1bf21cd93STycho Nightingale /*- 2*32640292SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 34c87aefeSPatrick Mooney * 4bf21cd93STycho Nightingale * Copyright (c) 2011 NetApp, Inc. 5bf21cd93STycho Nightingale * All rights reserved. 6bf21cd93STycho Nightingale * 7bf21cd93STycho Nightingale * Redistribution and use in source and binary forms, with or without 8bf21cd93STycho Nightingale * modification, are permitted provided that the following conditions 9bf21cd93STycho Nightingale * are met: 10bf21cd93STycho Nightingale * 1. Redistributions of source code must retain the above copyright 11bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer. 12bf21cd93STycho Nightingale * 2. Redistributions in binary form must reproduce the above copyright 13bf21cd93STycho Nightingale * notice, this list of conditions and the following disclaimer in the 14bf21cd93STycho Nightingale * documentation and/or other materials provided with the distribution. 15bf21cd93STycho Nightingale * 16bf21cd93STycho Nightingale * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17bf21cd93STycho Nightingale * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18bf21cd93STycho Nightingale * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19bf21cd93STycho Nightingale * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20bf21cd93STycho Nightingale * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21bf21cd93STycho Nightingale * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22bf21cd93STycho Nightingale * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23bf21cd93STycho Nightingale * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24bf21cd93STycho Nightingale * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25bf21cd93STycho Nightingale * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26bf21cd93STycho Nightingale * SUCH DAMAGE. 27bf21cd93STycho Nightingale */ 28bf21cd93STycho Nightingale /* 29bf21cd93STycho Nightingale * This file and its contents are supplied under the terms of the 30bf21cd93STycho Nightingale * Common Development and Distribution License ("CDDL"), version 1.0. 31bf21cd93STycho Nightingale * You may only use this file in accordance with the terms of version 32bf21cd93STycho Nightingale * 1.0 of the CDDL. 33bf21cd93STycho Nightingale * 34bf21cd93STycho Nightingale * A full copy of the text of the CDDL should have accompanied this 35bf21cd93STycho Nightingale * source. A copy of the CDDL is also available via the Internet at 36bf21cd93STycho Nightingale * http://www.illumos.org/license/CDDL. 37bf21cd93STycho Nightingale * 38bf21cd93STycho Nightingale * Copyright 2014 Pluribus Networks Inc. 39bf21cd93STycho Nightingale */ 40bf21cd93STycho Nightingale 41bf21cd93STycho Nightingale #ifndef _INOUT_H_ 42bf21cd93STycho Nightingale #define _INOUT_H_ 43bf21cd93STycho Nightingale 44bf21cd93STycho Nightingale #include <sys/linker_set.h> 45bf21cd93STycho Nightingale 46*32640292SAndy Fiddaman struct vcpu; 47bf21cd93STycho Nightingale struct vmctx; 48bf21cd93STycho Nightingale struct vm_exit; 492b948146SAndy Fiddaman #ifndef __FreeBSD__ 50e0c0d44eSPatrick Mooney struct vm_inout; 512b948146SAndy Fiddaman #endif 52bf21cd93STycho Nightingale 53bf21cd93STycho Nightingale /* 54bf21cd93STycho Nightingale * inout emulation handlers return 0 on success and -1 on failure. 55bf21cd93STycho Nightingale */ 5659d65d31SAndy Fiddaman typedef int (*inout_func_t)(struct vmctx *ctx, int in, int port, 57bf21cd93STycho Nightingale int bytes, uint32_t *eax, void *arg); 58bf21cd93STycho Nightingale 59bf21cd93STycho Nightingale struct inout_port { 60bf21cd93STycho Nightingale const char *name; 61bf21cd93STycho Nightingale int port; 62bf21cd93STycho Nightingale int size; 63bf21cd93STycho Nightingale int flags; 64bf21cd93STycho Nightingale inout_func_t handler; 65bf21cd93STycho Nightingale void *arg; 66bf21cd93STycho Nightingale }; 67bf21cd93STycho Nightingale #define IOPORT_F_IN 0x1 68bf21cd93STycho Nightingale #define IOPORT_F_OUT 0x2 69bf21cd93STycho Nightingale #define IOPORT_F_INOUT (IOPORT_F_IN | IOPORT_F_OUT) 70bf21cd93STycho Nightingale 71bf21cd93STycho Nightingale /* 72bf21cd93STycho Nightingale * The following flags are used internally and must not be used by 73bf21cd93STycho Nightingale * device models. 74bf21cd93STycho Nightingale */ 75bf21cd93STycho Nightingale #define IOPORT_F_DEFAULT 0x80000000 /* claimed by default handler */ 76bf21cd93STycho Nightingale 77bf21cd93STycho Nightingale #define INOUT_PORT(name, port, flags, handler) \ 78bf21cd93STycho Nightingale static struct inout_port __CONCAT(__inout_port, __LINE__) = { \ 79bf21cd93STycho Nightingale #name, \ 80bf21cd93STycho Nightingale (port), \ 81bf21cd93STycho Nightingale 1, \ 82bf21cd93STycho Nightingale (flags), \ 83bf21cd93STycho Nightingale (handler), \ 84bf21cd93STycho Nightingale 0 \ 85bf21cd93STycho Nightingale }; \ 86bf21cd93STycho Nightingale DATA_SET(inout_port_set, __CONCAT(__inout_port, __LINE__)) 87e0c0d44eSPatrick Mooney 88bf21cd93STycho Nightingale void init_inout(void); 892b948146SAndy Fiddaman #ifdef __FreeBSD__ 90*32640292SAndy Fiddaman int emulate_inout(struct vmctx *, struct vcpu *vcpu, struct vm_exit *vmexit); 912b948146SAndy Fiddaman #else 92*32640292SAndy Fiddaman int emulate_inout(struct vmctx *, struct vcpu *vcpu, struct vm_inout *inout); 932b948146SAndy Fiddaman #endif 94bf21cd93STycho Nightingale int register_inout(struct inout_port *iop); 95bf21cd93STycho Nightingale int unregister_inout(struct inout_port *iop); 96bf21cd93STycho Nightingale 97bf21cd93STycho Nightingale #endif /* _INOUT_H_ */ 98