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/*
* Definitions for Hyper-V guest/hypervisor interaction
*
* Copyright (c) 2017-2018 Virtuozzo International GmbH.
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_HYPERV_HYPERV_PROTO_H
#define HW_HYPERV_HYPERV_PROTO_H
#include "qemu/bitmap.h"
/*
* Hypercall status code
*/
#define HV_STATUS_SUCCESS 0
#define HV_STATUS_INVALID_HYPERCALL_CODE 2
#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
#define HV_STATUS_INVALID_ALIGNMENT 4
#define HV_STATUS_INVALID_PARAMETER 5
#define HV_STATUS_INSUFFICIENT_MEMORY 11
#define HV_STATUS_INVALID_PORT_ID 17
#define HV_STATUS_INVALID_CONNECTION_ID 18
#define HV_STATUS_INSUFFICIENT_BUFFERS 19
#define HV_STATUS_NOT_ACKNOWLEDGED 20
#define HV_STATUS_NO_DATA 27
/*
* Hypercall numbers
*/
#define HV_POST_MESSAGE 0x005c
#define HV_SIGNAL_EVENT 0x005d
#define HV_POST_DEBUG_DATA 0x0069
#define HV_RETRIEVE_DEBUG_DATA 0x006a
#define HV_RESET_DEBUG_SESSION 0x006b
#define HV_HYPERCALL_FAST (1u << 16)
/*
* Message size
*/
#define HV_MESSAGE_PAYLOAD_SIZE 240
/*
* Message types
*/
#define HV_MESSAGE_NONE 0x00000000
#define HV_MESSAGE_VMBUS 0x00000001
#define HV_MESSAGE_UNMAPPED_GPA 0x80000000
#define HV_MESSAGE_GPA_INTERCEPT 0x80000001
#define HV_MESSAGE_TIMER_EXPIRED 0x80000010
#define HV_MESSAGE_INVALID_VP_REGISTER_VALUE 0x80000020
#define HV_MESSAGE_UNRECOVERABLE_EXCEPTION 0x80000021
#define HV_MESSAGE_UNSUPPORTED_FEATURE 0x80000022
#define HV_MESSAGE_EVENTLOG_BUFFERCOMPLETE 0x80000040
#define HV_MESSAGE_X64_IOPORT_INTERCEPT 0x80010000
#define HV_MESSAGE_X64_MSR_INTERCEPT 0x80010001
#define HV_MESSAGE_X64_CPUID_INTERCEPT 0x80010002
#define HV_MESSAGE_X64_EXCEPTION_INTERCEPT 0x80010003
#define HV_MESSAGE_X64_APIC_EOI 0x80010004
#define HV_MESSAGE_X64_LEGACY_FP_ERROR 0x80010005
/*
* Message flags
*/
#define HV_MESSAGE_FLAG_PENDING 0x1
/*
* Number of synthetic interrupts
*/
#define HV_SINT_COUNT 16
/*
* Event flags number per SINT
*/
#define HV_EVENT_FLAGS_COUNT (256 * 8)
/*
* Connection id valid bits
*/
#define HV_CONNECTION_ID_MASK 0x00ffffff
/*
* Input structure for POST_MESSAGE hypercall
*/
struct hyperv_post_message_input {
uint32_t connection_id;
uint32_t _reserved;
uint32_t message_type;
uint32_t payload_size;
uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
};
/*
* Input structure for SIGNAL_EVENT hypercall
*/
struct hyperv_signal_event_input {
uint32_t connection_id;
uint16_t flag_number;
uint16_t _reserved_zero;
};
/*
* SynIC message structures
*/
struct hyperv_message_header {
uint32_t message_type;
uint8_t payload_size;
uint8_t message_flags; /* HV_MESSAGE_FLAG_XX */
uint8_t _reserved[2];
uint64_t sender;
};
struct hyperv_message {
struct hyperv_message_header header;
uint8_t payload[HV_MESSAGE_PAYLOAD_SIZE];
};
struct hyperv_message_page {
struct hyperv_message slot[HV_SINT_COUNT];
};
/*
* SynIC event flags structures
*/
struct hyperv_event_flags {
DECLARE_BITMAP(flags, HV_EVENT_FLAGS_COUNT);
};
struct hyperv_event_flags_page {
struct hyperv_event_flags slot[HV_SINT_COUNT];
};
/*
* Kernel debugger structures
*/
/* Options flags for hyperv_reset_debug_session */
#define HV_DEBUG_PURGE_INCOMING_DATA 0x00000001
#define HV_DEBUG_PURGE_OUTGOING_DATA 0x00000002
struct hyperv_reset_debug_session_input {
uint32_t options;
} __attribute__ ((__packed__));
struct hyperv_reset_debug_session_output {
uint32_t host_ip;
uint32_t target_ip;
uint16_t host_port;
uint16_t target_port;
uint8_t host_mac[6];
uint8_t target_mac[6];
} __attribute__ ((__packed__));
/* Options for hyperv_post_debug_data */
#define HV_DEBUG_POST_LOOP 0x00000001
struct hyperv_post_debug_data_input {
uint32_t count;
uint32_t options;
/*uint8_t data[HV_HYP_PAGE_SIZE - 2 * sizeof(uint32_t)];*/
} __attribute__ ((__packed__));
struct hyperv_post_debug_data_output {
uint32_t pending_count;
} __attribute__ ((__packed__));
/* Options for hyperv_retrieve_debug_data */
#define HV_DEBUG_RETRIEVE_LOOP 0x00000001
#define HV_DEBUG_RETRIEVE_TEST_ACTIVITY 0x00000002
struct hyperv_retrieve_debug_data_input {
uint32_t count;
uint32_t options;
uint64_t timeout;
} __attribute__ ((__packed__));
struct hyperv_retrieve_debug_data_output {
uint32_t retrieved_count;
uint32_t remaining_count;
} __attribute__ ((__packed__));
#endif
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