[igt-dev] [RFC PATCH v8 4/5] lib: ioctl_wrappers: reach engines by index as well

[Andi Shyti via igt-dev <igt-dev@lists.freedesktop.org>]

With the new engine query method engines are reachable through
an index and context they are combined with.

The 'gem_has_ring()' becomes 'gem_has_ring_by_idx()' that
requires the index that the engine is mapped with in the driver.

The previous function becomes a wrapper to the new
'gem_has_ring_by_idx()'.

Signed-off-by: Andi Shyti <andi.shyti@intel.com>
---
 lib/ioctl_wrappers.c | 10 ++++++----
 lib/ioctl_wrappers.h |  4 +++-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index 404c2fbf9355..2dd860dbd9d6 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -1465,14 +1465,14 @@ void igt_require_gem(int fd)
 	igt_require_f(err == 0, "Unresponsive i915/GEM device\n");
 }
 
-bool gem_has_ring(int fd, unsigned ring)
+bool gem_has_ring_by_idx(int fd, unsigned idx, unsigned rsvd1)
 {
 	struct drm_i915_gem_execbuffer2 execbuf;
 	struct drm_i915_gem_exec_object2 exec;
 
 	/* silly ABI, the kernel thinks everyone who has BSD also has BSD2 */
-	if ((ring & ~(3<<13)) == I915_EXEC_BSD) {
-		if (ring & (3 << 13) && !gem_has_bsd2(fd))
+	if ((idx & ~(3<<13)) == I915_EXEC_BSD) {
+		if (idx & (3 << 13) && !gem_has_bsd2(fd))
 			return false;
 	}
 
@@ -1480,7 +1480,9 @@ bool gem_has_ring(int fd, unsigned ring)
 	memset(&execbuf, 0, sizeof(execbuf));
 	execbuf.buffers_ptr = to_user_pointer(&exec);
 	execbuf.buffer_count = 1;
-	execbuf.flags = ring;
+	execbuf.flags = idx;
+	execbuf.rsvd1 = rsvd1;
+
 	return __gem_execbuf(fd, &execbuf) == -ENOENT;
 }
 
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index b22b36b0b2dd..edf8337faef9 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -164,11 +164,13 @@ bool gem_has_exec_fence(int fd);
 
 /* check functions which auto-skip tests by calling igt_skip() */
 void gem_require_caching(int fd);
-bool gem_has_ring(int fd, unsigned ring);
+bool gem_has_ring_by_idx(int fd, unsigned idx, unsigned rsvd1);
 void gem_require_ring(int fd, unsigned ring);
 bool gem_has_mocs_registers(int fd);
 void gem_require_mocs_registers(int fd);
 
+#define gem_has_ring(fd, ring) gem_has_ring_by_idx(fd, ring, 0)
+
 /* prime */
 struct local_dma_buf_sync {
 	uint64_t flags;
-- 
2.20.1

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