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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2012 NetApp, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _MEM_H_
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#define _MEM_H_
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#include <sys/linker_set.h>
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struct vcpu;
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typedef int (*mem_func_t)(struct vcpu *vcpu, int dir, uint64_t addr,
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int size, uint64_t *val, void *arg1, long arg2);
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struct mem_range {
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const char *name;
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int flags;
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mem_func_t handler;
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void *arg1;
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long arg2;
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uint64_t base;
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uint64_t size;
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};
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#define MEM_F_READ 0x1
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#define MEM_F_WRITE 0x2
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#define MEM_F_RW 0x3
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#define MEM_F_IMMUTABLE 0x4 /* mem_range cannot be unregistered */
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void init_mem(int ncpu);
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int emulate_mem(struct vcpu *vcpu, uint64_t paddr, struct vie *vie,
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struct vm_guest_paging *paging);
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int read_mem(struct vcpu *vpu, uint64_t gpa, uint64_t *rval, int size);
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int register_mem(struct mem_range *memp);
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int register_mem_fallback(struct mem_range *memp);
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int unregister_mem(struct mem_range *memp);
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int write_mem(struct vcpu *vcpu, uint64_t gpa, uint64_t wval, int size);
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#endif /* _MEM_H_ */
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