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-rw-r--r--include/sysemu/char.h107
1 files changed, 58 insertions, 49 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index baa9e8f17e..da0e7dd494 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -10,6 +10,7 @@
#include "qapi/qmp/qstring.h"
#include "qemu/main-loop.h"
#include "qemu/bitmap.h"
+#include "qom/object.h"
/* character device */
@@ -90,7 +91,8 @@ typedef struct CharBackend {
typedef struct CharDriver CharDriver;
struct Chardev {
- const CharDriver *driver;
+ Object parent_obj;
+
QemuMutex chr_write_lock;
CharBackend *be;
char *label;
@@ -103,18 +105,6 @@ struct Chardev {
};
/**
- * qemu_chr_alloc:
- * @backend: the common backend config
- * @errp: pointer to a NULL-initialized error object
- *
- * Allocate and initialize a new Chardev.
- *
- * Returns: a newly allocated Chardev, or NULL on error.
- */
-Chardev *qemu_chr_alloc(const CharDriver *driver,
- ChardevCommon *backend, Error **errp);
-
-/**
* @qemu_chr_new_from_opts:
*
* Create a new character backend from a QemuOpts list.
@@ -455,54 +445,73 @@ void qemu_chr_fe_accept_input(CharBackend *be);
int qemu_chr_add_client(Chardev *s, int fd);
Chardev *qemu_chr_find(const char *name);
-/**
- * @qemu_chr_get_kind:
- *
- * Returns the kind of char backend, or -1 if unspecified.
- */
-ChardevBackendKind qemu_chr_get_kind(const Chardev *chr);
-
-static inline bool qemu_chr_is_ringbuf(const Chardev *chr)
-{
- return qemu_chr_get_kind(chr) == CHARDEV_BACKEND_KIND_RINGBUF ||
- qemu_chr_get_kind(chr) == CHARDEV_BACKEND_KIND_MEMORY;
-}
-
bool qemu_chr_has_feature(Chardev *chr,
CharDriverFeature feature);
void qemu_chr_set_feature(Chardev *chr,
CharDriverFeature feature);
QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename);
+#define TYPE_CHARDEV "chardev"
+#define CHARDEV(obj) OBJECT_CHECK(Chardev, (obj), TYPE_CHARDEV)
+#define CHARDEV_CLASS(klass) \
+ OBJECT_CLASS_CHECK(ChardevClass, (klass), TYPE_CHARDEV)
+#define CHARDEV_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(ChardevClass, (obj), TYPE_CHARDEV)
+
+#define TYPE_CHARDEV_NULL "chardev-null"
+#define TYPE_CHARDEV_MUX "chardev-mux"
+#define TYPE_CHARDEV_RINGBUF "chardev-ringbuf"
+#define TYPE_CHARDEV_PTY "chardev-pty"
+#define TYPE_CHARDEV_CONSOLE "chardev-console"
+#define TYPE_CHARDEV_STDIO "chardev-stdio"
+#define TYPE_CHARDEV_PIPE "chardev-pipe"
+#define TYPE_CHARDEV_MEMORY "chardev-memory"
+#define TYPE_CHARDEV_PARALLEL "chardev-parallel"
+#define TYPE_CHARDEV_FILE "chardev-file"
+#define TYPE_CHARDEV_SERIAL "chardev-serial"
+#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) \
+ object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_PTY)
+
+typedef struct ChardevClass {
+ ObjectClass parent_class;
+
+ bool internal; /* TODO: eventually use TYPE_USER_CREATABLE */
+
+ void (*open)(Chardev *chr, ChardevBackend *backend,
+ bool *be_opened, Error **errp);
+
+ int (*chr_write)(Chardev *s, const uint8_t *buf, int len);
+ int (*chr_sync_read)(Chardev *s, const uint8_t *buf, int len);
+ GSource *(*chr_add_watch)(Chardev *s, GIOCondition cond);
+ void (*chr_update_read_handler)(Chardev *s, GMainContext *context);
+ int (*chr_ioctl)(Chardev *s, int cmd, void *arg);
+ int (*get_msgfds)(Chardev *s, int* fds, int num);
+ 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 *(*create)(const CharDriver *driver,
- const char *id,
- ChardevBackend *backend,
- ChardevReturn *ret, bool *be_opened,
- Error **errp);
- size_t instance_size;
-
- int (*chr_write)(struct Chardev *s, const uint8_t *buf, int len);
- int (*chr_sync_read)(struct Chardev *s,
- const uint8_t *buf, int len);
- GSource *(*chr_add_watch)(struct Chardev *s, GIOCondition cond);
- void (*chr_update_read_handler)(struct Chardev *s,
- GMainContext *context);
- int (*chr_ioctl)(struct Chardev *s, int cmd, void *arg);
- int (*get_msgfds)(struct Chardev *s, int* fds, int num);
- int (*set_msgfds)(struct Chardev *s, int *fds, int num);
- int (*chr_add_client)(struct Chardev *chr, int fd);
- int (*chr_wait_connected)(struct Chardev *chr, Error **errp);
- void (*chr_free)(struct Chardev *chr);
- void (*chr_disconnect)(struct Chardev *chr);
- void (*chr_accept_input)(struct Chardev *chr);
- void (*chr_set_echo)(struct Chardev *chr, bool echo);
- void (*chr_set_fe_open)(struct Chardev *chr, int fe_open);
};
+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;