On Fri, Jul 23, 2021 at 02:28:25PM +0400, marcandre.lur...@redhat.com wrote:
> From: Marc-André Lureau <marcandre.lur...@redhat.com>
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
> include/chardev/char.h | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/include/chardev/char.h b/include/chardev/char.h
> index 589e7fe46d..2e4c16f82f 100644
> --- a/include/chardev/char.h
> +++ b/include/chardev/char.h
> @@ -254,24 +254,57 @@ struct ChardevClass {
>
> bool internal; /* TODO: eventually use TYPE_USER_CREATABLE */
> bool supports_yank;
> +
> + /* parse command line options and populate QAPI @backend */
> void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp);
>
> + /* called after construction, open/starts the backend */
> void (*open)(Chardev *chr, ChardevBackend *backend,
> bool *be_opened, Error **errp);
>
> + /* write buf to the backend */
> int (*chr_write)(Chardev *s, const uint8_t *buf, int len);
> +
> + /*
> + * Read from the backend (blocking). A typical front-end will instead
> rely
> + * on char_can_read/chr_read being called when polling/looping.
> + */
chr_can_read
> int (*chr_sync_read)(Chardev *s, const uint8_t *buf, int len);
> +
> + /* create a watch on the backend */
> GSource *(*chr_add_watch)(Chardev *s, GIOCondition cond);
> +
> + /* update the backend internal sources */
> void (*chr_update_read_handler)(Chardev *s);
> +
> + /* send an ioctl to the backend */
> int (*chr_ioctl)(Chardev *s, int cmd, void *arg);
> +
> + /* get ancillary-received fds during last read */
> int (*get_msgfds)(Chardev *s, int* fds, int num);
> +
> + /* set ancillary fds to be sent with next write */
> int (*set_msgfds)(Chardev *s, int *fds, int num);
> +
> + /* accept the given fd */
> int (*chr_add_client)(Chardev *chr, int fd);
> +
> + /* wait for a connection */
> int (*chr_wait_connected)(Chardev *chr, Error **errp);
> +
> + /* disconnect a connection */
> void (*chr_disconnect)(Chardev *chr);
> +
> + /* called by frontend when it can read */
> void (*chr_accept_input)(Chardev *chr);
> +
> + /* set terminal echo */
> void (*chr_set_echo)(Chardev *chr, bool echo);
> +
> + /* notify the backend of frontend open state */
> void (*chr_set_fe_open)(Chardev *chr, int fe_open);
> +
> + /* handle various events */
> void (*chr_be_event)(Chardev *s, QEMUChrEvent event);
> };
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
Regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
