diff options
| author | Francois Dugast <francois.dugast@intel.com> | 2023-12-15 15:45:43 +0000 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2023-12-21 11:47:00 -0500 |
| commit | af8ea4162b4cb6e83bfabaef3db3bf89d2a07cbc (patch) | |
| tree | 7447d2e60c0d100357a262dfd6f76ba09afe3d3d /include/uapi/drm | |
| parent | ff6c6bc55258e7d0aabcfc41baa392fcedb450a2 (diff) | |
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: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Mateusz Naklicki <mateusz.naklicki@intel.com>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/uapi/drm')
| -rw-r--r-- | include/uapi/drm/xe_drm.h | 20 |
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[]; |