mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 18:56:38 +00:00
f3003a0dfb
This will be use for arm64 guests, instead of the existing ns16550 UART model. Reviewed by: corvink, jhb MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D40997
62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef _UART_EMUL_H_
|
|
#define _UART_EMUL_H_
|
|
|
|
#define UART_NS16550_IO_BAR_SIZE 8
|
|
|
|
struct uart_ns16550_softc;
|
|
struct uart_pl011_softc;
|
|
struct vm_snapshot_meta;
|
|
|
|
typedef void (*uart_intr_func_t)(void *arg);
|
|
|
|
int uart_legacy_alloc(int unit, int *ioaddr, int *irq);
|
|
|
|
struct uart_ns16550_softc *uart_ns16550_init(uart_intr_func_t intr_assert,
|
|
uart_intr_func_t intr_deassert, void *arg);
|
|
uint8_t uart_ns16550_read(struct uart_ns16550_softc *sc, int offset);
|
|
void uart_ns16550_write(struct uart_ns16550_softc *sc, int offset,
|
|
uint8_t value);
|
|
int uart_ns16550_tty_open(struct uart_ns16550_softc *sc,
|
|
const char *device);
|
|
#ifdef BHYVE_SNAPSHOT
|
|
int uart_ns16550_snapshot(struct uart_ns16550_softc *sc,
|
|
struct vm_snapshot_meta *meta);
|
|
#endif
|
|
|
|
uint32_t uart_pl011_read(struct uart_pl011_softc *sc, int offset);
|
|
void uart_pl011_write(struct uart_pl011_softc *sc, int offset,
|
|
uint32_t value);
|
|
struct uart_pl011_softc *uart_pl011_init(uart_intr_func_t intr_assert,
|
|
uart_intr_func_t intr_deassert, void *arg);
|
|
int uart_pl011_tty_open(struct uart_pl011_softc *sc, const char *device);
|
|
|
|
#endif /* _UART_EMUL_H_ */
|