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1311e997d4
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
93 lines
No EOL
2.5 KiB
C
Vendored
93 lines
No EOL
2.5 KiB
C
Vendored
/* $OpenBSD: vmmvar.h,v 1.3 2025/08/03 10:17:33 tb Exp $ */
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/*
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* Copyright (c) 2014 Mike Larkin <mlarkin@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* CPU capabilities for VMM operation
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*/
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#ifndef _MACHINE_VMMVAR_H_
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#define _MACHINE_VMMVAR_H_
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#define VMM_HV_SIGNATURE "OpenBSDVMM58"
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/* Exit Reasons */
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#define VM_EXIT_TERMINATED 0xFFFE
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#define VM_EXIT_NONE 0xFFFF
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struct vmm_softc_md {
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/* Capabilities */
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uint32_t nr_cpus; /* [I] */
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};
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/*
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* struct vcpu_inject_event : describes an exception or interrupt to inject.
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*/
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struct vcpu_inject_event {
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uint8_t vie_vector; /* Exception or interrupt vector. */
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uint32_t vie_errorcode; /* Optional error code. */
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uint8_t vie_type;
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#define VCPU_INJECT_NONE 0
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#define VCPU_INJECT_INTR 1 /* External hardware interrupt. */
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#define VCPU_INJECT_EX 2 /* HW or SW Exception */
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#define VCPU_INJECT_NMI 3 /* Non-maskable Interrupt */
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};
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#define VCPU_REGS_NGPRS 31
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struct vcpu_reg_state {
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uint64_t vrs_gprs[VCPU_REGS_NGPRS];
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};
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/*
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* struct vm_exit
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*
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* Contains VM exit information communicated to vmd(8). This information is
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* gathered by vmm(4) from the CPU on each exit that requires help from vmd.
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*/
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struct vm_exit {
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struct vcpu_reg_state vrs;
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};
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struct vm_intr_params {
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/* Input parameters to VMM_IOC_INTR */
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uint32_t vip_vm_id;
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uint32_t vip_vcpu_id;
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uint16_t vip_intr;
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};
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#define VM_RWREGS_GPRS 0x1 /* read/write GPRs */
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#define VM_RWREGS_ALL (VM_RWREGS_GPRS)
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struct vm_rwregs_params {
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/*
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* Input/output parameters to VMM_IOC_READREGS /
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* VMM_IOC_WRITEREGS
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*/
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uint32_t vrwp_vm_id;
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uint32_t vrwp_vcpu_id;
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uint64_t vrwp_mask;
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struct vcpu_reg_state vrwp_regs;
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};
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enum {
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VEI_DIR_OUT,
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VEI_DIR_IN
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};
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/* IOCTL definitions */
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#define VMM_IOC_INTR _IOW('V', 6, struct vm_intr_params) /* Intr pending */
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#endif /* ! _MACHINE_VMMVAR_H_ */ |