1 files changed, 45 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/uart_emul.h b/usr.sbin/bhyve/uart_emul.h
new file mode 100644
index 000000000000..993b92e3cfef
--- /dev/null
+++ b/usr.sbin/bhyve/uart_emul.h
@@ -0,0 +1,45 @@
+/*-
+ * Copyright (c) 2013 Neel Natu <neel@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _UART_EMUL_H_
+#define	_UART_EMUL_H_
+
+
+#define	UART_IO_BAR_SIZE	8
+
+struct uart_softc;
+
+typedef void (*uart_intr_func_t)(void *arg);
+struct uart_softc *uart_init(uart_intr_func_t intr_assert,
+		uart_intr_func_t intr_deassert, void *arg);
+
+int	uart_legacy_alloc(int unit, int *ioaddr, int *irq);
+uint8_t	uart_read(struct uart_softc *sc, int offset);
+void	uart_write(struct uart_softc *sc, int offset, uint8_t value);
+int	uart_set_backend(struct uart_softc *sc, const char *opt);
+#endif