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chardev: add support for qapi-based chardev initialization

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This patch add support for a new way to initialize chardev devices.
Instead of calling a initialization function with a QemuOpts we will
now create a (qapi) ChardevBackend, optionally call a function to
fill ChardevBackend from QemuOpts, then go create the chardev using
the new qapi code path which is also used by chardev-add.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-02-21 11:39:12 +01:00
parent 8ca761f661
commit 2c5f488293
2 changed files with 45 additions and 0 deletions
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2
include/char/char.h
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@ -245,6 +245,8 @@ CharDriverState *qemu_chr_find(const char *name);
QemuOpts *qemu_chr_parse_compat(const char *label, const char *filename);
void register_char_driver(const char *name, CharDriverState *(*open)(QemuOpts *));
void register_char_driver_qapi(const char *name, int kind,
void (*parse)(QemuOpts *opts, ChardevBackend *backend, Error **errp));
/* add an eventfd to the qemu devices that are polled */
CharDriverState *qemu_chr_open_eventfd(int eventfd);