diff --git a/qemu-char.h b/qemu-char.h
new file mode 100644
index 0000000..439e2c8
--- /dev/null
+++ b/qemu-char.h
@@ -0,0 +1,90 @@
+#ifndef QEMU_CHAR_H
+#define QEMU_CHAR_H
+
+#include "qemu-common.h"
+
+/* character device */
+
+#define CHR_EVENT_BREAK 0 /* serial break char */
+#define CHR_EVENT_FOCUS 1 /* focus to this terminal (modal input needed) */
+#define CHR_EVENT_RESET 2 /* new connection established */
+
+
+#define CHR_IOCTL_SERIAL_SET_PARAMS   1
+typedef struct {
+    int speed;
+    int parity;
+    int data_bits;
+    int stop_bits;
+} QEMUSerialSetParams;
+
+#define CHR_IOCTL_SERIAL_SET_BREAK    2
+
+#define CHR_IOCTL_PP_READ_DATA        3
+#define CHR_IOCTL_PP_WRITE_DATA       4
+#define CHR_IOCTL_PP_READ_CONTROL     5
+#define CHR_IOCTL_PP_WRITE_CONTROL    6
+#define CHR_IOCTL_PP_READ_STATUS      7
+#define CHR_IOCTL_PP_EPP_READ_ADDR    8
+#define CHR_IOCTL_PP_EPP_READ         9
+#define CHR_IOCTL_PP_EPP_WRITE_ADDR  10
+#define CHR_IOCTL_PP_EPP_WRITE       11
+#define CHR_IOCTL_PP_DATA_DIR        12
+
+#define CHR_IOCTL_SERIAL_SET_TIOCM   13
+#define CHR_IOCTL_SERIAL_GET_TIOCM   14
+
+#define CHR_TIOCM_CTS	0x020
+#define CHR_TIOCM_CAR	0x040
+#define CHR_TIOCM_DSR	0x100
+#define CHR_TIOCM_RI	0x080
+#define CHR_TIOCM_DTR	0x002
+#define CHR_TIOCM_RTS	0x004
+
+typedef void IOEventHandler(void *opaque, int event);
+
+struct CharDriverState {
+    int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len);
+    void (*chr_update_read_handler)(struct CharDriverState *s);
+    int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg);
+    IOEventHandler *chr_event;
+    IOCanRWHandler *chr_can_read;
+    IOReadHandler *chr_read;
+    void *handler_opaque;
+    void (*chr_send_event)(struct CharDriverState *chr, int event);
+    void (*chr_close)(struct CharDriverState *chr);
+    void (*chr_accept_input)(struct CharDriverState *chr);
+    void *opaque;
+    int focus;
+    QEMUBH *bh;
+};
+
+CharDriverState *qemu_chr_open(const char *filename);
+void qemu_chr_close(CharDriverState *chr);
+void qemu_chr_printf(CharDriverState *s, const char *fmt, ...);
+int qemu_chr_write(CharDriverState *s, const uint8_t *buf, int len);
+void qemu_chr_send_event(CharDriverState *s, int event);
+void qemu_chr_add_handlers(CharDriverState *s,
+                           IOCanRWHandler *fd_can_read,
+                           IOReadHandler *fd_read,
+                           IOEventHandler *fd_event,
+                           void *opaque);
+int qemu_chr_ioctl(CharDriverState *s, int cmd, void *arg);
+void qemu_chr_reset(CharDriverState *s);
+int qemu_chr_can_read(CharDriverState *s);
+void qemu_chr_read(CharDriverState *s, uint8_t *buf, int len);
+void qemu_chr_accept_input(CharDriverState *s);
+
+/* async I/O support */
+
+int qemu_set_fd_handler2(int fd,
+                         IOCanRWHandler *fd_read_poll,
+                         IOHandler *fd_read,
+                         IOHandler *fd_write,
+                         void *opaque);
+int qemu_set_fd_handler(int fd,
+                        IOHandler *fd_read,
+                        IOHandler *fd_write,
+                        void *opaque);
+
+#endif