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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