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lib: Magic for_each_engine() macro to iterate over available engines

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-03-04 10:19:38 +00:00
parent 60eafc5489
commit 697c3f5550
2 changed files with 13 additions and 4 deletions
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9
lib/igt_gt.h
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@ -100,4 +100,13 @@ extern const struct intel_execution_engine {
unsigned flags; unsigned flags;
} intel_execution_engines[]; } intel_execution_engines[];
#define for_if(expr__) if (!(expr__)) {} else
#define for_each_engine(fd__, flags__) \
for (const struct intel_execution_engine *e__ = intel_execution_engines;\
e__->name; \
e__++) \
for_if (gem_has_ring(fd, flags__ = e__->exec_id | e__->flags))
#endif /* IGT_GT_H */ #endif /* IGT_GT_H */

8
tests/gem_exec_suspend.c
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@ -53,10 +53,10 @@ static void check_bo(int fd, uint32_t handle)
static void test_all(int fd) static void test_all(int fd)
{ {
const struct intel_execution_engine *e; unsigned engine;
for (e = intel_execution_engines; e->name; e++)
if (gem_has_ring(fd, e->exec_id | e->flags)) for_each_engine(fd, engine)
run_test(fd, e->exec_id | e->flags, NOSLEEP); run_test(fd, engine, NOSLEEP);
} }
static void run_test(int fd, unsigned ring, enum mode mode) static void run_test(int fd, unsigned ring, enum mode mode)