diff options
Diffstat (limited to 'include/sysemu')
-rw-r--r-- | include/sysemu/char.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 36b5d30890..c518c2ff01 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -72,6 +72,12 @@ typedef enum { QEMU_CHAR_FEATURE_LAST, } CharDriverFeature; +/* This is the backend as seen by frontend, the actual backend is + * CharDriverState */ +typedef struct CharBackend { + CharDriverState *chr; + int tag; +} CharBackend; struct CharDriverState { QemuMutex chr_write_lock; @@ -156,6 +162,8 @@ void qemu_chr_parse_common(QemuOpts *opts, ChardevCommon *backend); * Returns: a new character backend */ CharDriverState *qemu_chr_new(const char *label, const char *filename); + + /** * @qemu_chr_disconnect: * @@ -425,6 +433,48 @@ void qemu_chr_be_write_impl(CharDriverState *s, uint8_t *buf, int len); */ void qemu_chr_be_event(CharDriverState *s, int event); +/** + * @qemu_chr_fe_init: + * + * Initializes a front end for the given CharBackend and CharDriver. + * + * Returns: false on error. + */ +bool qemu_chr_fe_init(CharBackend *b, CharDriverState *s, Error **errp); + +/** + * @qemu_chr_fe_get_driver: + * + * Returns the driver associated with a CharBackend or NULL. + */ +CharDriverState *qemu_chr_fe_get_driver(CharBackend *be); + +/** + * @qemu_chr_fe_set_handlers: + * @b: a CharBackend + * @fd_can_read: callback to get the amount of data the frontend may + * receive + * @fd_read: callback to receive data from char + * @fd_event: event callback + * @opaque: an opaque pointer for the callbacks + * @context: a main loop context or NULL for the default + * + * Set the front end char handlers. + */ +void qemu_chr_fe_set_handlers(CharBackend *b, + IOCanReadHandler *fd_can_read, + IOReadHandler *fd_read, + IOEventHandler *fd_event, + void *opaque, + GMainContext *context); + +/** + * @qemu_chr_fe_take_focus: + * + * Take the focus (if the front end is muxed) + */ +void qemu_chr_fe_take_focus(CharBackend *b); + void qemu_chr_add_handlers(CharDriverState *s, IOCanReadHandler *fd_can_read, IOReadHandler *fd_read, |