127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/* $NetBSD: nvmm.h,v 1.18 2020/09/05 07:22:25 maxv Exp $ */
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/*
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* Copyright (c) 2018-2020 Maxime Villard, m00nbsd.net
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* All rights reserved.
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*
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* This code is part of the NVMM hypervisor.
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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 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,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* 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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#define NVMM_USER_VERSION 1
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struct nvmm_io;
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struct nvmm_mem;
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struct nvmm_assist_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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struct nvmm_machine {
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nvmm_machid_t machid;
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struct nvmm_comm_page **pages;
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void *areas; /* opaque */
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};
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struct nvmm_vcpu {
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nvmm_cpuid_t cpuid;
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struct nvmm_assist_callbacks cbs;
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struct nvmm_vcpu_state *state;
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struct nvmm_vcpu_event *event;
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struct nvmm_vcpu_exit *exit;
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};
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struct nvmm_io {
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struct nvmm_machine *mach;
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struct nvmm_vcpu *vcpu;
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uint16_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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struct nvmm_machine *mach;
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struct nvmm_vcpu *vcpu;
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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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#define NVMM_VCPU_CONF_CALLBACKS NVMM_VCPU_CONF_LIBNVMM_BEGIN
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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_init(void);
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int nvmm_root_init(void);
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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, struct nvmm_vcpu *);
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int nvmm_vcpu_destroy(struct nvmm_machine *, struct nvmm_vcpu *);
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int nvmm_vcpu_configure(struct nvmm_machine *, struct nvmm_vcpu *, uint64_t,
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void *);
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int nvmm_vcpu_setstate(struct nvmm_machine *, struct nvmm_vcpu *, uint64_t);
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int nvmm_vcpu_getstate(struct nvmm_machine *, struct nvmm_vcpu *, uint64_t);
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int nvmm_vcpu_inject(struct nvmm_machine *, struct nvmm_vcpu *);
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int nvmm_vcpu_run(struct nvmm_machine *, struct nvmm_vcpu *);
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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 *, struct nvmm_vcpu *, 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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nvmm_prot_t *);
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int nvmm_assist_io(struct nvmm_machine *, struct nvmm_vcpu *);
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int nvmm_assist_mem(struct nvmm_machine *, struct nvmm_vcpu *);
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int nvmm_ctl(int, void *, size_t);
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int nvmm_vcpu_dump(struct nvmm_machine *, struct nvmm_vcpu *);
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#endif /* _LIBNVMM_H_ */
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