qemu-char: introduce qemu_chr_alloc

The next patch will modify this function to initialize state that is
common to all backends.

Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index 672ed39a31..bd2b62d21a 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -89,6 +89,15 @@ struct CharDriverState {
 };
 
 /**
+ * @qemu_chr_alloc:
+ *
+ * Allocate and initialize a new CharDriverState.
+ *
+ * Returns: a newly allocated CharDriverState.
+ */
+CharDriverState *qemu_chr_alloc(void);
+
+/**
  * @qemu_chr_new_from_opts:
  *
  * Create a new character backend from a QemuOpts list.