Commit 242331df authored by Sean Christopherson's avatar Sean Christopherson Committed by Paolo Bonzini
Browse files

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



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: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20231027182217.3615211-31-seanjc@google.com>
Reviewed-by: default avatarFuad Tabba <tabba@google.com>
Tested-by: default avatarFuad Tabba <tabba@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 672eaa35

tools/testing/selftests/kvm/include/ucall_common.h

+11 −0
Original line number Diff line number Diff line
@@ -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)