nvmm_internal.h revision 1.1.2.4 1 1.1.2.4 pgoyette /* $NetBSD: nvmm_internal.h,v 1.1.2.4 2019/01/26 22:00:07 pgoyette Exp $ */
2 1.1.2.2 pgoyette
3 1.1.2.2 pgoyette /*
4 1.1.2.2 pgoyette * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 1.1.2.2 pgoyette * All rights reserved.
6 1.1.2.2 pgoyette *
7 1.1.2.2 pgoyette * This code is derived from software contributed to The NetBSD Foundation
8 1.1.2.2 pgoyette * by Maxime Villard.
9 1.1.2.2 pgoyette *
10 1.1.2.2 pgoyette * Redistribution and use in source and binary forms, with or without
11 1.1.2.2 pgoyette * modification, are permitted provided that the following conditions
12 1.1.2.2 pgoyette * are met:
13 1.1.2.2 pgoyette * 1. Redistributions of source code must retain the above copyright
14 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer.
15 1.1.2.2 pgoyette * 2. Redistributions in binary form must reproduce the above copyright
16 1.1.2.2 pgoyette * notice, this list of conditions and the following disclaimer in the
17 1.1.2.2 pgoyette * documentation and/or other materials provided with the distribution.
18 1.1.2.2 pgoyette *
19 1.1.2.2 pgoyette * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1.2.2 pgoyette * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1.2.2 pgoyette * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1.2.2 pgoyette * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1.2.2 pgoyette * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1.2.2 pgoyette * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1.2.2 pgoyette * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1.2.2 pgoyette * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1.2.2 pgoyette * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1.2.2 pgoyette * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1.2.2 pgoyette * POSSIBILITY OF SUCH DAMAGE.
30 1.1.2.2 pgoyette */
31 1.1.2.2 pgoyette
32 1.1.2.2 pgoyette #ifndef _NVMM_INTERNAL_H_
33 1.1.2.2 pgoyette #define _NVMM_INTERNAL_H_
34 1.1.2.2 pgoyette
35 1.1.2.2 pgoyette #define NVMM_MAX_MACHINES 128
36 1.1.2.2 pgoyette #define NVMM_MAX_VCPUS 256
37 1.1.2.3 pgoyette #define NVMM_MAX_SEGS 32
38 1.1.2.2 pgoyette #define NVMM_MAX_RAM (4UL * (1 << 30))
39 1.1.2.2 pgoyette
40 1.1.2.2 pgoyette struct nvmm_cpu {
41 1.1.2.2 pgoyette /* Shared. */
42 1.1.2.2 pgoyette bool present;
43 1.1.2.2 pgoyette nvmm_cpuid_t cpuid;
44 1.1.2.2 pgoyette kmutex_t lock;
45 1.1.2.2 pgoyette
46 1.1.2.4 pgoyette /* State buffer. */
47 1.1.2.4 pgoyette void *state;
48 1.1.2.4 pgoyette
49 1.1.2.2 pgoyette /* Last host CPU on which the VCPU ran. */
50 1.1.2.2 pgoyette int hcpu_last;
51 1.1.2.2 pgoyette
52 1.1.2.2 pgoyette /* Implementation-specific. */
53 1.1.2.2 pgoyette void *cpudata;
54 1.1.2.2 pgoyette };
55 1.1.2.2 pgoyette
56 1.1.2.3 pgoyette struct nvmm_seg {
57 1.1.2.3 pgoyette bool present;
58 1.1.2.3 pgoyette uintptr_t hva;
59 1.1.2.3 pgoyette size_t size;
60 1.1.2.3 pgoyette struct uvm_object *uobj;
61 1.1.2.3 pgoyette };
62 1.1.2.3 pgoyette
63 1.1.2.2 pgoyette struct nvmm_machine {
64 1.1.2.2 pgoyette bool present;
65 1.1.2.2 pgoyette nvmm_machid_t machid;
66 1.1.2.2 pgoyette pid_t procid;
67 1.1.2.2 pgoyette krwlock_t lock;
68 1.1.2.2 pgoyette
69 1.1.2.2 pgoyette /* Kernel */
70 1.1.2.2 pgoyette struct vmspace *vm;
71 1.1.2.2 pgoyette gpaddr_t gpa_begin;
72 1.1.2.2 pgoyette gpaddr_t gpa_end;
73 1.1.2.2 pgoyette
74 1.1.2.3 pgoyette /* Segments */
75 1.1.2.3 pgoyette struct nvmm_seg segs[NVMM_MAX_SEGS];
76 1.1.2.3 pgoyette
77 1.1.2.2 pgoyette /* CPU */
78 1.1.2.2 pgoyette struct nvmm_cpu cpus[NVMM_MAX_VCPUS];
79 1.1.2.2 pgoyette
80 1.1.2.2 pgoyette /* Implementation-specific */
81 1.1.2.2 pgoyette void *machdata;
82 1.1.2.2 pgoyette };
83 1.1.2.2 pgoyette
84 1.1.2.2 pgoyette struct nvmm_impl {
85 1.1.2.2 pgoyette bool (*ident)(void);
86 1.1.2.2 pgoyette void (*init)(void);
87 1.1.2.2 pgoyette void (*fini)(void);
88 1.1.2.2 pgoyette void (*capability)(struct nvmm_capability *);
89 1.1.2.2 pgoyette
90 1.1.2.2 pgoyette size_t conf_max;
91 1.1.2.2 pgoyette const size_t *conf_sizes;
92 1.1.2.2 pgoyette size_t state_size;
93 1.1.2.2 pgoyette
94 1.1.2.2 pgoyette void (*machine_create)(struct nvmm_machine *);
95 1.1.2.2 pgoyette void (*machine_destroy)(struct nvmm_machine *);
96 1.1.2.2 pgoyette int (*machine_configure)(struct nvmm_machine *, uint64_t, void *);
97 1.1.2.2 pgoyette
98 1.1.2.2 pgoyette int (*vcpu_create)(struct nvmm_machine *, struct nvmm_cpu *);
99 1.1.2.2 pgoyette void (*vcpu_destroy)(struct nvmm_machine *, struct nvmm_cpu *);
100 1.1.2.2 pgoyette void (*vcpu_setstate)(struct nvmm_cpu *, void *, uint64_t);
101 1.1.2.2 pgoyette void (*vcpu_getstate)(struct nvmm_cpu *, void *, uint64_t);
102 1.1.2.2 pgoyette int (*vcpu_inject)(struct nvmm_machine *, struct nvmm_cpu *,
103 1.1.2.2 pgoyette struct nvmm_event *);
104 1.1.2.2 pgoyette int (*vcpu_run)(struct nvmm_machine *, struct nvmm_cpu *,
105 1.1.2.2 pgoyette struct nvmm_exit *);
106 1.1.2.2 pgoyette };
107 1.1.2.2 pgoyette
108 1.1.2.2 pgoyette int nvmm_vcpu_get(struct nvmm_machine *, nvmm_cpuid_t, struct nvmm_cpu **);
109 1.1.2.2 pgoyette void nvmm_vcpu_put(struct nvmm_cpu *);
110 1.1.2.2 pgoyette
111 1.1.2.2 pgoyette extern const struct nvmm_impl nvmm_x86_svm;
112 1.1.2.2 pgoyette
113 1.1.2.2 pgoyette #endif /* _NVMM_INTERNAL_H_ */
114