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-rw-r--r--include/sysemu/char.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index 1e1f5c7b2b..1a65798e3e 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -22,6 +22,7 @@ typedef enum {
CHR_EVENT_CLOSED /* connection closed */
} QEMUChrEvent;
+#define CHR_READ_BUF_LEN 4096
#define CHR_IOCTL_SERIAL_SET_PARAMS 1
typedef struct {