[Intel-gfx] [PATCH i-g-t 2/3] lib: Add reset-type helper in ioctl_wrappers

Michel Thierry michel.thierry at intel.com
Tue Jun 20 18:25:01 UTC 2017


Soon we will have tests that are only for platforms with reset-engine
(GEN8+), so add a helper to query the has_gpu_reset via the getparam ioctl.

Signed-off-by: Michel Thierry <michel.thierry at intel.com>
---
 lib/ioctl_wrappers.c | 22 ++++++++++++++++++++++
 lib/ioctl_wrappers.h |  1 +
 2 files changed, 23 insertions(+)

diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
index 0816a7b6..958b7d03 100644
--- a/lib/ioctl_wrappers.c
+++ b/lib/ioctl_wrappers.c
@@ -1199,6 +1199,28 @@ bool gem_uses_full_ppgtt(int fd)
 }
 
 /**
+ * gem_gpu_reset_type:
+ * @fd: open i915 drm file descriptor
+ *
+ * Query whether reset-engine (2), global-reset (1) or reset-disable (0)
+ * is available.
+ *
+ * Returns: GPU reset type available
+ */
+int gem_gpu_reset_type(int fd)
+{
+	struct drm_i915_getparam gp;
+	int gpu_reset_type = -1;
+
+	memset(&gp, 0, sizeof(gp));
+	gp.param = I915_PARAM_HAS_GPU_RESET;
+	gp.value = &gpu_reset_type;
+	drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+
+	return gpu_reset_type;
+}
+
+/**
  * gem_available_fences:
  * @fd: open i915 drm file descriptor
  *
diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index e1279d94..0fd4e8e4 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -164,6 +164,7 @@ bool gem_has_blt(int fd);
 bool gem_has_vebox(int fd);
 bool gem_has_bsd2(int fd);
 int gem_gtt_type(int fd);
+int gem_gpu_reset_type(int fd);
 bool gem_uses_ppgtt(int fd);
 bool gem_uses_full_ppgtt(int fd);
 int gem_available_fences(int fd);
-- 
2.11.0



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