Changeset View
Changeset View
Standalone View
Standalone View
usr.sbin/bhyve/mmio/uart_emul.h
- This file was added.
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * 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_ | |||||
| typedef void (*uart_intr_func_t)(void *arg, uint32_t irq); | |||||
| struct uart_softc { | |||||
| struct uart_backend *backend; | |||||
| pthread_mutex_t mtx; /* protects all softc elements */ | |||||
| uint16_t irq_state; | |||||
| uint16_t rsr; | |||||
| uint16_t cr; | |||||
| uint16_t ifls; | |||||
| uint16_t imsc; | |||||
| uint16_t lcr_h; | |||||
| uint16_t ibrd; | |||||
| uint16_t fbrd; | |||||
| void *arg; | |||||
| uint32_t irqno; | |||||
| uart_intr_func_t intr_assert; | |||||
| uart_intr_func_t intr_deassert; | |||||
| }; | |||||
| 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); | |||||
| uint32_t uart_read(struct uart_softc *sc, int offset); | |||||
| void uart_write(struct uart_softc *sc, int offset, uint32_t value); | |||||
| int uart_set_backend(struct uart_softc *sc, const char *opt); | |||||
| #endif | |||||