| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * tools/testing/selftests/kvm/include/kvm_util.h |
| * |
| * Copyright (C) 2018, Google LLC. |
| */ |
| #ifndef SELFTEST_KVM_UCALL_COMMON_H |
| #define SELFTEST_KVM_UCALL_COMMON_H |
| |
| /* Common ucalls */ |
| enum { |
| UCALL_NONE, |
| UCALL_SYNC, |
| UCALL_ABORT, |
| UCALL_DONE, |
| UCALL_UNHANDLED, |
| }; |
| |
| #define UCALL_MAX_ARGS 6 |
| |
| struct ucall { |
| uint64_t cmd; |
| uint64_t args[UCALL_MAX_ARGS]; |
| }; |
| |
| void ucall_init(struct kvm_vm *vm, void *arg); |
| void ucall_uninit(struct kvm_vm *vm); |
| void ucall(uint64_t cmd, int nargs, ...); |
| uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc); |
| |
| #define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \ |
| ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4) |
| #define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage) |
| #define GUEST_DONE() ucall(UCALL_DONE, 0) |
| #define __GUEST_ASSERT(_condition, _condstr, _nargs, _args...) do { \ |
| if (!(_condition)) \ |
| ucall(UCALL_ABORT, 2 + _nargs, \ |
| "Failed guest assert: " \ |
| _condstr, __LINE__, _args); \ |
| } while (0) |
| |
| #define GUEST_ASSERT(_condition) \ |
| __GUEST_ASSERT(_condition, #_condition, 0, 0) |
| |
| #define GUEST_ASSERT_1(_condition, arg1) \ |
| __GUEST_ASSERT(_condition, #_condition, 1, (arg1)) |
| |
| #define GUEST_ASSERT_2(_condition, arg1, arg2) \ |
| __GUEST_ASSERT(_condition, #_condition, 2, (arg1), (arg2)) |
| |
| #define GUEST_ASSERT_3(_condition, arg1, arg2, arg3) \ |
| __GUEST_ASSERT(_condition, #_condition, 3, (arg1), (arg2), (arg3)) |
| |
| #define GUEST_ASSERT_4(_condition, arg1, arg2, arg3, arg4) \ |
| __GUEST_ASSERT(_condition, #_condition, 4, (arg1), (arg2), (arg3), (arg4)) |
| |
| #define GUEST_ASSERT_EQ(a, b) __GUEST_ASSERT((a) == (b), #a " == " #b, 2, a, b) |
| |
| #endif /* SELFTEST_KVM_UCALL_COMMON_H */ |