1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#pragma once
#include <linux/ioctl.h>
#include <linux/types.h>
#define KVM_TRACK_PAGE _IOWR(KVMIO, 0x20, track_page_param_t)
#define KVM_USPT_REGISTER_PID _IOWR(KVMIO, 0x21, userspace_ctx_t)
#define KVM_USPT_WAIT_AND_SEND _IO(KVMIO, 0x22)
#define KVM_USPT_POLL_EVENT _IOWR(KVMIO, 0x23, page_fault_event_t)
#define KVM_USPT_ACK_EVENT _IOWR(KVMIO, 0x24, ack_event_t)
#define KVM_READ_GUEST_MEMORY _IOWR(KVMIO, 0x25, read_guest_memory_t)
#define KVM_USPT_RESET _IO(KVMIO, 0x26)
#define KVM_USPT_TRACK_ALL _IOWR(KVMIO, 0x27, track_all_pages_t)
#define KVM_USPT_UNTRACK_ALL _IOWR(KVMIO, 0x28, track_all_pages_t)
#define KVM_USPT_SETUP_RETINSTR_PERF _IOWR(KVMIO, 0x30, retired_instr_perf_config_t)
#define KVM_USPT_READ_RETINSTR_PERF _IOWR(KVMIO, 0x31, retired_instr_perf_t)
#define KVM_USPT_BATCH_TRACK_START _IOWR(KVMIO, 0x32, batch_track_config_t)
#define KVM_USPT_BATCH_TRACK_STOP _IOWR(KVMIO, 0x33, batch_track_stop_and_get_t)
#define KVM_USPT_BATCH_TRACK_EVENT_COUNT _IOWR(KVMIO, 0x34, batch_track_event_count_t)
#define KVM_USPT_POLL_EVENT_NO_EVENT 1000
#define KVM_USPT_POLL_EVENT_GOT_EVENT 0
enum kvm_page_track_mode {
KVM_PAGE_TRACK_WRITE,
KVM_PAGE_TRACK_ACCESS,
KVM_PAGE_TRACK_RESET_ACCESSED,
KVM_PAGE_TRACK_EXEC,
KVM_PAGE_TRACK_RESET_EXEC,
KVM_PAGE_TRACK_MAX,
};
typedef struct {
__u64 id; // filled automatically
__u64 faulted_gpa;
__u32 error_code;
__u8 have_rip_info;
__u64 rip;
__u64 ns_timestamp;
__u8 have_retired_instructions;
__u64 retired_instructions;
} page_fault_event_t;
typedef struct {
__s32 tracking_type;
__u64 expected_events;
__s32 perf_cpu;
__u8 retrack;
} batch_track_config_t;
typedef struct {
__u64 event_count;
} batch_track_event_count_t;
typedef struct {
page_fault_event_t* out_buf;
__u64 len;
__u8 error_during_batch;
} batch_track_stop_and_get_t;
typedef struct {
__s32 cpu; // cpu on which we want to read the counter
__u64 retired_instruction_count; // result param
} retired_instr_perf_t;
typedef struct {
__s32 cpu; // cpu on which counter should be programmed
} retired_instr_perf_config_t;
typedef struct {
__u64 gpa;
__u64 len;
__u8 decrypt_with_host_key;
__s32 wbinvd_cpu; // -1: do not flush; else logical cpu on which we flush
__u64 output_buffer;
} read_guest_memory_t;
typedef struct {
__s32 pid;
__u8 get_rip;
} userspace_ctx_t;
typedef struct {
__u64 id;
} ack_event_t;
typedef struct {
__u64 gpa;
__s32 track_mode;
} track_page_param_t;
typedef struct {
__s32 track_mode;
} track_all_pages_t;
|
