[Intel-xe] [PATCH v3 25/30] drm/xe/uapi: Document DRM_XE_DEVICE_QUERY_HWCONFIG

[Francois Dugast]

Add a documentation on the content and format of when using query type
DRM_XE_DEVICE_QUERY_HWCONFIG. The list of keys can be found in IGT
under lib/intel_hwconfig_types.h.

Signed-off-by: Francois Dugast <francois.dugast at intel.com>
---
 include/uapi/drm/xe_drm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index cce36277ef68..79e47708d526 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -546,6 +546,11 @@ struct drm_xe_device_query {
 #define DRM_XE_DEVICE_QUERY_MEM_USAGE		1
 #define DRM_XE_DEVICE_QUERY_CONFIG		2
 #define DRM_XE_DEVICE_QUERY_GT_LIST		3
+	/*
+	 * Query type to retrieve the hardware configuration of the device
+	 * such as information on slices, memory, caches, and so on. It is
+	 * provided as a table of attributes (key / value).
+	 */
 #define DRM_XE_DEVICE_QUERY_HWCONFIG		4
 #define DRM_XE_DEVICE_QUERY_GT_TOPOLOGY		5
 #define DRM_XE_QUERY_CS_CYCLES			6
-- 
2.34.1