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char: introduce generic qemu_chr_get_kind()

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This allows to remove the "is_mux" field from CharDriverState.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-10-21 22:38:41 +03:00 • committed by Paolo Bonzini
parent acbfbe4a06
commit ad5c679c7f
3 changed files with 24 additions and 14 deletions
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15
include/sysemu/char.h
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@ -96,7 +96,6 @@ struct CharDriverState {
char *filename;
int logfd;
int be_open;
int is_mux;
guint fd_in_tag;
bool replay;
DECLARE_BITMAP(features, QEMU_CHAR_FEATURE_LAST);
@ -455,7 +454,19 @@ void qemu_chr_be_generic_open(CharDriverState *s);
void qemu_chr_fe_accept_input(CharBackend *be);
int qemu_chr_add_client(CharDriverState *s, int fd);
CharDriverState *qemu_chr_find(const char *name);
bool chr_is_ringbuf(const CharDriverState *chr);
/**
* @qemu_chr_get_kind:
*
* Returns the kind of char backend, or -1 if unspecified.
*/
ChardevBackendKind qemu_chr_get_kind(const CharDriverState *chr);
static inline bool qemu_chr_is_ringbuf(const CharDriverState *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(CharDriverState *chr,
CharDriverFeature feature);