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57 lines
2 KiB
C
57 lines
2 KiB
C
/*- SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2022 Microsoft Corp.
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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 unmodified, this list of conditions, and the following
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* 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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HYPERV_MACHDEP_H_
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#define _HYPERV_MACHDEP_H_
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#include <sys/param.h>
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typedef uint32_t u32;
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typedef uint64_t u64;
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struct hv_get_vp_registers_output {
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union {
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struct {
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u32 a;
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u32 b;
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u32 c;
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u32 d;
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} as32 __packed;
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struct {
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u64 low;
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u64 high;
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} as64 __packed;
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};
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};
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uint64_t hypercall_md(volatile void *hc_addr, u64 in_val,
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u64 in_paddr, u64 out_paddr);
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void hv_get_vpreg_128(u32, struct hv_get_vp_registers_output *);
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void arm_hv_set_vreg(u32 msr, u64 val);
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#define WRMSR(msr, val) arm_hv_set_vreg(msr, val)
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u64 arm_hv_get_vreg(u32 msr);
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#define RDMSR(msr) arm_hv_get_vreg(msr)
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#endif /* !_HYPERV_MACHDEP_H_ */
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