Commit af8ea416 authored by Francois Dugast's avatar Francois Dugast Committed by Rodrigo Vivi
Browse files

drm/xe/uapi: Document drm_xe_query_config keys 

Provide a description of the keys used the struct
drm_xe_query_config info array.

Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/637


Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Acked-by: default avatarMateusz Naklicki <mateusz.naklicki@intel.com>
Signed-off-by: default avatarFrancois Dugast <francois.dugast@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent ff6c6bc5

include/uapi/drm/xe_drm.h

+20 −0
Original line number Diff line number Diff line
@@ -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[];