diff options
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 65 |
1 files changed, 43 insertions, 22 deletions
diff --git a/include/uapi/drm/xe_drm.h b/include/uapi/drm/xe_drm.h index 4dc103aa00f1..53b7b2ddf304 100644 --- a/include/uapi/drm/xe_drm.h +++ b/include/uapi/drm/xe_drm.h @@ -335,6 +335,47 @@ struct drm_xe_query_config { }; /** + * struct drm_xe_query_gt - describe an individual GT. + * + * To be used with drm_xe_query_gts, 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 { +#define XE_QUERY_GT_TYPE_MAIN 0 +#define XE_QUERY_GT_TYPE_REMOTE 1 +#define XE_QUERY_GT_TYPE_MEDIA 2 + /** @type: GT type: Main, Remote, or Media */ + __u16 type; + /** @instance: Instance of this GT in the GT list */ + __u16 instance; + /** @clock_freq: A clock frequency for timestamp */ + __u32 clock_freq; + /** @features: Reserved for future information about GT features */ + __u64 features; + /** + * @native_mem_regions: Bit mask of instances from + * drm_xe_query_mem_usage that lives on the same GPU/Tile and have + * direct access. + */ + __u64 native_mem_regions; + /** + * @slow_mem_regions: Bit mask of instances from + * drm_xe_query_mem_usage that this GT can indirectly access, although + * they live on a different GPU/Tile. + */ + __u64 slow_mem_regions; + /** + * @inaccessible_mem_regions: Bit mask of instances from + * drm_xe_query_mem_usage that is not accessible by this GT at all. + */ + __u64 inaccessible_mem_regions; + /** @reserved: Reserved */ + __u64 reserved[8]; +}; + +/** * struct drm_xe_query_gts - describe GTs * * If a query is made with a struct drm_xe_device_query where .query @@ -344,30 +385,10 @@ struct drm_xe_query_config { struct drm_xe_query_gts { /** @num_gt: number of GTs returned in gts */ __u32 num_gt; - /** @pad: MBZ */ __u32 pad; - - /** - * @gts: The GTs returned for this device - * - * TODO: convert drm_xe_query_gt to proper kernel-doc. - * TODO: Perhaps info about every mem region relative to this GT? e.g. - * bandwidth between this GT and remote region? - */ - struct drm_xe_query_gt { -#define XE_QUERY_GT_TYPE_MAIN 0 -#define XE_QUERY_GT_TYPE_REMOTE 1 -#define XE_QUERY_GT_TYPE_MEDIA 2 - __u16 type; - __u16 instance; - __u32 clock_freq; - __u64 features; - __u64 native_mem_regions; /* bit mask of instances from drm_xe_query_mem_usage */ - __u64 slow_mem_regions; /* bit mask of instances from drm_xe_query_mem_usage */ - __u64 inaccessible_mem_regions; /* bit mask of instances from drm_xe_query_mem_usage */ - __u64 reserved[8]; - } gts[]; + /** @gts: The GT list returned for this device */ + struct drm_xe_query_gt gts[]; }; /** |