auto import from //depot/cupcake/@135843
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