cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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hyperv-proto.h (3373B)

      1/*
      2 * Definitions for Hyper-V guest/hypervisor interaction
      3 *
      4 * Copyright (c) 2017-2018 Virtuozzo International GmbH.
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 */
      9
     10#ifndef HW_HYPERV_HYPERV_PROTO_H
     11#define HW_HYPERV_HYPERV_PROTO_H
     12
     13#include "qemu/bitmap.h"
     14
     15/*
     16 * Hypercall status code
     17 */
     18#define HV_STATUS_SUCCESS                     0
     19#define HV_STATUS_INVALID_HYPERCALL_CODE      2
     20#define HV_STATUS_INVALID_HYPERCALL_INPUT     3
     21#define HV_STATUS_INVALID_ALIGNMENT           4
     22#define HV_STATUS_INVALID_PARAMETER           5
     23#define HV_STATUS_INSUFFICIENT_MEMORY         11
     24#define HV_STATUS_INVALID_PORT_ID             17
     25#define HV_STATUS_INVALID_CONNECTION_ID       18
     26#define HV_STATUS_INSUFFICIENT_BUFFERS        19
     27
     28/*
     29 * Hypercall numbers
     30 */
     31#define HV_POST_MESSAGE                       0x005c
     32#define HV_SIGNAL_EVENT                       0x005d
     33#define HV_HYPERCALL_FAST                     (1u << 16)
     34
     35/*
     36 * Message size
     37 */
     38#define HV_MESSAGE_PAYLOAD_SIZE               240
     39
     40/*
     41 * Message types
     42 */
     43#define HV_MESSAGE_NONE                       0x00000000
     44#define HV_MESSAGE_VMBUS                      0x00000001
     45#define HV_MESSAGE_UNMAPPED_GPA               0x80000000
     46#define HV_MESSAGE_GPA_INTERCEPT              0x80000001
     47#define HV_MESSAGE_TIMER_EXPIRED              0x80000010
     48#define HV_MESSAGE_INVALID_VP_REGISTER_VALUE  0x80000020
     49#define HV_MESSAGE_UNRECOVERABLE_EXCEPTION    0x80000021
     50#define HV_MESSAGE_UNSUPPORTED_FEATURE        0x80000022
     51#define HV_MESSAGE_EVENTLOG_BUFFERCOMPLETE    0x80000040
     52#define HV_MESSAGE_X64_IOPORT_INTERCEPT       0x80010000
     53#define HV_MESSAGE_X64_MSR_INTERCEPT          0x80010001
     54#define HV_MESSAGE_X64_CPUID_INTERCEPT        0x80010002
     55#define HV_MESSAGE_X64_EXCEPTION_INTERCEPT    0x80010003
     56#define HV_MESSAGE_X64_APIC_EOI               0x80010004
     57#define HV_MESSAGE_X64_LEGACY_FP_ERROR        0x80010005
     58
     59/*
     60 * Message flags
     61 */
     62#define HV_MESSAGE_FLAG_PENDING               0x1
     63
     64/*
     65 * Number of synthetic interrupts
     66 */
     67#define HV_SINT_COUNT                         16
     68
     69/*
     70 * Event flags number per SINT
     71 */
     72#define HV_EVENT_FLAGS_COUNT                  (256 * 8)
     73
     74/*
     75 * Connection id valid bits
     76 */
     77#define HV_CONNECTION_ID_MASK                 0x00ffffff
     78
     79/*
     80 * Input structure for POST_MESSAGE hypercall
     81 */
     82struct hyperv_post_message_input {
     83    uint32_t connection_id;
     84    uint32_t _reserved;
     85    uint32_t message_type;
     86    uint32_t payload_size;
     87    uint8_t  payload[HV_MESSAGE_PAYLOAD_SIZE];
     88};
     89
     90/*
     91 * Input structure for SIGNAL_EVENT hypercall
     92 */
     93struct hyperv_signal_event_input {
     94    uint32_t connection_id;
     95    uint16_t flag_number;
     96    uint16_t _reserved_zero;
     97};
     98
     99/*
    100 * SynIC message structures
    101 */
    102struct hyperv_message_header {
    103    uint32_t message_type;
    104    uint8_t  payload_size;
    105    uint8_t  message_flags; /* HV_MESSAGE_FLAG_XX */
    106    uint8_t  _reserved[2];
    107    uint64_t sender;
    108};
    109
    110struct hyperv_message {
    111    struct hyperv_message_header header;
    112    uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
    113};
    114
    115struct hyperv_message_page {
    116    struct hyperv_message slot[HV_SINT_COUNT];
    117};
    118
    119/*
    120 * SynIC event flags structures
    121 */
    122struct hyperv_event_flags {
    123    DECLARE_BITMAP(flags, HV_EVENT_FLAGS_COUNT);
    124};
    125
    126struct hyperv_event_flags_page {
    127    struct hyperv_event_flags slot[HV_SINT_COUNT];
    128};
    129
    130#endif