1bf21cd93STycho Nightingale /*- 2*32640292SAndy Fiddaman * SPDX-License-Identifier: BSD-2-Clause 34c87aefeSPatrick Mooney * 4bf21cd93STycho Nightingale * Copyright (c) 2012 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 #ifndef _MEM_H_ 30bf21cd93STycho Nightingale #define _MEM_H_ 31bf21cd93STycho Nightingale 32bf21cd93STycho Nightingale #include <sys/linker_set.h> 33bf21cd93STycho Nightingale 34*32640292SAndy Fiddaman struct vcpu; 35bf21cd93STycho Nightingale 36*32640292SAndy Fiddaman typedef int (*mem_func_t)(struct vcpu *vcpu, int dir, uint64_t addr, 37bf21cd93STycho Nightingale int size, uint64_t *val, void *arg1, long arg2); 38bf21cd93STycho Nightingale 39bf21cd93STycho Nightingale struct mem_range { 40bf21cd93STycho Nightingale const char *name; 41bf21cd93STycho Nightingale int flags; 42bf21cd93STycho Nightingale mem_func_t handler; 43bf21cd93STycho Nightingale void *arg1; 44bf21cd93STycho Nightingale long arg2; 45bf21cd93STycho Nightingale uint64_t base; 46bf21cd93STycho Nightingale uint64_t size; 47bf21cd93STycho Nightingale }; 48bf21cd93STycho Nightingale #define MEM_F_READ 0x1 49bf21cd93STycho Nightingale #define MEM_F_WRITE 0x2 50bf21cd93STycho Nightingale #define MEM_F_RW 0x3 51bf21cd93STycho Nightingale #define MEM_F_IMMUTABLE 0x4 /* mem_range cannot be unregistered */ 52bf21cd93STycho Nightingale 53d7b72f7bSAndy Fiddaman void init_mem(int ncpu); 54e0c0d44eSPatrick Mooney 55*32640292SAndy Fiddaman int emulate_mem(struct vcpu *vcpu, struct vm_mmio *mmio); 564c87aefeSPatrick Mooney 57*32640292SAndy Fiddaman int read_mem(struct vcpu *vpu, uint64_t gpa, uint64_t *rval, int size); 58bf21cd93STycho Nightingale int register_mem(struct mem_range *memp); 59bf21cd93STycho Nightingale int register_mem_fallback(struct mem_range *memp); 60bf21cd93STycho Nightingale int unregister_mem(struct mem_range *memp); 61*32640292SAndy Fiddaman int write_mem(struct vcpu *vcpu, uint64_t gpa, uint64_t wval, int size); 62bf21cd93STycho Nightingale 63bf21cd93STycho Nightingale #endif /* _MEM_H_ */ 64