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