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      1 /*	$NetBSD: nvmm_ioctl.h,v 1.12 2020/09/08 16:58:38 maxv Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2018-2020 Maxime Villard, m00nbsd.net
      5  * All rights reserved.
      6  *
      7  * This code is part of the NVMM hypervisor.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _NVMM_IOCTL_H_
     32 #define _NVMM_IOCTL_H_
     33 
     34 #include <sys/ioccom.h>
     35 #include <dev/nvmm/nvmm.h>
     36 
     37 struct nvmm_ioc_capability {
     38 	struct nvmm_capability cap;
     39 };
     40 
     41 struct nvmm_ioc_machine_create {
     42 	nvmm_machid_t machid;
     43 };
     44 
     45 struct nvmm_ioc_machine_destroy {
     46 	nvmm_machid_t machid;
     47 };
     48 
     49 struct nvmm_ioc_machine_configure {
     50 	nvmm_machid_t machid;
     51 	uint64_t op;
     52 	void *conf;
     53 };
     54 
     55 struct nvmm_ioc_vcpu_create {
     56 	nvmm_machid_t machid;
     57 	nvmm_cpuid_t cpuid;
     58 };
     59 
     60 struct nvmm_ioc_vcpu_destroy {
     61 	nvmm_machid_t machid;
     62 	nvmm_cpuid_t cpuid;
     63 };
     64 
     65 struct nvmm_ioc_vcpu_configure {
     66 	nvmm_machid_t machid;
     67 	nvmm_cpuid_t cpuid;
     68 	uint64_t op;
     69 	void *conf;
     70 };
     71 
     72 struct nvmm_ioc_vcpu_setstate {
     73 	nvmm_machid_t machid;
     74 	nvmm_cpuid_t cpuid;
     75 };
     76 
     77 struct nvmm_ioc_vcpu_getstate {
     78 	nvmm_machid_t machid;
     79 	nvmm_cpuid_t cpuid;
     80 };
     81 
     82 struct nvmm_ioc_vcpu_inject {
     83 	nvmm_machid_t machid;
     84 	nvmm_cpuid_t cpuid;
     85 };
     86 
     87 struct nvmm_ioc_vcpu_run {
     88 	/* input */
     89 	nvmm_machid_t machid;
     90 	nvmm_cpuid_t cpuid;
     91 	/* output */
     92 	struct nvmm_vcpu_exit exit;
     93 };
     94 
     95 struct nvmm_ioc_hva_map {
     96 	nvmm_machid_t machid;
     97 	uintptr_t hva;
     98 	size_t size;
     99 	int flags;
    100 };
    101 
    102 struct nvmm_ioc_hva_unmap {
    103 	nvmm_machid_t machid;
    104 	uintptr_t hva;
    105 	size_t size;
    106 	int flags;
    107 };
    108 
    109 struct nvmm_ioc_gpa_map {
    110 	nvmm_machid_t machid;
    111 	uintptr_t hva;
    112 	gpaddr_t gpa;
    113 	size_t size;
    114 	int prot;
    115 };
    116 
    117 struct nvmm_ioc_gpa_unmap {
    118 	nvmm_machid_t machid;
    119 	gpaddr_t gpa;
    120 	size_t size;
    121 };
    122 
    123 struct nvmm_ctl_mach_info {
    124 	/* input */
    125 	nvmm_machid_t machid;
    126 	/* output */
    127 	uint32_t nvcpus;
    128 	uint64_t nram;
    129 	pid_t pid;
    130 	time_t time;
    131 };
    132 
    133 struct nvmm_ioc_ctl {
    134 	int op;
    135 #define NVMM_CTL_MACH_INFO	0
    136 
    137 	void *data;
    138 	size_t size;
    139 };
    140 
    141 #define NVMM_IOC_CAPABILITY		_IOR ('N',  0, struct nvmm_ioc_capability)
    142 #define NVMM_IOC_MACHINE_CREATE		_IOWR('N',  1, struct nvmm_ioc_machine_create)
    143 #define NVMM_IOC_MACHINE_DESTROY	_IOW ('N',  2, struct nvmm_ioc_machine_destroy)
    144 #define NVMM_IOC_MACHINE_CONFIGURE	_IOW ('N',  3, struct nvmm_ioc_machine_configure)
    145 #define NVMM_IOC_VCPU_CREATE		_IOW ('N',  4, struct nvmm_ioc_vcpu_create)
    146 #define NVMM_IOC_VCPU_DESTROY		_IOW ('N',  5, struct nvmm_ioc_vcpu_destroy)
    147 #define NVMM_IOC_VCPU_CONFIGURE		_IOW ('N',  6, struct nvmm_ioc_vcpu_configure)
    148 #define NVMM_IOC_VCPU_SETSTATE		_IOW ('N',  7, struct nvmm_ioc_vcpu_setstate)
    149 #define NVMM_IOC_VCPU_GETSTATE		_IOW ('N',  8, struct nvmm_ioc_vcpu_getstate)
    150 #define NVMM_IOC_VCPU_INJECT		_IOW ('N',  9, struct nvmm_ioc_vcpu_inject)
    151 #define NVMM_IOC_VCPU_RUN		_IOWR('N', 10, struct nvmm_ioc_vcpu_run)
    152 #define NVMM_IOC_GPA_MAP		_IOW ('N', 11, struct nvmm_ioc_gpa_map)
    153 #define NVMM_IOC_GPA_UNMAP		_IOW ('N', 12, struct nvmm_ioc_gpa_unmap)
    154 #define NVMM_IOC_HVA_MAP		_IOW ('N', 13, struct nvmm_ioc_hva_map)
    155 #define NVMM_IOC_HVA_UNMAP		_IOW ('N', 14, struct nvmm_ioc_hva_unmap)
    156 #define NVMM_IOC_CTL			_IOW ('N', 20, struct nvmm_ioc_ctl)
    157 
    158 #endif /* _NVMM_IOCTL_H_ */
    159