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-rw-r--r--chardev/Makefile.objs1
-rw-r--r--chardev/char-serial.c318
-rw-r--r--chardev/char-serial.h35
-rw-r--r--chardev/char.c278
4 files changed, 356 insertions, 276 deletions
diff --git a/chardev/Makefile.objs b/chardev/Makefile.objs
index b2c14fe795..45fc8af0c4 100644
--- a/chardev/Makefile.objs
+++ b/chardev/Makefile.objs
@@ -8,6 +8,7 @@ chardev-obj-y += char-null.o
chardev-obj-y += char-pipe.o
chardev-obj-$(CONFIG_POSIX) += char-pty.o
chardev-obj-y += char-ringbuf.o
+chardev-obj-y += char-serial.o
chardev-obj-y += char-socket.o
chardev-obj-y += char-stdio.o
chardev-obj-y += char-udp.o
diff --git a/chardev/char-serial.c b/chardev/char-serial.c
new file mode 100644
index 0000000000..094e08dca5
--- /dev/null
+++ b/chardev/char-serial.c
@@ -0,0 +1,318 @@
+/*
+ * 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 "qemu/osdep.h"
+#include "qemu/sockets.h"
+#include "io/channel-file.h"
+#include "qapi/error.h"
+
+#ifdef _WIN32
+#include "char-win.h"
+#else
+#include <sys/ioctl.h>
+#include <termios.h>
+#include "char-fd.h"
+#endif
+
+#include "char-serial.h"
+
+#ifdef _WIN32
+
+static void qmp_chardev_open_serial(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
+{
+ ChardevHostdev *serial = backend->u.serial.data;
+
+ win_chr_init(chr, serial->device, errp);
+}
+
+#elif defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
+ || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
+ || defined(__GLIBC__)
+
+static void tty_serial_init(int fd, int speed,
+ int parity, int data_bits, int stop_bits)
+{
+ struct termios tty;
+ speed_t spd;
+
+#if 0
+ printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
+ speed, parity, data_bits, stop_bits);
+#endif
+ tcgetattr(fd, &tty);
+
+#define check_speed(val) if (speed <= val) { spd = B##val; break; }
+ speed = speed * 10 / 11;
+ do {
+ check_speed(50);
+ check_speed(75);
+ check_speed(110);
+ check_speed(134);
+ check_speed(150);
+ check_speed(200);
+ check_speed(300);
+ check_speed(600);
+ check_speed(1200);
+ check_speed(1800);
+ check_speed(2400);
+ check_speed(4800);
+ check_speed(9600);
+ check_speed(19200);
+ check_speed(38400);
+ /* Non-Posix values follow. They may be unsupported on some systems. */
+ check_speed(57600);
+ check_speed(115200);
+#ifdef B230400
+ check_speed(230400);
+#endif
+#ifdef B460800
+ check_speed(460800);
+#endif
+#ifdef B500000
+ check_speed(500000);
+#endif
+#ifdef B576000
+ check_speed(576000);
+#endif
+#ifdef B921600
+ check_speed(921600);
+#endif
+#ifdef B1000000
+ check_speed(1000000);
+#endif
+#ifdef B1152000
+ check_speed(1152000);
+#endif
+#ifdef B1500000
+ check_speed(1500000);
+#endif
+#ifdef B2000000
+ check_speed(2000000);
+#endif
+#ifdef B2500000
+ check_speed(2500000);
+#endif
+#ifdef B3000000
+ check_speed(3000000);
+#endif
+#ifdef B3500000
+ check_speed(3500000);
+#endif
+#ifdef B4000000
+ check_speed(4000000);
+#endif
+ spd = B115200;
+ } while (0);
+
+ cfsetispeed(&tty, spd);
+ cfsetospeed(&tty, spd);
+
+ tty.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP
+ | INLCR | IGNCR | ICRNL | IXON);
+ tty.c_oflag |= OPOST;
+ tty.c_lflag &= ~(ECHO | ECHONL | ICANON | IEXTEN | ISIG);
+ tty.c_cflag &= ~(CSIZE | PARENB | PARODD | CRTSCTS | CSTOPB);
+ switch (data_bits) {
+ default:
+ case 8:
+ tty.c_cflag |= CS8;
+ break;
+ case 7:
+ tty.c_cflag |= CS7;
+ break;
+ case 6:
+ tty.c_cflag |= CS6;
+ break;
+ case 5:
+ tty.c_cflag |= CS5;
+ break;
+ }
+ switch (parity) {
+ default:
+ case 'N':
+ break;
+ case 'E':
+ tty.c_cflag |= PARENB;
+ break;
+ case 'O':
+ tty.c_cflag |= PARENB | PARODD;
+ break;
+ }
+ if (stop_bits == 2) {
+ tty.c_cflag |= CSTOPB;
+ }
+
+ tcsetattr(fd, TCSANOW, &tty);
+}
+
+static int tty_serial_ioctl(Chardev *chr, int cmd, void *arg)
+{
+ FDChardev *s = FD_CHARDEV(chr);
+ QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc_in);
+
+ switch (cmd) {
+ case CHR_IOCTL_SERIAL_SET_PARAMS:
+ {
+ QEMUSerialSetParams *ssp = arg;
+ tty_serial_init(fioc->fd,
+ ssp->speed, ssp->parity,
+ ssp->data_bits, ssp->stop_bits);
+ }
+ break;
+ case CHR_IOCTL_SERIAL_SET_BREAK:
+ {
+ int enable = *(int *)arg;
+ if (enable) {
+ tcsendbreak(fioc->fd, 1);
+ }
+ }
+ break;
+ case CHR_IOCTL_SERIAL_GET_TIOCM:
+ {
+ int sarg = 0;
+ int *targ = (int *)arg;
+ ioctl(fioc->fd, TIOCMGET, &sarg);
+ *targ = 0;
+ if (sarg & TIOCM_CTS) {
+ *targ |= CHR_TIOCM_CTS;
+ }
+ if (sarg & TIOCM_CAR) {
+ *targ |= CHR_TIOCM_CAR;
+ }
+ if (sarg & TIOCM_DSR) {
+ *targ |= CHR_TIOCM_DSR;
+ }
+ if (sarg & TIOCM_RI) {
+ *targ |= CHR_TIOCM_RI;
+ }
+ if (sarg & TIOCM_DTR) {
+ *targ |= CHR_TIOCM_DTR;
+ }
+ if (sarg & TIOCM_RTS) {
+ *targ |= CHR_TIOCM_RTS;
+ }
+ }
+ break;
+ case CHR_IOCTL_SERIAL_SET_TIOCM:
+ {
+ int sarg = *(int *)arg;
+ int targ = 0;
+ ioctl(fioc->fd, TIOCMGET, &targ);
+ targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
+ | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
+ if (sarg & CHR_TIOCM_CTS) {
+ targ |= TIOCM_CTS;
+ }
+ if (sarg & CHR_TIOCM_CAR) {
+ targ |= TIOCM_CAR;
+ }
+ if (sarg & CHR_TIOCM_DSR) {
+ targ |= TIOCM_DSR;
+ }
+ if (sarg & CHR_TIOCM_RI) {
+ targ |= TIOCM_RI;
+ }
+ if (sarg & CHR_TIOCM_DTR) {
+ targ |= TIOCM_DTR;
+ }
+ if (sarg & CHR_TIOCM_RTS) {
+ targ |= TIOCM_RTS;
+ }
+ ioctl(fioc->fd, TIOCMSET, &targ);
+ }
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ return 0;
+}
+
+static void qmp_chardev_open_serial(Chardev *chr,
+ ChardevBackend *backend,
+ bool *be_opened,
+ Error **errp)
+{
+ ChardevHostdev *serial = backend->u.serial.data;
+ int fd;
+
+ fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp);
+ if (fd < 0) {
+ return;
+ }
+ qemu_set_nonblock(fd);
+ tty_serial_init(fd, 115200, 'N', 8, 1);
+
+ qemu_chr_open_fd(chr, fd, fd);
+}
+#endif /* __linux__ || __sun__ */
+
+#ifdef HAVE_CHARDEV_SERIAL
+static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend,
+ Error **errp)
+{
+ const char *device = qemu_opt_get(opts, "path");
+ ChardevHostdev *serial;
+
+ if (device == NULL) {
+ error_setg(errp, "chardev: serial/tty: no device path given");
+ return;
+ }
+ backend->type = CHARDEV_BACKEND_KIND_SERIAL;
+ serial = backend->u.serial.data = g_new0(ChardevHostdev, 1);
+ qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(serial));
+ serial->device = g_strdup(device);
+}
+
+static void char_serial_class_init(ObjectClass *oc, void *data)
+{
+ ChardevClass *cc = CHARDEV_CLASS(oc);
+
+ cc->parse = qemu_chr_parse_serial;
+ cc->open = qmp_chardev_open_serial;
+#ifndef _WIN32
+ cc->chr_ioctl = tty_serial_ioctl;
+#endif
+}
+
+
+static const TypeInfo char_serial_type_info = {
+ .name = TYPE_CHARDEV_SERIAL,
+#ifdef _WIN32
+ .parent = TYPE_CHARDEV_WIN,
+#else
+ .parent = TYPE_CHARDEV_FD,
+#endif
+ .class_init = char_serial_class_init,
+};
+
+static void register_types(void)
+{
+ type_register_static(&char_serial_type_info);
+}
+
+type_init(register_types);
+
+#endif
diff --git a/chardev/char-serial.h b/chardev/char-serial.h
new file mode 100644
index 0000000000..64a27f63b1
--- /dev/null
+++ b/chardev/char-serial.h
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+#ifndef CHAR_SERIAL_H
+#define CHAR_SERIAL_H
+
+#ifdef _WIN32
+#define HAVE_CHARDEV_SERIAL 1
+#elif defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
+ || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
+ || defined(__GLIBC__)
+#define HAVE_CHARDEV_SERIAL 1
+#endif
+
+#endif
diff --git a/chardev/char.c b/chardev/char.c
index 6d4cb7c71e..faba68db21 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -36,7 +36,6 @@
#include "qapi-visit.h"
#include "qemu/base64.h"
#include "io/channel-socket.h"
-#include "io/channel-file.h"
#include "io/channel-tls.h"
#include "sysemu/replay.h"
#include "qemu/help_option.h"
@@ -46,7 +45,6 @@
#ifndef _WIN32
#include <sys/times.h>
#include <sys/wait.h>
-#include <termios.h>
#include <sys/ioctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
@@ -91,6 +89,7 @@
#ifdef _WIN32
#include "char-win.h"
#endif
+#include "char-serial.h"
/***********************************************************/
/* character device */
@@ -656,198 +655,6 @@ void qemu_chr_fe_take_focus(CharBackend *b)
#ifndef _WIN32
-#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
- || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
- || defined(__GLIBC__)
-
-#define HAVE_CHARDEV_SERIAL 1
-
-static void tty_serial_init(int fd, int speed,
- int parity, int data_bits, int stop_bits)
-{
- struct termios tty;
- speed_t spd;
-
-#if 0
- printf("tty_serial_init: speed=%d parity=%c data=%d stop=%d\n",
- speed, parity, data_bits, stop_bits);
-#endif
- tcgetattr (fd, &tty);
-
-#define check_speed(val) if (speed <= val) { spd = B##val; break; }
- speed = speed * 10 / 11;
- do {
- check_speed(50);
- check_speed(75);
- check_speed(110);
- check_speed(134);
- check_speed(150);
- check_speed(200);
- check_speed(300);
- check_speed(600);
- check_speed(1200);
- check_speed(1800);
- check_speed(2400);
- check_speed(4800);
- check_speed(9600);
- check_speed(19200);
- check_speed(38400);
- /* Non-Posix values follow. They may be unsupported on some systems. */
- check_speed(57600);
- check_speed(115200);
-#ifdef B230400
- check_speed(230400);
-#endif
-#ifdef B460800
- check_speed(460800);
-#endif
-#ifdef B500000
- check_speed(500000);
-#endif
-#ifdef B576000
- check_speed(576000);
-#endif
-#ifdef B921600
- check_speed(921600);
-#endif
-#ifdef B1000000
- check_speed(1000000);
-#endif
-#ifdef B1152000
- check_speed(1152000);
-#endif
-#ifdef B1500000
- check_speed(1500000);
-#endif
-#ifdef B2000000
- check_speed(2000000);
-#endif
-#ifdef B2500000
- check_speed(2500000);
-#endif
-#ifdef B3000000
- check_speed(3000000);
-#endif
-#ifdef B3500000
- check_speed(3500000);
-#endif
-#ifdef B4000000
- check_speed(4000000);
-#endif
- spd = B115200;
- } while (0);
-
- cfsetispeed(&tty, spd);
- cfsetospeed(&tty, spd);
-
- tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
- |INLCR|IGNCR|ICRNL|IXON);
- tty.c_oflag |= OPOST;
- tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN|ISIG);
- tty.c_cflag &= ~(CSIZE|PARENB|PARODD|CRTSCTS|CSTOPB);
- switch(data_bits) {
- default:
- case 8:
- tty.c_cflag |= CS8;
- break;
- case 7:
- tty.c_cflag |= CS7;
- break;
- case 6:
- tty.c_cflag |= CS6;
- break;
- case 5:
- tty.c_cflag |= CS5;
- break;
- }
- switch(parity) {
- default:
- case 'N':
- break;
- case 'E':
- tty.c_cflag |= PARENB;
- break;
- case 'O':
- tty.c_cflag |= PARENB | PARODD;
- break;
- }
- if (stop_bits == 2)
- tty.c_cflag |= CSTOPB;
-
- tcsetattr (fd, TCSANOW, &tty);
-}
-
-static int tty_serial_ioctl(Chardev *chr, int cmd, void *arg)
-{
- FDChardev *s = FD_CHARDEV(chr);
- QIOChannelFile *fioc = QIO_CHANNEL_FILE(s->ioc_in);
-
- switch(cmd) {
- case CHR_IOCTL_SERIAL_SET_PARAMS:
- {
- QEMUSerialSetParams *ssp = arg;
- tty_serial_init(fioc->fd,
- ssp->speed, ssp->parity,
- ssp->data_bits, ssp->stop_bits);
- }
- break;
- case CHR_IOCTL_SERIAL_SET_BREAK:
- {
- int enable = *(int *)arg;
- if (enable) {
- tcsendbreak(fioc->fd, 1);
- }
- }
- break;
- case CHR_IOCTL_SERIAL_GET_TIOCM:
- {
- int sarg = 0;
- int *targ = (int *)arg;
- ioctl(fioc->fd, TIOCMGET, &sarg);
- *targ = 0;
- if (sarg & TIOCM_CTS)
- *targ |= CHR_TIOCM_CTS;
- if (sarg & TIOCM_CAR)
- *targ |= CHR_TIOCM_CAR;
- if (sarg & TIOCM_DSR)
- *targ |= CHR_TIOCM_DSR;
- if (sarg & TIOCM_RI)
- *targ |= CHR_TIOCM_RI;
- if (sarg & TIOCM_DTR)
- *targ |= CHR_TIOCM_DTR;
- if (sarg & TIOCM_RTS)
- *targ |= CHR_TIOCM_RTS;
- }
- break;
- case CHR_IOCTL_SERIAL_SET_TIOCM:
- {
- int sarg = *(int *)arg;
- int targ = 0;
- ioctl(fioc->fd, TIOCMGET, &targ);
- targ &= ~(CHR_TIOCM_CTS | CHR_TIOCM_CAR | CHR_TIOCM_DSR
- | CHR_TIOCM_RI | CHR_TIOCM_DTR | CHR_TIOCM_RTS);
- if (sarg & CHR_TIOCM_CTS)
- targ |= TIOCM_CTS;
- if (sarg & CHR_TIOCM_CAR)
- targ |= TIOCM_CAR;
- if (sarg & CHR_TIOCM_DSR)
- targ |= TIOCM_DSR;
- if (sarg & CHR_TIOCM_RI)
- targ |= TIOCM_RI;
- if (sarg & CHR_TIOCM_DTR)
- targ |= TIOCM_DTR;
- if (sarg & CHR_TIOCM_RTS)
- targ |= TIOCM_RTS;
- ioctl(fioc->fd, TIOCMSET, &targ);
- }
- break;
- default:
- return -ENOTSUP;
- }
- return 0;
-}
-#endif /* __linux__ || __sun__ */
-
#if defined(__linux__)
#define HAVE_CHARDEV_PARPORT 1
@@ -1036,10 +843,6 @@ static void qemu_chr_open_pp_fd(Chardev *chr,
}
#endif
-#else /* _WIN32 */
-
-#define HAVE_CHARDEV_SERIAL 1
-
#endif /* !_WIN32 */
int qemu_chr_wait_connected(Chardev *chr, Error **errp)
@@ -1216,24 +1019,6 @@ void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend)
backend->logappend = qemu_opt_get_bool(opts, "logappend", false);
}
-#ifdef HAVE_CHARDEV_SERIAL
-static void qemu_chr_parse_serial(QemuOpts *opts, ChardevBackend *backend,
- Error **errp)
-{
- const char *device = qemu_opt_get(opts, "path");
- ChardevHostdev *serial;
-
- backend->type = CHARDEV_BACKEND_KIND_SERIAL;
- if (device == NULL) {
- error_setg(errp, "chardev: serial/tty: no device path given");
- return;
- }
- serial = backend->u.serial.data = g_new0(ChardevHostdev, 1);
- qemu_chr_parse_common(opts, qapi_ChardevHostdev_base(serial));
- serial->device = g_strdup(device);
-}
-#endif
-
#ifdef HAVE_CHARDEV_PARPORT
static void qemu_chr_parse_parallel(QemuOpts *opts, ChardevBackend *backend,
Error **errp)
@@ -1699,39 +1484,7 @@ QemuOptsList qemu_chardev_opts = {
},
};
-#ifdef _WIN32
-
-static void qmp_chardev_open_serial(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- ChardevHostdev *serial = backend->u.serial.data;
-
- win_chr_init(chr, serial->device, errp);
-}
-
-#else /* WIN32 */
-
-#ifdef HAVE_CHARDEV_SERIAL
-static void qmp_chardev_open_serial(Chardev *chr,
- ChardevBackend *backend,
- bool *be_opened,
- Error **errp)
-{
- ChardevHostdev *serial = backend->u.serial.data;
- int fd;
-
- fd = qmp_chardev_open_file_source(serial->device, O_RDWR, errp);
- if (fd < 0) {
- return;
- }
- qemu_set_nonblock(fd);
- tty_serial_init(fd, 115200, 'N', 8, 1);
-
- qemu_chr_open_fd(chr, fd, fd);
-}
-#endif
+#ifndef _WIN32
#ifdef HAVE_CHARDEV_PARPORT
static void qmp_chardev_open_parallel(Chardev *chr,
@@ -1789,30 +1542,6 @@ static const TypeInfo char_parallel_type_info = {
#endif /* WIN32 */
-#ifdef HAVE_CHARDEV_SERIAL
-
-static void char_serial_class_init(ObjectClass *oc, void *data)
-{
- ChardevClass *cc = CHARDEV_CLASS(oc);
-
- cc->parse = qemu_chr_parse_serial;
- cc->open = qmp_chardev_open_serial;
-#ifndef _WIN32
- cc->chr_ioctl = tty_serial_ioctl;
-#endif
-}
-
-static const TypeInfo char_serial_type_info = {
- .name = TYPE_CHARDEV_SERIAL,
-#ifdef _WIN32
- .parent = TYPE_CHARDEV_WIN,
-#else
- .parent = TYPE_CHARDEV_FD,
-#endif
- .class_init = char_serial_class_init,
-};
-#endif
-
bool qemu_chr_has_feature(Chardev *chr,
ChardevFeature feature)
{
@@ -1914,9 +1643,6 @@ void qemu_chr_cleanup(void)
static void register_types(void)
{
type_register_static(&char_type_info);
-#ifdef HAVE_CHARDEV_SERIAL
- type_register_static(&char_serial_type_info);
-#endif
#ifdef HAVE_CHARDEV_PARPORT
type_register_static(&char_parallel_type_info);
#endif
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-29 04:12:12 +0000