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Diffstat (limited to 'include/uapi/drm/xe_drm.h')
-rw-r--r--include/uapi/drm/xe_drm.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h
index d759e04e00ee..9c43bc258f10 100644
--- a/include/uapi/drm/xe_drm.h
+++ b/include/uapi/drm/xe_drm.h
@@ -350,11 +350,31 @@ struct drm_xe_query_config {
/** @pad: MBZ */
__u32 pad;
+ /*
+ * Device ID (lower 16 bits) and the device revision (next
+ * 8 bits)
+ */
#define DRM_XE_QUERY_CONFIG_REV_AND_DEVICE_ID 0
+ /*
+ * Flags describing the device configuration, see list below
+ */
#define DRM_XE_QUERY_CONFIG_FLAGS 1
+ /*
+ * Flag is set if the device has usable VRAM
+ */
#define DRM_XE_QUERY_CONFIG_FLAG_HAS_VRAM (1 << 0)
+ /*
+ * Minimal memory alignment required by this device,
+ * typically SZ_4K or SZ_64K
+ */
#define DRM_XE_QUERY_CONFIG_MIN_ALIGNMENT 2
+ /*
+ * Maximum bits of a virtual address
+ */
#define DRM_XE_QUERY_CONFIG_VA_BITS 3
+ /*
+ * Value of the highest available exec queue priority
+ */
#define DRM_XE_QUERY_CONFIG_MAX_EXEC_QUEUE_PRIORITY 4
/** @info: array of elements containing the config info */
__u64 info[];