1// Copyright 2018 The Fuchsia Authors
2//
3// Use of this source code is governed by a MIT-style
4// license that can be found in the LICENSE file or at
5// https://opensource.org/licenses/MIT
6
7#include <hypervisor/ktrace.h>
8#include <kernel/thread.h>
9#include <lib/ktrace.h>
10
11static const char* const vcpu_meta[] = {
12        [VCPU_INTERRUPT] = "wait:interrupt",
13        [VCPU_PORT] = "wait:port",
14};
15static_assert((sizeof(vcpu_meta) / sizeof(vcpu_meta[0])) == VCPU_META_COUNT,
16              "vcpu_meta array must match enum VcpuMeta");
17
18static const char* const vcpu_exit[] = {
19#if ARCH_ARM64
20        [VCPU_UNDERFLOW_MAINTENANCE_INTERRUPT] = "exit:underflow_maintenance_interrupt",
21        [VCPU_PHYSICAL_INTERRUPT] = "exit:physical_interrupt",
22        [VCPU_WFI_INSTRUCTION] = "exit:wfi_instruction",
23        [VCPU_WFE_INSTRUCTION] = "exit:wfe_instruction",
24        [VCPU_SMC_INSTRUCTION] = "exit:smc_instruction",
25        [VCPU_SYSTEM_INSTRUCTION] = "exit:system_instruction",
26        [VCPU_INSTRUCTION_ABORT] = "exit:instruction_abort",
27        [VCPU_DATA_ABORT] = "exit:data_abort",
28#elif ARCH_X86
29        [VCPU_EXTERNAL_INTERRUPT] = "exit:external_interrupt",
30        [VCPU_INTERRUPT_WINDOW] = "exit:interrupt_window",
31        [VCPU_CPUID] = "exit:cpuid",
32        [VCPU_HLT] = "exit:hlt",
33        [VCPU_CONTROL_REGISTER_ACCESS] = "exit:control_register_access",
34        [VCPU_IO_INSTRUCTION] = "exit:io_instruction",
35        [VCPU_RDMSR] = "exit:rdmsr",
36        [VCPU_WRMSR] = "exit:wrmsr",
37        [VCPU_VM_ENTRY_FAILURE] = "exit:vm_entry_failure",
38        [VCPU_EPT_VIOLATION] = "exit:ept_violation",
39        [VCPU_XSETBV] = "exit:xsetbv",
40        [VCPU_PAUSE] = "exit:pause",
41        [VCPU_VMCALL] = "exit:vmcall",
42#endif
43        [VCPU_UNKNOWN] = "exit:unknown",
44        [VCPU_FAILURE] = "exit:failure",
45};
46static_assert((sizeof(vcpu_exit) / sizeof(vcpu_exit[0])) == VCPU_EXIT_COUNT,
47              "vcpu_exit array must match enum VcpuExit");
48
49void ktrace_report_vcpu_meta() {
50    for (uint32_t i = 0; i != VCPU_META_COUNT; i++) {
51        ktrace_name_etc(TAG_VCPU_META, i, 0, vcpu_meta[i], true);
52    }
53    for (uint32_t i = 0; i != VCPU_EXIT_COUNT; i++) {
54        ktrace_name_etc(TAG_VCPU_EXIT_META, i, 0, vcpu_exit[i], true);
55    }
56}
57
58void ktrace_vcpu(uint32_t tag, VcpuMeta meta) {
59    ktrace(tag, meta, 0, 0, 0);
60}
61
62void ktrace_vcpu_exit(VcpuExit exit, uint64_t exit_address) {
63    ktrace(TAG_VCPU_EXIT, exit, static_cast<uint32_t>(exit_address),
64           static_cast<uint32_t>(exit_address >> 32), 0);
65}