xref: /freebsd/sys/dev/hyperv/vmbus/hyperv_mmu.h (revision 2b887687edc25bb4553f0d8a1183f454a85d413d)
1 /*-
2  * Copyright (c) 2009-2012,2016-2024 Microsoft Corp.
3  * Copyright (c) 2012 NetApp Inc.
4  * Copyright (c) 2012 Citrix Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _HYPERV_MMU_H_
30 #define _HYPERV_MMU_H_
31 
32 #include "vmbus_var.h"
33 
34 #define HV_VCPUS_PER_SPARSE_BANK (64)
35 #define HV_MAX_SPARSE_VCPU_BANKS (64)
36 
37 
38 struct hyperv_tlb_flush {
39 	uint64_t address_space;
40 	uint64_t flags;
41 	uint64_t processor_mask;
42 	uint64_t gva_list[];
43 }__packed;
44 
45 struct hv_vpset {
46 	uint64_t format;
47 	uint64_t valid_bank_mask;
48 	uint64_t bank_contents[];
49 } __packed;
50 
51 struct hv_tlb_flush_ex {
52 	uint64_t address_space;
53 	uint64_t flags;
54 	struct hv_vpset hv_vp_set;
55 } __packed;
56 
57 #endif
58