1 /*- SPDX-License-Identifier: BSD-2-Clause 2 * 3 * Copyright (c) 2022 Microsoft Corp. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _HYPERV_MACHDEP_H_ 28 #define _HYPERV_MACHDEP_H_ 29 30 #include <sys/param.h> 31 32 typedef uint32_t u32; 33 typedef uint64_t u64; 34 struct hv_get_vp_registers_output { 35 union { 36 struct { 37 u32 a; 38 u32 b; 39 u32 c; 40 u32 d; 41 } as32 __packed; 42 struct { 43 u64 low; 44 u64 high; 45 } as64 __packed; 46 }; 47 }; 48 49 uint64_t hypercall_md(volatile void *hc_addr, u64 in_val, 50 u64 in_paddr, u64 out_paddr); 51 void hv_get_vpreg_128(u32, struct hv_get_vp_registers_output *); 52 void arm_hv_set_vreg(u32 msr, u64 val); 53 #define WRMSR(msr, val) arm_hv_set_vreg(msr, val) 54 u64 arm_hv_get_vreg(u32 msr); 55 #define RDMSR(msr) arm_hv_get_vreg(msr) 56 57 #endif /* !_HYPERV_MACHDEP_H_ */ 58