[Intel-xe] [PATCH v3 06/16] drm/xe/uapi: Align on a common way to return arrays (gt)

[Francois Dugast]

The uAPI provides queries which return arrays of elements. As of now
the format used in the struct is different depending on which element
is queried. However, aligning on the new common pattern:

    struct drm_xe_query_Xs {
       __u32 num_Xs;
       struct drm_xe_X Xs[];
       ...
    }

... would mean bringing back the name "gts" which is avoided per
commit ("drm/xe/uapi: Rename gts to gt_list") so make an exception
for gt and leave gt_list. Also, this change removes "query" in the
name of struct drm_xe_query_gt as it is not returned from the query
IOCTL. There is no functional change.

v2: Leave gt_list (Matt Roper)

Signed-off-by: Francois Dugast <francois.dugast at intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/xe/xe_query.c | 2 +-
 include/uapi/drm/xe_drm.h     | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_query.c b/drivers/gpu/drm/xe/xe_query.c
index 34474f8b97f6..a0e3b0c163f9 100644
--- a/drivers/gpu/drm/xe/xe_query.c
+++ b/drivers/gpu/drm/xe/xe_query.c
@@ -354,7 +354,7 @@ static int query_gt_list(struct xe_device *xe, struct drm_xe_device_query *query
 {
 	struct xe_gt *gt;
 	size_t size = sizeof(struct drm_xe_query_gt_list) +
-		xe->info.gt_count * sizeof(struct drm_xe_query_gt);
+		xe->info.gt_count * sizeof(struct drm_xe_gt);
 	struct drm_xe_query_gt_list __user *query_ptr =
 		u64_to_user_ptr(query->data);
 	struct drm_xe_query_gt_list *gt_list;
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index c53ec7118a93..37b23708f992 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -356,14 +356,14 @@ struct drm_xe_query_config {
 };
 
 /**
- * struct drm_xe_query_gt - describe an individual GT.
+ * struct drm_xe_gt - describe an individual GT.
  *
  * To be used with drm_xe_query_gt_list, which will return a list with all the
  * existing GT individual descriptions.
  * Graphics Technology (GT) is a subset of a GPU/tile that is responsible for
  * implementing graphics and/or media operations.
  */
-struct drm_xe_query_gt {
+struct drm_xe_gt {
 #define DRM_XE_QUERY_GT_TYPE_MAIN		0
 #define DRM_XE_QUERY_GT_TYPE_MEDIA		1
 	/** @type: GT type: Main or Media */
@@ -403,7 +403,7 @@ struct drm_xe_query_gt_list {
 	/** @pad: MBZ */
 	__u32 pad;
 	/** @gt_list: The GT list returned for this device */
-	struct drm_xe_query_gt gt_list[];
+	struct drm_xe_gt gt_list[];
 };
 
 /**
-- 
2.34.1