kvm: selftest: include the tools headers

Let the kvm selftest include the tools headers, then we can start to use
things there like bitmap operations.
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/Makefile

@@ -17,7 +17,8 @@ LIBKVM += $(LIBKVM_$(UNAME_M))
 
 INSTALL_HDR_PATH = $(top_srcdir)/usr
 LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
-CFLAGS += -O2 -g -std=gnu99 -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -I..
+LINUX_TOOL_INCLUDE = $(top_srcdir)tools/include
+CFLAGS += -O2 -g -std=gnu99 -I$(LINUX_TOOL_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude -I$(<D) -I..
 
 # After inclusion, $(OUTPUT) is defined and
 # $(TEST_GEN_PROGS) starts with $(OUTPUT)/

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

@@ -28,8 +28,6 @@ int test_seq_read(const char *path, char **bufp, size_t *sizep);
 void test_assert(bool exp, const char *exp_str,
 		 const char *file, unsigned int line, const char *fmt, ...);
 
-#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
-
 #define TEST_ASSERT(e, fmt, ...) \
 	test_assert((e), #e, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
 

tools/testing/selftests/kvm/lib/kvm_util.c

@@ -14,6 +14,7 @@
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <linux/kernel.h>
 
 #define KVM_DEV_PATH "/dev/kvm"