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-rw-r--r--include/sysemu/char.h69
1 files changed, 24 insertions, 45 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index da0e7dd494..450881d42c 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -2,12 +2,7 @@
#define QEMU_CHAR_H
#include "qemu-common.h"
-#include "qemu/queue.h"
#include "qemu/option.h"
-#include "qemu/config-file.h"
-#include "block/aio.h"
-#include "qapi/qmp/qobject.h"
-#include "qapi/qmp/qstring.h"
#include "qemu/main-loop.h"
#include "qemu/bitmap.h"
#include "qom/object.h"
@@ -22,6 +17,7 @@ typedef enum {
CHR_EVENT_CLOSED /* connection closed */
} QEMUChrEvent;
+#define CHR_READ_BUF_LEN 4096
#define CHR_IOCTL_SERIAL_SET_PARAMS 1
typedef struct {
@@ -74,7 +70,7 @@ typedef enum {
QEMU_CHAR_FEATURE_REPLAY,
QEMU_CHAR_FEATURE_LAST,
-} CharDriverFeature;
+} ChardevFeature;
/* This is the backend as seen by frontend, the actual backend is
* Chardev */
@@ -88,8 +84,6 @@ typedef struct CharBackend {
int fe_open;
} CharBackend;
-typedef struct CharDriver CharDriver;
-
struct Chardev {
Object parent_obj;
@@ -143,7 +137,7 @@ Chardev *qemu_chr_new(const char *label, const char *filename);
* @qemu_chr_fe_disconnect:
*
* Close a fd accpeted by character backend.
- * Without associated CharDriver, do nothing.
+ * Without associated Chardev, do nothing.
*/
void qemu_chr_fe_disconnect(CharBackend *be);
@@ -158,7 +152,7 @@ void qemu_chr_cleanup(void);
* @qemu_chr_fe_wait_connected:
*
* Wait for characted backend to be connected, return < 0 on error or
- * if no assicated CharDriver.
+ * if no assicated Chardev.
*/
int qemu_chr_fe_wait_connected(CharBackend *be, Error **errp);
@@ -185,19 +179,12 @@ Chardev *qemu_chr_new_noreplay(const char *label, const char *filename);
void qemu_chr_delete(Chardev *chr);
/**
- * @qemu_chr_free:
- *
- * Destroy a character backend.
- */
-void qemu_chr_free(Chardev *chr);
-
-/**
* @qemu_chr_fe_set_echo:
*
* Ask the backend to override its normal echo setting. This only really
* applies to the stdio backend and is used by the QMP server such that you
* can see what you type if you try to type QMP commands.
- * Without associated CharDriver, do nothing.
+ * Without associated Chardev, do nothing.
*
* @echo true to enable echo, false to disable echo
*/
@@ -208,7 +195,7 @@ void qemu_chr_fe_set_echo(CharBackend *be, bool echo);
*
* Set character frontend open status. This is an indication that the
* front end is ready (or not) to begin doing I/O.
- * Without associated CharDriver, do nothing.
+ * Without associated Chardev, do nothing.
*/
void qemu_chr_fe_set_open(CharBackend *be, int fe_open);
@@ -217,7 +204,7 @@ void qemu_chr_fe_set_open(CharBackend *be, int fe_open);
*
* Write to a character backend using a printf style interface. This
* function is thread-safe. It does nothing without associated
- * CharDriver.
+ * Chardev.
*
* @fmt see #printf
*/
@@ -230,7 +217,7 @@ void qemu_chr_fe_printf(CharBackend *be, const char *fmt, ...)
* If the backend is connected, create and add a #GSource that fires
* when the given condition (typically G_IO_OUT|G_IO_HUP or G_IO_HUP)
* is active; return the #GSource's tag. If it is disconnected,
- * or without associated CharDriver, return 0.
+ * or without associated Chardev, return 0.
*
* @cond the condition to poll for
* @func the function to call when the condition happens
@@ -251,7 +238,7 @@ guint qemu_chr_fe_add_watch(CharBackend *be, GIOCondition cond,
* @buf the data
* @len the number of bytes to send
*
- * Returns: the number of bytes consumed (0 if no assicated CharDriver)
+ * Returns: the number of bytes consumed (0 if no assicated Chardev)
*/
int qemu_chr_fe_write(CharBackend *be, const uint8_t *buf, int len);
@@ -266,7 +253,7 @@ int qemu_chr_fe_write(CharBackend *be, const uint8_t *buf, int len);
* @buf the data
* @len the number of bytes to send
*
- * Returns: the number of bytes consumed (0 if no assicated CharDriver)
+ * Returns: the number of bytes consumed (0 if no assicated Chardev)
*/
int qemu_chr_fe_write_all(CharBackend *be, const uint8_t *buf, int len);
@@ -278,7 +265,7 @@ int qemu_chr_fe_write_all(CharBackend *be, const uint8_t *buf, int len);
* @buf the data buffer
* @len the number of bytes to read
*
- * Returns: the number of bytes read (0 if no assicated CharDriver)
+ * Returns: the number of bytes read (0 if no assicated Chardev)
*/
int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len);
@@ -291,7 +278,7 @@ int qemu_chr_fe_read_all(CharBackend *be, uint8_t *buf, int len);
* @arg the data associated with @cmd
*
* Returns: if @cmd is not supported by the backend or there is no
- * associated CharDriver, -ENOTSUP, otherwise the return
+ * associated Chardev, -ENOTSUP, otherwise the return
* value depends on the semantics of @cmd
*/
int qemu_chr_fe_ioctl(CharBackend *be, int cmd, void *arg);
@@ -331,7 +318,7 @@ int qemu_chr_fe_get_msgfds(CharBackend *be, int *fds, int num);
* result in overwriting the fd array with the new value without being send.
* Upon writing the message the fd array is freed.
*
- * Returns: -1 if fd passing isn't supported or no associated CharDriver.
+ * Returns: -1 if fd passing isn't supported or no associated Chardev.
*/
int qemu_chr_fe_set_msgfds(CharBackend *be, int *fds, int num);
@@ -382,7 +369,7 @@ void qemu_chr_be_event(Chardev *s, int event);
* @qemu_chr_fe_init:
*
* Initializes a front end for the given CharBackend and
- * CharDriver. Call qemu_chr_fe_deinit() to remove the association and
+ * Chardev. Call qemu_chr_fe_deinit() to remove the association and
* release the driver.
*
* Returns: false on error.
@@ -393,16 +380,16 @@ bool qemu_chr_fe_init(CharBackend *b, Chardev *s, Error **errp);
* @qemu_chr_fe_get_driver:
*
* Returns the driver associated with a CharBackend or NULL if no
- * associated CharDriver.
+ * associated Chardev.
*/
Chardev *qemu_chr_fe_get_driver(CharBackend *be);
/**
* @qemu_chr_fe_deinit:
*
- * Dissociate the CharBackend from the CharDriver.
+ * Dissociate the CharBackend from the Chardev.
*
- * Safe to call without associated CharDriver.
+ * Safe to call without associated Chardev.
*/
void qemu_chr_fe_deinit(CharBackend *b);
@@ -421,7 +408,7 @@ void qemu_chr_fe_deinit(CharBackend *b);
* Set the front end char handlers. The front end takes the focus if
* any of the handler is non-NULL.
*
- * Without associated CharDriver, nothing is changed.
+ * Without associated Chardev, nothing is changed.
*/
void qemu_chr_fe_set_handlers(CharBackend *b,
IOCanReadHandler *fd_can_read,
@@ -436,7 +423,7 @@ void qemu_chr_fe_set_handlers(CharBackend *b,
*
* Take the focus (if the front end is muxed).
*
- * Without associated CharDriver, nothing is changed.
+ * Without associated Chardev, nothing is changed.
*/
void qemu_chr_fe_take_focus(CharBackend *b);
@@ -446,10 +433,12 @@ int qemu_chr_add_client(Chardev *s, int fd);
Chardev *qemu_chr_find(const char *name);
bool qemu_chr_has_feature(Chardev *chr,
- CharDriverFeature feature);
+ ChardevFeature feature);
void qemu_chr_set_feature(Chardev *chr,
- CharDriverFeature feature);
+ ChardevFeature feature);
QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename);
+int qemu_chr_write_all(Chardev *s, const uint8_t *buf, int len);
+int qemu_chr_wait_connected(Chardev *chr, Error **errp);
#define TYPE_CHARDEV "chardev"
#define CHARDEV(obj) OBJECT_CHECK(Chardev, (obj), TYPE_CHARDEV)
@@ -472,8 +461,6 @@ QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename);
#define TYPE_CHARDEV_SOCKET "chardev-socket"
#define TYPE_CHARDEV_UDP "chardev-udp"
-#define CHARDEV_IS_MUX(chr) \
- object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_MUX)
#define CHARDEV_IS_RINGBUF(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_RINGBUF)
#define CHARDEV_IS_PTY(chr) \
@@ -483,6 +470,7 @@ typedef struct ChardevClass {
ObjectClass parent_class;
bool internal; /* TODO: eventually use TYPE_USER_CREATABLE */
+ void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
void (*open)(Chardev *chr, ChardevBackend *backend,
bool *be_opened, Error **errp);
@@ -496,24 +484,15 @@ typedef struct ChardevClass {
int (*set_msgfds)(Chardev *s, int *fds, int num);
int (*chr_add_client)(Chardev *chr, int fd);
int (*chr_wait_connected)(Chardev *chr, Error **errp);
- void (*chr_free)(Chardev *chr);
void (*chr_disconnect)(Chardev *chr);
void (*chr_accept_input)(Chardev *chr);
void (*chr_set_echo)(Chardev *chr, bool echo);
void (*chr_set_fe_open)(Chardev *chr, int fe_open);
} ChardevClass;
-struct CharDriver {
- ChardevBackendKind kind;
- const char *alias;
- void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
-};
-
Chardev *qemu_chardev_new(const char *id, const char *typename,
ChardevBackend *backend, Error **errp);
-void register_char_driver(const CharDriver *driver);
-
extern int term_escape_char;
/* console.c */
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-24 05:14:00 +0000