04b8bfbf75
the exit structure provided by the kernel. This saves an MMU translation, and sometimes complex address computation (eg SIB). Drop the GVA field, it is not useful to virtualizers.
104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/* $NetBSD: nvmm.h,v 1.6 2019/01/07 16:30:25 maxv Exp $ */
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/*
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* Copyright (c) 2018 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Maxime Villard.
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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 THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LIBNVMM_H_
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#define _LIBNVMM_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include <dev/nvmm/nvmm.h>
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#include <dev/nvmm/nvmm_ioctl.h>
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#ifdef __x86_64__
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#include <dev/nvmm/x86/nvmm_x86.h>
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#endif
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struct nvmm_machine {
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nvmm_machid_t machid;
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void *areas; /* opaque */
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};
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struct nvmm_io {
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uint64_t port;
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bool in;
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size_t size;
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uint8_t *data;
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};
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struct nvmm_mem {
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gpaddr_t gpa;
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bool write;
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size_t size;
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uint8_t *data;
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};
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struct nvmm_callbacks {
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void (*io)(struct nvmm_io *);
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void (*mem)(struct nvmm_mem *);
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};
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#define NVMM_PROT_READ 0x01
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#define NVMM_PROT_WRITE 0x02
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#define NVMM_PROT_EXEC 0x04
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#define NVMM_PROT_USER 0x08
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#define NVMM_PROT_ALL 0x0F
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typedef uint64_t nvmm_prot_t;
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int nvmm_capability(struct nvmm_capability *);
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int nvmm_machine_create(struct nvmm_machine *);
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int nvmm_machine_destroy(struct nvmm_machine *);
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int nvmm_machine_configure(struct nvmm_machine *, uint64_t, void *);
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int nvmm_vcpu_create(struct nvmm_machine *, nvmm_cpuid_t);
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int nvmm_vcpu_destroy(struct nvmm_machine *, nvmm_cpuid_t);
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int nvmm_vcpu_setstate(struct nvmm_machine *, nvmm_cpuid_t, void *, uint64_t);
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int nvmm_vcpu_getstate(struct nvmm_machine *, nvmm_cpuid_t, void *, uint64_t);
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int nvmm_vcpu_inject(struct nvmm_machine *, nvmm_cpuid_t, struct nvmm_event *);
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int nvmm_vcpu_run(struct nvmm_machine *, nvmm_cpuid_t, struct nvmm_exit *);
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int nvmm_gpa_map(struct nvmm_machine *, uintptr_t, gpaddr_t, size_t, int);
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int nvmm_gpa_unmap(struct nvmm_machine *, uintptr_t, gpaddr_t, size_t);
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int nvmm_hva_map(struct nvmm_machine *, uintptr_t, size_t);
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int nvmm_hva_unmap(struct nvmm_machine *, uintptr_t, size_t);
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int nvmm_gva_to_gpa(struct nvmm_machine *, nvmm_cpuid_t, gvaddr_t, gpaddr_t *,
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nvmm_prot_t *);
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int nvmm_gpa_to_hva(struct nvmm_machine *, gpaddr_t, uintptr_t *);
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int nvmm_assist_io(struct nvmm_machine *, nvmm_cpuid_t, struct nvmm_exit *);
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int nvmm_assist_mem(struct nvmm_machine *, nvmm_cpuid_t, struct nvmm_exit *);
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void nvmm_callbacks_register(const struct nvmm_callbacks *);
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int nvmm_vcpu_dump(struct nvmm_machine *, nvmm_cpuid_t);
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#endif /* _LIBNVMM_H_ */
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