/* 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 */