diff options
Diffstat (limited to 'include/uapi/drm/v3d_drm.h')
-rw-r--r-- | include/uapi/drm/v3d_drm.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/uapi/drm/v3d_drm.h b/include/uapi/drm/v3d_drm.h index 4104f22fb3d3..3dfc0af8756a 100644 --- a/include/uapi/drm/v3d_drm.h +++ b/include/uapi/drm/v3d_drm.h @@ -58,6 +58,67 @@ extern "C" { struct drm_v3d_perfmon_get_values) #define DRM_V3D_SUBMIT_CL_FLUSH_CACHE 0x01 +#define DRM_V3D_SUBMIT_EXTENSION 0x02 + +/* struct drm_v3d_extension - ioctl extensions + * + * Linked-list of generic extensions where the id identify which struct is + * pointed by ext_data. Therefore, DRM_V3D_EXT_ID_* is used on id to identify + * the extension type. + */ +struct drm_v3d_extension { + __u64 next; + __u32 id; +#define DRM_V3D_EXT_ID_MULTI_SYNC 0x01 + __u32 flags; /* mbz */ +}; + +/* struct drm_v3d_sem - wait/signal semaphore + * + * If binary semaphore, it only takes syncobj handle and ignores flags and + * point fields. Point is defined for timeline syncobj feature. + */ +struct drm_v3d_sem { + __u32 handle; /* syncobj */ + /* rsv below, for future uses */ + __u32 flags; + __u64 point; /* for timeline sem support */ + __u64 mbz[2]; /* must be zero, rsv */ +}; + +/* Enum for each of the V3D queues. */ +enum v3d_queue { + V3D_BIN, + V3D_RENDER, + V3D_TFU, + V3D_CSD, + V3D_CACHE_CLEAN, +}; + +/** + * struct drm_v3d_multi_sync - ioctl extension to add support multiples + * syncobjs for commands submission. + * + * When an extension of DRM_V3D_EXT_ID_MULTI_SYNC id is defined, it points to + * this extension to define wait and signal dependencies, instead of single + * in/out sync entries on submitting commands. The field flags is used to + * determine the stage to set wait dependencies. + */ +struct drm_v3d_multi_sync { + struct drm_v3d_extension base; + /* Array of wait and signal semaphores */ + __u64 in_syncs; + __u64 out_syncs; + + /* Number of entries */ + __u32 in_sync_count; + __u32 out_sync_count; + + /* set the stage (v3d_queue) to sync */ + __u32 wait_stage; + + __u32 pad; /* mbz */ +}; /** * struct drm_v3d_submit_cl - ioctl argument for submitting commands to the 3D @@ -135,12 +196,16 @@ struct drm_v3d_submit_cl { /* Number of BO handles passed in (size is that times 4). */ __u32 bo_handle_count; + /* DRM_V3D_SUBMIT_* properties */ __u32 flags; /* ID of the perfmon to attach to this job. 0 means no perfmon. */ __u32 perfmon_id; __u32 pad; + + /* Pointer to an array of ioctl extensions*/ + __u64 extensions; }; /** @@ -210,6 +275,7 @@ enum drm_v3d_param { DRM_V3D_PARAM_SUPPORTS_CSD, DRM_V3D_PARAM_SUPPORTS_CACHE_FLUSH, DRM_V3D_PARAM_SUPPORTS_PERFMON, + DRM_V3D_PARAM_SUPPORTS_MULTISYNC_EXT, }; struct drm_v3d_get_param { @@ -248,6 +314,11 @@ struct drm_v3d_submit_tfu { __u32 in_sync; /* Sync object to signal when the TFU job is done. */ __u32 out_sync; + + __u32 flags; + + /* Pointer to an array of ioctl extensions*/ + __u64 extensions; }; /* Submits a compute shader for dispatch. This job will block on any @@ -276,6 +347,13 @@ struct drm_v3d_submit_csd { /* ID of the perfmon to attach to this job. 0 means no perfmon. */ __u32 perfmon_id; + + /* Pointer to an array of ioctl extensions*/ + __u64 extensions; + + __u32 flags; + + __u32 pad; }; enum { |