Page MenuHomeFreeBSD
Differential D36466 Diff 110215 sys/dev/hyperv/vmbus/x86/hyperv_reg.h

Changeset View

Standalone View

View Options

sys/dev/hyperv/vmbus/x86/hyperv_reg.h

  • This file was added.
/*- SPDX-License-Identifier: BSD-2-Clause-FreeBSD
* Copyright (c) 2022 Microsoft Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _HYPERV_REG_H_
#define _HYPERV_REG_H_
#include <sys/param.h>
#include <sys/systm.h>
/*
* Hyper-V Synthetic MSRs
*/
#define MSR_HV_GUEST_OS_ID 0x40000000
#define MSR_HV_GUESTID_BUILD_MASK 0xffffULL
#define MSR_HV_GUESTID_VERSION_MASK 0x0000ffffffff0000ULL
#define MSR_HV_GUESTID_VERSION_SHIFT 16
#define MSR_HV_GUESTID_OSID_MASK 0x00ff000000000000ULL
#define MSR_HV_GUESTID_OSID_SHIFT 48
#define MSR_HV_GUESTID_OSTYPE_MASK 0x7f00000000000000ULL
#define MSR_HV_GUESTID_OSTYPE_SHIFT 56
#define MSR_HV_GUESTID_OPENSRC 0x8000000000000000ULL
#define MSR_HV_GUESTID_OSTYPE_LINUX \
((0x01ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
#define MSR_HV_GUESTID_OSTYPE_FREEBSD \
((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
#define MSR_HV_HYPERCALL 0x40000001
#define MSR_HV_HYPERCALL_ENABLE 0x0001ULL
#define MSR_HV_HYPERCALL_RSVD_MASK 0x0ffeULL
#define MSR_HV_HYPERCALL_PGSHIFT 12
#define MSR_HV_VP_INDEX 0x40000002
#define MSR_HV_REFERENCE_TSC 0x40000021
#define MSR_HV_REFTSC_ENABLE 0x0001ULL
#define MSR_HV_REFTSC_RSVD_MASK 0x0ffeULL
#define MSR_HV_REFTSC_PGSHIFT 12
#define MSR_HV_SCONTROL 0x40000080
#define MSR_HV_SCTRL_ENABLE 0x0001ULL
#define MSR_HV_SCTRL_RSVD_MASK 0xfffffffffffffffeULL
#define MSR_HV_SIEFP 0x40000082
#define MSR_HV_SIEFP_ENABLE 0x0001ULL
#define MSR_HV_SIEFP_RSVD_MASK 0x0ffeULL
#define MSR_HV_SIEFP_PGSHIFT 12
#define MSR_HV_SIMP 0x40000083
#define MSR_HV_SIMP_ENABLE 0x0001ULL
#define MSR_HV_SIMP_RSVD_MASK 0x0ffeULL
#define MSR_HV_SIMP_PGSHIFT 12
#define MSR_HV_EOM 0x40000084
#define MSR_HV_SINT0 0x40000090
#define MSR_HV_SINT_VECTOR_MASK 0x00ffULL
#define MSR_HV_SINT_RSVD1_MASK 0xff00ULL
#define MSR_HV_SINT_MASKED 0x00010000ULL
#define MSR_HV_SINT_AUTOEOI 0x00020000ULL
#define MSR_HV_SINT_RSVD2_MASK 0xfffffffffffc0000ULL
#define MSR_HV_SINT_RSVD_MASK (MSR_HV_SINT_RSVD1_MASK | \
MSR_HV_SINT_RSVD2_MASK)
#define MSR_HV_STIMER0_CONFIG 0x400000b0
#define MSR_HV_STIMER_CFG_ENABLE 0x0001ULL
#define MSR_HV_STIMER_CFG_PERIODIC 0x0002ULL
#define MSR_HV_STIMER_CFG_LAZY 0x0004ULL
#define MSR_HV_STIMER_CFG_AUTOEN 0x0008ULL
#define MSR_HV_STIMER_CFG_SINT_MASK 0x000f0000ULL
#define MSR_HV_STIMER_CFG_SINT_SHIFT 16
#define MSR_HV_STIMER0_COUNT 0x400000b1
/*
* CPUID leaves
*/
#define CPUID_LEAF_HV_MAXLEAF 0x40000000
#define CPUID_LEAF_HV_INTERFACE 0x40000001
#define CPUID_HV_IFACE_HYPERV 0x31237648 /* HV#1 */
#define CPUID_LEAF_HV_IDENTITY 0x40000002
#define CPUID_LEAF_HV_FEATURES 0x40000003
/* EAX: features include/hyperv.h CPUID_HV_MSR */
/* ECX: power management features */
#define CPUPM_HV_CSTATE_MASK 0x000f /* deepest C-state */
#define CPUPM_HV_C3_HPET 0x0010 /* C3 requires HPET */
#define CPUPM_HV_CSTATE(f) ((f) & CPUPM_HV_CSTATE_MASK)
/* EDX: features3 */
#define CPUID3_HV_MWAIT 0x0001 /* MWAIT */
#define CPUID3_HV_XMM_HYPERCALL 0x0010 /* Hypercall input through
* XMM regs */
#define CPUID3_HV_GUEST_IDLE 0x0020 /* guest idle */
#define CPUID3_HV_NUMA 0x0080 /* NUMA distance query */
#define CPUID3_HV_TIME_FREQ 0x0100 /* timer frequency query
* (TSC, LAPIC) */
#define CPUID3_HV_MSR_CRASH 0x0400 /* MSRs for guest crash */
#define CPUID_LEAF_HV_RECOMMENDS 0x40000004
#define CPUID_LEAF_HV_LIMITS 0x40000005
#define CPUID_LEAF_HV_HWFEATURES 0x40000006
/*
* Hyper-V Monitor Notification Facility
*/
struct hyperv_mon_param {
uint32_t mp_connid;
uint16_t mp_evtflag_ofs;
uint16_t mp_rsvd;
} __packed;
/*
* Hyper-V message types
*/
#define HYPERV_MSGTYPE_NONE 0
#define HYPERV_MSGTYPE_CHANNEL 1
#define HYPERV_MSGTYPE_TIMER_EXPIRED 0x80000010
/*
* Hypercall status codes
*/
#define HYPERCALL_STATUS_SUCCESS 0x0000
/*
* Hypercall input values
*/
#define HYPERCALL_POST_MESSAGE 0x005c
#define HYPERCALL_SIGNAL_EVENT 0x005d
/*
* Hypercall input parameters
*/
#define HYPERCALL_PARAM_ALIGN 8
#if 0
/*
* XXX
* <<Hypervisor Top Level Functional Specification 4.0b>> requires
* input parameters size to be multiple of 8, however, many post
* message input parameters do _not_ meet this requirement.
*/
#define HYPERCALL_PARAM_SIZE_ALIGN 8
#endif
/*
* HYPERCALL_POST_MESSAGE
*/
#define HYPERCALL_POSTMSGIN_DSIZE_MAX 240
#define HYPERCALL_POSTMSGIN_SIZE 256
struct hypercall_postmsg_in {
uint32_t hc_connid;
uint32_t hc_rsvd;
uint32_t hc_msgtype; /* HYPERV_MSGTYPE_ */
uint32_t hc_dsize;
uint8_t hc_data[HYPERCALL_POSTMSGIN_DSIZE_MAX];
} __packed;
CTASSERT(sizeof(struct hypercall_postmsg_in) == HYPERCALL_POSTMSGIN_SIZE);
/*
* HYPERCALL_SIGNAL_EVENT
*
* struct hyperv_mon_param.
*/
#endif /* !_HYPERV_REG_H_ */