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/* $OpenBSD: vmd.h,v 1.7 2015/12/03 08:42:11 reyk Exp $ */
/*
* Copyright (c) 2015 Mike Larkin <mlarkin@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <machine/vmmvar.h>
#include <limits.h>
#include "proc.h"
#ifndef VMD_H
#define VMD_H
#define VMD_USER "_vmd"
#define SOCKET_NAME "/var/run/vmd.sock"
#define VMM_NODE "/dev/vmm"
#define VM_NAME_MAX 64
#define VM_TTYNAME_MAX 32
#define MAX_TAP 256
#define NR_BACKLOG 5
/* #define VMD_DEBUG */
#ifdef VMD_DEBUG
#define dprintf(x...) do { log_debug(x); } while(0)
#else
#define dprintf(x...)
#endif /* VMM_DEBUG */
enum imsg_type {
IMSG_VMDOP_DISABLE_VMM_REQUEST = IMSG_PROC_MAX,
IMSG_VMDOP_DISABLE_VMM_RESPONSE,
IMSG_VMDOP_ENABLE_VMM_REQUEST,
IMSG_VMDOP_ENABLE_VMM_RESPONSE,
IMSG_VMDOP_START_VM_REQUEST,
IMSG_VMDOP_START_VM_DISK,
IMSG_VMDOP_START_VM_IF,
IMSG_VMDOP_START_VM_END,
IMSG_VMDOP_START_VM_RESPONSE,
IMSG_VMDOP_TERMINATE_VM_REQUEST,
IMSG_VMDOP_TERMINATE_VM_RESPONSE,
IMSG_VMDOP_GET_INFO_VM_REQUEST,
IMSG_VMDOP_GET_INFO_VM_DATA,
IMSG_VMDOP_GET_INFO_VM_END_DATA
};
struct vmop_start_result {
int vmr_result;
char vmr_ttyname[VM_TTYNAME_MAX];
};
struct vmd_vm {
struct vm_create_params vm_params;
uint32_t vm_vmid;
int vm_kernel;
int vm_disks[VMM_MAX_DISKS_PER_VM];
int vm_ifs[VMM_MAX_NICS_PER_VM];
char vm_ttyname[VM_TTYNAME_MAX];
int vm_tty;
uint32_t vm_peerid;
TAILQ_ENTRY(vmd_vm) vm_entry;
};
TAILQ_HEAD(vmlist, vmd_vm);
struct vmd {
struct privsep vmd_ps;
int vmd_fd;
int vmd_debug;
int vmd_verbose;
int vmd_noaction;
int vmd_vmcount;
uint32_t vmd_nvm;
struct vmlist *vmd_vms;
};
/* vmd.c */
struct vmd_vm *vm_getbyvmid(uint32_t);
void vm_remove(struct vmd_vm *);
/* vmm.c */
pid_t vmm(struct privsep *, struct privsep_proc *);
int write_page(uint32_t dst, void *buf, uint32_t, int);
int read_page(uint32_t dst, void *buf, uint32_t, int);
int opentap(void);
/* control.c */
int config_init(struct vmd *);
void config_purge(struct vmd *, unsigned int);
int config_setreset(struct vmd *, unsigned int);
int config_getreset(struct vmd *, struct imsg *);
int config_getvm(struct privsep *, struct imsg *);
int config_getdisk(struct privsep *, struct imsg *);
int config_getif(struct privsep *, struct imsg *);
#endif /* VMD_H */
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