delete(chr);
}
+void qemu_chr_cleanup(void)
+{
+ CharDriverState *chr, *tmp;
+
+ QTAILQ_FOREACH_SAFE(chr, &chardevs, next, tmp) {
+ qemu_chr_delete(chr);
+ }
+}
+
static void register_types(void)
{
register_char_driver("null", CHARDEV_BACKEND_KIND_NULL, NULL,
projects / mirror_qemu.git / blobdiff