igt: Replace 'all-engines' magic numbers with macro
In interfaces where a parameter allow to select an engine, we usually
use '-1' or '~0u' to select all engines. This patch replaces magic
numbers with a named constant.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Antonio Argenziano <antonio.argenziano@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/lib/igt_gt.h b/lib/igt_gt.h
index 4d9d1aa..a517ed7 100644
--- a/lib/igt_gt.h
+++ b/lib/igt_gt.h
@@ -66,6 +66,8 @@
unsigned intel_detect_and_clear_missed_interrupts(int fd);
+#define ALL_ENGINES ~0u /* Use in interfaces to iterate all engines */
+
extern const struct intel_execution_engine {
const char *name;
const char *full_name;