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KVM: selftests: Add GUEST_SYNC[1-6] macros for synchronizing more data

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Add GUEST_SYNC[1-6]() so that tests can pass the maximum amount of
information supported via ucall(), without needing to resort to shared
memory.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20231027182217.3615211-31-seanjc@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2023-10-27 11:22:12 -07:00 committed by Paolo Bonzini
parent 672eaa3510
commit 242331dfc4
1 changed files with 11 additions and 0 deletions
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11
tools/testing/selftests/kvm/include/ucall_common.h
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@ -52,6 +52,17 @@ int ucall_nr_pages_required(uint64_t page_size);
#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_SYNC1(arg0) ucall(UCALL_SYNC, 1, arg0)
#define GUEST_SYNC2(arg0, arg1) ucall(UCALL_SYNC, 2, arg0, arg1)
#define GUEST_SYNC3(arg0, arg1, arg2) \
ucall(UCALL_SYNC, 3, arg0, arg1, arg2)
#define GUEST_SYNC4(arg0, arg1, arg2, arg3) \
ucall(UCALL_SYNC, 4, arg0, arg1, arg2, arg3)
#define GUEST_SYNC5(arg0, arg1, arg2, arg3, arg4) \
ucall(UCALL_SYNC, 5, arg0, arg1, arg2, arg3, arg4)
#define GUEST_SYNC6(arg0, arg1, arg2, arg3, arg4, arg5) \
ucall(UCALL_SYNC, 6, arg0, arg1, arg2, arg3, arg4, arg5)
#define GUEST_PRINTF(_fmt, _args...) ucall_fmt(UCALL_PRINTF, _fmt, ##_args)
#define GUEST_DONE() ucall(UCALL_DONE, 0)